CN222277138U - Rod end cover connecting mechanism and clothes airing machine - Google Patents

Abstract

The embodiment of the utility model provides a drying rod end cover connection mechanism and a clothes drying machine, which relate to the field of household appliances. The drying rod end cover connection mechanism includes a drying rod part, an end cover part, an expansion part and a locking part; the expansion part is accommodated in the end cover part, the end cover part is connected to one end of the drying rod part, and part of the end cover part and the expansion part are both accommodated in the drying rod part; wherein the locking part passes through the expansion part and is spirally matched with the expansion part so that the expansion part is pressed against the end cover part, and at least two first oblique teeth are annularly arranged on the end cover part, and at least two first oblique teeth are pressed against the locking part; and/or, the end cover part is provided with a limiting platform, and the limiting platform is pressed against the expansion part to prevent the expansion part from detaching from the end cover part. The connection mechanism and the clothes drying machine can prevent the expansion part from falling when the locking part is taken out, thereby avoiding material waste; and the locking part can be locked by the first oblique teeth, so that the locking part and the expansion part will not easily loosen in the reverse direction when tightening and locking, thereby ensuring the locking stability.

Description

Rod end cover connecting mechanism and clothes airing machine

Technical Field

The utility model relates to the field of household appliances, in particular to a rod end cover connecting mechanism and a clothes drying machine.

Background

The existing airing machine can be assembled before sales to ensure the functional integrity of the airing machine, and disassembled again during sales to facilitate transportation. When dismantling, the locking piece is taken out to be packed independently, but the locking piece is taken out and then the expansion piece is easy to drop to the inner cavity of the airing rod piece and cause clamping stagnation, so that the phenomenon of material waste is easy to occur.

Disclosure of utility model

The utility model provides a rod end cover connecting mechanism and a clothes drying machine, which can prevent an expansion piece from falling off when a locking piece is taken out, so that material waste is avoided.

Embodiments of the utility model may be implemented as follows:

The embodiment of the utility model provides a rod end cover connecting mechanism, which comprises:

The expansion piece is accommodated in the end cover piece, the end cover piece is connected to one end of the airing piece, and part of the end cover piece and the expansion piece are accommodated in the airing piece;

The locking piece penetrates through the expansion piece and is in spiral fit with the expansion piece so that the expansion piece abuts against the end cover piece, at least two first helical teeth are annularly arranged on the end cover piece, and the at least two first helical teeth abut against the locking piece;

And/or the end cover piece is provided with a limiting table, and the limiting table is propped against the expansion piece and used for preventing the expansion piece from being separated from the end cover piece. Optionally, an anti-tripping device is arranged on the expansion piece, and the anti-tripping device is matched with the limiting table.

Optionally, the trip prevention is far away from one side of the limiting platform is formed with a guide inclined plane, the guide inclined plane is provided with a first end and a second end which are sequentially arranged along the direction close to the end cover piece, the outer diameter of the first end is simultaneously smaller than the outer diameter of the second end and the inner diameter of the limiting platform, and the outer diameter of the second end is larger than the inner diameter of the limiting platform.

Optionally, an expansion inclined plane is formed on the outer wall of the expansion piece, the expansion inclined plane is arranged in dislocation with the anti-tripping device, and the expansion inclined plane is used for propping against the inner wall of the end cover piece.

Optionally, the number of inflation inclined plane is two at least, adjacent be formed with between the inflation inclined plane and dodge the groove, dodge the groove with prevent tripping and be in correspond the setting in the circumference direction of expansion member, spacing platform holding in dodge the groove and with dodge the lateral wall in groove and prop.

Optionally, a guide ring is disposed on the inner side of the end cover member, the locking member is accommodated in the guide ring, and the first helical teeth are formed on an end face of the guide ring, which is close to the connecting member.

Optionally, the locking piece includes the auto-lock portion and the first locking lever portion that are connected, the auto-lock portion is close to the terminal surface annular of first locking lever portion is provided with two at least second skewed tooth, the second skewed tooth with first skewed tooth cooperation, first locking lever portion holding in the guide ring and with expansion member screw fit.

