Connecting rod piece

Abstract

The utility model provides a connecting rod piece which comprises a first hollow connecting rod unit, a second hollow connecting rod unit and a second connecting rod unit, and the side wall of the first connecting rod unit is provided with a first mounting groove; the connecting device is provided with a first end and a second end; a second mounting groove is formed in the side wall of the second connecting rod unit; the first end of the connecting device is detachably connected with the first connecting rod unit, the second end of the connecting device is detachably connected with the second connecting rod unit, the first mounting groove and the second mounting groove are sequentially communicated to form a mounting channel, and the mounting channel is used for mounting a curtain; the first locking piece is used for detachably locking the first end of the connecting device to the first connecting rod unit; the second end of the connecting device is detachably locked to the second connecting rod unit through the second locking piece, so that when the connecting rod piece needs to be installed, the first connecting rod unit and the second connecting rod unit can be combined into a whole through the connecting device.

Description

Technical Field

[0001] The utility model relates to the field of curtains, in particular to a connecting rod. Background Art

[0002] The curtains and connecting rods of curtains currently available on the market are all integrally formed, which results in the connecting rods being long, inconvenient to transport and install, and the transportation and installation costs are both high, causing great trouble. Therefore, there is an urgent need to provide a connecting rod that is easy to install and transport in the market to improve the user experience. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a connecting rod, comprising:

[0004] A hollow first connecting rod unit, wherein a side wall of the first connecting rod unit is provided with a first mounting groove;

[0005] A connecting device having a first end and a second end;

[0006] A hollow second connecting rod unit, a side wall of which is provided with a second mounting groove; a first end of the connecting device is detachably connected to the first connecting rod unit, a second end of the connecting device is detachably connected to the second connecting rod unit, and the first mounting groove and the second mounting groove are sequentially connected to form a mounting channel, and the mounting channel is used for curtain installation;

[0007] a first locking member, the first locking member detachably locking the first end of the connecting device to the first connecting rod unit;

[0008] A second locking member is used to detachably lock the second end of the connecting device to the second connecting rod unit.

[0009] As an improvement of the present utility model, the first connecting rod unit has a first mounting opening, the second connecting rod unit has a second mounting opening, the first end of the connecting device is inserted into the first mounting opening, and the second end of the connecting device is inserted into the second mounting opening, so that the connecting device combines the first connecting rod unit and the second connecting rod unit into a whole.

[0010] As an improvement of the present utility model, the first end of the connecting device is provided with a first mounting hole, the second end of the connecting device is provided with a second mounting hole, the first connecting rod unit is provided with a third mounting hole, and the second connecting rod unit is provided with a fourth mounting hole. When the first end of the connecting device is inserted into the first connecting rod unit through the first mounting opening, and the second end of the connecting device is inserted into the second connecting rod unit through the second mounting opening, the first locking piece passes through the third mounting hole and the first mounting hole in sequence to lock the first end of the connecting device to the first connecting rod unit, and the second locking piece passes through the fourth mounting hole and the second mounting hole in sequence to lock the second end of the connecting device to the second connecting rod unit.

[0011] As an improvement of the present utility model, the first mounting hole has a first internal thread, the second mounting hole has a second internal thread, one end of the first locking piece has a first external thread, one end of the second locking piece has a second external thread, the other end of the first locking piece has a first nut, and the other end of the second locking piece has a second nut. When the first end of the connecting device is inserted into the first connecting rod unit through the first mounting opening, and the second end of the connecting device is inserted into the second connecting rod unit through the second mounting opening, the first external thread of the first locking piece passes through the third mounting hole and the first mounting hole in sequence and is connected to the first internal thread, the first nut is located in the third mounting hole, and the first nut can be pressed against the inner wall of the third mounting hole to lock the first end stop of the connecting device in the first connecting rod unit, the second external thread of the second locking piece passes through the fourth mounting hole and the second mounting hole in sequence and is connected to the second internal thread, the second nut is located in the fourth mounting hole, and the second nut can be pressed against the inner wall of the fourth mounting hole to lock the second end stop of the connecting device in the second connecting rod unit.

[0012] As an improvement of the present utility model, the first nut is provided with a first inner hexagon mounting hole, and the second nut is provided with a second inner hexagon mounting hole.

[0013] As an improvement of the present invention, the connecting device includes an upper half and a lower half, the first mounting hole and the second mounting hole are both arranged in the upper half, when the first external thread of the first locking member passes through the third mounting hole and the first mounting hole in sequence and is connected to the first internal thread, one end of the first locking member presses the lower half to the inner wall of the first connecting rod unit; when the second external thread of the second locking member passes through the fourth mounting hole and the second mounting hole in sequence and is connected to the second internal thread, one end of the second locking member presses the lower half to the inner wall of the second connecting rod unit.

