RU128083U1 - TIP PROTECTION FOR FOLDING COT - Google Patents

Abstract

1. Protection against tipping over of a folding couch containing a back frame (K) and a foot frame (Q), which are connected to each other by means of a folding device (N, 16, 20) and are arranged to fold over one another from the unfolded position for lying down in the folded position, while the back frame (K) in the lying position is held on the supporting legs (M) and using a lifting device (A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7) on the support frame (R), and the folding couch in the folded position is lowered by means of a lifting device into the support frame, characterized By the fact that on the lifting device (A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7) a hinge point (9) is provided, in which it protects against tipping over the spacer (H), which at its other end has a guide groove (V), which is fixed so that it can be shifted at the hinge point (13) of the folding device (N, 16, 20), while the hinge point (13) in the lying position is adjacent to the contact surface (U) of the guide groove (V), due to which the traction force acts on the hinge point (9) and thereby blocks under a removable device, and due to this, with a one-sided load (YY) of the back frame, tipping is prevented, and when lifting (VV) the foot frame (Q), the hinge point (13) is released until it fits against the contact surface (T) of the guide groove (V), due to which the traction force is no longer acting on the hinge point (9), and the lifting device can move freely, and this makes it possible to fold the foot frame (Q) onto the back frame (K) and lower it into the support frame (R) .2 . Rollover protection according to claim 1, characterized in that the ball

Description

2420-190892RU / 032

TIP PROTECTION FOR FOLDING COT

A utility model relates to tipping protection of a folding couch comprising a back frame and a foot frame, which are connected to each other by means of a folding device and are configured to fold over one another from the unfolded position to lie in the folded position, while the back frame is in the position for lying is supported on the support legs and with the help of a lifting device on the supporting frame, and the folding couch in the folded position is lowered by means of the lifting device into the supporting frame.

Various couches are known which can be unfolded into a laid out surface for lying from a closed folded position, respectively, a seating position. It is important that a folding couch when folded takes up very little space and provides the possibility of its simple folding and unfolding. For this, a kinematic chain of several spacers and hinges is provided for the purpose of lowering the surface frame to lie in the supporting frame when folded.

The patent application DE 10121763 A1 of the applicant describes furniture for sitting and lying, in which the frame of the surface for lying is composed of several partial frames on the head, middle, lower and foot section. These partial frames are connected using several hinges, with the aim of folding the individual frames on top of each other in a kinematic chain. Directions or hints for a distinctive improvement in the apparatus for preventing the danger of the frame tipping over when lying on the head end of the frame do not follow explicitly from this prior art.

In the description of the utility model DE 202010000275 U1 of the applicant, a folding couch with a locking mechanism is disclosed, in which the back frame and the foot frame are connected using a folding hinge, and the back frame is held on the support legs and by means of articulating transmission struts fixed to the swivel hinges on the main frame. The system of a guide metal sheet, a connecting metal sheet, a control metal sheet and two control fingers guided in respective guide grooves ensures that the folding hinge in the lying position of the folding couch is locked so that tipping is prevented when the back frame is unilaterally loaded. Directions or hints for a distinctive improvement of the articulating gear blocking device and thereby to prevent the risk of tipping over under load due to landing on the warhead do not follow explicitly from this prior art.

Therefore, the utility model is based on the task of such a protection against tipping over of the folding couch of the type indicated at the beginning, in which the kinematic chain of the hinges in the lying position is blocked so that the surface frame for lying under the load of the head part does not tip over, thereby preventing a source of danger due to landing on the head end.

This problem is solved using the characteristics of paragraph 1 of the utility model formula. Options for performing a utility model are indicated in the dependent claims of the utility model.

The folding couch has a head, back and foot frame, while the foot frame is connected to the back frame using a folding device. In the unfolded position for lying, the back frame is held on the central support legs and with the help of a lifting device from several spacers (rods) and hinges on the support frame. The head frame is connected to the dorsal frame using swivel joints, and the foot frame rests on other support legs.

As a protection against tipping, a tipping guard is provided, which is fixed at one end with the possibility of rotation on the pivot point of the lifting device. This pivot point made in the form of a hinge pin with end rivet heads is located on the second control strut of the lifting device. At its opposite end of the hinge point, the tipping guard has an elongated hole that is fixed to the hinge point of the folding device. In this case, one of both narrow sides of the elongated hole forms a contact surface for a hinge point of the folding device made in the form of a pin. The trunnion is stationary on the central hinge strut of the folding device and contains a locking ring on the opposite lying free end to fix the axial position of the elongated hole on the trunnion.

