Rotary telescopic lock catch mechanism

Abstract

The utility model discloses a rotary telescopic lock catch mechanism in the technical field of lock catch mechanisms, which comprises a fixed block and a connecting block, the fixed block is fixedly connected with the connecting block, a part body is connected onto the connecting block in a sliding manner, a lock pin is arranged on the fixed block, a button is rotatably connected onto the fixed block, and the lock pin is connected with the button. The lock pin and the button are arranged in a matched mode, the outer side of the lock pin is sleeved with a spring, a rotating shaft is arranged between the fixing block and the button, a shifting block is arranged on the button, and an anti-skid pad is arranged on the shifting block. By arranging the fixing block, the button, the lock pin and other structures, during use, the button is pressed, the button rotates through the rotating shaft, the lock pin is driven by the progress groove to do up-and-down telescopic motion in the connecting hole of the connecting block and is matched with the mounting hole of the part body, operation is simple, locking or loosening can be achieved only by rotating the button, and use is convenient. Therefore, the use efficiency is improved, and the possibility of misoperation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock catch mechanism technical field, especially relates to a rotary telescopic lock catch mechanism. BACKGROUND

[0002] Telescopic lock catch mechanism, also commonly known as "telescopic rod locking mechanism" or "telescopic rod locking device", is a device that allows users to flexibly adjust the length of telescopic rod as needed and ensures the stability of the rod after adjustment through the lock catch mechanism, and is widely used in various length-adjustable equipment. Its main function is to lock or lock the telescopic rod after adjusting to the required length through some mechanism to ensure its stability and safety.

[0003] The structure of telescopic lock catch mechanism may vary depending on the application field, but generally includes the following key parts: first body: usually provided with a sliding cavity for accommodating one end of the second body and providing a sliding track for it; Second body: slidably arranged in the sliding cavity of the first body, which is the main part of the telescopic rod; Sliding part: slidingly connected with the first body, used to control the opening and closing of the lock catch mechanism; Stopper: arranged in the sliding cavity and linked with the sliding part, used to lock or unlock the second body.

[0004] However, the existing technology has some problems: the traditional lock pin usually adopts the way of fixing by using a snap ring or a buckle, which is relatively complex to operate, and the user needs to try several times to successfully lock or release, which also increases the risk of misoperation, and the cylindrical lock pin is prone to gap when cooperating and shaking. Therefore, we propose a rotary telescopic lock catch mechanism. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a rotary telescopic lock catch mechanism, which uses the process groove to pull the position of the lock pin through the rotary button to perform locking and releasing operation, which is simple to operate and convenient to use. And when the conical lock pin is cooperating, the contact area between the lock pin and the mounting hole gradually increases due to the taper, thereby generating a self-locking effect.

[0006] The utility model discloses a rotary telescopic lock catch mechanism, including fixed block and connecting block, the fixed block is connected with connecting block fixedly, the connecting block is slidably connected with the part body, the fixed block is provided with the lock pin, the fixed block is rotatably connected with the button, the lock pin is arranged in button cooperation, the outside of the lock pin is equipped with the spring, the fixed block and button between being provided with the pivot, the button is provided with the shift block, the shift block is provided with the antiskid pad.

[0007] Optionally, a limiting hole is formed in the fixed block, a connecting hole is formed in the connecting block, an installation hole is formed in the part body, the locking pin is inserted into the limiting hole, the locking pin penetrates the connecting hole, and the locking pin is inserted into the installation hole.

[0008] Optionally, an avoiding hole is formed in the fixed block, the rotating shaft is inserted into the avoiding hole, and the rotating shaft penetrates the fixed block and the button.

[0009] Optionally, a stud is arranged on the rotating shaft, annular grooves are formed at two ends of the rotating shaft, and buckles are arranged in the annular grooves.

[0010] Optionally, the locking pin comprises a taper head and a fixed pin, the taper head is arranged correspondingly to the installation hole, the fixed pin is arranged correspondingly to the limiting hole, a connecting rod is arranged between the taper head and the fixed pin, and limiting rods are arranged on two sides of the fixed pin.