[0014] As an improvement of the present utility model, the connecting rod also includes a third locking member, one end of the third locking member has a third external thread, the other end of the third locking member is provided with a third nut, the upper part also has a fifth mounting hole, the fifth mounting hole is located between the first mounting hole and the second mounting hole, a third internal thread is provided in the fifth mounting hole, the third external thread is connected to the third internal thread, and one end of the third locking member is pressed against the lower part.

[0015] As an improvement of the present invention, the first connecting rod unit has a first inner surface and a first outer surface, the first outer surface is recessed toward the direction of the first inner surface to form the first mounting groove on its first outer surface, and a first guide protrusion opposite to the first mounting groove is formed on its first inner surface; the second connecting rod unit has a second inner surface and a second outer surface, the second outer surface is recessed toward the direction of the second inner surface to form the second mounting groove on its second outer surface, and a second guide protrusion opposite to the second mounting groove is formed on its second inner surface, the connecting device is provided with a first guide groove, the first guide groove is connected to the first guide protrusion and the second guide protrusion, and the first mounting groove, the first guide groove and the second mounting groove are connected in sequence to form the mounting channel, and the mounting channel is used for curtain installation.

[0016] As an improvement of the present invention, a stop protrusion is further provided on the side wall of the connecting device, and the stop protrusion is located between the first end and the second end, one side of the stop protrusion stops at the first mounting opening, and the other side of the stop protrusion stops at the second mounting opening.

[0017] As an improvement of the present invention, the first mounting groove extends from one end of the first connecting rod unit to the other end of the first connecting rod unit, the second mounting groove extends from one end of the second connecting rod unit to the other end of the second connecting rod unit, and the first guide groove extends from the first end of the connecting device to the second end of the connecting device.

[0018] As an improvement of the present utility model, a first positioning protrusion and a second positioning protrusion are convexly provided on the first inner surface, and the first positioning protrusion and the second positioning protrusion are respectively located on the left and right sides of the first inner surface, a first positioning groove is formed between the first positioning protrusion and the second positioning protrusion and the upper side of the first inner surface, and a second positioning groove is formed between the first positioning protrusion and the second positioning protrusion and the lower side of the first inner surface, one end of the upper half is inserted into the first positioning groove, and one end of the lower half is inserted into the second positioning groove; a third positioning protrusion and a fourth positioning protrusion are convexly provided on the second inner surface, and the third positioning protrusion and the fourth positioning protrusion are respectively located on the left and right sides of the second inner surface, a third positioning groove is formed between the third positioning protrusion and the fourth positioning protrusion and the upper side of the second inner surface, and a fourth positioning groove is formed between the third positioning protrusion and the fourth positioning protrusion and the lower side of the second inner surface, the other end of the upper half is inserted into the third positioning groove, and the other end of the lower half is inserted into the fourth positioning groove.

[0019] As an improvement of the present utility model, a fifth positioning protrusion is further provided on the upper side of the first inner surface, and a sixth positioning protrusion is further provided on the upper side of the second inner surface. When one end of the upper half is inserted into the first positioning groove, the bottom of the upper half abuts against the first positioning protrusion and the second positioning protrusion, and the top of the upper half abuts against the fifth positioning protrusion; when the other end of the upper half is inserted into the third positioning groove, the bottom of the upper half abuts against the third positioning protrusion and the fourth positioning protrusion, and the top of the upper half abuts against the sixth positioning protrusion.

[0020] As an improvement of the present invention, the upper part has a first upper surface and a first lower surface, the first upper surface and the first lower surface are both flat surfaces, the fifth positioning protrusion and the sixth positioning protrusion both abut against the first upper surface, and one side of the first positioning protrusion, the second positioning protrusion, the third positioning protrusion and the fourth positioning protrusion all abut against the first lower surface.

[0021] As an improvement of the present invention, the lower half has a second upper surface and a second lower surface, the second upper surface is a flat surface, the second lower surface is an arc-shaped surface, the first positioning protrusion, the second positioning protrusion, the third positioning protrusion and the other side of the fourth positioning protrusion all abut against the second upper surface, and the first guide groove is arranged on the first lower surface.

[0022] As an improvement of the present invention, it also includes a curtain, wherein the end of the first mounting groove and / or the second mounting groove is provided with a first insertion port, the curtain has a shading portion and a mounting strip, and the shading portion is connected to the mounting strip; the mounting strip passes through the first mounting groove, the first guide groove and the second mounting groove in sequence through the first insertion port and is placed in the mounting channel, and a first avoidance slot is provided along the axial direction of the first mounting groove, the first guide groove and the second mounting groove, and the first avoidance slot is used to avoid the shading portion.

[0023] As an improvement of the present utility model, the upper side of the shading portion is bent and connected to the shading portion to form a receiving cavity, and the mounting strip is arranged in the receiving cavity.

[0024] As an improvement of the present utility model, the shading portion is a flexible shading portion, and the mounting strip is a flexible mounting strip.

