An adjustable movable sofa seat frame and sofa base assembly

Abstract

The utility model discloses a movable adjustable sofa seat frame and sofa base assembly, include: two fixed strips and two horizontal strips, two fixed strips are along the first direction interval parallelly arranged, two horizontal strips are along the second direction parallel between two fixed strips, and the first direction is perpendicular to the second direction arrangement, and the horizontal strip is telescopic link structure, and the both ends of horizontal strip are connected with two fixed strips respectively, and the horizontal strip is along the interval of self extension direction and is equipped with a plurality of spring connecting structures. When using, according to the functional sofa of different width size, the length of horizontal strip is adjusted, to adjust the width of seat frame, make seat frame do telescopic adaptation, improve versatility, and through spring connecting structure to fix installation to arc spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field, especially a movable adjustable sofa seat frame and sofa base assembly. BACKGROUND

[0002] The functional sofa seat frame with the bow spring on the market at present exists in two forms: the first is single chair functional sofa seat frame, the seat frame on the single chair is rectangular square tube or U-shaped square tube, and the bow spring is buckled in the hole on the upper part of the tube; the second is the functional seat frame of combined sofa, the seat frame is the left and right two bent pieces fixed strips, needs to be fixed on the left and right two bent piece fixed strips according to the fixed length of two horizontal strips, is fixed on the seat frame iron sheet at the front end and rear end of the seat frame respectively, then the bow spring is hooked on the horizontal strip to realize fixed installation, the second sofa seat frame structure is generally adopted at present, but the width of sofa function iron frame is not only one size for different combined sofa types, needs to be matched with horizontal strips of different size, and different horizontal strips need to be produced for different sizes of seat frames during production and processing, which is troublesome and has poor adaptability. SUMMARY

[0003] The utility model aims at providing a movable adjustable sofa seat frame and sofa base assembly to solve one or more technical problems in the prior art and at least provide a beneficial choice or create conditions.

[0004] The technical scheme adopted to solve the above technical problems is as follows:

[0005] The utility model provides a movable adjustable sofa seat frame, which comprises:

[0006] Two fixed strips are arranged in parallel along a first direction;

[0007] Two horizontal strips are arranged in parallel along a second direction between the two fixed strips, the first direction is perpendicular to the second direction, the horizontal strip is a telescopic rod structure, two ends of the horizontal strip are connected to the two fixed strips respectively, and a plurality of spring connecting structures are arranged in the horizontal strip along the extension direction of the horizontal strip.

[0008] The movable adjustable sofa seat frame has the following beneficial effects:

[0009] During use, the length of the horizontal strip is adjusted according to the functional sofa of different width sizes to adjust the width of the seat frame, so that the seat frame is adapted to stretch and retract, the universality is improved, and the bow spring is fixed and installed through the spring connecting structure.

[0010] As a further improvement of the above technical solution, the horizontal bar includes an outer tube, an inner tube and a locking mechanism. The outer tube and the inner tube are telescopically sleeved together, and the locking mechanism is used to lock the relative position between the outer tube and the inner tube.

[0011] As a further improvement of the above technical solution, the plurality of spring connection structures include a number of adjustable spring connection structures, and the adjustable spring connection structures are arranged at adjustable positions along the horizontal bar.

[0012] As a further improvement of the above technical solution, the adjustable spring connection structure is detachably mounted on the horizontal bar.

[0013] As a further improvement of the above technical solution, the plurality of spring connection structures further include a number of fixed spring connection structures. The number of fixed spring connection structures are arranged at intervals on the outer tube, and the number of adjustable spring connection structures are arranged at intervals on the inner tube.

[0014] As a further improvement of the above technical solution, the fixed spring connection structure includes a fixed spring hook fixed to the outer wall of the outer tube;

[0015] The adjustable spring connection structure includes a sliding frame slidably mounted on the inner tube and an adjustable spring hook mounted on the sliding frame.

