TWI623289B - Seat adjustment mechanism with securement means - Google Patents

Abstract

A seat adjustment mechanism having a fastening mechanism includes a cover, an outer casing, and a brake and clutch assembly. The cover plate has a body and a plurality of structural members vertically connected to the body, and each of the structural members has a closed perforation at the end. The outer casing is provided with a plurality of grooves corresponding to the respective structural members, and each of the structural members passes through the grooves and is processed to form two fastening portions, and the respective fastening portions are respectively clamped on two sides of the outer grooves. The brake and clutch assembly is mounted between the cover and the outer casing. Thereby, the strength between the cover plate and the outer casing is better, and the durability and reliability are relatively improved.

Description

Seat adjustment mechanism with fastening mechanism

The invention relates to a seat adjusting mechanism, in particular to a seat for transporting vehicles such as airplanes, trains, ships, elevators, automobiles, etc., and also for fastening mechanisms of various chairs or wheelchairs used at home. Seat adjustment mechanism.

Transport vehicles, such as car seats, are the most intimate parts of a person, and must meet the driver's convenience and comfort requirements. In other words, the driver can adjust the seat to the best position by manipulating the handle button, so that the driver can get the best view, easy to manipulate the steering wheel, pedals and other conveniences of controlling the car, and also get the most comfortable and habits. The angle of the ride. In addition to the most stringent safety and ergonomic effects, existing car seat designs must also be able to accommodate both male and female motorists of all sizes and heights.

As shown in FIG. 1 , the existing vehicle trimming mechanism 60 includes an outer casing 10, a brake assembly (not shown), and a cover 30. A plurality of connecting hooks 40 are vertically disposed on the outer circumference of the cover plate 30. The outer casing 10 is provided with a plurality of connecting grooves 50 opposite to the connecting hooks 40, so that the connecting hooks 40 are fastened to the connecting grooves 50. The brake assembly is wrapped therein to generate a relative frictional force and a rotational force, thereby actuating the seat cushion of the seat for lifting movement. Since the fastening means of the existing fastening mechanism 60 is a plurality of U-shaped or V-shaped connecting hooks 40 punched out on a sheet metal member. That is, each of the connecting hooks 40 is a two hook-shaped arm 42 protruding outwardly, and is hooked on the outer wall surface of the connecting groove 50 of the outer casing 10, and the elastically bent connecting hook 40 is Well known to the public.

When the locking mechanism 60 is actually in operation, the brake assembly disposed in the cover 30 and the outer casing 10 is rotated, so that each of the connecting hooks 40 is subjected to a peeling force. In particular, when the seat of the automobile is subjected to the impact force, the connecting hook portion 40 is subjected to a strong peeling load and is bent inward to deform and lose the locking effect, so that the fastening mechanism 60 cannot be reliably secured.

Therefore, the related artator will strengthen the thickness of the outwardly flared two hook arms 42 and the strength of the roots to counter the peeling load and bending load during the rotation. Conventionally, the method of reinforcing the peel strength is mainly to press the material size of the root portion of the two hook arms 42 into a wide width, and the material of the cover plate 30 is a material having a relatively high strength or a thick plate thickness. However, in the above-described strengthening method, since the machining load is increased, the machining allowance/tolerance becomes large, the press working difficulty is increased, and the overall weight of the fastening mechanism 60 is increased.

In view of the above, the inventors of the present invention have made great efforts to solve the above problems in view of the above-mentioned prior art, and have made great efforts to solve the above problems, which has become the object of improvement of the present inventors.

It is an object of the present invention to provide a seat adjustment mechanism with a fastening mechanism that is more rigid in strength between the cover and the outer casing and that has relatively improved durability and reliability.

To achieve the above object, the present invention provides a seat adjustment mechanism having a fastening mechanism including a cover, an outer casing, and a brake and clutch assembly. The cover plate has a body and a plurality of structural members vertically connected to the body, and each of the structural members has a closed perforation at the end. The outer casing is provided with a plurality of grooves corresponding to the respective structural members, and each of the structural members passes through the grooves and is processed to form two fastening portions, and the respective fastening portions are respectively clamped on two sides of the outer grooves. The brake and clutch assembly is mounted between the cover and the outer casing.

The invention also has the following advantages: a brake ring piece is added between the cover plate and the outer casing, and the edge of the brake ring piece is further provided with a plurality of notches corresponding to the respective grooves, and each of the structural members respectively passes through each The cover, the brake ring and the outer casing are fastened by fastening the groove and the grooves and by, for example, riveting, stamping or other suitable processing.

Each of the structural members further has an elongated body and a connecting rod connecting the two ends of the connecting body, and the closed through hole is formed between the connecting rod and the connecting body. When the joint structure is riveted or stamped to form a two-knot portion, the connecting rods are pressed to be plastically deformed, and the closed-shaped perforations are simultaneously deformed by being squeezed, so that the brake ring piece and the outer casing are tightly clamped. Solid junction.

