CN101846220B

CN101846220B - Connector

Info

Publication number: CN101846220B
Application number: CN200910127798A
Authority: CN
Inventors: 舒金发
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-24
Filing date: 2009-03-24
Publication date: 2012-10-10
Anticipated expiration: 2029-03-24
Also published as: CN101846220A

Abstract

A sister connector comprises a pipe body, a seal ring, a connecting piece and a loop piece. The pipe body is in sister connection on the loop end of the connecting piece through the loop piece and is fixed on the connecting piece, the pipe body is provided with a concave loop, the loop end of the connecting piece and the loop piece can form an integrated loop shaped port, and the connecting piece and the loop piece are both provided with convex strips which can form a convex loop through the sister connection. When the connector is installed, the pipe body with the concave loop is aslant inserted into the seal ring arranged in the cavity of the connecting piece, and the pipe body is aligned on the same central axis of the connecting piece, and the convex strip on the loop end of the connecting piece is stuck in the concave loop of the pipe body just right, the loop piece is in sister connection on the loop end of the connecting piece, and the convex strip thereof is stuck in the concave loop of the pipe body simultaneously and is in sister connection with the convex strip on the loop end of the connecting piece to form the convex loop, thereby locking the pipe body tightly to achieve the connection. The connection of the invention has the characteristics of compact structure, less and reasonable components, safe and convenient production, simple process and good practicability.

Description

A kind of with close link

[technical field]

This is to belong to a kind of link of carrying liquid, gas etc. with closing link, is particularly useful for having the sheet-metal duct connection aspect of seal request.

[background technique]

Pipeline and pipeline are realized in the interconnective structure through link; The difficult problem of a maximum is how to guarantee being connected firmly and sealing of link port and pipe end; Particularly this structure is under the factor affecting that receives vibration, rocks etc.; More cost of material to be reduced, effect firm and sealing can also be reached well.

ZL02242868.2 discloses a kind of " pipe fitting joint ".Its structure comprises body, nut and external silk, and the anterior tube wall of body is provided with groove, is provided with snap ring in the groove, and the place ahead of snap ring also is provided with seal ring, for increasing the intensity of sheet-metal duct, in tube cavity, is provided with lining.It adopts the sealing of link port inclined-plane, and fixes body with pushing when seal ring seals at nut inner wall inclined-plane compressing snap ring.There is following problem in the pipe fitting joint of this structure in practical application: 1, utilizing external silk is that the port inclined-plane of link cooperates with seal ring and reaches sealing, in vibration, rock under the factor affecting, seals poor stability.2, in body, set up lining after; Though solved the problem of misalignment between link and the pipeline, help avoiding because of the influence to sealing such as the factor of vibrating, rock, it is complicated that structure becomes; And; Fixing and the sealing proportionate relationship of two linings and seal ring is difficult to coordinate, and also can influence the mobile unimpeded of conveying material, especially is not suitable for small-bore body and connects.For the heavy caliber body, then exist between body and lining double layer construction to play recessed difficulty, lining gap and be prone to take place phenomenons such as deposite attack and sludge rot, thereby can influence the working life of link and body, poor reliability.

[summary of the invention]

In order to overcome the problems referred to above that existing technology exists; The invention provides a kind of with close link; This is connected firmly, accessory is few; Good seal performance also can be kept good fastness and sealability even the influence of factor such as vibrate, rock, have simple in structure, production and processing convenient and the high advantage of reliability.

The technology that realizes above-mentioned scheme is as follows: a kind of and close link, include body, seal ring; Link and ring are formed; Body be by ring be combined on the ring end of link fixingly, said body is provided with scrobicular ring, the ring end of link and ring the two be equipped with can with the raised line of synthetic bulge loop; Depart from the central port to the body that is provided with scrobicular ring slightly during installation and insert the seal ring that is placed in the link inner chamber sideling; Ajust body and link again on same central axis, at this moment the raised line of link ring end just in time snaps in the body scrobicular ring, then encircles ring on the end with being combined in; The raised line that is provided with on the ring also snaps in the body scrobicular ring simultaneously, and the raised line of the two is locked the completion of body scrobicular ring and is connected with synthesizing bulge loop.

Its structure outline is: said connecting port be by the ring end of link and ring with amount to accomplishing, and the two be equipped with can be by the raised line that forms complete bulge loop with closing.

Aforesaid with close link, it is characterized in that: body is provided with scrobicular ring, also can be provided with bulge loop.

Beneficial effect: compared with prior art; The ring end is the constituent element on the link, is by disposable production moulding, and ring then is a separate part; Ring end and ring at link are equipped with raised line; The raised line of the two is snapping in the scrobicular ring of body with the complete bulge loop of fashionable formation during installation, the seal ring that holds in the link inner chamber simultaneously, and the outer inclined-plane that makes seal ring that is squeezed in the two and the fashionable outside is close to extruding mutually and is accomplished sealing with the interior inclined hole face of link.So both guarantee the steadiness and the sealing that connect, also embodied the defective ejaculation of connected element and the convenience of installation.

