CN201232823Y

CN201232823Y - Fluid pipe connecting device and matched pipe dismounting tool thereof

Info

Publication number: CN201232823Y
Application number: CNU200820113888XU
Authority: CN
Inventors: 黎莲威
Original assignee: Anye Global Co ltd
Current assignee: Duosheng Investment Co ltd
Priority date: 2008-07-11
Filing date: 2008-07-11
Publication date: 2009-05-06
Anticipated expiration: 2018-07-11

Abstract

In order to solve the problems of troublesome pipe dismounting operation and easy abrasion and damage of the top of the gear pushing ring, the fluid pipe connecting device comprises a pipe joint, a plug sleeve fixedly arranged on the pipe joint, and an internal tooth clamping ring and the gear pushing ring which are arranged in the pipe joint and the plug sleeve; when the pipeline is connected, the pipe wall is tightly clamped by the internal tooth clamping ring after the plug sleeve, the push tooth ring and the internal tooth clamping ring are penetrated by the pipeline; before pipe disassembly, the gear pushing ring pushes away the internal teeth along the insertion direction of the pipeline to enable the internal tooth clamping ring to loosen the pipe wall, and is characterized in that the gear pushing ring is in sliding contact with the plug sleeve; under the state of pipeline connection, the top end of the pushing tooth ring is basically flush with the plug sleeve or is retracted in the plug sleeve. A matched pipe dismantling tool is also provided, which comprises a handle, wherein the handle is connected with a top block which can extend into the space between the plug sleeve and the pipe wall to push the gear pushing ring.

Description

Fluid pipe connection apparatus and the supporting piping tool of tearing open thereof

Technical field

The utility model relates to fluid pipe connection apparatus and the supporting piping tool of tearing open thereof.

Background technique

Notice of authorization number has been put down in writing for No. 200310101202.7 Chinese patent (calling documents in the following text) of CN1324258C and has been used to the fluid pipe connection apparatus (documents is referred to as " water or steam pipe connection set ") that guides fluids such as water or gas to flow, comprise that a pipe joint and one can tighten up the plug sleeve that is installed on the pipe joint, plug sleeve is enclosed within outside the tube wall after being passed by pipeline.Internal tooth snap ring (documents is referred to as " internal tooth clamp ring 3 ") is arranged and push away ring gear (documents is referred to as " opening and closing ring 2 ") and be contained in pipe joint and the plug sleeve.Refute when connecing outwards to squeeze after pipeline passes plug sleeve and pushes away ring gear and open internal tooth and pass internal tooth snap ring, be connected on the pipe joint; If the plastic tube that quality is softer, then refute connect finish after the internal tooth front end embed tube wall slightly; If iron pipe or Stainless Steel Tube then can be slotted on tube wall, allow the internal tooth front end snap in the tube seat; If copper pipe then need not be slotted.When withdrawing from, need push the internal tooth rear portion open along the pipeline direction of insertion and make the internal tooth front end unclamp tube wall could to take out pipe by pushing away ring gear.

The pushing away to adopt between ring gear outer wall and the plug sleeve inwall of documents record is threaded, and pushes away the ring gear top and has recess.Tear when pipe open, catch on recess with special-purpose eave tile spanner and allow along the tubular axis rotation and push away the internal tooth that ring gear is pushed internal tooth snap ring open, pipe withdraws from afterwards backward rotation and allows and push away ring gear and retreat and make the internal tooth returning position.This pushes away between ring gear and the plug sleeve and to adopt screw connection structure to bring two defectives: one, and tear Guan Shixu open and block the recess forward rotation that pushes away ring gear with the eave tile spanner and tear pipe open, backward rotation resets again, troublesome poeration; They are two years old, its top still can allow the eave tile spanner catch on when to push away ring gear promote internal tooth in going deep into plug sleeve in order to allow, in the long-term using process of requirement before pipeline is removed, push away outside the significantly outstanding always plug sleeve in top of ring gear, this just makes that the top that pushes away ring gear is worn easily, damages, and causes tearing pipe smoothly open.

The model utility content

The utility model is intended to solve the problem of tearing the pipe troublesome poeration open, solves the problem that the top push away ring gear is worn easily, damages simultaneously.

The utility model provides fluid pipe connection apparatus, comprises pipe joint, has to tighten up the plug sleeve that is installed on the pipe joint internal tooth snap ring with push away ring gear and be contained in pipe joint and the plug sleeve; Pipeline is refuted when connecing, plug sleeve, push away ring gear and internal tooth snap ring and passed by pipeline after, internal tooth snap ring chucking tube wall; Tear open and push away ring gear before the pipe and push internal tooth open along the pipeline direction of insertion and make internal tooth snap ring unclamp tube wall, it is characterized in that, push away and be sliding contact between ring gear and the plug sleeve; Under pipeline was refuted the state of connecing, it was concordant substantially with plug sleeve or contract in plug sleeve to push away the top of ring gear.