The embodiment of the utility model also provides a clothes airing machine, which comprises a connecting piece and a connecting structure of the end cover of the airing rod, wherein connecting holes are respectively formed in two ends of the connecting piece, the end parts of the connecting piece are propped against the end cover piece, part of the locking piece is accommodated in the connecting holes, optionally, the locking piece comprises a locking head part, a self-locking part and a first locking rod part which are sequentially connected, the locking head part is propped against one side, far away from the end cover piece, of the connecting piece, the self-locking part is accommodated in the connecting holes and propped against the first helical teeth, and the first locking rod part is accommodated in the end cover piece and is in spiral fit with the expansion piece.

Optionally, the second locking lever portion, auto-lock portion and the first locking lever portion that the locking piece connects gradually, second locking lever portion holding in the connecting hole, auto-lock portion holding in the connecting hole and support in first helical tooth, first locking lever portion holding in the end cover piece and with expansion piece screw fit.

Optionally, the airing machine further comprises an outer cover, the outer cover is covered on the connecting piece, and the extension length of the second lock rod part in the outer cover is shorter than the extension length of the first lock rod part in the airing rod part.

The rod end cover connecting mechanism and the clothes airing machine have the beneficial effects that:

The rod end cover connecting mechanism comprises a rod, an end cover piece, an expansion piece and a locking piece, wherein the expansion piece is accommodated in the end cover piece, the end cover piece is connected to one end of the rod, and part of the end cover piece and the expansion piece are accommodated in the rod;

the locking piece penetrates through the expansion piece and is in spiral fit with the expansion piece so that the expansion piece abuts against the end cover piece, at least two first helical teeth are annularly arranged on the end cover piece, and the at least two first helical teeth abut against the locking piece;

and/or the end cover piece is provided with a limiting table, and the limiting table is propped against the expansion piece and is used for preventing the expansion piece from being separated from the end cover piece.

When the packing is required to be disassembled, the locking piece can be screwed out to be packed independently, and the expansion piece cannot fall into the inner cavity of the airing rod piece and is blocked under the supporting action of the limiting table, so that the expansion piece is prevented from being completely separated from the end cover piece, and the waste phenomenon of materials is reduced. And the locking piece is locked by forming the first helical teeth, so that the reverse unscrewing phenomenon can not happen easily when the locking piece and the expansion piece are screwed and locked, and the locking stability is further ensured.

The clothes airing machine comprises a airing rod end cover connecting mechanism, and the airing rod end cover connecting mechanism has all functions of the airing rod end cover connecting mechanism.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an explosion structure of a rod end cover connection mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a first embodiment of an end cap according to the present utility model;

FIG. 3 is a schematic diagram of a second embodiment of an end cap according to the present utility model;

FIG. 4 is a schematic view of the structure of an expansion member provided in an embodiment of the present utility model;

FIG. 5 is a schematic view of a locking member according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of an exploded view of a rod end cap connection mechanism according to an embodiment of the present utility model;

FIG. 7 is a second schematic structural view of a locking member according to an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a clothes airing machine according to an embodiment of the present utility model.

The icons comprise a 100-airing rod end cover connecting mechanism, a 110-airing rod piece, a 111-locating hole, a 130-end cover piece, a 131-limiting table, a 132-guide ring, a 1321-first inclined tooth, a 133-locating buckle, a 140-expansion piece, a 141-anti-tripping piece, a 1411-guide inclined surface, a 1411 a-first end, a 1411 b-second end, a 142-expansion inclined surface, a 143-avoidance groove, a 150-locking piece, a 151-locking piece, a 152-self-locking piece, a 1521-second inclined tooth, a 153-first locking rod piece, a 154-second locking rod piece, a 200-connecting piece, a 210-connecting hole, a 300-outer cover and a 1000-airing machine.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and the like should be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Referring to fig. 1 to 8, the rod end cover connection mechanism 100 and the clothes drying machine 1000 according to the embodiments of the present utility model can solve the above-mentioned problems, and will be described in detail.

