CN104223816B - A kind of folding mat - Google Patents

Abstract

The invention relates to the field of outdoor products. A folding cushion includes a cushion body with the same thickness and a headrest body arranged on the cushion body; Seat body, second connecting body and chair back body; the lengths of the foot pad body, seat body and chair back body are equal, the length of the first connecting body is twice the thickness of the cushion body, and the length of the second connecting body The length is three times the thickness of the cushion body. When in use, the folding cushion can be fully folded by two times of three-stage turning, and the headrest body can be disassembled and assembled through the headrest connecting belt, which is convenient for use when sleeping and lying down and storage when folded, and has good use comfort.

Description

a folding mat

technical field

The invention relates to the field of outdoor products, in particular to a folding mat.

Background technique

Folding mats are mainly used in activities such as outdoor travel and camping. The traditional folding mat is composed of multiple folding mat units spliced together. There is no skeleton inside the folding mat, so the folding mat can only be used lying flat and spread out, and the use form is single; and in order to further improve the use form of the folding mat, the existing folding mat structure The simulated folding seat above includes a foldable seat body, seat back body and foot pad body. The built-in skeleton folding pad can be used to adjust the seat back for riding or to be folded for storage; however, the improved folding pad The disadvantages are: 1. The existing folding pads can also be used in a flat position, but according to usage habits, a headrest is required when sleeping. However, the existing folding pads do not have this design, which makes it comfortable to use. 2. The foot pad body, seat body and chair back body on the folding pad are directly hinged in turn, and are folded in two stages. However, the folding pad has a certain thickness, and the folding pad near the hinge is It will be offset first, and then further folding will be restricted, making the folding insufficient.

In addition, in order to facilitate the handling of the folding mat, a handle is provided on the existing folding mat. The force direction is parallel to the folding direction of the folding pad, and the folding pad is prone to suddenly unfold when it is folded and carried.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a folding pad with novel structure, sufficient folding and good comfort in use.

In order to achieve the above object, the present invention adopts the following technical solutions:

A folding cushion, comprising a cushion body with uniform thickness and a headrest body arranged on the cushion body; the cushion body includes a foot pad body, a first connecting body, a seat body, and a second connecting body hinged in sequence and the chair back body; the headrest body is provided with a headrest connecting belt integrally connected with it, the headrest body is connected and fixed on the chair back body through the headrest connecting belt, and the free end of the headrest connecting belt is pasted and fixed on the chair the rear end face of the back body;

The lengths of the foot pad body, the seat body and the chair back body are equal, the length of the first connecting body is twice the thickness of the cushion body, and the length of the second connecting body is 3 times the thickness of the cushion body; The pad body and the first connecting body are hinged through an angle adjuster, and the foot pad body can be folded up and down along the hinge; the first connecting body and the seat body are hinged through an angle adjuster, and the first connecting body along the hinge It can only be folded upwards; the seat body and the second connecting body are hinged through an angle adjuster, and the second connecting body can only be folded upwards along the hinge; the angle between the second connecting body and the back body is adjusted The hinge is hinged, and the chair back body can only be folded upwards along the hinge;

The angle adjuster includes a first connecting frame and a second connecting frame, the first connecting frame is hinged to the second connecting frame through a pin a; the first connecting frame includes a first socket part and is integrated with the first socket part The first clamping part of the connection; the first clamping part is hinged with a pawl through the pin shaft b, and the pawl is provided with a torsion spring groove for placing a torsion spring, and a torsion spring is arranged in the torsion spring groove, and the middle part of the torsion spring Sleeved on the pin shaft b, the two free ends of the torsion spring are respectively clamped on the inner ends of the first sleeve;

The second connecting frame includes a second socket part and a second clamping part integrally connected with the second socket part; the second clamping part is provided with a stopper and a plurality of one-way gear teeth integrally connected with it. Two one-way gear teeth are arranged regularly along the edge of the inner end of the second clamping part, and form a tooth surface with each other, and the inner end of the pawl is opposed to the tooth surface formed by the one-way gear teeth to form a ratchet positioning mechanism A positioning piece is coaxially arranged on the second clamping portion along the pin axis a, and the positioning piece includes a reset portion whose outer arc surface diameter is larger than the gear tooth surface and a positioning portion whose outer arc surface diameter is smaller than the wheel tooth surface, and the positioning portion There is a positioning opening on the top, and the stopper is in the positioning opening; when the positioning piece rotates along the pin axis a, the reset part and the ratchet are opposed and rotated to cooperate, and the positioning opening is rotated to cooperate with the stopper.

