CN2802242Y

CN2802242Y - Anti-vibration expansion joint structure

Info

Publication number: CN2802242Y
Application number: CN 200320102165
Authority: CN
Inventors: 陈中和
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-30
Filing date: 2003-10-30
Publication date: 2006-08-02
Anticipated expiration: 2013-10-30

Abstract

The utility model relates to an anti-vibration expansion joint structure. A plurality of flanges or a single flange is arranged on the upper end surface of a sealing ring to form a convex ring body. The sealing ring is mutually clamped by the joint face of a joint flange and the end surface of an expansion pipe joint, wherein the joint flange of the sealing ring is connected and assembled with the joint flange of a pipeline. The joint face of the joint flange of the pipeline is assembled with the joint face of the joint flange of the expansion joint, and then a screw bolt and a nut are used for tight locking. The convex ring of the sealing ring is crimpled by the tight clamping of the joint flange of the pipeline and the joint face, and the complete sealing of the connecting position of the pipeline can be ensured.

Description

A kind of shockproof expansion joint structure

Technical field

The utility model relates to a kind of shockproof expansion joint structure.

Background technique

There are various pipe expansion joints at present, it is also different relatively that its purposes and transmitting fluid difference, institute's join strength difference, required erection bolt are counted the bolt penetration hole number and the position of difference and companion flange, this annular shim must cooperate pipe expansion joint to make especially fully, so price is relatively costly.In addition, when annular shim is assembled, easily cause to connect the combination inconvenience.On the other hand, when bolt locking strength is uneven, easily cause relative tilt to cause this annular shim displacement or local deformation.

Summary of the invention

The purpose of this utility model provides a kind of shockproof expansion joint structure that can guarantee the complete driving fit in pipeline joint.

Above-mentioned purpose of the present utility model is achieved in that a kind of shockproof expansion joint structure, comprises a seal ring, a companion flange; It is characterized in that: sealing ring upper-end surface is provided with how protruding or single flange, form the convex ring shape body, the mating face of this companion flange and the end face of flexible pipe fitting insert and put seal ring mutually, wherein this companion flange is combined in the pipeline companion flange by the connection of sealing ring, compel to close by bolt and nut locking, the bulge loop of the tight clamping sealing of companion flange and the mating face ring of this pipeline is tightened.

Major technique effect of the present utility model is, fully driving fit and prevent seepage.

The utility model is elaborated with instantiation below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is an assembled sectional view of the present utility model;

Fig. 2-the 1st, indent annular shim assembled sectional view of the present utility model;

Fig. 3 is a seal ring assembled sectional view of the present utility model;

Fig. 3-the 1st, one of assembled sectional view of the present utility model;

Fig. 3-the 2nd, two of assembled sectional view of the present utility model;

Fig. 3-the 3rd, three of assembled sectional view of the present utility model;

Fig. 3-the 4th, four of assembled sectional view of the present utility model;

Fig. 3-the 5th, five of assembled sectional view of the present utility model;

Fig. 3-the 6th, six of assembled sectional view of the present utility model;

Fig. 3-the 7th, seven of assembled sectional view of the present utility model;

Fig. 3-the 8th, eight of assembled sectional view of the present utility model;

Fig. 4 is a seal ring embodiment assembled sectional view of the present utility model;

Fig. 4-the 1st, seal ring packing action cross-sectional schematic of the present utility model;

Fig. 5 is the T of falling a side word seal ring embodiment assembled sectional view of the present utility model;

Fig. 6 is the protruding seal ring embodiment's assembled sectional view of arc of the present utility model;

Fig. 7 is round seal ring embodiment's assembled sectional view of the present utility model.

Embodiment

The utility model is a kind of shockproof expansion joint structure, and main structure comprises: a seal ring 2, a companion flange 3.

As shown in Figures 1 and 2, be arranged with seal ring 2 between the companion flange 3 of pipe expansion joint and pipeline 4 companion flanges 41, these pipeline 4 companion flanges 41 offer plurality of through holes 14, perforation 15 corresponding to companion flange, bolt 5 passes

perforation

14,15, make the locking of joining of upper and

lower companion flange

41,3, again with the

urgent companion flange

41,3 of two ends nut 6 lockings.

Shown in Fig. 2-1, seal ring 2 can be an indent annular shim 130, and these indent annular shim 130 lower end surfaces are a recess space 100, is used to place flexible pipe fitting 200.

Seal ring 2 of the present utility model can have multiple structure, is elaborated below in conjunction with Fig. 3 to Fig. 3-8.At first referring to Fig. 3, sealing ring 2 upper-end surfaces are provided with how protruding or single flange and form bulge loop 21,22 shape bodies, seal ring 2 lower end surfaces are a recess space 20, and for flexible pipe fitting 200 is set, the mating face 31 of companion flange 3 inserts and puts seal ring 2 (as shown in Figure 4) mutually with the end face of flexible pipe fitting 200.