Referring to fig. 1-3, the rod end cover connection mechanism 100 is used for a clothes airing machine 1000, and comprises a airing rod 110, an end cover 130, an expansion member 140 and a locking member 150, wherein the expansion member 140 is accommodated in the end cover 130, the end cover 130 is connected to one end of the airing rod 110, part of the end cover 130 and the expansion member 140 are accommodated in the airing rod 110, the locking member 150 penetrates through the expansion member 140 and is in spiral fit with the expansion member 140 so as to enable the expansion member 140 to tightly abut against the end cover 130, at least two first helical teeth 1321 are annularly arranged on the end cover 130, and at least two first helical teeth 1321 abut against the locking member 150;

The end cap 130 is provided with a limiting platform 131, and the limiting platform 131 abuts against the expansion member 140 to prevent the expansion member 140 from being separated from the end cap 130.

When the packaging needs to be disassembled, the locking piece 150 can be screwed out to be packaged independently, and the expansion piece 140 cannot fall into the inner cavity of the airing rod piece 110 and is blocked under the supporting action of the limiting table 131, so that the expansion piece 140 is prevented from being completely separated from the end cover piece 130, and the waste of materials is reduced.

In addition, the first helical teeth 1321 are formed to lock the locking member 150, so that the locking member 150 and the expansion member 140 cannot easily reverse unscrew when the locking member is screwed, and the locking stability is further ensured.

It should be noted that, during the assembly process, the expansion member 140 may be first accommodated in the end cap member 130, then the end cap member 130 and the expansion member 140 are put together into the inner cavity of the air-drying member 110, and then one end of the locking member 150 is put into the end cap member 130 and is in screw fit with the expansion member 140.

In this embodiment, the locking member 150 and the expansion member 140 may be provided with external threads and internal threads at mutually matched positions, respectively, which are screwed together. When an external force is applied to the locking member 150 to rotate the locking member 150, the rotational movement can be converted into an axial movement of the expansion member 140 by using a screw connection, the outer wall of the expansion member 140 abuts against the inner wall of the end cap member 130 when the expansion member 140 moves in a direction approaching the end cap member 130, and the outer wall of the expansion member 140 is separated from the inner wall of the end cap member 130 when the expansion member moves in a direction separating from the connecting member 200.

Referring to fig. 3 and 4, in order to improve the limiting effect of the limiting platform 131 on the expansion member 140, the expansion member 140 may be provided with an anti-trip 141, and the anti-trip 141 is matched with the limiting platform 131. The trip prevention piece 141 is formed with a guide slope 1411 at a side thereof remote from the limit table 131, and the expansion piece 140 is guided in the process of being put into the end cap 130 by providing the guide slope 1411.

And, the guide inclined surface 1411 has a first end 1411a and a second end 1411b which are sequentially disposed in a direction approaching the end cap 130, the outer diameter of the first end 1411a is smaller than the outer diameter of the second end 1411b and the inner diameter of the stopper 131 at the same time, and the outer diameter of the second end 1411b is larger than the inner diameter of the stopper 131.

In this embodiment, the number of the limiting tables 131 and the anti-tripping devices 141 is two, the two limiting tables 131 are symmetrically arranged in the circumferential direction of the end cap 130, and the two anti-tripping devices 141 are symmetrically arranged in the circumferential direction of the expansion member 140, however, in other embodiments of the present utility model, the number of the limiting tables 131 and the anti-tripping devices 141 may be three, four, six groups, etc. in view of improving the limiting stability, and the specific number of the limiting tables 131 and the anti-tripping devices 141 is not limited.

Referring to fig. 4, an expansion slope 142 is formed on an outer wall of the expansion member 140, the expansion slope 142 is disposed in a dislocation with the anti-releasing device 141, and the expansion slope 142 is used to abut against an inner wall of the end cap 130.

