CN217784471U - Pipeline connecting device and high-pressure cleaning machine - Google Patents

Abstract

The utility model discloses a pipe connection device and high pressure cleaner, pipe connection device includes: the device comprises a first pipeline connector, a second pipeline connector, a flexible connector and a locking piece, wherein the second pipeline connector is sleeved with the first pipeline connector, and a first threaded connector is formed at the end part, away from the first pipeline connector, of the second pipeline connector; the flexible connector is used for being arranged on the second pipeline connector through the first threaded connector and used for accommodating the end part of a pipeline; the locking piece is sleeved outside the flexible connector; wherein, rotate or remove retaining member can extrude flexible connector, so that flexible connector compresses tightly the outer wall of pipeline and then locks the pipeline. Through the utility model discloses can the pipeline of adaptation screw thread mouth and non-screw thread mouth, can also the pipeline of the different pipe diameters of adaptation, improve the commonality, need not to change different connectors in the face of the pipeline of non-adaptation, save the cost.

Description

Pipeline connecting device and high-pressure cleaning machine

Technical Field

The utility model relates to a connector technical field especially relates to a pipe connection device and high pressure cleaner.

Background

In daily life, a situation that two pipelines need to be connected is usually encountered. For example, high pressure cleaners often require a connector to connect an external water line when water is added.

The connectors of the prior art are generally tubular structures with threaded holes at both ends, and two pipes to be connected are matched with the threaded holes at both ends of the connectors, so that the two pipes are assembled with the connectors.

However, the pipe diameters of water pipes in all homes are not the same, and there may be differences in pipe diameters of water pipes in some homes. When facing water pipes with different pipe diameters, the connector in the prior art needs to be connected by arranging different connectors for connection between the pipes with different pipe diameters, so that the cost is high; and the connector adopting threaded connection is not applicable to pipelines with non-threaded openings, and has poor universality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipe connection device and high pressure cleaner aims at solving the different pipe diameters of present connector difficult to the adaptation, the poor problem of commonality.

In a first aspect, the present invention provides a pipe connection device, including: the device comprises a first pipeline connector, a second pipeline connector, a flexible connector and a locking piece, wherein the second pipeline connector is sleeved with the first pipeline connector, and a first threaded connector is formed at the end part, far away from the first pipeline connector, of the second pipeline connector; the flexible connector is used for being arranged on the second pipeline connector through the first threaded connector and used for accommodating the end part of a pipeline; the locking piece is sleeved outside the flexible connector; wherein, it can extrude to rotate or remove retaining member flexible connector, so that flexible connector compresses tightly the outer wall of pipeline and then locks the pipeline.

Further, the flexible connector includes: a cylinder for receiving an end of the pipe; the external thread column is integrally formed on the cylinder body and is connected with the first thread connecting port; an elastic connection part formed at an opening of the cylinder; the locking piece is sleeved on the outer side of the elastic connecting portion to extrude the elastic connecting portion, so that the inner side of the elastic connecting portion compresses the outer wall of the pipeline.

Furthermore, the elastic connecting part comprises a plurality of elastic sheet bodies, the elastic sheet bodies surround the opening of the barrel body at intervals, and deformation grooves are formed between the adjacent elastic sheet bodies.

Further, the male screw post is formed at an end of the cylinder, and a diameter of the male screw post is smaller than a diameter of the cylinder, so that an abutment surface for abutting an end of a pipe is formed at the end of the cylinder.

Further, the pipeline connecting device further comprises a connecting seat, wherein an external thread is formed on the outer wall of the connecting seat, and the connecting seat is matched with the first threaded connecting port through the external thread so as to be fixed to the second pipeline connector; and a second threaded connector is further formed on the inner wall of the connecting seat, and the connecting seat is matched with the external threaded column through the second threaded connector so as to fix the flexible connector.

Further, an inner flange is formed on the inner wall of the connecting seat and is abutted to the end part of the external thread column.

Further, the caliber of the second threaded connection port is smaller than the caliber of the first threaded connection port.

Furthermore, the pipeline connecting device also comprises at least one sealing ring, the sealing ring is arranged in the second threaded connecting port, and the sealing ring is propped against the inner flange by the end part of the external threaded column

Furthermore, the sealing ring is arranged in the first threaded connecting port, and the end part of the connecting seat abuts against the bottom wall of the second threaded connecting port.

