CN103787223B

CN103787223B - Dead-man's handle extended structure

Info

Publication number: CN103787223B
Application number: CN201210426233.9A
Authority: CN
Inventors: 葛振红; 许乃江; 刘名
Original assignee: Ford Global Technologies LLC
Current assignee: Ford Global Technologies LLC
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2017-10-24
Anticipated expiration: 2032-10-30
Also published as: CN103787223A

Abstract

A kind of foldable handle, including main body, extension rod and button.Main body has the first ears, the second ears and the boss with the first groove formed on the first ears.Extension rod has third ear shape part to be pivotally connected to boss, and with the second groove formed in third ear shape part.Button has projection, and it engages to lock in position main body and extension rod and with the groove depart to unlock main body and extension rod with the first and second grooves.Button extends through boss in assembling.

Description

Dead-man's handle extended structure

Technical field

The present invention relates to foldable handle, there is position lock function more particularly, to for Vehicle jack Handle extended structure.

Background technology

Foldable handle would generally be seen in Vehicle jack device or tool box.Can be in view of foldable handle Rotated when using along the tie point between handle arms, preferably having for this handle can after extension will be foldable Lock function of the handle locking in fixed position.

United States Patent (USP) US7237463B1 discloses a kind of flexible spanner, and it includes handle, head and pivot.Pivot can The ears of head and handle are movably inserted to be pivotally connected both.Pivot includes multiple to engage with the tooth of ears Tooth, firmly to keep the angle between head and ears, and is separated so that between head and handle with the tooth on head Angle can change.Similarly, United States Patent (USP) US2008196559A1 discloses a kind of multipurpose driving instrument.The instrument includes First end with the fastener drive shell device for accommodating fastener driving gear, with for accommodate function-driven dress Put or functional accessory tool housing device the second end and positioning between the first end and a second end between pivotal point；Wherein, First end and the second end can be pivoted relative to each other.

However, present inventors have realized that the shortcoming of these flexible spanners.For example, this design needs are independent With rigid pivot pin to be pivotally connected to head and handle.In addition, this design needs the ears on head to have and handle The distance between two ears identical width, this wastes metal material very much.The invention of applicant aims to solve the problem that above-mentioned Problem and the other problemses summarized as follows.

The content of the invention

It is an object of the invention to provide a kind of simple handle extended structure with position lock function.According to the present invention One side, a kind of foldable handle includes：Main body, with the first and second ears and including being formed in the first ear The pin of the first groove on part；Extension rod, with the third ear shape part and formation for being pivotally connected to pin in third ear shape part The second groove；And button, extend through pin and with projection, the projection is engaged with the first and second grooves with by handle master Body and extension rod locking are in position and with two grooves disengagings with release lever main body and extension rod.

According to another aspect of the present invention, the third ear shape part of extension rod can have the 4th groove formed therein, the The angle of four grooves and in 90 ° to 150 ° of second groove, to be kept between foldable handle in operation or when rotating More spaces.On the contrary, pin can have the 3rd groove being formed thereon, the 3rd groove and first groove are in 90 ° extremely 150 ° of angle, to keep the relevant position between handle main body and extension rod.In a preferred embodiment, first and the 3rd groove And second and the 4th central angle between groove between 105 ° to 120 °.

According to another aspect of the invention, extension rod can have the 4th ears with the second ears of handle main body to connect Connect.Second ears can have the second pin to be pivotally connected with the 4th ears.In this way, handle main body and extension rod Between rotation can be supported by two pins, so as to provide more stable be pivotally connected.

According to another aspect of the invention, button can have U-shaped elastic clip.4th ears, which can have, to be used for U-shaped bullet Property folder the groove that is inserted of free end.

According to another aspect of the invention, button can have the spring as clamper.Second pin of the second ears can With the hole for spring to be fixed therein.In a preferred embodiment, spring can be integrated in button and be pressed with forming integral type Button.

According to another aspect of the invention, handle main body can have is used to incite somebody to action when foldable handle is in its folding position The groove that extension rod is placed in one.

It is according to the advantage of the foldable handle of the present invention, handle main body and extension rod are pivotally connected without any tight Firmware or button, and button is used only as locking device.Button and the whole connection for not extending across handle main body and extension rod Part, and the pivot pin of handle main body and extension rod need not be served as described in the prior art.

