Telescopic rod and device having the same

Abstract

The present invention relates to the technical field of daily necessities, and discloses a telescopic rod and a device having the telescopic rod. The telescopic rod comprises a plurality of rod assemblies arranged in sequence. Except for the last rod assembly, the rod bodies of the remaining rod assemblies are all provided with locking holes. Except for the first rod assembly, the rod bodies of the remaining rod assemblies are all provided with locking assemblies. The locking assemblies comprise: a support seat fixed to the rod body, the support seat being provided with a spring hole; a spring arranged in the support seat, the spring including a locking end extending out of the spring hole; except for the support seat provided in the rod body of the second rod assembly, the support seats of the remaining rod assemblies all comprise an insert. When the telescopic rod is retracted, the insert of the support seat is adapted to be inserted into the gap between the support seat and the spring of the adjacent upper rod assembly to allow the spring to leave the corresponding locking hole. The present invention can achieve rapid storage.

Description

Technical Field

[0001] The present invention relates to the technical field of daily necessities, and in particular to a telescopic rod and a device having the telescopic rod. Background Art

[0002] Telescopic rods are very common in daily life. For example, the telescopic clothes rod of a clothes dryer needs to ensure that the clothes rod can stably bear the weight after being extended, so as not to retract when the clothes are too heavy. Therefore, an elastic locking structure needs to be set between the clothes rods of each level of the telescopic clothes rod. The clothes rod is provided with a locking hole. When the clothes rod is extended, the locking end of the elastic locking structure is inserted into the locking hole. When the telescopic clothes rod needs to be retracted, the locking end needs to be pressed from the outside of the clothes rod to retract the locking end into the clothes rod. The operation is inconvenient and quick storage cannot be achieved. Summary of the Invention

[0003] In view of this, the present invention provides a telescopic rod and a device having the telescopic rod to solve the problem in the related art that the telescopic rod cannot be quickly stored.

[0004] In a first aspect, the present invention provides a telescopic rod, comprising a plurality of rod assemblies arranged in sequence, wherein, except for the last rod assembly, the rod bodies of the remaining rod assemblies are provided with locking holes, and except for the first rod assembly, the rod bodies of the remaining rod assemblies are provided with locking assemblies, wherein the locking assemblies include:

[0005] A support base is fixed to the rod body, and the support base is provided with a spring hole;

[0006] a spring piece disposed in the support seat, the spring piece including a locking end extending out of the spring piece hole;

[0007] Except for the support seat provided on the rod body of the second-level rod body assembly, the support seats of the remaining levels of rod assemblies all include plug-ins. When the telescopic rod is retracted, the plug-in of the support seat is suitable for being inserted into the gap between the support seat and the spring piece of the adjacent upper-level rod body assembly to enable the spring piece to leave the corresponding locking hole.

[0008] Beneficial effect: When the support rod is fully extended, the locking end of the spring of the rear-stage rod assembly in the adjacent two-stage rod assembly is inserted into the locking hole of the rod body of the front-stage rod assembly. The support rod has a larger length. Since the locking end cooperates with the locking hole along the radial direction of the rod body, the support rod extends or contracts along the axial direction. Therefore, even if the end of the support rod is subjected to a large bearing force, it will not contract, thereby ensuring the bearing strength of the support rod. When the lever is in the locked position, the lever arm is released from the locking hole of the lever arm and the locking member is released, and the lever arm can be retracted into the lever arm of the third lever assembly.

[0009] When the lever is fully retracted and the lever is in the locked position, the locking end of the spring clip of the last lever assembly is moved outwards and inserted into the locking hole on the lever body of the second-to-last lever assembly, and the second-to-last lever assembly is locked together with the last lever assembly. Then, the lever drives the second-to-last lever assembly to continue to stretch outwards, and when the spring clip of the second-to-last lever assembly moves to the locking end relative to the locking hole on the lever body of the third-to-last lever assembly, the locking end of the spring clip of the second-to-last lever assembly is moved outwards and inserted into the locking hole on the lever body of the third-to-last lever assembly, and the second-to-last lever assembly is locked together, and the second-to-last lever assembly drives the third-to-last lever assembly to continue stretching outwards, and according to this process, the lever is fully extended.