Further, the pipeline connecting device further comprises a rubber ring, the rubber ring is used for sleeving the pipeline, and the outer wall of the rubber ring is abutted to the inner side of the flexible connector.

Furthermore, the outer wall surface of at least one of the first pipeline connector, the second pipeline connector and the flexible connector is provided with an anti-skid part.

In a second aspect, the present invention also provides a high pressure cleaning machine, including washing ground device and pipe connection device, pipe connection device be the first aspect pipe connection device, wherein, wash ground device and be connected with first pipe connection head, first threaded connection mouth or flexible connector are used for being connected with outside pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the second pipeline connector is sleeved with the first pipeline connector, the first pipeline connector is used for connecting a water pipe at one end, a first threaded connector is formed at the end part of the second pipeline connector, the flexible connector is installed through the first threaded connector and used for connecting a water pipe at the other end, the flexible connector can accommodate water pipes with different pipe diameters, when the end part of the water pipe is accommodated in the flexible connector, the flexible connector is sleeved outside the flexible connector through the locking piece, the locking piece extrudes the flexible connector, the flexible connector is enabled to tightly press the outer wall of the pipeline, and therefore the pipeline is locked, and through the matching of the flexible connector and the locking piece, the flexible connector can be enabled to adapt to pipelines with different pipe diameters, and pipelines with threaded openings and pipelines with non-threaded openings can be adapted; in addition, because the second pipe connection head has first threaded connection mouth, when needs and the pipe connection of screw thread mouth, can also dismantle flexible connector get off, accomplish the assembly with the first threaded connection mouth connection on threaded pipeline and the second pipe connection head, greatly improved the commonality to the pipeline, can adapt to the water pipe of different pipe diameters, need not to change different connectors, save the cost, improve and use experience.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 shows an exploded view of a pipe connection device according to an embodiment of the present invention;

fig. 2 shows a schematic view of a pipe connection device according to an embodiment of the present invention;

FIG. 3 illustrates a partial enlarged view of FIG. 2;

fig. 4 shows an exploded cross-sectional view of a pipe connection device according to an embodiment of the present invention;

fig. 5 shows a schematic view of another embodiment of the pipe coupling device of the present invention;

fig. 6 shows a schematic view of another embodiment of the pipe connection device of the present invention;

fig. 7 shows another schematic view of a pipe coupling according to an embodiment of the present invention;

10. a first pipe connector; 20. a second pipe joint; 21. a first threaded connector; 30. a flexible connector; 31. a barrel; 32. an externally threaded post; 33. an elastic connection portion; 34. a butting surface; 40. a connecting seat; 41. an external thread; 42. a second threaded connector; 43. an inner flange; 50. a seal ring; 60. a rubber ring; 70. And a non-slip part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

The embodiment of the utility model provides a through providing a pipe connection device, solved the poor problem of current connector commonality, through install a flexible connector again at the tip of connector, utilize the retaining member to compress tightly flexible connector and then locking pipeline to solve the poor problem of current connector commonality, can the pipeline of the different pipe diameters of adaptation, and no matter be the homoenergetic adaptation of screw thread mouth or non-screw thread mouth, improve and use experience.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned awkward problem, the general thinking is as follows:

through cup jointing two connectors, set up the hickey on the tip of one of them connector, this hickey can be used for connecting the pipeline of screw thread mouth on the one hand, on the other hand utilizes this hickey to adorn a flexible connector again, because flexible connector has certain ductility, make it can the different pipe diameters of adaptation pipeline, during the assembly, the tip of pipeline is acceptd in the flexible connector, rethread retaining member cover is in the outside of flexible connector, thereby utilize the retaining member to compress tightly flexible connector locking pipeline, thereby the poor problem of current connector commonality has been solved, the assembly to different pipe diameter pipelines has been realized, when facing the pipeline of different pipe diameters, need not to change other connectors, and the cost is saved, and the use is experienced.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

Referring to fig. 1 to 7, the present embodiment provides a pipe connecting device including: the pipeline connector comprises a first pipeline connector 10, a second pipeline connector 20, a flexible connector 30 and a locking member, wherein the second pipeline connector 20 is sleeved with the first pipeline connector 10, and a first threaded connector 21 is formed at the end part, far away from the first pipeline connector 10, of the second pipeline connector 20; the flexible connector 30 is used for being arranged on the second pipeline connector 20 through the first threaded connector 21, and the flexible connector 30 is used for accommodating the end part of a pipeline; the locking piece is sleeved outside the flexible connector 30; wherein, rotating or moving the retaining member can squeeze the flexible connector 30, so that the flexible connector 30 compresses the outer wall of the pipeline to lock the pipeline.