Specifically, the expansion ramp 142 is an inclined surface such that the expansion member 140 is in a tapered configuration with a tapered small diameter end adjacent the connector 200 relative to a large diameter end.

Moreover, by causing the expansion inclined plane 142 and the anti-trip 141 to be dislocated, the expansion member 140 can be flexibly switched between the two states of abutting against the end cover member 130 and disengaging from the end cover member 130 and being matched with the limiting table 131 through the anti-trip 141, so that the two cannot interfere with each other.

The number of the expansion slopes 142 is at least two, and the escape groove 143 is formed between the adjacent expansion slopes 142, the escape groove 143 and the anti-trip 141 are provided in correspondence with each other in the circumferential direction of the expansion member 140, and the stopper 131 is accommodated in the escape groove 143 and abuts against the side wall of the escape groove 143.

Under the condition that the expansion inclined plane 142 abuts against the end cover member 130, the expansion member 140 moves towards the connecting member 200, so that the anti-tripping device 141 and the limiting table 131 are far away from each other, the limiting table 131 can be accommodated in the avoiding groove 143, the abutting interference to the limiting table 131 can be avoided, the side wall of the avoiding groove 143 can be matched with the limiting table 131, and further the expansion member 140 is prevented from rotating.

Referring to fig. 1 and 2, the inner side of the end cap 130 is provided with a guide ring 132, the locking member 150 is accommodated in the guide ring 132, the end surface of the guide ring 132, which is close to the connecting member 200, is annularly provided with at least two first helical teeth 1321, and the first helical teeth 1321 are abutted against the locking member 150.

During assembly, the guide ring 132 can play a role in guiding and positioning the locking member 150, so that the locking member 150 is prevented from deflecting relative to the end cover member 130 when the through connection member 200 is in use, and the locking member 150 can be more quickly matched with the expansion member 140 during installation.

Moreover, because the locking member 150 is in spiral fit with the expansion joint, the connection depth between the locking member 150 and the expansion member 140 can be deepened when the locking member 150 rotates in the first direction, the connection depth between the locking member 150 and the expansion member 140 can be made shallow until the locking member 150 is separated from the expansion member 140 when the locking member 150 rotates in the second direction, the first helical teeth 1321 are arranged, the direction from the lower position to the higher position of the first helical teeth 1321 is the first direction, the locking member 150 and the expansion member 140 are conveniently driven to be screwed, and the second direction from the higher position to the lower position of the first helical teeth 1321 is the second direction, so that the locking member 150 is prevented from easily rotating in the second direction and being connected with the expansion member 140 to be loose.

Referring to fig. 1 and 6, in order to improve the positioning accuracy and connection reliability of the airing rod 110 and the end cap 130, the sidewall of the airing rod 110 may be provided with a positioning hole 111, and the outer wall of the end cap 130 is formed with a positioning buckle 133, where the positioning buckle 133 is accommodated in the positioning hole 111.

In the embodiment, the number of the positioning holes 111 and the positioning buckles 133 is two, the two positioning holes 111 are symmetrically arranged on the airing rod 110, and the two positioning buckles 133 are symmetrically arranged on the end cover 130, however, in other embodiments of the utility model, the number of the positioning holes 111 and the positioning buckles 133 can be one, three, five, etc., and the specific arrangement number of the two is not limited.

Referring to fig. 1 and 5, the locking member 150 may be a single-head extending structure, where the locking member 150 includes a locking head 151, a self-locking portion 152 and a first locking rod portion 153, where the locking head 151 abuts against the connecting member 200, the first self-locking portion 152 penetrates through the connecting member 200, at least two second helical teeth 1521 are annularly disposed on an end surface of the first self-locking portion 152 away from the locking head 151, the second helical teeth 1521 are engaged with the first helical teeth 1321, and the first locking rod portion 153 is accommodated in the guide ring 132 and is in screw engagement with the expansion member 140.