According to the foldable handle of the present invention another advantage is that, the third ear shape part of extension rod can with thin and small, And need not have as described in the prior art with the distance between two ears of handle main body identical width, so as to save Save the material of foldable handle and reduce the cost of foldable handle.

According to the present invention it is foldable handle another advantage is that, its provide be easily assembled have position locking The simple foldable handle structure of function.

By referring to the following description of accompanying drawing, other targets, advantage and feature of the invention will be more clearly understood from.

Brief description of the drawings

Embodiments of the invention are described by example referring to the drawings, wherein：

Fig. 1 is the stereogram of the first embodiment of the foldable handle in extended position.

Fig. 2 is the stereogram of the first embodiment of handle ears.

Fig. 3 is the stereogram of the first embodiment of the extension rod with two opposing sidewalls.

Fig. 4 is the stereogram of the first embodiment of button.

Fig. 5 is the stereogram of the second embodiment of button.

Fig. 6 is the stereogram of the first embodiment of the handle extended structure with button in folding position.

Fig. 7 is the stereogram of the first embodiment of the handle extended structure with button in extended position

Embodiment

Reference picture 1, shows foldable handle according to a first embodiment of the present invention.Foldable handle includes handle main body 10 have two ears 11 being formed thereon with least one extension rod 20 for being connected to handle main body 10, handle main body 10 With 12.Handle main body 10 may include the groove 19 for accommodating extension rod 20 wherein when handle is in folding position.

Reference picture 2, shows the stereogram from the handle main body 10 above seen.In fig. 2 it is shown that being arranged in ears 11 A boss or pin 13 on inner side, pin 13 is preferably about positioned at middle hole or opening 16.The hole 16 is extended not only through Pin 13, and also extend through the ears 11 of the lower section of pin 13.Pin 13 can have one or more grooves 15 for being located at it radially. In other words, opening 15 is basically perpendicular to hole 16.In a preferred embodiment, another ears 12 can also have and be formed at it On pin.

Reference picture 3, shows the extension rod 20 for being connected with handle main body 10.Extension rod 20 has at least one side wall Or ears 21, and can have another side wall or ears 22 and connect the bottom plate of two side walls 21 and 22.Bottom plate The structure between 10 and 20 and connection can be strengthened., can the bottom without two side walls 21 and 22 of connection as alternative structure Plate saves the purpose of material to reach.There are two holes 23 respectively on two side walls 21 and 22, for being pivotally connected to handle Two boss 13 in main body 10.In alternative embodiments, only one of which hole 23 is used to pivot with the pin 13 of handle main body 10 and connected Connect.At least one groove or opening 24 can be formed on the edge in hole 23.

Reference picture 4, it is the preferred embodiment for the button that can be assembled with handle main body 10 and extension rod 20.Button 30 can be with Including button head 31 and elastic component or elastic base 33.Projection 32 also is set in the side of button head 31.Button head 31 is in assembling When can extend through via 23 and opening 16.Elastic component 33 is preferably the U-clamp being made up of sheet metal or plastic material.Button First 31 are arranged on the pillar 35 in two pillars of U-clamp 33, and another pillar 34 is fixed to extension rod 20, for example, pass through Welding, glued, riveting or any other known way are fixed on side wall 21.In one embodiment, can be in side wall 21 Bending or one otch of punching press are used to pillar 34 being inserted and fixed wherein on inwall.Elastic component 33 is pressed in assembling Contract, and button head 31 is held in place by by its elastic force.

In a preferred embodiment, projection 32 is rectangle.The length (H1) of raised or clamping block 32 is more than handle main body The length of 10 opening 15 but opening 15 and the total length (H2) of the groove 24 of extension rod 20 less than or equal to handle main body 10, So that when extension rod 20 is in extended position relative to handle main body 10, groove 24 and hand that projection 32 can be with extension rod 20 The opening 15 of handle main body 10 is engaged.Projection 32 and the groove 24 of extension rod 20 and the opening 15 of handle main body 10 can also have The other shapes or structure that can be mutually matched, such as triangle or ellipse.

Reference picture 5, shows the alternate embodiment of elastic fastener.In this embodiment, elastic component and fastener body It is integrally formed, and there is helical cutting to provide the spring function as spring in the main body of button 30.It can be replaced at other For in embodiment, elastic component can be independent spring.Can have at the middle part of the second boss of second ears 12 and use In second opening for being fixed therein spring.

