KR100559461B1 - Shaft Noise and Vibration Lock for Automobile Recliner - Google Patents

Abstract

The present invention is a shaft noise and vibration prevention device for a vehicle recliner to completely eliminate the noise and vibration generated when the shaft and the connecting pipe is engaged, as well as the connection between the end of the connecting pipe and the inner end of the coupling teeth. As for

A plate holder 51 fixed to the inner end of the cushion frame of the seat;

An upper tooth bracket 52 fixed to the lower end of the seat back frame;

An operator 57 inserted into the space between the plate holder 51 and the upper bracket 52 consists of a lock gear 54, a cam lever 55, and a cam plate 56 that substantially determines reclining. )Wow;

An operating lever 58, a lever spring 59, and a return spring 60 provided outside the plate holder 51;

The plate holder 51 and the upper bracket 52 are coupled to the shaft hole 61 formed at the center to maintain the recliner 50 and to be connected to the opposite recliner and the connector 63 to operate together. A reclining apparatus 50 comprising a shaft 62 provided so as to be provided;

It is provided with a preventive device 70 that can provide ease of assembly while allowing the noise between the shaft 62 and the connecting pipe 63 to be excluded;

The preventive device 70 is a tube insertion hole 71 formed in the inner surface to be inserted into both ends of the connecting tube (63);

A preventive body (75) comprising a coupling tooth hole (73) formed in the outer surface (72) so that the coupling teeth (64) formed on the shaft (62) can be coupled;

The diameter (H1, H2) of the tube insertion hole 71 and the coupling tooth hole 73 has a size smaller than the outer diameter (H3, H4) of the connecting pipe 63 and the coupling teeth (64). It is done.

Car, recliner, shaft, noise, vibration

Description

Noise and vibration prevention tool for recliner shaft for vehicle}

1 is an exploded perspective view of a vehicle reclining apparatus for illustrating the present invention.

Figure 2 is a perspective view showing a shaft noise and vibration prevention device for a vehicle recliner to which the technique of the present invention is applied.

Figure 3 is a longitudinal cross-sectional view of the shaft noise and vibration prevention for automotive recliner to which the technique of the present invention is applied.

Figure 4 is a cross-sectional view of the shaft noise and vibration damper for automotive recliner to which the technique of the present invention is applied.

Figure 5 is a state of use of the shaft noise and vibration prevention device for automobile recliner to which the technique of the present invention is applied.

Figure 6 is a cross-sectional view showing a state of use of the shaft prevention tool for automobile recliner to which the prior art is applied.

* Description of the symbols used in the main parts of the drawings *

50; Reclining Device

62; shaft

63; Connector

64,65; Combined value

70; Protection

71; Tube insertion hole

73; Combined tooth hole

75; Preventive Body

76; spin

77; Entrance

78; Diameter

The present invention relates to a shaft noise and vibration prevention device for a vehicle recliner, and more particularly, to a noise and vibration room for eliminating the occurrence of noise and vibration between the connecting body and the shaft connected to interlock with an opposite recliner. It is about the provision of the earth.

The automotive recliner is to allow the backrest of the seat to be configured to fit the driver and the passenger's body to be angled forward and rearward to maintain the optimum driving and riding posture.

Looking at the conventional reclining apparatus as described above with reference to FIG.

The reclining apparatus 50 is provided with a plate holder 51 fixed to the inner end of the cushion frame of the seat and the upper bracket 52 fixed to the lower end of the seat back frame.

An operator 57 composed of a lock gear 54, a cam lever 55, a cam plate 56, etc., which substantially determines reclining in the space portion between the plate holder 51 and the upper bracket 52. Is inserted.

The outer side of the plate holder 51 is the operating lever 58, the lever spring 59 and the return spring 60 is a configuration that is located.

The plate holder 51 and the upper bracket bracket 52 are coupled to the shaft hole 61 formed at the center thereof, and the shaft 62 is coupled to maintain the entire recliner 50, and the recliner and the connecting body 63 on the opposite side. ) To work together.

The outer surface of the shaft 62 and the connecting tube 63 is a configuration in which the coupling teeth 64 of the form that is engaged with each other so as to easily transfer the power of the shaft 62 is formed, the connection with the shaft 62 In the state in which the tubular body 63 is coupled, the noise generated while colliding with the metal material by the play such as the dimension error is generated significantly.

