CN206151012U - One -way something or somebody to fall back on device - Google Patents

Abstract

The utility model relates to a sofa one -way something or somebody to fall back on device on the back, one -way something or somebody to fall back on device, left side part, right side part including the symmetry, left side part, right side part all are equipped with something or somebody to fall back on installed part, yoke installed part and retaining member, and the something or somebody to fall back on installed part rotates with the yoke installed part to be connected, and yoke installed part fixed mounting is on the back yoke, and something or somebody to fall back on installed part fixed mounting is on the something or somebody to fall back on plank, and retaining member fixed mounting is on the back yoke. Still be provided with unidirectional motor and draw in the spring in, unidirectional motor, draw in the spring in and install respectively in the one side that corresponds, unidirectional motor, draw in the spring in and all install between something or somebody to fall back on installed part and retaining member. The utility model discloses simple structure simple to operate, the cost is reduced at the complete folded state of something or somebody to fall back on device or when drawing in the in -process in, can manually pull open the something or somebody to fall back on plank, avoids using being pressed from both sides carelessly and hinders, has greatly improved the security performance.

Description

A kind of unidirectional something or somebody to fall back on devices

Technical field

The utility model is related to the unidirectional something or somebody to fall back on devices on a kind of sofa backrest, particularly a kind of use motorized adjustment, Multifunctional single can draw in or launch, that security performance is higher is to independent something or somebody to fall back on devices.

Background technology

At present existing independent something or somebody to fall back on devices have where three great deficiencies：1st, electronic separate machine extending apparatus are complete By motor control launch and draw in, underaction, when user is accidentally placed in hand in the something or somebody to fall back on of gathering, something or somebody to fall back on can not and Shi Songkai, is unfavorable for safe handling；2nd, structure is complex, and parts composition is more, installs system that is complicated and increased device Make cost；3rd, in order to separate machine extending apparatus are hidden in completely in backrest, backrest side needs to thicken, it appears heavy, affects The aesthetic property of sofa.

Utility model content

Technical problem to be solved in the utility model is to overcome the above-mentioned deficiency in the presence of prior art, and provides one Plant simple for structure, it is easy for installation, using the unidirectional something or somebody to fall back on devices of safety.

The utility model solves the technical scheme that adopted of above-mentioned technical problem：The unidirectional something or somebody to fall back on devices, including it is symmetrical Left-hand side part, right side members, the left-hand side part, right side members are equipped with something or somebody to fall back on installed parts, yoke installed part and locking member, Something or somebody to fall back on installed parts are rotated with yoke installed part and are connected, and yoke installed part is fixedly mounted on backrest yoke, and something or somebody to fall back on installed parts are fixed On something or somebody to fall back on planks, locking member is fixedly mounted on backrest yoke.The parts contained by unidirectional something or somebody to fall back on devices are few, structure It is simple easy for installation, reduce cost.

The utility model is additionally provided with one-way motors and draws spring in, and one-way motors, gathering spring are separately mounted to correspondence Side, one-way motors, draw in spring be installed between something or somebody to fall back on installed parts and locking member.The gathering spring and one-way motors Symmetrically.Drive something or somebody to fall back on installed parts to rotate when one-way motors are flexed outward, promote the motion of something or somebody to fall back on planks, draw spring in and be elongated, it is single Open to something or somebody to fall back on devices；Draw spring contraction in when one-way motors internal recovering to shorten, by something or somebody to fall back on planks toward pulling back, unidirectional something or somebody to fall back on Device draws in.Due to having used one-way motors, when something or somebody to fall back on is in complete rounding state or during drawing in, something or somebody to fall back on planks can To be pulled open manually, it is to avoid using being crushed accidentally, improve security performance.

Something or somebody to fall back on installed parts described in the utility model are rotated by first rotating shaft with yoke installed part and are connected, one-way motors difference It is arranged between the something or somebody to fall back on installed parts of certain side and locking member by the second rotating shaft, the 3rd rotating shaft, draws spring in and pass through bullet respectively Spring is hung position hole one, spring extension position hole two and is suspended between the something or somebody to fall back on installed parts of opposite side and locking member.

Second rotating shaft described in the utility model, the 3rd rotating shaft adopt latch.

The utility model simple structure is easy for installation, reduces cost, full content can be hidden in backrest, security Can be good.

Description of the drawings

Fig. 1 is the leftschematic diagram that the utility model embodiment group is attached to after backrest yoke；

Fig. 2 is the right side schematic view that the utility model embodiment group is attached to after backrest yoke；

Fig. 3 is the structural representation of the utility model embodiment something or somebody to fall back on revolving part；

Fig. 4 is the schematic diagram of the utility model embodiment locking member；

Fig. 5 is the full opening of schematic diagram of the utility model embodiment；

Fig. 6 is the schematic diagram that the utility model embodiment is drawn in completely.

