CN203784509U - Pipe joint - Google Patents

Abstract

The utility model discloses a pipe joint, which is provided with a short pipe-shaped body, wherein a first interface and a second interface which are communicated are respectively arranged at the two ends of the body, and the first interface and the second interface are respectively provided with a first joint ring and a second joint ring at the outer edge ring; at least four first screw through holes which are arranged averagely are arranged at the first joint ring, and at least four second screw through holes which are arranged averagely are arranged at the second joint ring; each second screw through hole is a long slot hole extending to the center of the second interface by a preset length, and each second screw through hole and each first screw through hole are arranged in a staggered mode. The utility model discloses the second joint circle corresponds the joint with the flange piece of pipeline tail end, and first joint circle corresponds the joint with the pipe connector of pump, makes it reach the purpose that constitutes pump and tube coupling, and can provide comparatively abundant apparatus activity space, helps the pump in the future to change outfit the operation.

Description

Fitting

technical field

The utility model relates to a pipe joint.

Background technique

At present, the pump is widely used, mainly through the design of the internal impeller and the inlet/outlet channel, and under the action of the motor that provides the rotary power, the impeller is driven by the rotating shaft of the motor to rotate, so that the water absorption of the pump can be carried out. or pressurized operation.

As shown in Figure 1, generally the connection between the pump 10' and the applied pipeline 20' is mostly to screw a flange at the end of the pipeline 20' that conforms to the specifications of the pipe interface 11' of the pump 10' piece 30', after the flange piece 30' is connected to the pipe connection 11' of the pump 10', connect the flange piece 30' to the pipe connection 11 of the pump 10' through a plurality of bolts 41' and nuts 42' 'Phase locking, so that the purpose of joining the pump 10' and the pipeline 20' is achieved.

Under severe service conditions, after a period of use, the pump will inevitably be faulty or damaged and must be replaced or updated; If the specification of 30' does not match, it is necessary to saw off the end of the pipeline at 20' and reinstall the corresponding flange, otherwise the replacement of the pump cannot be completed.

However, the installation direction and position of pipelines used in general pumps are relatively strictly restricted, which will not only cause troubles for personnel to operate, but also the end of the pipeline may not have a length reserved for shortening, and the end of the pipeline After the end of the pump is shortened, the installation position of the pump must also be adjusted; therefore, how to provide a flange that allows the pump's pipe interface to correspond to most pipelines has always been an urgent desire in the relevant industries. The problem to be solved.

Contents of the invention

The technical problem to be solved by the utility model is to provide a pipe joint that allows the pipe joint of the pump to correspond to the flange pieces of most pipelines.

In order to solve the problems of the technologies described above, the utility model adopts the following technical solutions:

A pipe joint, the pipe joint has a short tubular body, a first interface and a second interface communicated at both ends of the body, the first interface and the second interface are respectively The outer ring is provided with a first engagement ring and a second engagement ring;

At least four evenly arranged first screw holes are provided at the first engagement ring, and at least four evenly arranged second screw holes are provided at the second engagement ring;

Each second screw hole is a long slot extending a predetermined length toward the center of the second interface, and each second screw hole is arranged alternately with each first screw hole.

When the pipe joint of this invention is in use, the second joint ring of the second interface is correspondingly jointed with the flange piece at the end of the pipeline, and the first joint ring of the first joint is correspondingly jointed with the pipe joint of the pump, so that It achieves the purpose of forming the connection between the pump and the pipeline; the overall pipe joint is made into a long slot hole through the second screw hole, and the design of the staggered arrangement of the second screw holes and the first screw holes can make the pipe interface of the pump It corresponds to the installation and use of flanges of most pipelines, and can provide relatively sufficient equipment activity space, which is helpful for future pump replacement operations.

Further, the diameter of the second interface is smaller than that of the first interface, and the outer diameter of the body is in the shape of a curved arc that tapers from the first interface toward the second interface.

Further, at least one groove for accommodating a washer is provided on the second engagement ring of the second interface.

Further, the caliber of the second interface is smaller than the caliber of the first interface, and the outer diameter of the body is a curved structure that tapers from the first interface to the second interface; the second interface The ring at the second engagement ring is provided with at least one groove for accommodating a washer.

Further, the outer periphery of the first engagement ring is protruded with a plurality of evenly arranged first lugs, and each first screw hole is respectively provided on each first lug; the outer periphery of the second engagement ring is protruded with a plurality of There are two evenly distributed second lugs, and each second screw hole is respectively provided on each second lug.

Compared with the prior art, the utility model has the following positive and beneficial effects:

1. The utility model is convenient for related operations of replacing the pump in the future.

2. This utility model can solve the problem that the specification of the pipe interface of the newly replaced pump does not match the specification of the original flange piece at the end of the pipeline and cannot be installed; it can make the pipe interface of the pump correspond to the flange pieces of most pipelines Install and use.

3. The utility model can make use of the tapered and arc-shaped design of the outer diameter of the body, as well as the design of the first lug and the second lug, so that there is ample room for movement of the instrument between the first and second engagement rings, which is convenient for operation. Removal of bolts.

Description of drawings

Fig. 1 is a schematic diagram of a commonly used connection structure between a pump and a pipeline in the prior art.

Fig. 2 is a perspective view of the appearance of the utility model.

Fig. 3 is a structural plan view of the pipe joint in the direction of the first joint ring in the utility model.

Fig. 4 is a structural plan view of the pipe joint in the direction of the second joint ring of the utility model.