Through the embodiment, the second pipeline connector 20 is sleeved with the first pipeline connector 10, the first pipeline connector 10 is used for connecting a water pipe at one end, a first threaded connector 21 is formed at the end of the second pipeline connector 20, the flexible connector 30 is installed through the first threaded connector 21, the flexible connector 30 is used for connecting a water pipe at the other end, the flexible connector 30 can accommodate water pipes with different pipe diameters, when the end of the water pipe is accommodated in the flexible connector 30, the flexible connector 30 is sleeved outside the flexible connector 30 through the locking member, the locking member presses the flexible connector 30 to enable the flexible connector 30 to tightly press the outer wall of the pipeline, so that the pipeline is locked, and therefore, through the matching of the flexible connector 30 and the locking member, the flexible connector 30 can be adapted to pipelines with different pipe diameters, and the pipeline can be adapted to both threaded and non-threaded pipelines; in addition, because second pipe connection head 20 has first threaded connection mouth 21, when needs and the pipe connection of screw thread mouth, can also dismantle flexible connection head 30 get off, be connected threaded pipeline and the first threaded connection mouth 21 on the second pipe connection head 20 and accomplish the assembly, greatly improved the commonality to the pipeline, can adapt to the water pipe of different pipe diameters, need not to change different connectors, save the cost, improve and use experience.

In one embodiment, referring to fig. 4, the flexible connector 30 includes: the pipe comprises a cylinder body 31, an external thread 41, a column 32 and an elastic connecting part 33, wherein the cylinder body 31 is used for accommodating the end part of a pipeline; a male screw 41 cylinder 32 integrally formed with the cylinder 31, the male screw 41 cylinder 32 being connected to the first threaded connection port 21; an elastic connection portion 33 formed in an opening of the cylinder 31; the locking member is sleeved on the outer side of the elastic connecting portion 33 to press the elastic connecting portion 33, so that the inner side of the elastic connecting portion 33 compresses the outer wall of the pipeline. Specifically, one end of the cylinder 31 is closed and the other end has an opening, the male screw 41 is provided at the closed end of the cylinder 31, and the elastic connection portion 33 is provided along the opening of the cylinder 31. The form of the elastic connection portion 33 is various, for example, an elastic collar, or an elastic clamping element, and any form may be used as long as it can elastically abut against the outer wall of the pipe, which is not limited herein. During the assembly, the tip of pipeline stretches into barrel 31, and the retaining member cover is in the elastic connection portion 33 outside, and elastic connection portion 33 elasticity butt is rotatory or remove the retaining member in the outer wall of pipeline, makes retaining member extrusion elastic connection portion 33, and then elastic connection portion 33 compresses tightly the outer wall of pipeline to the locking pipeline. From this, the pipeline of different pipe diameters, perhaps screw thread mouth or non-threaded pipeline all can stretch into barrel 31, utilize retaining member and 33 cooperation of elastic connection portion to lock the pipeline, have greatly improved the commonality, can the different pipe diameters of adaptation and the pipeline of different grade type.

It should be noted that the form of the locking member (not shown in the drawings) in the present embodiment is various, for example, a locking ring, a locking sleeve, etc., and is not limited herein. The first pipe connection head 10 may take a variety of forms, such as a single threaded pipe, or may take other forms, and is not limited thereto.

This embodiment provides a preferred embodiment of the resilient connecting portion 33, and referring to fig. 4, the resilient connecting portion 33 includes a plurality of elastic sheets spaced around the opening of the barrel 31, and a deformation groove is formed between adjacent elastic sheets. Specifically, the elastic sheet body extends from the opening of the barrel 31 to the direction away from the barrel 31 to form, the plurality of elastic sheet bodies are arranged around the opening of the barrel 31 at uniform intervals, and the elastic sheet body is in a sheet shape, has certain elasticity, and can deform towards the inner side of the opening of the barrel 31 when stressed. All have the clearance between the adjacent opening, this clearance is the deformation groove that supplies the deformation of bullet lamellar body promptly, and when the shell fragment integument retaining member extruded, the deformation groove can provide the space of deformation for the bullet lamellar body, is difficult to collapse, improves the reliability. And the bullet piece body is surrounded opening 360 degrees and is arranged, and extends and have certain length for the area of contact of bullet piece body and pipeline outer wall is big, and compactness is better when making retaining member locking, can avoid leaking, improves the leakproofness.