[0010] In an optional embodiment, the support seat is provided with a first opening and a second opening relative to each other, the spring sheet is suitable for being installed in the support seat through the first opening, the plug-in is provided at the first opening, and the plug-in is suitable for being inserted into the gap between the support seat and the spring sheet of the upper-level rod assembly through the second opening.

[0011] Beneficial effect: By setting the first opening and the second opening, during installation, the spring piece is installed into the support seat through the first opening. After the spring piece enters the support seat, the position of the spring piece is fixed under the action of its elastic force. The setting of the second opening facilitates the insertion of the plug-in unit of the support seat of the lower-level rod assembly in the adjacent two-level rod assembly into the gap between the support seat and the spring piece of the upper-level rod body assembly.

[0012] In an optional embodiment, a slot is provided at the first opening, and one end of the elastic sheet is clamped in the slot.

[0013] Beneficial effect: By arranging a slot at the first opening, one end of the spring is clamped in the slot, which can prevent the spring from falling out of the support seat when it is deformed.

[0014] In an optional embodiment, the spring sheet includes a first elastic arm that is in contact with the support seat and a second elastic arm that is arranged at an angle. The locking end is formed by bending the first elastic arm, and the end of the second elastic arm is clamped in the slot.

[0015] Beneficial effect: The spring piece is an integrated structure with good elasticity. The inclined setting of the second elastic arm can ensure that when the plug-in is inserted into the gap between the first elastic arm and the support seat, the first elastic arm compresses the second elastic arm to cause elastic deformation and drive the locking end to leave the corresponding locking hole.

[0016] In an optional embodiment, except for the last stage rod assembly, the inner sides of the rod bodies of the remaining stages rod assemblies are all provided with sheaths.

[0017] Beneficial effect: The setting of the sheath can protect each rod body and also has a limiting effect to prevent deflection of adjacent rod bodies when they move.

[0018] In an optional embodiment, a friction structure is further provided between the support seat and the rod body.

[0019] Beneficial effects: The friction structure is used to fix the support seat in the rod body. The two side surfaces of the friction structure are in contact with the rod body and the support seat respectively, and the support seat is fixed by friction force. The setting of the friction structure facilitates the installation of the support seat. The structure is simple and reliable and will not affect the extension and retraction of the telescopic rod.

[0020] In an optional embodiment, the friction structure includes a first friction plate and a second friction plate that are detachably connected.

[0021] Beneficial effect: The friction structure includes a first friction plate and a second friction plate that are detachably connected, which makes it easier to install the friction structure outside the support seat.

[0022] In an optional embodiment, the multi-stage rod assembly includes a first-stage rod assembly, a second-stage rod assembly, a third-stage rod assembly, and a fourth-stage rod assembly, and the fourth-stage rod assembly constitutes the last-stage rod assembly.

[0023] Beneficial effect: When the support rod is fully extended, the locking end of the spring piece of the second-stage rod assembly is inserted into the first locking hole, the locking end of the spring piece of the third-stage rod assembly is inserted into the second locking hole, and the locking end of the spring piece of the fourth-stage rod assembly is inserted into the third locking hole. The support rod has a large length. Since the locking end cooperates with each locking hole along the radial direction of each rod body, the support rod extends or contracts along the axial direction. Therefore, even if the end of the support rod is subjected to a large bearing force, it will not contract, thereby ensuring the bearing strength of the support rod.

[0024] When the support rod needs to be retracted, the locking end of the spring piece of the fourth rod assembly is pressed outside the third rod body, and the fourth rod body is pressed on the fourth rod body, and the fourth rod body is retracted into the third rod body. After the support piece of the fourth rod assembly contacts the support piece of the third rod assembly, the fourth rod body is pressed hard to make the plug-in on the support piece of the fourth rod assembly insert into the gap between the spring piece of the third rod assembly and the support piece, so that the spring piece of the third rod assembly leaves the second locking hole, the lock between the third rod body and the second rod body is released, and the third rod body can be retracted into the second rod body. After the support piece of the third-stage rod assembly contacts the support piece of the second-stage rod assembly, continue to press the fourth rod body with force, so that the plug-in on the support piece of the third-stage rod assembly is inserted into the gap between the spring piece of the second-stage rod assembly and the support piece, so that the spring piece of the second-stage rod assembly leaves the first locking hole, and the lock between the second rod body and the first rod body is released. The second rod body can be retracted into the first rod body, so that the entire support rod is completely retracted. Compared with the related art, since it is only necessary to press the locking end of the spring piece of the fourth-stage rod assembly outside the third rod body, it is convenient for users to operate and can be quickly stored.