The utility model give with fluid pipe connection apparatus of the present utility model supporting tear piping tool open, it is characterized in that comprise handle, handle is connected to and can stretches into the jacking block that pushes away ring gear between plug sleeve and the tube wall.

Because of the present utility model push away between ring gear and the plug sleeve is sliding contact, can pushes internal tooth open, remove the trouble that rotation pushes away ring gear from so only need axial translation to push away ring gear when tearing pipe open; After taking out pipeline, the deformed state after internal tooth still is in and is pushed ring gear and pushes open, user one unclamps and pushes away ring gear, and just pushing away the anti-pushed home of ring gear, internal tooth is also just automatically reset the deformation elastic force of internal tooth.And documents is threaded because of employing, removes Guan Shixian and blocks the recess rotation that pushes away ring gear with the eave tile wrench, could push away tube wall to internal tooth pipe is removed; After pipe withdrawed from, backward rotation eave tile spanner could allow and push away ring gear and retreat and make the internal tooth returning position, can not automatically reset.The utility model operation is easier by contrast.The top that pushes away ring gear of the utility model fluid pipe connection apparatus is concordant substantially with plug sleeve or contract in plug sleeve, and the top that pushes away ring gear is not exposed and just is difficult for being worn, damaging yet.

In order to cooperate fluid pipe connection apparatus of the present utility model, the piping tool of tearing open that the utility model provides is provided with jacking block, and it stretches between plug sleeve and the tube wall and can make internal tooth snap ring unclamp tube wall pushing away the ring gear top to pushing internal tooth open, thereby takes out pipeline.

Description of drawings

Fig. 1 is the three-dimensional exploded view of external sealed formula fluid pipe connection apparatus.

Fig. 2 is the erection drawing of external sealed formula fluid pipe connection apparatus.

Fig. 3 is first kind of schematic representation of tearing piping tool open.

Fig. 4 is second kind of schematic representation of tearing piping tool open.

Fig. 5 is second kind of perspective view of tearing piping tool open.

Fig. 6 is the three-dimensional exploded view of internal sealed fluid pipe connection apparatus.

Fig. 7 is the erection drawing of internal sealed fluid pipe connection apparatus.

Embodiment

Fig. 1,2 provides external sealed formula fluid pipe connection apparatus, comprises plug sleeve 1, pushes away ring gear 2, internal tooth snap ring 3, support circle 4, seal ring 5 and pipe joint 6.Plug sleeve 1 is put into pipe joint 6, compress or alternate manner tightens up with the closing in instrument, thereby parts such as pushing away ring gear 2, internal tooth snap ring 3, support circle 4 and seal ring 5 is wrapped in pipe joint 6 and the plug sleeve 1, and internal tooth snap ring 3 is placed on the support circle 4, and the below of support circle 4 is seal rings 5.Push away and be sliding contact between ring gear 2 and the plug sleeve 1.Under pipeline was refuted the state of connecing, the top that pushes away ring gear 2 was concordant substantially with plug sleeve 1, as shown in Figure 2.Also can contract in plug sleeve 1 in the top that pushes away ring gear 2.

Tear piping tool open as first kind of Fig. 3, be provided with fixed handle 10 and connect fasteners 11, be provided with flexible handle 12 and connect jacking blocks 13, flexible handle 12 and fixed handle 10 are hinged at the rear portion.When tearing pipe open, allow fastener 11 tighten pipe joints 6 earlier, allow jacking block 13 aim at the top that pushes away ring gear 2 then and stretch into, the mid-rear portion of two handles of holding with a firm grip again makes flexible handle 12 near fixed handles 10, thereby allow jacking block 13 pushing away ring gear 2 tops, make internal tooth snap ring 3 unclamp tube wall 7 to pushing internal tooth open.Only need one-handed operation because tear piping tool open, so available another hand takes out pipeline.Unclamp then and tear piping tool open, push away ring gear 2 by the reverse pushed home of deformation elastic force of internal tooth, internal tooth is also just automatically reset.Though this flexible handle 12 and fixed handle 10 of tearing piping tool open adopt simple and easy and easy to operate articulated manner, be to rotate but not translation between two handles, but because it is very short to displacement to push away the tubular axis of ring gear 2, so when flexible handle 12 rotated near fixed handle 10, the tubular axis of jacking block 13 displacements was to giving full measure to push up to pushing internal tooth open pushing away ring gear 2.

The flexible handle 12 of tearing piping tool open can not be connected with fixed handle 10 yet; Tear piping tool open and also can not establish fastener 11 and fixed handle 10, change into hand and directly catch pipe joint 6.But so just be difficult to one-handed operation.

Tear the jacking block 13 of piping tool open and also can do longly slightly, grow part as flexible handle 12.

