TWM499301U - Improved telescopic rod - Google Patents

Description

Improved telescopic rod

This creation relates to an improved telescopic rod, and more particularly to an improved telescopic rod that is telescopically stretched and has a positioning function.

Telescopic rods are very common in the market. They can be extended or shortened according to different use distances. They have a wide range of applications and can be used to provide hand tools, cameras, mobile phones, flashlights, etc., as curtains and curtains. The support rod of the shower curtain is used for other purposes.

As shown in Fig. 1, it is a schematic view of a conventional telescopic rod. Conventionally, the telescopic rods mostly comprise at least two or more rods, and the rods of each of the two adjacent sleeves are one large and one small, and the inner and outer tubes are matched with each other, for example, the first rods 1 and 2 in the figure. The rod 2 is shown. In the current design of the telescopic rod, in order to extend or shorten the telescopic rod, the first rod 1 and the second rod 2 are forced to rotate relative to each other, and then the first rod is completed by friction interference. The positioning between the piece 1 and the second rod 2, however, the positioning of such rotation tends to cause looseness between the first rod 1 and the second rod 2.

In view of the above-mentioned problems of the prior art, the purpose of the present invention is to provide an improved telescopic rod that is telescopically stretched by a push-pull sliding method and has a positioning function, so as to solve the problem that the rods of the conventional telescopic rods can rotate relative to each other and cannot be effectively fixed. The problem.

According to the purpose of the present invention, an improved telescopic rod is provided, comprising: a first rod member having a first sliding portion on an inner wall thereof; and a second rod member having a smaller size than the first rod member And the second rod member is movably disposed in the first rod member; and a connecting member has one end retracted to join the second rod member, and the outer wall of the unrecessed portion of the connecting member is provided with a a second sliding portion, the second sliding portion is corresponding to the first sliding portion, and the second sliding portion is slidable relative to the first sliding portion, so that a part of the second member and the connecting member It can be placed externally or sliding inside the first member.

Preferably, the first sliding portion may be a rib and the second sliding portion may be a groove, or the first sliding portion may be a groove and the second sliding portion may be a rib.

Preferably, the inner wall of the second rod member is provided with a first positioning portion, and the outer wall of the relatively retracted portion of the connecting member is provided with a second positioning portion. When the second rod member and the connecting member are coupled to each other, the first The positioning portion and the second positioning portion are coupled to each other.

Preferably, the first positioning portion may be a concave portion and the second positioning portion may be a convex point, or the first positioning portion may be a convex portion and the second positioning portion may be a concave portion.

Preferably, the first positioning portion and the second positioning portion may be perforations, and the second rod member is fixed to the connecting member through a pin member inserted into the first positioning portion and the second positioning portion.

Preferably, the uncontracted portion of the connecting member is provided with a slot extending from the outer wall to the inner wall, and an inner portion of the unretracted portion of the connecting member is provided with an elastic member, and the elastic member is abutted against the connecting member. Inner wall. When the outer wall of the connecting member is in contact with the inner wall of the first rod, the outer wall of the connecting member will be pushed inward to compress the elastic member, and when the second sliding portion is correspondingly engaged with the first sliding portion, the elastic member The elasticity is then restored such that the outer wall of the connector abuts against the inner wall of the first member.

Preferably, the elastic member can be, for example, a C-ring.

As mentioned above, the improved telescopic rod of this creation provides users with accessibility. Pushing and pulling to make adjacent rods slide relative to each other, and the telescopic rod is further provided with a positioning portion and an elastic member to enhance the fixing between the plurality of rods and the connecting member, so that the user can use the telescopic rod Don't worry about the looseness of the rod.

1, 10‧‧‧ first member

11‧‧‧First sliding part

12‧‧ ‧ retaining ring

2, 20‧‧‧ second member

21‧‧‧First Positioning Department

30‧‧‧Connecting parts

31‧‧‧Second sliding part

32‧‧‧Second Positioning Department

33‧‧‧ slotting

34‧‧‧The Ministry of Resistance

40‧‧‧ Pins

50‧‧‧Flexible parts

Figure 1 is a schematic view of a telescopic rod of the prior art.

Fig. 2 is a first schematic view of a first embodiment of the improved telescopic rod of the present invention.

Fig. 3 is a second schematic view of the first embodiment of the improved telescopic rod of the present invention.

Fig. 4 is a schematic view showing a second embodiment of the improved telescopic rod of the present invention.

Fig. 5 is a schematic view showing a third embodiment of the improved telescopic rod of the present invention.