[0025] When the spring piece of the second rod assembly moves to the point where its locking end is opposite to the first locking hole on the first rod body, the locking end of the spring piece of the second rod assembly pops outward and inserts into the first locking hole, so that the telescopic rod is fully extended.

[0026] In an optional embodiment, the locking hole is provided at the end of the rod body, and the locking assembly is provided at the head end of the rod body.

[0027] Beneficial effects: Since the locking hole is provided at the end of the rod body and the locking assembly is provided at the head end of the rod body, on the one hand, the installation of the locking assembly is facilitated; on the other hand, when the telescopic rod is fully extended, it has a greater length.

[0028] In a second aspect, the present invention further provides a device with a telescopic rod, comprising the telescopic rod.

[0029] In an optional embodiment, the device having the telescopic rod is a clothes dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 An exploded view of a telescopic rod according to an embodiment of the present invention;

[0032] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0033] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0034] Figure 4 This is a schematic diagram of a telescopic rod fully extended according to an embodiment of the present invention;

[0035] Figure 5 for Figure 4 Enlarged view of point C in the middle;

[0036] Figure 6 for Figure 4 Enlarged view of point D in the middle;

[0037] Figure 7 for Figure 4 Enlarged view of point E in the middle;

[0038] Figure 8 is a schematic diagram of the fourth rod being retracted into the third rod;

[0039] Figure 9 for Figure 8 Enlarged view of point F in the middle;

[0040] Figure 10 is a schematic diagram of the third rod body being retracted into the second rod body;

[0041] Figure 11 for Figure 10 Enlarged view of point G in the middle;

[0042] Figure 12 This is a schematic diagram of a telescopic rod fully retracted according to an embodiment of the present invention;

[0043] Figure 13 for Figure 12 Enlarged view of point H in the middle;

[0044] Figure 14 is a cross-sectional view of the second-stage rod assembly after the support member and the spring piece are engaged;

[0045] Figure 15 It is a cross-sectional view of the third-stage rod assembly and the fourth-stage rod assembly after the support member and the spring piece are matched;

[0046] Figure 16 It is a schematic diagram of the structure of the support components in the third-stage rod assembly and the fourth-stage rod assembly;

[0047] Figure 17 A cross-sectional view of the shrapnel.

[0048] Description of reference numerals:

[0049] 1. First rod; 101. First locking hole; 2. Second rod; 201. Second locking hole; 3. Third rod; 301. Third locking hole; 4. Fourth rod; 5. Support seat; 501. Spring clip hole; 502. Plug-in unit; 503. First opening; 504. Second opening; 505. Slot; 6. Spring clip; 601. Locking end; 602. First elastic arm; 603. Second elastic arm; 7. First friction plate; 8. Second friction plate; 9. Sheath. DETAILED DESCRIPTION

[0050] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0051] Telescopic rods are very common in daily life. For example, the telescopic clothes rod of a clothes dryer needs to ensure that the clothes rod can stably bear the weight after being extended, so as not to retract when the clothes are too heavy. Therefore, an elastic locking structure needs to be set between the clothes rods of each level of the telescopic clothes rod. The clothes rod is provided with a locking hole. When the clothes rod is extended, the locking end of the elastic locking structure is inserted into the locking hole. When the telescopic clothes rod needs to be retracted, the locking end needs to be pressed from the outside of the clothes rod to retract the locking end into the clothes rod. The operation is inconvenient and quick storage cannot be achieved.

[0052] The following combination Figures 1 to 17 , describing embodiments of the present invention.

[0053] According to an embodiment of the present invention, on the one hand, a telescopic rod is provided, comprising a multi-stage rod assembly arranged in sequence, wherein, except for the last stage rod assembly, the rod bodies of the remaining stages of the rod assembly are provided with locking holes, and except for the first stage rod assembly, the rod bodies of the remaining stages of the rod assembly are provided with locking assemblies, and the locking assemblies include a support seat 5 and a spring 6.

