Rotating and locking structure of tool extension rod handle

Abstract

The utility model relates to the technical field of tool extension rods, and discloses a tool extension rod handle rotating and locking structure which comprises a shell, a rod body is rotatably connected in the shell, a switch button is slidably connected in the shell, a shifting piece is rotatably connected in the shell, and a locking assembly is arranged in the shell. A positioning assembly is arranged in the shell; the locking assembly comprises a locking sleeve and a first locking block, a sliding sleeve is slidably connected to the side wall of the shell, a connecting block is fixedly connected to the inner wall of the sliding sleeve, and the side wall of the locking sleeve is fixedly connected to the side wall of the connecting block. In the utility model, the sliding sleeve slides on the surface of the shell by sliding the sliding sleeve to drive the locking sleeve to slide and extrude the spring, so that the locking block I is separated from the locking sleeve to relieve fixation, at the moment, the rod body can be rotated, the sliding sleeve is loosened, the spring rebounds to push the locking sleeve to enable the locking block to be clamped into the locking sleeve again, and the fixing effect is achieved; through the structure, the use efficiency of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool extension rod technical field especially, relates to a kind of rotation and locking structure of tool extension rod handle. BACKGROUND

[0002] In modern industrial production, construction and household maintenance fields, tool extension rod handle as the key component of promoting tool operation convenience and applicability, plays an important role. It can effectively increase the operation length of tool, so that operator completes work in the area difficult to directly access. Especially in some narrow space, high-altitude operation scene, extension rod handle with rotation and locking function can flexibly adjust tool angle, while keeping stable during work, greatly improve work efficiency and safety. Therefore, design a reliable and easy-to-operate tool extension rod handle rotation and locking structure, become the direction of continuous attention and research in the industry.

[0003] The existing tool extension rod handle rotation and locking structure usually adopts the mechanical mode of bolt and nut combination to realize the fixation and unlocking of handle and rod body. In actual operation, operator needs to use wrench and other auxiliary tools to realize the rotation angle adjustment and locking of handle by tightening or loosening bolt and nut. The technical principle of this structure is to use the friction force generated by the thread cooperation of bolt and nut to tightly connect handle and rod body, so as to limit the rotation of handle. When the angle of handle needs to be adjusted, the friction force constraint is released by loosening bolt and nut, to realize the free rotation of handle.

[0004] The existing tool extension rod handle rotation and locking structure needs to frequently use tool to rotate bolt and nut when rotating and locking, which consumes more time and energy. In some work scenes with high operation efficiency requirements, it seriously affects work progress. Therefore, a kind of rotation and locking structure of tool extension rod handle is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of rotation and locking structure of tool extension rod handle, to improve the problem that bolt and nut need to be frequently rotated by tool when rotating and locking in prior art, which consumes more time and energy and affects work progress.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of rotation and locking structure of tool extension rod handle, including shell, the shell interior is rotatably connected with rod body, the shell interior is slidably connected with switch button, the shell interior is rotatably connected with the tab, the shell interior is provided with locking assembly, the shell interior is provided with positioning assembly;

[0008] The locking assembly comprises a locking sleeve and a locking block one, a sliding sleeve is slidably connected to the side wall of the shell, a connecting block is fixedly connected to the inner wall of the sliding sleeve, the side wall of the connecting block is fixedly connected with the side wall of the locking sleeve, a spring is sleeved on the side wall of the rod body, and the inner wall of the locking block one is fixedly connected to the side wall of the rod body.

[0009] As a further description of the above technical solution:

[0010] The positioning assembly comprises a fixing sleeve and a locking block two, the side wall of the fixing sleeve is fixedly connected to the inside of the shell, the inner wall of the locking block two is fixedly connected to the side wall of the rod body, and the locking block two is consistent with the locking block one in shape.

[0011] As a further description of the above technical solution:

[0012] One end of the spring is fixedly connected to the inside of the shell, and the other end of the spring is fixedly connected to the side wall of the locking sleeve.

[0013] As a further description of the above technical solution:

[0014] The inside of the locking sleeve is consistent in shape with the locking block one, and the side wall of the locking block one is slidably connected to the inside of the locking sleeve.

[0015] As a further description of the above technical solution:

[0016] The side wall of the connecting block is slidably connected to the inside of the shell, and the side wall of the locking sleeve is slidably connected to the inside of the shell.

[0017] As a further description of the above technical solution:

[0018] The inside of the fixing sleeve is provided with a groove, and the inside of the fixing sleeve is fixedly connected with a positioning ring.

[0019] As a further description of the above technical solution:

[0020] The side wall of the positioning ring is formed with a protrusion extending to the surface notch of the locking block two, and the protrusion is clamped in the notch of the locking block two.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a sliding sleeve is made to slide on the surface of the shell, and drives the locking sleeve to slide and extrude the spring simultaneously, makes locking block one and locking sleeve separate and remove the fixed effect, at this moment can rotate the rod body, and the sliding sleeve is released and rebounded through the spring to push the locking sleeve and make locking block re -enter locking sleeve in, reach fixed effect, solve the problem that the handle of part tool extension rod needs to use the tool frequently when rotating locking, consumes more time and energy, in some work scene that the operation efficiency is required higher, seriously influence work progress, improve the use efficiency of equipment through the above -mentioned structure.