Seal ring 2 can also be in addition: an anti-ㄈ word seal ring 23, the turn one's coat protruding seal ring 8 of L word seal ring 24, one anti-ㄈ word barb seal ring 25, a sawtooth seal ring 26, one anti-L piece seal ring 27, the T of falling a side word seal ring 7, an arc, a circle seal ring 9;

Referring to Fig. 3-1, anti-ㄈ word seal ring 23 upper-end surfaces are provided with cambered surface 231, and anti-ㄈ word seal ring 23 lower end surfaces are a recess space 230.Can be shown in Fig. 4-1 like that, insert and put anti-ㄈ word seal ring 23 mutually by the end face of the mating face 31 of companion flange 3 and flexible pipe fitting 200.

Referring to Fig. 3-2, the L word seal ring of turning one's coat 24 upper-end surfaces are provided with cambered surface 241, and the L word seal ring of turning one's coat 24 lower end surfaces are an open space 240.The L word seal ring 24 of turning one's coat is placed in the groove of companion flange 3 (for example, image pattern 2 is such), is provided with driving fit.

Referring to Fig. 3-3, anti-ㄈ word barb seal ring 25 upper-end surfaces are provided with cambered surface 251, and anti-ㄈ word barb seal ring 25 lower end surfaces are all slot spaces 250, and its bottom tilts to be provided with grooving face 252.Can as Fig. 4-1, insert and put the ㄈ word barb seal ring 25 of turning one's coat mutually by the mating face 31 of companion flange 3 and the end face of flexible pipe fitting 200.

Referring to Fig. 3-4, sawtooth seal ring 26 upper-end surfaces are provided with sawtooth convex surface 261,262, and sawtooth seal ring 26 lower end surfaces are a recess space 260, and its bottom is provided with the face of rising as high as the banks 263.Can insert and put sawtooth seal ring 26 mutually by the mating face 31 of companion flange 3 and the end face of flexible pipe fitting 200 as shown in Figure 4.

Referring to Fig. 3-5, anti-L piece seal ring 27 tops are a plane, and its lower right corner is cut and established short slot space 270.Anti-L piece seal ring 27 is placed in the groove of companion flange 3 (similar Fig. 2), is provided with the driving fit effect.

Referring to Fig. 3-6, the T of falling side word seal ring 7 is provided with lower protruding block 70,71, as shown in Figure 5, they can insert respectively in the corresponding groove of the corresponding groove 311 of companion flange 3 and companion flange 41, and the mating face 31 of this companion flange 3 inserts and puts the T of falling side word seal ring 7 mutually with the end face of flexible pipe fitting 200.

The lower end surface of the protruding seal ring 8 of the arc shown in Fig. 3-7 can insert companion flange 3 groove 312 in, as shown in Figure 6.

The lower end surface of the round seal ring 9 shown in Fig. 3-8 can be inserted in the expansion groove 313 of companion flange 3.As shown in Figure 7, the mating face 31 of this companion flange 3 inserts and puts round seal ring 9 mutually with the end face of flexible pipe fitting 200.

See also Fig. 4 and Fig. 3, seal ring 2 upper-end surfaces are provided with how protruding or single flange and form bulge loop 21,22 shape bodies, seal ring 2 lower end surfaces are a recess space 20 for flexible pipe fitting 200 is set, the mating face 31 of this companion flange 3 inserts and puts seal ring 2 mutually with the end face of flexible pipe fitting 200, the companion flange 3 that is assembled with seal ring 2 is connected the companion flange 41 that is combined in pipeline 4, the mating face of these pipeline 4 companion flanges 41 is connected to the mating face 31 of companion flange 3, compel to close with bolt 5 and nut 6 lockings again, make the companion flange 41 of this pipeline 4 and the bulge loop 21 of mating face 31 tight clamping sealing rings 2,22 tighten, and guarantee the effect of the pipeline complete driving fit in 4 joints.

Example shown in Fig. 4-1 adopts the anti-ㄈ word seal ring 23 except seal ring 2, and is identical with example base shown in Figure 4.

Shown in Fig. 5 and Fig. 3-6, companion flange 3 mating faces 31 are provided with the T of falling a side word seal ring 7, lower protruding block is connected the mating face 31 of companion flange 3 mutually with the companion flange 41 of pipeline 4 on the T word seal ring 7, and lower protruding block one end is placed in the groove 311 of companion flange 3 and is provided with the driving fit effect on the T word seal ring 7.