In order to solve this noise generation problem, as shown in FIG. 6,

A ring groove 5 recessed in an annular shape is formed in the diameter reduction portion 4 formed so as to facilitate engagement with the connecting pipe 3 at the outer end of the shaft 2 on which the coupling teeth 1 are formed. .

The ring groove 5 is coupled to the annular ring (6) made of a material having elasticity, such as rubber or urethane, the outer diameter (D) of the annular ring (6) is a coupling tooth (7) formed in the connecting pipe (3) It is formed to be slightly larger than the inner diameter (D1) of) to prevent fluidity due to interference coupling, so that noise generated by the flow during operation or driving of the vehicle is excluded.

In the prior art as described above, when the annular ring is coupled to the shaft in the state in which the annular ring is coupled, the annular ring is released in the process of being forcibly coupled, thereby causing noise.

In addition, the outer end of the shaft must be subjected to a separate precise machining process in order to couple the annular ring, which causes a decrease in productivity due to the addition of ancillary processes, and the size of the ring groove is very small (diameter about). Less than 1 mm), considerable difficulty in processing.

In addition, the occurrence of noise between the inside of the connector and the outer end of the shaft by the annular ring can be excluded, but the noise generated by the connection between the end of the connector and the inner portion of the coupling value can not be prevented. There were problems.

Therefore, in the present invention, as invented to solve the above problems, it is possible to completely exclude the noise and vibration generated when the shaft and the connection of the connecting body as well as the connection of the inner end of the coupling end and the coupling teeth of the connecting body. It provides noise and vibration prevention device that can provide the ease of assembling while reducing the noise and vibration generated when the reclining device is operated, thereby improving the quality and durability of the reclining device as well as the seat as well as the ride comfort. The goal is to make a contribution to improvement.

Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the preferred embodiment of the present invention for achieving the above object.

1 is an exploded perspective view of a vehicle reclining apparatus for illustrating the present invention, FIG. 2 is a perspective view showing a shaft noise and vibration preventing device for a vehicle recliner to which the technique of the present invention is applied, and FIG. 3 is a technique of the present invention. Figure 4 is a longitudinal cross-sectional view of the shaft noise and vibration preventing device for the vehicle recliner applied to this, Figure 4 is a cross-sectional view of the shaft noise and vibration prevention device for the vehicle recliner applied to the technology of the present invention, Figure 5 is a shaft for a vehicle recliner applied to the technology of the present invention The state of use of the noise and vibration prevention device will be described together.

The reclining apparatus 50 is provided with a plate holder 51 fixed to the inner end of the cushion frame of the seat and the upper bracket 52 fixed to the lower end of the seat back frame.

An operator 57 composed of a lock gear 54, a cam lever 55, a cam plate 56, etc., which substantially determines reclining in the space portion between the plate holder 51 and the upper bracket 52. Is inserted.

The outer side of the plate holder 51 is the operating lever 58, the lever spring 59 and the return spring 60 is a configuration that is located.

The plate holder 51 and the upper bracket bracket 52 are coupled to the shaft hole 61 formed at the center thereof, and the shaft 62 is coupled to maintain the entire recliner 50, and the recliner and the connecting body 63 on the opposite side. ) To work together.

The outer surface of the shaft 62 and the connecting tube 63 is a configuration in which coupling teeth 64 and 65 are formed to be engaged with each other so that the power of the shaft 62 can be easily transmitted, and the shaft 62 In the state combined with the connecting pipe 63, the noise and vibration generated while the metal material is hit by the play such as the dimensional error is generated significantly.

In the present invention, by preventing the noise and vibration to prevent the operation noise and vibration between the shaft 62 and the connecting pipe (63) phase 70, it is possible to provide ease of assembly as well as noise and vibration. It is done.

To this end, the preventive device 70 to which the technique of the present invention is applied forms a tube insertion hole 71 on the inner side so as to be inserted at both ends of the connecting tube 63 and the shaft 62 on the outer side 72. It is provided with a preventive body 75 formed with a coupling tooth hole 73 to which the coupling teeth 64 formed on the outer surface can be coupled.
Since the prevention body 75 is intended to prevent noise and vibration, it may be preferable to injection molding the plastic or synthetic resin system rather than the metal material.

The diameter (H1, H2) of the pipe insertion hole 71 and the coupling tooth hole 73 has a diameter smaller than the outer diameter (H3, H4) of the connecting pipe 63 and the coupling tooth 64 by the interference coupling Ensure deviations are avoided.

