CN209705493U - A kind of hose coupling - Google Patents

Abstract

The utility model discloses a kind of hose couplings.The hose coupling includes joint body, and joint body includes hose butt end and screwed pipe butt end, and shape has angle between the central axis of hose butt end and the central axis of screwed pipe butt end；Hose butt end includes the guide part imported convenient for hose and the limiting section for preventing hose from falling off.The hose coupling not only saves installation space, and easy for installation, secured, at low cost.

Description

A kind of hose coupling

Technical field

The utility model relates to technical field of fluid delivery, and in particular, to a kind of hose coupling.

Background technique

With the development of technology, the power density of the power electronic equipments such as wind energy converter, wind energy inverter is continuously improved, Air-cooled to be no longer satisfied cooling requirements, liquid-cooling heat radiation is increasingly becoming the mainstream radiating mode of large power power electronic appliance.In In the liquid cooling systems of equipment such as the electron electric powers such as liquid cooling current transformer, liquid cooling inverter, hose coupling is an essential portion Part.

Fig. 1 shows a kind of direct plug-in soft pipe fitting in the prior art.As shown in Figure 1, straight pipe type in the prior art Hose coupling 1, center axis thereof are straight line, when fluid path needs to turn to, can only be realized by curved spout 2.Due to hose Excessive bending not only will affect the service life of hose 2, also will increase the flow resistance in pipeline, thus under normal circumstances to hose 2 most Small-bend radius all requires.For example, the bending radius of 1/2 hose of certain brand requires to reach 130mm, in such situation Under, hose coupling 1 and hose 2 are installed together, and will occupy biggish space.

Although existing 90 ° of Pigeonhole type hose joints or 135 ° of Pigeonhole type hose joints can be good at solving hose bending Take up space big problem, and application is also relatively broad, but 90 ° of Pigeonhole type hose joints or 135 ° of Pigeonhole type hose joints exist Following defect: when Pigeonhole type hose joint and hose are assembled, needing to rely on the crimping equipment of profession, at high cost, uses Inconvenience, field condition can not operation；It is more demanding to withholding of technology, when easily leaking, and leaking, difficulty is reprocessed, Maintenance cost is high.

Utility model content

The purpose of the utility model is to provide a kind of hose coupling, which not only saves installation space, and installs It is convenient, secured.

To achieve the goals above, the utility model provides a kind of hose coupling, which includes joint body, Joint body includes hose butt end and screwed pipe butt end, the central axis of hose butt end and the center of screwed pipe butt end Shape has angle between axis；Hose butt end includes the guide part imported convenient for hose and the limit for preventing hose from falling off Portion.

Preferably, joint body further includes the bending part being connected between hose butt end and screwed pipe butt end, limit Portion includes the first inclined tube section and the first straight pipe for being connected to bending part and the first inclined tube section, and the overall diameter of the first inclined tube section is along remote Direction from the first straight pipe is gradually increased；Guide part includes the second inclined tube section and the first inclined tube section of connection and the second inclined tube section The second straight pipe, the overall diameter of the second inclined tube section is gradually reduced along the direction far from the second straight pipe.

Preferably, the angle between the central axis of hose butt end and the central axis of screwed pipe butt end be 90 ° extremely Any angle between 135 °.

Preferably, the angle between the lateral surface of the first inclined tube section and the central axis of hose butt end be 15 ° to 60 ° it Between any angle.

Preferably, the angle between the lateral surface of the second inclined tube section and the central axis of hose butt end be 5 ° to 15 ° it Between any angle.

Preferably, hose coupling further includes connector, and connector is linked in the outside of screwed pipe butt end, for connecting spiral shell Line pipe.

Preferably, screwed pipe butt end includes limiting section, for limiting connector in screwed pipe butt end central axis side Upward displacement.

Preferably, in the case where screwed pipe is mounted on screwed pipe butt end, connector and limiting section are detached from, joint body It is relatively rotatable to each other between connector.