As preferably, a handle is provided on the side of the foot pad body. On the one hand, the foot pad body is in the middle of the entire cushion body after being folded. The middle part of the pad body is convenient for force balance; on the other hand, the handle is on the side of the foot pad body, so that the direction of the handle's force is perpendicular to the folding direction of the folding pad, and the folding pad will not suddenly occur when it is folded and carried. unfolded situation.

The present invention adopts the above-mentioned technical scheme, and the folding pad has the advantages in the following two aspects: 1. The folding pad includes a cushion body and a headrest body arranged on the cushion body, specifically, the headrest body is provided with a The headrest connecting belt, the headrest body is connected and fixed on the seat back body through the headrest connecting belt; the headrest body can be disassembled and assembled through the headrest connecting belt, which is convenient for use when sleeping and folding; 2. Soft cushion The body includes the foot pad body, the first connecting body, the seat body, the second connecting body and the seat back body which are hinged in sequence. When in use, the seat body is used as the base, and the foot pad body is realized through the first connecting body and the seat body. Three-stage folding, since the length of the first connecting body is twice the thickness of the cushion body, the foot pad body can be completely stacked on the seat body; Segmental folding, since the length of the second connecting body is three times the thickness of the cushion body, the chair back body can be completely stacked on the foot pad body, that is, after being completely folded, the foot pad body is at the center of the entire cushion body In the middle part, the first connecting body, the seat body, the second connecting body and the seat back body are respectively arranged around it; therefore, it can be seen from the above folding process that the folding pad is fully folded by two three-stage folding.

Description of drawings

Fig. 1 is a structural schematic diagram 1 of the present invention.

Fig. 2 is a schematic diagram of the second structure of the present invention.

Fig. 3 is a schematic diagram of the internal skeleton of the present invention.

Fig. 4 is a schematic structural diagram of the angle adjuster.

detailed description

The preferred embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

As shown in FIGS. 1 to 3 , a foldable cushion includes a cushion body 1 with a uniform thickness and a headrest body 2 arranged on the cushion body 1 . The cushion body 1 includes a foot pad body 11 , a first connecting body 12 , a seat body 13 , a second connecting body 14 and a chair back body 15 which are hinged in sequence. The headrest body 2 is provided with a headrest connection belt 21 integrally connected with it, the headrest body 2 is connected and fixed on the seat back body 15 through the headrest connection belt 21, and the free end of the headrest connection belt 21 is pasted and fixed on the on the rear end surface of the seat back body 15 . The side of described foot pad body 11 is provided with handle 19, on the one hand foot pad body is in the middle part of whole cushion body after being folded, handle is arranged on the foot pad body, promptly handle is arranged on soft pad The middle part of the body is convenient for force balance; on the other hand, the handle is on the side of the foot pad body, so that the direction of the force applied by the handle is perpendicular to the folding direction of the folding pad, and the folding pad will not suddenly unfold when it is folded and carried. Case.

The lengths of the foot pad body 11, the seat body 13 and the chair back body 15 are equal, the length of the first connecting body 12 is twice the thickness of the cushion body 1, and the length of the second connecting body 14 is the thickness of the cushion body 1 3 times. The foot pad body 11 and the first connecting body 12 are hinged through the angle adjuster 3, and the foot pad body 11 can be folded up and down along the hinge. Specifically, the inside of the foot pad body 11 is provided with a U-shaped foot pad bar 111, The inside of a connecting body 12 is provided with two first connecting rods 121 arranged in parallel, and the free end of the U-shaped foot pad rod 111 is hinged on the front end of the first connecting rod 121 through the angle adjuster 3, and the U-shaped foot pad rod The two angle regulators 3 between 111 and the first connecting rod 121 are connected through the first reinforcing rod 16 .