[0054] The support base 5 is fixed to the rod body and is provided with a spring hole 501. The spring 6 is disposed within the support base 5 and includes a locking end 601 extending out of the spring hole 501. Except for the support base 5 disposed on the rod body of the second-stage rod assembly, the support bases 5 of the remaining rod assemblies all include an insert 502. When the telescopic rod is retracted, the insert 502 of the support base 5 is adapted to be inserted into the gap between the support base 5 and the spring 6 of the adjacent upper-stage rod assembly, allowing the spring 6 to exit the corresponding locking hole.

[0055] In this embodiment, when the support rod is fully extended, the locking end 601 of the spring piece 6 of the rear rod assembly in the adjacent two-stage rod assembly is inserted into the locking hole of the rod body of the front rod assembly. The support rod has a relatively large length. Since the locking end 601 cooperates with the locking hole along the radial direction of the rod body, the support rod is extended or contracted along the axial direction. Therefore, even if the end of the support rod is subjected to a large load, it will not contract, thereby ensuring the load-bearing strength of the support rod. When it is necessary to retract the support rod, the locking end 601 of the spring piece 6 of the last rod assembly is pressed outside the rod body of the penultimate rod assembly, and the rod body of the last rod assembly is pressed to retract the rod body of the last rod assembly into the rod body of the penultimate rod assembly. After the support member of the last rod assembly contacts the support member of the penultimate rod assembly, the rod body of the last rod assembly is continued to be pressed hard to insert the plug-in 502 on the support member of the last rod assembly into the space between the spring piece 6 and the support member of the penultimate rod assembly. In the gap, the spring piece 6 of the second-to-last rod assembly leaves the locking hole of the rod body of the third-to-last rod assembly, and the lock between the rod bodies of the second-to-last rod assembly and the third-to-last rod assembly is released. The rod body of the second-to-last rod assembly can be retracted into the rod body of the third-to-last rod assembly. According to this process, the entire support rod can be completely retracted. Compared with the related art, since it is only necessary to press the locking end 601 of the spring piece 6 of the last-stage rod assembly outside the rod body of the second-to-last rod assembly, it is convenient for users to operate and can be quickly stored.

[0056] When the telescopic rod is fully retracted and needs to be extended again, the rod body of the last-stage rod assembly is pulled outward. When the spring piece 6 of the last-stage rod assembly moves to the point where its locking end 601 is opposite to the locking hole on the rod body of the second-to-last stage rod assembly, the locking end 601 of the spring piece 6 of the last-stage rod assembly pops outward and inserts into the locking hole on the rod body of the second-to-last stage rod assembly, and the second-to-last stage rod assembly is locked together with the last-stage rod assembly. Then the last-stage rod assembly drives the second-to-last stage rod assembly to continue to stretch outward. When the spring piece 6 of the second-to-last stage rod assembly moves to the point where its locking end 601 is opposite to the locking hole on the rod body of the third-to-last stage rod assembly, the locking end 601 of the spring piece 6 of the second-to-last stage rod assembly pops outward and inserts into the locking hole on the rod body of the third-to-last stage rod assembly, and the second-to-last stage rod assembly and the third-to-last stage rod assembly are locked together, the second-to-last stage rod assembly drives the third-to-last stage rod assembly to continue stretching outward. According to this process, the telescopic rod is fully extended.

[0057] Specifically in one embodiment, the multi-stage rod assembly includes a first-stage rod assembly, a second-stage rod assembly, a third-stage rod assembly, and a fourth-stage rod assembly, and the fourth-stage rod assembly constitutes the last-stage rod assembly.

[0058] In this embodiment, the first-level rod assembly includes a first rod body 1, which is provided with a first locking hole 101; the second-level rod assembly includes a second rod body 2 and a locking assembly provided on the second rod body 2, and the second rod body 2 is provided with a second locking hole 201; the third-level rod assembly includes a third rod body 3 and a locking assembly provided on the third rod body 3, and the third rod body 3 is provided with a third locking hole 301; the fourth-level rod assembly includes a fourth rod body 4 and a locking assembly provided on the fourth rod body 4.

