CN215909406U - Machine in connecting tube subassembly, drainage structures and air conditioning - Google Patents

Abstract

The utility model provides a connecting pipe assembly, a drainage structure and an air conditioner indoor unit. The connecting pipe assembly comprises a connecting pipe and a joint connected with the connecting pipe, and the joint is used for being clamped with a drain pipe of the drainage structure; the joint is provided with a first guide groove, the first guide groove is matched with a first guide bulge on the drain pipe, and at least part of the first guide bulge is arranged in the first guide groove so as to guide through the first guide bulge and the first guide groove when the joint is clamped with the drain pipe; and/or a second guide bulge is arranged on the joint and matched with a second guide groove on the drain pipe, and at least part of the second guide bulge is arranged in the second guide groove so as to guide through the second guide bulge and the second guide groove when the joint is clamped with the drain pipe. The connecting pipe assembly solves the problem that the connecting pipe assembly in the prior art is inconvenient to assemble.

Description

Machine in connecting tube subassembly, drainage structures and air conditioning

Technical Field

The utility model relates to the field of household appliances, in particular to a connecting pipe assembly, a drainage structure and an air conditioner indoor unit.

Background

The indoor machine of the air conditioner can produce a large amount of condensed water in the refrigerating process, the condensed water needs to be discharged to the outdoor or a sewer pipe through a drainage connecting pipe, and the current drainage connecting pipe has the following problems in structural design:

the assembly is difficult: an operator needs to hold the drain pipe with one hand and the bottom case with the other hand, and push the drain pipe forward while rotating the drain pipe, so that the assembly is very difficult. After the drain pipe is assembled in place, the metal clamping hook needs to be clamped on the positioning column on the bottom shell, the metal clamping hook and the positioning column are in interference fit, assembly is difficult, and labor intensity is high.

Automation cannot be realized: the matching mode of the original drain pipe determines that the assembly of the drain pipe is difficult to realize automation.

The potential quality hazard exists: because the drain pipe needs to adopt the mode installation of rotatory propulsion, if the power is too big, can lead to the drain pipe to appear pincher trees, have the hidden danger of leaking of breaking.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a connecting pipe assembly, a drainage structure and an air conditioner indoor unit, and aims to solve the problem that the connecting pipe assembly in the prior art is inconvenient to assemble.

In order to achieve the above object, according to one aspect of the present invention, there is provided a connection pipe assembly including a connection pipe and a joint connected to the connection pipe, the joint being adapted to be clamped to a drain pipe of a drainage structure; the joint is provided with a first guide groove, the first guide groove is matched with a first guide bulge on the drain pipe, and at least part of the first guide bulge is arranged in the first guide groove so as to guide through the first guide bulge and the first guide groove when the joint is clamped with the drain pipe; and/or a second guide bulge is arranged on the joint and matched with a second guide groove on the drain pipe, and at least part of the second guide bulge is arranged in the second guide groove so as to guide through the second guide bulge and the second guide groove when the joint is clamped with the drain pipe.

Further, the joint comprises a joint body and a buckle connected with the joint body, and the first guide groove is arranged on the joint body; the connector body is sleeved on the drain pipe, and the buckle is clamped with the clamping groove on the drain pipe; when the connecting pipe assembly is installed, at least part of the first guide protrusion is inserted into the first guide groove, and then the buckle and the clamping groove are clamped.

Further, the joint body is provided with a first connecting end and a second connecting end which are oppositely arranged along the axial direction of the joint body; the first guide groove is formed in the inner wall of the connector body, the first guide groove extends along the axial direction of the connector body, one end of the first guide groove extends to the first connecting end of the connector body to form a first mounting opening, and therefore the first guide protrusion is inserted into the first guide groove through the first mounting opening.

Further, the joint body comprises a first side wall section, and the inner wall of the first side wall section is the groove bottom of the first guide groove; the first side wall section is provided with a first adjusting gap and a second adjusting gap, the first adjusting gap extends from the first connecting end to the second connecting end, the second adjusting gap extends from the first connecting end to the second connecting end, a first adjusting part is formed between the first adjusting gap and the second adjusting gap, and the position of the first adjusting part is adjustably arranged; wherein, the buckle is connected with the first adjusting part.

Further, the joint body is provided with a first connecting end and a second connecting end which are oppositely arranged along the axial direction of the joint body; the first guide groove is arranged at the first connecting end and extends from the first connecting end to the second connecting end, and the notch of the first guide groove is located at the first connecting end, so that the first guide protrusion is inserted into the first guide groove through the notch.

Further, the joint body is of an annular structure; the first guide groove extends along the radial direction of the joint body, and extends to the inner side wall and the outer side wall of the joint body; the joint body is provided with two first guide grooves which are arranged at intervals along the circumferential direction of the joint, a second adjusting part is formed between the two first guide grooves, and the position of the second adjusting part is adjustably arranged; wherein, the buckle is connected with the second adjusting part.

