Telescopic rod

Abstract

The utility model relates to the technical field of telescopic rods, in particular to a telescopic rod which comprises a plurality of sets of sleeves, clamps are fixedly connected to the outer sides of the ends of the sleeves, the outer diameter of the rear end of a front side sleeve is smaller than the inner diameter of a rear side sleeve, and the rear end of the front side sleeve is inserted into a rear side clamp and inserted into the rear side sleeve. The telescopic rod sleeve clamp has the beneficial effects that the telescopic rod sleeve clamp can be conveniently connected and fixed with a sleeve, the clamp can adjust the telescopic rod to stretch out and draw back to any length, compared with existing threaded sleeve fastening, the clamp is more convenient and labor-saving to operate, the clamping tightness can be adjusted according to needs after abrasion occurs, the clamping effect is guaranteed, and the practicability is high. And loosening is avoided, the matching degree between the clamp and the telescopic rod sleeve is improved, and the using effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic rods, and particularly to a telescopic rod. Background Art

[0002] In the existing cleaning tools, such as mops, telescopic rods are often used. Through the telescopic rods, the overall length of the cleaning tools can be reduced to reduce the occupied space, facilitate carrying and adapt to different users, increasing the comfort of use. In the prior art, spring clips or threaded sleeves are commonly used for fixing the telescopic rods. The spring clips limit the positioning positions and cannot be adjusted to any telescopic length, while the threaded sleeve fastening structure has the problems of laborious screwing and easy loosening. Therefore, a telescopic rod clamping and positioning structure that can ensure that the telescopic rod can be adjusted to any telescopic length and can also ensure time-saving and labor-saving operation is needed. For this reason, the present utility model proposes a telescopic rod to solve the above problems. Content of the Utility Model

[0003] The purpose of the present utility model is to provide a telescopic rod to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present utility model provides the following technical solution: A telescopic rod, comprising

[0005] a sleeve, several groups of the sleeves are included. A clamp is fixedly connected to the outer side of the end of the sleeve. The outer diameter of the rear end of the front sleeve is smaller than the inner diameter of the rear sleeve. The rear end of the front sleeve is inserted into the rear clamp and then into the rear sleeve.

[0006] Preferably, the clamp includes a C-shaped main body. The main body of the clamp includes a fixed end at the lower end and a clamping end at the upper end. The inner diameter of the fixed end is larger than that of the clamping end. Fastening clips are integrally formed at both ends of the rear side of the fixed end. The two fastening clips on both sides are symmetrically arranged and two sets are provided up and down. Connecting holes are formed through the two fastening clips on both sides, and a fixing bolt is connected in the connecting holes. The front end of the sleeve is inserted into the inside of the fixed end, and the movable clip is tightened by the fixing bolt, thereby fixing the sleeve and the clamp.

[0007] Preferably, movable clips are integrally formed at both ends of the rear side of the clamping end. A through hole is formed through the middle of the movable clip. A positioning sleeve slot is formed on the outside of the through hole on one side of the movable clip, and a positioning groove is formed on the outside of the through hole on the other side of the movable clip. A pin bolt is inserted into the through hole. A positioning sleeve is sleeved outside the pin bolt. A hexagonal card slot corresponding to the nut of the pin bolt is formed at the end of the positioning sleeve. A positioning card tooth is arranged at the front end of the positioning sleeve. The positioning card tooth corresponds to the positioning sleeve slot. After the pin bolt and the positioning sleeve are inserted into the through hole, the positioning sleeve is correspondingly clamped and positioned with the positioning sleeve slot.

[0008] Preferably, a spring is inserted into the through hole in the positioning groove, a support cushion block is inserted into the positioning groove, a corresponding through hole is also provided in the middle of the support cushion block, the support cushion block is supported by the spring, an arc-shaped groove is provided on the outer side of the support cushion block, a movable handle is arranged in the arc-shaped groove, an oval eccentric convex block is arranged at one end of the movable handle, and the eccentric convex block corresponds to the arc-shaped groove.