Preferably, the end of screwed pipe butt end is tapered, the lateral surface and screwed pipe pair of the end of screwed pipe butt end Connecing the angle between the central axis at end is any angle between 70 ° to 80 °.

Preferably, hose coupling further includes sealing ring, and the end setting of screwed pipe butt end is fluted, and sealing ring setting exists In groove, for enhancing the leakproofness between screwed pipe butt end and screwed pipe.

Preferably, connector is nut of the one end with limit buckle.

Through the above technical solutions, the global shape of the hose coupling is in bending, liquid can be realized without curved spout Curved way reduces the installation space of hose coupling and hose；Realize that hose connects with hose in the hose butt end of the hose coupling The direct insertion connection of head, it is easy to operate, equipment is installed without profession；Hose butt end is provided with guide part and limiting section, guiding Portion imports hose coupling convenient for hose, and limiting section can prevent hose from falling off from hose coupling；The screwed pipe of the hose coupling The end of butt end is tapered, and convenient for the installation of screwed pipe, cone structure end is provided with sealing ring, can be realized screwed pipe pair Connect good leakproofness between end and screwed pipe.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 shows a kind of direct plug-in soft pipe fitting in the prior art；

Fig. 2 is a kind of structural schematic diagram of hose coupling of an embodiment of the utility model；

Fig. 3 is the structural schematic diagram of the hose butt end of an embodiment of the utility model；

Fig. 4 is the structural schematic diagram of the screwed pipe butt end of an embodiment of the utility model；

Fig. 5 shows the state relatively rotated between the hose coupling and connector of an embodiment of the utility model and shows It is intended to；

Fig. 6 shows the hose coupling of an embodiment of the utility model and the state after hose, screwed pipe assembly is shown It is intended to.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

Fig. 2 is a kind of structural schematic diagram of hose coupling of an embodiment according to the present utility model.As shown in Fig. 2, In an embodiment of the utility model, a kind of hose coupling is provided, hose coupling includes joint body 100, connector sheet Body 100 includes hose butt end 110 and screwed pipe butt end 120, central axis and the screwed pipe butt end of hose butt end 110 Shape has angle between 120 central axis；Hose butt end 110 includes the guide part and soft for preventing imported convenient for hose The limiting section that pipe falls off.

Joint body 100 further includes the bending part 130 being connected between hose butt end 110 and screwed pipe butt end 120, The direct insertion connection of the realization of hose butt end 110 hookah bodies and hose.Consider in practical application, bending journey when fluid path turns to Degree, the angle between the central axis of hose butt end (110) and the central axis of screwed pipe butt end (120) for example can be Any angle between 90 ° to 135 °, preferably 90 ° or 135 °.

Fig. 3 is the structural schematic diagram of the hose butt end of an embodiment of the utility model.As shown in figure 3, in this reality With in a novel embodiment, limiting section may include the first inclined tube section 112 and connection bending part 130 and the first inclined tube section The overall diameter of 112 the first straight pipe 111, the first inclined tube section 112 is gradually increased along the direction far from the first straight pipe 111；It leads It may include the second inclined tube section 114 and the second straight pipe for being connected to the first inclined tube section 112 and the second inclined tube section 114 to portion 113, the overall diameter of the second inclined tube section 114 is gradually reduced along the direction far from the second straight pipe 113.

First straight pipe 111 and the second straight pipe 113 for example can be hollow cylindrical structure, 112 He of the first inclined tube section Second inclined tube section 114 for example can be hollow frustum cone structure, and internal diameter is constant.The lateral surface of first inclined tube section 112 is (in other words The bus of frustum cone structure) and the central axis of hose butt end 110 between angle be any angle between 15 ° to 60 °.The Angle between the lateral surface (bus of frustum cone structure in other words) and the central axis of hose butt end 110 of two inclined tube sections 114 For any angle between 5 ° to 15 °.

