CN201388634Y

CN201388634Y - Bi-fold umbrella ribs folding joint

Info

Publication number: CN201388634Y
Application number: CN200820170075U
Authority: CN
Inventors: 金祚献
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2010-01-27
Anticipated expiration: 2018-12-18

Abstract

The utility model relates to a bi-fold umbrella ribs folding joint, which mainly comprises a main rib U-shaped sleeve and a tail rib joint. The tail rib joint is hinged with the main rib U-shaped sleeve in a fastening way under the elasticity of the plastics. A plugging hole of the main rib U-shaped sleeve is fixedly connected with a main rib. The rail rib joint is provided with a projection which is matched with a U-shape groove, and a plugging hole of the tail rib joint is fixedly connected with a tail rib. By adopting a rivet-free structure, the bi-fold umbrella ribs folding joint has simple and firm structure, low cost, high production efficiency, beauty appearance and small size after being folded.

Description

A kind of two folding umbrella bone folding joints

Technical field

The utility model belongs to umbrella frame accessory technical field, is specifically related to a kind of rib folding joint of eighty percent discount umbrella.

Background technology

Present umbrella umbrella frame can be divided into two kinds, metal umbrella frame and nonmetal umbrella frame, and nonmetal umbrella frame adopts plastics and fibrous material be combined into mostly.The joint of metal is an one with umbrella frame mostly, but this connected mode complicate fabrication process, and get rusty easily, the technology that two umbrella frames are connected is also more loaded down with trivial details.Therefore there is the people to connect the loaded down with trivial details problem of technology in order to overcome this metal umbrella frame, such scheme has been proposed, as Chinese patent: " the folding umbrella bone joint (98203430.x) of improvement ", it mainly is to be provided with one with the two joint that mutually combines between the round main rib of umbrella frame and groove main rib, this joint is to constitute with the nonmetallic materials one, the upper surface of one end forms the sidepiece that is provided with relative and the adjacent and slit of slit and two, wherein this slit is interior for an end of round main rib is installed with, and an end of this round main rib also is hubbed on the both sides; The in addition end face of this joint forms and is provided with the corresponding slot that inserts of a groove main rib, and does not run through the rivet that upper and lower surface and groove main rib outwards break away from the restriction groove main rib on this joint.Though this scheme has been made joint separately, and adopted nonmetallic materials to make, but junction surface on the fixing and round main rib in this structure between groove main rib and the joint and hinged two places between the joint have all used rivet, and packaging technology still is loaded down with trivial details time-consuming, and cost is also high; Moreover the hinged rivet of round main rib junction surface and joint is puted forth effort the strong point as round main rib and groove main rib when umbrella frame launches, the top, joint nail hole of impelling rivet to pass is big with umbrella cloth contact-making surface place plastics wall thickness, thereby the distance of the drop between this contact-making surface and groove main rib, the round main rib three is big, after umbrella struts, high salient point occurs in the joint, influence the overall appearance of umbrella greatly.

Summary of the invention

Goal of the invention of the present utility model is the two folding umbrella bone folding joints that characteristics such as will provide a kind of and do not have that rivet arrangement is simple firmly, cost is low, production efficiency is high, the umbrella volume after the attractive in appearance and folding is little.

Above-mentioned goal of the invention is achieved through the following technical solutions: a kind of two folding umbrella bone folding joints, it mainly comprises main bone U-shaped cover, coccyx joint composition.The coccyx joint is hinged by the elasticity and the main bone U-shaped cover buckle-type of plastics.Described main bone U-shaped is arranged with U-lag, be provided with pivoted hole in its both sides, above pivoted hole, be provided with the inclined guide groove of guide function, and be provided with the buckle piece in the outer end of U-lag both sides, be provided with block face, have the square groove that connects with U-lag in the bottom of U-lag in the U-lag inboard, main bone U-shaped cover body position installs fluted, suture groove, the suture groove is provided with salient point for the solid umbrella cloth of seam in the U-lag outermost end, and the jointing holes of main bone U-shaped cover is fixedlyed connected with main bone.

Described coccyx joint is provided with the projection that cooperates with U-lag, the both sides that it is characterized in that projection are provided with the projection that the pivoted hole that puts with main bone U-shaped cooperates, the oblique surface that cooperates with the inclined guide groove of main bone U-shaped cover is arranged on the projection, the front end of projection has salient point, thereby the block face that the block face of formation and U-lag inboard cooperatively interacts and resists, the jointing holes of coccyx joint is fixedlyed connected with coccyx.

The inclined guide groove that puts by the corresponding main bone U-shaped of the oblique surface on the projection is pressed into projection in the pivoted hole by the elasticity of plastics, the coccyx joint is stuck in the U-lag, thereby the coccyx joint can rotate in U-lag around projection.

