CN212947588U

CN212947588U - Auxiliary tool for installing three-way joint or four-way joint

Info

Publication number: CN212947588U
Application number: CN202021253368.6U
Authority: CN
Inventors: 李罗; 阳春; 冯晓
Original assignee: Avic Chengfei Commercial Aircraft Co ltd
Current assignee: Avic Chengfei Commercial Aircraft Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-13
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an auxiliary tool for installing a three-way joint or a four-way joint, which belongs to the field of pipeline installation tools and provides a tool which can conveniently carry out auxiliary positioning on the corresponding three-way joint or four-way joint so as to reduce or even avoid the problems of unstable joint and easy bending deformation of a pipeline in the process of connecting and installing the joint and the pipeline; including handheld handle, cassette and compressing tightly the lid, the cassette is the major arc arch form from overlooking the direction to upper surface at the cassette is provided with the cross slot, the one end of handheld handle and the bottom fixed connection of cassette, the other end downwardly extending of handheld handle forms the region of gripping, compresses tightly the lid for the major arc bow-shaped plate that matches with the cassette shape, compresses tightly the lid and installs on the cassette for can dismantling. The utility model discloses can play effective fixed and the location of butt joint part, reduce rocking that connects in the operation process, and then reduce and cause the joint to bump the problem and reduce the problem of the pipeline bending deformation that the installation caused.

Description

Auxiliary tool for installing three-way joint or four-way joint

Technical Field

The utility model relates to a pipeline mounting tool field especially relates to a three way connection or cross joint installation appurtenance.

Background

The fixed force installation of the tee joint or the four-way joint is a wide installation operation on an aviation product, the requirement of the aviation field on the fixed force of the tee joint or the four-way joint and the pipeline installation is high, the installation quality of the tee joint or the four-way joint and the pipeline is directly related to the service life and the flight safety of the aviation product, and therefore extremely high safety use performance and good appearance inspection are pursued, and the fixed force process of the tee joint or the four-way joint and the pipeline installation is indispensable.

In addition, because the operating space on the aircraft is narrow, the fixed force value requirement of the joint and the pipeline is often larger; for example, the aircrew oxygen pipelines on the aircraft are connected with corresponding joints in a fixed force manner, the aircrew oxygen pipelines are generally made of aluminum material pipelines, the aircrew oxygen pipelines are suspended in the air in the fixed force installation operation process, the stability of a matched connecting nut on the joints is poor in the tightening process, and the tee joint or the four-way joint is inconvenient to fix and easy to shake during connection, so that the aircraft body structure or the joints are easily damaged or the corresponding pipelines are bent and deformed, and the pipelines are seriously damaged and need to be replaced again; and often can't obtain ideal product appearance quality after connecting the installation to there are a lot of problems such as joint and air service oxygen hose installation not in place, tightening torque is not enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can be convenient for carry out assistance-localization real-time to corresponding three way connection or four way connection to reduce and avoid even connecting unstable and the easy bending deformation's of pipeline problem in connecting with the tube coupling installation.

The utility model provides a technical scheme that its technical problem adopted is: an auxiliary tool for installing a three-way joint or a four-way joint comprises a handheld grip, a clamping seat and a pressing cover, wherein the clamping seat is in a major arc shape when viewed from the top, a cross-shaped groove is arranged on the upper surface of the clamping seat, the cross midpoint Q of the crossed groove is positioned at the circle center O of the arc-shaped clamping seat, one port of the crossed groove vertically penetrates out from the side edge of the clamping seat corresponding to the arc-shaped chord of the major arc, the other three ports of the crossed groove penetrate out from the edge of the clamping seat corresponding to the corresponding direction of the arc-shaped chord of the major arc, one end of the handheld handle is fixedly connected with the bottom of the clamping seat, the other end of the handheld handle extends downwards to form a holding area, the pressing cover is an arc-shaped plate of the major arc matched with the shape of the clamping seat, the pressing cover is detachably installed on the clamping seat, and the pressing cover can be tightly connected with the clamping cover and installed above the crossed groove.

Further, the method comprises the following steps: the crisscross grooves are in a vertical crossed structure.

Further, the method comprises the following steps: three ports penetrating out of the cross-shaped groove and corresponding to the corresponding azimuth side of the clamping seat corresponding to the arc of the major arc are respectively a front groove, a rear groove and a left groove, the other port is a right groove, and the distance D from the cross midpoint Q of the cross-shaped groove to the port of the right groove is smaller than the distance L from the cross midpoint P of the corresponding three-way joint or four-way joint to the joint nut.