Of course, a plurality of protrusions 76 may be formed at equal intervals on the inner side of the prevention body 75 in which the pipe insertion hole 71 is located, so that the coupling with the connecting pipe 63 may be improved. .

The inlet 77 of the tubular insertion hole 71 is formed by forming a diameter expanding portion 78 larger than the diameter of the tubular insertion hole 71 to facilitate the initial insertion of the connecting tubular body 63.

The present invention as described above,

In a state in which the pipe insertion hole 71 of the preventive device 70 is coupled to the outer diameter of both ends of the connecting pipe 63, the connecting pipe 63 and the shaft 62 are engaged to engage the coupling teeth 64 and 65. do.

In the process of coupling as described above, the coupling tooth hole 73 of the preventive device 70 is in close contact with the outer diameter of the coupling tooth 64 of the shaft 62, so that the tube insertion hole 71 is connected to the connecting body 63. By holding the vibration (flow) of the coupling and the coupling tooth hole 73 is the vibration (flow) of the coupling teeth 64 formed in the shaft 62 is to prevent noise and vibration.

In addition, the outer surface 72 of the stopper 70 is connected to the inner side of the coupling teeth 64 of the shaft 62, so that both ends and the shaft 62 of the connecting pipe 63 may be caused by noise and vibration. It is also prevented.

The noise field region 70 of the present invention as described above has a diameter of the tube insertion hole 71 and the coupling tooth hole 73 is somewhat smaller than the diameter of the coupling tooth 64 formed in the connecting pipe 63 and the shaft 62. Formed in a small size is able to hold the vibration while not easily separated by the interference coupling.

Particularly, a plurality of protrusions 76 are further formed inside the tubular insertion hole 71 to enable a firm coupling, and the diameter-expanding part formed at the inlet 77 of the tubular insertion hole 71 is formed. 78) can be easily inserted into the connecting tube 63 by the initial insertion has the advantage of easy assembly.

The present invention has the advantage of preventing the vibration (flow) of the coupling teeth formed in the shaft and the connector, as well as the noise that may be caused by the connection of the shaft and the end of the connector.

As described above, the present invention can provide ease of assembly while completely eliminating noise and vibration generated when the shaft and the connector are joined, as well as the connection between the end of the connector and the inner end of the joint. It is an invention having a variety of effects, such as to contribute to the improvement of the quality and durability of the entire seat as well as the reclining device as well as to improve the ride comfort.

Claims (3)

A plate holder 51 fixed to the inner end of the cushion frame of the seat; An upper tooth bracket 52 fixed to the lower end of the seat back frame; An operator 57 inserted into the space between the plate holder 51 and the upper bracket 52 consists of a lock gear 54, a cam lever 55, and a cam plate 56 that substantially determines reclining. )Wow; An operating lever 58, a lever spring 59, and a return spring 60 provided outside the plate holder 51; The plate holder 51 and the upper bracket 52 are coupled to the shaft hole 61 formed at the center to maintain the recliner 50 and to be connected to the opposite recliner and the connector 63 to operate together. A reclining apparatus 50 comprising a shaft 62 provided so as to be provided; It is provided with a preventive device 70 that can provide ease of assembly while allowing the noise and vibration between the shaft 62 and the connecting pipe body 63 to be excluded; The preventive device 70 is a tube insertion hole 71 formed in the inner surface to be inserted into both ends of the connecting tube (63); A preventive body (75) comprising a coupling tooth hole (73) formed in the outer surface (72) so that the coupling teeth (64) formed on the shaft (62) can be coupled; The diameter (H1, H2) of the pipe insertion hole 71 and the coupling tooth hole 73 is configured to have a size smaller than the outer diameter (H3, H4) of the connecting pipe 63 and the coupling teeth (64). Shaft noise and vibration protection for car recliner. The method of claim 1; Shaft noise and vibration prevention device for a vehicle recliner, characterized in that it comprises a plurality of projections (76) formed on the inner side of the tube insertion hole (71) to improve the coupling to the connecting tube (63). The method of claim 1; The inlet 77 of the tubular insertion hole 71 includes an enlarged diameter portion 78 larger than the diameter of the tubular insertion hole 71 to facilitate the initial insertion of the connecting tubular body 63. Shaft noise and vibration protector for recliner.

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