In this embodiment, the outer diameter of the locking portion 151 is larger than that of the first self-locking portion 152 and larger than that of the first locking portion 153, so that the connecting member 200 is provided with the connecting hole 210, the connecting hole 210 is a countersunk hole, the locking portion 151 is accommodated in a large-diameter section of the countersunk hole, the first locking portion 153 is accommodated in the guide ring 132 and is in screw fit with the expansion member 140, and the self-locking portion 152 is convenient to be matched with the first helical teeth 1321 by providing the second helical teeth 1521, thereby improving the self-locking performance of the locking member 150 and the expansion member 140.

Referring to fig. 6 and 7, the locking member 150 may further be a double-end extending structure, where the locking member 150 includes a second locking rod portion 154, a self-locking portion 152 and a first locking rod portion 153 sequentially connected, the second locking rod portion 154 penetrates through the connecting member 200, at least two second helical teeth 1521 are annularly disposed on an end surface of the self-locking portion 152 near the first locking rod portion 153, the second helical teeth 1521 are matched with the first helical teeth 1321, and the first locking rod portion 153 is accommodated in the guide ring 132 and is in screw fit with the expansion member 140.

In this embodiment, the outer diameters of the second lock lever portion 154 and the first lock lever portion 153 may be made identical, and the outer diameter of the self-locking portion 152 is simultaneously larger than the outer diameters of the second lock lever portion 154 and the first lock lever portion 153. The second locking lever portion 154 may be an interference fit with the connector 200 or may be a threaded connection.

In addition, since the rod 110 has a certain extension length and is significantly longer than the extension length of the connecting member 200 in the axial direction of the rod 110, the extension length of the second locking lever portion 154 in the outer cover 300 is shorter than the extension length of the first locking lever portion 153 in the rod 110, so as to ensure that the rod 110 with the first locking lever portion 153 has sufficient supporting strength.

Referring to fig. 8, the embodiment of the present utility model further provides a airing machine 1000, including a connector 200, an outer cover 300 and an airing rod end cover connection mechanism 100, wherein the connector 200 is mounted on the outer cover 300. The airing machine 1000 may further include a main machine, in which a telescopic driving member and a drying driving member are accommodated, and the telescopic driving member and the drying driving member are matched to realize airing operation. Both ends of the connecting piece 200 are matched with the airing rod 110, and the outer cover 300 is covered on the outer side of the high position of the connecting piece 200. The airing machine 1000 includes an airing rod end cover connection mechanism 100, which has all functions of the airing rod end cover connection mechanism 100.

In summary, the airing rod end cover connection mechanism 100 and the airing machine 1000 provided by the embodiments of the present utility model have at least the following advantages:

(1) When the packaging is required to be disassembled, the locking piece 150 can be screwed out to be packaged independently, and the expansion piece 140 cannot fall into the inner cavity of the airing rod piece 110 and is blocked under the supporting action of the limiting table 131, so that the expansion piece 140 is prevented from being completely separated from the end cover piece 130, and the material waste phenomenon is reduced.

(2) By arranging the first helical teeth 1321 and the second helical teeth 1521 which are matched, the guide ring 132 can be matched with the self-locking part 152 to realize the self-locking function, so that the locking piece 150 can be screwed forward and simultaneously avoid the phenomenon of loosening in the reverse direction.

(3) By defining the relationship between the extended lengths of the second locking lever portion 154 and the first locking lever portion 153 when the locking member 150 of the double-headed structure is used, it is possible to provide better support strength for the longer airing rod member 110, so as to prevent the airing rod member 110 from being bent and deformed due to the excessively long length.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (11)

1. Air-drying rod end cover coupling mechanism, its characterized in that includes:

The clothes airing rod comprises an airing rod piece (110), an end cover piece (130), an expansion piece (140) and a locking piece (150), wherein the expansion piece (140) is accommodated in the end cover piece (130), the end cover piece (130) is connected to one end of the airing rod piece (110), and part of the end cover piece (130) and the expansion piece (140) are accommodated in the airing rod piece (110);

The locking piece (150) penetrates through the expansion piece (140) and is in spiral fit with the expansion piece (140) so that the expansion piece (140) abuts against the end cover piece (130), at least two first helical teeth (1321) are annularly arranged on the end cover piece (130), and the at least two first helical teeth (1321) abut against the locking piece (150);

And/or the end cover piece (130) is provided with a limiting table (131), and the limiting table (131) is propped against the expansion piece (140) to prevent the expansion piece (140) from being separated from the end cover piece (130).