Further, the male screw 41 is formed at the end of the cylindrical body 31, and the diameter of the male screw 32 is smaller than the diameter of the cylindrical body 31, so that an abutment surface 34 for abutting the end of the pipe is formed at the end of the cylindrical body 31. Specifically, the closed end of the cylinder 31 is the abutting surface 34, and during assembly, the end of the pipe extends into the cylinder 31 until abutting against the abutting surface 34 to stop, and the abutting surface 34 provides a limit for the assembly of the pipe.

In one embodiment, referring to fig. 1 to 4, the pipe connecting apparatus further includes a connecting seat 40, an outer wall of the connecting seat 40 is formed with an external thread 41, and the connecting seat 40 is engaged with the first threaded connection port 21 through the external thread 41 to be fixed to the second pipe connection head 20; a second threaded connection port 42 is further formed on the inner wall of the connection seat 40, and the connection seat 40 is matched with the external thread 41 column 32 through the second threaded connection port 42 to fix the flexible connection head 30. Specifically, the connecting seat 40 is integrally cylindrical, an outer flange is formed at an opening of the cylinder, the outer flange is compressed by the flexible connector 30 and the second pipeline connector 20 together during assembly, and an external thread 41 is formed on the outer wall surface of the cylinder to be assembled with the first threaded connector. The connecting seat 40 is added between the flexible connector 30 and the second pipe connector 20 to assemble the flexible connector 30, so that the flexible connector 30 can be conveniently installed. Referring to fig. 5 and 6, the diameter of the second threaded connection port 42 is set to be smaller than the diameter of the first threaded connection port 21. From this, can also connect the screwed conduit of little pipe diameter through connecting seat 40, realized the adaptation to the screwed conduit of different pipe diameters, when inserting big pipe diameter screwed conduit, then tear connecting seat 40 open, big pipe diameter screwed conduit is direct fixed with the cooperation of first hickey, when inserting little pipe diameter screwed conduit, then installed connecting seat 40, it is fixed with the cooperation of the second hickey of connecting seat 40 with little pipe diameter screwed conduit, can realize the adaptation to the screwed conduit of different pipe diameters.

In this embodiment, the inner wall of the connecting socket 40 is further formed with an inner flange 43, and the inner flange 43 abuts against the end of the external thread 41 column 32. Specifically, the inner flange 43 is provided to abut against the external thread 41 column 32 when the external thread 41 column 32 of the flexible connector 30 is screwed to the second threaded interface of the connection seat 40, so that the continuous screwing is stopped, and the fixed assembly of the flexible connector 30 and the connection seat 40 is completed.

In a specific implementation, since the first pipe connector 10, the second pipe connector 20, the connecting seat 40 and the flexible connector 30 are all communicated with each other (water flow is shown by arrows in fig. 6), in order to avoid water leakage at the joints of the components, the present embodiment improves the sealing effect by providing the sealing ring 50 at the joints between the components, and avoids water leakage from the joints. Specifically, the sealing ring 50 is disposed in the second threaded connection port 42, and the end of the column 32 of the external thread 41 of the sealing ring 50 is abutted against the inner flange 43, so as to prevent water from leaking from the assembly of the connection seat 40 and the flexible connection head 30. In addition, the sealing ring 50 may be disposed in the first threaded connection port 21, and the end of the connecting seat 40 abuts against the bottom wall of the second threaded connection port 42, so as to prevent the joint between the connecting seat 40 and the second pipe joint 20 from leaking.

In an embodiment, the pipe connection device further includes a rubber ring 60 (not shown in the figures), the rubber ring 60 is used for sleeving the pipe, and an outer wall of the rubber ring 60 abuts against an inner side of the flexible connector 30. Specifically, with rubber circle 60 cover in the outer wall of pipeline again stretch into the tip of barrel 31, so, rubber circle 60 is surrounded by flexible connection head 30's elastic connection portion 33, when retaining member locking, elastic connection portion 33 compresses tightly rubber circle 60, from this, can avoid water to spill from the assembly of pipeline with flexible connection head 30, improves the leakproofness.