[0025] As an improvement of the present invention, the cross-sections of the first mounting groove, the second mounting groove and the first guide groove are circular.

[0026] As an improvement of the present utility model, the connecting device is a plastic connecting device or a metal connecting device.

[0027] As an improvement of the present utility model, the first connecting rod unit is a first metal connecting rod unit, and the second connecting rod unit is a second metal connecting rod unit.

[0028] The beneficial effects of the utility model are as follows: the utility model provides a connecting rod, which comprises: a hollow first connecting rod unit, a side wall of the first connecting rod unit is provided with a first installation groove; a connecting device, the connecting device has a first end and a second end; a hollow second connecting rod unit, the side wall of the second connecting rod unit is provided with a second installation groove; the first end of the connecting device is detachably connected to the first connecting rod unit, the second end of the connecting device is detachably connected to the second connecting rod unit, and the first installation groove and the second installation groove are sequentially connected to form an installation channel, and the installation channel is used for curtain installation; a first locking member, the first locking member detachably locks the first end of the connecting device to the first connecting rod unit; a second locking member, the second locking member detachably locks the second end of the connecting device to the second connecting rod unit, so that when the connecting rod needs to be installed, the first connecting rod unit and the second connecting rod unit can be combined into one by the connecting device, and then the curtain is installed in the first installation groove to achieve the installation of the curtain and the connecting rod. When the connecting rod needs to be transported or stored, the curtain can be detached from the first installation groove, and the first connecting rod unit can be detached from the second connecting rod unit, thereby shortening the length of the connecting rod and reducing the packaging and logistics costs of the connecting rod during transportation, which greatly reduces the transportation cost of the connecting rod; and, since the first connecting device connects the first connecting rod unit and the second connecting rod unit, it is not only easy to install and disassemble, but also has a high connection strength. Furthermore, since the first locking member detachably locks the first end of the connecting device to the first connecting rod unit; the second locking member detachably locks the second end of the connecting device to the second connecting rod unit, the stability of the connection between the first connecting rod unit and the second connecting rod unit can be further enhanced to prevent the first connecting rod unit and the second connecting rod unit from being loosened from the connecting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0031] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0032] Figure 2 It is an exploded view of the utility model;

[0033] Figure 3 yes Figure 2 A magnified image of point A;

[0034] Figure 4 yes Figure 2 Enlarged view of point B

[0035] Figure 5 is a cross-sectional view cut along the first connecting rod unit, the second connecting rod unit and the connecting device;

[0036] Figure 6 yes Figure 5 Enlarged view of point C;

[0037] Figure 7 is a cross-sectional view cut along the first locking member, the first connecting rod unit and the connecting device;

[0038] Figure 8 is a cross-sectional view cut along the second locking member, the second connecting rod unit and the connecting device;

[0039] Fig. 9 is a cross-sectional view cut along the third locking member and the connecting device; DETAILED DESCRIPTION

[0040] Reference Figures 1 to 9 , a connecting rod, comprising:

[0041] A hollow first connecting rod unit 1, a side wall of the first connecting rod unit 1 is provided with a first mounting groove 11;

[0042] A connecting device 2, the connecting device 2 having a first end 21 and a second end 22;

[0043] A hollow second connecting rod unit 3, a side wall of which is provided with a second mounting groove 31; a first end 21 of the connecting device 2 is detachably connected to the first connecting rod unit 1, a second end 22 of the connecting device 2 is detachably connected to the second connecting rod unit 3, and the first mounting groove 11 and the second mounting groove 31 are sequentially connected to form a mounting channel 4, and the mounting channel 4 is used for the installation of the curtain 8;

[0044] A first locking member 5, the first locking member 5 detachably locks the first end 21 of the connecting device 2 to the first connecting rod unit 1;

[0045] The second locking member 6 detachably locks the second end 22 of the connecting device 2 to the second connecting rod unit 3 .

