Locking piece for telescopic connecting rod

Abstract

The utility model discloses a locking piece for a telescopic connecting rod, which comprises a front rod section and a rear rod section, the front rod section is sleeved in the rear rod section, the locking piece is arranged between the front rod section and the rear rod section, the locking piece comprises a fastening pad, a limiting table, a guide groove, a clamping ring, a hollow pipe and a conical seat, the conical seat is positioned at the side end of the hollow pipe, and the limiting table is positioned at the side end of the conical seat. The clamping rings are arranged on the surface of the mesopore pipe in an array mode, the limiting tables and the guide grooves are formed between the clamping rings, the fastening pads are attached to the interiors of the guide grooves, the fastening pads are semicircular pad bodies, the thickness of the two side walls of each fastening pad is uniform from thin to thick, the fastening pads are provided with fastening strips and groove holes, the fastening strips are arranged on the outer walls of the fastening pads, and the groove holes are formed in the outer walls of the fastening strips. The slotted hole is formed in the inner wall of the fastening pad. The connecting structure has the advantages of being high in connecting stability and convenient to mount and dismount.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting rods, in particular to an improvement of a locking component of a connecting rod. Background Art

[0002] Telescopic rods are often used in daily life. For example, fishing rods, walking sticks, or camera tripods all use telescopic rods to change their length to make them easier to carry. Another example is mops or clothes drying poles, which use telescopic rods to allow users to adjust the length to a suitable length to make them easier to use.

[0003] The main purpose is to change the length of the telescopic rod by combining and connecting several pipes one by one or sleeved together. The existing telescopic rods often lack sufficient stability at the connection, which easily causes the rod body to become disjointed, causing damage and affecting the use. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a locking piece for a telescopic connecting rod, which has the advantages of high connection stability and easy installation and disassembly, thereby solving the problem that the existing telescopic rods often lack sufficient stability at the connection, which easily causes the rod body to become disjointed, causing damage and affecting use.

[0006] (II) Technical solution

[0007] In order to achieve the above advantages of high connection stability and convenient installation and disassembly, the specific technical solutions adopted by the utility model are as follows:

[0008] A locking piece for a telescopic connecting rod, comprising a front rod section and a rear rod section, wherein the front rod section is sleeved in the rear rod section, and a locking piece is arranged between the front rod section and the rear rod section, wherein the locking piece comprises a fastening pad, a limit platform, a guide groove, a clamping ring, a hollow tube and a conical seat, wherein the conical seat is located at the side end of the hollow tube, an array of clamping rings are arranged on the surface of the center hole tube, the limit platform and the guide groove are arranged between the clamping rings, the fastening pad is fitted in the guide groove, the fastening pad is a semicircular pad body, and the wall thickness on both sides is uniformly arranged from thin to thick, and a fastening strip and a slot hole are arranged on the fastening pad, the array of the fastening strips are arranged on the outer wall of the fastening pad, and the slot hole is arranged at the inner wall of the fastening pad.

[0009] Furthermore, the fastening strips are arc-shaped strips, and gap grooves are left between each group of fastening strips.

[0010] Furthermore, the guide groove is separated by a limit platform, and the inner side of the fastening pad is consistent with the guide groove.

[0011] Furthermore, the fastening pad is an elastic pad body, and the outer diameter of the fastening pad is slightly larger than the outer diameter of the clamping ring.

[0012] Furthermore, the clamping rings are provided in three groups, and the outer diameters of the three groups of clamping rings are arranged from small to large.

[0013] Furthermore, the hollow tube is provided with a first through hole and a second through hole, the first through hole corresponds to the conical seat portion, and the second through hole corresponds to the guide groove.

[0014] Furthermore, an arc chamfer is provided at one end of the conical seat away from the clamping ring, and the outer diameter of the conical seat matches the inner diameter of the front rod section.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a locking member for a telescopic connecting rod, which has the following beneficial effects:

[0017] By rotating the locking piece through the front rod section, the fastening strip rotates inside the rear rod section, and the two sides of the fastening strip are locked from thin to thick, and then loosened by controlling the two sides of the fastening strip from thick to thin. The guide groove is separated by a limit table, and the inner side of the fastening pad coincides with the guide groove, which greatly enhances the stability of the rod connection and effectively prevents disconnection during use. The fastening pad design makes the assembly and disassembly of the rod body more convenient and quick, and improves the comfort and controllability of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is one of the structural schematic diagrams of the utility model;

[0020] Figure 2 This is the second structural diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the installation structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the first through hole 81 and the second through hole 82 of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the fastening pad 2 in the utility model.

[0024] In the figure: locking member 1, front rod section 6, rear rod section 7, fastening pad 2, limit platform 3, guide groove 4, snap ring 5, hollow tube 8, conical seat 9, fastening strip 21, slot 22, first through hole 81, second through hole 82. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a locking member for a telescopic connecting rod is provided.