[0023] 2. The utility model discloses when the rod body rotates, locking block two also rotates synchronously, and positioning ring will be in turn clamped in the gap of locking block two when rotating each time, and the cooperation of positioning ring and locking block two can assist positioning, ensure that the rod body keeps stable under the specific angle, and provide certain guiding effect for the rotation of the rod body simultaneously, make the rotation process more smooth and accurate. DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic view of the rotation and locking structure of the handle of tool extension rod that the utility model proposes;

[0025] Figure 2 It is the structure schematic view of sliding sleeve of the rotation and locking structure of the handle of tool extension rod that the utility model proposes;

[0026] Figure 3 It is the structure schematic view of the inside of the rod body of the rotation and locking structure of the handle of tool extension rod that the utility model proposes;

[0027] Figure 4 It is the structure schematic view of locking block one of the rotation and locking structure of the handle of tool extension rod that the utility model proposes;

[0028] Figure 5 It is the structure schematic view of the inside of the shell of the rotation and locking structure of the handle of tool extension rod that the utility model proposes.

[0029] Legend:

[0030] 1, shell;2, rod body;3, switch button;4, tab;5, sliding sleeve;6, connecting block;7, locking sleeve;8, spring;9, locking block one;10, fixed sleeve;11, recess;12, locking block two;13, positioning ring. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figures 1-5 The utility model provides a kind of rotation and locking structure of tool extension rod handle, including shell 1, the rod body 2 is rotatably connected in shell 1, the rod body 2 is used to connect tool and transmit operating force, realize the effect of extension operating distance, the rod body 2 is rotatably connected with shell 1, so that the rod body 2 can be adjusted angle relative to shell 1, slidingly connected with switch button 3 in shell 1, switch button 3 is used to assist control the unlocking and locking state of locking assembly, play the effect of improving operating stability and reliability, rotatably connected with the paddle 4 in shell 1, the paddle 4 is used to adjust the damping function when the rod body 2 rotates, realize more accurate rotation operating effect, the rotation feeling and positioning accuracy of rod body 2 can be changed by rotating the paddle 4, locking assembly is provided in shell 1, positioning assembly is provided in shell 1, locking assembly includes locking sleeve 7 and locking block one 9, sliding sleeve 5 is slidably connected on the side wall of shell 1, sliding sleeve 5 is used to slide locking sleeve 7, realize the operation of unlocking and locking, the state of locking assembly can be conveniently controlled by pushing sliding sleeve 5 with finger, connecting block 6 is fixedly connected on the inner wall of sliding sleeve 5, connecting block 6 is used to transmit the movement of sliding sleeve 5 to locking sleeve 7, reach the effect of stably controlling the position of locking sleeve 7, locking sleeve 7 side wall is fixedly connected on the side wall of connecting block 6, spring 8 is sleeved on the side wall of rod body 2, spring 8 is of elastic material, and provides reset force, which is well known, and will not be described here, one end of spring 8 is fixedly connected in shell 1, the other end of spring 8 is fixedly connected on the side wall of locking sleeve 7, spring 8 is used to push locking sleeve 7 back after unlocking operation, realize the effect of automatic locking, locking block one 9 inner wall is fixedly connected on the side wall of rod body 2, the shape of locking sleeve 7 is consistent with the shape of locking block one 9, locking block one 9 side wall is slidably connected in locking sleeve 7, locking block one 9 and locking sleeve 7 cooperate to move clamping and separating, reach the effect of locking or unlocking rod body 2, connecting block 6 side wall is slidably connected in shell 1, locking sleeve 7 side wall is slidably connected in shell 1, ensure that locking sleeve 7 and connecting block 6 can stably slide in shell 1, realize reliable locking and unlocking operation;

[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figures 3-5The positioning assembly comprises a fixing sleeve 10 and a locking block 12, the fixing sleeve 10 is used to provide a mounting base and support for the positioning ring 13, the side wall of the fixing sleeve 10 is fixedly connected in the inside of the shell 1, so that the positioning assembly is stably connected with the shell 1, the locking block 12 is used to cooperate with the positioning ring 13 to realize the positioning of the rotating angle of the rod body 2, so as to limit the rotating position of the rod body 2, the inner wall of the locking block 12 is fixedly connected on the side wall of the rod body 2 and can rotate synchronously with the rod body 2, the locking block 12 is consistent with the locking block 9 in shape, so that the standardization can be realized in the structural design and manufacturing, the production difficulty and cost are reduced, the recess 11 is arranged in the inside of the fixing sleeve 10, the recess 11 is used to provide space for the rotation of the locking block 12, so as to avoid the interference between the locking block 12 and the fixing sleeve 10, so that the smooth rotation of the rod body 2 is ensured, the positioning ring 13 is fixedly connected in the inside of the fixing sleeve 10, the positioning ring 13 is used to position the rotating angle of the rod body 2 and plays a role in controlling the rotating angle of the rod body 2, the side wall of the positioning ring 13 is formed with a protrusion extending to the surface of the locking block 12, the protrusion is clamped in the notch of the locking block 12, the protrusion of the positioning ring 13 cooperates with the notch of the locking block 12 to realize the clamping and separating movement, so that the rod body 2 is positioned at the corresponding angle and kept stable when the rod body 2 rotates to a specific angle.

