Rod piece connecting device

Abstract

A rod piece connecting device comprises a connecting base and a connecting sleeve, the connecting base and the connecting sleeve are assembled in different rod pieces respectively and used for connecting the different rod pieces, the connecting sleeve is adjustably installed on the connecting base through threads, the rod pieces are rotated to drive the connecting base or the connecting sleeve to rotate, and therefore the position of the connecting sleeve on the connecting base is changed. The distance between the rod pieces connected through the connecting device is reduced, and the splicing attractiveness of the rod pieces is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of curtain rods, and in particular relates to a rod connecting device. Background Art

[0002] To facilitate transportation, most curtain rods on the market are multi-section structures. The connecting rods are transported to the installation site and then connected to the curtain rods through connectors. There are two main structures for connecting curtain rods on the market: (1) connecting through a pin shaft, where the two ends of the pin shaft are respectively plugged into the adjacent curtain rods to achieve curtain rod connection. The disadvantage of this connection method is that the pin shaft will exert force on the rod wall of the curtain rod, which may cause the end of the curtain rod to be easily broken during assembly and use, and the connection gap of the curtain rod is large; (2) one end of the curtain rod adopts a closing structure, which is plugged into the end of the other curtain rod to achieve curtain rod connection. The disadvantage of this connection method is that the connection stability is poor and the connection gap of the curtain rod is large. Summary of the invention

[0003] In view of the above shortcomings, the technical problem to be solved by the utility model is to provide a rod connecting device for improving the connection strength of the curtain rod and reducing the connection gap of the curtain rod.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A rod connecting device is used to connect adjacent rods, comprising a connecting seat and a connecting sleeve respectively assembled in the adjacent rods, wherein the connecting sleeve is adjustably mounted on the connecting seat via a thread, and the spacing between adjacent rods is adjusted by changing the position of the connecting sleeve on the connecting seat.

[0006] As a preferred solution of the utility model, the connecting seat is provided with a variable diameter section, and the connecting sleeve is adjustably mounted on the variable diameter section.

[0007] As a preferred solution of the utility model, the variable diameter section is arranged in a conical shape.

[0008] As a preferred solution of the utility model, the tapered variable diameter section is provided with an external thread, and the connecting sleeve is provided with an internal thread adapted to the external thread, and the positional relationship between the connecting sleeve and the variable diameter section is adjusted by the cooperation of the internal thread and the external thread.

[0009] As a preferred solution of the utility model, the pitch of the external thread is greater than the thread thickness of the internal thread.

[0010] As a preferred solution of the utility model, the connecting sleeve is provided with a slot so as to change the diameter of the connecting sleeve through the slot.

[0011] As a preferred solution of the utility model, a groove is provided on the inner side of the connecting sleeve, and the groove is arranged opposite to the slot.

[0012] As a preferred solution of the utility model, both ends of the variable diameter section are respectively connected to limit disks.

[0013] As a preferred solution of the utility model, the connecting seat also includes an inserting section, and an inserting rib is provided on the outer side of the inserting section, and the connecting seat is inserted into the rod through the inserting rib.

[0014] As a preferred solution of the utility model, the end of the splicing rib is provided with a guide surface.

[0015] As a preferred solution of the utility model, a closing section is provided on one side of the rod, and the closing section is plugged into the end of an adjacent rod.

[0016] As a preferred solution of the utility model, the connecting seat is plugged into the closing section.

[0017] The beneficial effect of the utility model is that the positional relationship between the connecting seat and the connecting sleeve is adjusted by the thread, thereby reducing the spacing between the rods connected by the connecting device and improving the aesthetics of the rod assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the connection device.

[0019] Figure 2 It is a structural diagram of the connecting seat.

[0020] Figure 3 It is a structural diagram of the connecting sleeve.

[0021] Figure numerals: rod 1, closing section 1-1, connecting seat 2, external thread 2-1, limiting plate 2-2, plug-in section 2-3, plug-in rib 2-4, guide surface 2-5, variable diameter section 2-6, connecting sleeve 3, internal thread 3-1, slot 3-2, groove 3-3. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] A rod connecting device, the connecting device comprises a connecting seat 2 and a connecting sleeve 3, the connecting seat 2 and the connecting sleeve 3 are respectively assembled in different rods 1, and are used to connect different rods 1, the connecting sleeve 3 is adjustably mounted on the connecting seat 2 through a thread, and the connecting seat 2 or the connecting sleeve 3 is driven to rotate by rotating the rod 1, thereby changing the position of the connecting sleeve 3 on the connecting seat 2, so as to reduce the spacing between the rods 1 connected by the connecting device, and improve the aesthetics of the rod assembly.

[0024] A variable diameter section 2-6 is provided on the connecting seat 2, and the variable diameter section 2-6 is set in a conical shape. An external thread 2-1 is provided on the conical variable diameter section 2-6. An internal thread 3-1 adapted to the external thread 2-1 is provided in the connecting sleeve 3. The positional relationship between the connecting sleeve 3 and the variable diameter section 2-6 is adjusted by the cooperation of the internal thread 3-1 and the external thread 2-1.

