CN2524047Y - Flanged connectors - Google Patents

Abstract

The utility model relates to a flanged connector, comprising a centre straight tube section(12) that one end is provided with a flange(1), and the other end is provided with a joint(14), a positioning pin(2) which is arranged at the flange, an axle-box(8) which is capable of movably arranged outside the centre straight tube section(12), a zigzag screw thread is arranged outside the axle-box(8), a clamp nut(6) which is arranged outside the axle-box(8) that the outside is provided with at least two claws(4) which are symmetrical along the axis of the clamp nut(6), and the inside is provided with a zigzag screw thread which is slidding matched with the zigzag screw thread of the axle-box(8); and a tension spring(7) which connected with the tail of the claw(4). Compared with the prior art, the utility model has the advantages of convenient operation, and rapid and reliable connection.

Description

Flange coupling connector

Technical field

The utility model relates to a kind of piping flange connector, and it is particularly useful for frequently carrying out the situation that piping flange connects.

Background technique

At present, people generally use bolt to realize the connection of piping flange, and they have following common feature: 1, all adopt plurality of bolts to connect, connection and dismounting speed are slow; Technical difficulty is higher when 2, connecting, and flanged surface needs artificial location during connection, and the sealing gasket that installs additional easily is shifted, and requires when fastening to keep level as far as possible between flanged surface, can guarantee sealing effect.This connecting means exist connection speed slow, easily reveal, shortcoming such as labor intensity of operating staff is big.

The content of model utility

The purpose of this utility model is exactly the above-mentioned deficiency that overcomes prior art, provide a kind of easy to operate, sealingly secure, can realize the piping flange connector that connects fast.

Flange coupling connector of the present utility model comprises:

A central straight pipeline section, one end have a flange, and the other end is a joint, have locating stud on flange;

An axle sleeve, it is installed in rotation on described central straight pipeline section between flange and joint the outside has buttress thread form in the outside of axle sleeve;

A tightening nut, it is installed in the outside of described axle sleeve, the outside of this tightening nut has the pawl of the axis symmetrical distribution of at least two relative tightening nuts, the inboard has the buttress thread form that the buttress thread form with described axle sleeve is slidingly matched, described two pawls comprise a trailing arm and a transverse arm that stretches towards described flange axis in user mode respectively, and the rear end of trailing arm is installed on the tightening nut by connecting pin swingably;

A safety plate, the back-end location of its corresponding described two pawls is fixedlyed connected with described axle sleeve, and the radial outer end of safety plate is positioned at the inboard of the rear end of described two pawls;

An extension spring, it is connected the rear end of two pawls.

Flange coupling connector of the present utility model has quick locating stud on the end face of flange, and on the connector straight length, add one the band handle rotatable axle sleeve, the lower end of axle sleeve joins by the axial ball bearing and the connector flange back side, axle sleeve has the fastening outside thread of using, and match with the tightening nut that has two pawl formula pull bars, the insertion of the locating stud of connector is connected flange screw and realizes quick location during use, then two side pull-rods are buckled in the adpting flange back side, the quick handle of rotary sleeve to the right, make tightening nut and axle sleeve do motion to axial, promote two pawls rapidly, safety plate fastening two pawls of installing on the lifting process Intermediate shaft sleeve, make its rapid fastening be connected flange, simultaneously because the effect of axial thrust bearing, can very easily be rotated further handle and make enough impacting forces are arranged between flanged surface, guarantee the reliability that flange connects, and by other safety, auxiliary accessories finally can be realized the connection fast and safely of flange, dismounting.

Compared with prior art, the utility model has following characteristics:

1, convenient to operation, only need the connector locating stud is inserted the flange bolt hole, screw the axle sleeve handle to the right and get final product, service speed is fast, and labor intensity is low;

2, safe and reliable, the connector locating stud can be located simultaneously and be carried sealing gasket, screws the axle sleeve handle to the right and can realize automatically that fastening level between flanged surface, good seal performance, safety plate snap in automatically and locked two pawls, guarantees the reliability that connects;

The applicable Quick Connect Kit of quick flange coupling connector of the present utility model as various model piping flanges, and do not need existing facility is done any change.

Describe the utility model with reference to the accompanying drawings in detail.