Further, a cross section of the first guide groove perpendicular to the radial direction of the joint body is rectangular, or triangular, or trapezoidal.

Further, be provided with the handle on the buckle, the handle setting is in the buckle keep away from the one side of the axis of connecting the body.

Furthermore, the connecting pipe assembly also comprises a transition connecting pipe and a sealing ring, and the connecting pipe is connected with the joint through the transition connecting pipe; the sealing ring is fixed between the joint and the transition connecting pipe along the axial direction of the transition connecting pipe so as to seal the connecting pipe assembly and the drain pipe.

According to another aspect of the present invention, there is provided a drain structure including a drain pipe provided with a first guide protrusion; and/or the drain pipe is provided with a second guide groove.

Furthermore, a clamping groove is formed in the drain pipe.

Further, the drain pipe is provided with a connecting end and a free end which are oppositely arranged along the extending direction of the drain pipe, and the connecting end is used for being connected with at least part of the component to be drained; the first guide bulge is provided with a first end and a second end which are oppositely arranged along the extension direction of the drain pipe, and the first end of the first guide bulge is positioned on one side, close to the free end, of the second end of the first guide bulge; the clamping groove is arranged on the first guide protrusion, and the clamping groove and the first end of the first guide protrusion are arranged at intervals.

Further, the drain pipe is provided with a connecting end and a free end which are oppositely arranged along the extending direction of the drain pipe, and the connecting end is used for being connected with at least part of the component to be drained; wherein, first direction arch sets up in the draw-in groove and is close to one side of free end.

Further, the number of the first guide protrusions is two, and the two first guide protrusions are arranged at intervals along the circumferential direction of the drain pipe.

Further, the section of the first guide projection perpendicular to the radial direction of the drain pipe is rectangular, or triangular, or trapezoidal.

Furthermore, a bulge is arranged on the drain pipe, the clamping groove is arranged on the bulge, and the first guide bulge is connected with the first end of the bulge and is positioned between the bulge and the free end; at least part of the first end of the boss is used for stopping the first connecting end of the joint of the connecting pipe assembly; the convex part is of an arc structure extending along the circumferential direction of the drain pipe; or the bulge part is of an annular structure arranged along the circumferential direction of the drain pipe.

According to still another aspect of the present invention, there is provided an air conditioning indoor unit, including: the above-described connecting tube assembly; in the drainage structure, the drainage structure is used for draining condensed water generated by the indoor unit of the air conditioner; in the assembling process of the connecting pipe assembly and the drainage structure, the connecting pipe assembly and the drainage structure are installed in a guiding mode through the first guiding protrusions and the first guiding grooves; and/or the connecting pipe assembly and the drainage structure are installed in a guiding mode through the second guiding protrusion and the second guiding groove, so that the connecting pipe assembly is clamped with the drainage structure.

The joint of the connecting pipe assembly is clamped with a drain pipe of a drainage structure, so that liquid drained by the drain pipe passes through the connecting pipe assembly and is drained out of the connecting pipe; when the connecting pipe assembly is installed on a drain pipe, the connecting pipe assembly is guided through the first guide protrusion and the first guide groove, so that the first guide protrusion moves along the extending direction of the first guide groove; and/or the connecting pipe assembly is guided by the second guide protrusion and the second guide groove, so that the second guide protrusion moves along the extension direction of the second guide groove; and then guarantee the alignment of connecting pipe subassembly and drain pipe in week, be convenient for realize the joint of the two, solved the problem that the connecting pipe subassembly is not convenient for assemble.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

figure 1 shows an isometric view of a joint of a first embodiment of a junction block assembly according to the present invention;

FIG. 2 shows a top view of a coupling of a first embodiment of a junction block assembly according to the present invention;

FIG. 3 illustrates an angled side view of the joint of the first embodiment of the junction block assembly according to the present invention;

FIG. 4 shows a side view of another angle of the joint of the first embodiment of the junction block assembly according to the present invention;

FIG. 5 illustrates an elevation view of a transition connection tube of a first embodiment of a connection tube assembly according to the present invention;

FIG. 6 illustrates a side view of a transition connection tube of a first embodiment of a junction block assembly according to the present invention;

FIG. 7 illustrates a top view of a transition piece of a first embodiment of a junction block assembly according to the present invention;

FIG. 8 illustrates an isometric view of a transition connection tube of a first embodiment of a connection tube assembly according to the present invention;

FIG. 9 shows a front view of a drain pipe of the first embodiment of the drain structure according to the present invention;

FIG. 10 shows a side view of a drain pipe of a first embodiment of a drain structure according to the present invention;

fig. 11 is a bottom view showing a drain pipe according to a first embodiment of the drain structure of the present invention;

FIG. 12 illustrates an assembly view of the first embodiment of the connector tube assembly and drain tube according to the present invention;

FIG. 13 illustrates a top view of a seal ring of the connector assembly according to the present invention;

