CN203880270U

CN203880270U - Pipe clamp

Info

Publication number: CN203880270U
Application number: CN201420265547.XU
Authority: CN
Inventors: 温殿辉
Original assignee: Henan Zhong Ze New Material Co Ltd
Current assignee: Henan Zhongze New Material Co ltd
Priority date: 2014-05-23
Filing date: 2014-05-23
Publication date: 2014-10-15
Anticipated expiration: 2024-05-23

Abstract

The utility model discloses a pipe clamp comprising an upper clamping ring and a lower clamping ring which are in concave groove shapes, left and right ends are provided with bosses respectively, and the upper clamping ring and the lower clamping ring are in butt connection through the bosses. The bosses at one ends of the upper clamping ring or lower clamping ring are provided with arcuate projections extending along the inner annular surfaces of the clamping rings, the bosses at the other ends symmetrical to the arcuate projections are provided with arcuate grooves, and the outer edges of the arcuate grooves are located in the boundaries of the bosses where the arcuate grooves formed. When the pipe clamp is used for pipeline connection, the projections and arcuate grooves of the bosses of the upper and lower clamping rings are fitted, relative movements of the two clamping rings are limited, and the reliability and tightness of clamp connection are improved effectively; reinforcing ribs are both arranged on the outer rings of the upper and lower clamping rings, and the connecting strength of the clamp is increased greatly.

Description

Pipeline clamp

Technical field

The utility model relates to pipeline connection technology field, relates generally to pipe connecting part, is specially the clip that a kind of connecting tube is used.

Background technique

The a large amount of dependences to water based on current industrial production and daily life, pipeline water delivery, as most economical water-carriage mode easily, is widely accepted and applies by society already.Wherein, pipeline connection technology, as the important step of pipeline water delivery, is the key object that this field is paid close attention to always, and is constantly improved and develops.Each pipe joint place of aqueduct is generally with clip connected at present, clip need to meet intensity and the sealing that pipeline connects simultaneously, the clip that a kind of precision cast steel material as disclosed in CN 2932012Y is made, employing stiffening rib arranges, both ensured join strength, can apply again larger clamping force, strict sealing pipeline connector gap, prevents that joint from leaking; The and for example disclosed flanged pipe clip of CN 202629396U, can protect the adpting flange position of connecting tube, solves the problem of repair and replacement flange inconvenience, thereby strengthens the safety reliability connecting; For another example the disclosed a kind of tubing enlarging clamp band type linkage structure of CN 203442397U, is used polyethylene pipe and the clip of expanding end to be connected, and can effectively prevent shedding, the problems such as gas leakage rupture, leak.These prior aries can realize the connection of aqueduct preferably, but still come with some shortcomings part, as only depending on bolt, clip connects to control its degrees of freedom, easily cause the relative changing of the relative positions between lower catch hoop, thereby seal ring and interface to its inside cause certain influence, increase the risk of connection failure and the possibility of the gas leakage of leaking.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of existing enough intensity, can strengthen again the pipeline clamp of connection reliability.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is:

Design a kind of pipeline clamp, comprise upper snap ring and the lower snap ring of Baltimore groove shape, on, the two ends, left and right of lower snap ring are respectively arranged with boss, on, lower snap ring docks by boss, on wherein one end boss of described upper snap ring or lower snap ring, be provided with the arcuate convex of stretching out along snap ring inner ring surface, be provided with bow-shaped recess with the other end lug boss position place of described arcuate convex position symmetry, the outer rim of described bow-shaped recess is all positioned in the boundary of its place boss outer rim, the arcuate convex of described upper snap ring and bow-shaped recess can be connected with bow-shaped recess and the arcuate convex formation of lower snap ring respectively.

On the interior ring of described upper and lower snap ring, be respectively arranged with sealed groove.

On the outer shroud of described upper and lower snap ring, be respectively arranged with stiffening rib.

On the boss at snap ring two ends, be respectively arranged with bolt hole on described, on the boss at described lower snap ring two ends, correspondence is provided with bolt hole, and in addition, all the other structures of upper and lower snap ring are all identical.

Described upper and lower snap ring is made up of PE or ABS class material.

The use step of above-mentioned pipeline clamp is as follows:

While carrying out pipeline connection, seal ring is put into the sealed groove of lower snap ring, again the joint of two pipelines is aligned, and put into seal ring, and then upper snap ring is placed on above joint, the sealed groove of snap ring is enclosed within on seal ring, bolt is passed to the bolt hole of upper snap ring and the bolt hole of lower snap ring, and with fastening nuts, clip is formed to the extruding force at pipe fitting middle part, reach two close-connected objects of pipe fitting.

The utlity model has actively useful effect:

1. the utility model is provided with the arcuate convex and the bow-shaped recess that cooperatively interact at the boss docking part of upper and lower snap ring, and in the time carrying out clip docking, the outer rim of bow-shaped recess can limit the front and back changing of the relative positions of arcuate convex, thereby has increased the reliability of clip connected;

2. on the outer shroud of upper and lower snap ring, be provided with stiffening rib, greatly strengthened the join strength of clip, or under the condition that reaches equality strength, save material consumption;

3. upper and lower snap ring is except the bolt hole type arranging on it is different, and all the other structures are all identical, can use same Mold Making, reprocess different bolts hole, easy and simple to handle, saves die cost.