Description of drawings

Fig. 1 is the schematic representation of the utility model flange coupling connector half section structure;

Fig. 2 is flange coupling connector of the present utility model and the schematic representation that is connected the broken section of flanged connecting structure;

Each numbering expression in the accompanying drawing: 1 flange, 2 locating studs, 3 axial thrust bearings, 4 pawls, 5 connecting pins, 6 tightening nuts, 7 extension springs, 8 axle sleeves, 9 safety plates, 10 handles, 11 handles emit, 12 straight lengths, 13 retaining washers, 14 joints, 15 are connected flange, 16 sealing gaskets, 17 are connected the bolt hole of flange.

Embodiment

As shown in Figure 1 and Figure 2, flange coupling connector of the present utility model comprises:

A central straight pipeline section 12, one end have a flange 1 are arranged, and the other end is a joint 14, has locating stud 2 on flange 1;

An axle sleeve 8, it is installed in rotation on described central straight pipeline section 12 between flange 1 and joint 14 the outside has buttress thread form in the outside of axle sleeve 8;

A tightening nut 6, it is installed in the outside of described axle sleeve 8, the outside of this tightening nut 6 has the pawl 4 of the axis symmetrical distribution of at least two relative tightening nuts 6, the inboard has the buttress thread form that the buttress thread form with described axle sleeve 8 is slidingly matched, described two pawls 4 comprise a trailing arm and a transverse arm that stretches towards described flange 1 axis in user mode respectively, and the rear end of trailing arm is installed on the tightening nut 6 swingably by connecting pin 5;

A safety plate 9, the back-end location of its corresponding described two pawls 4 is fixedlyed connected with described axle sleeve 8, and the radial outer end of safety plate 9 is positioned at the inboard of the rear end of described two pawls 4;

An extension spring 7, it is connected the rear end of two pawls 4.

On the basis of the above, the utility model also has following modification:

1, described safety plate 9 disk that is circumferentially extendings, safety plate can be structure as a whole with described straight length 12.

2, the rear end of the trailing arm of described two pawls 4 comprises a straight bar section and the angled end-face towards safety plate one side, and the diameter of safety plate 9 equals the diameter of this straight length inner side when user mode.

3, the upper end of described axle sleeve 8 is fixed with a handle and emits 11, and this handle emits 11 can be structure as a whole with described straight length 12.

4, described handle emits detachable handle 10 is installed on 11.

5, described straight length 12 is equipped with axial thrust bearing 3 in the lower end of axle sleeve 8, at the upper end of axle sleeve 8 retaining washer 13 is installed.

6, the buttress thread form of described tightening nut 6 inboards is single line sliding spiral pair or multi-thread sliding spiral pair.

7, described locating stud 2 is positioned at the position of same specification flange bolt hole, and its diameter is less than the diameter in flange bolt hole, and length is 20-30mm.

8, described joint 14 is inipple or flanged joint, also can be a kind of joint symmetrical with the structure of above-mentioned flange 1 one ends.

Described flange 1 also can be structure as a whole with described straight length 12.

As shown in Figure 1, flange coupling connector of the present utility model comprises the flange 1 of being with straight length, be that flange 1 is welded with straight length 12 (also can be other means of fixation), the joint 14 at straight length 12 rear portions can be flange or inipple, and two locating studs 2 are arranged at end face of flange, locating stud 2 is positioned at the position of same specification flange bolt hole, diameter deducts 1mm for the flange bolt aperture, length is 20--30mm, axle sleeve 8 outsides are processed with buttress thread form, axial thrust bearing is equipped with in the lower end on straight length 12, the upper end handle emits detachable handle is installed on 11, emit the bottom that safety plate 9 is housed at handle, and locate axle sleeve 8, make axle sleeve 8 not understand play up and down by joint 14.Tightening nut 6 inboards with two pawls are processed with the buttress thread form that matches with axle sleeve 8, it is a pair of single line sliding spiral pair, and be connected with two pawls 4 by connecting pin 5, two pawl rear ends are that connecting pin has a straight bar section and 45 degree angled end-faces with top, and have an extension spring 7 to be connected two pawls, 4 rear ends, the diameter of safety plate 9 equals straight-bar end inboard spacing in rear end under two pawls 4 and the flange plumbness.