FIG. 14 illustrates a front view of a seal ring of the connector assembly according to the present invention;

FIG. 15 shows a top view of a compression tab of the connector tube assembly according to the present invention;

FIG. 16 shows a front view of a compression tab of the connector tube assembly according to the present invention;

FIG. 17 illustrates an assembly view of a second embodiment of a connector tube assembly and drain in accordance with the present invention;

FIG. 18 shows a top view of a coupling of a second embodiment of a junction block assembly according to the present invention;

FIG. 19 shows an angled side view of a joint of a second embodiment of a junction block assembly according to the present invention;

FIG. 20 shows a side view of another angle of the joint of the second embodiment of the junction block assembly according to the present invention;

FIG. 21 illustrates a front view of a transition joint tube of a second embodiment of a joint tube assembly in accordance with the present invention;

FIG. 22 shows a side view of a transition joint tube of a second embodiment of a joint tube assembly in accordance with the present invention;

FIG. 23 illustrates a top view of a transition piece of a second embodiment of a junction block assembly according to the present invention;

FIG. 24 is a front view showing a drain pipe of the second embodiment of the drain structure according to the present invention;

FIG. 25 shows a side view of a drain pipe of a second embodiment of a drain structure according to the present invention;

fig. 26 is a bottom view showing a drain pipe according to a second embodiment of the drain structure of the present invention;

FIG. 27 shows an assembly view of a third embodiment of a connector tube assembly and drain tube according to the present invention;

figure 28 shows an isometric view of a joint of a third embodiment of a junction block assembly according to the present invention;

FIG. 29 shows a top view of a coupling of a third embodiment of a junction block assembly according to the present invention;

FIG. 30 shows an angled side view of a joint of a third embodiment of a junction block assembly according to the present invention;

FIG. 31 shows a side view of another angle of the joint of the third embodiment of the junction block assembly according to the present invention;

FIG. 32 shows an isometric view of a drain pipe of a third embodiment of a drain structure according to the present invention;

fig. 33 is a front view showing a drain pipe of a third embodiment of the drain structure according to the present invention;

fig. 34 is a side view showing a drain pipe of the third embodiment of the drain structure according to the present invention;

fig. 35 shows a bottom view of a drain pipe according to a third embodiment of the drain structure of the present invention.

Wherein the figures include the following reference numerals:

12. a joint; 121. a first guide groove; 122. a first connection end; 123. a second connection end; 124. a first mounting port; 125. a first sidewall segment; 126. a first adjustment gap; 127. a second adjustment gap; 128. a first adjusting section; 129. a notch; 130. a second regulating part; 13. buckling; 14. a handle; 15. a transition connecting pipe; 151. a first mounting step; 152. a second mounting step; 153. installing a clamping groove; 16. a seal ring; 17. mounting a boss; 18. a compression sheet;

21. a drain pipe; 211. a first guide projection; 212. a card slot; 213. a connecting end; 214. a free end; 215. a boss portion; 216. a stop surface;

30. a first chamfer; 40. a first rounded corner; 50. and (7) second chamfering.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a connecting pipe assembly, please refer to fig. 1 to 35, which includes a connecting pipe and a joint 12 connected with the connecting pipe, wherein the joint 12 is used for being clamped with a drain pipe 21 of a drainage structure; the joint 12 is provided with a first guide groove 121, the first guide groove 121 is matched with a first guide protrusion 211 on the drain pipe 21, and at least part of the first guide protrusion 211 is arranged in the first guide groove 121 so as to be guided by the first guide protrusion 211 and the first guide groove 121 when the joint 12 is clamped with the drain pipe 21; and/or, a second guide protrusion is arranged on the joint 12, the second guide protrusion is matched with a second guide groove on the drain pipe 21, and at least part of the second guide protrusion is arranged in the second guide groove so as to guide through the second guide protrusion and the second guide groove when the joint 12 is clamped with the drain pipe 21.

The joint 12 of the connecting pipe assembly of the utility model is used for being clamped with a drain pipe 21 of a drainage structure, so that liquid discharged by the drain pipe 21 passes through the connecting pipe assembly and is discharged by the connecting pipe; when the junction block assembly is mounted on the drain pipe 21, the junction block assembly is guided by the first guide protrusion 211 and the first guide groove 121 such that the first guide protrusion 211 moves in the extending direction of the first guide groove 121; and/or the connecting pipe assembly is guided by the second guide protrusion and the second guide groove, so that the second guide protrusion moves along the extension direction of the second guide groove; and then guarantee connecting pipe subassembly and drain pipe 21 at ascending alignment of circumference, be convenient for realize the joint of the two, solved the problem that the connecting pipe subassembly is not convenient for assemble.

Specifically, the first guide groove 121 extends in the axial direction of the joint 12, and the first guide projection 211 is inserted into the first guide groove 121 in the axial direction of the joint 12; the second guide groove extends in the axial direction of the joint 12, and the second guide projection is inserted into the second guide groove in the axial direction of the joint 12.

