CN212360408U

CN212360408U - Novel but internal lock of fixed telescopic link device

Info

Publication number: CN212360408U
Application number: CN202021085289.9U
Authority: CN
Inventors: 张守星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-01-15
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a novel but internal lock of telescopic link is fixed device, including thick pole, first cavity has been seted up at the top of thick pole, the inside gomphosis of first cavity is connected with thin pole, the second cavity has been seted up at the top of thin pole, the inside gomphosis of second cavity is connected with the movable rod, the bottom fixedly connected with elliptical wheel of movable rod, the opening has been seted up to the surface of elliptical wheel, one side intercommunication that thin pole was kept away from to the opening has the spacing groove, the draw-in groove has all been seted up to the both sides of the bottom of thin pole, the inside gomphosis of draw-in groove is connected with the stopper. The utility model discloses in, can make the lateral wall contactless of stopper and first cavity through rotating the handle, thin pole and thick pole are no longer fixed to make thin pole can freely remove along first cavity, can adjust the length that thin pole stretches out the inside of first cavity at will according to the self condition, owing to fix thick pole through the stopper, make the interior locking device of telescopic link be difficult to damage.

Description

Novel but internal lock of fixed telescopic link device

Technical Field

The utility model relates to an internal lock technical field especially relates to a novel but internal lock of fixed telescopic link device.

Background

Present telescopic post or pull rod, for example telescopic umbrella, suitcase pull rod, cleaning products telescopic link, its pipe and the connection between the pipe generally all adopt pipe marble buckle to connect, are the cavity in the current telescopic link, and the bullet buckle bullet of round hole department buckle is opened.

The existing internal locking device capable of fixing the telescopic rod enables the telescopic rod not to adjust the desired length at will according to the self condition, and the marble buckle is easy to fall off and damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel internal locking device capable of fixing a telescopic rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel internal locking device capable of fixing a telescopic rod comprises a thick rod, wherein the top of the thick rod is provided with a first cavity, a thin rod is embedded and connected in the first cavity, a second cavity is arranged at the top of the thin rod, the inner part of the second cavity is embedded and connected with a movable rod, the bottom of the movable rod is fixedly connected with an elliptical wheel, an opening is arranged on the outer surface of the elliptical wheel, a limit groove is communicated with one side of the opening, which is far away from the thin rod, the two sides of the bottom end of the thin rod are both provided with a clamping groove, the inside of the clamping groove is embedded and connected with a limiting block, a fixed rod is fixedly connected at the center of one side of the limiting block, which is far away from the thick rod, a sliding block is fixedly connected at one end of the fixed rod, which is far away from the limiting block, the position that the both sides of first cavity are close to the top is the first baffle of equal fixedly connected with, the equal fixedly connected with second baffle in both sides of the bottom of slender pole.

As a further description of the above technical solution:

the top end of the movable rod is fixedly connected with a handle, and the handle is sleeved on the outer surface of the top end of the thin rod.

As a further description of the above technical solution:

one side of the clamping groove, which is far away from the thick rod, is communicated with a movable groove, and the interior of the movable groove is connected with the fixed rod in an embedded mode.

As a further description of the above technical solution:

the spring is arranged in the clamping groove, and two ends of the spring are fixedly connected with one side, close to the movable groove, of the clamping groove and one side, close to the movable rod, of the limiting block respectively.

As a further description of the above technical solution:

the end, far away from the limiting block, of the fixing rod is connected with the inner portion of the opening in an embedded mode, and the inner portion of the limiting groove is connected with the sliding block in an embedded mode.

As a further description of the above technical solution:

one side of the limiting block, which is far away from the fixed rod, is in contact with the side wall of the first cavity.

