CN203081944U

CN203081944U - Pipe fitting connector

Info

Publication number: CN203081944U
Application number: CN 201220576502
Authority: CN
Inventors: 韩涛; 柴俊麟
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-04
Filing date: 2012-11-04
Publication date: 2013-07-24
Anticipated expiration: 2022-11-04

Abstract

The utility model discloses a fastening piece, in particular to a pipe fitting connector used for connecting and fastening a plurality of rods or pipe fittings. The pipe fitting connector comprises a base and at least one shell, wherein the base is provided with a plurality of connecting parts with a quantity corresponding to that of shells, and the shells and the shapes of the inner surfaces of the connecting parts correspond to the shapes of the outer surfaces of connected pipe fittings and can be coated on the pipe fittings; and the inner surfaces of the shells are provided with connecting pins which are inwards extended, and the connecting parts of the base are provided with corresponding connecting holes. The pipe fitting connector has the advantages of artful structural design, stable connection, convenience in mounting/dismounting and attractive appearance.

Description

A kind of pipe connecting component

Technical field

The utility model relates to a kind of connection fastening piece, relates in particular to a kind of being used for complex root bar or pipe fitting are connected and fastening pipe connecting component.

Background technique

The various furniture that is combined into all kinds of bars and pipe fitting is seen everywhere, as assembled cabinet, furnishings frame and combination canopy etc.This furniture that combines by bar or pipe fitting has assembling, convenient disassembly, is convenient to transportation and advantage such as takes in.In long-term using process, people have proposed more and more higher requirement to pipe connecting component: need enough join strength and steadiness on the one hand, to satisfy the long-term usage requirement of various combined furniture; On the other hand, assemble and need to satisfy quick, convenient, simple to operate and requirement such as can dismantle repeatedly.Traditional pipe connecting component as various two logical, threeway, four-way pipe etc., generally adopts thread connecting mode, between pipe fitting and the link cooperate with screw be screwed to motionless till, this Placement be difficult to control connecting tube towards.At present, visible on the market a kind of split type pipe connecting component, coat the pipe fitting connection part by the two halves housing, be locked with screw again, thereby finish the connection of pipe fitting and fastening, as being that " 201120191045.3 ", name are called that disclosed pipe connecting component promptly adopts this form in the Chinese model utility file of " a kind of pipe fitting connecting head " in the patent No..This pipe connecting component has overcome partial technical problems of the prior art to a certain extent, but, still have following defective: 1, link is lumped together by two and half sheets and constitutes, pipe fitting on all directions connects jointly by this link, in case fastener bolt is loosening, will influence by pipe fitting on all directions of its connection; 2, the intensity of Lian Jieing is still waiting further raising.

Summary of the invention

The utility model is at the problems referred to above of the prior art, but provides separate connection on a kind of all directions, connect the pipe connecting component of firm, easy to assembly and repeated disassembled and assembled, and profile is more attractive in appearance.For this reason, the utility model adopts following technological scheme:

A kind of pipe connecting component, it is characterized in that: comprise base and at least one housing, on described base, have quantity and the corresponding joint of housing quantity, the inner surface configuration of housing and joint and connecting tube external surface shape are corresponding and can be coated on the described pipe fitting, internal surface at housing has the connecting pin that inwardly stretches out, and has corresponding attachment hole on the joint of base.

Further, the joint of described base and housing can coat one week of pipe fitting.

Further, described housing is provided with projection, and joint is provided with corresponding groove.

Further, the quantity of described housing is 2-4, and corresponding on base have a 2-4 joint, base and each joint structure that is formed in one.

Further, the quantity of described housing and joint respectively is two, be respectively first housing and first joint, second housing and second joint, second joint is arranged at axially axial vertical with first joint of the outer surface of first joint and its, on the outer surface of first joint, the joint of second joint forms first outwardly directed, the step-like convex edge, form corresponding second convex edge in the bottom of second housing, second convex edge can be stretched in the connecting groove of below, first convex edge formation.

Further, the quantity of described housing and joint respectively is three, be respectively first housing and first joint, second housing and second joint, the 3rd housing and the 3rd joint, second, the 3rd joint is arranged at the outer surface and second of first joint, axially axially vertical in twos with first joint respectively of the 3rd joint, on the outer surface of first joint, the joint of second and third joint forms outwardly directed respectively, the first step-like convex edge, second, corresponding second convex edge is formed on the bottom of the 3rd housing, and second convex edge can be stretched in the connecting groove of below, first convex edge formation.

Further, the quantity of described housing and joint respectively is four, be respectively first housing and first joint, second housing and second joint, the 3rd housing and the 3rd joint, the 4th housing and the 4th joint, second, the 3rd, the 4th joint is arranged at the outer surface and second of first joint, the 3rd, axially axially vertical in twos with first joint respectively of the 4th joint, on the outer surface of first joint, second, the joint of the 3rd and the 4th joint forms outwardly directed respectively, the first step-like convex edge, second, corresponding second convex edge is formed on the bottom of the 3rd and the 4th housing, and second convex edge can be stretched in the connecting groove of below, first convex edge formation.