Tear piping tool such as Fig. 4,5 open for second kind, fastener 11 is connected on the fixed handle 10, flexible handle 12 hinged securement handles 10, and flexible handle 12 is positioned at fastener 11 rears, and fixed handle 10 is positioned at jacking block 13 rears, and the Placement between jacking block 13 and the flexible handle 12 is:

Be provided with lever, its fulcrum 15 hinged securement handles 10 connect described jacking block 13 before the fulcrum 15, be lever rear portion 14 after the fulcrum 15;

Be connected to push rod 17 on the flexible handle 12, when flexible handle 12 during near lever rear portion 14, push rod 17 promotes lever rear portions 14 makes jacking block 13 near fasteners 11;

Also be provided with two connecting rods 18 that connect lever rear portion 14 and flexible handle 12, when flexible handle 12 during away from lever rear portion 14, two connecting rods, 18 pull lever rear portions 14 make jacking block 13 away from fastener 11, and push rod 17 retreats simultaneously.This tears piping tool open can one-handed operation.

The lever rear portion 14 of Fig. 5 a plurality of external tooths 16 of arranging, described push rod 17 is hinged with flexible handle 12, and push rod 17 can select to withstand the stroke of one of them external tooth 16 with control jacking block 13.Push rod 17 withstands different external tooth 16, and the stroke of jacking block 13 also can be different, plays the effect of adjustment stroke.

Fig. 6,7 provides the internal sealed fluid pipe connection apparatus, comprises plug sleeve 1, pushes away ring gear 2, internal tooth snap ring 3, seal ring 5 and pipe joint 6.Pipe joint 6 outer walls and plug sleeve 1 inwall are provided with the

projection

8,9 that cooperatively interacts, the stagger projection 9 of pipe joint 6 of the projection 8 of plug sleeve 1 is packed into, rotating plug sleeve 1 then makes

projection

8,9 prop up mutually and can tighten up, also can otherwise tighten up, thereby internal tooth snap ring 3, push away parts such as ring gear 2 and seal ring 5 and wrap in pipe joint 6 and the plug sleeve 1.Push away and be sliding contact between ring gear 2 and the plug sleeve 1.Under pipeline was refuted the state of connecing, the top that pushes away ring gear 2 was concordant substantially with plug sleeve 1, as shown in Figure 7.Because internal tooth snap ring 3 is placed directly on the shell, so need not establish support circle 4.

Claims

1. The fluid pipe connection device, including the pipe joint (6), has the plug sleeve (1) fastened on the pipe joint (6), and installs the inner tooth snap ring (3) and the push tooth ring (2) on the pipe joint (6) and the plug sleeve (1); when the pipeline is connected, the plug sleeve (1), the push tooth ring (2) and the internal tooth snap ring (3) are passed through by the pipeline, and the internal tooth snap ring (3) is clamped Pipe wall (7); before dismantling the pipe, push the toothed ring (2) to push the inner teeth along the pipe insertion direction so that the inner tooth snap ring (3) releases the pipe wall (7). It is characterized in that the push toothed ring (2) It is in sliding contact with the plug sleeve (1); in the state of pipeline connection, the top of the push tooth ring (2) is basically flush with the plug sleeve (1) or shrinks in the plug sleeve (1).

2. The pipe removal tool matched with the fluid pipe connection device of claim 1, characterized in that it includes a handle (12), and the handle (12) is connected with a pusher that can be inserted between the plug sleeve (1) and the pipe wall (7). Push the top block (13) of the toothed ring (2).

3. The pipe removal tool according to claim 2, comprising a clip (11) capable of clamping the pipe joint (6) and a fixed handle (10) connecting the clip (11).

4. The pipe removal tool according to claim 3, wherein the handle of the top block (13) is used as a movable handle (12) to hinge the fixed handle (10).

5. The pipe removal tool according to claim 4, the movable handle (12) is located behind the clip (11), the fixed handle (10) is located behind the top block (13), and between the top block (13) and the movable handle (12) The connection method is:

A lever is provided, the fulcrum (15) is hinged to the fixed handle (10), the fulcrum (15) is connected to the top block (13), and the fulcrum (15) is behind the lever rear portion (14);

The movable handle (12) is connected with a push rod (17), and when the movable handle (12) is close to the rear part of the lever (14), the push rod (17) pushes the rear part of the lever (14) to make the top block (13) close to the clip (11);

Also be provided with the two connecting rods (18) that connect lever rear portion (14) and movable handle (12), when movable handle (12) was away from lever rear portion (14), two connecting rods (18) pull lever rear portion ( 14) Make the top block (13) away from the clamp (11), and at the same time push rod (17) retreat.

6. The pipe removal tool according to claim 5, a plurality of external teeth (16) are arranged on the lever rear portion (14), the push rod (17) is hinged with the movable handle (12), and the push rod (17) can be selected Butt against one of the outer teeth (16) to control the stroke of the top block (13).