CN208863902U - A kind of back cushion folding connection piece - Google Patents

Abstract

A kind of back cushion folding connection piece, including the flat connection strap of strip, the connection strap include connecting pin and support end in width direction, and the connection strap is respectively present the hinge eyes of integrally connected in the two sides close to the connecting pin；The hinge eyes at least have one in the connection strap unilateral side, and are spaced apart on the connection strap length direction；The hinge eyes center offers hinge hole, and the hinge hole of the connection strap two sides is hinged with the first back cushion and the second back cushion respectively.Reinforcing rib is equipped with towards the support extreme direction between the hinge eyes and the connection strap.The back cushion folding connection piece of the utility model between adjacent back cushion by using connector transition to connect, provide the space of folding, and support is more stable when using back cushion expansion there are support construction on connector, the back cushion smooth transition that connector is connect with two sides simultaneously, keeps linking more steady.

Description

A kind of back cushion folding connection piece

Technical field

The utility model relates to folding back cushion field, more specifically to a kind of back cushion folding connection piece.

Background technique

Seat is people's daily life, indispensable apparatus in work.In the prior art, seat generally comprises chair The structures such as seat, the chair back, chair leg and handrail.Wherein, the chair back of seat is generally used the structure of vertical rate deflection, when people need When being sitting in rest on chair, the back structure of seat human body be seated to have difficulty in going to sleep or sleep very uncomfortable, and the time The problem of one is long, and vertebra is be easy to cause to distort, and cervical vertebra, protrusion of lumber intervertebral disc and lumbar muscle strain etc. endanger people's health.

The especially afternoon nap of office worker.With the quickening of work rhythm and becoming larger for city size, the public affairs in the whole world 90% Department can all reserve the time of lunch break to employee, but most of company is all without providing the place of lunch break for employee.Office The personnel of middle work are typically only capable to be to lie prone on desk or rest on office chair to rest at noon, when people lie prone in desk When upper rest, often a few minutes will make arm, legs become numb, and leading to rest, not enough off color is for a long time, serious Visual impairment is even also resulted in, the chronic diseases such as various cervical spondylosiss are induced；When resting on rest on office chair, due to The shape of the chair back is not bonded with human body back shape, causes human body back to cannot get effective support of the chair back, to cause people Body is uncomfortable, cannot sufficiently be rested.

At present there are many product of folding seat, folding bed etc for people's afternoon nap, but such small product size compared with Big storage is inconvenient, is not suitable for outgoing carry and at high cost.

There is folding back cushion of the frame on seat and the chair back at present, and the linking between the adjacent back cushion of folding back cushion is past Toward existing, folding clamping stagnation, support is unstable, is connected the problems such as unsmooth.

Utility model content

The utility model provides a kind of back cushion folding connection piece in view of the deficiencies of the prior art, and the utility model leans on Folding connection piece is padded by using connector transition to connect between adjacent back cushion, provides the space of folding, and even Support is more stable when using back cushion expansion there are support construction on fitting, while the back cushion that connector is connect with two sides is smooth Transition keeps linking more steady.

The specific technical solution of the utility model is as follows: a kind of back cushion folding connection piece, including the flat connection of strip Item, the connection strap include connecting pin and support end in width direction, and the connection strap is in the two sides close to the connecting pin point Not there are the hinge eyes of integrally connected；The hinge eyes at least have one in the connection strap unilateral side, and in the connection strap It is spaced apart on length direction；The hinge eyes center offers hinge hole, the hinge hole difference of the connection strap two sides It is hinged with the first back cushion and the second back cushion.

The hinge hole of the connection strap two sides passes through with first back cushion and second back cushion through respectively Articulated shaft is hinged, enables first back cushion and the second back cushion rotary folding, and the support of the connection strap It holds and offsets with the side of first back cushion, can not continue to rotate backward after being rotated by 90 ° left and right by folded state, guarantee junction Upper surface smooth transition.

As the preferred of the utility model, it is equipped between the hinge eyes and the connection strap towards the support extreme direction Reinforcing rib.

By the way that the reinforcing rib is arranged, reinforce bonding strength between the hinge eyes and the connection strap, makes described the The support strength of the connector is reinforced after one back cushion and second back cushion expansion.