As preferably, described attachment hole is the invaginating attachment hole, and this attachment hole forms a circle hole wall at the inner side surface of joint, and the height of this hole wall equals the terminal perpendicular distance to the joint inner side surface of connecting pin.

As preferably, described base and housing adopt plastics, aluminum alloy, zinc alloy, titanium alloy, copper casting or cast iron quality to make.

Pipe connecting component of the present utility model, adopt the combination of base and several housings, on base, have quantity and the corresponding joint of housing quantity, internal surface at housing has the connecting pin that inwardly stretches out, on the joint of base, have corresponding attachment hole, wherein, the basic linkage unit that pipe fitting is connected that is combined as of housing and a joint, separate between a plurality of basic linkage units.During use, the pipe fitting that need are connected places the joint of base, covers corresponding housing, and screw is screwed in screw-internal thread fit (tube wall of connecting tube has corresponding hole) with connecting pin from the connection hole, tightens to get final product.Owing to adopted built-in connecting pin, cooperate with outside screw, in the fastening process, connecting pin has served as the function of nut simultaneously, uses screw than minor diameter can obtain join strength than the major diameter screw, has good tensile strength and anti-shearing force effect.Below be that example describes with the screw of m5: 1, use the screw of m5 separately, its internal diameter is about 4.2mm, and its shear plane area is: (4.2/2) ²π=4.41 π; 2, be the screw use of the connecting pin cooperation m5 of 8mm with the external diameter, its shear plane area is (8/2) ²π=16 π, the ratio of both anti-shearing forces is: 4.41 π/16 π=3.6, under the identical situation of other conditions, shear strength of the present utility model strengthens greatly; This design also makes the utility model when mounted, and each basic linkage unit only need be tightened a screw and get final product, and need not nut, and installation or removal are convenient, quick; First convex edge and second convex edge are set respectively on joint and housing, and second convex edge can be stretched in the connecting groove of below, first convex edge formation, can strengthen the join strength of link on pipe fitting is axial, can further prevent to become flexible.Simultaneously, the utility model can be selected the quantity of basic linkage unit according to the needs that reality is used, and each basic linkage unit all is independently, and a certain direction is tightened up a screw looseningly can not influence the tightness that other directions connect; Angle between each basic linkage unit can design according to actual needs, can satisfy the needs that pipe fitting connects on the different direction.In addition, attachment hole of the present utility model adopts the invaginating design, makes the utility model more attractive in appearance in shape.The utility model is applicable to the connection of the pipe fitting of pipe, square tube or other shapes, and is applied widely.

Therefore, the utility model structural design is ingenious, connects firmly, and attaching/detaching is convenient, and beautiful shape.

Description of drawings

Fig. 1, Fig. 2 are the utility model embodiment 1 structural representation;

Fig. 3 is the perspective view of Fig. 2;

Fig. 4, Fig. 5 the utility model embodiment's 2 structural representation;

Fig. 6 is the utility model embodiment 3 a structural representation.

Embodiment

Below in conjunction with the drawings and specific embodiments structure of the present utility model is done further detailed description, part same as the prior art in the utility model will be with reference to prior art.

Embodiment 1:

As Figure 1-3, the pipe connecting component of present embodiment, comprise base 1 and two housings with two joints, be respectively first housing 21 and first joint 11, second housing 22 and second joint 12, second joint 12 is arranged at axially axial vertical with first joint of the outer surface of first joint 11 and its, on the outer surface of first joint 11, the joint of second joint 12 forms outwardly directed, the first step-like convex edge 3, forming 4, the second convex edges 4, corresponding second convex edge in the bottom of second housing 22 can stretch in the connecting groove 31 of 3 belows, first convex edge formation.

The inner surface configuration of housing and joint and connecting tube external surface shape are corresponding and can be coated on the described pipe fitting, are arc surface herein, are applicable to connect circle line pipe part that described joint and housing can coat one week of pipe fitting.Have projection 5 on housing, have corresponding groove 6 on joint, during connection, projection 5 embeds in the groove 6.Internal surface at housing has the connecting pin 7 that inwardly stretches out, on joint, have corresponding attachment hole 8, this attachment hole 8 is the invaginating attachment hole, this attachment hole 8 forms a circle hole wall 8a at the inner side surface of joint, and the height of this hole wall 8a equates with connecting pin 7 terminal crow flight distances to the joint inner side surface.

Housing and base adopt aluminum alloy material to make, and base 1 and first joint 11, second joint 12 are the die casting integrated formed structure.

