Powerful supporting rod

Abstract

The utility model discloses a powerful supporting rod which comprises an outer rod, a first supporting leg is installed at one end of the outer rod, and a middle sleeve is installed at the other end of the outer rod. One end of the inner rod penetrates through the middle sleeve and then is arranged in the outer rod in a telescopic mode, an inner locking fastener is installed at the end, stretching into the outer rod, of the inner rod, and a second supporting leg is installed at the other end of the inner rod through a thread fine adjustment mechanism. The internal locking fastener is simple in structure and convenient to operate, and the internal locking fastener is used for replacing a traditional spring structure, so that the risks of weakening of supporting force and falling of articles caused by attenuation of spring strength are avoided; by arranging the middle sleeve, the connection stability is enhanced; and by arranging the thread fine adjustment mechanism, the product can be further firmly supported after normally stretching to the wall, it is guaranteed that the product does not slide down or fall off in the using process, and therefore accurate adjustment of the supporting rod is further achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of household items, in particular to a strong support rod. Background Art

[0002] In today's daily life, support rods, as a common supporting tool, play an indispensable role in many areas such as bathrooms and clothes drying.

[0003] In the design of existing support rods, in order to meet the telescopic effect of the support rods, most of them will set a spring structure at the connection between the inner rod and the outer rod. However, due to the working principle of the spring, the strength will decay after long-term use, resulting in a weakening of the supporting force of the support rod and an increased risk of falling objects. At the same time, the supporting strength of the existing support rods is relatively low and cannot meet people's load-bearing needs. Therefore, a strong support rod is urgently needed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a strong support rod.

[0005] The utility model discloses a strong support rod, comprising:

[0006] an outer rod, wherein a first supporting foot is mounted on one end of the outer rod and an intermediate sleeve is mounted on the other end of the outer rod;

[0007] An inner rod, one end of which passes through the middle sleeve and is telescopically placed in the outer rod, an inner locking fastener is installed at the end of the inner rod extending into the outer rod, and a second supporting foot is installed at the other end of the inner rod through a threaded fine-tuning mechanism.

[0008] As a further improvement of the present invention, the intermediate sleeve is cylindrical, one end of the intermediate sleeve is inserted into the outer rod, and the other end of the intermediate sleeve is provided with an annular boss for abutting against the end of the outer rod.

[0009] As a further improvement of the present invention, the material of the intermediate sleeve is PE material.

[0010] As a further improvement of the present invention, the inner locking fastener includes a lock core and a lock sleeve sleeved outside the lock core;

[0011] The lock core comprises a tapered threaded rod portion, the large end of the tapered threaded rod portion is provided with a straight cylindrical portion for inserting into the inner rod, and the small end of the tapered threaded rod portion is provided with a stopper portion to prevent the lock sleeve from falling out;

[0012] The locking sleeve is cylindrical, and a deformed through groove and at least one deformed non-through groove are provided on the outer circumference of the locking sleeve along its axial direction, and a tapered internal threaded through hole is provided inside the locking sleeve;

[0013] Rotating the lock core can change the outer diameter of the lock sleeve so that the lock sleeve fits closely with the inner wall of the outer rod.

[0014] As a further improvement of the present invention, the outer surface of the lock sleeve is further provided with a plurality of convex grooves parallel to the axial direction of the lock sleeve.

[0015] As a further improvement of the present invention, the material of the lock core is nylon, and the material of the lock sleeve is ABS.

[0016] As a further improvement of the present invention, the thread fine-tuning mechanism includes a lower thread fine-tuning rod and a fine-tuning sleeve;

[0017] The upper portion of the lower thread fine-tuning rod is a straight tube portion inserted into the inner rod, and the lower portion of the lower thread fine-tuning rod is an external thread portion;

[0018] The fine-tuning sleeve includes a guide portion and an insertion portion that are integrally connected. The outer diameter of the guide portion is larger than the outer diameter of the insertion portion. The lower end of the guide portion and the inside of the insertion portion are both provided with an internal thread that cooperates with the external thread; the insertion portion is used to insert the second supporting foot.

[0019] As a further improvement of the present invention, the first supporting leg and the second supporting leg each include a foot plate and an anti-slip foot pad;

[0020] The upper part of the foot plate is provided with an insertion hole for inserting the outer rod or the thread fine-adjusting mechanism, and the lower part of the foot plate is fixedly mounted with the anti-slip foot pad.

[0021] As a further improvement of the present invention, the material of the foot plate is ABS material, and the material of the anti-slip foot pad is TPR material.