As the preferred of the utility model, the distance between described hinge hole center of two of the connection strap two sides is greater than The hinge hole center to first back cushion and second back cushion upper surface sum of the distance.

There are enough spaces in hinged place at two when first back cushion and second back cushion upper surface are folded inward as a result, Guarantee folding process does not interfere and clamping stagnation.

As the preferred of the utility model, projection of the hinge eyes on the connection strap at most exceeds the connection strap Width edge is along 10mm.

The hinge eyes will not be higher by back cushion upper surface too after first back cushion and second back cushion are unfolded as a result, It is more, keep hinged place transition gentle, using comfortable.

As the preferred of the utility model, the line and the connection strap at the hinge hole center of the connection strap two sides The angle of width direction central plane is 75 ° ~ 105 °.

The connection strap and first back cushion and second back cushion misplace after being unfolded and tilt as a result,

As the preferred of the utility model, the hinge eyes are symmetrically disposed on the connection strap two sides, and in the connection Length direction is uniformly equally spaced.

As the preferred of the utility model, the hinge eyes account for institute in the sum of the length that the connection strap length direction is distributed State the 40% ~ 60% of connection strap total length.

As the preferred of the utility model, the hinge eyes offer hollow out in the side of the connection strap width direction and lack Mouthful.

The flexibility at the hinge eyes can be increased by the way that the hollow out notch is arranged as a result, and prevent the hinge It connects and accumulates sundries in hole and cause rotation stuck when adjusting, while material can also be saved and mitigate quality.

In conclusion the utility model has the following beneficial effects:

The back cushion folding connection piece of the utility model is provided by using connector transition to connect between adjacent back cushion The space folded, and when using back cushion expansion there are support construction on connector, support is more stable, simultaneously connects The back cushion smooth transition that part is connect with two sides, keeps linking more steady.

Detailed description of the invention

Fig. 1 is the side view of the utility model back cushion folding connection piece；

Fig. 2 is the perspective view of the utility model back cushion folding connection piece；

Fig. 3 is the side view that the utility model back cushion folding connection piece is connect with back cushion；

Fig. 4 is the perspective view that the utility model back cushion folding connection piece is connect with back cushion；

Fig. 5 is the explosive view that the utility model back cushion folding connection piece is connect with back cushion；

In figure, 1- connection strap, the connecting pin 11-, 12- support end, 2- hinge eyes, 21- hinge hole, 22- hollow out notch, 3- add Strengthening tendons, the first back cushion of 4-, the second back cushion of 5-.

Specific embodiment

Below in conjunction with attached drawing, by specific embodiment, the utility model is described in further detail.

As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, a kind of back cushion folding connection piece, including the flat connection strap 1 of strip, connection Item 1 includes connecting pin 11 and support end 12 in width direction, and connection strap 1 is respectively present in the two sides close to connecting pin 11 integrally to be connected The hinge eyes 2 connect；Hinge eyes 2 are unilateral at least in the presence of one in connection strap 1, and are spaced apart on 1 length direction of connection strap；Hinge It connects 2 center of ring and offers hinge hole 21, the hinge hole 21 of 1 two sides of connection strap is hinged with the first back cushion 4 and the second back cushion 5 respectively.

The hinge hole 21 of 1 two sides of connection strap is hinged by through articulated shaft with the first back cushion 4 and the second back cushion 5 respectively, Enable 5 rotary folding of the first back cushion 4 and the second back cushion, and the side phase of the support end 12 of connection strap 1 and the first back cushion 4 It supports, can not continue to rotate backward after being rotated by 90 ° left and right by folded state, guarantee the smooth transition of junction upper surface.

As shown in Figure 1, Figure 2, reinforcing rib 3 is equipped with towards 12 direction of support end between hinge eyes 2 and connection strap 1.

By the way that reinforcing rib 3 is arranged, reinforces bonding strength between hinge eyes 2 and connection strap 1, make the first back cushion 4 and second The support strength that rear connectors are unfolded in back cushion 5 is reinforced.