Fig. 6 is a schematic view showing a fourth embodiment of the improved telescopic rod of the present invention.

In order to understand the technical characteristics, content and advantages of the creation and the effects that can be achieved by the examiner, the author will use the drawings in detail and explain the following in the form of the examples, and the drawings used therein The subject matter is only for the purpose of illustration and supplementary instructions. It is not necessarily the true proportion and precise configuration after the implementation of the original creation. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited in the actual implementation scope. First described.

Please refer to FIG. 2 and FIG. 3 , which are respectively a first schematic diagram and a second schematic diagram of the first embodiment of the improved telescopic rod of the present invention. The modified telescopic rod can be composed of two or more rods, and includes a first rod member 10 and a second rod member 20. In detail, the improved telescopic rod includes a first rod 10, a second rod 20, and a connector 30. The inner wall of the first rod 10 is provided with a first sliding portion 11 . The first sliding portion 11 may be a rib or may be a groove. The second rod 20 is smaller in size than the first rod 10, and the second rod 20 is movably placed in the first rod 10 to be in the form of inner and outer tubes. Further, the inner wall of one end of the second rod member 20 is provided with a first positioning portion 21, and in this embodiment, the first positioning portion 21 can be a recess or a bump. One end of the connecting member 30 is designed to be retracted. On the outer wall of the relatively retracted portion, the connecting member 30 is provided with a second positioning portion 32. In this embodiment, the second positioning portion 32 can be A positioning portion 21 corresponds to a bump (when the first positioning portion 21 is a concave portion) or a concave portion (when the first positioning portion 21 is a bump). The retracting design of the connecting member 30 is mainly for providing a small rod 20 of a smaller size to be sleeved thereto, and the other portion of the connecting member 30 not being retracted provides a socket of the first rod 10 having a larger size. When the second rod 20 and the connecting member 30 are sleeved with each other, the first positioning portion 21 and the second positioning portion 32 are correspondingly coupled.

A portion of the outer portion of the connecting member 30 that is not retracted is provided with a second sliding portion 31, and the second sliding portion 31 is a groove corresponding to the first sliding portion 11 (the first sliding portion 11 is a rib) When the connecting member 30 is sleeved with the first rod member 10, the second sliding portion 31 and the first sliding portion 11 are correspondingly engaged. In use, the user can push and pull the first rod member 10 and the second rod member 20 to slide the second sliding portion 31 relative to the first sliding portion 11, and at this time, the portion of the second rod member 20 is connected. The piece 30 can be movably placed on the outside or slide inside the first rod 10 to achieve the purpose of elongation or shortening, and when the length of the predetermined telescoping is reached, the first sliding portion 11 and the second sliding portion are transmitted. The clamping of the jaws 31 can achieve the function of positioning and fixing, so that the telescopic rods can achieve the function of not rotating. In the above, it should be particularly noted that this embodiment only cites the two adjacent first rod members 10 and the second rod members 20 to facilitate and clearly illustrate the technique of the present invention. However, in the modified telescopic rod, each The structure of the rods is mainly the same, and the difference is that the size is different, and a connecting member 30 is disposed between each of the two adjacent rods, and the first rod is arranged on the upper rod 10. The structure and mating of the second rod member 20 and the connecting member 30 can be applied to the composition of the other two adjacent rod assemblies, and the scope of the embodiment should not be limited.

Please refer to FIG. 4, which is a schematic view of a second embodiment of the improved telescopic rod of the present invention. In the second embodiment, the first positioning portion 21 of the second rod 20 of the modified telescopic rod and the second positioning portion 32 of the connecting member 30 are perforated, and the perforations are respectively formed on the second rod 20 and the connecting member 30. The upper and lower portions are disposed correspondingly, and the first positioning portion 21 and the second positioning portion 32 are inserted through the pin member 40 to stably fix the sleeve between the second rod member 20 and the connecting member 30.

Referring again to FIG. 5, it is a schematic view of a third embodiment of the improved telescopic rod of the present invention. In the third embodiment, the portion of the connecting member 30 that is not retracted is provided with a slot 33 that is opened from the outer wall to the inner wall, and the slot 33 is formed to extend or inward of the wall of the connecting member 30. The elastic member 50 is further disposed inside the portion of the connecting member 30 that is not retracted. The elastic member 50 can be, for example, a C-ring, but is not limited thereto. The elastic member 50 is abutted against the inner wall of the connecting member 30. When the first rod member 10 and the connecting member 30 are to be sleeved such that the outer wall of the connecting member 30 is in contact with the inner wall of the first rod member 10, the connecting member 30 The outer wall will be recessed by the inner wall of the first rod 10 so that the wall surface of the connecting member 30 will push the compression elastic member 50, and when the first rod 10 and the connecting member 30 are sleeved, the second When the sliding portion 31 and the first sliding portion 11 are correspondingly engaged, the elastic member 50 will elastically recover to push the wall surface of the connecting member 30, so that the outer wall of the connecting member 30 abuts against the inner wall of the first member 10. In order to enhance the socket between the connecting member 30 and the first rod member 10, when the first rod member 10 and the second rod member 20 are stretched or recovered, it helps to stop stretching at any point without loosening. .

