CN214980796U

CN214980796U - Telescopic handle

Info

Publication number: CN214980796U
Application number: CN202120472510.4U
Authority: CN
Inventors: 李钢; 方进
Original assignee: Suzhou Jinshan Electric Tool Co ltd
Current assignee: Suzhou Jinshan Electric Tool Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-03
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a telescopic handle relates to electric tool technical field, and its technical scheme main points are: including the handle, the one end sliding connection of handle has stretch switch, be provided with on the handle can with the fixed cassette of stretch switch screens, the other end fixedly connected with adapter sleeve of handle, the cavity of mutual intercommunication is seted up to the inside of adapter sleeve and handle, sliding connection has flexible aluminum pipe in the cavity, the spout has been seted up on the inside wall of adapter sleeve, sliding connection has telescopic switch in the spout, be provided with flexible steel ball between telescopic switch and the flexible aluminum pipe, the last recess and recess that has seted up of flexible aluminum pipe, last being provided with of telescopic switch can impressing flexible steel ball recess or from the recess concave-convex part that loosens, stretch switch connects in telescopic switch through tensile steel wire transmission. The utility model discloses can realize freely stretching out and drawing back of handle to flexible aluminum pipe is difficult to take place freely to remove in the use, has better stability, can improve the security of using.

Description

Telescopic handle

Technical Field

The utility model relates to an electric tool technical field, more specifically say, it relates to a telescopic handle.

Background

At present, all be provided with the handle in daily production, the life on many common tools, the handle sets up length according to the needs of using under the normal condition, when the longer handle of needs when using, corresponding length just must be set to the length of handle usually, but this has also brought a problem, is exactly the length overlength of handle, and is inconvenient when accomodating, therefore people also provide some telescopic handles.

However, after the automatic telescopic handles of some electric tools on the market are completely telescopic, the situation that the machine accidentally injures a user due to unstable fixation easily occurs when the telescopic rod and the telescopic sleeve are fixed.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a telescopic handle can realize freely stretching out and drawing back of handle to flexible aluminum pipe is difficult to take place freely to remove in the use, has better stability, can improve the security of using.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a telescopic handle, includes the handle, the one end sliding connection of handle has stretch switch, be provided with on the handle can with the fixed cassette of stretch switch screens, the other end fixedly connected with adapter sleeve of handle, the cavity of mutual intercommunication is seted up to the inside of adapter sleeve and handle, sliding connection has flexible aluminum pipe in the cavity, the spout has been seted up on the inside wall of adapter sleeve, sliding connection has telescopic switch in the spout, be provided with flexible steel ball between telescopic switch and the flexible aluminum pipe, set up flutedly on the flexible aluminum pipe, last being provided with of telescopic switch can be impressed flexible steel ball recess or from the concave-convex part that the recess loosened, stretch switch connects in telescopic switch through tensile steel wire transmission.

The utility model discloses further set up to: the handle including be located the stretch switch one end grip the handle and with grip handle fixed connection's connecting rod, cassette fixed connection is on gripping the inside wall of handle, last fixedly connected with of stretch switch can with the buckle of cassette lock.

Through adopting above-mentioned technical scheme, through the setting of buckle and cassette, when extension switch is fixed by the card position, extension switch does not have the surplus of free activity to effectively prevent the risk that flexible steel pearl is opened by automatic top.

The utility model discloses further set up to: a first return spring is fixedly connected between the telescopic switch and the handle.

Through adopting above-mentioned technical scheme, during the non-operating condition, first reset spring removes extending switch to the direction of keeping away from extending switch to make extending switch not contradict with flexible steel ball, can make things convenient for the free flexible of flexible aluminum pipe.

The utility model discloses further set up to: and a second return spring is fixedly connected between the extension switch and the handle.

By adopting the technical scheme, the free telescopic sensitivity of the telescopic aluminum tube can be further improved.

The utility model discloses further set up to: the connecting sleeve is internally provided with a limiting block, the outer side wall of the telescopic aluminum pipe is provided with a limiting groove, and the telescopic aluminum pipe is connected to the limiting block through the limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, through the setting of spacing groove and stopper, in the use, the flexible aluminum pipe is difficult to take place axial rotation to the stability that flexible aluminum pipe and handle are connected has been improved.

To sum up, the utility model discloses following beneficial effect has: when the telescopic aluminum tube is required to be stretched in the handle, the stretching switch is released from the clamping seat, the concave part of the telescopic switch is aligned to the groove of the telescopic aluminum tube under the action of the first reset spring and the second reset spring, and the telescopic steel ball can be pushed out from the groove to the concave part in the stretching process, the expansion of the expansion aluminum pipe is not interfered.

Drawings

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

fig. 2 is an exploded perspective view of the present invention.

In the figure: 1. a handle; 2. a telescopic aluminum tube; 3. connecting sleeves; 4. a telescopic switch; 5. telescopic steel balls; 6. A first return spring; 7. a stretch switch; 8. a second return spring; 9. the steel wire is drawn.

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.