Below in conjunction with accompanying drawing and embodiment to this with close link and be described further.

[description of drawings]

Fig. 1 is the structure sectional view of present embodiment after assembling is accomplished;

Fig. 2 is the detailed annotation figure of present embodiment connecting end, and it is analysed and observe branch and illustrates the schematic representation of connecting port when coupled condition and separated state (in the frame), and its cross section branch illustrates the cross sectional representation of analysing and observe component upper connector separating end (being exactly part in the frame);

Fig. 3 is the sectional views of each parts of present embodiment when assembling;

Fig. 4 is the structure sectional view after the assembling of the another kind of design of present embodiment body;

Sequence number is represented respectively among the figure: body 1, scrobicular ring 11, seal ring 2, link 3, connecting ring end 31, raised

line

33,34, ring 32, bulge loop 35, fastener hole 36;

[embodiment]

Referring to Fig. 1, and combination Fig. 2 and Fig. 3, Fig. 1 is the structure sectional view of present embodiment after assembling is accomplished;

Fig. 2 is the detailed annotation figure of present embodiment connecting end; The branch of analysing and observe among the figure illustrates the schematic representation of connecting port when coupled condition and separated state (in the frame), and the cross section branch among the figure illustrates the cross sectional representation of analysing and observe component upper connector separating end (being exactly part in the frame);

See Fig. 3, combine Fig. 2 again, according to assemble sequence; From left to right, be followed successively by connection 3, seal ring 2, body 1 and ring 32, the ring end 31 of link 3 is provided with raised line 33 among the figure; On body 1, be preset with scrobicular ring 11, insert body 1 sideling and be placed on the seal ring 2 in link 3 inner chambers, ajust body 1 and link 3 again; Make body 1 and link 3 on same central axis, and the normal position of also having ajusted seal ring 2, sealing guaranteed; Map 1 again; The ring that is provided with raised line 34 32 be combined on the ring end 31 of link 3, referring to Fig. 1, the fastening piece of operation fastener hole 36 makes seal ring 2 interior inclined hole face of its outer inclined-plane and link 3 when being squeezed be close to the completion operation that is tightly connected more.

Key in the present embodiment is to note: when mounted; Scrobicular ring 11 set on the body 1 should be corresponding with the bulge loop 35 of connecting end; Because the external diameter of body 1 is greater than bulge loop 35, place the seal ring 2 that connects 3 inner chambers so should insert body 1 sideling, ajust body 1 and link 3 again; Make the two on same central axis; The raised line 33 of link 3 ring end 31 at this moment just in time snap in the scrobicular ring 11 of body 1 and when closing ring 32 its raised line 34 also just in time snap in the scrobicular ring 11 of body 1, and with the raised line 33 and synthetic bulge loop 35 of ring end 31.

Link 3 is two to lead to and connect port for present embodiment; Placement for each connecting port can be made adjustment as requested; For example, when adopting threeway to connect, a connecting end can adopt the described linkage structure of present embodiment; Another connecting end then can adopt the mode that is threaded, even can adopt mode that is welded to connect or the like.

Referring to Fig. 4; And combine the connecting means of Fig. 3, and Fig. 4 is another embodiment's of invention a structural representation, it and a last embodiment's difference only is that body 1 is provided with bulge loop 12; That is: also place the bulge loop 12 of body 1 the ring end 31 of link 3; The bulge loop 33 of ring end 31 changes the external diameter of flat choma with tight lock body 1 into, and other structure is identical with a last embodiment with working principle, repeats no more at this.

Claims

One kind with close link; It is characterized in that by body (1); Seal ring (2); Link (3) and ring (32) are formed, and body (1) is to be fixed on the link (3) being combined on link (3) the ring end (31) by ring (32), and said body (1) is provided with scrobicular ring (11); The ring end (31) of link (3) and ring (32) and synthetic one complete ring port; And the two port be equipped with can with the raised line (33,34) of synthetic bulge loop (35), insert the seal ring (2) that is placed in link (3) inner chamber to the body (1) that is provided with scrobicular ring (11) sideling during installation; Ajust body (1) and link (3) again on same central axis; At this moment the raised line (33) of link (3) ring end (31) just in time is stuck in body (1) scrobicular ring (11), then ring (32) be combined on the ring end (31) of link (3), and ring (32) goes up in the scrobicular ring (11) that set raised line (34) also is stuck in body (1) simultaneously and be connected with scrobicular ring (11) completion that synthetic bulge loop (35) is locked body (1) jointly with raised line (33) on link (3) the ring end (31).
2. according to claim 1 a kind of with close link, it is characterized in that body (1) is provided with scrobicular ring (11) or bulge loop (12), body is that metallic material is processed, perhaps nonmetallic material are processed.
3. according to claim 1 a kind of with close link, it is characterized in that link (3) processed by metallic material, perhaps process by nonmetallic material.