Sofa frame with stable support

Abstract

The utility model relates to a sofa frame, in particular to a sofa frame capable of being stably supported. The sofa frame capable of supporting stably comprises a side frame, an arc-shaped plate, a guide rod, a first compression spring, a sleeve, a connecting plate and the like, side frames are arranged on the left side and the right side of the back frame, semicircular holes are formed in the sides, facing the back frame, of the two side frames, the semicircular holes are matched with the two sides of the sofa cushion in shape, three arc-shaped plates distributed vertically are connected into the semicircular holes in the side frames, guide rods are arranged on the arc-shaped plates, and the arc-shaped plates and the guide rods are in sliding connection with the side frames. Sleeves are sleeved with the side frames and located on the outer sides of the guide rods. Through the design of the semicircular holes in the side frames and the cooperation of the arc-shaped plates, the guide rods and the first compression springs, the sofa cushion is easy to mount and dismount and convenient to clean and replace, and meanwhile, the arc-shaped plates are in close contact with the left side and the right side of the sofa cushion under the action of the first compression springs, so that the sofa cushion is reinforced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sofa frame especially supports firm sofa frame. BACKGROUND

[0002] The sofa is the furniture that modern house is commonly used, provides comfortable rest space, usually by firm frame and soft cushion composition, the cloth or leather is covered, is applicable to the parlor, bedroom etc. The sofa frame is the basic structure of sofa, is mainly responsible for supporting the shape of sofa and guaranteeing the stability of sofa.

[0003] The existing sofa frame fixes the sofa cushion through the screw, and people need to use a screwdriver to install and disassemble the sofa cushion, which is relatively cumbersome, and long-term use or frequent stress can cause the screw on the sofa to gradually loosen, affecting the stability and safety of the sofa. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings that the existing sofa frame fixes the sofa cushion through the screw, needs to use the screwdriver to install and disassemble, the operation is cumbersome, and long-term use can cause the screw to loosen, affecting the stability and safety of the sofa, the utility model provides a sofa frame that supports firm.

[0005] The technical scheme of the utility model is: a sofa frame that supports firm, including side frame, arc plate, guide rod, first compression spring, sleeve, connecting plate, bottom frame, guide rail plate and back frame, the back frame is equipped with side frame on both sides, the side frame is opened on one side of the back frame, the semicircular hole is matched with the shape of the sofa cushion on both sides, the semicircular hole on the side frame is connected with three arc plates which are distributed in an up-down manner, the arc plate is equipped with a guide rod, the arc plate and the guide rod are slidably connected with the side frame, the sleeve is sleeved in the side frame and located outside the guide rod, the first compression spring is connected between the arc plate and the sleeve, the connecting plate is arranged on the end of the guide rod away from the sleeve, the three guide rods are connected with the connecting plate, the bottom frame is connected between the two side frames, the guide rail plate is arranged on both sides of the bottom frame, and the sliding groove is opened on the side frame, and the bottom frame is slidably connected in the sliding groove on the side frame through the guide rail plate.

[0006] In one embodiment, it further includes a limiting plate, and the rectangular hole is opened on the outside of the two side frames, and the two limiting plates are slidably arranged in the two rectangular holes.

[0007] In one embodiment, it further includes a screw rod, a nut and a supporting leg, the nut is arranged in the bottom frame and penetrates the bottom frame, the screw rod is threadedly connected in the nut, and the supporting leg is arranged at the bottom of the screw rod.

[0008] In one of the embodiments, an L-shaped column and a second compression spring are further included, a groove is formed at the front end of the sliding groove, the L-shaped column is slidably arranged in the groove, the second compression spring is connected between the vertical section of the L-shaped column and the bottom of the groove, a square hole is formed in the groove, and the horizontal section of the L-shaped column penetrates through the square hole.

[0009] In one of the embodiments, a guide column is further included, the guide column is arranged on the back frame, a plurality of round holes are formed at the top of the side frame, and the guide column is matched with the round holes.

[0010] In one of the embodiments, a sofa leg is further included, the sofa leg is arranged at the bottom of each side frame.

[0011] Beneficial effects are as follows: 1. The sofa cushion is easily installed and disassembled, and is convenient to clean and replace, and the arc-shaped plate is in close contact with the left and right sides of the sofa cushion under the action of the first compression spring, so that the sofa cushion is reinforced.

