CN205083025U - Chair leg strengthening rib - Google Patents

Abstract

The utility model relates to a household furniture processing field, specific chair leg strengthening rib that says so. Simple process is produced through the integrated into one piece that moulds plastics to the strengthening rib, has shortened production cycle greatly. Pack small, greatly reduced the cost of transportation. The connected mode of chair leg and strengthening rib is simple, the quick assembly of being convenient for. In main atress direction, strengthening rib and chair leg pass through support piece to be connected, and different with in the past through the point connection formula of putting of bolt fastening, joint strength is higher, bearing capacity is better.

Description

A kind of chair leg reinforcement

Technical field

The utility model relates to household furniture manufacture field, specifically a kind of chair leg reinforcement.

Background technology

Current Plastic chair generally adopts the mode of injection moulding integrated molding to produce, and because the appearance and size of chair is large, requires higher in production process to mould structure design.By the Plastic chair of injection moulding integrated molding, in later transportation of dispatching from the factory, take that volume is large, cost of transportation is high.The chair leg material of Plastic chair is general thinner, and during use, weight capacity is relatively weak.In addition, the material of plastics makes the outward appearance of chair improve grade not as wooden chair air, and plastics cannot be degraded simultaneously, not environmental protection large to ambient influnence.

Wooden chair has good weight capacity and exterior decorative effect.But wooden chair needs to produce separately each parts and assembles, complex manufacturing, produce long in time limit.The screw that connected mode between each parts of wood chair is mainly single-point connects, and screw is directly beaten on timber, and the stressed deformed threads that makes causes connection insecure for a long time; The screw broken down can not be repaired, and result in the waste of timber resources.

Utility model content

Technical purpose of the present utility model is to provide a kind of chair leg reinforcement, solves the problems of the prior art.The technical solution of the utility model is as follows:

A kind of chair leg reinforcement, is characterized in that: described reinforcement, by injection moulding integrated molding, comprises supporter and crossbeam; Described crossbeam connects described supporter corresponding to adjacent chair leg.Described reinforcement is by injection moulding integrated molding, and manufacturing process is simple, and fabrication cycle is short.The installation that described supporter is corresponding with chair leg is combined, and connects each chair leg.

As preferably, described reinforcement arranges V-arrangement location claw, and described V-arrangement location claw comprises the calvus being separately positioned on described supporter both sides.Described V-arrangement location claw is laterally blocking chair leg, prevents described reinforcement from producing relative movement, and increases the weight capacity of described chair.

As preferably, the cross section of described crossbeam is U-shaped or L-type.

As preferably, described crossbeam comprises reinforcement face, step face and mounting groove; Described reinforcement face is mutually vertical with described step face, described in be arranged between described reinforcement face and described mounting groove.

As preferably, the top edge of described calvus is with higher than the top edge of described supporter.When installation, between described calvus and described supporter, form the shape of indent, be not easy between described reinforcement and chair leg to produce displacement, install more convenient.

As preferably, the lower limb of described calvus is with lower than the lower limb of described supporter.When installation, between described calvus and described supporter, form the shape of indent, be not easy between described reinforcement and chair leg to produce displacement, install more convenient.

As preferably, calvus described in one of them arranges the second bolt hole.Described calvus and chair leg are bolted, and make connection more firm.

Disclosed in the utility model, a kind of chair leg reinforcement has following beneficial effect: reinforcement is by injection moulding integrated molding, and production technology is simple, substantially reduces the production cycle.Packaging volume is little, greatly reduces cost of transportation.The connected mode of chair leg and reinforcement is simple, is convenient to assemble fast.At main Impact direction, reinforcement is connected by support member with chair leg, and difference is connected with the point be bolted in the past the formula of putting, and bonding strength is higher, weight capacity is better.

Accompanying drawing explanation

Fig. 1 is the overall structure figure of chair;

Fig. 2 is the assembling schematic diagram of chair;

Fig. 3 is connector top view;

Fig. 4 is connector upward view;

Fig. 5 is chair leg structural representation;

Fig. 6 is reinforcing rib structure schematic diagram;

Fig. 7 is reinforcement resolution chart;

Fig. 8 is the structural representation of mounting nuts;

Fig. 9 is the structural representation of hold-down nut.

Detailed description of the invention

Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.

As shown in Figure 1: a kind of chair, comprise wooden chair leg 1, seat 2, assemble multiple chair leg 1 and connect seat 2 the connector 3 by injection moulding integrated molding, by injection moulding integrated molding and connect the reinforcement 4 of each chair leg 1.Chair leg 1 top arranges chair leg installation portion 11 and is connected with connecting portion 3, arranges seat installation portion 21 and be connected with connector 3 bottom seat 2, and connector 3 arranges the lower installation portion 31 corresponding with chair leg installation portion 11 and installs 21 corresponding upper installation portions 32 with seat.

Lower installation portion 31 is provided with location structure 312, installs bolt hole corresponding to passage 113 311 with bolt.Upper location structure 312 can be groove or projection.Chair leg installation portion 11 comprises mounting nuts 111, for placing the nut cavity 112 of mounting nuts 111, passage 113 installed by bolt, nut places passage 114 and lower location structure 115.Lower location structure 115 mates with upper location structure 312.If upper location structure 312 is groove, corresponding lower location structure 115 is protruding.If upper location structure 312 is protruding corresponding lower location structure 115 is groove.Lower location structure 115 is positioned at above nut cavity 112, and arrange through hole connection nut cavity 112 in lower location structure 115 and form bolt installation passage 113, nut places the side that passage 114 is arranged on nut cavity 112.The connectivity part that passage 113 installed by nut cavity 112 and bolt forms installing hole, and the connectivity part that nut cavity 112 and nut place passage 114 forms putting hole.The mounting nuts 111 of metal material is placed in nut cavity 112.Mounting nuts 111 comprises screwed hole 1111 and auxiliary mounting groove 1112.Screwed hole 1111 communicates with installing hole, and bolt is put into screwed hole 1111 by bolt installation passage 113 and installed.Auxiliary mounting groove 1112 is arranged on mounting nuts 111 outer surface towards putting hole side.Auxiliary mounting groove 1112 is convenient to mate with straight screwdriver or Phillips screwdriver for in-line or criss-cross groove, place passage 114 by screwdriver through nut mounting nuts 111 is pushed in nut cavity 112, and prevent when construction bolt mounting nuts 111 from rotating.