[0046] Through the above structure, since it includes: a hollow first connecting rod unit 1, the side wall of the first connecting rod unit 1 is provided with a first installation groove 11; a connecting device 2, the connecting device 2 has a first end 21 and a second end 22; a hollow second connecting rod unit 3, the side wall of the second connecting rod unit 3 is provided with a second installation groove 31; the first end 21 of the connecting device 2 is detachably connected to the first connecting rod unit 1, the second end 22 of the connecting device 2 is detachably connected to the second connecting rod unit 3, and the first installation groove 11 is connected to the second installation groove 31 in sequence to form an installation groove. The installation channel 4 is used for the installation of the curtain 8; the first locking member 5, the first locking member 5 detachably locks the first end 21 of the connecting device 2 to the first connecting rod unit 1; the second locking member 6, the second locking member 6 detachably locks the second end 22 of the connecting device 2 to the second connecting rod unit 3, so that when the connecting rod needs to be installed, the first connecting rod unit 1 and the second connecting rod unit 3 can be combined into one by the connecting device 2, and then the curtain 8 is installed in the first installation groove 11 to achieve the installation of the curtain 8 and the connecting rod. When the connecting rod needs to be transported or stored, the curtain 8 can be detached from the first installation groove 11, and the first connecting rod unit 1 can be detached from the second connecting rod unit 3, shortening the length of the connecting rod to reduce the packaging cost and logistics cost of the connecting rod during transportation, greatly reducing the transportation cost of the connecting rod; and because the first connecting device 2 connects the first connecting rod unit 1 and the second connecting rod unit 3, it is not only easy to install and disassemble, but also has a high connection strength. Furthermore, since the first locking member 5 removably locks the first end 21 of the connecting device 2 to the first connecting rod unit 1; and the second locking member 6 removably locks the second end 22 of the connecting device 2 to the second connecting rod unit 3, the stability of the connection between the first connecting rod unit 1 and the second connecting rod unit 3 can be further enhanced, preventing the first connecting rod unit 1 and the second connecting rod unit 3 from loosening from the connecting device 2.

[0047] In this embodiment, the first connecting rod unit 1 has a first installation opening 12, the second connecting rod unit 3 has a second installation opening 32, the first end 21 of the connecting device 2 is inserted into the first installation opening 12, and the second end 22 of the connecting device 2 is inserted into the second installation opening 32, so that the connecting device 2 combines the first connecting rod unit 1 and the second connecting rod unit 3 into a whole. Through the above structure, the design is reasonable, the structure is simple, the connection is stable, and the detachable connection between the first connecting rod unit 1 and the second connecting rod unit 3 and the connecting device 2 is effectively realized, which is convenient for users to install and disassemble the connecting rods.

[0048] In this embodiment, the first end 21 of the connecting device 2 is provided with a first mounting hole 211, the second end 22 of the connecting device 2 is provided with a second mounting hole 221, the first connecting rod unit 1 is provided with a third mounting hole 13, and the second connecting rod unit 3 is provided with a fourth mounting hole 33. When the first end 21 of the connecting device 2 is inserted into the first connecting rod unit 1 through the first mounting opening 12, and the second end 22 of the connecting device 2 is inserted into the second connecting rod unit 3 through the second mounting opening 32, the first locking member 5 passes through the third mounting hole 13 and the first mounting hole 211 in sequence to lock the first end 21 of the connecting device 2 to the first connecting rod unit 1, and the second locking member 6 passes through the fourth mounting hole 33 and the second mounting hole 221 in sequence to lock the second end 22 of the connecting device 2 to the second connecting rod unit 3. The first mounting hole 211 has a first internal thread 212, the second mounting hole 221 has a second internal thread 222, one end of the first locking member 5 has a first external thread 51, one end of the second locking member 6 has a second external thread 61, the other end of the first locking member 5 has a first nut 52, and the other end of the second locking member 6 has a second nut 62. When the first end 21 of the connecting device 2 is inserted into the first connecting rod unit 1 through the first mounting opening 12, and the second end 22 of the connecting device 2 is inserted into the second connecting rod unit 3 through the second mounting opening 32, the first external thread 51 of the first locking member 5 passes through the third mounting opening 32 in sequence. The first mounting hole 13 and the first mounting hole 211 are connected to the first internal thread 212, the first nut 52 is located in the third mounting hole 13, and the first nut 52 can abut against the inner wall of the third mounting hole 13, and the first end 21 of the connecting device 2 is stopped and locked in the first connecting rod unit 1, the second external thread 61 of the second locking member 6 passes through the fourth mounting hole 33 and the second mounting hole 221 in sequence and is connected to the second internal thread 222, the second nut 62 is located in the fourth mounting hole 33, and the second nut 62 can abut against the inner wall of the fourth mounting hole 33, and the second end 22 of the connecting device 2 is stopped and locked in the second connecting rod unit 3. Specifically, the first nut 52 is provided with a first inner hexagon mounting hole 521, and the second nut 62 is provided with a second inner hexagon mounting hole 621. Through the above structure, the first external thread 51 of the first locking member 5 can be passed through the third mounting hole 13 and the first mounting hole 211 in sequence and connected to the first internal thread 212. The first nut 52 is located in the third mounting hole 13, and the first nut 52 can be against the inner wall of the third mounting hole 13, so that the first end 21 of the connecting device 2 is stopped and locked in the first connecting rod unit 1 to prevent the first end 21 of the connecting device 2 from escaping from the first connecting rod unit 1, thereby realizing the locking between the connecting device 2 and the first connecting rod unit 1, so that the first connecting rod unit 1 and the connecting device 2 are combined to form a whole.Furthermore, the second external thread 61 of the second locking member 6 can be passed through the fourth mounting hole 33 and the second mounting hole 221 in sequence and connected to the second internal thread 222, the second nut 62 is located in the fourth mounting hole 33, and the second nut 62 can abut against the inner wall of the fourth mounting hole 33, so that the second end 22 of the connecting device 2 is stopped and locked in the second connecting rod unit 3 to prevent the first end 21 of the connecting device 2 from escaping from the second connecting rod unit 3, thereby achieving locking between the connecting device 2 and the second connecting rod unit 3, so that the first connecting rod unit 1, the connecting device 2 and the second connecting rod unit 3 are combined to form a whole.