[0011] Optionally, a process groove is formed in the button, idle cavities are formed on two sides of the process groove, and the two limiting rods are movable in the process groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. By arranging the fixed block, the button and the locking pin, when in use, the button is pressed, the button is rotated through the rotating shaft, the locking pin is driven to perform up-down telescopic movement in the connecting hole of the connecting block through the process groove, and is matched with the installation hole of the part body, the operation is simple, and only the button needs to be rotated to realize locking or loosening, so that the use efficiency is improved, and the possibility of misoperation is reduced.

[0014] 2. The top of the locking pin is arranged as a taper head, and is arranged correspondingly to the installation hole of the part body, so that zero-gap matching is realized, the locking pin is prevented from shaking when being matched with the part body, the fixed pin arranged at the lower end of the locking pin is matched with the limiting hole of the fixed block, the locking pin is prevented from being twisted to cause poor telescopic movement in the telescopic process, and the locking pin is matched with the fixed seat to prevent twisting. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without paying creative labor.

[0016] Figure 1 It is the overall structure schematic diagram provided by the utility model;

[0017] Figure 2It is the fixed block structure schematic view provided by the utility model,

[0018] Figure 3 It is the fixed block structure schematic view provided by the utility model, Figure 3 The A part enlarged schematic view of,

[0019] Figure 4 It is the fixed block structure schematic view provided by the utility model,

[0020] Figure 5 It is the fixed block structure schematic view provided by the utility model,

[0021] Figure 6 It is the fixed block structure schematic view provided by the utility model,

[0022] In the drawing: 1, fixed block;11, connecting block;12, part body;13, connecting hole;14, mounting hole;2, button;21, limiting hole;22, avoiding hole;23, progress slot;24, idle travel cavity;3, lock pin;31, connecting rod;32, fixed pin;33, limiting rod;34, taper head;35, spring;4, rotating shaft;41, stud;42, annular groove;43, buckle;5, push block;51, non-slip pad. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] As Figures 1 to 6 The utility model discloses a kind of rotary telescopic lock catch mechanisms, including fixed block 1 and connecting block 11, fixed block 1 is fixedly connected with connecting block 11, connecting block 11 is slidably connected with part body 12, fixed block 1 is provided with lock pin 3, fixed block 1 is rotatably connected with button 2, lock pin 3 is cooperatively arranged with button 2, spring 35 is sleeved on the outside of lock pin 3, rotating shaft 4 is arranged between fixed block 1 and button 2, button 2 is provided with push block 5, push block 5 is provided with non-slip pad 51.

[0025] Further, the stable connection of the fixed block 1 and the connecting block 11 ensures the basic stability of the mechanism, the matching design of the locking pin 3 and the button 2 makes the locking operation simple and fast, and the addition of the spring 35 enhances the reliability and automatic reset function of the locking. The setting of the rotating shaft 4 ensures that the button 2 can rotate smoothly, and the provision of the dial block 5 and the non-slip pad 51 further improves the convenience and comfort of user operation, effectively preventing misoperation and sliding. The overall structure is compact and fully functional, and is suitable for various occasions that require locking connection.

[0026] Specifically, the fixed block 1 is provided with a limiting hole 21, the connecting block 11 is provided with a connecting hole 13, and the part body 12 is provided with a mounting hole 14. The locking pin 3 is inserted into the limiting hole 21, the connecting hole 13 and the mounting hole 14. The locking pin 3 includes a tapered head 34 and a fixed pin 32. The tapered head 34 is arranged corresponding to the mounting hole 14, and the fixed pin 32 is arranged corresponding to the limiting hole 21.

[0027] Further, the top of the locking pin 3 is provided with the tapered head 34, which is arranged corresponding to the mounting hole 14 on the part body 12, so as to realize zero-gap cooperation and prevent the locking pin 3 from shaking when cooperating with the part body 12. The fixed pin 32 at the lower end of the locking pin 3 cooperates with the limiting hole 21 on the fixed block 1 to prevent the locking pin 3 from twisting during extension and retraction, causing extension and retraction to be difficult.