[0025] When assembling the rod, the connecting sleeve 3 rotates relative to the variable diameter section 2-6, so that the outer diameter of the connecting sleeve 3 increases, thereby making the connection between the connecting sleeve 3 and the rod 1 tighter. When disassembling the rod, the connecting sleeve 3 rotates relative to the variable diameter section 2-6, so that the outer diameter of the connecting sleeve 3 decreases, which facilitates the separation of the connecting sleeve from the rod 1.

[0026] Since the connecting sleeve 3 is adjusted and slides on the tapered variable diameter section 2-6, the inner diameter of the connecting sleeve 3 will change during the sliding process. In order to prevent interference between the internal thread 3-1 and the external thread 2-1 during the adjustment process, in this embodiment, the pitch of the external thread 2-1 is greater than the thread thickness of the internal thread 3-1. After the position of the connecting seat 2 and the connecting sleeve 3 is adjusted into place, the static friction of the internal thread 3-1 and the external thread 2-1 is used to lock the connecting seat 2 and the connecting sleeve 3.

[0027] A slot 3 - 2 is provided on the connecting sleeve 3 , and the slot 3 - 2 runs through a side wall of the connecting sleeve 3 . When the diameter of the connecting sleeve 3 changes, the slot width of the slot 3 - 2 also changes.

[0028] In order to facilitate the change of the width of the slot 3-2, a groove 3-3 is provided on the inner side of the connecting sleeve 3, and the groove 3-3 is arranged opposite to the slot 3-2. The arrangement of the groove 3-3 facilitates the deformation of the connecting sleeve 3.

[0029] Limiting plates 2-2 are respectively connected to both ends of the variable diameter section 2-6, and the adjusting stroke of the connecting sleeve 3 is limited by the limiting plates 2-2.

[0030] In order to facilitate the connection between the connecting seat 2 and the rod 1, the connecting seat 2 also includes an inserting section 2-3, and an inserting rib 2-4 is provided on the outer side of the inserting section 2-3. The connecting seat 2 is inserted into the rod 1 through the inserting rib 2-4, and a guide surface 2-5 is provided at the end of the inserting rib 2-4. The setting of the guide surface 2-5 facilitates the insertion of the inserting section 2-3 into the rod 1.

[0031] A closing section 1-1 is provided on one side of the rod 1, and the closing section 1-1 is plugged into the end of the adjacent rod 1. Through the setting of the closing section 1-1, the rods 1 have corresponding connection structures, thereby improving the stability of the connection of the rods 1.

[0032] The plug-in section 2-3 of the connecting seat 2 is plugged into the closing section 1-1, and the ends of the adjacent rods 1 are wrapped around the outside of the plug-in section 2-3, thereby providing a certain degree of protection for the closing section 1-1 and preventing the closing section 1-1 from breaking.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0034] Although this article uses more terms corresponding to the figure marks in the figures, it does not exclude the possibility of using other terms; these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A rod connecting device, the connecting device is used to connect adjacent rods (1), characterized in that: It comprises a connecting seat (2) and a connecting sleeve (3) respectively assembled in adjacent rods (1); the connecting sleeve (3) is adjustably mounted on the connecting seat (2) via a thread; and the spacing between adjacent rods (1) is adjusted by changing the position of the connecting sleeve (3) on the connecting seat (2).

2. A rod connection device according to claim 1, characterized in that: The connecting seat (2) is provided with a variable diameter section (2-6), and the connecting sleeve (3) is adjustably mounted on the variable diameter section (2-6).

3. A rod connection device according to claim 2, characterized in that: The variable diameter section (2-6) is arranged in a conical shape, an external thread (2-1) is provided on the conical variable diameter section (2-6), an internal thread (3-1) adapted to the external thread (2-1) is provided in the connecting sleeve (3), and the positional relationship between the connecting sleeve (3) and the variable diameter section (2-6) is adjusted by the cooperation of the internal thread (3-1) and the external thread (2-1).

4. A rod connection device according to claim 3, characterized in that: The pitch of the external thread (2-1) is greater than the thread thickness of the internal thread (3-1).

5. A rod connection device according to claim 1, characterized in that: The connecting sleeve (3) is provided with a slot (3-2) so that the diameter of the connecting sleeve (3) can be changed through the slot (3-2).

6. A rod connection device according to claim 5, characterized in that: The inner side of the connecting sleeve (3) is provided with a groove (3-3), and the groove (3-3) is arranged opposite to the slot (3-2).

7. A rod connection device according to claim 2, characterized in that: Both ends of the variable diameter section (2-6) are respectively connected to the limiting disk (2-2).

8. A rod connection device according to claim 1, characterized in that: The connecting seat (2) further comprises an inserting section (2-3), an inserting rib (2-4) is provided on the outer side of the inserting section (2-3), and the connecting seat (2) is inserted into the rod (1) via the inserting rib (2-4).

9. The rod connection device according to claim 1, characterized in that: A closing section (1-1) is provided on one side of the rod (1), and the closing section (1-1) is plugged into the end of an adjacent rod (1).

10. A rod connection device according to claim 9, characterized in that: The connecting seat (2) is plugged into the closing section (1-1).

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