CN205993813U - Folding pull rod - Google Patents

Abstract

The utility model discloses a kind of folding pull rod, including：Two relative housing pipes for being connected to car body；The central siphon being fixedly connected between two housing pipes, central siphon offer two relative locking holes, and the central shaft of locking hole extends along the length direction of housing pipe；Inside casing pipe, is rotationally connected with central siphon；It is fixedly connected on the handle of inside casing pipe；Lock piece, one end of lock piece are located in handle, are provided with for controlling lock piece to depart from the control piece of locking hole and for driving lock piece when resetting so that the other end of lock piece and the locking spring of locking hole clamping in handle.This kind of folding pull rod simple structure, more reliablely and stablely can carry out locking, in addition, can make one to feel more comfortable in application.

Description

Folding pull rod

Technical field

The utility model is related to articles for daily use field, more particularly to a kind of folding pull rod.

Background technology

Pull bar is the important component part on electronic tri-state car, and current pull bar is usually telescopic lever.In vehicle-state When, pull bar is in retracted state, and when vehicle deformation is for draw-bar box, pull bar can be pulled out or be bounced back, such that it is able to realize electronic three The state of state car changes.

This kind of telescopic lever generally includes pars contractilis and fixed part, and pars contractilis and fixed part are fixed by magnet attraction. However, the adhesive locking of magnet unreliable, even if being subject to less external force, the pars contractilis for stretching out also easily bounces back, and makes pull bar Pull bar extension of the electronic tri-state car of box like state during support row is unstable, or even the hand injury for causing user.

Therefore, how to make the locking of pull bar more reliable and more stable, be the technology that those skilled in the art need to solve at present Problem.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of folding pull rod, and locking is more reliable and more stable.

For achieving the above object, the utility model provides following technical scheme：

A kind of folding pull rod, including：

Two relative housing pipes for being connected to car body；

The central siphon being fixedly connected between two housing pipes, the central siphon offer two relative locking holes, institute The central shaft for stating locking hole extends along the length direction of the housing pipe；

Inside casing pipe, is rotationally connected with the central siphon；

It is fixedly connected on the handle of the inside casing pipe；

Lock piece, one end of the lock piece are provided with the handle for controlling the locking in the handle Part depart from the control piece of the locking hole and for drive when resetting the lock piece so as to the lock piece the other end with The locking spring of the locking hole clamping.

Preferably, also include the locating part for preventing inside casing pipe rotation excessive, the locating part is located at two institutes State between housing pipe, and the central siphon is used between end and the locating part of connection body located at the housing pipe.

Preferably, the locating part is spacing steel wire.

Preferably, two inside casing pipes are oppositely arranged, and are provided with for plugging the logical of the lock piece in the inside casing pipe Hole.

Preferably, the lock piece is the U-shaped part for being inserted in the handle and the inside casing pipe.

Preferably, the lock piece is steel wire.

Preferably, the control piece is the button for protruding from the handle, and the button is connected respectively with the locking spring It is connected to the both sides of the lock piece.

The folding pull rod that the utility model is provided includes housing pipe, central siphon, inside casing pipe, handle and lock piece, by locking The control that spring and control piece are moved to lock piece, it is possible to achieve lock piece is positioned with the cooperation of locking hole, so as to realize pull bar Locking, simple structure, can more reliablely and stablely carry out locking；In addition, when this kind of folding pull rod folding gathering is got up, folding Folded pull bar can obtain compacter profile, upon deployment, pull bar can be caused to lengthen, and people is hauled without bending over or excessively curved Waist, makes one to feel more comfortable.

Description of the drawings

In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing for providing.

Fig. 1 provides the specific embodiment of folding pull rod structural representation in a folded configuration by the utility model；

Fig. 2 provides the specific embodiment of folding pull rod side view in a folded configuration by the utility model；

Fig. 3 provides the specific embodiment of folding pull rod structural representation in the deployed state by the utility model；

Fig. 4 provides the specific embodiment of folding pull rod side view in the deployed state by the utility model；

Fig. 5 provides the specific embodiment of folding pull rod when electronic tri-state car is applied in pull bar by the utility model The structural representation under folding pull rod folded state during box like state；

Fig. 6 provides the specific embodiment of folding pull rod when electronic tri-state car is applied in pull bar by the utility model The structural representation under folding pull rod deployed condition during box like state.