Shown in Fig. 6 and Fig. 3-7, companion flange 3 mating faces 31 are provided with the protruding seal ring 8 of an arc, and the protruding seal ring 8 of arc is placed in the annular recess 312 of companion flange 3 and is provided with the driving fit effect.

Shown in Fig. 7 and Fig. 3-8, companion flange 3 mating faces 31 are provided with a circle seal ring 9, circle seal ring 9 is placed in the expansion groove 313 of companion flange 3, for strengthening the driving fit effect.

Below the utility model and conventional art are compared:

Conventional art

1, various pipe expansion joint purposes and transmitting fluid difference, institute's join strength difference, required erection bolt are counted the bolt penetration hole number of difference and companion flange and the position is also different relatively, this annular shim must cooperate pipe expansion joint to make especially fully, so price is relatively costly.

When 2, this annular shim is assembled, easily cause to connect the combination inconvenience.

3, when bolt locking strength is uneven, easily cause relative tilt to cause this annular shim displacement or local deformation.

The utility model

1, can reach complete driving fit and prevent seepage.

2, tool combined and instant and progressive.

3, tool Security effect.

4, tool pipeline damping property effect.

Claims

1, a kind of shockproof expansion joint structure comprises a seal ring, a companion flange; It is characterized in that: sealing ring upper-end surface is provided with how protruding or single flange, form the convex ring shape body, the mating face of this companion flange and the end face of flexible pipe fitting insert and put seal ring mutually, wherein this companion flange is combined in the pipeline companion flange by the connection of sealing ring, compel to close by bolt and nut locking, the bulge loop of the tight clamping sealing of companion flange and the mating face ring of this pipeline is tightened.

2, shockproof expansion joint structure according to claim 1, it is characterized in that: described seal ring is an annular shim, wherein, between the companion flange of pipe expansion joint and pipeline companion flange, be arranged with this annular shim, this pipeline companion flange offers the perforation of several perforation corresponding to companion flange, pass perforation with bolt and make the locking of joining of upper and lower companion flange, with the two ends nut urgent companion flange that locks.

3, shockproof expansion joint structure according to claim 1, it is characterized in that: described seal ring is an indent annular shim, and wherein, the companion flange mating face is provided with an indent annular shim, indent annular shim lower end surface is a recess space, places flexible pipe fitting in it.

4, shockproof expansion joint structure according to claim 1, it is characterized in that: described seal ring is an anti-ㄈ word seal ring, this anti-ㄈ word seal ring upper-end surface is provided with cambered surface, anti-ㄈ word seal ring lower end surface is a recess space, and the mating face of companion flange and the end face of flexible pipe fitting insert and put anti-ㄈ word seal ring mutually.

5, shockproof expansion joint structure according to claim 1, it is characterized in that: described seal ring is the L word seal ring of turning one's coat, this L word seal ring upper-end surface of turning one's coat is provided with cambered surface, and the L word seal ring of turning one's coat lower end surface is an open space, and the L word seal ring of turning one's coat is placed in the companion flange groove.

6, shockproof expansion joint structure according to claim 1, it is characterized in that: described seal ring is an anti-ㄈ word barb seal ring, this anti-ㄈ word barb seal ring upper-end surface is provided with cambered surface, anti-ㄈ word barb seal ring lower end surface is all slot spaces, its bottom tilts to be provided with the grooving face, and the mating face of this companion flange and the end face of flexible pipe fitting insert and put the ㄈ word barb seal ring of turning one's coat mutually.

7, shockproof expansion joint structure according to claim 1, it is characterized in that: described seal ring is a sawtooth seal ring, this sawtooth seal ring upper-end surface is provided with the sawtooth convex surface, sawtooth seal ring lower end surface is its bottom of a recess space and is provided with the face of rising as high as the banks, and the mating face of this companion flange and the end face of flexible pipe fitting insert and put the sawtooth seal ring mutually.

8, shockproof expansion joint structure according to claim 1 is characterized in that: described seal ring is an anti-L piece seal ring, and this anti-L piece seal ring top is a plane, and its lower right corner is cut and established the short slot space, and anti-L piece seal ring is placed in the companion flange groove.

9, shockproof expansion joint structure as claimed in claim 1, it is characterized in that, the T of falling a side word seal ring is established in the companion flange joint, up and down the mating face of companion flange is connected mutually with the companion flange of pipeline with T word seal ring, and next end is placed in the groove of companion flange on the T word seal ring.

10, shockproof expansion joint structure as claimed in claim 1 is characterized in that, the protruding seal ring of an arc is established in the companion flange joint, and the protruding seal ring of arc is placed in the annular recess of aforementioned companion flange.

11, shockproof expansion joint structure as claimed in claim 1 is characterized in that, a circle seal ring is established in the companion flange joint, and the circle seal ring is placed in the expansion groove of companion flange.