In an embodiment of the utility model, joint body 100 for example can be integrally formed.In order to avoid soft During pipe installation or removal, hose butt end 110 scratches the inner wall of hose, in the first straight pipe 111 and the first inclined tube section 112 Between, between the first inclined tube section 112 and the second straight pipe 113, between the second straight pipe 113 and the second inclined tube section 114 and The end of two inclined tube sections 114 is provided with rounding off section.

In an embodiment of the utility model, hose coupling can also include connector 200,200 fitting of connector In the outside of screwed pipe butt end 120, it to be used for connecting screwed tube.Connector 200 for example can be nut.

Fig. 4 is the structural schematic diagram of the screwed pipe butt end of an embodiment of the utility model.As shown in Fig. 4, at this In one embodiment of utility model, screwed pipe butt end 120 may include limiting section 121, for limiting connector 200 in spiral shell Displacement in 120 central axial direction of line pipe butt end.The end of screwed pipe butt end 120 for example can be tapered, cone cell end End can be not only inserted into the gap between connector 200 and screwed pipe butt end 120 in order to screwed pipe, and be installed Afterwards, the central axis slide downward of the threadingly pipe butt end 120 of joint body 100 can be limited.

The lateral surface (bus of lateral surface in other words) of the end of screwed pipe butt end 120 and screwed pipe butt end 120 Angle between central axis for example can be any angle between 70 ° to 80 °.

In a preferred embodiment of the utility model, hose coupling can also include sealing ring 300, screwed pipe docking The end at end 120 can be set fluted 122, and sealing ring 300 is arranged in groove 122, for enhancing screwed pipe butt end Leakproofness between 120 and screwed pipe.

Fig. 5 shows the state relatively rotated between the hose coupling and connector of an embodiment of the utility model and shows It is intended to.As shown in figure 5, in an embodiment of the utility model, the case where screwed pipe is mounted on screwed pipe butt end 120 Under, connector 200 and limiting section 121 are detached from, and are relatively rotatable to each other between joint body 100 and connector 200.The model of rotation It encloses for any angle between 0 ° to 360 °, realizes the universal property of the hose coupling.

Fig. 6 shows the hose coupling of an embodiment of the utility model and the state after hose, screwed pipe assembly is shown It is intended to.As shown in fig. 6, in an embodiment of the utility model, between hose butt end 110 and hose 500 and screw thread There is preferable leakproofness between pipe butt end 120 and screwed pipe.

Specifically, installation process and sealing principle between hose butt end 110 and hose 500 are as follows: carrying out hose 500 Installation when, the end of hose 500 passes sequentially through the second inclined tube section 114, the second straight pipe 113, the first inclined tube section 112 and first Straight pipe 111, until the junction of the first straight pipe 111 and bending part 130, the internal diameter of hose 500 are slightly less than aforementioned four pipe The minimum outer diameter of any pipeline section in section is realized and is matched between hose 500 and joint body 100 for interference using the elasticity of hose 500 It closes, so that leakproofness is guaranteed therebetween.At all variable diameters of hose butt end 110 (the changed position of outer diameter), It is provided with biggish arc transition, to guarantee hose 500 during the installation process, the inner wall of hose 500 is not scratched.In, In high hydraulic system, in order to ensure reliability, such as (such as outside of the first straight pipe 111) clip can be increased on the outside of hose 600.Clip 600 for example can be worm gear clamping hoop, naturally it is also possible to be to be able to achieve the other forms clip for holding function tightly.

Installation process and sealing principle between screwed pipe butt end 120 and screwed pipe are as follows: the male connection of screwed pipe In gap between 400 insertions connector 200 (nut) and screwed pipe butt end 120, connector 200 (nut) is screwed into external screw thread The screw thread of connector 400 continues to rotate connector 200 (nut), until the lateral surface and outer spiral shell of the end of screwed pipe butt end 120 The conical surface of line connector 400 is bonded, and sealing ring 300 is in compressive state at this time, to realize sealing.Sealing ring 300 is O-shaped close Seal is also possible to the other kinds of sealing ring with sealing function.