[0016] As a further improvement of the above technical solution, strip-shaped holes are respectively provided on both side walls of the inner tube. The cross-section of the sliding frame is in a "冂" shape. The sliding frame is sleeved on the inner tube. Through holes opposite to the strip-shaped holes are respectively provided on both side walls of the sliding frame. The through holes are connected with adjusting bolts. After the adjusting bolts pass through the through holes on both sides and the strip-shaped holes, they are connected with adjusting nuts. The adjusting bolts are slidably mated with the strip-shaped holes.

[0017] As a further improvement of the above technical solution, a first fixing piece is provided at one end of the outer tube away from the inner tube. The first fixing piece is connected to one of the fixing strips. A second fixing piece is provided at one end of the inner tube away from the outer tube. The second fixing piece is connected to the other fixing strip.

[0018] As a further improvement of the above technical solution, the locking mechanism includes at least one nut seat fixed on the side wall of the outer tube and at least one locking bolt threadedly connected to the nut seat. At least one through hole opposite to the nut seat is provided on the side wall of the outer tube. The locking bolt passes through the nut seat and the through hole and abuts against the inner tube.

[0019] In addition, the utility model also provides a sofa base assembly, including the movable adjustable sofa seat frame, still include a plurality of arc springs, a plurality of the arc springs distribute between two the crosspieces, both ends of the arc spring are connected with the spring connecting structure respectively.

[0020] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further explained below combining with the drawings and examples;

[0022] Figure 1 It is the structure schematic diagram of an embodiment of sofa base assembly provided by the utility model;

[0023] Figure 2 It is the structure schematic diagram of crosspiece provided by the utility model Figure 1 ;

[0024] Figure 3 It is the structure schematic diagram of crosspiece provided by the utility model Figure 2 ;

[0025] LIST OF ELEMENTS IN THE DRAWINGS

[0026] Fixed strip 100;

[0027] Crosspiece 200;Outer tube 210;Nut seat 211;First fixed sheet 212;Inner tube 220;Strip-shaped hole 221;Second fixed sheet 222;Locking bolt 230;Fixed torsion 231;

[0028] Arc spring 300;

[0029] Adjustable spring connecting structure 400;Sliding frame 410;Adjusting bolt 411;Adjusting nut 412;Adjustable spring hook 420;

[0030] Fixed spring connecting structure 500;

[0031] Fixed spring hook 510. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0033] In the description of the utility model, it is understood that the orientation description, such as the orientation or positional relationship of the indication such as upper and lower, is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0034] In the description of the utility model, more refers to two or more. If the first, second is described, it is only for the purpose of distinguishing technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0035] In the description of the utility model, unless otherwise specified, the words such as setting, installation and connection should be understood in a broad sense, and the skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0036] The technical scheme of the utility model will be described clearly and completely in combination with the drawings. Obviously, the following described embodiments are part of the embodiments of the utility model, not all embodiments.

[0037] At present, the functional sofa seat frame with the bow spring 300 on the market exists in two forms:

[0038] Single chair functional sofa seat frame, the seat frame on the single chair is a rectangular square tube or a U-shaped square tube, a hole is opened on the upper surface of the tube, and the bow spring 300 is buckled in the hole;

[0039] The functional iron frame of the combined sofa, the seat frame is a left and right two bent piece iron sheet, which needs to be fixed on the left and right iron sheets according to the fixed length of the horizontal bar 200, and is fixed on the seat frame iron sheet at the front end and the rear end of the seat frame respectively, and then the bow spring 300 is hooked on the horizontal bar 200 to fix the bow spring 300.

[0040] In the prior art, the functional iron frame of the combined sofa type has more than one size of the width of a model of sofa functional iron frame, so it is necessary to match the bow spring 300 iron sheet with different lengths according to the multiple width sizes of the iron frame, which is troublesome to process and has poor adaptability, therefore the utility model provides an adjustable sofa seat frame, which solves the difficulty of adapting to functional iron frames with multiple width sizes.