In the present embodiment, the joint 12 includes a joint body on which the first guide groove 121 is provided, and a catch 13 connected to the joint body; the connector body is sleeved on the drain pipe 21, and the buckle 13 is clamped with the clamping groove 212 on the drain pipe 21; when the connector tube assembly is installed, the first guide protrusion 211 is inserted into the first guide groove 121, and then the latch 13 is latched to the latch groove 212. The buckle 13 is matched and assembled with the clamping groove 212, so that the joint 12 and the drain pipe 21 are locked, a connecting pipe assembly and a drainage structure are further realized, and the connecting pipe assembly is prevented from being separated.

In one embodiment, the fitting body has oppositely disposed first and second connection ends 122 and 123 along its axial direction; the first guide groove 121 is provided on an inner wall of the joint body, the first guide groove 121 extends in an axial direction of the joint body, and one end of the first guide groove 121 extends to the first connection end 122 of the joint body to form a first mounting opening 124, so that the first guide protrusion 211 is inserted into the first guide groove 121 through the first mounting opening 124. Specifically, when the connecting pipe assembly is mounted on the drain pipe 21 of the drainage structure, the connecting pipe assembly is held to move towards the drain pipe 21, so that at least part of the connecting pipe assembly is sleeved on the drain pipe 21, in the process of holding the connecting pipe assembly to move towards the drain pipe 21, the first guide protrusion 211 is inserted into the first guide groove 121 through the first mounting opening 124, the buckle 13 is clamped in the clamping groove 212 after the connecting pipe assembly is moved in place, and at this time, the assembly of the connecting pipe assembly and the clamp groove is completed.

In one embodiment, the joint body includes a first sidewall section 125, an inner wall of the first sidewall section 125 being a groove bottom of the first guide groove 121; the first side wall section 125 has a first adjustment gap 126 and a second adjustment gap 127, the first adjustment gap 126 extends from the first connection end 122 toward the second connection end 123, the second adjustment gap 127 extends from the first connection end 122 toward the second connection end 123, a first adjustment portion 128 is formed between the first adjustment gap 126 and the second adjustment gap 127, and the position of the first adjustment portion 128 is adjustably set; wherein the latch 13 is connected with the first adjusting part 128. Such an arrangement enables the position of the catch 13 to be adjusted, facilitating the catch 13 to be caught in the catch groove 212 or separated from the catch groove 212.

In another embodiment, the joint body has a first connection end 122 and a second connection end 123 oppositely disposed in an axial direction thereof; the first guide groove 121 is disposed at the first connection end 122 and extends from the first connection end 122 toward the second connection end 123, and the notch 129 of the first guide groove 121 is located at the first connection end 122 so that the first guide protrusion 211 is inserted into the first guide groove 121 through the notch 129. Specifically, when the connecting pipe assembly is mounted on the drain pipe 21 of the drainage structure, the connecting pipe assembly is held to move towards the drain pipe 21, so that at least part of the connecting pipe assembly is sleeved on the drain pipe 21, in the process of holding the connecting pipe assembly to move towards the drain pipe 21, the first guide protrusion 211 is inserted into the first guide groove 121 through the notch 129, and after the connecting pipe assembly is moved in place, the buckle 13 is clamped in the clamping groove 212, and at this time, the assembly of the connecting pipe assembly and the drain pipe 21 is completed.

In another embodiment, the fitting body is an annular structure; the first guide groove 121 extends in a radial direction of the joint body, and the first guide groove 121 extends to inner and outer sidewalls of the joint body; the joint body is provided with two first guide grooves 121, the two first guide grooves 121 are arranged at intervals along the circumferential direction of the joint 12, a second adjusting part 130 is formed between the two first guide grooves 121, and the position of the second adjusting part 130 is adjustably arranged; wherein the buckle 13 is connected with the second adjusting part 130. Such an arrangement enables the position of the catch 13 to be adjusted, facilitating the catch 13 to be caught in the catch groove 212 or separated from the catch groove 212.

In another embodiment, a section of the first guide groove 121 perpendicular to the radial direction of the joint body is rectangular, or triangular, or trapezoidal.

In the present embodiment, the catch 13 is provided with a handle 14, and the handle 14 is provided on the side of the catch 13 away from the axis of the joint body. In specific implementation, the buckle 13 can be separated from the clamping groove 212 by pressing the handle 14, so that the connecting pipe assembly can be pulled out from the drainage structure.

In this embodiment, the connecting pipe assembly further includes a transition connecting pipe 15 and a sealing ring 16, and the connecting pipe is connected to the joint 12 through the transition connecting pipe 15; a sealing ring 16 is fixed between the joint 12 and the transition piece 15 in the axial direction of the transition piece 15, so that the sealing ring 16 seals between the connection pipe assembly and the drain pipe 21. Wherein one end of the water discharge pipe 21 is inserted into the transition connection pipe 15, and the end of the water discharge pipe 21 is located on the side of the sealing ring 16 far away from the joint 12. This arrangement provides for the securement of the gasket 16 and also provides for the sealing between the connector assembly and the drain pipe 21.