Further, the method comprises the following steps: and the middle parts of the front groove, the rear groove and the left groove are provided with expansion cavities for accommodating joint nuts on the three-way joint or the four-way joint.

Further, the method comprises the following steps: be provided with a plurality of buckle subassembly along the periphery that compresses tightly the lid to compress tightly the installation that the lid can be dismantled through above-mentioned buckle subassembly and cassette realization.

Further, the method comprises the following steps: each group of buckle components comprises a buckle slot, a buckle ring, a buckle seat and a spanner, wherein the buckle slot is fixedly arranged on the pressing cover, the buckle seat is fixedly arranged on the clamp seat, one end of the spanner is hinged to the clamp seat, the other end of the spanner is a force application end, one end of the buckle ring is hinged to the middle of the spanner and is close to one side of the clamp seat, and the other end of the buckle ring is a buckle tongue which can be in buckle fit with the buckle slot.

The utility model has the advantages that: at the in-process of pipeline and corresponding three way connection or four way connection installation, through using appurtenance, can guarantee to play effective fixed and the location of butt joint part when screwing up corresponding joint nut, reduce rocking that connects in the operation process, and then reduce and cause the problem of the pipeline bending deformation that the joint collided the problem and reduced the installation and caused. The utility model discloses especially, be applicable to the torsion that butt joint and tube coupling required great, operating space is limited and require the circumstances such as decide the power connection, can improve the joint effectively and be connected the installation effectiveness with the pipeline, guarantee to connect installation quality.

Drawings

Fig. 1 is a schematic view of a top view direction of the auxiliary tool for installing a three-way joint or a four-way joint according to the present invention, and is a schematic view of a clamping seat portion;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

FIG. 3 is a front view of the buckle assembly;

FIG. 4 is a side view of the snap assembly;

FIG. 5 is a schematic view of a tee structure and connections to corresponding piping;

FIGS. 6 and 7 are schematic views of the coupling structure of FIG. 5 in a state of engagement with an auxiliary tool corresponding to different steps of a fitting nut tightening operation;

labeled as: the clamping device comprises a handheld grip 1, a clamping seat 2, a pressing cover 3, a crisscross groove 4, a front groove 41, a rear groove 42, a left groove 43, a right groove 44, an expansion cavity 45, a buckle component 5, a buckle groove 51, a buckle ring 52, a buckle tongue 521, a buckle seat 53, a wrench 54, a joint nut 6, a three-way joint 7 and a pipeline 8.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

It should be noted that, if directional indications are used in the embodiments of the present invention, such as terms of directions and orientations of up, down, left, right, front and back, the description of relative position relationship between members is facilitated, and an absolute position that is not a relative position relationship between related members and between members is specifically referred to, and is only used for explaining the relative position relationship between each member and the motion situation under a certain specific posture, and if the specific posture is changed, the directional indication is also changed accordingly.

As shown in figures 1 to 4, the tee joint or four-way joint installation auxiliary tool of the utility model comprises a hand-held grip 1, a cassette 2 and a pressing cover 3, the cassette 2 is in a shape of a major arc when viewed from the top, a cross-shaped groove 4 is arranged on the upper surface of the cassette 2, the cross-shaped midpoint Q of the cross-shaped groove 4 is positioned at the circle center O of the cassette 2 in the shape of the major arc, one end of the cross-shaped groove 4 vertically penetrates out from the side edge of the cassette 2 corresponding to the chord of the major arc, the other three ends of the cross-shaped groove 4 penetrate out from the edge of the cassette 2 corresponding to the corresponding direction of the arc of the major arc, one end of the hand-held grip 1 is fixedly connected with the bottom of the cassette 2, the other end of the hand-held grip 1 extends downwards to form a holding area, the pressing cover 3 is a major arc plate matched with the shape of the cassette 2, the pressing cover 3 is detachably installed on, and the hold-down cap 3 can be fitted over the criss-cross groove 4 in a snap-fit connection.

The crisscross grooves 4 are groove structures for placing corresponding three-way joints or four-way joints, so that the joints are limited, and the joints can be limited in the crisscross grooves 4 after the pressing covers 3 are installed; so as to indirectly position and stabilize the joint by holding the hand grip 1. Of course, without loss of generality, the hand-held electric tool can be directly and manually held by a person during holding, and can also be replaced by clamping by a corresponding clamping tool.