The utility model discloses following beneficial effect has: the novel internal locking device capable of fixing the telescopic rod is characterized in that when in use, the device passes through a thick rod, a first cavity, a thin rod, a second cavity, a movable rod, a handle, an elliptical wheel, a first baffle, a second baffle, an opening, a limiting groove, a clamping groove, a limiting block, a fixed rod, a sliding block, a movable groove and a spring, the handle is rotated to drive the movable rod to rotate in the second cavity, the movable rod drives the elliptical wheel to rotate, the sliding block moves along the limiting groove due to the fact that the sliding block is embedded in the limiting groove, the limiting groove is oval in shape, the sliding block is driven to move towards the direction close to the thick rod, the sliding block drives the fixed rod to move, the fixed rod drives the limiting block to move towards the direction far away from the movable rod along the clamping groove, the limiting block is driven to contact with the side wall of the first cavity, the limiting block supports the thick rod, and the limiting, thick pole and slender pole relatively fixed rotate the handle and can make the lateral wall contactless of stopper and first cavity, and thin pole and thick pole are no longer fixed to make the slender pole can freely remove along first cavity, can adjust the length that the slender pole stretches out the inside of first cavity at will according to self condition, owing to fix the thick pole through the stopper, make the internal locking device of telescopic link be difficult to damage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of fig. 1 at a according to the present invention;

fig. 3 is a schematic view of the connection between the elliptical wheel and the movable rod of the present invention.

Illustration of the drawings:

1. a thick rod; 2. a first cavity; 3. a thin rod; 4. a second cavity; 5. a movable rod; 6. a grip; 7. an elliptical wheel; 8. a first baffle plate; 9. a second baffle; 10. an opening; 11. a limiting groove; 12. a card slot; 13. a limiting block; 14. fixing the rod; 15. a slider; 16. a movable groove; 17. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a novel but internal lock of telescopic link device, including thick pole 1, first cavity 2 has been seted up at thick pole 1's top, the inside gomphosis of first cavity 2 is connected with thin pole 3, second cavity 4 has been seted up at thin pole 3's top, the inside gomphosis of second cavity 4 is connected with movable rod 5, movable rod 5's bottom fixedly connected with elliptical wheel 7, opening 10 has been seted up to elliptical wheel 7's surface, one side intercommunication that thin pole 3 was kept away from to opening 10 has spacing groove 11, draw-in groove 12 has all been seted up to the both sides of thin pole 3's bottom, the inside gomphosis of draw-in groove 12 is connected with stopper 13, one side central point that thick pole 1 was kept away from to stopper 13 puts fixedly connected with dead lever 14, stopper 13's one end fixedly connected with slider 15 is kept away from to dead lever 14, the first cavity 2's both sides are close to the first baffle 8 of the equal.

The top end of the movable rod 5 is fixedly connected with a handle 6, the movable rod 5 can be driven to rotate by rotating the handle 6, and the handle 6 is sleeved on the outer surface of the top end of the thin rod 3, so that the handle 6 can rotate; a movable groove 16 is communicated with one side of the clamping groove 12, which is far away from the thick rod 1, the movable groove 16 is used for providing a moving space, and the inside of the movable groove 16 is connected with the fixed rod 14 in a jogged mode, so that the fixed rod 14 can move in the movable groove 16; a spring 17 is arranged in the clamping groove 12, the spring 17 has a reset function, two ends of the spring 17 are fixedly connected with one side of the clamping groove 12 close to the movable groove 16 and one side of the limiting block 13 close to the movable rod 5 respectively, and two ends of the spring 17 are fixed through the clamping groove 12 and the limiting block 13, so that the limiting block 13 can stretch the spring 17, and the spring 17 can reset the limiting block 13; one end of the fixing rod 14, which is far away from the limiting block 13, is in embedded connection with the inside of the opening 10, so that the fixing rod 14 can move in the opening 10, the inside of the limiting groove 11 is in embedded connection with the sliding block 15, and the sliding block 15 can move along the limiting groove 11; one side of the limiting block 13, which is far away from the fixing rod 14, is in contact with the side wall of the first cavity 2, so that the limiting block 13 can abut against the thick rod 1, and the thin rod 3 and the thick rod 1 are relatively fixed.