The first connecting body 12 and the seat body 13 are hinged by the angle adjuster 3, and the first connecting body 12 can only be folded upwards along the hinge. Specifically, the seat body 13 is provided with a U-shaped seatpost 131 and two A seat side bar 132, two seat side bars 132 are arranged in parallel, a U-shaped seat post 131 is between the two seat side bars 132 and the U-shaped opening of the U-shaped seat post 131 faces forward, and the U-shaped seat post 131 The two U-shaped arms are respectively fixed on the two seat side rods 132, the rear end of the first connecting rod 121 is hinged on the front end of the seat side rod 132 through the angle adjuster 3, the first connecting rod 121 is connected to the front end of the seat side rod 132 The two angle regulators 3 between the seat side bars 132 are connected through the second reinforcing bar 17 .

The seat body 13 and the second connecting body 14 are hinged by the angle adjuster 3, and the second connecting body 14 can only be folded up along the hinge. Specifically, the inside of the second connecting body 14 is provided with two parallel The second connecting rod 141, the front end of the second connecting rod 141 is hinged on the rear end of the seat side rod 132 through the angle adjuster 3, and the two angle adjustments between the second connecting rod 141 and the seat side rod 132 The device 3 is located on both sides of the U-shaped seat post 131 respectively.

The second connecting body 14 and the chair back body 15 are hinged by the angle adjuster 3, and the chair back body 15 can only be folded upwards along the hinge. The free end of the back bar 151 is hinged on the rear end of the second connecting rod 141 through the angle adjuster 3, and the two angle adjusters 3 between the U-shaped back bar 151 and the second connecting rod 141 are reinforced by a third Rod 18 is connected.

Referring to FIG. 4 , the angle adjuster 3 includes a first connecting frame 31 and a second connecting frame 32 , and the first connecting frame 31 is hinged to the second connecting frame 32 through a pin a. The first connecting frame 31 includes a first sleeve portion 311 and a first clamping portion 312 integrally connected with the first sleeve portion 311 . The first clamping part 312 is hinged with a pawl 33 through the pin shaft b. The pawl 33 is provided with a torsion spring groove 331 for placing a torsion spring. A torsion spring 34 is arranged in the torsion spring groove, and the middle part of the torsion spring 34 is sleeved. On the pin shaft b, the two free ends of the torsion spring 34 are locked on the inner ends of the first sleeve part 311 respectively. The second connecting frame 32 includes a second sleeve portion 321 and a second clamping portion 322 integrally connected with the second sleeve portion 321 . The second engaging portion 322 is provided with a stopper 35 and a plurality of one-way gear teeth 36 connected thereto, and the plurality of one-way gear teeth 36 are regularly arranged along the edge of the inner end of the second engaging portion 322, and mutually The tooth surface is formed between them, and the inner end of the ratchet 33 is opposed to the tooth surface formed by the one-way gear teeth 36 to form a ratchet positioning mechanism. A positioning piece 37 is coaxially arranged on the second engaging portion 322 along the pin axis a, and the positioning piece 37 includes a reset portion 371 whose outer arc surface diameter is larger than the gear tooth surface and a positioning portion whose outer arc surface diameter is smaller than the gear tooth surface , the positioning portion is provided with a positioning opening 372 , and the stopper 35 is located in the positioning opening 372 . When the positioning piece 37 rotates along the pin axis a, the resetting part 371 abuts against the ratchet 33 and rotates in cooperation, and the positioning opening 372 rotates in cooperation with the stopper 35 .