[0059] When the support rod is fully extended, Figures 4 to 7 As shown, the locking end 601 of the spring piece 6 of the second-stage rod assembly is inserted into the first locking hole 101, the locking end 601 of the spring piece 6 of the third-stage rod assembly is inserted into the second locking hole 201, and the locking end 601 of the spring piece 6 of the fourth-stage rod assembly is inserted into the third locking hole 301. The support rod has a large length. Since the locking end 601 cooperates with each locking hole along the radial direction of each rod body, the support rod extends or contracts along the axial direction. Therefore, even if the end of the support rod is subjected to a large bearing force, it will not contract, thereby ensuring the bearing strength of the support rod.

[0060] When the support rod needs to be retracted, the locking end 601 of the spring piece 6 of the fourth rod assembly is pressed outside the third rod body 3, and the fourth rod body 4 is pressed on the fourth rod body 4, and the fourth rod body 4 is retracted into the third rod body 3, as shown in FIG. Figure 8 and Figure 9 After the support member of the fourth-stage rod assembly contacts the support member of the third-stage rod assembly, continue to press the fourth rod body 4 with force, so that the plug 502 on the support member of the fourth-stage rod assembly is inserted into the gap between the spring piece 6 of the third-stage rod assembly and the support member, so that the spring piece 6 of the third-stage rod assembly leaves the second locking hole 201, and the lock between the third rod body 3 and the second rod body 2 is released, and the third rod body 3 can be retracted into the second rod body 2. Figure 10 and Figure 11 After the support member of the third-stage rod assembly contacts the support member of the second-stage rod assembly, continue to press the fourth rod body 4 with force, so that the plug 502 on the support member of the third-stage rod assembly is inserted into the gap between the spring piece 6 of the second-stage rod assembly and the support member, so that the spring piece 6 of the second-stage rod assembly leaves the first locking hole 101, and the lock between the second rod body 2 and the first rod body 1 is released, and the second rod body 2 can be retracted into the first rod body 1. Figure 12 and Figure 13 , so that the entire support rod is completely retracted. Compared with the related art, since it is only necessary to press the locking end 601 of the spring piece 6 of the fourth-level rod assembly outside the third rod body 3, it is convenient for users to operate and can be quickly stored.

[0061] After the telescopic rod is fully retracted, when it needs to be extended again, the fourth rod body 4 is pulled outward. When the spring piece 6 of the fourth rod assembly moves to the point where its locking end 601 is opposite to the third locking hole 301 on the third rod body 3, the locking end 601 of the spring piece 6 of the fourth rod assembly pops outward and inserts into the third locking hole 301, and the third rod assembly and the fourth rod assembly are locked together. Then the fourth rod assembly drives the third rod assembly to continue to stretch outward. When the spring piece 6 of the third rod assembly moves to the point where its locking end 601 is opposite to the second rod body 2 When the locking end 601 of the spring piece 6 of the third-stage rod assembly is opposite to the second locking hole 201 on the first rod body 1, the locking end 601 of the spring piece 6 of the third-stage rod assembly pops outward and is inserted into the second locking hole 201, and the third-stage rod assembly is locked together with the second-stage rod assembly. The third-stage rod assembly drives the second-stage rod assembly to continue to stretch outward. When the spring piece 6 of the second-stage rod assembly moves to the point where its locking end 601 is opposite to the first locking hole 101 on the first rod body 1, the locking end 601 of the spring piece 6 of the second-stage rod assembly pops outward and is inserted into the first locking hole 101, so that the telescopic rod is fully extended.

[0062] Of course, in an embodiment not shown in the figures, the telescopic rod may only include a first-stage rod assembly, a second-stage rod assembly and a third-stage rod assembly.

[0063] In another embodiment not shown in the drawings, the telescopic rod may include five or more stage rod assemblies.

[0064] In one embodiment, Figure 16 As shown, the support seat 5 is provided with a first opening 503 and a second opening 504 relative to each other, the spring piece 6 is suitable for being installed into the support seat 5 through the first opening 503, the plug-in 502 is provided at the first opening 503, and the plug-in 502 is suitable for being inserted into the gap between the support seat 5 and the spring piece 6 of the upper-level rod assembly through the second opening 504.

[0065] In this embodiment, by setting the first opening 503 and the second opening 504, during installation, the spring piece 6 is installed into the support seat 5 through the first opening 503. After the spring piece 6 enters the support seat 5, the position of the spring piece 6 is fixed under the action of its elastic force. The setting of the second opening 504 facilitates the insertion of the plug-in 502 of the support seat 5 of the lower-level rod assembly in the adjacent two-level rod assembly into the gap between the support seat 5 and the spring piece 6 of the upper-level rod body assembly.