[0022] As a further improvement of the present invention, the outer surfaces of the outer rod and the inner rod are both provided with a corrosion-resistant coating.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] The utility model has a simple structure and is easy to operate. By using an internal locking fastener to replace the traditional spring structure, the weakening of the supporting force and the risk of items falling due to the attenuation of the spring strength are avoided; the connection stability is enhanced by providing an intermediate sleeve; by providing a threaded fine-tuning mechanism, the product can be further firmly supported after it is normally extended to the wall, ensuring that it will not slide down or fall during use, thereby further realizing the precise adjustment of the support rod.

[0025] The outer surfaces of the outer rod and the inner rod in the present invention are both provided with a corrosion-resistant coating, which can effectively avoid the problem of cracking and rusting of other surface materials during later use, thereby extending the service life of the support rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic structural diagram of a strong support rod disclosed in one embodiment of the utility model;

[0027] Figure 2 This is an exploded view of the structure of a strong support rod disclosed in one embodiment of the utility model;

[0028] Figure 3 This is a side sectional view of the structure of a strong support rod disclosed in one embodiment of the utility model;

[0029] Figure 4 This is a structural diagram of an intermediate sleeve of a strong support rod disclosed in an embodiment of the present utility model;

[0030] Figure 5 This is a schematic structural diagram of an inner locking fastener of a strong support rod disclosed in one embodiment of the present utility model;

[0031] Figure 6 A side cross-sectional view of the structure of an inner locking fastener of a strong support rod disclosed in one embodiment of the utility model;

[0032] Figure 7 This is an exploded view of the structure of the inner locking fastener of the strong support rod disclosed in one embodiment of the utility model;

[0033] Figure 8 This is a structural diagram of a lock core with a strong support rod disclosed in an embodiment of the present utility model;

[0034] Figure 9 This is a structural diagram of a locking sleeve of a strong support rod disclosed in an embodiment of the present utility model;

[0035] Figure 10 This is a schematic structural diagram of a locking sleeve at another angle of a strong support rod disclosed in an embodiment of the present utility model;

[0036] Figure 11 This is an exploded view of the structure of the thread fine-adjustment mechanism of the strong support rod disclosed in one embodiment of the utility model;

[0037] Figure 12 This is a side sectional view of the structure of the thread fine-adjustment mechanism of the strong support rod disclosed in one embodiment of the utility model;

[0038] Figure 13 This is a structural explosion diagram of the first supporting leg or the second supporting leg of the strong supporting rod disclosed in one embodiment of the utility model.

[0039] In the picture:

[0040] 1. Outer rod; 2. Inner rod; 3. Intermediate sleeve; 31. Annular boss; 4. First supporting foot; 5. Second supporting foot; 51. Foot plate; 511. Socket; 52. Anti-slip foot pad; 6. Internal locking fastener; 61. Lock core; 611. Tapered threaded rod; 612. Straight tube; 613. Stopper; 62. Lock sleeve; 621. Deformed through-groove; 622. Deformed non-through-groove; 623. Tapered internal threaded through hole; 624. Raised pattern; 7. Thread fine-tuning mechanism; 71. Lower thread fine-tuning rod; 72. Fine-tuning sleeve. DETAILED DESCRIPTION

[0041] 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 drawings in the embodiments of the present invention. Obviously, the embodiments described 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 ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0042] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0043] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0044] The present invention is described in further detail below with reference to the accompanying drawings:

[0045] like Figure 1-3As shown, a strong support rod provided by the utility model includes an outer rod 1, an inner rod 2, an intermediate sleeve 3, a first supporting foot 4, a second supporting foot 5, an internal locking fastener 6 and a threaded fine-tuning mechanism 7, wherein one end of the outer rod 1 is installed with the first supporting foot 4, and the other end of the outer rod 1 is installed with the intermediate sleeve 3; one end of the inner rod 2 passes through the intermediate sleeve 3 and is telescopically placed in the outer rod 1, the end of the inner rod 2 extending into the interior of the outer rod 1 is installed with the internal locking fastener 6, and the other end of the inner rod 2 is installed with the second supporting foot 5 through the threaded fine-tuning mechanism 7.

[0046] In this embodiment, the structure is simple and the operation is convenient. By using the internal locking fastener 6 to replace the traditional spring structure, the weakening of the supporting force and the risk of the item falling due to the attenuation of the spring strength are avoided; the connection stability is enhanced by providing the intermediate sleeve 3; by providing the threaded fine-tuning mechanism 7, the product can be further firmly supported after it is normally extended to the wall to ensure that it will not slide down or fall during use, thereby further realizing the precise adjustment of the support rod.