As shown in fig. 1-2, a telescopic handle comprises a handle 1, a stretching switch 7 is slidably connected to one end of the handle 1, a clamping seat which can be clamped and fixed with the stretching switch 7 is arranged on the handle 1, the other end of the handle 1 is fixedly connected with a connecting sleeve 3, the connecting sleeve 3 and the handle 1 are internally provided with cavities which are communicated with each other, a telescopic aluminum pipe 2 is connected in the cavities in a sliding way, a sliding groove is arranged on the inner side wall of the connecting sleeve 3, a telescopic switch 4 is connected in the sliding groove in a sliding way, a telescopic steel ball 5 is arranged between the telescopic switch 4 and the telescopic aluminum tube 2, a groove is arranged on the telescopic aluminum tube 2, the telescopic switch 4 is provided with a concave-convex part which can press the telescopic steel ball 5 into the groove or loosen the telescopic steel ball from the groove, and the extension switch 7 is connected with the telescopic switch 4 through an extension steel wire 9 in a transmission way.

On the basis, handle 1 including be located the handle of gripping of extension switch 7 one end and with the connecting rod of gripping handle fixed connection, cassette fixed connection is on the inside wall of gripping the handle, extension switch 7 goes up fixedly connected with and the buckle that can the cassette lock, through the setting of buckle and cassette, when extension switch 7 is fixed by the card position, extension switch 4 does not have free activity's surplus to effectively prevent the risk of flexible steel ball 5 by automatic overhead opening.

On the basis, the first reset spring 6 of fixedly connected with between telescopic switch 4 and the handle 1, during the non-operating condition, first reset spring 6 removes telescopic switch 4 to the direction of keeping away from extension switch 7 to make extension switch 7 not contradict with flexible steel ball 5, can make things convenient for the free flexible of flexible aluminum pipe 2.

On the basis, a second return spring 8 is fixedly connected between the extension switch 7 and the handle 1, and the second return spring 8 can further improve the free telescopic sensitivity of the telescopic aluminum tube 2.

On the basis, be provided with the stopper in the adapter sleeve 3, be provided with the spacing groove on the lateral wall of flexible aluminum pipe 2, flexible aluminum pipe 2 passes through spacing groove sliding connection on the stopper, through the setting of spacing groove and stopper, in the use, flexible aluminum pipe 2 is difficult to take place axial rotation to the stability that flexible aluminum pipe 2 is connected with handle 1 has been improved.

The basic working principle is as follows: when the telescopic aluminum tube is used, the extension switch 7 is pulled, the extension steel wire 9 drives the telescopic switch 4 to move towards the direction of the holding handle, the telescopic steel ball 5 is pressed into the groove of the telescopic aluminum tube 2 by the convex part on the telescopic switch 4, the extension switch 7 is fixed on the clamping seat by the clamping position, the telescopic switch 4 has no free movement allowance, so that the risk that the telescopic steel ball 5 is automatically jacked is effectively prevented, the condition that a user is accidentally injured by a machine due to the free sliding of the telescopic aluminum tube 2 when the machine is started is avoided, the telescopic aluminum tube 2 is fixed with the handle 1, the stability is good, the use safety can be improved, when the telescopic aluminum tube 2 needs to be telescopic in the handle 1, the extension switch 7 is released from the clamping seat, under the acting force of the first return spring 6 and the second return spring 8, the concave part of the telescopic switch 4 is aligned with the groove of the telescopic aluminum tube 2, in the telescopic process, the telescopic steel balls 5 can be jacked open from the groove to the concave part, and the telescopic aluminum pipe 2 cannot be interfered.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A telescopic handle, comprising a handle (1), characterized in that: one end of the handle (1) is connected with a stretching switch (7) in a sliding way, a clamping seat which can be clamped and fixed with the stretching switch (7) is arranged on the handle (1), the other end of the handle (1) is fixedly connected with a connecting sleeve (3), cavities which are communicated with each other are arranged inside the connecting sleeve (3) and the handle (1), a telescopic aluminum pipe (2) is connected in the cavity in a sliding way, a sliding groove is arranged on the inner side wall of the connecting sleeve (3), a telescopic switch (4) is connected in the sliding groove in a sliding way, a telescopic steel ball (5) is arranged between the telescopic switch (4) and the telescopic aluminum pipe (2), a groove is arranged on the telescopic aluminum pipe (2), a concave-convex part which can press the telescopic steel ball (5) into the groove or loosen the telescopic steel ball from the groove is arranged on the telescopic switch (4), the stretching switch (7) is connected to the telescopic switch (4) through a stretching steel wire (9) in a transmission mode.

2. A telescopic handle according to claim 1, characterized in that: handle (1) including be located tensile switch (7) one end grip the handle and with grip handle fixed connection's connecting rod, cassette fixed connection is on gripping the inside wall of handle, on tensile switch (7) fixedly connected with can with the buckle of cassette lock.

3. A telescopic handle according to claim 1, characterized in that: a first return spring (6) is fixedly connected between the telescopic switch (4) and the handle (1).

4. A telescopic handle according to claim 1, characterized in that: and a second reset spring (8) is fixedly connected between the extension switch (7) and the handle (1).

5. A telescopic handle according to claim 1, characterized in that: the connecting sleeve is characterized in that a limiting block is arranged in the connecting sleeve (3), a limiting groove is formed in the outer side wall of the telescopic aluminum pipe (2), and the telescopic aluminum pipe (2) is connected to the limiting block in a sliding mode through the limiting groove.