CN2735061Y

CN2735061Y - Fastened wood coupling mechanism for foot rest of swivel chair

Info

Publication number: CN2735061Y
Application number: CNU2004200923780U
Authority: CN
Inventors: 田中本; 鲍林松
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-14
Filing date: 2004-09-14
Publication date: 2005-10-19
Anticipated expiration: 2014-09-14

Abstract

The utility model discloses a fastened wood coupling mechanism for foot rest of swivel chair, composed of rectangular steel tubes, fastened woods, and clamp springs. A plurality of rectangular steel tubes are welded on a bracing ring, forming a foot rest of swivel chair. The fastened woods are long strip of decorating materials buckled on the rectangular steel tubes, and long strip of grooves opened downwardly are equipped on the fastened woods for completely covering the rectangular steel tubes. Gaps are left between the rectangular steel tubes and the both sides of the groove and the bottom of the groove. The clamp spring is made of the bending metal thread or metal plate, appearing in a reverse 'concave' letter shape of structure having no short cross in the interior, and inserted in the gap between the rectangular steel tubes and the grooves; the groove and rectangular steel tube of the fastened wood are coupled and fastened together by the elastic force produced by the extrusion deformation of the clamp spring acting on the both sides of them. The installation of the fastened wood coupling mechanism for foot rest of swivel chair is easy, the looseness is not easy to happen, and replacing the wood with the ceramic material to make fastened wood is convenient, for decreasing the use of the wood, reducing the cost and protecting the environment.

Description

Foot support for swivel chair is pounced on wooden coupling mechanism

Technical field

The utility model relates to Foot support for swivel chair and pounces on wooden coupling mechanism, more specifically to a kind of coupling mechanism of pouncing on wood that plays decorating action thereon as the square steel pipe and the button of Foot support for swivel chair.

Technical background

More present Foot support for swivel chair adopts linear square steel pipe to be evenly distributed on the swivel chair bottom and forms.For needs attractive in appearance, many coated with the strip wooden unit on the every square steel pipe, wood is pounced in common name in the industry, from top, both sides and terminal four aspects parcel square steel pipe.Pounce between wood and the square steel pipe and connect with fastening by penetrating square steel pipe from bottom to top and shooting some screws of pouncing on wood.Its deficiency is: must use machinery to re-use machinery or manpower after boring on the square steel pipe and tighten screw and just can finish assembling, and pounce on wood and square steel pipe connection is between the two become flexible easily.

The model utility content

The purpose of this utility model is to provide a kind of and need not to use machinery can finish assembling easily, and pounces on Foot support for swivel chair wooden and that square steel pipe is difficult for becoming flexible after the assembling between the two and pounce on wooden coupling mechanism.

For achieving the above object, solution of the present utility model is: a kind of Foot support for swivel chair is pounced on wooden coupling mechanism, by square steel pipe, pounce on wood and jump ring is formed.Described square steel pipe has some, and one way or another is welded on the bracing ring equably, forms Foot support for swivel chair.The described wood of pouncing on is for the strip ornament material, and being shaped on it to the cross section of under shed is the strip groove of square or rectangle, pounces on wood to utilize this groove to be covered in fully on the square steel pipe, and leave the gap between the both sides of square steel pipe and groove and bottom land.Described jump ring is made by the wire or the tinsel of bending, being the inside does not have " recessed " font of hyphen, be inlaid in the gap between square steel pipe and the groove both sides that rely on the elastic force that produces after the extrusion to act on to pounce on wooden groove and square steel pipe and both are connected and tighten together.

For reducing the use of timber, reduce cost, the protection environment, the wood of pouncing on of the present utility model is made with stupalith.

For making square steel pipe and pouncing between the wood and accurately locate, of the present utility model pouncing on is shaped on spacing muscle in the wooden groove.

For alleviating the intensity that guarantees to pounce on wood when pouncing on wooden weight, the wooden groove both sides of pouncing on of the present utility model are shaped on stiffening rib.

For jump ring is more stably located in pouncing on wooden groove, jump ring of the present utility model be not up-narrow and down-wide trapezoid shaped under the stress.

For increasing frictional force, the two that offsets with square steel pipe after the inside bending of the utility model jump ring is a saw tooth structure.

Compared with prior art, advantage of the present utility model is: this Foot support for swivel chair is pounced on wooden coupling mechanism and be need not to use machinery can finish assembling easily, and pounces between wood and the square steel pipe difficult loosening after the assembling.

Description of drawings

Fig. 1 is a STRUCTURE DECOMPOSITION schematic perspective view of the present utility model.

Fig. 2 is that component assemble the back from following observed structural representation among Fig. 1

In institute's drawings attached, the corresponding relation of component and numbering thereof is as follows: the 1-bracing ring; The 2-square steel pipe; The 3-jump ring; The 4-saw tooth structure; 5-pounces on wood; The 6-groove; The spacing muscle of 7-; The 8-stiffening rib.