More specifically, three way connection or four-way connection are its each port trend of vertically setting up usually, simultaneously because in follow-up use, need rotate behind the three way connection or the four-way connection in different position put into the cross slot 4 again and carry on spacingly, consequently the utility model provides a cross slot 4 is preferred to be set up to vertical cross structure.

In addition, referring to fig. 1, in the crisscross groove 4 of the present invention, three ports penetrating out from the corresponding position side of the cassette 2 corresponding to the arc of the major arc respectively correspond to the front groove 41, the rear groove 42, and the left groove 43, and the other port corresponds to the right groove 44, and the distance D from the cross midpoint Q of the crisscross groove 4 to the port of the right groove 44 is smaller than the distance L from the cross midpoint P of the corresponding three-way joint or four-way joint to the joint nut 6. This is because, during the connection operation, at least one union nut 6 on the union should be located outside the criss-cross groove 4 so as to facilitate the screwing operation of the exposed union nut 6 to achieve the connection operation between the corresponding port of the union and the corresponding pipe. Therefore, after the right groove 44 is formed, the three-way joint or the four-way joint is placed in the crisscross groove 4, and the port at one end of the three-way joint or the four-way joint is matched with the right groove 44, so that the joint nut 6 at the end is exposed, and the joint nut 6 can be screwed to realize the connection with the corresponding pipeline 8. For example, the states shown in fig. 6 and fig. 7 are that the joint nuts 6 at different ends of the three-way joint 7 are respectively connected with the corresponding pipelines 8; after the joint nut 6 at one end and the corresponding pipeline 8 are connected, the three-way joint 7 is taken out and the pressing cover 3 is relatively rotated after the pressing cover 3 is detached, the three-way joint 7 is placed into the cross-shaped groove 4 again after the auxiliary tool is rotated for 90 degrees, and the pressing cover 3 is covered again, so that the joint nut 6 at the other end and the pipeline 8 can be screwed and connected; the screwing connection of the joint nuts 6 corresponding to the three ports on the three-way joint 7 and the pipeline 8 can be realized by repeating the steps.

In addition, for the front groove 41, the rear groove 42 and the left groove 43, since the three do not need to screw the joint nut 6 put into the grooves, the length dimensions of the front groove 41, the rear groove 42 and the left groove 43 can be set to be relatively long, so that the joint nut 6 at the corresponding end of the joint, even the partial pipeline 8 connected to the corresponding structure nut 6, can be limited in the grooves, the joint can be limited in a wider range, and the limiting effect can be improved. In addition, it is contemplated that the fitting nut 6 on the fitting will generally be larger than the body of the middle portion of the three-way fitting or four-way fitting and larger than the corresponding conduit 8; therefore, the utility model is further provided with an expansion cavity 45 for accommodating the joint nut 6 on the three-way joint or the four-way joint at the middle positions of the front groove 41, the rear groove 42 and the left groove 43; therefore, the matching effect of the crisscross grooves 4 and the corresponding three-way joint or four-way joint can be further improved, and the limiting effect on the three-way joint or the four-way joint can be further improved.

In addition, the utility model provides a buckle subassembly 5's effect is used for the dismouting to be connected and compresses tightly lid 3 and cassette 2 to put into or take out the joint portion. Generally, several snap assemblies 5 may be provided along the periphery of the hold-down cover 3, for example, four snap assemblies 5 are provided in the drawing, and two of them are provided on the side corresponding to the chord of the arc of the major arc, and the other two are provided on the edge corresponding to the arc of the major arc.

In addition, in order to realize the quick assembly and disassembly between the pressing cover 3 and the clamping seat 2, the pressing cover 3 is preferably installed through the buckle assembly 5 and the clamping seat 2, and the quick assembly and disassembly can be realized; for example, referring to fig. 3 and 4, each group of snap-fit assemblies 5 includes a catching groove 51, a retaining ring 52, a catching seat 53 and a wrench 54, the catching groove 51 is fixedly mounted on the pressing cover 3, the catching seat 53 is fixedly mounted on the clamping seat 2, one end of the wrench 54 is hinged to the clamping seat 2, the other end of the wrench 54 is a force applying end, one end of the retaining ring 52 is hinged to the middle of the wrench 54 and is close to one side of the clamping seat 2, and the other end of the retaining ring 52 is a tongue 521 that can be in snap fit with the catching groove 51. After the latch 521 is buckled into the corresponding notch on the buckle slot 51, the pressing cover 3 and the clamping base 2 can be fastened and connected through the buckle ring 52 by pressing down the force application end of the wrench 54, and the wrench 54 is only required to be turned upwards during disassembly, so that the latch 521 can be withdrawn from the corresponding notch on the buckle slot 51, and the operation is very convenient and fast.