By above embodiment, the global shape of the hose coupling is in bending, and liquid can be realized without curved spout Curved way reduces the installation space of hose coupling and hose；Realize that hose connects with hose in the hose butt end of the hose coupling The direct insertion connection of head, it is easy to operate, equipment is installed without profession, especially facilitates field work, and low in cost；Hose docking End is provided with guide part and limiting section, and guide part imports hose coupling convenient for hose, and limiting section can prevent hose from connecing from hose It falls off on head；In addition, the joint body of the hose coupling can need to turn to any position according to installation, so that flexible for installation It is convenient.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.Additionally need explanation It is specific technical features described in the above specific embodiments, it in the case of no contradiction, can be by any Suitable mode is combined, and in order to avoid unnecessary repetition, the utility model is no longer another to various combinations of possible ways Row explanation.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (10)

1. a kind of hose coupling, which is characterized in that the hose coupling includes joint body (100), the joint body (100) Including hose butt end (110) and screwed pipe butt end (120), the central axis and the spiral shell of the hose butt end (110) Shape between the central axis of line pipe butt end (120) has angle, and the joint body (100) further includes connection described soft Bending part (130) between pipe butt end (110) and the screwed pipe butt end (120)；The hose butt end (110) includes The guide part imported convenient for hose and the limiting section for preventing hose from falling off, the limiting section include the first inclined tube section (112) And the first straight pipe (111) of the connection bending part (130) and the first inclined tube section (112), the first inclined tube section (112) overall diameter is gradually increased along the direction far from first straight pipe (111), outside first straight pipe (111) Side is provided with clip (600).

2. hose coupling according to claim 1, it is characterised in that bending the guide part includes the second inclined tube section (114) And the second straight pipe (113) of connection the first inclined tube section (112) and the second inclined tube section (114), described second tiltedly The overall diameter of pipeline section (114) is gradually reduced along the direction far from second straight pipe (113).

3. hose coupling according to claim 2, which is characterized in that the central axis of the hose butt end (110) with Angle between the central axis of the screwed pipe butt end (120) is any angle between 90 ° to 135 °.

4. hose coupling according to claim 3, which is characterized in that the lateral surface of the first inclined tube section (112) and institute Stating the angle between the central axis of hose butt end (110) is any angle between 15 ° to 60 °；The second inclined tube section (114) angle between the central axis of lateral surface and the hose butt end (110) is the random angle between 5 ° to 15 ° Degree.

5. hose coupling as claimed in any of claims 1 to 4, which is characterized in that the hose coupling further includes Connector (200), the connector (200) are linked in the outside of the screwed pipe butt end (120), are used for connecting screwed tube.

6. hose coupling according to claim 5, which is characterized in that the screwed pipe butt end (120) includes limiting section (121), for limiting displacement of the connector (200) in screwed pipe butt end (120) central axial direction.

7. hose coupling according to claim 6, which is characterized in that be mounted on the screwed pipe docking in the screwed pipe In the case where holding (120), the connector (200) and the limiting section (121) are detached from, the joint body (100) and described Connector is relatively rotatable to each other between (200).

8. hose coupling according to claim 6, which is characterized in that the end of the screwed pipe butt end (120) is in cone Shape, between the lateral surface of the end of the screwed pipe butt end (120) and the central axis of the screwed pipe butt end (120) Angle is any angle between 70 ° to 80 °.

9. hose coupling according to claim 8, which is characterized in that the hose coupling further includes sealing ring (300), institute Fluted (122) are arranged in the end for stating screwed pipe butt end (120), and the sealing ring (300) is arranged in the groove (122) In, for enhancing the leakproofness between the screwed pipe butt end (120) and the screwed pipe.

10. hose coupling according to claim 9, which is characterized in that the connector (200) is one end with limit buckle Nut.