Chair leg 1 arranges reinforcement installation portion 12 inside middle and lower part, reinforcement installation portion 12 comprise be arranged on below stress surface 121, be arranged on confined planes 122, fixed part 123 above described stress surface.Stress surface 121 and confined planes 122 are parallel to each other, and fixed part 123 is arranged on below stress surface 121.

Reinforcement 4 is a closed straight-flanked ring, comprises supporter 41, crossbeam 42, V-arrangement location claw.Supporter 41 and V-arrangement location claw are positioned at four drift angle places of straight-flanked ring, and crossbeam 42 forms the four edges of straight-flanked ring.The supporter 4 of adjacent chair leg 1 is fixedly connected with by crossbeam 42; The thickness of supporter 41 is slightly less than the distance between stress surface 121 and confined planes 122, and supporter 4 is arranged between stress surface 121 and confined planes 122 just.V-arrangement location claw comprises the calvus 431 being separately positioned on supporter 41 both sides, and one of them calvus 431 arranges the second bolt hole 4311 and is connected with fixed part 123 bolt.The top edge of calvus 431 is higher than the top edge of supporter 41, the lower limb of calvus 431 and the lower limb of supporter 41 low.Crossbeam 42 comprises reinforcement face 421, step face 422 and mounting groove 423.The cross section of crossbeam 42 is U-shaped, U-shaped opening down formation mounting groove 423; U-shaped two planes be parallel to each other are step face 422; U-shaped bottom surface is reinforcement face 421, and each chair leg is strained in reinforcement face 421 in side.

Fixed part 123 comprises hold-down nut 1231, installs passage 1233 and the second nut placement passage 1234 for the second nut cavity 1232, second bolt placing hold-down nut 1231; Second bolt is installed passage 1233 and is communicated with calvus 431 and fixed part 123; It is vertical that passage 1233 installed by second nut placement passage 1234 and the second bolt.Second nut cavity 1232 has the second installing hole 12321 leading to the second bolt installation passage 1232 and the second putting hole 12322 leading to the second nut placement passage 1234.It is corresponding that passage 1233 installed by second bolt hole 4311 and the second bolt.Hold-down nut 1231 comprises the second screwed hole and the second auxiliary mounting groove, and screwed hole communicates with the second installing hole 12321, and the second auxiliary mounting groove is arranged on hold-down nut 1231 outer surface towards the second putting hole 12322 side.

The connector 3 of the present embodiment, reinforcement 4 and seat 2 all adopt the mode of injection moulding integrated molding to produce, and chair leg 1 is produced by simple mechanical system.

First by supporter 41 Matching installation at the reinforcement installation portion 12 of each chair leg 1 and reinforcement 4 four angles when installing: snapped in by supporter 41 between stress surface 121 and confined planes 122, the V-arrangement of both sides is determined claw and is stuck in outside fixed part 123.Hold-down nut 1231 is placed into the second nut cavity 1232 by the second auxiliary mounting groove the second nut placement passage 1234 from the side that hold-down nut 1231 put into by screwdriver.Bolt the second bolt mounting holes 12321 is from the side put into and installs.Be assembled together with the upper location structure 312 of seat 3 by the lower location structure 115 of chair leg 1, mounting nuts 112 is placed into nut cavity 112 by the auxiliary mounting groove 1112 nut placement passage 114 from the side that mounting nuts 111 put into by screwdriver.Bolt is put into from the bolt mounting holes 113 of top and installs.Finally the installation projection 211 of an installation portion is put into mounting groove 321, realize the connection of seat 2 and connector 3.

Installation process is convenient succinct, as the corresponding parts of replacement after chair leg and connector damage.Increased chair life-span, reduce maintenance cost.The more important thing is, achieve the recycling of parts, particularly saved a large amount of timber and achieved the recycling of timber, met the theory of environmental protection.

Although describe embodiments of the present invention by reference to the accompanying drawings, those of ordinary skill in the art can make various distortion or amendment within the scope of the appended claims.

Claims (6)

1. a chair leg reinforcement, is characterized in that: described reinforcement is the straight-flanked ring by injection moulding integrated molding, comprises supporter and crossbeam; Described crossbeam connects described supporter corresponding to adjacent chair leg.

2. a kind of chair leg reinforcement according to claim 1, is characterized in that: described reinforcement arranges V-arrangement location claw, and described V-arrangement location claw comprises the calvus being separately positioned on described supporter both sides.

3. a kind of chair leg reinforcement according to claim 1, is characterized in that: the cross section of described crossbeam is U-shaped or L-type.

4. a kind of chair leg reinforcement according to claim 2, is characterized in that: the top edge of described calvus is with higher than the top edge of described supporter.

5. a kind of chair leg reinforcement according to claim 2, is characterized in that: the lower limb of described calvus is with lower than the lower limb of described supporter.

6. a kind of chair leg reinforcement according to claim 2, is characterized in that: calvus described in one of them arranges the second bolt hole.