[0012] 2. The height of the supporting leg can be adjusted, so that the sofa can be kept stable and stable on uneven ground. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0014] Figure 2 It is a partial sectional view of the utility model.

[0015] Figure 3 It is an enlarged view of the limiting plate, the guide rod and the connecting plate of the utility model.

[0016] Figure 4 It is an enlarged view of the L-shaped column and the second compression spring of the utility model.

[0017] Figure 5 It is a three-dimensional structure schematic view of the sleeve, the first compression spring and the arc-shaped plate of the utility model.

[0018] Figure 6 It is a three-dimensional structure schematic view of the screw rod, the nut and the supporting leg of the utility model.

[0019] Figure 7 It is an explosion view of the back frame and the guide column of the utility model.

[0020] In the accompanying drawings: 1-sofa cushion, 2-side frame, 201-arc plate, 202-guide rod, 203-first compression spring, 204-sleeve, 205-limiting plate, 206-connecting plate, 3-back frame, 4-bottom frame, 401-screw, 402-nut, 403-support leg, 5-slide groove, 501-guide plate, 502-L-shaped column, 503-second compression spring, 6-guide column, 7-sofa foot, 8-groove, 9-square hole. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] A sofa frame with a stable support, such as Figures 1-7 As shown, it includes a side frame 2, an arc-shaped plate 201, a guide rod 202, a first compression spring 203, a sleeve 204, a connecting plate 206, a bottom frame 4, a guide plate 501 and a back frame 3. The back frame 3 is provided with side frames 2 on both sides. The side frames 2 facing the back frame 3 are provided with semicircular holes. The semicircular holes match the shape of the sofa cushions 1 on both sides. The semicircular holes on the side frames 2 are connected to three arc-shaped plates 201 distributed in an upper and lower manner. The edge of the arc-shaped plate 201 is the same arc shape as the semicircular hole. A guide rod 202 is provided on the arc-shaped plate 201. The arc-shaped plate 201 and the guide rod 202 are both connected to the side frames. 2 sliding connection, a sleeve 204 is sleeved inside the side frame 2 and the sleeve 204 is located outside the guide rod 202, a first compression spring 203 is connected between the arc plate 201 and the sleeve 204, a connecting plate 206 is provided at one end of the guide rod 202 away from the sleeve 204, and the three guide rods 202 are all connected to the connecting plate 206, a bottom frame 4 is connected between the two side frames 2, and guide plates 501 are provided on the left and right sides of the bottom frame 4, and a sliding groove 5 is opened on each of the two side frames 2, and the sliding groove 5 is located at the bottom of the two side frames 2 facing the back frame 3, and the bottom frame 4 is slidably connected to the sliding groove 5 on the side frame 2 through the guide plate 501.

[0023] like Figure 3 As shown, it also includes a limit plate 205, and rectangular holes are provided on the outer sides of the two side frames 2. The two limit plates 205 are slidably arranged in the two rectangular holes respectively. Handles are provided on the outer sides of the two limit plates 205 to facilitate users to manually operate the limit plates 205.

[0024] like Figure 6 As shown, it also includes a screw 401, a nut 402 and a support leg 403. The nut 402 is provided in the bottom frame 4 and passes through the bottom frame 4. The screw 401 is connected to the inner thread of the nut 402, and a support leg 403 is provided at the bottom of the screw 401.

[0025] like Figure 4As shown, it also includes L-shaped column 502 and second compression spring 503, and the front end of the sliding groove 5 is provided with a groove 8, the L-shaped column 502 is slidably arranged in the groove 8, the vertical section of the L-shaped column 502 is connected with the bottom of the groove 8 through the second compression spring 503, the groove 8 is provided with a square hole 9, and the horizontal section of the L-shaped column 502 penetrates through the square hole 9.

[0026] As shown in the drawings, Figure 7 As shown, it also includes guide column 6, the bottom of the back frame 3 is provided with the guide column 6, the top of the side frame 2 is provided with a plurality of round holes, and the round holes are matched with the guide column 6, and the back frame 3 can be precisely connected with the round holes on the side frame 2 through the guide column 6.

[0027] As shown in the drawings, Figure 1 As shown, it also includes sofa legs 7, and the bottom of the two side frames 2 is provided with the sofa legs 7.