Reference picture 6, shows the embodiment of the foldable handle in folding position.In the position, extension rod 20 Groove 24 is not connected with the opening 15 of handle main body 10, but is in opposite side.The projection 32 of button 30 is recessed with extension rod The opening 15 of groove 24 or handle main body 10 departs from.When foldable handle shifts to extended position, the projection 32 of elastic fastener is protected Hold and depart from groove 24 or opening 15 until reaching fully extended position.

Reference picture 7, shows the embodiment of the foldable handle in extended position.In the extended position, extension rod 20 groove 24 and the opening 15 of handle main body 10 are met, so as to form the length with the length (H1) for being more than or equal to projection 32 Spend the larger open of (H2).In this case, projection 32 can be joined in the larger open under the bounce of button, so that Lock handle main body 10 and extension rod 20 are to prevent pivot between the two.

, could release lever main body 10 and extension only when button 30 is depressed and projection 32 departs from larger open Bar 20, then extension rod 20 can around extension main body 10 pivot.By this handle extended structure, it can avoid operating time delay The unexpected folding of semi-girder, so as to provide more protections for operator.

In alternative embodiments, can have similar to the opening 15 on the boss 13 of handle ears 11 the Three openings or groove 18.The central angle (" A ") of the opening 18 of opening 15 and the 3rd is about 90 ° to 180 °, and preferably 105 ° To 120 °.When foldable handle is moved back to folding position, the 3rd opening 18 can provide further protection for the hand of operator. Foldable handle can only have one to be used for the opening 18 of projection 32, and main body 10 is extended with about 60 ° to 75 ° of angle locking With extension rod 20, so as to keep certain space to prevent from coming to harm for the finger of operator.

It is on the contrary in another alternate embodiments, arranged on the edge in hole 23 that can be on side wall 22 4th groove or opening.The central angle of the groove of groove 24 and the 4th is about 90 ° to 180 °, and preferably 105 ° to 120 °. Similar defencive function can also be realized by the structure.

Handle main body 10 can have similar safe extended structure respectively with extension rod 20 in the other end, with as needed Further extend the overall length of handle.

Although illustrating and describing embodiments of the invention, it is not meant to that these embodiments can illustrate and describe this All possible forms of invention.On the contrary, the word used in the description is descriptive words and unrestricted, and should Understand, a variety of modifications can be produced without departing from the spirit and scope of the invention.

Claims

1. a kind of foldable handle, including：

Main body, has the convex of the first groove with the first ears, the second ears and formation on first ears Platform；

Extension rod, with third ear shape part, there is the third ear shape part the second groove to be pivotally connected to the boss；With And

Button, extends through the boss, and the button has projection, and the projection can be with first groove and described second Groove engages the main body and the extension rod being locked in fixed position, and can be with first groove and described second Groove departs to unlock the main body and the extension rod；The raised length is more than the length of first groove but is less than Or equal to first groove and the total length of second groove.

2. foldable handle according to claim 1, wherein, the boss has the 3rd groove being formed on.

3. foldable handle according to claim 2, wherein, the central angle of first groove and the 3rd groove exists Between 90 ° and 150 °.

4. foldable handle according to claim 2, wherein, the central angle of first groove and the 3rd groove exists Between 105 ° and 120 °.

5. foldable handle according to claim 1, wherein, the third ear shape part has formed therein the 4th recessed Groove.

6. foldable handle according to claim 5, wherein, the central angle of second groove and the 4th groove exists Between 90 ° and 150 °.

7. foldable handle according to claim 5, wherein, the central angle of second groove and the 4th groove exists Between 105 ° and 120 °.

8. foldable handle according to claim 1, wherein, the extension rod has the 4th ears with described second Ears are connected.

9. foldable handle according to claim 8, wherein, second ears have second boss with described Four ears are pivotally connected to.

10. foldable handle according to claim 9, wherein, the button has U-shaped elastic clip.

11. foldable handle according to claim 10, wherein, the 4th ears have the U-shaped elastic clip The groove that is inserted of free end.

12. foldable handle according to claim 11, wherein, the button has the spring for serving as clamper.

13. foldable handle according to claim 12, wherein, second ears have inserts it by the spring In hole.

14. foldable handle according to claim 12, wherein, the spring is integrally formed with the button.

15. foldable handle according to claim 1, wherein, the main body has will be described when the handle is folded The groove that extension rod is placed in one.