When needs are opened umbrella, so in rotation, can not form interference with main bone U-shaped cover because of main bone U-shaped puts the salient point that has on the square groove coccyx joint, the coccyx joint is outwards reversed, coccyx joint body portion easily snaps in the U-lag bottom by the buckle piece of elasticity of plastics extrusion U-lag both sides, at this moment the block face of block face on the coccyx joint and U-lag inboard resists mutually to form and stops, the body portion formation strong point that the salient point of main bone U-shaped cover also resists the coccyx joint stops, unfurl an umbrella, because of coccyx joint and main bone U-shaped cover are in the clip state, support whole umbrella thereby make whole umbrella support and umbrella cloth form tension force;

When umbrella is folding, umbrella support tension force disappears, only need artificially the coccyx joint upwards to be pulled open from the U-lag bottom easily, the coccyx joint squeezes to be opened the buckle piece and rotate the groove that overlaps body portion position with main bone U-shaped around projection and be close to folding, and the salient point of main bone U-shaped cover snaps in when folding in the sleeve of umbrella handle and makes the folding back folding of whole umbrella volume littler, is convenient to packed and transported.

Adopted above technical scheme rib folding of the present utility model joint to have following advantage: 1. projection snaps in the hinged simplified structure of buckle-type in the pivoted hole and has replaced existingly by the hinged loaded down with trivial details structure of rivet, improves assembling speed, saves cost; 2. the body portion of main bone U-shaped cover block face and the resistance mutually of coccyx joint block face, projection and pivoted hole and coccyx joint and the salient point of U-lag front end form three strong points increases the fastness of coccyx joint and main bone U-shaped cover clip greatly, thereby can accomplish the plastics wall thickness between pivoted hole top and the umbrella cloth contact-making surface the thinnest, reduced the drop distance between this contact-making surface and coccyx, the main bone three, the projection at main bone U-shaped cover place after umbrella is strutted is mild, improves the overall appearance of umbrella; 3. the groove of coccyx joint and main bone U-shaped cover body portion position is close to foldingly, and the salient point of main bone U-shaped cover snaps in when folding in the sleeve of umbrella handle and make the folding back folding of whole folding umbrella volume littler, makes the umbrella body smaller and more exquisite, also saves the packed and transported cost; 4. main bone U-shaped cover is fixed on the main bone by the direct injection moulding of mould of plastics, the coccyx joint also is to be fixed on the coccyx by the direct injection moulding of mould of plastics, saved prior art and will use the fixedly connected loaded down with trivial details technology of rivet, significantly improved production efficiency, also provided cost savings.

Description of drawings

Fig. 1: the utility model is applied to the user mode schematic diagram on two folding umbrella bones

A place the utility model zoomed-in view of Fig. 2: Fig. 1

Fig. 3: the utility model three-dimensional exploded view

Fig. 4: the utility model deployed condition schematic diagram

Fig. 5: the utility model folded state schematic diagram

Fig. 6: main bone U-shaped cover front view in the utility model

The A-A cutaway view of Fig. 7: Fig. 6

The stereogram one of Fig. 8: Fig. 6

The stereogram two of Fig. 9: Fig. 6

Figure 10: the front view of coccyx joint in the utility model

The vertical view of Figure 11: Figure 10

The B-B cutaway view of Figure 12: Figure 10

The stereogram of Figure 13: Figure 10

Among Fig. 1-13: 1-master's bone U-shaped cover, 1.1-U shape groove, 1.2-pivoted hole, 1.3-inclined guide groove, 1.4-buckle piece, 1.5-block face, 1.6-square groove, 1.7-groove, 1.8-suture groove, 1.9-salient point, 1.10-jointing holes; 2-coccyx joint, 2.1-projection, 2.2-projection, 2.3-oblique surface, 2.4-salient point, 2.5-block face, 2.6-jointing holes; 3-master's bone, the 4-coccyx.

The specific embodiment

By Fig. 1-13 expression be the utility model one embodiment, a kind of two folding umbrella bone folding joints, it comprises that mainly main bone U-shaped cover 1, coccyx joint 2 form.It is hinged that coccyx joint 2 overlaps 1 buckle-type by the elasticity of plastics and main bone U-shaped.Described main bone U-shaped cover 1 (shown in Fig. 6-9) is provided with U-lag 1.1, be provided with pivoted hole 1.2 in its both sides, above pivoted hole 1.2, be provided with the inclined guide groove 1.3 of guide function, and be provided with buckle piece 1.4 in U-lag 1.1 outer end both sides, be provided with block face 1.5 in U-lag 1.1 inboards, have the square groove 1.6 that connects with U-lag 1.1 in the bottom of U-lag 1.1, main bone U-shaped overlaps 1 body position and installs fluted 1.7, suture groove 1.8, suture groove 1.8 is for the solid umbrella cloth of seam, be provided with salient point 1.9 in U-lag 1.1 outermost end, the jointing holes 1.10 of main bone U-shaped cover 1 is fixedlyed connected with main bone 3.

Described coccyx joint 2 (shown in Figure 10-13) is provided with the projection 2.1 that cooperates with U-lag 1.1, the both sides that it is characterized in that projection 2.1 are provided with the projection 2.2 that cooperates with pivoted hole 1.2 on the main bone U-shaped cover 1, the oblique surface 2.3 that cooperates with the inclined guide groove 1.3 of main bone U-shaped cover 1 is arranged on the projection 2.2, the front end of projection 2.1 has salient point 2.4, thereby the block face 2.5 that the block face 1.5 of formation and U-lag 1.1 inboards cooperatively interacts and resists, the jointing holes 2.6 of coccyx joint 2 is fixedlyed connected with coccyx 4.