In figure：1- something or somebody to fall back on installed parts；2- yoke installed parts；3- first rotating shafts；The fixing holes of 4- first；5- second consolidates Determine hole；The fixing holes of 6- the 3rd；The fixing holes of 7- the 4th；The fixing holes of 8- the 5th；9- backrest yokes；10- something or somebody to fall back on planks；11- 6th fixing hole；The fixing holes of 12- the 7th；13- locking members；The rotating shafts of 14a- second；14b- springs hang position hole one；15a- Three rotating shafts；15b- springs hang position hole two；16- one-way motors；17- draws spring in.

Specific embodiment

Below in conjunction with the accompanying drawings and by embodiment the utility model is described in further detail.

The utility model embodiment has symmetrical left-hand side part, right side members, something or somebody to fall back on installed parts 1 and yoke installed part 2 Rotated by first rotating shaft 3 and connected, yoke installed part 2 is fixed by the first fixing hole 4, the second fixing hole 5, the 3rd fixing hole 6 On backrest yoke 9, something or somebody to fall back on installed parts 1 are fixedly connected on something or somebody to fall back on planks 10 by the 4th fixing hole 7 and the 5th fixing hole 8 On, locking member 13 is fixedly mounted on backrest yoke 9 by the 6th fixing hole 11 and the 7th fixing hole 12.One-way motors 16 are installed In certain side（Left-hand side part or right side members）On, its one end is rotated with something or somebody to fall back on installed parts 1 by the second rotating shaft 14a and is connected, separately One end is rotated with locking member 13 by the 3rd rotating shaft 15a and is connected.Draw spring 17 in and be arranged on opposite side（It is corresponding with one-way motors 16 Right side members or left-hand side part）On, it hangs the 14b of position hole one by spring and spring hangs the 15b of position hole two and is suspended on something or somebody to fall back on installations Between part 1 and locking member 13.When user starts motor switch, one-way motors 16 are flexed outward, drive something or somebody to fall back on installed parts 1 around First rotating shaft 3 is rotated, and promotes something or somebody to fall back on planks 10 to travel forward, and is drawn spring 17 in and is elongated, by user's head jack-up, Kao Toumu Plate 10 reaches the angle shown in Fig. 5, and unidirectional something or somebody to fall back on devices have just reached full open position；When the internal recovering of one-way motors 16 When, draw the contraction of spring 17 in and shorten, by something or somebody to fall back on planks 10 toward pulling back, when something or somebody to fall back on planks 10 reach the angle shown in Fig. 6, unidirectionally lean on Head device has just reached complete rounding state.Due to having used one-way motors 16, when something or somebody to fall back on is in complete rounding state or is receiving When during holding together, something or somebody to fall back on planks 10 can be pulled open manually, it is to avoid using being crushed accidentally, drastically increase security performance.

Every simple deformation of the present utility model or equivalent transformation, it is considered that fall into protection domain of the present utility model.

Claims (5)

1. a kind of unidirectional something or somebody to fall back on devices, including symmetrical left-hand side part, right side members, the left-hand side part, right side members are all provided with There are something or somebody to fall back on installed parts, yoke installed part and locking member, it is characterized in that：The something or somebody to fall back on installed parts are rotated with yoke installed part and are connected, Yoke installed part is fixedly mounted on backrest yoke, and something or somebody to fall back on installed parts are fixedly mounted on something or somebody to fall back on planks, locking member fixed installation On backrest yoke.

2. unidirectional something or somebody to fall back on devices according to claim 1, is characterized in that：It is additionally provided with one-way motors and draws spring in, it is single Corresponding side is separately mounted to motor, gathering spring, one-way motors, gathering spring are installed in something or somebody to fall back on installed parts with locking Between part.

3. unidirectional something or somebody to fall back on devices according to claim 2, is characterized in that：The gathering spring is symmetrical with one-way motors.

4. the unidirectional something or somebody to fall back on devices according to claims 1 to 3 any claim, is characterized in that：The something or somebody to fall back on installed parts Rotated by first rotating shaft with yoke installed part and be connected, one-way motors are arranged on a certain by the second rotating shaft, the 3rd rotating shaft respectively Between the something or somebody to fall back on installed parts of side and locking member, draw spring in and be suspended on separately by spring extension position hole one, spring extension position hole two respectively Between the something or somebody to fall back on installed parts of side and locking member.

5. unidirectional something or somebody to fall back on devices according to claim 4, is characterized in that：Second rotating shaft, the 3rd rotating shaft are using slotting Pin.