In Fig. 1 to Fig. 6,1 is housing pipe, and 2 is inside casing pipe, and 3 is axle sleeve, and 4 is locating part, and 5 is central siphon, and 6 is control piece, 7 For lock piece, 8 is locking spring, and 9 is handle, and 10 is locking hole.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Core of the present utility model is to provide a kind of folding pull rod, and locking is more reliable and more stable.

Refer to specific embodiment that Fig. 1 to Fig. 6, Fig. 1 provide folding pull rod by the utility model in a folded configuration Structural representation；Fig. 2 provides the specific embodiment of folding pull rod side view in a folded configuration by the utility model；Figure 3 provide the specific embodiment of folding pull rod structural representation in the deployed state by the utility model；Fig. 4 is that this practicality is new The specific embodiment of the provided folding pull rod of type side view in the deployed state；Fig. 5 provides folding by the utility model and draws The specific embodiment of bar when electronic tri-state car is applied in draw-bar box state when folding pull rod folded state under structure Schematic diagram；Fig. 6 provides the specific embodiment of folding pull rod when electronic tri-state car is applied in pull bar by the utility model The structural representation under folding pull rod deployed condition during box like state.

In a kind of specific embodiment of the provided folding pull rod of the utility model, including housing pipe 1, central siphon 5, inside casing pipe 2, Handle 9 and lock piece 7.Wherein, two housing pipes 1 are oppositely arranged, for connection body；Central siphon 5 is fixedly connected on two housings Between pipe 1, central siphon 5 offers two relative locking holes 10, and the central shaft of locking hole 10 prolongs along the length direction of housing pipe 1 Stretch；Inside casing pipe 2 is rotatably connected on central siphon 5, and inside casing pipe 2 can be around the central axis of central siphon 5；In handle 9 is fixedly connected on On frame pipe 2；One end of lock piece 7 is arranged in handle 9, and the other end is arranged at central siphon 5, arranges control piece 6 and lock in handle 9 Only spring 8, control piece 6 can control lock piece 7 to depart from locking hole 10, so that inside casing pipe 2 is rotated around central siphon 5, now locking 8 stress deformation of spring, when the control to control piece 6 is released, locking spring 8 resets, and locking spring 8 drives 7 direction of lock piece Central siphon 5 is moved, so as to the other end and 10 clamping of locking hole of lock piece 7.Specifically, when folding pull rod is in folded state, make User can hold handle 9, and control control piece 6, so that lock piece 7 is separated with locking hole 10, in lock piece 7 and locking hole 10 After completely disengaging from, drag inside casing pipe 2 and rotate around central siphon 5, elastic force phase is aligned and rely on up to lock piece 7 with another locking hole 10 Grafting and lock, now folding pull rod is in deployed condition, and user advantageously tow handle 9 can move ahead.Of the present utility model Folding pull rod is mainly used in electronic tri-state car, it is of course also possible to be applied in draw-bar box or other devices.

It can be seen that, the control that this kind of folding pull rod is moved to lock piece 7 by locking spring 8 and control piece 6, it is possible to achieve lock Stop member 7 is positioned with the cooperation of locking hole 10, so as to realize the locking of pull bar, simple structure, and more reliablely and stablely can carry out Locking；In addition, when this kind of folding pull rod folding gathering is got up, folding pull rod can obtain compacter profile, and upon deployment, can So that pull bar is lengthened, people hauls without bending over or excessively bending over, makes one to feel more comfortable.

In above-described embodiment, can also include in folding pull rod for preventing inside casing pipe 2 from rotating excessive locating part 4, limit Position part 4 is arranged between two housing pipes 1, and central siphon 5 be arranged on housing pipe 1 for connection body end and locating part 4 it Between.Locking could be realized after only aligning with locking hole 10 due to lock piece 7, and the area of locking hole 10 may be less, lock Only hole 10 is more inconvenient with aliging for locking element, and the setting of locating part 4 can be limited to lock piece 7 more conveniently Position；Meanwhile, when being arranged on folding pull rod on electronic tri-state car, when electronic tri-state car is in the folding pull rod in draw-bar box state During deployed condition, inside casing pipe 2 can be positioned close to the side on ground, and locating part 4 can be arranged far from the side on ground, limit Position part 4 can be played a supporting role to inside casing pipe 2, be conducive to extending the service life of folding pull rod.

Specifically, locating part 4 can be spacing steel wire, and service life is longer.Certainly, locating part 4 can also for rod or Its locating part 4 of person.