Such as Fig. 3, the distance between two 21 centers of hinge hole of 1 two sides of connection strap are leaned on greater than 21 center of hinge hole to first The sum of the distance of 5 upper surface of pad 4 and the second back cushion.

Hinged place has enough spaces to guarantee folding at two when the first back cushion 4 and 5 upper surface of the second back cushion are folded inward as a result, Folded process does not interfere and clamping stagnation.

Such as Fig. 1, Fig. 3, projection of the hinge eyes 2 on connection strap 1 at most exceeds 1 width edge of connection strap along 10mm.

Will not to be higher by back cushion upper surface too many for hinge eyes 2 after the first back cushion 4 and the expansion of the second back cushion 5 as a result, makes hinged place Transition is gentle, using comfortable.

Such as Fig. 1, the line at 21 center of hinge hole of 1 two sides of connection strap and the angle of 1 width direction central plane of connection strap It is 75 ° ~ 105 °.

Connection strap 1 and the first back cushion 4 and the second back cushion 5 misplace after being unfolded and tilt as a result,

Such as Fig. 2, Fig. 4, Fig. 5, hinge eyes 2 are symmetrically disposed on 1 two sides of connection strap, and uniform etc. in 1 length direction of connection strap Away from distribution.

Such as Fig. 2, Fig. 4, Fig. 5, hinge eyes 2 account for 1 total length of connection strap in the sum of the length that 1 length direction of connection strap is distributed 40%~60%。

Such as Fig. 2, hinge eyes 2 offer hollow out notch 22 in the side of 1 width direction of connection strap.

The flexibility at hinge eyes 2 can be increased by the way that hollow out notch 22 is arranged as a result, and prevent 21 inner product of hinge hole It is stuck when adjusting that tired sundries leads to rotation, while can also save material and mitigate quality.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this The conception and scope of type is defined.Without departing from the design concept of the present utility model, ordinary people in the field is to this The all variations and modifications that the technical solution of utility model is made, should fall within the protection scope of the present utility model, this is practical Novel claimed technology contents, are all described in the claims.

Claims (8)

1. a kind of back cushion folding connection piece, it is characterised in that: including the flat connection strap of strip (1), the connection strap (1) exists Width direction includes connecting pin (11) and support end (12), and the connection strap (1) is in the two sides close to the connecting pin (11) point Not there are the hinge eyes (2) of integrally connected；The hinge eyes (2) are unilateral at least in the presence of one in the connection strap (1), and in institute It states and is spaced apart on connection strap (1) length direction；Hinge eyes (2) center offers hinge hole (21), the connection strap (1) The hinge hole (21) of two sides is hinged with the first back cushion (4) and the second back cushion (5) respectively.

2. a kind of back cushion folding connection piece according to claim 1, it is characterised in that: the hinge eyes (2) and the company Reinforcing rib (3) are equipped with towards the support end (12) direction between narrow bars (1).

3. a kind of back cushion folding connection piece according to claim 1, it is characterised in that: the two of connection strap (1) two sides The distance between a hinge hole (21) center is greater than the hinge hole (21) center to first back cushion (4) and described the The sum of the distance of two back cushions (5) upper surface.

4. a kind of back cushion folding connection piece according to claim 1, it is characterised in that: the hinge eyes (2) are in the company Projection in narrow bars (1) at most exceeds the connection strap (1) width edge along 10mm.

5. a kind of back cushion folding connection piece according to claim 4, it is characterised in that: the institute of connection strap (1) two sides The angle of the line and the connection strap (1) width direction central plane of stating hinge hole (21) center is 75 ° ~ 105 °.

6. a kind of back cushion folding connection piece according to claim 1, it is characterised in that: the hinge eyes (2) are symmetrical arranged It is uniformly equally spaced in the connection strap (1) two sides, and in the connection strap (1) length direction.

7. a kind of back cushion folding connection piece according to claim 6, it is characterised in that: the hinge eyes (2) are in the company The sum of the length of narrow bars (1) length direction distribution accounts for the 40% ~ 60% of the connection strap (1) total length.

8. a kind of back cushion folding connection piece according to claim 1, it is characterised in that: the hinge eyes (2) are in the company The side of narrow bars (1) width direction offers hollow out notch (22).