[0027] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5 As shown, according to an embodiment of the utility model, a locking member for a telescopic connecting rod comprises a front rod section 6 and a rear rod section 7, wherein the front rod section 6 is sleeved in the rear rod section 7, and a locking member 1 is arranged between the front rod section 6 and the rear rod section 7, through which the front rod section 6 can be adjustably sleeved in the rear rod section 7, the locking member 1 comprises a fastening pad 2, a limit platform 3, a guide groove 4, a snap ring 5, a hollow tube 8 and a conical seat 9, the conical seat 9 is located at the side end of the hollow tube 8, an array of snap rings 5 ​​are arranged in an array on the surface of the center hole tube 8, the limit platform 3 and the guide groove 4 are arranged between the snap ring 5, the fastening pad 2 is fitted in the guide groove 4, the fastening pad 2 is a semicircular pad body, and the wall thickness on both sides is evenly arranged from thin to thick, the two sides of the fastening strip 2 are locked from thin to thick, and then the two sides of the fastening strip 2 are controlled from thick to thin to achieve loosening. The fastening pad 2 is provided with fastening strips 21 and slots 22 . The fastening strips 21 are arranged in an array on the outer wall of the fastening pad 2 , and the slots 22 are arranged on the inner wall of the fastening pad 2 .

[0028] In one embodiment, the fastening strip 21 is an arc-shaped strip, and a gap groove is left between each group of fastening strips 21. By rotating the fastening strip 21 in the rear rod section 7, the two sides of the fastening strip 2 are controlled from thin to thick to achieve locking, and then by controlling the two sides of the fastening strip 2 from thick to thin, loosening is achieved.

[0029] In one embodiment, the guide groove 4 is separated by the limiting platform 3, and the inner side of the fastening pad 2 is matched with the guide groove 4. Thus, the fastening pad 2 is limited, and the locking member 1 is rotated by the front rod section 6.

[0030] In one embodiment, the fastening pad 2 is an elastic pad, and the outer diameter of the fastening pad 2 is slightly larger than the outer diameter of the clamping ring 5. This facilitates the fastening pad 2 to control the tightness of the front rod section 6.

[0031] In one embodiment, the clamping rings 5 ​​are provided in three groups, and the outer diameters of the three groups of clamping rings 5 ​​are arranged from small to large. The three groups of clamping rings 5 ​​are clamped in the rear rod section 7 in a tapered manner.

[0032] In one embodiment, the hollow tube 8 is provided with a first through hole 81 and a second through hole 82 , wherein the first through hole 81 corresponds to a portion of the conical seat 9 , and the second through hole 82 corresponds to the guide groove 4 .

[0033] In one embodiment, the end of the conical seat 9 away from the clamping ring 5 is provided with an arc chamfer, and the outer diameter of the conical seat 9 matches the inner diameter of the front rod section 6, so as to facilitate the sleeve connection of the front rod section 6 inside the rear rod section 7.

[0034] Working principle: The front rod section 6 is adjustable and sleeved in the rear rod section 7 through the locking member 1, and the fastening pad 2 fits in the guide groove 4. The fastening pad 2 is a semicircular pad body, and the wall thickness on both sides is evenly set from thin to thick. There is a gap groove between the fastening strips 21. By rotating the fastening strip 21 in the rear rod section 7, the two sides of the fastening strip 2 are locked from thin to thick, and then the two sides of the fastening strip 2 are controlled from thick to thin to achieve loosening. The guide groove 4 is separated by the limit table 3, and the inner side of the fastening pad 2 coincides with the guide groove 4. Thus, the fastening pad 2 is limited, and the locking member 1 is rotated by the front rod section 6.

[0035] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A locking member for a telescopic connecting rod, comprising a front rod section (6) and a rear rod section (7), wherein the front rod section (6) is sleeved in the rear rod section (7), characterized in that: A locking member (1) is arranged between the front rod section (6) and the rear rod section (7), and the locking member (1) comprises a fastening pad (2), a limiting platform (3), a guide groove (4), a snap ring (5), a hollow tube (8) and a conical seat (9), wherein the conical seat (9) is located at the side end of the hollow tube (8), an array of snap rings (5) are arranged on the surface of the hollow tube (8), the limiting platform (3) and the guide groove (4) are arranged between the snap rings (5), the fastening pad (2) fits in the guide groove (4), the fastening pad (2) is a semicircular pad body, and the wall thickness on both sides is evenly arranged from thin to thick, and a fastening strip (21) and a slot hole (22) are arranged on the fastening pad (2), the array of the fastening strips (21) are arranged on the outer wall of the fastening pad (2), and the slot hole (22) is arranged on the inner wall of the fastening pad (2).

2. A locking member for a telescopic connecting rod according to claim 1, characterized in that: The fastening strips (21) are arc-shaped strips, and gap grooves are left between each group of fastening strips (21).

3. A locking member for a telescopic connecting rod according to claim 1, characterized in that: The guide groove (4) is separated by a limiting platform (3), and the inner side of the fastening pad (2) is consistent with the guide groove (4).

4. A locking member for a telescopic connecting rod according to claim 1, characterized in that: The fastening pad (2) is an elastic pad body, and the outer diameter of the fastening pad (2) is slightly larger than the outer diameter of the clamping ring (5).

5. A locking member for a telescopic connecting rod according to claim 1, characterized in that: The clamping rings (5) are provided in three groups, and the outer diameters of the three groups of clamping rings (5) are arranged from small to large.

6. A locking member for a telescopic connecting rod according to claim 1, characterized in that: The hollow tube (8) is provided with a first through hole (81) and a second through hole (82), wherein the first through hole (81) corresponds to the conical seat (9) portion, and the second through hole (82) corresponds to the guide groove (4).

7. A locking member for a telescopic connecting rod according to claim 1, characterized in that: An arc chamfer is provided at one end of the conical seat (9) away from the clamping ring (5), and the outer diameter of the conical seat (9) matches the inner diameter of the front rod section (6).

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