Since each of the structural members has two hook portions connected to each other, each of the structural members is formed into a solid structure by means of, for example, riveting, which strengthens the strength of the members. Further, in the present invention, since the joining effect can be enhanced by a simple processing means, a relatively thin material or even a low-strength material can be used, and a lightweight and inexpensive product can be provided.

The detailed description and technical content of the present invention are set forth in the accompanying drawings.

As shown in FIGS. 2 to 5, the present invention provides a seat adjustment mechanism 100 having a fastening mechanism including a cover plate 110, an outer casing 200, and a brake and clutch assembly 300. The seats described herein include, but are not limited to, seats for transport vehicles such as airplanes, trains, ships, elevators, automobiles, and the like, and even various seats or wheelchairs used at home. For the seat for transporting the vehicle, the seat adjusting mechanism 100 of the present invention is preferably mounted on one side of a seat cushion (not shown) for adjusting the position of the seat cushion, wherein the seat cushion is further connected with a seat cushion. Chair back (slightly shown).

The cover plate 110 has a body 130 and a plurality of structural members 140 perpendicularly connecting the body 130. Each of the structural members 140 defines a closed through hole 142 at the end. The outer casing 200 is provided with a plurality of grooves 210 opposite to the respective structural members 140. Each of the structural members 140 passes through the grooves 210 and is processed to form two fastening portions 160. The respective fastening portions 160 are respectively clamped outside the respective grooves 210. On the two sides, the outer casing 200 is tightly clamped. The fastening mechanism referred to in this embodiment preferably means that each of the structural members 140 is processed to form the two fastening portions 160. The brake and clutch assembly 300 is mounted between the cover plate 110 and the outer casing 200

In this embodiment, the cover plate 110 is preferably fixed and disposed on the inner side of the side of the seat cushion, and the outer casing 200 is disposed opposite to the outer side of the seat cushion. By adjusting the handle (not shown) adjacent to the outer casing 200, the brake and the clutch assembly 300 are interlocked to drive the lifting mechanism (not shown) in the seat cushion. The outer casing 200 has a disk-like appearance, wherein each of the grooves 210 is distributed on the disk-shaped flange 220.

The brake and clutch assembly 300 referred to herein is substantially a brake mechanism and a clutch mechanism. The brake mechanism includes a brake axle 310, a wheel drum 320 sleeved on the brake axle 310, and a wheel drum 320 disposed on the wheel drum 320. A plurality of roller assemblies 330. One end of the axle 310 passes through a shaft hole 120 of the cover 110, and the other end is interlocked with the clutch mechanism. However, the clutch mechanism is not depicted in this embodiment. The relationship between the brake mechanism and the clutch mechanism is prior art and will not be described here.

In the embodiment shown in FIGS. 2 to 4, a brake ring piece 170 sandwiched between the cover plate 110 and the outer casing 200 is further included. The brake ring 170 is further provided with a plurality of notches 172, a ring body 174 and a ring hole 176 formed in the ring body 174. The inner circumferential surface of the ring hole 176 is further provided to each roller assembly 330. Forming a locking or unlocking effect is also one of the sources of peeling load. Each of the notches 172 of the ring body 174 is disposed corresponding to each of the grooves 210. Therefore, each of the structural members 140 passes through the respective notches 172 and the respective grooves 210 and is fastened to the cover plate 110, the brake ring piece 170 and the outer casing 200 by, for example, riveting, pressing or other suitable processing.

Since each of the structural members 140 further has an elongated body 150 and a connecting rod 152 connecting the two ends of the connecting body 150, the connecting hole 142 is formed between the connecting rod 152 and the joining body 150. The closed perforations 142 as shown are preferably diamond shaped, however in other embodiments, the shape of the closed perforations 142 may also be circular, elliptical or other suitable shape, without limitation.

Referring to FIG. 5 together, after each of the associating structures 140 respectively passes through the corresponding notches 172 and the grooves 210, the respective structural members 140 are passed through a suitable processing method, such as riveting or stamping. The two fastening portions 160 are formed to tightly clamp the brake ring piece 170 and the outer casing 200. In other words, when the respective structural members 140 are subjected to a force such as riveting, the connecting rods 152 are pressed to be plastically deformed, and the two fastening portions 160 are materials formed by plastically deforming the two ends of the connecting rod 152, wherein the closed perforations 142 At the same time, it is deformed by extrusion. In the present embodiment, the closed perforations 142 are preferably brought into close contact after processing; however, in different embodiments, they may also be in a non-closed state (as shown in Figure 6) depending on the processing method.

