Folding frame for sofa

Abstract

The utility model discloses a sofa folding frame which comprises a base frame system and an extension system, a connecting piece is arranged between the extension system and the base frame system, the extension system and the base frame system are hinged through the connecting piece, and the extension system comprises a driving system and a sliding rail system. The extension system is guided and driven by the driving system and the sliding rail system, and rolling wheels are further arranged at the bottom of the extension system. The sofa folding frame provided by the utility model is wear-resistant and durable, and can move back and forth and stretch smoothly and accurately.

Description

TECHNICAL FIELD

[0001] The utility model belongs to intelligent furniture manufacturing technical field, especially relate to a sofa folding frame. BACKGROUND

[0002] Modern room layout advocates simplicity, and multi-functional furniture is becoming the choice of the public, and the folding sofa is one of them. The folding sofa can also be called a sofa bed, which generally refers to furniture that can be used as a sofa and a bed. Under normal circumstances, the folding sofa can be placed in the living room or study and used as a seat. If necessary, it can be unfolded into a bed for people to rest. In order to meet the use requirements of small-sized room, most of the folding sofas on the market are two-seater folding sofas. However, as users have more and more requirements for sofas, some users of large-sized rooms also require the sofa to have the function of unfolding into a bed. Such folding sofas suitable for large-sized rooms are usually three-seater or four-seater folding sofas, and the manually folded sofa frame obviously does not meet the needs of users, who need a sofa frame that can be folded intelligently. Therefore, it is necessary to provide an intelligent folding sofa frame. SUMMARY

[0003] In view of the problems mentioned in the background art, the utility model aims to provide a welding equipment for vehicle-mounted host computer radiator, so as to solve the problems mentioned in the background art.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A sofa folding frame comprises a base frame system and an extension system, a connecting piece is arranged between the extension system and the base frame system, and the extension system and the base frame system are hingedly connected through the connecting piece. The extension system comprises a driving system and a sliding rail system, and the extension system is guided and driven by the driving system and the sliding rail system. The bottom of the extension system is further provided with a roller.

[0006] Preferably, the bottom of the base frame system is provided with a plurality of supporting blocks.

[0007] Preferably, the sliding rail system comprises a guide rail and a pulley block arranged from outside to inside, the pulley block comprises a pulley one and a pulley two, the pulley one is arranged at the front and back ends of the pulley two, and the pulley one and the pulley two are arranged vertically.

[0008] Preferably, the driving system comprises a guide fixed block and a driving block, the driving system is connected with the base frame system through the guide fixed block, and the driving system is connected with the extension system through the driving block.

[0009] In summary, the utility model mainly has the following beneficial effects:

[0010] 1. By the setting of the support block, the base frame system can avoid direct contact with the face end of the use scene to avoid wear and tear, and also avoid friction noise caused by friction;

[0011] 2. By the setting of the connecting piece and the slide rail system, the extension system can move horizontally without running and shaking, thereby ensuring the precise horizontal movement of the sofa cushion or mattress and providing comfortable use for the customer;

[0012] 3. By the setting of the roller, the front and rear movement of the extension system is smooth. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is one of the perspective views of the utility model;

[0014] Figure 2 is the second perspective view of the utility model;

[0015] Figure 3 is one of the structural schematic views of the utility model;

[0016] Figure 4 is Figure 3 the structural schematic view of A;

[0017] Figure 5 is the second structural schematic view of the utility model. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 5 ,

[0019] The sofa folding frame described in the embodiment comprises a base frame system 1 and an extension system 2, the extension system 2 and the base frame system 1 are provided with a connecting piece 3, the extension system 2 and the base frame system 1 are hinged through the connecting piece 3, the extension system 2 comprises a driving system 4 and a slide rail system 5, the extension system 2 is guided and driven by the driving system 4 and the slide rail system 5, and the bottom of the extension system 2 is further provided with a roller 21.

[0020] Because the bottom of the base frame system 1 is provided with a plurality of support blocks 11, when the utility model is used by the user, the base frame system 1 can avoid direct contact with the face end of the use scene to avoid wear and tear, and also avoid friction noise caused by friction.

[0021] Because the slide rail system 5 includes guide rails 51 and pulley blocks 52 arranged from outside to inside, the pulley blocks 52 include pulley one 521 and pulley two 522, the pulley one 521 is arranged at the front and back ends of the pulley two 522, and the pulley one 521 and the pulley two 522 are arranged vertically, so when the user uses the utility model, the pulley two 522 is in contact with the upper and lower ends inside the guide rail 51 respectively, and the pulley one 521 is in contact with the left and right ends inside the guide rail 51, which realizes the stable horizontal forward and backward movement of the pulley block 52 in the guide rail 51, and also ensures that the pulley block 52 does not shake abnormally when sliding in the guide rail 51.

[0022] When the user uses the utility model, the extension system 2 is moved forward and backward by the pulley block 52, and the forward and backward movement of the extension system 2 is smooth through the arrangement of the roller 21.

[0023] Because the drive system 4 includes a guide fixed block 41 and a driving block 42, the drive system 4 is connected with the base frame system 1 through the guide fixed block 41, and the drive system 4 is connected with the extension system 2 through the driving block 42, so when the user uses the utility model, the extension system 2 can be moved horizontally forward and backward through the forward and reverse driving of the drive system 4.

[0024] When the user uses the utility model, the extension system 2 is moved horizontally forward and backward by the driving block 42 through the forward and reverse driving of the drive system 4, the use of the slide rail system 5 can ensure that the extension system 2 does not shake and derail when moving horizontally forward and backward, the connecting piece 3 will be unfolded when the extension system 2 moves forward, and the connecting piece 3 will be folded when the extension system 2 moves backward, and the use of the connecting piece 3 can further ensure that the extension system 2 does not shake and run out of position when moving forward and backward.

Claims

1. A sofa folding frame, characterized in that, The base frame system and the extension system are connected by a connecting piece, and the extension system and the base frame system are hinged by the connecting piece, the extension system includes a driving system and a slide rail system, the extension system is guided and driven by the driving system and the slide rail system, and the bottom of the extension system is further provided with a roller.

2. The sofa folding frame according to claim 1, wherein, The bottom of the base frame system is provided with a plurality of supporting blocks.

3. The sofa folding frame according to claim 1, wherein, The slide rail system includes a guide rail and a pulley block arranged from outside to inside, the pulley block includes a pulley one and a pulley two, the pulley one is arranged at the front and rear ends of the pulley two, and the pulley one and the pulley two are vertically arranged.

4. The sofa folding frame according to claim 1, wherein, The driving system includes a guide fixed block and a driving block, the driving system is connected with the base frame system through the guide fixed block, and the driving system is connected with the extension system through the driving block.

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