[0066] In one embodiment, a slot 505 is provided at the first opening 503 , and one end of the elastic piece 6 is locked in the slot 505 .

[0067] In this embodiment, a locking groove 505 is provided at the first opening 503 , and one end of the elastic sheet 6 is locked in the locking groove 505 , thereby preventing the elastic sheet 6 from falling out of the support base 5 after deformation.

[0068] In one embodiment, the spring piece 6 includes a first elastic arm 602 that fits the support base 5 and a second elastic arm 603 that is arranged obliquely. The locking end 601 is formed by bending the first elastic arm 602 , and the end of the second elastic arm 603 is clamped in the clamping slot 505 .

[0069] In this embodiment, the spring piece 6 is an integrated structure with good elasticity. The inclined setting of the second elastic arm 603 can ensure that when the plug-in 502 is inserted into the gap between the first elastic arm 602 and the support seat 5, the first elastic arm 602 compresses the second elastic arm 603 to cause elastic deformation and drive the locking end 601 to leave the corresponding locking hole.

[0070] Specific as Figure 14 and Figure 15 As shown, a mounting cavity is provided in the support base 5 , and a first opening 503 extends upward to form a stop block, and the stop block and the cavity wall of the mounting cavity form a slot 505 .

[0071] In an embodiment not shown in the figures, a recessed slot 505 may be provided on the cavity wall of the mounting cavity of the support base 5 .

[0072] In one embodiment, except for the last stage rod assembly, the inner sides of the rod bodies of the remaining stages rod assemblies are provided with a sheath 9 .

[0073] In this embodiment, the provision of the sheath 9 can protect each rod body and also have a limiting effect to prevent adjacent rod bodies from deflecting when moving.

[0074] Specifically in one embodiment, Figure 1 As shown, except for the last stage rod assembly, the rod bodies of the remaining stages rod assemblies are provided with clamping holes, and the sheath 9 is embedded in the rod body and clamped with the clamping holes.

[0075] Specifically, in one embodiment, a multi-stage rod assembly includes a first-stage rod assembly, a second-stage rod assembly, a third-stage rod assembly, and a fourth-stage rod assembly, with the fourth-stage rod assembly constituting the final stage rod assembly. The first-stage rod assembly includes a first rod body 1, the second-stage rod assembly includes a second rod body 2, the third-stage rod assembly includes a third rod body 3, and the fourth-stage rod assembly includes a fourth rod body 4. Each of the first rod body 1, the second rod body 2, and the third rod body 3 is provided with a sheath 9.

[0076] In one embodiment, a friction structure is further provided between the support base 5 and the rod body.

[0077] In this embodiment, the friction structure is used to fix the support seat 5 in the rod body. The two side surfaces of the friction structure are in contact with the rod body and the support seat 5 respectively, and the support seat 5 is fixed by friction force. The setting of the friction structure facilitates the installation of the support seat 5. The structure is simple and reliable and will not affect the extension and retraction of the telescopic rod.

[0078] In an embodiment not shown in the figures, the friction structure may not be provided, and the support seat 5 is fixed in the rod body by screws.

[0079] In one embodiment, the friction structure includes a first friction plate 7 and a second friction plate 8 that are detachably connected.

[0080] In this embodiment, the friction structure includes a first friction plate 7 and a second friction plate 8 that are detachably connected, which makes it easier to install the friction structure outside the support seat 5 .

[0081] The first friction plate 7 and the second friction plate 8 surround the outside of the rod body.

[0082] In one embodiment, the locking hole is provided at the end of the rod body, and the locking assembly is provided at the head end of the rod body.

[0083] In this embodiment, since the locking hole is provided at the end of the rod body and the locking assembly is provided at the head end of the rod body, on the one hand, the installation of the locking assembly is facilitated, and on the other hand, when the telescopic rod is fully extended, it has a greater length.

[0084] According to an embodiment of the present invention, on the other hand, a device with a telescopic rod is provided, comprising the above-mentioned telescopic rod.