In each embodiment above-mentioned, inside casing pipe 2 can have multiple position relationships with lock piece 7.For example, inside casing pipe 2 and lock Stop member 7 can be one, and be set in parallel between handle 9 and central siphon 5, arrange simply, but stability may be poor.One Plant in preferred embodiment, two inside casing pipes 2 can be oppositely arranged, and can be provided for plugging lock piece 7 in inside casing pipe 2 Through hole, while central siphon 5 is ensured with inside casing 2 stable connection of pipe, can limit the moving direction of lock piece 7, it is ensured that locking control The reliability of system.

In above-described embodiment, lock piece 7 can be the U-shaped part for being inserted in handle 9 and inside casing pipe 2, that is to say, that locking Part 7 includes to be connected and is connected into the first bar, the second bar and the 3rd bar of U-shaped, and the first bar is relative with the 3rd bar and is divided in two In frame pipe 2, the second bar is connected between the first bar and the 3rd bar and is arranged in handle 9, is conducive to improving locking reliability.Again Or, lock piece 7 can be two L-shaped bars, and two L-shaped bars are inserted in respectively in handle 9 and an inside casing pipe 2, in order to pacify Dress.Certainly, the set-up mode of lock piece 7 is not limited to each embodiment above-mentioned.

In each embodiment above-mentioned, lock piece 7 is specifically as follows steel wire, better mechanical property, and is conducive to cost-effective. Certainly, lock piece 7 can also be highstrenghtpiston's bar, rod or other lock pieces 7.

In each embodiment above-mentioned, control piece 6 can be the button for protruding from handle 9, and button is connected respectively with locking spring 8 It is connected to the both sides of lock piece 7.When button press, lock piece 7 is as button is away from central siphon 5,8 elastic deformation of locking spring, pine Button is driven, locking spring 8 resets and drives lock piece 7 to move towards central siphon 5, easy to control.Specifically, locking spring 8 is permissible For compressing locking spring 8, it is easy to arrange.Certainly, the set-up mode not limited to this of control piece 6, for example, control piece 6 can also be Knob, controls the relative movement of pull bar by turn knob.

In each embodiment above-mentioned, the end of inside casing pipe 2 can arrange axle sleeve 3, in order to realize inside casing pipe 2 and central siphon 5 Rotation connection.

In each embodiment above-mentioned, central siphon 5 can be arranged on the one end on housing pipe 1 away from 1 connection body of housing pipe, There are enough space developments or folding with guarantee inside casing pipe 2.Certainly, the set location not limited to this of central siphon 5.

In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

Above folding pull rod provided by the utility model is described in detail.Specific case pair used herein Principle of the present utility model and embodiment are set forth, and the explanation of above example is only intended to help and understands that this practicality is new The method and its core concept of type.It should be pointed out that for those skilled in the art, without departing from this practicality On the premise of new principle, some improvement and modification can also be carried out to the utility model, these improve and modification also falls into this In the protection domain that utility model right is required.

Claims (7)

1. a kind of folding pull rod, it is characterised in that include：

Two relative housing pipes (1) for being connected to car body；

The central siphon (5) being fixedly connected between two housing pipe (1), central siphon (5) offer two relative lockings Hole (10), the length direction of the central shaft of locking hole (10) along housing pipe (1) extend；

Inside casing pipe (2), is rotationally connected with the central siphon (5)；

It is fixedly connected on the handle (9) of inside casing pipe (2)；

Lock piece (7), the one end of lock piece (7) are provided with for controlling in handle (9) in handle (9) Described lock piece (7) depart from locking hole (10) control piece (6) and be used for reset when drive the lock piece (7) so as to The locking spring (8) of the other end of lock piece (7) and the locking hole (10) clamping.

2. folding pull rod according to claim 1, it is characterised in that also include for preventing described inside casing pipe (2) to rotate Excessive locating part (4), described locating part (4) are between two housing pipe (1), and the central siphon (5) is located at described Housing pipe (1) is used between the end of connection body and the locating part (4).

3. folding pull rod according to claim 2, it is characterised in that described locating part (4) are spacing steel wire.

4. folding pull rod according to claim 2, it is characterised in that two inside casing pipe (2) are oppositely arranged, described interior The through hole being provided with frame pipe (2) for plugging the lock piece (7).

5. folding pull rod according to claim 4, it is characterised in that described lock piece (7) are for being inserted in the handle (9) U-shaped part with inside casing pipe (2).

6. folding pull rod according to claim 5, it is characterised in that described lock piece (7) are steel wire.

7. the folding pull rod according to claim 1 to 6 any one, it is characterised in that described control piece (6) are for protruding from The button of handle (9), the button are connected to the both sides of the lock piece (7) with locking spring (8).