The working principle is as follows: when the novel internal locking device capable of fixing the telescopic rod is used, the handle 6 is rotated, the handle 6 drives the movable rod 5 to rotate in the second cavity 4, the movable rod 5 drives the elliptical wheel 7 to rotate, the slider 15 is embedded with the limiting groove 11, so that the slider 15 moves along the limiting groove 11, the elliptical wheel 7 is elliptical, so that the limiting groove 11 is elliptical, the slider 15 moves towards the direction close to the thick rod 1, the slider 15 drives the fixed rod 14 to move, the fixed rod 14 drives the limit block 13 to move towards the direction far away from the movable rod 5 along the clamping groove 12, so that the limit block 13 is in contact with the side wall of the first cavity 2, the limit block 13 abuts against the thick rod 1, the thick rod 1 is limited by the limit block 13, the thick rod 1 is relatively fixed with the thin rod 3, and the limit block 13 is not in contact with the side wall of the first cavity 2 by rotating the handle 6, thin pole 3 no longer fixes with thick pole 1 to make thin pole 3 can freely remove along first cavity 2, can adjust the length that thin pole 3 stretches out the inside of first cavity 2 at will according to the self condition, owing to fix thick pole 1 through stopper 13, make the internal locking device of telescopic link be difficult to damage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel but internal lock of fixed telescopic link device, includes thick pole (1), its characterized in that: the top of the thick rod (1) is provided with a first cavity (2), the inside of the first cavity (2) is connected with a thin rod (3) in an embedded manner, the top of the thin rod (3) is provided with a second cavity (4), the inside of the second cavity (4) is connected with a movable rod (5) in an embedded manner, the bottom of the movable rod (5) is fixedly connected with an elliptical wheel (7), the outer surface of the elliptical wheel (7) is provided with an opening (10), one side of the opening (10) far away from the thin rod (3) is communicated with a limiting groove (11), two sides of the bottom end of the thin rod (3) are both provided with clamping grooves (12), the inside of each clamping groove (12) is connected with a limiting block (13) in an embedded manner, the center of one side of the limiting block (13) far away from the thick rod (1) is fixedly connected with a fixing rod (14), one end of the fixing rod (14), the two sides of the first cavity (2) are close to the first baffle (8) fixedly connected to the top, and the two sides of the bottom end of the thin rod (3) are fixedly connected to the second baffle (9).

2. The novel internal locking device capable of fixing the telescopic rod as claimed in claim 1, is characterized in that: the top end of the movable rod (5) is fixedly connected with a handle (6), and the handle (6) is sleeved on the outer surface of the top end of the thin rod (3).

3. The novel internal locking device capable of fixing the telescopic rod as claimed in claim 1, is characterized in that: one side, far away from the thick rod (1), of the clamping groove (12) is communicated with a movable groove (16), and the interior of the movable groove (16) is connected with the fixed rod (14) in an embedded mode.

4. The novel internal locking device capable of fixing the telescopic rod as claimed in claim 1, is characterized in that: the spring (17) is arranged in the clamping groove (12), and two ends of the spring (17) are fixedly connected with one side, close to the movable groove (16), of the clamping groove (12) and one side, close to the movable rod (5), of the limiting block (13) respectively.

5. The novel internal locking device capable of fixing the telescopic rod as claimed in claim 1, is characterized in that: one end of the fixing rod (14) far away from the limiting block (13) is connected with the inside of the opening (10) in an embedded mode, and the inside of the limiting groove (11) is connected with the sliding block (15) in an embedded mode.

6. The novel internal locking device capable of fixing the telescopic rod as claimed in claim 1, is characterized in that: one side of the limiting block (13) far away from the fixing rod (14) is in contact with the side wall of the first cavity (2).