Telescopic rod

Abstract

The utility model belongs to the field of telescopic rods, and provides a telescopic rod which comprises a driving coil, a first threaded telescopic column, a second threaded telescopic column and a synchronous rod, a channel is formed in the driving coil in the axial direction of the driving coil, and threads are arranged on the inner wall of the channel; the first threaded telescopic column is provided with a first synchronous channel in the axial direction of the first threaded telescopic column, and one end of the first threaded telescopic column is in threaded connection with one end of the channel. The second threaded telescopic column is provided with a second synchronous channel in the axial direction of the second threaded telescopic column, and one end of the second threaded telescopic column is in threaded connection with the other end of the channel. And the synchronous rod is inserted into the first synchronous track and the second synchronous track. The device is simple and compact in structure, convenient and fast to adjust and high in precision.

Description

Technical Field

[0001] The present application belongs to the field of pins, and in particular, relates to a telescopic rod. Background Art

[0002] Telescopic rods can be used in many fields because of their variable length, such as cleaning supplies, outdoor sports supplies, gardening supplies, ship support supplies, audio and video equipment, inspection and testing equipment, etc. When the user needs to use it, it can be stretched to a certain length, which can achieve the effects of saving volume and flexible use.

[0003] However, most existing telescopic rods adopt a tensile structure, which is complex in structure and the size adjustment is not precise enough, and is not suitable for some precise scenes. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings in the prior art, the purpose of the present application is to provide a telescopic rod with a simple and compact structure, convenient and quick adjustment and high precision.

[0005] The technical means adopted by this application to solve the above technical problems are:

[0006] The present application provides a telescopic rod, comprising:

[0007] A driving spiral coil, wherein the driving spiral coil is provided with a channel along its axial direction, and the inner wall of the channel is provided with a thread;

[0008] A first threaded telescopic column, wherein the first threaded telescopic column is provided with a first synchronization channel along its axial direction, and one end of the first threaded telescopic column is threadedly connected to one end of the channel;

[0009] A second threaded telescopic column, wherein the second threaded telescopic column is provided with a second synchronous channel along its axial direction, and one end of the second threaded telescopic column is threadedly connected to the other end of the channel;

[0010] A synchronization rod is inserted into the first synchronization path and the second synchronization path, and is used to realize the synchronous rotation of the first threaded telescopic column and the second threaded telescopic column.

[0011] Preferably, it further comprises a first ring and a second ring, wherein the first ring is sleeved on the other end of the first threaded telescopic column, and the second ring is sleeved on the other end of the second threaded telescopic column.

[0012] Preferably, it also includes a first pin and a second pin, the inner side wall of the first ring is provided with a first positioning groove along its axial direction, the first pin is installed on the first threaded telescopic column, and the first pin is clamped in the first positioning groove; the inner side wall of the second ring is provided with a second positioning groove along its axial direction, the second pin is installed on the second threaded telescopic column, and the second pin is clamped in the second positioning groove.

[0013] Preferably, it also includes a first limit screw and a second limit screw, the first threaded telescopic column is provided with a first limit groove along its circumference, the first limit screw is installed on the driving screw ring, and one end of the first limit screw is inserted in the first limit groove; the second threaded telescopic column is provided with a second limit groove along its circumference, the second limit screw is installed on the driving screw ring, and one end of the second limit screw is inserted in the second limit groove.

[0014] Preferably, it further comprises an anti-skid ring, wherein the anti-skid ring is sleeved on the driving spiral ring and the anti-skid ring is provided with an anti-skid groove.

[0015] Compared with the prior art, the telescopic rod of the present application is provided with a driving screw coil, a first threaded telescopic column and a second threaded telescopic column, the first threaded telescopic column and the second threaded telescopic column are respectively threadedly connected to the driving screw coil, the first threaded telescopic column and the second threaded telescopic column are fixed, and the first threaded telescopic column and the second threaded telescopic column are respectively telescoped to both ends by rotating the driving screw coil, and the first threaded telescopic column and the second threaded telescopic column are respectively telescoped to both ends by a synchronization rod, and the first threaded telescopic rod and the second threaded telescopic rod are ensured to rotate synchronously by a synchronization rod, thereby ensuring the synchronization of telescope and extension; the structure is simple and compact, the adjustment is convenient and quick, and the threaded adjustment is adopted, so the precision is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic structural diagram of the telescopic rod of the present application in a retracted state.

[0018] Figure 2 This is a schematic structural diagram of the telescopic rod of the present application in the extended state.

[0019] Figure 3 This is an exploded view of the telescopic rod of the present application.

[0020] Marking Description:

[0021] 1. Driving screw ring; 2. First threaded telescopic column; 2a. First limiting groove; 3. Second threaded telescopic column; 3a. Second limiting groove; 4. Synchronous rod; 5. First ferrule; 5a. First positioning groove; 6. Second ferrule; 7. First pin; 8. Second pin; 9. First limiting screw; 10. Second limiting screw; 11. Anti-slip ring. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the following description, many specific details are set forth in order to fully understand the utility model, and the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] It should be noted that: unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. Similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. At the same time, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] like Figure 1-3 As shown, in this embodiment, a telescopic rod is provided, including a driving coil 1, a first threaded telescopic column 2, a second threaded telescopic column 3 and a synchronization rod 4, wherein the driving coil 1 is provided with a channel along its axial direction, and the inner wall of the channel is provided with a thread; the first threaded telescopic column 2 is provided with a first synchronization path along its axial direction, and one end of the first threaded telescopic column 2 is threadedly connected to one end of the channel; the second threaded telescopic column 3 is provided with a second synchronization path along its axial direction, and one end of the second threaded telescopic column 3 is threadedly connected to the other end of the channel; the synchronization rod 4 is inserted into the first synchronization path and the second synchronization path, and is used to realize the synchronous rotation of the first threaded telescopic column 2 and the second threaded telescopic column 3.