Fig. 5 is a cross-sectional view of the structure of the first engagement ring in the installation and use state of the utility model.

Fig. 6 is a cross-sectional view of the structure of the second engagement ring in the installation and use state of the utility model.

Detailed ways

The specific embodiment of the utility model is described below in conjunction with accompanying drawing.

As shown in Figures 2 to 6, this invention mainly provides a pipe joint that allows the pipe interface of the pump to correspond to the flanges of most pipelines. The pipe joint 50 of this invention has a short tubular body 51, a first interface 521 and a second interface 522 communicated at both ends of the body 51, the first interface 521 and the second interface 522 are respectively provided with a first engagement ring 531 and a In the second engagement ring 532 , at least four first screw holes 541 are arranged on the first engagement ring 531 , and at least four second screw holes 542 are arranged on the second engagement ring 532 .

Each second screw hole 542 is a long slot extending a predetermined length toward the center of the second interface 522, and each second screw hole 542 is arranged alternately with each first screw hole 541; The caliber of the second interface 522 is relatively smaller than the caliber of the first interface 521, and the outer diameter of the body 51 is in the shape of a curved arc tapered from the first interface 521 to the direction of the second interface 522; and, the second interface 522 At the second engagement ring 532 , the ring is provided with at least one groove 56 for accommodating a washer. the

Moreover, regardless of whether the pipe joint 50 of the present invention is provided with a groove 56, or whether the outer diameter of the body 51 is in the shape of a curved arc tapered from the first port 521 to the direction of the second port 522, the first engagement ring The periphery of 531 can be further protruded with a plurality of evenly arranged first lugs 551, and each first screw hole 541 is respectively arranged on each first lug 551; and, the periphery of the second engagement ring 532 can also protrude There are a plurality of evenly arranged second lugs 552, and each second screw hole 542 is respectively provided on each second lug 552, mainly using the tapered arc-shaped design of the outer diameter of the body, and the first and second lugs The design makes it possible to form a relatively sufficient space for the movement of instruments (such as wrench) between the first and second engagement rings, which facilitates the disassembly of bolts.

At the same time, with reference to Fig. 5 and Fig. 6, in principle, the pipe joint 50 of the present invention, when in use, is joined by the second joint ring 532 of the second interface 522 and the flange piece 30 at the tail end of the pipeline 20 correspondingly, by The first engagement ring 531 of the first interface 521 is correspondingly engaged with the tube interface 11 of the pump 10 , so that the purpose of forming the connection between the pump 10 and the pipeline 20 is achieved.

And, the overall pipe joint 50 is designed as a long slot through the second screw holes 542, and the design of the staggered arrangement of the second screw holes 542 and the first screw holes 541 allows the pipe interface of the pump to correspond to the method of most pipelines. The blue piece is installed and used, and can provide a relatively abundant equipment activity space, which is helpful for the replacement of the pump in the future.

Specifically, the pipe joint disclosed in this creation can produce the following effects:

1. It is convenient for the related operation of replacing the pump in the future.

2. It can solve the problem that the specification of the pipe interface of the newly replaced pump does not match the specification of the original flange piece at the end of the pipeline and cannot be installed.

3. The tapered and arc-shaped design of the outer diameter of the body and the design of the first and second lugs can still be used to form a relatively sufficient room for movement of the instrument between the first and second engagement rings, which facilitates the removal of bolts.

The words "upper", "lower", "left", "right" etc. used in this article to describe the orientation are based on the orientation shown in the drawings for the convenience of explanation. In the actual device, these Orientation may vary due to how the unit is positioned.

To sum up, the embodiment described in this utility model only provides a kind of optimal implementation mode, and the technical content and technical characteristics of this utility model have been disclosed as above, but those who are familiar with this technology may still be based on this utility model. According to the disclosed content, various replacements and modifications are made without departing from the creative spirit of the present invention; The equivalent changes are all covered within the protection scope of the present utility model.

Claims (5)

1. a pipe joint, it is characterized in that: described pipe joint has a body that is short tube shape, in these body two ends, be arranged with the first interface and one second interface that communicate, described first interface and described the second interface are equipped with respectively one first attachment ring and one second attachment ring in its outer;

At described the first attachment ring place, be provided with the first screw perforation of at least four average configurations, at described the second attachment ring place, be provided with the second screw perforation of at least four average configurations;

Each the second screw perforation is the slotted hole towards the center of described the second interface definite length extended, and each the second screw perforation is interconnected with each the first screw perforation.

2. pipe joint according to claim 1, is characterized in that: the bore of described the second interface is less than the bore of described first interface, and the external diameter of described body is to be the curved arc structure towards the second interface direction convergent from first interface.

3. pipe joint according to claim 1, is characterized in that: the second attachment ring place of described the second interface is equipped with at least one groove for accommodating packing ring.

4. pipe joint according to claim 1, is characterized in that: the bore of described the second interface is less than the bore of described first interface, and the external diameter of described body is to be the curved arc structure towards the second interface direction convergent from first interface; The second attachment ring place of described the second interface is equipped with at least one groove for accommodating packing ring.

5. according to the pipe joint described in arbitrary claim in claim 1 to 4, it is characterized in that: the periphery of the first attachment ring convexes with a plurality of the first lugs that are average configuration, each the first screw perforation is located at respectively on each first lug; The periphery of described the second attachment ring convexes with a plurality of the second lugs that are average configuration, and each the second screw perforation is located at respectively on each second lug.