[0047] Specifically:

[0048] like Figure 4 As shown, in the above embodiment, the intermediate sleeve 3 is preferably cylindrical. One end of the intermediate sleeve 3 is inserted into the outer rod 1 and tightly fits against the inner wall of the outer rod 1. The other end of the intermediate sleeve 3 is provided with an annular shoulder 31 for abutting against the end of the outer rod 1. In this embodiment, the intermediate sleeve 3 is made of PE. During actual use, it can support the inner rod 2 and ensure that the outer wall of the inner rod 2 and the inner wall of the outer rod 1 do not rub against each other and thus cause damage.

[0049] like Figure 5-7 As shown, in the above embodiment, preferably, the inner locking fastener 6 includes a lock core 61 and a lock sleeve 62 sleeved on the outside of the lock core 61. In this embodiment, the material of the lock core 61 is nylon, and the material of the lock sleeve 62 is ABS.

[0050] like Figure 8 As shown, in the above embodiment, preferably, the lock core 61 includes a tapered threaded rod portion 611, and the large end of the tapered threaded rod portion 611 is provided with a straight cylindrical portion 612 for insertion into the inner rod 2. The outer diameter of the straight cylindrical portion 612 is smaller than the outer diameter of the large end of the tapered threaded rod portion 611, and the outer diameter of the straight cylindrical portion 612 is adapted to the inner diameter of the inner rod 2, so that the lock core 61 can be stably inserted into the inner rod 2 through the straight cylindrical portion 612. The small end of the tapered threaded rod portion 611 is provided with a stopper portion 613 to prevent the lock sleeve 62 from escaping. In this embodiment, the stopper portion 613 is truncated cone-shaped and is fixedly mounted on the small end of the tapered threaded rod portion 611. In this embodiment, the tapered threaded rod portion 611, the straight cylindrical portion 612, and the stopper portion 613 are integrally connected.

[0051] like Figure 9-10As shown, in the above embodiment, preferably, the locking sleeve 62 is cylindrical, and a deformable through groove 621 and at least one deformable non-through groove 622 are provided on the outer circumference of the locking sleeve 62 along its axial direction. A tapered internally threaded through hole 623 is provided inside the locking sleeve 62. In this embodiment, a deformable through groove 621 and two deformable non-through grooves 622 are provided on the outer circumference of the locking sleeve 62 along its axial direction. The two deformable non-through grooves 622 extend along the axial direction from one end of the locking sleeve 62 to the other end, and the extension length is less than the axial length of the locking sleeve 62. The deformable through groove 621 extends along the axial direction from one end of the locking sleeve 62 to the other end and penetrates through the locking sleeve 62. Through a deformable through groove 621 and two deformable non-through grooves 622, the lock sleeve 62 is formed into three arc-shaped locking pieces, and the lock sleeve 62 can expand outward and deform when squeezed internally. That is, the lock core 61 in this embodiment cooperates with the lock sleeve 62 to achieve a stable connection between the inner rod 2 and the outer rod 2 by tightening the knob.

[0052] In actual use, the lock sleeve 62 is nested on the tapered threaded rod 611 of the lock core 61, and the straight cylindrical portion 612 of the lock core 61 is stably inserted into the inner rod 2. Then, the inner rod 2 with the inner locking fastener 6 is passed through the intermediate sleeve 3 and placed inside the outer rod 1. When the length is adjusted to the desired position, the inner rod 2 is rotated, thereby driving the tapered threaded rod 611 of the lock core 61 at its end to rotate, causing the tapered threaded rod 611 to move upward and push the lock sleeve 62 outward, so that the lock sleeve 62 fits against the inner wall of the outer rod 1, thereby completing the position fixation of the inner rod 1 and the outer rod 2.

[0053] In the above embodiment, preferably, in order to increase the tightness between the locking sleeve 62 and the inner wall of the outer rod 1 , the outer surface of the locking sleeve 62 is further provided with a plurality of convex grooves 624 parallel to the axial direction of the locking sleeve 62 .

[0054] like Figure 11-12 As shown, in the above embodiment, preferably, the thread fine-tuning mechanism 7 includes a lower thread fine-tuning rod 71 and a fine-tuning sleeve 72; wherein, the upper part of the lower thread fine-tuning rod 71 is a straight tube part inserted into the inner rod 2, and the lower part of the lower thread fine-tuning rod 71 is an external thread part, and the outer diameter of the straight tube part is adapted to the inner diameter of the inner rod 2, so that the lower thread fine-tuning rod 71 can be firmly installed in the inner rod 2 through the straight tube part.

[0055] In the above embodiment, the fine-tuning sleeve 72 preferably includes an integrally connected guide portion and an insertion portion. The outer diameter of the guide portion is larger than that of the insertion portion. Both the lower end of the guide portion and the interior of the insertion portion are provided with internal threads that mate with the external threads. To prevent the lower threaded fine-tuning rod 71 inserted into the fine-tuning sleeve 72 from slipping out of the end of the insertion portion, an annular baffle is provided at the end of the insertion portion in this embodiment, horizontally toward its center. During actual connection, the insertion portion of the fine-tuning sleeve 72 is used to insert into the second support leg 5.