[0025] Some preferred embodiments of the utility model further include a first ferrule 5 and a second ferrule 6, wherein the first ferrule 5 is sleeved on the other end of the first threaded telescopic column 2, and the second ferrule 6 is sleeved on the other end of the second threaded telescopic column 3. In this way, the first ferrule 5 and the second ferrule 6 can facilitate the connection of the first threaded telescopic column 2 and the second threaded telescopic column 3 to the external structure, and can also protect the first threaded telescopic column 2 and the second threaded telescopic column 3.

[0026] Some preferred embodiments of the utility model further include a first pin 7 and a second pin 8, the inner side wall of the first ferrule 5 is provided with a first positioning groove 5a along its axial direction, the first pin 7 is mounted on the first threaded telescopic column 2, and the first pin 7 is clamped in the first positioning groove 5a; the inner side wall of the second ferrule 6 is provided with a second positioning groove along its axial direction, the second pin 8 is mounted on the second threaded telescopic column 3, and the second pin 8 is clamped in the second positioning groove. In this way, the ferrule can be accurately positioned on the threaded telescopic column, so that the two can be conveniently connected by bolts.

[0027] In some preferred embodiments of the utility model, a first limiting screw 9 and a second limiting screw 10 are also included. The first threaded telescopic column 2 is provided with a first limiting groove 2a along its circumference. The first limiting screw 9 is installed on the driving spiral 1, and one end of the first limiting screw 9 is inserted into the first limiting groove 2a. The second threaded telescopic column 3 is provided with a second limiting groove 3a along its circumference. The second limiting screw 10 is installed on the driving spiral 1, and one end of the second limiting screw 10 is inserted into the second limiting groove 3a. In this way, the limiting screw and the limiting groove cooperate to limit the telescopic range of the threaded telescopic column.

[0028] Some preferred embodiments of the present invention further include an anti-skid ring 11, which is sleeved on the driving screw ring 1 and is provided with an anti-skid groove. In this way, the anti-skid ring can facilitate the operation of the driving screw ring 1.

[0029] Compared with the prior art, the telescopic rod of the present application is provided with a driving screw coil 1, a first threaded telescopic column 2 and a second threaded telescopic column 3. The first threaded telescopic column 2 and the second threaded telescopic column 3 are respectively threadedly connected to the driving screw coil 1. The first threaded telescopic column 2 and the second threaded telescopic column 3 are fixed. By rotating the driving screw coil 1, the first threaded telescopic column 2 and the second threaded telescopic column 3 are respectively telescoped to both ends, and through the synchronization rod 4, the first threaded telescopic rod and the second threaded telescopic rod are ensured to rotate synchronously, thereby ensuring the synchronization of telescope and extension. The structure is simple and compact, the adjustment is convenient and quick, and the threaded adjustment is adopted, so the precision is higher.

[0030] The above description is only a specific implementation mode of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should also be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection of the claims.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A telescopic rod, characterized in that: include: A driving spiral coil, wherein the driving spiral coil is provided with a channel along its axial direction, and the inner wall of the channel is provided with a thread; A first threaded telescopic column, wherein the first threaded telescopic column is provided with a first synchronization channel along its axial direction, and one end of the first threaded telescopic column is threadedly connected to one end of the channel; A second threaded telescopic column, wherein the second threaded telescopic column is provided with a second synchronous channel along its axial direction, and one end of the second threaded telescopic column is threadedly connected to the other end of the channel; A synchronization rod is inserted into the first synchronization path and the second synchronization path, and is used to realize the synchronous rotation of the first threaded telescopic column and the second threaded telescopic column.

2. The telescopic rod according to claim 1, characterized in that: It also includes a first ring and a second ring, wherein the first ring is sleeved on the other end of the first threaded telescopic column, and the second ring is sleeved on the other end of the second threaded telescopic column.

3. The telescopic rod according to claim 2, characterized in that: It also includes a first pin and a second pin, the inner side wall of the first ring is provided with a first positioning groove along its axial direction, the first pin is installed on the first threaded telescopic column, and the first pin is clamped in the first positioning groove; the inner side wall of the second ring is provided with a second positioning groove along its axial direction, the second pin is installed on the second threaded telescopic column, and the second pin is clamped in the second positioning groove.

4. The telescopic rod according to claim 1, characterized in that: It also includes a first limit screw and a second limit screw, the first threaded telescopic column is provided with a first limit groove along its circumference, the first limit screw is installed on the driving screw ring, and one end of the first limit screw is inserted in the first limit groove; the second threaded telescopic column is provided with a second limit groove along its circumference, the second limit screw is installed on the driving screw ring, and one end of the second limit screw is inserted in the second limit groove.

5. The telescopic rod according to claim 1, characterized in that: It also includes an anti-skid ring, which is sleeved on the driving spiral ring and is provided with an anti-skid groove.

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