Optionally, the seal ring 16 is made of hydrogenated butadiene-acrylonitrile rubber, and has good sealing performance, durability and long service life.

Optionally, the cross-section of the sealing ring 16 is circular.

Optionally, the seal ring 16 is an O-ring seal.

In the present embodiment, a pressing sheet 18 is disposed between the sealing ring 16 and the joint 12 along the axial direction of the transition connecting pipe 15, so that the joint 12 presses the sealing ring 16 through the pressing sheet 18 to fix the sealing ring 16. The pressing piece 18 is used for pressing the seal ring 16 to prevent the seal ring 16 from falling off.

Alternatively, the sealing ring 16 is disposed on the first mounting step 151, the pressing piece 18 is disposed on the second mounting step 152, and the second mounting step 152 is located on a side of the first mounting step 151 away from the connecting pipe.

In this embodiment, the transition connection pipe 15 is provided with an installation clamping groove 153, the joint 12 is provided with an installation protrusion 17, and the installation protrusion 17 is clamped in the installation clamping groove 153, so that the transition connection pipe 15 and the joint 12 are tightly locked, and the sealing ring 16 can be further compressed. Specifically, the mounting notches 153 and the mounting projections 17 are provided in pairs; optionally, the mounting slots 153 and the mounting projections 17 are in multiple pairs; wherein the plurality of pairs includes two pairs.

Specifically, the transition connecting pipe 15 is provided with an installation guide groove, the installation guide groove is arranged on the inner wall of the transition connecting pipe 15, and the installation guide groove extends from the installation clamping groove 153 to one end of the transition connecting pipe 15; when the joint 12 is mounted on the intermediate connection pipe 15, the mounting protrusion 17 of the joint 12 moves in the extending direction of the mounting guide groove and then is caught in the mounting catching groove 153.

In this embodiment, the first guide groove 121 and the first guide protrusion 211 can perform installation and guide, and can also realize circumferential limit of the joint 12 and the drain pipe 21, so as to prevent relative rotation between the joint 12 and the drain pipe; further, one buckle 13 is provided, and correspondingly, one clamping groove 212 is also provided; through setting up a buckle 13 to the protruding 211 circumference limiting displacement of first guide way 121 and first direction, can be in order to guarantee the stability of joint 12 with drain pipe 21, need not to set up a plurality of buckles 13 again, avoid setting up the condition of the installation of being not convenient for that a plurality of buckles 13 take place.

The utility model also provides a drainage structure, which comprises a drainage pipe 21, wherein the drainage pipe 21 is provided with a first guide bulge 211; and/or, the drain pipe 21 is provided with a second guide groove.

In the present embodiment, the drain pipe 21 is provided with a clamp groove 212.

In one embodiment, the drain pipe 21 has a connecting end 213 and a free end 214 arranged oppositely along the extending direction thereof, the connecting end 213 being used for connecting with at least part of the component to be drained; the first guide projection 211 has a first end and a second end which are oppositely arranged along the extending direction of the drain pipe 21, the first end of the first guide projection 211 is positioned at one side of the second end of the first guide projection 211 close to the free end 214; the locking groove 212 is disposed on the first guide protrusion 211, and the locking groove 212 is spaced from a first end of the first guide protrusion 211. Specifically, in this embodiment, the first end of the first guide protrusion 211 is provided with a first chamfer 30, and the first fillet 40 is provided on the catch 13, so that when the connector pipe assembly is assembled on the drainage structure, the first fillet 40 of the catch 13 moves along the first chamfer 30 to perform an assembly guide function.

In another embodiment, the drain pipe 21 has a connecting end 213 and a free end 214 arranged oppositely along the extending direction thereof, the connecting end 213 being used for connecting with at least part of the member to be drained; wherein, the first guiding protrusion 211 is disposed on a side of the slot 212 near the free end 214.

In another embodiment, the number of the first guide protrusions 211 is two, and the two first guide protrusions 211 are spaced apart from each other in the circumferential direction of the drain pipe 21.

In another embodiment, the cross section of the first guide protrusion 211 perpendicular to the radial direction of the drain pipe 21 is rectangular, or triangular, or trapezoidal. Specifically, the smaller width ends of the triangles and trapezoids are disposed toward the connector assembly, which facilitates guidance during installation.