By the elasticity of the inclined guide groove 1.3 on the 2.3 corresponding main bone U-shaped covers 1 of the oblique surface on the projection 2.2 projection 2.2 is pressed in the pivoted hole 1.2 by plastics, coccyx joint 2 is stuck in the U-lag 1.1, thereby coccyx joint 2 can rotate in U-lag 1.1 around projection 2.2.

When needs are opened umbrella (as shown in Figure 4), because of so the salient point 2.4 that has on the main bone U-shaped cover 1 on the square groove 1.6 coccyx joints 2 can not form interference with main bone U-shaped cover 1 in rotation, coccyx joint 2 is outwards reversed, coccyx joint 2 body portions easily snap in U-lag 1.1 bottoms by the buckle piece 1.4 of elasticity of plastics extrusion U-lag 1.1 both sides, at this moment the block face on the coccyx joint 2 2.5 stops with the block face 1.5 mutual resistance formation of U-lag 1.1 inboards, the body portion formation strong point that the salient point 1.9 of main bone U-shaped cover 1 also resists coccyx joint 2 stops, unfurl an umbrella, because of coccyx joint 2 and main bone U-shaped cover 1 are in the clip state, support whole umbrella thereby make whole umbrella support and umbrella cloth form tension force;

When umbrella is folding (as shown in Figure 5), umbrella support tension force disappears, only need artificially coccyx joint 2 upwards to be pulled open from U-lag 1.1 bottoms easily, the coccyx joint 2 crowded buckle pieces 1.4 of opening are close to folding around projection 2.2 rotations with the groove 1.7 that main bone U-shaped overlaps 1 body portion position, and the salient point 1.9 of main bone U-shaped cover 1 snaps in when folding in the sleeve of umbrella handle and makes the folding back folding of whole umbrella volume littler, is convenient to packed and transported.

The utility model is not subjected to the restriction of the above embodiments, and specific embodiment described herein only is that the utility model spirit is illustrated.Do not breaking away from spirit of the present utility model or surmounting under the defined scope prerequisite of appended claims; the utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, these modifications or replenish or adopt similar mode to substitute and all fall in claimed the utility model scope.

Claims

1. folding umbrella bone folding joint, it comprises that mainly main bone U-shaped cover, coccyx joint form, it is hinged to it is characterized in that the coccyx joint overlaps buckle-type by the elasticity of plastics and main bone U-shaped; The jointing holes of described main bone U-shaped cover is fixedlyed connected with main bone; Described coccyx joint is provided with the projection that cooperates with U-lag, and the jointing holes of coccyx joint is fixedlyed connected with coccyx.

2. a kind of two folding umbrella bone folding joints according to claim 1, it is characterized in that described main bone U-shaped is arranged with U-lag, be provided with pivoted hole in its both sides, above pivoted hole, be provided with the inclined guide groove of guide function, and be provided with the buckle piece in the outer end of U-lag both sides, be provided with block face in the U-lag inboard, main bone U-shaped cover body position has installed the suture groove, the suture groove is provided with salient point for the solid umbrella cloth of seam in the U-lag outermost end.

3. a kind of two folding umbrella bone folding joints according to claim 1, it is characterized in that projection both sides on the coccyx joint are provided with the projection that the pivoted hole that puts with main bone U-shaped cooperates, the oblique surface that cooperates with the inclined guide groove of main bone U-shaped cover is arranged on the projection, the front end of projection has salient point, thus the block face that the block face of formation and U-lag inboard cooperatively interacts and resists.

4. according to claim 1 or 2 or 3 described a kind of two folding umbrella bone folding joints, it is characterized in that the bottom of U-lag has the square groove that connects with U-lag, make the salient point on the coccyx joint in rotation, can not form interference with main bone U-shaped cover.

5. according to claim 1 or 2 or 3 described a kind of two folding umbrella bone folding joints, it is characterized in that main bone U-shaped cover body position installs fluted, the groove of coccyx joint and main bone U-shaped cover body portion position is close to folding, and the salient point of main bone U-shaped cover snaps in the sleeve of umbrella handle when folding.

6. according to claim 1 or 2 or 3 described a kind of two folding umbrella bone folding joints, it is characterized in that main bone U-shaped cover is fixed on the main bone by the direct injection moulding of mould of plastics, the coccyx joint also is to be fixed on the coccyx by the direct injection moulding of mould of plastics.

7. according to claim 1 or 2 or 3 described a kind of two folding umbrella bone folding joints, it is characterized in that the body portion of main bone U-shaped cover block face and the resistance mutually of coccyx joint block face, projection and pivoted hole and coccyx joint and three strong points of salient point formation of U-lag front end increase the fastness of coccyx joint and main bone U-shaped cover clip greatly, thereby the plastics wall thickness between pivoted hole top and the umbrella cloth contact-making surface can be accomplished the thinlyyest, reduced the drop distance between this contact-making surface and coccyx, the main bone three.