Embodiment

Pounce in the wooden coupling mechanism at Foot support for swivel chair shown in the drawings, whole device by square steel pipe 2, pounce on wood 5 and jump ring 3 form.Pouncing on wood 5 is decorative elements of strip, is made by stupalith.Pouncing on that wood is shaped on to the cross section of under shed on 5 is the strip groove 6 of rectangle.For alleviate the weight of pouncing on wood 5 as far as possible, guarantee to pounce on the intensity of wood 5 simultaneously, present embodiment is shaped on plurality of strengthening ribs 8 in its groove 6 both sides as far as possible when reducing to pounce on wooden 5 thickness.In addition, in this groove 6, also be shaped on two spacing muscle 7, they are projected on the both sides and the bottom land of groove 6, form and the isometric wide depression in square steel pipe 2 cross sections, are 2 centimetres in the present embodiment and take advantage of 2 centimetres.On the limit of two spacing muscle 7, the jump ring of being made by 1.5 millimeters steel wires of bifilar diameter 3 has been installed, look along groove 6 directions of pouncing on wood 5, this jump ring 3 is " recessed " font that the inside does not have hyphen, it is similar to enclose size in its Outside Dimensions and the groove 6, and the central closing size and square steel pipe 2 length of sides are similar.More stably locate in groove 6 for making jump ring 3, jump ring 3 in the present embodiment is not in being installed to groove 6 time, promptly not under the stress, be up-narrow and down-wide trapezoidal, its top size equates that with groove 6 bottom lands its following size is wideer 3 to 4 millimeters than groove 6 openings, like this, after this jump ring 3 is pressed in the groove 6, the reaction force that will produce because of following compressive deformation and be positioned mounting point on spacing muscle 7 limits of groove 6 securely.In order to increase the frictional force between jump ring 3 and the square steel pipe 2, two of the jump ring 3 inside bendings in the present embodiment is made into saw tooth structure 4, and the minimum place of the spacing between the end of two is 1.6 centimetres to 1.8 centimetres, is slightly less than the length of side of square steel pipe 2.In the practical set of present embodiment, the wood 5 of pouncing on that operator will install jump ring 3 is anchored to sectional dimension and is 2 centimetres and takes advantage of on 2 centimetres the square steel pipe 2, make strip pounce on a wood end of 5 and the bracing ring 1 of swivel chair offsets, and finish watching full coverage square steel pipe 2 from top to down, simultaneously, also make square steel pipe 2 fall to being arranged in the depression of aforementioned spacing muscle 7 fully.At this moment, wire circlip 3 just is in square steel pipe on spacing muscle 7 limits 2 and pounces in the gap of groove 6 of wood 5, and further be out of shape because being subjected to the further extruding of square steel pipe 2, the saw tooth structure 4 that causes its two offsets with the both sides of square steel pipe 2, two sides of the steel wire of its peripheral both sides and the groove 6 of pouncing on wood 5 offset compresses Frotteurism mutually, thereby with square steel pipe 2, pounce on wood 5 and jump ring 3 self is linked together tightly.In production practices, square steel pipe 2 has 3 to 5 usually, and one way or another is welded on the bracing ring 1 equably, forms Foot support for swivel chair, and specifications such as the length of square steel pipe 2 and wall thickness are all the same.

Claims

1. a Foot support for swivel chair is pounced on wooden coupling mechanism, comprise and be welded on the bracing ring square steel pipe of forming Foot support for swivel chair and be covered on the square steel pipe the wood of pouncing on as decorative element, pounce on that to be shaped on the wood to the cross section of under shed be the strip groove of square or rectangle, square steel pipe is coated in this groove fully, it is characterized in that: between the both sides of square steel pipe and groove and bottom land, leave the gap, the jump ring of being made by wire or tinsel bending is inlaid in this gap, being the inside does not have " recessed " font structure of hyphen, the peripheral both sides of jump ring compress mutually with two sides of groove, and two of the inside bending of jump ring compresses mutually with the both sides of square steel pipe.

2. Foot support for swivel chair as claimed in claim 1 is pounced on wooden coupling mechanism, it is characterized in that: pounce on wood and make with stupalith.

3. Foot support for swivel chair as claimed in claim 1 is pounced on wooden coupling mechanism, it is characterized in that: pounce on and be shaped on spacing muscle in the wooden groove.

4. Foot support for swivel chair as claimed in claim 1 is pounced on wooden coupling mechanism, it is characterized in that: pounce on wooden groove both sides and be shaped on stiffening rib.

5. Foot support for swivel chair as claimed in claim 1 is pounced on wooden coupling mechanism, it is characterized in that: jump ring is up-narrow and down-wide trapezoidal under stress not.

6. Foot support for swivel chair as claimed in claim 1 is pounced on wooden coupling mechanism, it is characterized in that: two of the inside bending of jump ring is a saw tooth structure.