In another embodiment, the drain pipe 21 is provided with a protrusion 215, the locking groove 212 is provided on the protrusion 215, and the first guide protrusion 211 is connected with a first end of the protrusion 215 and is located between the protrusion 215 and the free end 214; at least a portion of the first end of the boss 215 is used to stop the first connection end 122 of the fitting 12 of the connector assembly; wherein, the protruding part 215 is an arc-shaped structure extending along the circumferential direction of the drain pipe 21; alternatively, the boss 215 is an annular structure disposed along the circumferential direction of the drain pipe 21. The arrangement of the protruding portion 215 plays a role in axial limiting of the connecting pipe assembly, and further connection reliability of the connecting pipe assembly and the drainage structure is achieved. Wherein, when the protruding part 215 is a ring structure, the reliability of the connection of the connecting pipe assembly and the drainage structure can be further ensured.

Specifically, the first end of the protrusion 215 is provided with a second chamfer 50, and when the connecting pipe assembly is assembled on the drainage structure, the catch 13 moves along the second chamfer 50 to play a role in guiding the assembly.

Specifically, the first end of the projection 215 has a stop surface 216, the stop surface 216 for stopping the first connection end 122 of the joint 12 of the connecting tube assembly.

The present invention also provides an air-conditioning indoor unit, comprising: the junction block assembly in the above embodiment; in the drainage structure in the above embodiment, the drainage structure is used for draining condensed water generated by the indoor unit of the air conditioner; in the process of assembling the connecting pipe assembly and the drainage structure, the connecting pipe assembly and the drainage structure are installed in a guiding manner through the first guide protrusion 211 and the first guide groove 121; and/or the connecting pipe assembly and the drainage structure are installed in a guiding mode through the second guiding protrusion and the second guiding groove, so that the connecting pipe assembly is clamped with the drainage structure.

In the first embodiment, the different structures of the first embodiment from those of the second and third embodiments are: the joint body has a first connecting end 122 and a second connecting end 123 arranged oppositely along the axial direction; the first guide groove 121 is provided on an inner wall of the joint body, the first guide groove 121 extends in an axial direction of the joint body, and one end of the first guide groove 121 extends to the first connection end 122 of the joint body to form a first mounting opening 124, so that the first guide protrusion 211 is inserted into the first guide groove 121 through the first mounting opening 124. The joint body comprises a first side wall section 125, and the inner wall of the first side wall section 125 is the groove bottom of the first guide groove 121; the first side wall section 125 has a first adjustment gap 126 and a second adjustment gap 127, the first adjustment gap 126 extends from the first connection end 122 toward the second connection end 123, the second adjustment gap 127 extends from the first connection end 122 toward the second connection end 123, a first adjustment portion 128 is formed between the first adjustment gap 126 and the second adjustment gap 127, and the position of the first adjustment portion 128 is adjustably set; wherein the latch 13 is connected with the first adjusting part 128. The drain pipe 21 has a connecting end 213 and a free end 214 arranged oppositely along the extending direction thereof, and the connecting end 213 is used for connecting with at least part of the component to be drained; the first guide projection 211 has a first end and a second end which are oppositely arranged along the extending direction of the drain pipe 21, the first end of the first guide projection 211 is positioned at one side of the second end of the first guide projection 211 close to the free end 214; the locking groove 212 is disposed on the first guide protrusion 211, and the locking groove 212 is spaced from a first end of the first guide protrusion 211. Specifically, in this embodiment, the first end of the first guide protrusion 211 is provided with a first chamfer 30, and the first fillet 40 is provided on the catch 13, so that when the connector pipe assembly is assembled on the drainage structure, the first fillet 40 of the catch 13 moves along the first chamfer 30 to perform an assembly guide function.

In the second embodiment, the structure different from that in the first embodiment is: the joint body has a first connecting end 122 and a second connecting end 123 arranged oppositely along the axial direction; the first guide groove 121 is disposed at the first connection end 122 and extends from the first connection end 122 toward the second connection end 123, and the notch 129 of the first guide groove 121 is located at the first connection end 122 so that the first guide protrusion 211 is inserted into the first guide groove 121 through the notch 129. The joint body is of an annular structure; the first guide groove 121 extends in a radial direction of the joint body, and the first guide groove 121 extends to inner and outer sidewalls of the joint body; the joint body is provided with two first guide grooves 121, the two first guide grooves 121 are arranged at intervals along the circumferential direction of the joint 12, a second adjusting part 130 is formed between the two first guide grooves 121, and the position of the second adjusting part 130 is adjustably arranged; wherein the buckle 13 is connected with the second adjusting part 130. The first guide groove 121 has a rectangular cross section perpendicular to the radial direction of the joint body. The drain pipe 21 has a connecting end 213 and a free end 214 arranged oppositely along the extending direction thereof, and the connecting end 213 is used for connecting with at least part of the component to be drained; wherein, the first guiding protrusion 211 is disposed on a side of the slot 212 near the free end 214. The number of the first guide protrusions 211 is two, and the two first guide protrusions 211 are arranged at intervals in the circumferential direction of the drain pipe 21. The section of the first guide protrusion 211 perpendicular to the radial direction of the drain pipe 21 is rectangular. The drain pipe 21 is provided with a convex part 215, the clamping groove 212 is arranged on the convex part 215, and the first guide bulge 211 is connected with the first end of the convex part 215 and is positioned between the convex part 215 and the free end 214; at least a portion of the first end of the boss 215 is used to stop the first connection end 122 of the fitting 12 of the connector assembly; wherein the protruding portion 215 is an arc-shaped structure extending along the circumferential direction of the drain pipe 21. The first end of the protrusion 215 is provided with a second chamfer 50, and when the connector pipe assembly is assembled on the drainage structure, the buckle 13 moves along the second chamfer 50 to play a role of assembly guide. The first end of the projection 215 has a stop surface 216, which stop surface 216 serves to stop the first connection end 122 of the coupling 12 of the connecting tube assembly.