[0049] In this embodiment, the connecting device 2 includes an upper part 23 and a lower part 24, and the first mounting hole 211 and the second mounting hole 221 are both arranged in the upper part 23. When the first external thread 51 of the first locking member 5 passes through the third mounting hole 13 and the first mounting hole 211 in sequence and is connected to the first internal thread 212, one end of the first locking member 5 presses the lower part 24 to the inner wall of the first connecting rod unit 1; when the second external thread 61 of the second locking member 6 passes through the fourth mounting hole 33 and the second mounting hole 221 in sequence and is connected to the second internal thread 222, one end of the second locking member 6 presses the lower part 24 to the inner wall of the second connecting rod unit 3. The connecting rod also includes a third locking member 7, one end of which has a third external thread 71, and the other end of which is provided with a third nut 72. The upper part 23 also has a fifth mounting hole 231, which is located between the first mounting hole 211 and the second mounting hole 221. The fifth mounting hole 231 is provided with a third internal thread 232, and the third external thread 71 is connected to the third internal thread 232. One end of the third locking member 7 is pressed against the lower part 24. Through the above structure, since one end of the first locking member 5 presses the lower part 24 against the inner wall of the first connecting rod unit 1, and one end of the second locking member 6 presses the lower part 24 against the inner wall of the second connecting rod unit 3, the lower part 24 can be tightly connected with the first connecting rod unit 1 and the second connecting rod unit 3, which can not only prevent the lower part 24 from being loosened from the first connecting rod unit 1 and the second connecting rod unit 3, but also effectively prevent the lower part from shaking. Furthermore, by pressing the lower part 24 against the first connecting rod unit 1 and the second connecting rod unit 3 by the first locking member 5 and the second locking member 6, there is no need to set a threaded hole in the lower part 24, and the length of the first locking member 5 can also be reduced, thereby reducing production costs and making it easier for users to install and disassemble the connecting rods.

[0050] In this embodiment, the first connecting rod unit 1 has a first inner surface 14 and a first outer surface 15, and the first outer surface 15 is recessed toward the first inner surface 14 to form a first mounting groove 11 on the first outer surface 15, and a first guide protrusion 141 opposite to the first mounting groove 11 is formed on the first inner surface 14; the second connecting rod unit 3 has a second inner surface 34 and a second outer surface 35, and the second outer surface 35 is recessed toward the second inner surface 34 to form a second mounting groove 31 on the second outer surface 35, and a second guide protrusion 341 opposite to the second mounting groove 31 is formed on the second inner surface 34, and a first guide groove 25 is provided on the connecting device 2, and the first guide groove 25 is connected to the first guide protrusion 141 and the second guide protrusion 341, and the first mounting groove 11, the first guide groove 25 and the second mounting groove 31 are connected in sequence to form an installation channel 4, and the installation channel 4 is used for the installation of the curtain 8. Through the above structure, since the first guide groove 25 is connected to the first guide protrusion 141 and the second guide protrusion 341, it is convenient for the user to accurately connect the connecting device 2 with the first connecting rod unit 1 and the second connecting rod unit 3, thereby improving the installation efficiency of the connecting rods.

[0051] In this embodiment, a stop protrusion 26 is further provided on the side wall of the connecting device 2, and the stop protrusion is located between the first end and the second end, and one side of the stop protrusion 26 stops at the first installation opening 12, and the other side of the stop protrusion 26 stops at the second installation opening 32. Through the above structure, the precise connection between the connecting device 2 and the first connecting rod unit 1 and the second connecting rod unit 3 is effectively achieved, and the connecting device 2 is prevented from being excessively inserted into the first installation opening or the second installation opening 32.