[0009] Preferably, a connecting groove is provided in the movable handle, a connecting rod is connected in the connecting groove, a threaded hole is formed through the middle of the connecting rod, both ends of the connecting rod extend out of the connecting groove to the outside, clamping grooves are provided on the outer sides of both ends of the connecting rod, a clamping gasket is inserted into the clamping grooves, the gasket is in a C shape, and a threaded connection head is arranged at the end of the pin bolt and is connected to the threaded hole.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] By arranging the telescopic rod sleeve clamp, the utility model can be conveniently connected and fixed with the sleeve, and the clamp can adjust the telescopic rod to any length. Moreover, compared with the existing threaded sleeve fastening, the clamp is more convenient and labor-saving in operation, and can also adjust the clamping tightness according to needs after wear appears, ensuring the clamping effect, avoiding loosening, improving the matching degree between the clamp and the telescopic rod sleeve, and improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the utility model;

[0013] Figure 2 is a structural schematic diagram of the clamp in the utility model;

[0014] Figure 3 is an exploded structural schematic diagram of the clamp in the utility model;

[0015] Figure 4 is Figure 3 the left side structural view of

[0016] In the figure: 1 sleeve, 2 clamp, 3 fixed end, 4 clamping end, 5 fastening clamp, 6 fixing bolt, 7 movable clamp, 8 pin bolt, 9 positioning sleeve, 10 movable handle, 11 connecting rod, 12 gasket, 13 spring, 14 support cushion block, 15 positioning sleeve slot, 16 positioning teeth, 17 positioning groove. DETAILED DESCRIPTION OF THE INVENTION

[0017] In order to clearly and completely describe the purpose, technical solution of the present utility model, and make the advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0020] For the purposes of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is apparent that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Additionally, all embodiments may be used in combination with each other.

[0021] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: a telescopic rod, including

[0022] a sleeve 1, the sleeve 1 includes several groups, a fixture 2 is fixedly connected to the outer side of the end of the sleeve 1, the outer diameter of the rear end of the front sleeve 1 is smaller than the inner diameter of the rear sleeve 1, and the rear end of the front sleeve 1 is inserted into the rear fixture 2 and inserted into the rear sleeve 1;

[0023] The fixture 2 includes a C-shaped main body. The main body of the fixture 2 includes a fixed end 3 at the lower end and a clamping end 4 at the upper end. The inner diameter of the fixed end 3 is larger than that of the clamping end 4. At both ends on the rear side of the fixed end 3, fastening clips 5 are integrally formed. The two fastening clips 5 on both sides are symmetrically arranged and are provided in two sets, upper and lower. Through holes are formed through the two fastening clips 5 on both sides, and fixing bolts 6 are connected in the through holes. The front end of the sleeve 1 is inserted into the inside of the fixed end 3, and the movable clip 7 is tightened by the fixing bolt 6, so as to fix the sleeve 1 and the fixture 2. The front-end sleeve 1 can be clamped and positioned by the fixture 2. The position of the sleeve 1 can be adjusted after the fixture 2 is loosened. After adjusting to the appropriate length position, the movable handle 10 is pulled to tighten, so as to achieve a fixed length;

[0024] At both ends on the rear side of the clamping end 4, movable clips 7 are integrally formed. A through hole is formed through the middle of the movable clip 7. A positioning sleeve slot 15 is formed on the outside of the through hole on one side of the movable clip 7, and a positioning groove 17 is formed on the outside of the through hole on the other side of the movable clip 7. A pin bolt 8 is inserted into the through hole. A positioning sleeve 9 is sleeved outside the pin bolt 8. A hexagonal card slot corresponding to the nut of the pin bolt 8 is formed at the end of the positioning sleeve 9. A positioning tooth 16 is provided at the front end of the positioning sleeve 9. The positioning tooth 16 corresponds to the positioning sleeve slot 15. After the pin bolt 8 and the positioning sleeve 9 are inserted into the through hole, the positioning sleeve 9 is correspondingly clamped and positioned with the positioning sleeve slot 15. The pin bolt 8 can be positioned by the positioning sleeve 9, avoiding the rotation of the pin bolt 8, facilitating the rotation of the movable handle 10 to adjust the tightness, improving the use stability, and preventing loosening due to rotation;