[0085] The device with a telescopic rod is designed to fully extend the support rod when it is needed. When the support rod is fully extended, the locking end 601 of the spring piece 6 of the rear rod assembly in the adjacent two-stage rod assembly is inserted into the locking hole of the rod body of the front rod assembly. The support rod has a large length. Since the locking end 601 cooperates with the locking hole in the radial direction of the rod body, the support rod is extended or retracted in the axial direction. Therefore, even if the end of the support rod is subjected to a large load, it will not retract, thereby ensuring the load-bearing strength of the support rod. When the device is no longer needed, the support rod needs to be retracted. The locking end 601 of the spring piece 6 of the last rod assembly is pressed outside the rod body of the penultimate rod assembly, and the pressing rod body of the last rod assembly is used to retract the rod body of the last rod assembly into the rod body of the penultimate rod assembly. After the support member of the last rod assembly contacts the support member of the penultimate rod assembly, the rod body of the last rod assembly is continuously pressed with force to insert the plug 502 on the support member of the last rod assembly into the spring piece 6 of the penultimate rod assembly and the plug 502 on the support member of the last rod assembly into the penultimate rod assembly. In the gap between the support members, the spring piece 6 of the second-to-last rod assembly is allowed to leave the locking hole of the rod body of the third-to-last rod assembly, thereby releasing the lock between the rod bodies of the second-to-last rod assembly and the third-to-last rod assembly, and the rod body of the second-to-last rod assembly can be retracted into the rod body of the third-to-last rod assembly. According to this process, the entire support rod can be completely retracted. Compared with the related art, since it is only necessary to press the locking end 601 of the spring piece 6 of the last-stage rod assembly outside the rod body of the second-to-last rod assembly, it is convenient for users to operate and can be quickly stored.

[0086] When the lever 6 is fully retracted, the locking end 601 of the spring clip 6 of the last lever assembly is moved to face the locking hole on the lever body of the second-to-last lever assembly, and the locking end 601 of the spring clip 6 of the last lever assembly pops outward and is inserted into the locking hole on the lever body of the second-to-last lever assembly. The second-to-last lever assembly and the last-to-last lever assembly are locked together. Then, the last lever assembly drives the second-to-last lever assembly to continue to stretch outward, and when the spring clip 6 of the second-to-last lever assembly moves to face the locking hole on the lever body of the third-to-last lever assembly, the locking end 601 of the spring clip 6 of the second-to-last lever assembly pops outward and is inserted into the locking hole on the lever body of the third-to-last lever assembly. The second-to-last lever assembly and the third-to-last lever assembly are locked together, and the second-to-last lever assembly drives the third-to-last lever assembly to continue to stretch outward, and according to this process, the telescopic rod is fully extended.

[0087] In one embodiment, the device having the telescoping pole is a clothes dryer.

[0088] When the clothes dryer is in use, the support rod is fully extended. When the support rod is fully extended, the locking end 601 of the spring piece 6 of the rear rod assembly in the adjacent two-stage rod assembly is inserted into the locking hole of the rod body of the front rod assembly. The support rod has a large length. Since the locking end 601 cooperates with the locking hole in the radial direction of the rod body, the support rod is extended or contracted in the axial direction. Therefore, even if the end of the support rod is subjected to a large load, it will not contract, thereby ensuring the load-bearing strength of the support rod. When the clothes dryer is no longer needed and is stored, the support rod needs to be retracted. The locking end 601 of the spring piece 6 of the last rod assembly is pressed outside the rod body of the penultimate rod assembly, and the pressing rod body of the last rod assembly is pressed to retract the rod body of the last rod assembly into the rod body of the penultimate rod assembly. After the support member of the last rod assembly contacts the support member of the penultimate rod assembly, the rod body of the last rod assembly is further pressed to force the plug 502 on the support member of the last rod assembly to insert into the spring member of the penultimate rod assembly. In the gap between the sheet 6 and the support member, the spring piece 6 of the second-to-last rod assembly leaves the locking hole of the rod body of the third-to-last rod assembly, thereby releasing the lock between the rod bodies of the second-to-last rod assembly and the third-to-last rod assembly, and the rod body of the second-to-last rod assembly can be retracted into the rod body of the third-to-last rod assembly. According to this process, the entire support rod can be completely retracted. Compared with the related art, since it is only necessary to press the locking end 601 of the spring piece 6 of the last-stage rod assembly outside the rod body of the second-to-last rod assembly, it is convenient for users to operate and can be quickly stored.