To prevent the folding frame from tipping over the dorsal frame over the lifting device when the head is loaded when the head end is loaded, the hinges of the lifting device are locked by means of a tipping guard. To do this, the pin fixed on the folding device is adjacent to the contact surface of the elongated hole that extends from the lifting device. As a result of this, the tipping guard protects the second control strut of the lifting device so that the struts and hinges of the lifting device are locked and the tipping of the back frame is prevented.

When the foot frame is lifted, the trunnion is released in the elongated hole of the tipping guard so that the trunnion slides along the long sides of the elongated hole until the trunnion rests on the contact surface of the elongated hole that faces the lifting device. Due to this, the tipping spacer no longer applies traction to the lifting device, so that the spacers and hinges of the lifting device are unlocked and the foot frame can be folded onto the back frame. In this position, the tipping guard does not have tipping protection anymore and the back frame can be tipped over by the force applied to the head end.

With the further movement of the lift, the foot and back frames of the folding couch, folded one above the other, are lowered by means of a lifting device into the support frame.

The following is an example of an explanation of a utility model based on preferred embodiments with reference to the accompanying drawings, which are schematically depicted:

Figure 1 is a preferred embodiment of the rollover protection, in isometric view;

Figure 2 - folding couch with tipping protection in the unfolded position for lying, in an isometric view;

Figure 3 - folding couch with tipping protection in a half-open position, in isometric view;

Figure 4 - folding couch with tipping protection in a closed folded position, in isometric view.

Figure 1 shows an isometric view of a preferred embodiment of the rollover protection.

The folding couch has a head frame E, which is connected via a swivel joint to the back frame K, and a foot frame Q, which is connected to the back frame K via the folding device N, 16, 20. The foot frame Q is supported by another support leg P, which is made with the possibility of folding using the hinge points 18. In the shown position for lying, the back frame is held on the central support legs M, which are made with the possibility of folding using the hinge points 19, and using composed of several spacers and hinges Hubsysteme Lifting devices A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7 on the base frame R.

A kinematic chain of several spacers and joints G, I, L, O, 8, 10, 11, 12, 14, 15, 17 supports folding the individual frames E, K, Q from the unfolded position to lie in a closed folded position and vice versa.

The rollover protection comprises a rollover protection N which is fixed at one end and can be rotated at the pivot point 9 of the lifting device A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7. Protecting against the tilting spacer H has at its opposite end point 9 an elongated hole V, which is fixed so that it can be shifted to the hinge point 13 located fixed on the folding device N, 16, 20.

Figure 2 shows a folding couch with tipping protection in the unfolded position. In this case, the head frame E, the back frame K, as well as the foot frame Q are in a horizontal position. The back frame K is held by means of a lifting device A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7, which is made up of several struts and hinges, on the support frame R and rests on the floor with its support legs M. The foot frame Q rests on another support leg P. In addition, the folding device N, 16, 20 is mounted horizontally.

It can be seen that the tipping guard N is fixed with a possibility of sliding with the hinge 13 on the folding device N, 16, 20, and the hinge point 13 is adjacent to the contact surface U of the elongated hole V. At this time, the tipping guard N applies traction force to the hinge point 9 of the lifting device A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7.

If, in this case, the load YY is applied to the head frame E, then the spacers and hinges of the lifting device A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7 cannot move, and therefore cannot The back frame K is tipped over. In accordance with this, tipping protection is provided if someone sits on the head frame E and the folding couch does not tip over, and at this time there is no longer a source of danger.

By raising VV of the foot frame Q, the hinge point 13 on the contact surface U of the elongated hole V is released, until it, due to the continued lifting of VV, is adjacent to the contact surface T of the elongated hole V. Accordingly, the tipping spacer H no longer applies traction force to the hinge point 9 of the lifting device A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7, and it is possible to fold the WW foot frame Q to the back frame K and lower the ZZ into the support frame R.

The hinge point 13 is made in the form of a journal, the free end of which contains a locking ring W. A locking ring W serves to fix the axial position of the movable elongated hole V on the journal 13.