[0041] As Figure 1As shown, the movable sofa seat frame of the embodiment comprises two fixing bars 100 and two horizontal bars 200, wherein the two fixing bars 100 are arranged in parallel along a first direction, and the two horizontal bars 200 are arranged in parallel along a second direction between the two fixing bars 100.

[0042] Specifically, the first direction is the left-right direction, and the second direction is the front-back direction, the fixing bars 100 extend along the front-back direction, the two fixing bars 100 are arranged in parallel along the left-right direction, the horizontal bars 200 extend along the left-right direction, and the two horizontal bars 200 are arranged in parallel along the front-back direction. The fixing bars 100 of the embodiment are in the structure of bent iron sheet, and the horizontal bars 200 are in the structure of telescopic rod, and the horizontal bars 200 can be freely telescoped along the left-right direction. In other embodiments, the first direction can be the front-back direction, and the second direction can be the left-right direction, and different directions can be set according to actual installation requirements.

[0043] As shown in Figure 2 and 3 As shown, the horizontal bar 200 of the embodiment comprises an outer tube 210, an inner tube 220 and a locking mechanism. The outer tube 210 and the inner tube 220 are telescopically connected together to realize length adjustment of the horizontal bar 200, and the locking mechanism is used to lock the relative position between the outer tube 210 and the inner tube 220 to lock the length of the horizontal bar 200.

[0044] The locking mechanism of the embodiment comprises at least one locking bolt 230 which is threadedly connected to the side wall of the outer tube 210. The locking bolt 230 abuts against the outer wall of the inner tube 220 after penetrating through the side wall of the outer tube 210 to realize locking of the relative position between the outer tube 210 and the inner tube 220.

[0045] In order to improve the stability of locking, the locking bolt 230 of the embodiment is provided with three locking bolts. In other embodiments, the locking bolt 230 can be provided with other numbers.

[0046] In addition, in order to avoid the phenomenon of thread slipping of the locking bolt 230, a nut seat 211 is fixed to the side wall of the outer tube 210. The side wall of the outer tube 210 is provided with at least one through hole (not shown in the figure) which is arranged opposite to the nut seat 211. The locking bolt 230 abuts against the inner tube 220 after penetrating through the nut seat 211 and the through hole. The locking bolt 230 is threadedly connected to the nut seat 211 to improve the structural strength of the thread connection of the locking bolt 230.

[0047] In order to facilitate operation, the locking bolt 230 of the embodiment is connected with a fixed wrench 231. When the telescopic length of the horizontal bar 200 is adjusted, the fixed wrench 231 can be used to drive the locking bolt 230 to rotate.

[0048] In other embodiments, the locking mechanism adopts the locking mode of the bolt, and the embodiment can achieve telescopic stepless adjustment through the locking bolt 230, and the adjustment range is wider.

[0049] As shown in Figure 2 and Figure 3 , the outer tube 210 is connected with the first fixed sheet 212 away from the one end of the inner tube 220, the outer tube 210 is connected with one of the fixed strips 100 through the first fixed sheet 212, and the inner tube 220 is connected with the second fixed sheet 222 away from the one end of the outer tube 210, and the inner tube 220 is connected with the other fixed strip 100 through the second fixed sheet 222, and it can be understood that after the length of the cross strip 200 is adjusted, the outer tube 210 and the inner tube 220 are connected with the fixed strips 100 on both sides through the first fixed sheet 212 and the second fixed sheet 222 respectively, and the first fixed sheet 212 and the second fixed sheet 222 of the embodiment are fixedly connected with the fixed strips 100 on both sides through screws, so as to facilitate disassembly and assembly.

[0050] The left and right ends of the cross strip 200 of the embodiment are connected with the two fixed strips 100 through the first fixed sheet 212 and the second fixed sheet 222 respectively, so as to form a rectangular seat frame, according to different width sizes of the functional sofa, the length of the cross strip 200 is adjusted to adjust the width of the seat frame, so that the seat frame is telescopic and adaptive, and the universality is improved.