[0089] After the telescopic rod is fully retracted, when the dryer needs to be used again, the telescopic rod needs to be extended and the rod body of the last rod assembly needs to be pulled outward. When the spring piece 6 of the last rod assembly moves to the point where its locking end 601 is opposite to the locking hole on the rod body of the second-to-last rod assembly, the locking end 601 of the spring piece 6 of the last rod assembly pops outward and inserts into the locking hole on the rod body of the second-to-last rod assembly. The second-to-last rod assembly and the last rod assembly are locked together. Then the last rod assembly drives the last rod assembly to rotate. The second-to-last rod assembly continues to stretch outward. When the spring piece 6 of the second-to-last rod assembly moves to the point where its locking end 601 is opposite to the locking hole on the rod body of the third-to-last rod assembly, the locking end 601 of the spring piece 6 of the second-to-last rod assembly pops outward and inserts into the locking hole on the rod body of the third-to-last rod assembly. The second-to-last rod assembly and the third-to-last rod assembly are locked together. The second-to-last rod assembly drives the third-to-last rod assembly to continue stretching outward. According to this process, the telescopic rod is fully extended.

[0090] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention. Such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A telescopic rod, characterized in that: The invention comprises a plurality of rod assemblies which are arranged in sequence. Except for the last rod assembly, the rod bodies of the remaining rod assemblies are provided with locking holes. Except for the first rod assembly, the rod bodies of the remaining rod assemblies are provided with locking assemblies. The locking assemblies include: A support seat (5) is fixed to the rod body, and the support seat (5) is provided with a spring hole (501); A spring piece (6) is disposed in the support seat (5), and the spring piece (6) includes a locking end (601) extending out of the spring piece hole (501); Except for the support seat (5) provided on the rod body of the second-stage rod body assembly, the support seats (5) of the remaining stages of the rod assembly all include a plug-in unit (502); when the telescopic rod is retracted, the plug-in unit (502) of the support seat (5) is adapted to be inserted into the gap between the support seat (5) and the spring piece (6) of the adjacent upper-stage rod body assembly so as to allow the spring piece (6) to leave the corresponding locking hole.

2. The telescopic rod according to claim 1, characterized in that: The support seat (5) is provided with a first opening (503) and a second opening (504) opposite to each other; the elastic sheet (6) is adapted to be installed in the support seat (5) through the first opening (503); the plug-in unit (502) is provided at the first opening (503); and the plug-in unit (502) is adapted to be inserted into the gap between the support seat (5) and the elastic sheet (6) of the upper-level rod assembly through the second opening (504).

3. The telescopic rod according to claim 2, characterized in that: A slot (505) is provided at the first opening (503), and one end of the spring (6) is clamped in the slot (505).

4. The telescopic rod according to claim 3, characterized in that: The spring piece (6) comprises a first elastic arm (602) fitted with the support seat (5) and a second elastic arm (603) arranged obliquely, the locking end (601) is formed by bending the first elastic arm (602), and the end of the second elastic arm (603) is clamped in the clamping groove (505).

5. The telescopic rod according to any one of claims 1 to 4, characterized in that: Except for the last stage rod assembly, the inner sides of the rod ends of the remaining stages rod assemblies are all provided with sheaths (9).

6. The telescopic rod according to any one of claims 1 to 4, characterized in that: A friction structure is also provided between the support seat (5) and the rod body.

7. The telescopic rod according to claim 6, characterized in that: The friction structure comprises a first friction plate (7) and a second friction plate (8) which are detachably connected.

8. The telescopic rod according to any one of claims 1 to 4, characterized in that: The multi-stage rod assembly includes a first-stage rod assembly, a second-stage rod assembly, a third-stage rod assembly, and a fourth-stage rod assembly, wherein the fourth-stage rod assembly constitutes the last-stage rod assembly.

9. The telescopic rod according to any one of claims 1 to 4, characterized in that: The locking hole is arranged at the end of the rod body, and the locking assembly is arranged at the head end of the rod body.

10. A device with a telescopic rod, characterized in that: The telescopic rod comprises the telescopic rod according to any one of claims 1 to 9.

11. The device with a telescopic rod according to claim 10, characterized in that The device with the telescopic rod is a clothes dryer.

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