When the seat adjustment mechanism 100 of the present embodiment is in actual operation, that is, during the adjustment of the seat cushion lift, the action of the brake ring piece 170 in the brake and clutch assembly 300 applies a shear to each of the structural members 140. The cutting load or the peeling load causes the fastening effect of the cover plate 110 and the outer casing 200 to gradually fail. However, in the present embodiment, since each of the structural members 140 has the two hook portions 160 connected to each other, the respective structural members 140 are formed into a solid structure by means of, for example, riveting, thereby reinforcing the strength of the members 140.

Further, each of the structuring members 140 of the present embodiment has strength to join the ends of the body 150 in addition to the strength of the root portion 150. In other words, the two-buckle portion 160 formed by plastic deformation of the connecting rod 152 deforms the closed-shaped perforation 142 between the conjoined body 150 and the connecting rod 152 due to the riveting process when subjected to the peeling load/shear load on the outer side of the two sides. The overall strength of each of the structural members 140 is enhanced. In essence, the two fastening portions 160 are connected by the connecting rods 152, and the ability of the two fastening portions 160 to undergo inward compression deformation is greatly improved, and the peel strength that can be withstood is increased.

Therefore, each of the structural members 140 of the present invention provides better bonding strength between the cover plate 110, the brake ring piece 170 and the outer casing 200, and the durability and reliability are relatively improved. Further, in the present invention, since the joining effect can be enhanced by a simple processing means, a relatively thin material or even a low-strength material can be used, and a lightweight and inexpensive product can be provided.

In the above, the embodiments disclosed herein are to be considered as illustrative of the invention and not to limit the invention. The scope of the present invention is defined by the scope of the appended claims, and the legal equivalents thereof are not limited to the foregoing description.

<Practical Technology>

10‧‧‧External casing

30‧‧‧ Cover

40‧‧‧Connecting hook

42‧‧‧ hook arm

50‧‧‧ Connection groove

60‧‧‧Kart institutions

<present invention>

100‧‧‧Seat adjustment mechanism

110‧‧‧ cover

120‧‧‧ shaft hole

130‧‧‧ Ontology

140‧‧‧Architecture

142‧‧‧Closed perforation

150‧‧‧Conclusion of ontology

152‧‧‧ Connecting rod

160‧‧‧Card Department

170‧‧‧煞车环片

172‧‧‧ Missing slot

174‧‧‧ ring body

176‧‧‧ ring hole

200‧‧‧ outer casing

210‧‧‧ trench

220‧‧‧Flange

300‧‧‧ brakes and clutch assemblies

310‧‧‧煞 axle

320‧‧‧煞 wheel drum

330‧‧‧Roller components

Figure 1 is a side elevational view of a conventional fastening mechanism.

2 is an exploded view of the seat adjustment mechanism of the present invention having a fastening mechanism.

3 is a partial assembled view of a seat adjustment mechanism having a fastening mechanism of the present invention.

4 is a side elevational view showing the assembly of the seat adjustment mechanism with the fastening mechanism of the present invention.

Fig. 5 is a perspective view showing the assembly and processing of the seat adjusting mechanism of the present invention having a fastening mechanism.

Fig. 6 is a view showing another embodiment of each of the structural members of the present invention after processing.

Claims (7)

A seat adjustment mechanism having a fastening mechanism, comprising: a cover plate having a body and a plurality of structural members vertically connected to the body, each of the structural members having a closed perforation at the end; an outer casing having a relative opening a plurality of grooves of each of the structural members, each of the structural members passing through the grooves and being processed to form two fastening portions, each of the fastening portions being respectively clamped on two sides of each of the grooves; and a brake and a clutch The assembly is mounted between the cover and the outer casing. A seat adjustment mechanism having a fastening mechanism according to claim 1, wherein each of the structural members is formed to form the two fastening portions, and the closed perforations are simultaneously deformed by being pressed. The seat adjustment mechanism with a fastening mechanism according to claim 1, further comprising a brake ring piece clamped between the cover plate and the outer casing. The seat adjustment mechanism with a fastening mechanism according to claim 3, wherein the brake ring piece is further provided with a plurality of notches, a ring body and a ring hole formed in the ring body relative to each of the structural members. A seat adjustment mechanism having a fastening mechanism according to claim 4, wherein each of the structural members respectively fastens the outer casing through each of the notches and each of the grooves. The seat adjustment mechanism with fastening mechanism according to claim 1, wherein each of the structural members further has a connecting body and a connecting rod connecting the two ends of the connecting body, the connecting rod and the connecting body The closed perforations are formed. A seat adjustment mechanism with a fastening mechanism according to claim 1, wherein the brake and clutch assembly further includes a brake axle, a wheel drum sleeved on the brake axle, and a plurality of rollers disposed on the brake drum The assembly has one end of the axle passing through a shaft hole of the cover.