[0052] In this embodiment, the first mounting groove 11 extends from one end of the first connecting rod unit 1 to the other end of the first connecting rod unit 1, and the second mounting groove 31 extends from one end of the second connecting rod unit 3 to the other end of the second connecting rod unit 3. The first guide groove 25 extends from the first end 21 of the connecting device 2 to the second end 22 of the connecting device 2. Among them, the first inner surface 14 is provided with a first positioning protrusion 142 and a second positioning protrusion 143, and the first positioning protrusion 142 and the second positioning protrusion 143 are respectively located on the left and right sides of the first inner surface 14, and a first positioning groove 144 is formed between the first positioning protrusion 142 and the second positioning protrusion 143 and the upper side of the first inner surface 14, and a second positioning groove 145 is formed between the first positioning protrusion 142 and the second positioning protrusion 143 and the lower side of the first inner surface 14, and one end of the upper part 23 is inserted into the first positioning groove 144, and one end of the lower part 24 is inserted into the second positioning groove 145. ; A third positioning protrusion 342 and a fourth positioning protrusion 343 are protruded from the second inner surface 34, and the third positioning protrusion 342 and the fourth positioning protrusion 343 are respectively located on the left and right sides of the second inner surface 34, and a third positioning groove 344 is formed between the third positioning protrusion 342 and the fourth positioning protrusion 343 and the upper side of the second inner surface 34, and a fourth positioning groove 345 is formed between the third positioning protrusion 342 and the fourth positioning protrusion 343 and the lower side of the second inner surface 34, and the other end of the upper part 23 is inserted into the third positioning groove 344, and the other end of the lower part 24 is inserted into the fourth positioning groove 345. Specifically, a fifth positioning protrusion 146 is also provided on the upper side of the first inner surface 14, and a sixth positioning protrusion 346 is also provided on the upper side of the second inner surface 34. When one end of the upper part 23 is inserted into the first positioning groove 144, the bottom of the upper part 23 abuts against the first positioning protrusion 142 and the second positioning protrusion 143, and the top of the upper part 23 abuts against the fifth positioning protrusion 146; when the other end of the upper part 23 is inserted into the third positioning groove 344, the bottom of the upper part 23 abuts against the third positioning protrusion 342 and the fourth positioning protrusion 343, and the top of the upper part 23 abuts against the sixth positioning protrusion 346. Furthermore, the upper part 23 has a first upper surface 233 and a first lower surface 234, both of which are flat surfaces, the fifth positioning protrusion 146 and the sixth positioning protrusion 346 both abut against the first upper surface 233, and one side of the first positioning protrusion 142, the second positioning protrusion 143, the third positioning protrusion 342 and the fourth positioning protrusion 343 all abut against the first lower surface 234.Furthermore, the lower part 24 has a second upper surface 241 and a second lower surface 242, the second upper surface 241 is a flat surface, the second lower surface 242 is an arc-shaped surface, the other sides of the first positioning protrusion 142, the second positioning protrusion 143, the third positioning protrusion 342 and the fourth positioning protrusion 343 are all against the second upper surface 241, and the first guide groove 25 is provided on the first lower surface 234. Through the above structure, due to the provision of the first positioning groove 144, the second positioning groove 145, the third positioning groove 344 and the fourth positioning groove 345, it is convenient for the user to accurately and quickly install the upper part 23 and the lower part 24 on the first connecting rod unit 1 and the second connecting rod unit 3, so that the upper part 23 and the lower part 24 combine the first connecting rod unit 1 and the second connecting rod unit 3 into a whole.

[0053] In this embodiment, a curtain 8 is also included. The ends of the first mounting groove 11 and / or the second mounting groove 31 are both provided with a first insertion port 311. The curtain 8 has a shading portion 81 and a mounting strip 82. The shading portion 81 is connected to the mounting strip 82. The mounting strip 82 is inserted into the mounting channel 4 through the first insertion port 311 and sequentially passes through the first mounting groove 11, the first guide groove 25 and the second mounting groove 31. A first avoidance slot 312 is provided along the axial direction of the first mounting groove 11, the first guide groove 25 and the second mounting groove 31. The first avoidance slot 312 is used to avoid the shading portion 81. The upper side of the shading portion 81 is bent and connected to the shading portion 81 to form a receiving cavity 811. The mounting strip 82 is arranged in the receiving cavity 811. Specifically, the shading portion 81 is a flexible shading portion 81, and the mounting strip 82 is a flexible mounting strip 82. Through the above structure, the installation strip 82 of the curtain 8 can be inserted into the first insertion port 311, and the first avoidance slot 312 can make the shading portion 81 slide in the third insertion port along with the installation strip 82 to complete the installation of the curtain 8. In addition, the shading portion 81 is a flexible shading portion 81, and the installation strip 82 is a flexible installation strip 82. When transportation and storage are required, the shading portion 81 and the installation strip 82 can be folded for storage and transportation, further reducing transportation costs. In addition, when shading is not needed, the flexible shading portion 81 can be rolled up, and when the shading portion 81 is needed, it can be unfolded for use. The operation is convenient and can meet the user's needs in different scenarios.

[0054] In this embodiment, the cross-sections of the first mounting groove 11, the second mounting groove 31 and the first guide groove 25 are circular. The connecting device 2 is a plastic connecting device 2 or a metal connecting device 2. Specifically, the first connecting rod unit 1 is a first metal connecting rod unit, and the second connecting rod unit 3 is a second metal connecting rod unit. Further, a third stop edge 3121 is provided at the first avoidance slot 312, and the third stop edge 3121 is used to stop the mounting strip 82 in the first mounting groove 11 and the second mounting groove 31 to prevent the mounting strip 82 from sliding out of the first mounting groove 11 and the second mounting groove 31 through the first avoidance slot 312.