[0051] In other embodiments, the outer tube 210 and the inner tube 220 can be directly fixed on the fixed strip 100 through screws.

[0052] Furthermore, the cross strip 200 of the embodiment is provided with a plurality of spring connecting structures along the extension direction thereof, the spring connecting structures are used for connecting and fixing the arc springs 300, when installed, a plurality of arc springs 300 are arranged at a set interval in the left-right direction between the two cross strips 200, and the front end and the rear end of the arc spring 300 are connected to the spring connecting structures of the two cross strips 200 respectively.

[0053] Further, as shown in Figure 2 and Figure 3 , the plurality of spring connecting structures of the utility model comprise a plurality of adjustable spring connecting structures 400, wherein the adjustable spring connecting structures 400 are adjustably arranged along the cross strip 200, and it can be understood that according to the width of the seat frame and the actual processing requirement, the distance between the adjacent adjustable spring connecting structures 400 is adjusted to adjust the interval of the arc springs 300.

[0054] In some embodiments, the adjustable spring connecting structure 400 is detachably installed on the cross strip 200, and the number of the adjustable spring connecting structures 400 is increased or reduced according to the requirement, so that the number of the arc springs 300 is increased or reduced.

[0055] Further, for the convenience of production and manufacturing, the plurality of spring connection structures further include a plurality of fixed spring connection structures 500. Among them, as Figure 2 and Figure 3 shown, the plurality of fixed spring connection structures 500 are arranged at intervals on the outer tube 210, and the plurality of adjustable spring connection structures 400 are arranged at intervals on the inner tube 220. It can be understood that the spring connection structures located on the inner tube 220 are adjustable in position, while the spring connection structures located on the outer tube 210 are fixed.

[0056] The fixed spring connection structure 500 of this embodiment includes a fixed spring hook 510 fixed to the outer wall of the outer tube 210. The fixed spring hook 510 is fixed to the top of the outer tube 210 by welding. The adjustable spring connection structure 400 includes a sliding frame 410 slidably installed on the top of the inner tube 220 and an adjustable spring hook 420 fixedly installed on the sliding frame 410. In this embodiment, the adjustable spring hook 420 is slidably adjusted with the inner tube 220 through the sliding frame 410. When in use, the bow-shaped spring 300 can be connected through the fixed spring hook 510 and the adjustable spring hook 420.

[0057] Both the inner tube 220 and the outer tube 210 of this embodiment are profile structures. Strip-shaped holes 221 extending left and right are provided on the front and rear side walls of the inner tube 220. The cross-section of the sliding frame 410 is in the shape of "冂". Through holes (not shown in the figure) are respectively provided on the front and rear side walls of the sliding frame 410. The through holes are arranged opposite to the strip-shaped holes 221. The strip-shaped holes 221 are connected with adjustment bolts 411 extending forward and backward. The adjustment bolts 411 pass through the through holes on both sides and the strip-shaped holes 221 and are connected with adjustment nuts 412. The adjustment bolts 411 are slidably matched with the strip-shaped holes 221 to lock the sliding frame 410 and realize detachable installation. When adjusting the sliding frame 410, loosen the adjustment nut 412 to make the adjustment bolt 411 slide along the strip-shaped hole 221, and then tighten the adjustment nut 412 after adjusting to the set position.

[0058] In some other embodiments, the adjustable spring hook 420 can be installed on the inner tube by a slide rail to achieve sliding adjustment.

[0059] Furthermore, in some other embodiments, the crossbar 200 is only provided with an adjustable spring connecting structure 400, and the inner tube 220 and the outer tube 210 are respectively provided with adjustable spring connecting structures 400, but without a fixed spring connecting structure 500. Alternatively, the fixed spring connecting structure 500 is provided on the inner tube 220, while the adjustable spring connecting structure 400 is provided on the outer tube 210. In this embodiment, the fixed spring connecting structure 500 is provided on the outer tube 210, while the adjustable spring connecting structure 400 is provided on the inner tube 220. This way, after the extension and retraction length of the inner tube 220 is adjusted, the adjustable spring connecting structure 400 on the inner tube 220 can be adjusted to match the distance between the adjustable spring connecting structure 400 and the fixed spring connecting structure 500.