Further, please refer to Fig. 6, which is a schematic view of a fourth embodiment of the improved telescopic rod of the present invention. In the fourth embodiment, the first rod 10 has a retaining ring 12, and the first rod 10 can be thickened by the retaining ring 12, and the connecting member 30 has a resisting portion 34 when the first member 10 and when the second rod 20 is stretched, not only The connecting member 30 positions the first rod member 10 by the resisting portion 34 against the retaining ring 12, and further protects the nozzle of the first rod member 10 from being pulled out and broken.

In summary, the improved telescopic rod of the present invention is arranged through the rib and the groove, so that the rods are slidably stretched and fixed by pushing and pulling, and the telescopic rods can not rotate with each other. Compared with the conventional telescopic rod, the telescopic rod is rotated and rotated, and the system is relatively stable without shaking, and the modified telescopic rod of the present invention further has a positioning portion and an elastic member, so that the fixing between the connecting member and each member can be strengthened. It can avoid the problem of loose rods and stop stretching at any point without loosening.

Looking at the above, it can be seen that under the previous technology, this creation has indeed achieved the desired effect, and it is not easy for people who are familiar with the art to think about it. Moreover, this creation has not been disclosed before the application, and it has Progressive and practical, it has already met the application requirements of the patent, and has filed a patent application according to law. You are requested to approve the application for the creation of this patent to encourage creation.

The embodiments described above are only for explaining the technical idea and characteristics of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement them according to the scope of the patent. That is, the equivalent changes or modifications made by the people in accordance with the spirit revealed by this creation should still be covered by the scope of the patent of this creation.

10‧‧‧First member

11‧‧‧First sliding part

20‧‧‧Second bars

21‧‧‧First Positioning Department

30‧‧‧Connecting parts

31‧‧‧Second sliding part

32‧‧‧Second Positioning Department

Claims (7)

An improved telescopic rod comprising: a first rod member having a first sliding portion on an inner wall thereof; a second rod member having a smaller size than the first rod member, and the second rod member The member is movably disposed in the first rod member; and a connecting member has one end that is relatively retracted to join the second rod member, and a portion of the non-retracted portion of the connecting member is provided with a second a sliding portion, the second sliding portion corresponding to the first sliding portion, and the second sliding portion is slidable relative to the first sliding portion, so that the second member is partially The connecting member is movably placed outside or slid inside the first member. The modified telescopic rod according to claim 1, wherein the first sliding portion is a convex rib and the second sliding portion is a groove, or the first sliding portion is a groove and the second sliding portion is It is a rib. The modified telescopic rod of claim 1, wherein the inner wall of the second rod is provided with a first positioning portion, and the outer wall of the relatively narrow portion of the connecting member is provided with a second positioning portion. When the two rods are coupled to the connecting member, the first positioning portion and the second positioning portion are coupled to each other. The modified telescopic rod according to claim 3, wherein the first positioning portion is a concave portion and the second positioning portion is a convex point, or the first positioning portion is a convex portion and the second positioning portion is a concave portion. The modified telescopic rod of claim 3, wherein the first positioning portion and the second positioning portion are perforated, and the first positioning portion and the second positioning portion are inserted through a pin member to make the second The rod is fixed to the connecting member. The modified telescopic rod according to claim 1 or 3, wherein the uncontracted portion of the connecting member is provided with a groove which is opened from the outer wall to the inner wall, and the inner portion of the connecting member is not retracted Providing an elastic member, the elastic member is abutted against the inner wall of the connecting member, when When the outer wall of the connecting member is in contact with the inner wall of the first rod, the outer wall of the connecting member will be pushed inwardly to compress the elastic member, and when the second sliding portion corresponds to the first sliding portion The elastic member restores the elasticity so that the outer wall of the connecting member abuts against the inner wall of the first member. The modified telescopic rod of claim 6, wherein the elastic member is a C-ring.