Figure 3 shows a folding couch in a half-open position. In this case, the back frame K rests on the floor with its support legs M. In addition, the back frame using the lifting device A, B, C, D, F, 1, 2, 3, 4, 5, made up of several spacers and hinges 6, 7 is held on the support frame R. The head frame E, as well as the back frame K, are in a horizontal position.

You can see that the tipping spacer N is secured by a hinge point 13 to the folding device N, 16, 20, and the hinge point 13 abuts the contact surface T of the elongated hole V.

In this position, there is no rollover protection when an XX load is applied to the head frame E. The spacers and hinges of the lifting device A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7 will rotate, and in this time may be a source of danger.

Figure 4 shows a folding couch with tipping protection in the closed folding position. In this case, the head frame E and the folding device N, 16, 20 stand upright and the foot frame Q is folded over the back frame K. The frames E, K, Q of the folding couch are lowered into the support frame R by means of a lifting movement ZZ.

The tipping spacer N is secured by a hinge point 13 to the folding device N, 16, 20, and the hinge point 13 abuts against the contact surface T of the elongated hole V. To open the folding couch, raise the foot frame Q.

List of items

1 Hinge point between R and C

2 Hinge point between R and A

3 Hinge point between B and C

4 Hinge point between A and B and F

5 Hinge point between D and F

6 Hinge point between F and C and G

7 Hinge point between F and G and K

8 Hinge point between G and K

9 Hinge point between F and H

10 Hinge point between G and I

11 Hinge point between M and I

12 Hinge point between K and L

13 Hinge point between H and N

14 Hinge point between N and O

15 Hinge point between L and O

16 Hinge point between N and Q

17 Hinge point between P and O

18 Hinge point between P and Q

19 Hinge point between M and K

20 Hinge point between N and K

A Rear strut

B Connection spacer

C Front strut

D First control strut

E Head frame

F Second control strut

G Return strut

H Tipping guard

I Central control strut

K back frame

L Locking spacer

M Central support leg

N Central articulated strut

O Front control strut

P Front support leg

Q Foot frame

R Base frame

T First contact surface

U Second contact surface

V Guide groove

W Locking ring

VV raising the frame

WW Folding frame

XX Load without tipping protection

YY Load with tipping protection

ZZ Lift frame movement

Claims (6)

1. Protection against tipping over of a folding couch containing a back frame (K) and a foot frame (Q), which are connected to each other by means of a folding device (N, 16, 20) and are arranged to fold over one another from the unfolded position for lying down in the folded position, while the back frame (K) in the lying position is held on the supporting legs (M) and using a lifting device (A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7) on the support frame (R), and the folding couch in the folded position is lowered by means of a lifting device into the support frame, characterized By the fact that on the lifting device (A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7) a hinge point (9) is provided, in which it protects against tipping over the spacer (H), which at its other end has a guide groove (V), which is fixed so that it can be shifted at the hinge point (13) of the folding device (N, 16, 20), while the hinge point (13) in the lying position is adjacent to the contact surface (U) of the guide groove (V), due to which the traction force acts on the hinge point (9) and thereby blocks under a removable device, and due to this, with a one-sided load (YY) of the back frame, tipping is prevented, and when lifting (VV) the foot frame (Q), the hinge point (13) is released until it fits against the contact surface (T) of the guide groove (V), due to which the traction force no longer acts on the hinge point (9), and the lifting device can freely move, and this makes it possible to fold the foot frame (Q) onto the back frame (K) and lower it into the support frame (R). 2. Rollover protection according to claim 1, characterized in that the hinge point (9) is located on the second control strut (F) of the lifting device (A, B, C, D, F, 1, 2, 3, 4, 5, 6, 7). 3. Rollover protection according to claim 2, characterized in that the hinge point (9) is made in the form of a hinge pin, the free ends of which are expanded in the form of a rivet head. 4. Tipping protection according to claim 1, characterized in that the guide groove (V) is made in the form of an elongated hole, both narrow sides of which form contact surfaces (T, U) for the hinge point (13) of the device (N, 16, 20 ) folding. 5. Rollover protection according to claim 1, characterized in that the hinge point (13) is stationary on the central hinge spacer (N) of the folding device (N, 16, 20). 6. Rollover protection according to claim 5, characterized in that the hinge point (13) is made in the form of a pin, the free end of which contains a locking ring (W) for fixing the axial position of the elongated hole (V).

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