During work, due to the ratchet positioning mechanism formed by the inner end of the ratchet 33 and the one-way gear teeth 36, the second connecting frame can only rotate clockwise in one direction, so when the first connecting frame and the second connecting frame The angle is turned down, which can be adjusted step by step according to the one-way gear teeth 36. And when the angle between the first connecting frame and the second connecting frame is less than a certain angle, the stopper 35 on the second connecting frame 32 pushes the right side wall of the positioning opening 372 of the locating piece 37, so that the locating piece 37 moves along the pin axis a. Rotate clockwise, the reset part 371 of the positioning piece 37 is pressed against the inner end of the pawl 33, and because the diameter of the outer arc surface of the reset part 371 is larger than that of the tooth surface, when the reset part 371 is in contact with the pawl 33, Release the engagement between the ratchet 33 and the one-way gear teeth 36; at this time, on the one hand, the second connecting frame can continue to rotate clockwise to approach the first connecting frame; on the other hand, the second connecting frame can also be rotated counterclockwise away from The first connecting frame, that is, the angle between the first connecting frame and the second connecting frame is increased, because the reset part 371 of the positioning piece 37 is against the pawl 33, and the engagement between the pawl 33 and the one-way gear teeth 36 is released. When the second connecting frame 32 and its upper fixed block 35 are rotated counterclockwise, the locating piece 37 is against the ratchet 33 and thus does not rotate, until the left side wall on the locating piece 35 and the locating piece 37 abuts, the locating piece 35 pushes the positioning piece 37 to rotate counterclockwise until the positioning piece 37 disengages from the ratchet 33, and the inner end of the ratchet 33 engages with the one-way gear 36 again. At this time, the expansion angle of the second connecting frame is the largest, generally 180°.

Claims (2)

1. A folding pad, characterized in that: comprise a cushion body with the same thickness and a headrest body arranged on the cushion body; the cushion body comprises a sequentially hinged foot pad body, a first connecting body, a seat body, the second connecting body and the back body; the headrest body is provided with a headrest connecting belt integrally connected with it, the headrest body is connected and fixed on the back body through the headrest connecting belt, and the headrest connecting belt is free The end is pasted and fixed on the rear end surface of the chair back body; The lengths of the foot pad body, the seat body and the chair back body are equal, the length of the first connecting body is twice the thickness of the cushion body, and the length of the second connecting body is 3 times the thickness of the cushion body; The pad body and the first connecting body are hinged through an angle adjuster, and the foot pad body can be folded up and down along the hinge; the first connecting body and the seat body are hinged through an angle adjuster, and the first connecting body along the hinge It can only be folded upwards; the seat body and the second connecting body are hinged through an angle adjuster, and the second connecting body can only be folded upwards along the hinge; the angle between the second connecting body and the back body is adjusted The hinge is hinged, and the chair back body can only be folded upwards along the hinge; The angle adjuster includes a first connecting frame and a second connecting frame, the first connecting frame is hinged to the second connecting frame through a pin a; the first connecting frame includes a first socket part and is integrated with the first socket part The first clamping part of the connection; the first clamping part is hinged with a pawl through the pin shaft b, and the pawl is provided with a torsion spring groove for placing a torsion spring, and a torsion spring is arranged in the torsion spring groove, and the middle part of the torsion spring Sleeved on the pin shaft b, the two free ends of the torsion spring are respectively clamped on the inner ends of the first sleeve; The second connecting frame includes a second socket part and a second clamping part integrally connected with the second socket part; the second clamping part is provided with a stopper and a plurality of one-way gear teeth integrally connected with it. Two one-way gear teeth are arranged regularly along the edge of the inner end of the second clamping part, and form a tooth surface with each other, and the inner end of the pawl is opposed to the tooth surface formed by the one-way gear teeth to form a ratchet positioning mechanism A positioning piece is coaxially arranged on the second clamping portion along the pin axis a, and the positioning piece includes a reset portion whose outer arc surface diameter is larger than the gear tooth surface and a positioning portion whose outer arc surface diameter is smaller than the wheel tooth surface, and the positioning portion There is a positioning opening on the top, and the stopper is in the positioning opening; when the positioning piece rotates along the pin axis a, the reset part and the ratchet are opposed and rotated to cooperate, and the positioning opening is rotated to cooperate with the stopper. 2. A folding mat according to claim 1, characterized in that: a handle is provided on the side of the foot mat body.