[0055] The above are one or more implementation methods provided in combination with specific contents, and it is not intended that the specific implementation of the present utility model is limited to these descriptions. Any method, structure, etc. similar to or identical to the present utility model, or any technical deduction or replacement based on the concept of the present utility model, shall be deemed to be within the protection scope of the present utility model.

Claims

1. A connecting rod, characterized in that: include: A hollow first connecting rod unit (1), wherein a side wall of the first connecting rod unit (1) is provided with a first mounting groove (11); A connecting device (2), the connecting device (2) having a first end (21) and a second end (22); A hollow second connecting rod unit (3), the side wall of the second connecting rod unit (3) is provided with a second installation groove (31); the first end (21) of the connecting device (2) is detachably connected to the first connecting rod unit (1), the second end (22) of the connecting device (2) is detachably connected to the second connecting rod unit (3), and the first installation groove (11) and the second installation groove (31) are connected in sequence to form an installation channel (4), and the installation channel (4) is used for installing the curtain (8); A first locking member (5), the first locking member (5) detachably locking the first end (21) of the connecting device (2) to the first connecting rod unit (1); A second locking member (6), wherein the second locking member (6) detachably locks the second end (22) of the connecting device (2) to the second connecting rod unit (3).

2. A connecting rod according to claim 1, characterized in that: The first connecting rod unit (1) has a first mounting opening (12), and the second connecting rod unit (3) has a second mounting opening (32). The first end (21) of the connecting device (2) is inserted into the first mounting opening (12), and the second end (22) of the connecting device (2) is inserted into the second mounting opening (32), so that the connecting device (2) combines the first connecting rod unit (1) and the second connecting rod unit (3) into a whole.

3. A connecting rod according to claim 2, characterized in that: The first end (21) of the connecting device (2) is provided with a first mounting hole (211), the second end (22) of the connecting device (2) is provided with a second mounting hole (221), the first connecting rod unit (1) is provided with a third mounting hole (13), and the second connecting rod unit (3) is provided with a fourth mounting hole (33), when the first end (21) of the connecting device (2) is inserted into the first connecting rod unit (1) through the first mounting opening (12), and the second end (221) of the connecting device (2) is provided with a second mounting hole (221). ) is inserted into the second connecting rod unit (3) through the second mounting opening (32), the first locking member (5) passes through the third mounting hole (13) and the first mounting hole (211) in sequence to lock the first end (21) of the connecting device (2) to the first connecting rod unit (1), and the second locking member (6) passes through the fourth mounting hole (33) and the second mounting hole (221) in sequence to lock the second end (22) of the connecting device (2) to the second connecting rod unit (3).

4. A connecting rod according to claim 3, characterized in that: The first mounting hole (211) has a first internal thread (212), the second mounting hole (221) has a second internal thread (222), one end of the first locking member (5) has a first external thread (51), one end of the second locking member (6) has a second external thread (61), the other end of the first locking member (5) has a first nut (52), the other end of the second locking member (6) has a second nut (62), when the first end (21) of the connecting device (2) is inserted into the first connecting rod unit (1) through the first mounting opening (12), and the second end (22) of the connecting device (2) is inserted into the second connecting rod unit (3) through the second mounting opening (32), the first external thread (51) of the first locking member (5) passes through the third mounting hole (1 3) and the first mounting hole (211) and is connected to the first internal thread (212), the first nut (52) is located in the third mounting hole (13), and the first nut (52) can abut against the inner wall of the third mounting hole (13) to stop and lock the first end (21) of the connecting device (2) in the first connecting rod unit (1), the second external thread (61) of the second locking member (6) passes through the fourth mounting hole (33) and the second mounting hole (221) in sequence and is connected to the second internal thread (222), the second nut (62) is located in the fourth mounting hole (33), and the second nut (62) can abut against the inner wall of the fourth mounting hole (33) to stop and lock the second end (22) of the connecting device (2) in the second connecting rod unit (3).

5. A connecting rod according to claim 4, characterized in that: The connecting device (2) comprises an upper part (23) and a lower part (24), the first mounting hole (211) and the second mounting hole (221) are both arranged in the upper part (23), when the first external thread (51) of the first locking member (5) sequentially passes through the third mounting hole (13) and the first mounting hole (211) and is connected to the first internal thread (212), one end of the first locking member (5) presses the lower part (24) against the inner wall of the first connecting rod unit (1); when the second external thread (61) of the second locking member (6) sequentially passes through the fourth mounting hole (33) and the second mounting hole (221) and is connected to the second internal thread (222), one end of the second locking member (6) presses the lower part (24) against the inner wall of the second connecting rod unit (3).