In the third embodiment, the different structure compared to the second embodiment is: the first guide groove 121 has a triangular cross section perpendicular to the radial direction of the joint body. The section of the first guide protrusion 211 perpendicular to the radial direction of the drain pipe 21 is triangular. The boss 215 is an annular structure provided along the circumferential direction of the drain pipe 21.

It should be noted that the other structures in the three embodiments are the same except for the above-described distinctive structures.

Particularly, the connecting pipe assembly and the drainage structure are suitable for all wall-mounted air conditioner indoor unit products.

The technical problem that this application solved is: the problems of material universality and standardization are solved: the connecting pipe assembly and the drainage structure with the novel structure have good universality and can be suitable for all machine types of indoor units of air conditioners; the problem of former drain pipe assembly difficulty is solved: the novel connecting pipe assembly and the drainage structure are simple to assemble, simple and convenient to operate, high in production efficiency, low in labor intensity and easy to realize assembly automation; the quality problem of former drain pipe assembly existence is solved: the connecting pipe assembly and the drainage structure of the novel structure are convenient to install, and no potential quality hazard exists.

The beneficial effect of this application does: the production and assembly efficiency of products is improved, and the labor intensity is reduced; the consistency and the stability of the product quality are ensured; and a foundation is laid for realizing automation of the assembly process.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the joint 12 of the connecting pipe assembly of the utility model is used for being clamped with a drain pipe 21 of a drainage structure, so that liquid discharged by the drain pipe 21 passes through the connecting pipe assembly and is discharged by the connecting pipe; when the junction block assembly is mounted on the drain pipe 21, the junction block assembly is guided by the first guide protrusion 211 and the first guide groove 121 such that the first guide protrusion 211 moves in the extending direction of the first guide groove 121; and/or the connecting pipe assembly is guided by the second guide protrusion and the second guide groove, so that the second guide protrusion moves along the extension direction of the second guide groove; and then guarantee connecting pipe subassembly and drain pipe 21 at ascending alignment of circumference, be convenient for realize the joint of the two, solved the problem that the connecting pipe subassembly is not convenient for assemble.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (17)

1. A connecting pipe assembly is characterized by comprising a connecting pipe and a connector (12) connected with the connecting pipe, wherein the connector (12) is used for being clamped with a drain pipe (21) of a drainage structure;

a first guide groove (121) is formed in the joint (12), the first guide groove (121) is matched with a first guide protrusion (211) on the drain pipe (21), and at least part of the first guide protrusion (211) is arranged in the first guide groove (121) so as to be guided by the first guide protrusion (211) and the first guide groove (121) when the joint (12) is clamped with the drain pipe (21); and/or

Be provided with the second direction protruding on joint (12), the second direction protruding with second guide way looks adaptation on drain pipe (21), the bellied at least part of second direction is used for setting up in the second guide way, with joint (12) with pass through when drain pipe (21) joint the second direction protruding with the second guide way leads.

2. The connecting tube assembly according to claim 1, wherein the joint (12) comprises a joint body and a catch (13) connected to the joint body, the first guide groove (121) being provided on the joint body; the joint body is sleeved on the drain pipe (21), and the buckle (13) is clamped with a clamping groove (212) on the drain pipe (21); when the connecting pipe assembly is installed, at least part of the first guide protrusion (211) is inserted into the first guide groove (121), and then the buckle (13) is clamped with the clamping groove (212).

3. The connecting tube assembly of claim 2, wherein the fitting body has first and second oppositely disposed connection ends (122, 123) along an axial direction thereof; the first guide groove (121) is disposed on an inner wall of the joint body, the first guide groove (121) extends in an axial direction of the joint body, and one end of the first guide groove (121) extends to a first connection end (122) of the joint body to form a first mounting port (124), so that the first guide protrusion (211) is inserted into the first guide groove (121) through the first mounting port (124).