[0025] A spring 13 is inserted into the through hole in the positioning groove 17, and a support pad 14 is inserted into the positioning groove 17. A corresponding through hole is also formed in the middle of the support pad 14. The support pad 14 is supported by the spring 13. An arc-shaped groove is provided on the outside of the support pad 14, and the movable handle 10 is arranged in the arc-shaped groove. An oval eccentric convex block is provided at one end of the movable handle 10. The eccentric convex block corresponds to the arc-shaped groove. The support pad 14 can realize the limit and support of the movable handle 10, ensure the stability of the movable handle, and at the same time provide a support point, so that the movable handle 10 can tighten the movable clip 7 by relying on the lever principle, and thus clamping and fastening can be carried out. The spring 13 can play a role in supporting the support pad 14, so that it always fits with the movable handle 10, avoiding misalignment and affecting the use effect, and can ensure that the movable handle 10 is smooth and silent after being loosened, preventing the nut from loosening and shifting;

[0026] The movable handle 10 is provided with a connecting groove. A connecting rod 11 is connected in the connecting groove. A threaded hole is formed through the middle of the connecting rod 11. Both ends of the connecting rod 11 extend out of the connecting groove to the outside. Card slots are formed on the outer sides of both ends of the connecting rod 11. A clamping gasket 12 is inserted into the card slots. The gasket 12 is in a C shape. The end of the pin bolt 8 is provided with a threaded connection head, and the threaded connection head is connected to the threaded hole. The position of the connecting rod can be fixed through the gasket 12, avoiding affecting the connection with the pin bolt 8, resulting in an increase in the frictional force between the pin bolt 8 and the through hole and accelerating the wear speed, and the service life can be extended.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic rod, characterized in that: Comprising A casing (1), the casing (1) comprising several groups, with a fixture (2) fixedly connected to the outer side of the end of the casing (1). The outer diameter of the rear end of the front-side casing (1) is smaller than the inner diameter of the rear-side casing (1). The rear end of the front-side casing (1) is inserted into the rear-side fixture (2) and then into the rear-side casing (1).

2. The telescopic rod according to claim 1, wherein: The fixture (2) comprises a C-shaped main body. The main body of the fixture (2) includes a fixed end (3) at the lower end and a clamping end (4) at the upper end. The inner diameter of the fixed end (3) is larger than the inner diameter of the clamping end (4). At the two ends of the rear side of the fixed end (3), fastening clips (5) are integrally formed. The two fastening clips (5) on both sides are symmetrically arranged and there are two sets up and down. Through holes are formed through the two fastening clips (5) on both sides, and fixing bolts (6) are connected in the through holes. The front end of the casing (1) is inserted into the interior of the fixed end (3), and the movable clip (7) is tightened by the fixing bolt (6), thereby fixing the casing (1) and the fixture (2).

3. The telescopic rod according to claim 2, characterized in that: At the two ends of the rear side of the clamping end (4), movable clips (7) are integrally formed. A through hole is formed through the middle of the movable clip (7). A positioning sleeve slot (15) is formed on the outside of the through hole of one side of the movable clip (7), and a positioning groove (17) is formed on the outside of the through hole of the other side of the movable clip (7). A pin bolt (8) is inserted into the through hole. A positioning sleeve (9) is sleeved outside the pin bolt (8). A hexagonal card slot corresponding to the nut of the pin bolt (8) is formed at the end of the positioning sleeve (9). A positioning tooth (16) is provided at the front end of the positioning sleeve (9). The positioning tooth (16) corresponds to the positioning sleeve slot (15). After the pin bolt (8) and the positioning sleeve (9) are inserted into the through hole, the positioning sleeve (9) is correspondingly clamped and positioned with the positioning sleeve slot (15).

4. The telescopic rod according to claim 3, wherein: A spring (13) is inserted into the through hole in the positioning groove (17), and a support cushion block (14) is inserted into the positioning groove (17). A corresponding through hole is also formed in the middle of the support cushion block (14). The support cushion block (14) is supported by the spring (13). An arc-shaped groove is provided on the outside of the support cushion block (14), and a movable handle (10) is arranged in the arc-shaped groove. One end of the movable handle (10) is provided with an oval-shaped eccentric convex block, and the eccentric convex block corresponds to the arc-shaped groove.

5. The telescopic rod according to claim 4, wherein: A connecting groove is formed in the movable handle (10), and a connecting rod (11) is connected in the connecting groove. A threaded hole is formed through the middle of the connecting rod (11). The two ends of the connecting rod (11) extend out of the connecting groove to the outside. Card slots are formed on the outside of the two ends of the connecting rod (11), and clamping gaskets (12) are inserted into the card slots. The gasket (12) is C-shaped. A threaded connection head is provided at the end of the pin bolt (8), and the threaded connection head is connected to the threaded hole.

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