In an embodiment, referring to fig. 7, an anti-slip portion 70 is formed on an outer wall surface of at least one of the first pipe connector 10, the second pipe connector 20, and the flexible connector 30, wherein the anti-slip portion 70 may be a concave shape, or a plurality of vertical lines arranged in a circumferential direction, but it is understood that other shapes may be used, and the shape is not limited herein. The friction force during rotation can be increased by providing the anti-slip portion 70, and slipping during component assembly can be avoided.

The embodiment of the utility model provides a high pressure cleaner is still provided, including washing ground device and pipe connection device, pipe connection device is the pipe connection device of above-mentioned embodiment, wherein, washing ground device and being connected with first pipe connection head 10, first threaded connection mouth 21 or flexible connector 30 are used for being connected with outside pipe connection.

Specifically, it is provided with the water tank usually to wash ground device, the delivery port of water tank is provided with the interface, first pipe joint lug connection is to this interface, perhaps same water piping connection is to this interface, another water pipe is then connected through the cooperation of flexible connector 30 with the retaining member to another head, insert tap with this water pipe again, thereby add water to the water tank, water pipe through flexible connector 30 can the different pipe diameters of adaptation and different grade type, when user's water pipe is not fit for with the connector, need not to change other connectors, save the cost, the pipe connection device of this embodiment no matter be the pipeline of screw thread mouth or non-screw thread mouth, and the pipeline homoenergetic adaptation of various different pipe diameters, the commonality is extremely strong, good reliability, use experience is good.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A pipe coupling, comprising:

a first pipe joint;

the second pipeline connector is sleeved with the first pipeline connector, and a first threaded connector is formed at the end part, far away from the first pipeline connector, of the second pipeline connector;

the flexible connector is used for being arranged on the second pipeline connector through the first threaded connector and used for accommodating the end part of a pipeline;

the locking piece is sleeved outside the flexible connector;

wherein, rotate or remove retaining member can extrude flexible connector, so that flexible connector compresses tightly the outer wall of pipeline and then locks the pipeline.

2. The pipe coupling according to claim 1, wherein the flexible joint comprises:

a cylinder for receiving an end of the pipe;

the external thread column is integrally formed on the cylinder body and is connected with the first thread connecting port;

an elastic connection part formed at an opening of the cylinder;

the locking piece is sleeved on the outer side of the elastic connecting portion to extrude the elastic connecting portion, so that the inner side of the elastic connecting portion compresses the outer wall of the pipeline.

3. The pipe coupling according to claim 2, wherein said resilient coupling comprises a plurality of blade bodies spaced around said barrel opening, with deformation slots formed between adjacent blade bodies.

4. The pipe connecting device according to claim 2, wherein the externally threaded stud is formed at an end of the cylinder, and a diameter of the externally threaded stud is smaller than a diameter of the cylinder to form an abutment surface at the end of the cylinder, the abutment surface being for abutting an end of a pipe.

5. A pipe coupling according to any one of claims 2 to 4, further comprising a coupling socket, the outer wall of the coupling socket being externally threaded, the coupling socket being externally threaded to mate with the first threaded connector for securing to the second pipe coupling head; and a second threaded connector is further formed on the inner wall of the connecting seat, and the connecting seat is matched with the external threaded column through the second threaded connector so as to fix the flexible connector.

6. The pipe coupling according to claim 5, wherein the inner wall of the coupling socket is further formed with an inner flange abutting an end of the externally threaded post.

7. The pipe coupling according to claim 6, wherein the second threaded connection port has a smaller bore than the first threaded connection port.

8. The pipe coupling according to claim 7, further comprising at least one sealing ring,

the sealing ring is arranged in the second threaded connecting port, and the end part of the external threaded column is propped against the inner flange; and/or

The sealing ring is arranged in the first threaded connecting port, and the end part of the connecting seat abuts against the bottom wall of the second threaded connecting port.

9. The pipeline connecting device according to claim 1, further comprising a rubber ring, wherein the rubber ring is used for sleeving the pipeline, and the outer wall of the rubber ring abuts against the inner side of the flexible connector; and/or

The outer wall surface of at least one of the first pipeline connector, the second pipeline connector and the flexible connector is provided with an anti-skid part.

10. A high pressure cleaning machine comprising a ground washing device and a pipe connection device, the pipe connection device being as claimed in any one of claims 1 to 9, wherein the ground washing device is connected to a first pipe connector, the first threaded connector or flexible connector being adapted to be connected to an external pipe.

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