[0028] The horizontal section of the L-shaped column 502 is pulled down, the L-shaped column 502 is moved downward, then the bottom frame 4 is inserted into the sliding groove 5, the horizontal section of the L-shaped column 502 is released, the L-shaped column 502 is moved upward to the top of the sliding groove 5 under the action of the second compression spring 503, and the bottom frame 4 is prevented from sliding out of the sliding groove 5, then the sofa cushion 1 is inserted between the two side frames 2 through the semicircular holes in the side frame 2, initially, the limiting plate 205 and the connecting plate 206 abut against the surface of one side of the sleeve 204, and the first compression spring 203 is in a compressed state, after the sofa cushion 1 is placed, the limiting plate 205 located outside the side frame 2 is moved, so that the limiting plate 205 no longer clamps the connecting plate 206, under the action of the first compression spring 203, the three arc-shaped plates 201 on the two side frames 2 are moved away from the sleeve 204, and are in contact with the left and right sides of the sofa cushion 1 respectively, so as to reinforce the sofa cushion 1. If the sofa cushion 1 is to be disassembled, it is only necessary to pull the connecting plate 206, pull the arc-shaped plate 201 back into the side frame 2, and then move the limiting plate 205 back to block the connecting plate 206, and then pull the sofa cushion 1 out of the semicircular hole in the side frame 2. The supporting legs 403 can also be installed on the bottom frame 4 to further support the sofa cushion 1, and the sofa frame can be unstable or shaken on uneven ground, so the height of the supporting legs 403 can be adjusted by rotating the screw rod 401 before the sofa cushion 1 is inserted, so as to ensure that the sofa frame is stable and firm.

[0029] The above only describes the embodiment of the present application and is not used to limit the present application. Any equivalent replacement within the principle of the present application shall be included in the protection scope of the present application. The content not described in detail in the present application belongs to the prior art known by the technical personnel in the field.

Claims

1. A sofa frame with stable support, characterized by: The back frame (3) comprises a side frame (2), an arc-shaped plate (201), a guide rod (202), a first compression spring (203), a sleeve (204), a connecting plate (206), a bottom frame (4), a guide plate (501) and a back frame (3). The back frame (3) is provided with side frames (2) on both sides. The side of each side frame (2) facing the back frame (3) is provided with a semicircular hole. The semicircular hole matches the shape of the two sides of the sofa cushion (1). Three arc-shaped plates (201) distributed in an upper and lower manner are connected to the semicircular holes on the side frame (2). The arc-shaped plates (201) are provided with guide rods (202). The arc-shaped plates (201) and the guide rods (202) are both slidably connected to the side frames (2). The side frame (2) is provided with a sleeve (204) inside and the sleeve (204) is located outside the guide rod (202). A first compression spring (203) is connected between the arc plate (201) and the sleeve (204). A connecting plate (206) is provided at one end of the guide rod (202) away from the sleeve (204). The three guide rods (202) are all connected to the connecting plate (206). A bottom frame (4) is connected between the two side frames (2). Guide rail plates (501) are provided on the left and right sides of the bottom frame (4). A sliding groove (5) is provided on each of the two side frames (2). The bottom frame (4) is slidably connected to the sliding groove (5) on the side frame (2) through the guide rail plate (501).

2. A sofa frame with stable support according to claim 1, characterized in that: It also includes a limiting plate (205), and rectangular holes are provided on the outer sides of the two side frames (2), and the two limiting plates (205) are respectively slidably arranged in the two rectangular holes.

3. The sofa frame with stable support according to claim 2, characterized in that: The invention also includes a screw rod (401), a nut (402) and a support leg (403). The nut (402) is provided in the bottom frame (4), and the nut (402) passes through the bottom frame (4). The screw rod (401) is connected to the inner thread of the nut (402). The support leg (403) is provided at the bottom of the screw rod (401).

4. A sofa frame with stable support according to claim 3, characterized in that: It also includes an L-shaped column (502) and a second compression spring (503), a groove (8) is opened at the front end of the slide (5), an L-shaped column (502) is slidably provided in the groove (8), a second compression spring (503) is connected between the vertical section of the L-shaped column (502) and the bottom of the groove (8), a square hole (9) is opened in the groove (8), and the horizontal section of the L-shaped column (502) passes through the square hole (9).

5. The sofa frame with stable support according to claim 4, characterized in that: The back frame (3) is provided with a guide post (6), and a plurality of circular holes are opened on the top of the side frame (2), and the guide post (6) fits in the circular holes.

6. The sofa frame with stable support according to claim 5, characterized in that: It also includes sofa feet (7), and the bottoms of the two side frames (2) are both provided with sofa feet (7).

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