In addition, as shown in fig. 5 to 7, a schematic diagram illustrating a connection operation with the pipeline 8 by taking the three-way joint 7 as an example is shown. Wherein, fig. 6 and fig. 7 are respectively a screwing operation between the joint nuts 6 corresponding to two different ports in the same three-way joint 7 and the corresponding pipelines 8, after the pressing cover 3 needs to be disassembled and assembled between the two, the corresponding placement directions of the three-way joint 7 are adjusted to expose the joint nuts 6 in different directions within the clamping base 2, so as to advance the screwing operation between the joint nuts 6 of different ports and the corresponding pipelines 8; of course, the screwing connection of the joint nuts 6 corresponding to the three ports of the three-way joint 7 and the pipeline 8 can be realized by the repeated operation.

In addition, without losing the generality, tee bend joint or cross-fitting installation appurtenance also accessible and corresponding decide power tools such as power spanner and use in coordination, can satisfy the requirement that the connection needs of butt joint and pipeline be connected for deciding power.

Claims

1. Three way connection or four way connection installation appurtenance, its characterized in that: comprises a hand-held grip (1), a card holder (2) and a pressing cover (3), wherein the card holder (2) is in a major arc arch shape when viewed from the overlooking direction, a cross-shaped groove (4) is arranged on the upper surface of the card holder (2), the cross midpoint Q of the cross-shaped groove (4) is positioned at the circle center O of the major arc arch card holder (2), one port of the cross-shaped groove (4) vertically penetrates out from the side edge of the card holder (2) corresponding to the chord of the major arc, the other three ports of the cross-shaped groove (4) penetrate out from the edge of the card holder (2) corresponding to the corresponding direction of the major arc arch, one end of the hand-held grip (1) is fixedly connected with the bottom of the card holder (2), the other end of the hand-held grip (1) extends downwards to form a holding area, the pressing cover (3) is a major arc arch plate matched with the shape of the card holder (2), and the pressing cover (3) is detachably arranged on the, and the pressing cover (3) can be tightly connected and installed above the crisscross grooves (4).

2. The three-way joint or four-way joint installation auxiliary tool of claim 1, wherein: the crisscross grooves (4) are in a vertical crisscross structure.

3. The three-way joint or four-way joint installation auxiliary tool of claim 1, wherein: three ports penetrating out of the crossed grooves (4) corresponding to the corresponding azimuth sides of the clamping seats (2) corresponding to the arcs of the major arcs are respectively a front groove (41), a rear groove (42) and a left groove (43), the other port is a right groove (44), and the distance D between the right groove (44) and the port from the crossed midpoint Q of the crossed grooves (4) is smaller than the distance L between the crossed midpoint P of the corresponding three-way joint or four-way joint and the joint nut (6).

4. The three-way joint or four-way joint installation auxiliary tool of claim 1, wherein: and the middle positions of the front groove (41), the rear groove (42) and the left groove (43) are provided with an expansion cavity (45) for accommodating a joint nut (6) on a three-way joint or a four-way joint.

5. The three-way joint or four-way joint installation auxiliary tool according to any one of claims 1 to 4, wherein: a plurality of buckle assemblies (5) are arranged along the periphery of the pressing cover (3), and the pressing cover (3) can be detachably mounted through the buckle assemblies (5) and the clamping seat (2).

6. The three-way joint or four-way joint installation auxiliary tool of claim 5, wherein: each group of buckle components (5) comprises a buckle groove (51), a buckle ring (52), a buckle seat (53) and a wrench (54), the buckle groove (51) is fixedly arranged on the pressing cover (3), the buckle seat (53) is fixedly arranged on the clamping seat (2), one end of the wrench (54) is hinged to the clamping seat (2), the other end of the wrench (54) is a force application end, one end of the buckle ring (52) is hinged to the middle of the wrench (54) and is close to one side of the clamping seat (2), and the other end of the buckle ring (52) can be buckled with the buckle groove (51) to form a buckle tongue (521).