[0060] In addition, such as Figure 1 As shown, this utility model also proposes a sofa base assembly, including the above-mentioned movable and adjustable sofa seat frame, and also including multiple bow-shaped springs 300. The multiple bow-shaped springs 300 are arranged at intervals in the left-right direction in the seat frame, and the bow-shaped springs 300 extend in the front-back direction. The front and rear ends of the bow-shaped springs 300 are respectively connected to the spring connection structure on the two horizontal bars 200.

[0061] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0062] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A movable adjustable sofa seat frame, characterized in that, The utility model relates to a sofa seat frame with adjustable activity, which comprises: two fixing strips arranged in parallel along a first direction; two horizontal strips arranged in parallel along a second direction between the two fixing strips, the first direction being perpendicular to the second direction, the horizontal strips being telescopic rod structures, the two ends of the horizontal strips being connected to the two fixing strips respectively, and the horizontal strips being provided with a plurality of spring connecting structures at intervals along the extension direction of the horizontal strips.

2. The sofa seat frame with adjustable activity according to claim 1, wherein: the horizontal strips comprise an outer tube, an inner tube and a locking mechanism, the outer tube and the inner tube being telescopically connected together, and the locking mechanism being used for locking the relative position between the outer tube and the inner tube.

3. The sofa seat frame with adjustable activity according to claim 2, wherein: the plurality of spring connecting structures comprise a plurality of adjustable spring connecting structures, the adjustable spring connecting structures being arranged at adjustable positions along the horizontal strips.

4. The sofa seat frame with adjustable activity according to claim 3, wherein: the adjustable spring connecting structures are detachably mounted on the horizontal strips.

5. The sofa seat frame with adjustable activity according to claim 4, wherein: the plurality of spring connecting structures further comprise a plurality of fixed spring connecting structures, the plurality of fixed spring connecting structures being arranged at intervals on the outer tube, and the plurality of adjustable spring connecting structures being arranged at intervals on the inner tube.

6. The sofa seat frame with adjustable activity according to claim 5, wherein: the fixed spring connecting structures comprise fixed spring hooks fixed on the outer wall of the outer tube; the adjustable spring connecting structures comprise a sliding frame slidably mounted on the inner tube and an adjustable spring hook mounted on the sliding frame.

7. The sofa seat frame with adjustable activity according to claim 6, wherein: the two side walls of the inner tube are respectively provided with a strip-shaped hole, the sliding frame has a "H" shaped cross section, the sliding frame is sleeved on the inner tube, the two side walls of the sliding frame are respectively provided with a through hole arranged opposite to the strip-shaped hole, an adjusting bolt is connected to the through holes and the strip-shaped holes, and an adjusting nut is connected to the adjusting bolt after the adjusting bolt passes through the two side walls.

8. The sofa seat frame with adjustable activity according to claim 2, wherein: one end of the outer tube away from the inner tube is provided with a first fixing plate, the first fixing plate is connected to one of the fixing strips, and one end of the inner tube away from the outer tube is provided with a second fixing plate, the second fixing plate is connected to the other fixing strip.

9. The sofa seat frame with adjustable activity according to claim 2, wherein: the locking mechanism comprises at least one nut seat fixed on the side wall of the outer tube and at least one locking bolt threadedly connected to the nut seat, the side wall of the outer tube is provided with at least one through hole arranged opposite to the nut seat, and the locking bolt abuts against the inner tube after passing through the nut seat and the through hole.

10. A sofa base assembly characterized in that, The active adjustable sofa seat frame as claimed in any one of claims 1 to 9, further comprising a plurality of arc springs, the arc springs being arranged between the two horizontal bars, and the two ends of each arc spring being connected to the spring connecting structure.

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