4. The connector assembly of claim 3, wherein the fitting body includes a first sidewall section (125), an inner wall of the first sidewall section (125) being a floor of the first guide slot (121);

the first side wall section (125) has a first adjustment gap (126) and a second adjustment gap (127), the first adjustment gap (126) extending from the first connection end (122) towards the second connection end (123), the second adjustment gap (127) extending from the first connection end (122) towards the second connection end (123), a first adjustment portion (128) being formed between the first adjustment gap (126) and the second adjustment gap (127), the first adjustment portion (128) being position-adjustably arranged;

wherein the catch (13) is connected with the first adjustment portion (128).

5. The connecting tube assembly of claim 2, wherein the fitting body has first and second oppositely disposed connection ends (122, 123) along an axial direction thereof; the first guide groove (121) is disposed at the first connection end (122) and extends from the first connection end (122) toward the second connection end (123), and a notch (129) of the first guide groove (121) is located at the first connection end (122) so that the first guide protrusion (211) is inserted into the first guide groove (121) through the notch (129).

6. The connector tube assembly of claim 5, wherein the fitting body is an annular structure; the first guide groove (121) extends in a radial direction of the joint body, the first guide groove (121) extending to an inner side wall and an outer side wall of the joint body;

the joint body is provided with two first guide grooves (121), the two first guide grooves (121) are arranged at intervals along the circumferential direction of the joint (12), a second adjusting part (130) is formed between the two first guide grooves (121), and the position of the second adjusting part (130) is adjustably arranged;

wherein the buckle (13) is connected with the second adjusting part (130).

7. The connecting tube assembly according to claim 5, characterized in that the first guide groove (121) has a rectangular, or triangular, or trapezoidal cross section perpendicular to the radial direction of the joint body.

8. A connecting tube assembly according to any of claims 2-7, characterized in that a handle (14) is provided on the catch (13), which handle (14) is provided on the side of the catch (13) remote from the axis of the fitting body.

9. A connector tube assembly according to any one of claims 1 to 7, further comprising a transition connector tube (15) and a sealing ring (16), the connector tube being connected to the fitting (12) via the transition connector tube (15);

the sealing ring (16) is fixed between the joint (12) and the transition connecting pipe (15) along the axial direction of the transition connecting pipe (15), so that the sealing ring (16) seals between the connecting pipe assembly and the water drainage pipe (21).

10. A drainage structure is characterized by comprising a drainage pipe (21), wherein a first guide bulge (211) is arranged on the drainage pipe (21); and/or

And a second guide groove is formed in the water discharge pipe (21).

11. A drainage arrangement according to claim 10, characterised in that the drain pipe (21) is provided with a catch (212).

12. A drainage arrangement according to claim 11, characterised in that the drainage pipe (21) has, in its direction of extension, an attachment end (213) and a free end (214) arranged opposite each other, the attachment end (213) being intended for connection with at least part of a component to be drained; the first guide projection (211) is provided with a first end and a second end which are oppositely arranged along the extension direction of the drain pipe (21), and the first end of the first guide projection (211) is positioned on one side, close to the free end (214), of the second end of the first guide projection (211);

the clamping groove (212) is arranged on the first guide protrusion (211), and the clamping groove (212) and the first end of the first guide protrusion (211) are arranged at intervals.

13. A drainage arrangement according to claim 11, characterised in that the drainage pipe (21) has, in its direction of extension, an attachment end (213) and a free end (214) arranged opposite each other, the attachment end (213) being intended for connection with at least part of a component to be drained;

wherein the first guide projection (211) is arranged on one side of the clamping groove (212) close to the free end (214).

14. The drainage structure according to claim 13, wherein the first guide protrusions (211) are two, and the two first guide protrusions (211) are spaced apart from each other in a circumferential direction of the drainage pipe (21).

15. A drainage structure according to claim 13, wherein a cross-section of the first guide projection (211) perpendicular to a radial direction of the drainage pipe (21) is rectangular, or triangular, or trapezoidal.

16. A drainage arrangement according to claim 13, wherein the drain pipe (21) is provided with a protrusion (215), the catch (212) being provided on the protrusion (215), the first guide projection (211) being connected to a first end of the protrusion (215) and being located between the protrusion (215) and the free end (214); at least part of the first end of the boss (215) is used for stopping a first connecting end (122) of a joint (12) of a connecting pipe assembly;

wherein the bulge part (215) is an arc-shaped structure extending along the circumferential direction of the drain pipe (21); or

The bulge part (215) is of an annular structure arranged along the circumferential direction of the drain pipe (21).

17. An indoor unit of an air conditioner, comprising:

the connector tube assembly of any one of claims 1 to 9;

the drain structure according to any one of claims 10 to 16, which is used to drain condensed water generated in the air conditioning indoor unit;

during the assembly process of the connecting pipe assembly and the drainage structure, the connecting pipe assembly and the drainage structure are installed in a guiding mode through the first guiding protrusion (211) and the first guiding groove (121); and/or the connecting pipe assembly and the drainage structure are installed in a guiding mode through the second guiding protrusion and the second guiding groove, so that the connecting pipe assembly is clamped with the drainage structure.

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