[0034] Working principle: when the angle of the tool extension rod handle needs to be adjusted, push the sliding sleeve 5, the sliding of the sliding sleeve 5 will drive the locking sleeve 7 to slide inside the shell 1, in the process, the locking sleeve 7 extrudes the spring 8, the spring 8 is deformed by extrusion, with the sliding of the locking sleeve 7, the locking block one 9 originally clamped inside the locking sleeve 7 is separated from the locking sleeve 7, because the shape inside the locking sleeve 7 is consistent with the shape of the locking block one 9, and the locking block one 9 is slidingly connected to the inside of the locking sleeve 7, at this time, the locking block one 9 is no longer limited by the locking sleeve 7, and the rod body 2 is released from the fixed state, at the same time, the switch button 3 can be used as an auxiliary control component, when the switch button 3 is pressed, it slides inside the shell 1, further ensuring that the locking block one 9 is completely separated from the locking sleeve 7, preventing accidental locking during rotation; turn the paddle 4, the paddle 4 rotates inside the shell 1, which can change the rotation damping function of the rod body 2, making the locking of the positioning ring 13 and the locking block two 12 more flexible, so that the rod body 2 can rotate more freely inside the shell 1, realizing the rotation function, when the angle is adjusted to the appropriate angle, release the sliding sleeve 5, the spring 8 rebounds due to its elastic restoring force, pushes the locking sleeve 7 to move to the initial position, until the locking block one 9 is re-clamped into the locking sleeve 7, completing the fixation of the rod body 2, realizing the locking function, in this process, the switch button 3 resets, and the paddle 4 can also be adjusted to the initial state to ensure the stability of the locking, the fixed sleeve 10 is fixedly connected inside the shell 1, during the rotation of the rod body 2, the locking block two 12 fixedly connected to the side wall of the rod body 2 rotates synchronously, the protrusions on the side wall of the positioning ring 13 fixedly connected inside the fixed sleeve 10 will be sequentially clamped into the notches on the surface of the locking block two 12, the recess 11 inside the fixed sleeve 10 provides a certain movement space for the positioning process, through the cooperation of the positioning ring 13 and the locking block two 12, the rod body 2 is auxiliary positioned, so that it can remain stable at a specific angle, providing guidance for the rotation process, ensuring the accuracy and stability of the rotation of the rod body 2.

[0035] Finally, it should be pointed out that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements for some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rotation and locking structure of a tool extension rod handle, comprising a housing (1), characterized in that: The shell (1) is rotatably connected with a rod body (2), the shell (1) is slidably connected with a switch button (3), the shell (1) is rotatably connected with a dial piece (4), the shell (1) is provided with a locking assembly, and the shell (1) is provided with a positioning assembly; The locking assembly comprises a locking sleeve (7) and a locking block (9), the shell (1) is slidably connected with a sliding sleeve (5), the sliding sleeve (5) is fixedly connected with a connecting block (6), the locking sleeve (7) is fixedly connected with the connecting block (6), the rod body (2) is sleeved with a spring (8), and the locking block (9) is fixedly connected with the rod body (2).

2. The rotation and locking structure of a tool extension rod handle according to claim 1, characterized in that: The positioning assembly comprises a fixing sleeve (10) and a locking block (12), the fixing sleeve (10) is fixedly connected with the shell (1), the locking block (12) is fixedly connected with the rod body (2), and the locking block (12) is consistent with the locking block (9).

3. The rotation and locking structure of a tool extension rod handle according to claim 1, characterized in that: One end of the spring (8) is fixedly connected with the shell (1), and the other end of the spring (8) is fixedly connected with the locking sleeve (7).

4. The rotation and locking structure of a tool extension rod handle according to claim 1, wherein: The locking sleeve (7) is consistent with the locking block (9) in shape, and the locking block (9) is slidably connected with the locking sleeve (7).

5. The rotation and locking structure of a tool extension rod handle according to claim 1, characterized in that: The connecting block (6) is slidably connected with the shell (1), and the locking sleeve (7) is slidably connected with the shell (1).

6. The rotation and locking structure of a tool extension rod handle according to claim 2, characterized in that: The fixing sleeve (10) is internally provided with a recess (11), and the fixing sleeve (10) is fixedly connected with a positioning ring (13).

7. The rotation and locking structure of a tool extension rod handle according to claim 6, characterized in that: The positioning ring (13) is provided with a protrusion extending to the surface of the locking block (12), and the protrusion is clamped in the notch of the locking block (12). The positioning ring (13) is provided with a protrusion extending to the surface of the locking block (12), and the protrusion is clamped in the notch of the locking block (12).

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