[0028] It should be noted that the fixed pin 32 is flattened, so that the two sides of the cylindrical pin body form platforms. On the one hand, the platforms are used to set limiting pins, and on the other hand, the limiting pins form edges to prevent the fixed pin 32 from twisting during extension and retraction

[0029] Specifically, the fixed block 1 is provided with an avoiding hole 22, the rotating shaft 4 is inserted into the avoiding hole 22, and the rotating shaft 4 penetrates the fixed block 1 and the button 2. The rotating shaft 4 is provided with a stud 41, and the two ends of the rotating shaft 4 are provided with annular grooves 42. The annular grooves 42 are provided with buckles 43.

[0030] Further, during use, the button 2 is aligned with the avoiding hole 22 on the fixed block 1, the rotating shaft 4 is inserted into the avoiding hole 22 and penetrates the button 2, and the rotating shaft 4 is fixed by the buckle 43 to prevent the button 2 from falling off during rotation, greatly enhancing the reliability and safety of the mechanism and simplifying the installation process.

[0031] Specifically, a connecting rod 31 is arranged between the tapered head 34 and the fixed pin 32, limiting rods 33 are arranged on both sides of the fixed pin 32, a progress groove 23 is arranged on the button 2, air chambers 24 are formed on both sides of the progress groove 23, and the two limiting rods 33 are movable in the progress groove 23.

[0032] Further, when the button 2 rotates, the limit rod 33 is driven to move up and down through the profile of the process groove 23, so as to drive the locking pin 3 to move, and the two sides of the process groove 23 are provided with the idle cavity 24 for preventing the locking pin 3 from being pressed down when it does not enter the installation hole 14, so as to cause the damage of the parts.

[0033] Working principle: when in use, the button 2 is pressed, the button 2 is rotated through the rotating shaft 4, the locking pin 3 is driven to perform the up and down telescopic movement in the connecting hole 13 of the connecting block 11 through the process groove 23, and is matched with the installation hole 14 of the part body 12, the operation is simple, only the rotation of the button 2 is needed to realize the locking or loosening, so as to improve the use efficiency and reduce the possibility of misoperation.

[0034] The above embodiment is only used for helping to understand the method and the core idea of the utility model. It should be pointed out that for the ordinary skilled person in the art, without departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A rotary telescopic locking mechanism, comprising a fixed block (1) and a connecting block (11), characterized in that: The fixing block (1) is fixedly connected to the connecting block (11). A part body (12) is slidably connected to the connecting block (11). A locking pin (3) is provided on the fixing block (1). A button (2) is rotatably connected to the fixing block (1). The locking pin (3) is configured to cooperate with the button (2). A spring (35) is sleeved on the outside of the locking pin (3). A rotating shaft (4) is provided between the fixing block (1) and the button (2). A toggle block (5) is provided on the button (2). An anti-slip pad (51) is provided on the toggle block (5).

2. The rotary telescopic locking mechanism according to claim 1, characterized in that: The fixing block (1) has a limiting hole (21), the connecting block (11) has a connecting hole (13), the part body (12) has an installation hole (14), the locking pin (3) is inserted into the limiting hole (21), the locking pin (3) passes through the connecting hole (13), and the locking pin (3) is inserted into the installation hole (14).

3. The rotary telescopic locking mechanism according to claim 1, characterized in that: The fixing block (1) has a clearance hole (22), the rotating shaft (4) is inserted into the clearance hole (22), and the rotating shaft (4) passes through the fixing block (1) and the button (2).

4. The rotary telescopic locking mechanism according to claim 3, characterized in that: The rotating shaft (4) is provided with a column head (41), and the two ends of the rotating shaft (4) are provided with annular grooves (42), and the annular grooves (42) are provided with buckles (43).

5. The rotary telescopic locking mechanism according to claim 1, characterized in that: The locking pin (3) includes a cone (34) and a fixing pin (32). The cone (34) is correspondingly provided with the mounting hole (14), and the fixing pin (32) is correspondingly provided with the limiting hole (21). A connecting rod (31) is provided between the cone (34) and the fixing pin (32), and limiting rods (33) are provided on both sides of the fixing pin (32).

6. The rotary telescopic locking mechanism according to claim 5, characterized in that: The button (2) has a process slot (23), and two idle cavities (24) are formed on both sides of the process slot (23). The two limit rods (33) move within the process slot (23).

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