Embodiment 2:

Shown in Fig. 4-5, present embodiment and embodiment's 1 difference is: the quantity of described housing and joint respectively is three, be respectively first housing 21 and first joint 11, second housing 22 and second joint 12, the 3rd housing 23 and the 3rd joint 13, second, the

3rd joint

12,13 are arranged at the outer surface and second of first joint 11, the

3rd joint

12,13 axially axially vertical in twos with first joint 11 respectively, on the outer surface of first joint 11, the joint of second and third joint forms outwardly directed respectively, the first step-like convex edge 3, second, the

3rd housing

22,23 bottom forms 4, the second convex edges 4, corresponding second convex edge and can stretch in the connecting groove 31 of 3 belows, first convex edge formation.

Housing and base adopt zinc alloy material to make.

Embodiment 3:

As shown in Figure 6, present embodiment and embodiment's 1 difference is: the quantity of described housing and joint respectively is four, be respectively first housing 21 and first joint 11, second housing 22 and second joint 12, the 3rd housing 23 and the 3rd joint 13, the 4th housing 24 and the 4th joint 14, second, the 3rd, the

4th joint

12,13,14 are arranged at the outer surface and second of first joint 11, the 3rd, the

4th joint

12,13,14 axially axially vertical in twos with first joint 11 respectively, on the outer surface of first joint 11, second, the joint of the 3rd and the 4th joint forms outwardly directed respectively, the first step-like convex edge 3, second, the bottom of the 3rd and the 4th housing forms 4, the second convex edges 4, corresponding second convex edge and can stretch in the connecting groove 31 of below, first convex edge formation.

Housing and base adopt rigid plastics to make.

Embodiment 4:

Present embodiment and embodiment's 1 difference is: the quantity of described housing and joint respectively is one, is first housing 21 and first joint 11.

Certainly, the utility model can also have other mode of execution, is not limited to vertical relation as the angle between each joint; The shape of the utility model link also is not limited to circle, can adopt different shape according to the profile of need connection pipe fitting in principle; Material of the present utility model also is not limited to above listed scope, can select corresponding material according to the needs that reality is used in principle; Deng.Obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all should belong to the scope of the utility model protection.

Claims

1. pipe connecting component, it is characterized in that: comprise base and at least one housing, on described base, have quantity and the corresponding joint of housing quantity, the inner surface configuration of housing and joint and connecting tube external surface shape are corresponding and can be coated on the described pipe fitting, internal surface at housing has the connecting pin that inwardly stretches out, and has corresponding attachment hole on the joint of base.

2. pipe connecting component according to claim 1 is characterized in that: the joint of described base and housing can coat one week of pipe fitting.

3. pipe connecting component according to claim 1 is characterized in that: described housing is provided with projection, and joint is provided with corresponding groove.

4. pipe connecting component according to claim 1 is characterized in that: the quantity of described housing is 2-4, and corresponding on base have a 2-4 joint, base and each joint structure that is formed in one.

5. pipe connecting component according to claim 3, it is characterized in that: the quantity of described housing and joint respectively is two, be respectively first housing and first joint, second housing and second joint, second joint is arranged at axially axial vertical with first joint of the outer surface of first joint and its, on the outer surface of first joint, the joint of second joint forms first outwardly directed, the step-like convex edge, form corresponding second convex edge in the bottom of second housing, second convex edge can be stretched in the connecting groove of below, first convex edge formation.

6. pipe connecting component according to claim 3, it is characterized in that: the quantity of described housing and joint respectively is three, be respectively first housing and first joint, second housing and second joint, the 3rd housing and the 3rd joint, second, the 3rd joint is arranged at the outer surface and second of first joint, axially axially vertical in twos with first joint respectively of the 3rd joint, on the outer surface of first joint, the joint of second and third joint forms outwardly directed respectively, the first step-like convex edge, second, corresponding second convex edge is formed on the bottom of the 3rd housing, and second convex edge can be stretched in the connecting groove of below, first convex edge formation.

7. pipe connecting component according to claim 3, it is characterized in that: the quantity of described housing and joint respectively is four, be respectively first housing and first joint, second housing and second joint, the 3rd housing and the 3rd joint, the 4th housing and the 4th joint, second, the 3rd, the 4th joint is arranged at the outer surface and second of first joint, the 3rd, axially axially vertical in twos with first joint respectively of the 4th joint, on the outer surface of first joint, second, the joint of the 3rd and the 4th joint forms outwardly directed respectively, the first step-like convex edge, second, corresponding second convex edge is formed on the bottom of the 3rd and the 4th housing, and second convex edge can be stretched in the connecting groove of below, first convex edge formation.

8. according to the arbitrary described pipe connecting component of claim 1-7, it is characterized in that: described attachment hole is the invaginating attachment hole, this attachment hole forms a circle hole wall at the inner side surface of joint, and the height of this hole wall equals the terminal perpendicular distance to the joint inner side surface of connecting pin.

9. according to the arbitrary described pipe connecting component of claim 1-7, it is characterized in that: described base and housing adopt plastics, aluminum alloy, zinc alloy, titanium alloy, copper casting or cast iron quality to make.