6. A connecting rod according to claim 5, characterized in that: The connecting rod member also includes a third locking member (7), one end of the third locking member (7) has a third external thread (71), the other end of the third locking member (7) is provided with a third nut (72), the upper part (23) also has a fifth mounting hole (231), the fifth mounting hole (231) is located between the first mounting hole (211) and the second mounting hole (221), a third internal thread (232) is provided in the fifth mounting hole (231), the third external thread (71) is connected to the third internal thread (232), and one end of the third locking member (7) is pressed against the lower part (24); the first connecting rod unit (1) has a first inner surface (14) and a first outer surface (15), the first outer surface (15) is recessed in the direction of the first inner surface (14), so as to form the first mounting groove (11) on its first outer surface (15), and the first mounting groove (11) is formed on its first outer surface (15). An inner surface (14) is formed with a first guide protrusion (141) opposite to the first mounting groove (11); the second connecting rod unit (3) has a second inner surface (34) and a second outer surface (35), the second outer surface (35) is recessed in the direction of the second inner surface (34), so that the second mounting groove (31) is formed on its second outer surface (35), and a second guide protrusion (341) opposite to the second mounting groove (31) is formed on its second inner surface (34), the connecting device (2) is provided with a first guide groove (25), the first guide groove (25) is connected to the first guide protrusion (141) and the second guide protrusion (341), and the first mounting groove (11), the first guide groove (25) and the second mounting groove (31) are connected in sequence to form the mounting channel (4), and the mounting channel (4) is used for the installation of the curtain (8).

7. A connecting rod according to claim 2, characterized in that: A stop protrusion (26) is also provided on the side wall of the connecting device, and the stop protrusion is located between the first end and the second end, one side of the stop protrusion (26) stops at the first installation opening (12), and the other side of the stop protrusion (26) stops at the second installation opening (32).

8. A connecting rod according to claim 6, characterized in that: The first inner surface (14) is provided with a first positioning protrusion (142) and a second positioning protrusion (143), the first positioning protrusion (142) and the second positioning protrusion (143) are respectively located on the left and right sides of the first inner surface (14), a first positioning groove (144) is formed between the first positioning protrusion (142) and the second positioning protrusion (143) and the upper side of the first inner surface (14), a second positioning groove (145) is formed between the first positioning protrusion (142) and the second positioning protrusion (143) and the lower side of the first inner surface (14), one end of the upper part (23) is inserted into the first positioning groove (144), and one end of the lower part (24) is inserted into the second positioning groove (145); The second inner surface (34) is provided with a third positioning protrusion (342) and a fourth positioning protrusion (343), and the third positioning protrusion (342) and the fourth positioning protrusion (343) are respectively located on the left and right sides of the second inner surface (34), and a third positioning groove (344) is formed between the third positioning protrusion (342) and the fourth positioning protrusion (343) and the upper side of the second inner surface (34), and a fourth positioning groove (345) is formed between the third positioning protrusion (342) and the fourth positioning protrusion (343) and the lower side of the second inner surface (34), and the other end of the upper part (23) is inserted into the third positioning groove (344), and the other end of the lower part (24) is inserted into the fourth positioning groove (345).

9. A connecting rod according to claim 8, characterized in that: A fifth positioning protrusion (146) is also provided on the upper side of the first inner surface (14), and a sixth positioning protrusion (346) is also provided on the upper side of the second inner surface (34). When one end of the upper part (23) is inserted into the first positioning groove (144), the bottom of the upper part (23) abuts against the first positioning protrusion (142) and the second positioning protrusion (143), and the top of the upper part (23) abuts against the fifth positioning protrusion (146); when the other end of the upper part (23) is inserted into the third positioning groove (344), the bottom of the upper part (23) abuts against the third positioning protrusion (342) and the fourth positioning protrusion (343), and the top of the upper part (23) abuts against the sixth positioning protrusion (346).

10. A connecting rod according to claim 6, characterized in that: The invention also comprises a curtain (8), wherein the end of the first installation groove (11) and / or the end of the second installation groove (31) are both provided with a first insertion opening (311), the curtain (8) comprises a shading portion (81) and a mounting strip (82), the shading portion (81) being connected to the mounting strip (82); the mounting strip (82) is inserted into the mounting channel (4) through the first insertion opening (311), passes through the first installation groove (11), the first guide groove (25) and the second installation groove (31) in sequence, and is installed along the first installation groove (11). A first avoidance slot (312) is provided in the axial direction of the groove (11), the first guide slot (25) and the second mounting slot (31), and the first avoidance slot (312) is used to avoid the shading portion (81); the upper side of the shading portion (81) is bent and connected to the shading portion (81) to form a receiving cavity (811), and the mounting strip (82) is arranged in the receiving cavity (811); the shading portion (81) is a flexible shading portion (81), and the mounting strip (82) is a flexible mounting strip (82).

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