2. The air-drying rod end cover connection mechanism according to claim 1, wherein an anti-tripping device (141) is arranged on the expansion piece (140), and the anti-tripping device (141) is matched with the limiting table (131).

3. The mechanism according to claim 2, wherein a guiding inclined surface (1411) is formed on a side of the anti-trip (141) close to the limiting table (131), the guiding inclined surface (1411) has a first end (1411 a) and a second end (1411 b) sequentially arranged along a direction close to the end cap (130), an outer diameter of the first end (1411 a) is smaller than an outer diameter of the second end (1411 b) and an inner diameter of the limiting table (131), and an outer diameter of the second end (1411 b) is larger than an inner diameter of the limiting table (131).

4. The air-drying rod end cover connection mechanism according to claim 2, wherein an expansion inclined surface (142) is formed on the outer wall of the expansion member (140), the expansion inclined surface (142) and the anti-tripping member (141) are arranged in a dislocation manner, and the expansion inclined surface (142) is used for abutting against the inner wall of the end cover member (130).

5. The mechanism according to claim 4, wherein the number of the expansion inclined planes (142) is at least two, an avoidance groove (143) is formed between adjacent expansion inclined planes (142), the avoidance groove (143) and the anti-release (141) are correspondingly arranged in the circumferential direction of the expansion member (140), and the limiting table (131) is accommodated in the avoidance groove (143) and abuts against the side wall of the avoidance groove (143).

6. The mechanism of any one of claims 1 to 4, wherein a guide ring (132) is disposed on an inner side of the end cap (130), the locking member (150) is accommodated in the guide ring (132), and the first helical tooth (1321) is formed on an end surface of the guide ring (132) away from the expansion member (140).

7. The mechanism of claim 6, wherein the locking member (150) includes a self-locking portion (152) and a first locking rod portion (153) that are connected, the self-locking portion (152) is annularly disposed near an end face of the first locking rod portion (153) with at least two second helical teeth (1521), the second helical teeth (1521) are engaged with the first helical teeth (1321), and the first locking rod portion (153) is accommodated in the guide ring (132) and is engaged with the expansion member (140) in a screw manner.

8. The airing machine is characterized by comprising a connecting piece (200) and the airing rod end cover connecting mechanism according to any one of claims 1-7, wherein connecting holes (210) are respectively formed in two ends of the connecting piece (200), the end parts of the connecting piece (200) are propped against the end cover piece (130), and parts of the locking piece (150) are accommodated in the connecting holes (210).

9. The airing machine according to claim 8, wherein the locking member (150) comprises a locking head portion (151), a self-locking portion (152) and a first locking rod portion (153) which are sequentially connected, the locking head portion (151) is propped against one side, away from the end cover member (130), of the connecting member (200), the self-locking portion (152) is accommodated in the connecting hole (210) and is propped against the first helical tooth (1321), and the first locking rod portion (153) is accommodated in the end cover member (130) and is in screw fit with the expansion member (140).

10. The airing machine according to claim 8, wherein the locking member (150) is sequentially connected with a second locking rod portion (154), a self-locking portion (152) and a first locking rod portion (153), the second locking rod portion (154) is accommodated in the connecting hole (210), the self-locking portion (152) is accommodated in the connecting hole (210) and abuts against the first helical tooth (1321), and the first locking rod portion (153) is accommodated in the end cover member (130) and is in screw fit with the expansion member (140).

11. The airing machine according to claim 10, further comprising an outer cover (300), wherein the outer cover (300) covers the connecting piece (200), and the second locking lever portion (154) is located in the outer cover (300) and has a shorter extension length than the first locking lever portion (153) is located in the airing rod (110).