Brief description of the drawings

Fig. 1 is a kind of structural representation of pipeline clamp;

Fig. 2 is the part-structure schematic diagram of lower snap ring;

Fig. 3 is the docking operation schematic diagram of upper and lower snap ring.

1 is boss, and 2,8 are bolt hole, and 3,6,7,13,15,17 are stiffening rib, and 4,16 are sealed groove, 5 is upper snap ring, and 9 is boss, and 10,21 are arcuate convex, and 11,20 are bolt hole, 12 is boss, and 14 is lower snap ring, and 18 is bow-shaped recess, and 19 is boss.

Embodiment

Below in conjunction with embodiment, the utility model is described in further detail.

Embodiment 1: a kind of pipeline clamp, referring to Fig. 1, Fig. 2, Fig. 3, comprise snap ring 5 and lower snap ring 14, the two ends, left and right of upper snap ring 5 are respectively arranged with boss 1 and 9, the two ends, left and right of lower snap ring 14 are respectively arranged with boss 12 and 19, upper snap ring 5 can dock with 19 by boss 1 with lower snap ring 14,9 and 12 docking, and connected as one by screw bolt and nut.On the boss 1,9 at snap ring 5 two ends, be respectively arranged with bolt hole 2,8 on described, on the boss 12,19 at described lower snap ring 14 two ends, correspondence is provided with bolt hole 11,20, and in addition, all the other structures of upper and lower snap ring 5,14 are all identical.Following snap ring is example, referring to Fig. 2, on wherein one end boss 12 of described lower snap ring 14, be provided with the arcuate convex 10 of stretching out along lower snap ring 14 inner ring surfaces, be provided with bow-shaped recess 18 with the other end boss 19 positions of these arcuate convex 10 symmetries, the outer rim of described bow-shaped recess 18 is all positioned in the boundary of its place boss 19 outer rims; On the boss 1 of described upper snap ring 5, be provided with arcuate convex 21, on boss 9, be provided with bow-shaped recess, arcuate convex 21 can be docked with bow-shaped recess 18, goes up the bow-shaped recess of snap ring 5 simultaneously and the arcuate convex 10 of lower snap ring 14 is docked.On the interior ring of snap ring 5, be provided with sealed groove 4 on described, on outer shroud, be provided with stiffening rib 3,6,7; On the interior ring of described lower snap ring 14, be provided with sealed groove 16, on outer shroud, be provided with stiffening rib 13,15,17.Described upper and lower snap ring 5,14 is made up of PE class material.

The method of carrying out pipeline connection with above-mentioned pipeline clamp is as follows:

In the time carrying out pipeline connection, first seal ring is put into the sealed groove 16 of lower snap ring 14, again the joint of two pipelines is aligned, and put into seal ring, then upper snap ring 5 is placed on above joint, the sealed groove 4 of snap ring 5 is enclosed within on seal ring, and the bow-shaped recess of snap ring 5 and the arcuate convex 10 of lower snap ring 14 are docked, arcuate convex 21 is docked with bow-shaped recess 18 simultaneously, finally respectively bolt is passed to bolt hole 2 and bolt hole 20, and bolt hole 8 and bolt hole 11, and with fastening nuts, clip is formed to the extruding force at pipe fitting middle part, reach two close-connected objects of pipe fitting.

Embodiment 2: a kind of pipeline clamp, and referring to Fig. 1, Fig. 2, Fig. 3, substantially the same manner as Example 1, difference exists, and upper and lower snap ring 5,14 used is made up of ABS class material.

The method of carrying out pipeline connection with above-mentioned pipeline clamp is identical with embodiment 1.

Use clip carry out pipeline connect time, arcuate convex and bow-shaped recess on upper and lower snap ring boss agree with mutually, have limited the relative changing of the relative positions between two snap rings, thereby have increased the reliability of clip connected, effectively reduce joint leak gas leakage possibility; On the outer shroud of upper and lower snap ring, be provided with stiffening rib, greatly strengthened the join strength of clip.

In conjunction with the accompanying drawings and embodiments mode of execution of the present utility model is described in detail above, but the utility model is not limited to above-mentioned mode of execution, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, change or change.

Claims

1. a pipeline clamp, comprise upper snap ring and the lower snap ring of Baltimore groove shape, upper snap ring, the two ends of lower snap ring are respectively arranged with boss, described upper snap ring, lower snap ring docks by boss, it is characterized in that, on one end boss of described upper snap ring or lower snap ring, be provided with the arcuate convex of stretching out along snap ring inner ring surface, be provided with corresponding bow-shaped recess with the other end lug boss position place of described arcuate convex position symmetry, the outer rim of described bow-shaped recess is all positioned in the boundary of its place boss outer rim, the arcuate convex of described upper snap ring and bow-shaped recess are connected with bow-shaped recess and the arcuate convex formation of lower snap ring respectively.

2. pipeline clamp according to claim 1, is characterized in that, is respectively arranged with sealed groove on described on the interior ring of snap ring and lower snap ring.

3. pipeline clamp according to claim 2, is characterized in that, is respectively arranged with bolt hole on described on the boss at snap ring two ends, on described lower snap ring boss, is provided with the bolt hole corresponding to described bolt hole.

4. pipeline clamp according to claim 1, is characterized in that, is respectively arranged with stiffening rib on described on the outer shroud of snap ring and lower snap ring.

5. according to the pipeline clamp described in claim 1 to 4 any one, it is characterized in that, described upper snap ring and lower snap ring are made up of PE class material or ABS class material.