As shown in Figure 2, flange coupling connector of the present utility model is with before flange 15 is connected, right rotation active handle 10, move downward by axle sleeve 8 drive tightening nuts 6 and two pawls 4, make safety plate 9 throw off two pawls 4, then two pawls 4 outwards open under the effect of extension spring 7, can begin connection work then, locating stud 2 with connector inserts the installation that is connected quick location of flange screw 17 realizations and sealing gasket 16, rotatable handle 10 to the right fast, axle sleeve 8 drive tightening nuts 6 and two pawls 4 are moved upward, in the lifting process, make safety plate 9 snap in two pawls, 4 rear end straight-bar ends gradually by 45 degree angled end-faces of two pawls, 4 rear ends, make two pawls 4 close up to fasten and be connected flange, be rotated further handle then, make two pawls, 4 fastening flanges, axle sleeve 8 produces an impacting force by bearing 3 at the connector flange back side, because the effect of axial thrust bearing 3, not needing much strength can produce enough axial forces combines closely two flanged surfaces, simultaneously guarantee to connect not can be former thereby loosening because of vibration etc. for the self-locking performance of single-wire helix pair, and rotatable handle gets final product easy removal to the right.

Connector in the utility model can be designed to be connected with the flange of all size model, pressure, and the Design Orientation pin is a plurality of as required, as 2-4, pull bar is a three-jaw, but while slip screw dish can be designed to the single-wire helix or the high multi-thread spiral of efficient of the higher self-locking of Security as required.

Above-mentioned just illustrative to the description of model utility with reference to drawings and Examples, and do not constitute qualification to it.Obviously, on basis of the present utility model, can carry out many modification or improvement, but not break away from essence of the present utility model.

Claims (9)

1, a kind of flange coupling connector is characterized in that, this connector comprises:

A central straight pipeline section (12), one end have a flange (1), and the other end is joint (14), has locating stud (2) on flange (1);

An axle sleeve (8), it is installed in rotation on described central straight pipeline section (12) between flange (1) and joint (14) the outside has buttress thread form in the outside of axle sleeve (8);

A tightening nut (6), it is installed in the outside of described axle sleeve (8), the outside of this tightening nut (6) has the pawl (4) of the axis symmetrical distribution of at least two relative tightening nuts (6), the inboard has the buttress thread form that the buttress thread form with described axle sleeve (8) is slidingly matched, described two pawls (4) comprise a trailing arm and a transverse arm that stretches towards described flange (1) axis in user mode respectively, and the rear end of trailing arm is installed on the tightening nut (6) swingably by connecting pin (5):

A safety plate (9), the back-end location of its corresponding described two pawls (4) is fixedlyed connected with described axle sleeve (8), and the radial outer end of safety plate (9) is positioned at the inboard of the rear end of described two pawls (4);

An extension spring (7), it is connected the rear end of two pawls (4).

2, flange coupling connector according to claim 1 is characterized in that, described safety plate (9) is the disk of a circumferentially extending.

3, flange coupling connector according to claim 2, it is characterized in that, the rear end of the trailing arm of described two pawls (4) comprises a straight bar section and the angled end-face towards safety plate one side, and the diameter of safety plate (9) equals the diameter of this straight length inner side when user mode.

According to the described flange coupling connector of one of claim 1-3, it is characterized in that 4, the upper end of described axle sleeve (8) is fixed with a handle and emits (11).

5, flange coupling connector according to claim 4 is characterized in that, described handle emits detachable handle (10) is installed on (11).

6, flange coupling connector according to claim 5 is characterized in that, described straight length (12) is equipped with axial thrust bearing (3) in the lower end of axle sleeve (8), at the upper end of axle sleeve (8) retaining washer (13) is installed.

7, flange coupling connector according to claim 6 is characterized in that, the inboard buttress thread form of described tightening nut (6) is single line sliding spiral pair or multi-thread sliding spiral pair.

8, flange coupling connector according to claim 6 is characterized in that, described locating stud (2) is positioned at the position of same specification flange bolt hole, and its diameter is less than the diameter in flange bolt hole, and length is 20-30mm.

9, flange coupling connector according to claim 6 is characterized in that, described joint (14) is inipple or flanged joint.

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