[0056] like Figure 13 As shown, in the above embodiment, preferably, both the first supporting leg 4 and the second supporting leg 5 include a foot plate 51 and a non-slip pad 52. Specifically, the upper portion of the foot plate 51 is provided with a socket 511 for inserting the outer rod 1 or the threaded fine-adjustment mechanism 7, and the lower portion of the foot plate 51 is fixedly mounted with the non-slip pad 52. In this embodiment, the foot plate 51 is made of ABS and can be thickened to increase its strength by 30% during use. The non-slip pad 52 is made of TPR, which can improve the friction of the non-slip pad 52 and significantly increase its service life.

[0057] In the above embodiment, preferably, the cross-sections of the foot plate 51 and the anti-slip foot pad 52 are both rectangular. During actual connection, the anti-slip foot pad 52 can be stably connected to the foot plate 51 by snapping or gluing.

[0058] In the above embodiment, preferably, the outer surfaces of the outer rod 1 and the inner rod 2 are provided with a corrosion-resistant coating. In this embodiment, by providing a corrosion-resistant coating, the problem of cracking and rusting of other surface materials during later use can be effectively avoided, thereby extending the service life of the support rod.

[0059] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A strong support rod, characterized in that: include: An outer rod (1), wherein a first supporting foot (4) is mounted on one end of the outer rod (1), and an intermediate sleeve (3) is mounted on the other end of the outer rod (1); An inner rod (2), one end of the inner rod (2) passing through the intermediate sleeve (3) and being telescopically placed in the outer rod (1), an inner locking fastener (6) being installed at the end of the inner rod (2) extending into the interior of the outer rod (1), and a second supporting foot (5) being installed at the other end of the inner rod (2) via a threaded fine-tuning mechanism (7); The intermediate sleeve (3) is cylindrical, one end of the intermediate sleeve (3) is inserted into the outer rod (1), and the other end of the intermediate sleeve (3) is provided with an annular boss (31) for abutting against the end of the outer rod (1); The inner locking fastener (6) comprises a lock core (61) and a lock sleeve (62) sleeved on the outside of the lock core (61); The lock core (61) comprises a tapered threaded rod (611), the large end of the tapered threaded rod (611) is provided with a straight tube portion (612) for inserting into the inner rod (2), and the small end of the tapered threaded rod (611) is provided with a stopper portion (613) for preventing the lock sleeve (62) from falling out. The locking sleeve (62) is cylindrical, and a deformed through groove (621) and at least one deformed non-through groove (622) are provided on the outer circumference of the locking sleeve (62) along its axial direction. A tapered internal threaded through hole (623) is provided inside the locking sleeve (62); Rotating the lock core (61) can change the outer diameter of the lock sleeve (62), so that the lock sleeve (62) fits the inner wall of the outer rod (1); The thread fine-tuning mechanism (7) comprises a lower thread fine-tuning rod (71) and a fine-tuning sleeve (72); The upper portion of the lower thread fine-tuning rod (71) is a straight tube portion inserted into the inner rod (2), and the lower portion of the lower thread fine-tuning rod (71) is an external thread portion; The fine-tuning sleeve (72) comprises an integrally connected guide portion and an inserting portion, wherein the outer diameter of the guide portion is larger than the outer diameter of the inserting portion, and the lower end of the guide portion and the inside of the inserting portion are both provided with an internal thread that matches the external thread; the inserting portion is used to insert the second supporting leg (5).

2. The strong support rod according to claim 1, characterized in that: The material of the intermediate sleeve (3) is PE material.

3. The strong support rod according to claim 1, characterized in that: The outer surface of the locking sleeve (62) is further provided with a plurality of convex grooves (624) parallel to the axial direction of the locking sleeve (62).

4. The strong support rod according to claim 1, characterized in that: The material of the lock core (61) is nylon, and the material of the lock sleeve (62) is ABS.

5. The strong support rod according to claim 1, characterized in that: The first supporting foot (4) and the second supporting foot (5) both comprise a foot plate (51) and an anti-slip foot pad (52); The upper portion of the foot plate (51) is provided with a socket (511) for inserting the outer rod (1) or the thread fine-adjusting mechanism (7), and the lower portion of the foot plate (51) is fixedly mounted with the anti-slip foot pad (52).

6. The strong support rod according to claim 5, characterized in that: The material of the foot plate (51) is ABS material, and the material of the anti-slip foot pad (52) is TPR material.

7. The strong support rod according to claim 1, characterized in that: The outer surfaces of the outer rod (1) and the inner rod (2) are both provided with a corrosion-resistant coating.

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