CN202192575U

CN202192575U - Hub used for forming foldable star lug wrench

Info

Publication number: CN202192575U
Application number: CN2010206988303U
Authority: CN
Inventors: 罗伯特·神垣刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-14
Filing date: 2010-12-14
Publication date: 2012-04-18
Anticipated expiration: 2020-12-14

Abstract

The utility model relates to a hub used for forming a foldable star lug wrench. The hub used for forming the foldable star lug wrench comprises a central body (12), wherein four coplanar ratchet wheel attaching devices (14) are outwards stretched from the central body (12), and each ratchet wheel attaching device (14) is vertical to the adjacent ratchet wheel attaching device (14). By attaching a wrench stretching part WE to each ratchet wheel attaching device (14) which is outwards stretched from the central body (12) and attaching a sleeve to the outer end of at least one wrench stretching part WE, a star wrench is formed. By separating the wrench stretching part WE from the central body (12), the star wrench can be folded and easily put in a standard tool box.

Description

Be used to form the propeller boss of collapsible star-like lug spanner

Technical field

The present invention relates to be used to form the propeller boss (hub) of collapsible star-like (spider-type) lug spanner (lug wrench).

Star-like lug spanner is a kind of sleeve (socket) spanner that is used on automotive wheel, twisting the lug nut, and it has cross portion to serve as lever arm so that moment of torsion to be provided.For easy, these will be called " star spanner " below spanner.The star spanner has four rigidly connected coplane arms usually; Each arm is perpendicular to contiguous arm; Have the spill sleeve in the outer end of at least one arm and wait the lug nut tightening or unclamp, make the upright arm of two vicinities form cross portion to serve as lever arm with reception.Usually, each arm of star spanner is approximate equal length and has the sleeve at the different size of outer end, makes single star spanner can be used for the nearly nut of four different sizes.

The star spanner allows the user to apply sizable moment of torsion to tighten or to unclamp lug nut and other fastener.Yet, need the arm of star spanner vertically to make their non-constant widths, and therefore be difficult to transportation and storage in modular tool cabinet, automobile or other little space.

Well-known spanner extension rod or spanner extension allow near the nut that is difficult to get at.The spanner extension typically uses with sleeve group and ratchet (ratchet), and this ratchet can be attached to sleeve and turnbarrel separably.Each sleeve typically at one end receives the nut of specific dimensions and type, and has the ratchet acceptor device in the opposite end.Typically, ratchet has the ratchet attachment by the ratchet acceptor device reception of sleeve, makes sleeve can be attached to ratchet separably.The ratchet attachment is preferably the square cross section double-screw bolt; It has the outward extending ball and spring of recess from the rotating part that is formed on ratchet; And the ratchet acceptor device is the square cross section aperture in sleeve that is configured to receive double-screw bolt, and it has pit when sleeve correctly engages with ratchet, to receive ball.The spanner extension comprises extended part, and it at one end has the ratchet attachment with the ratchet acceptor device reception by sleeve, and has the ratchet acceptor device to receive the ratchet attachment of ratchet at the other end.By this way, the spanner extension can place between sleeve and the ratchet, thereby the permission sleeve is placed on the nut top that is difficult to get at and allows ratchet to come turnbarrel through the rotary spanner extension.The ratchet attachment can be convex and the ratchet acceptor device can be spill, and perhaps vice versa.

Background technology

The United States Patent (USP) 1360121 of Lawrence openly has many socket heads of main body and three branches.Branch is remained on framework spot welding, the riveted joint of appropriate location or is rigidly secured to branch in addition.

The United States Patent (USP) 2738694 of Boatright discloses collapsible lug spanner.

The United States Patent (USP) 4505171 of Chang openly has the collapsible intersection spanner of four key part that are pivotally connected to coupling components.

The United States Patent (USP) 4939960 of Kinzli discloses electric capsule spanner.

The United States Patent (USP) 6343532 of Lucy openly has the crossbar box spanner of the torque tube of pivotal mounting.

The United States Patent (USP) 6662688 of Avery openly has the lug spanner of two collapsible arms and separable arm.

The U.S. design patent Des.218140 of Johannsen is open

The open crossbar torque wrench of the U.S. design patent Des.409060 of Lucy.

Therefore, the purpose of this invention is to provide and to fold the star spanner that easily transports and store with in modular tool cabinet, automobile or other little space.

Other purpose of the present invention provide can be cheap the star spanner, this is to form because it can use the member that can easily utilize in user's Already in the tool box.

The utility model content

These realize through the propeller boss that is used for collapsible star spanner that with other purpose propeller boss comprises central body and from outward extending four the coplane ratchet attachments of central body, wherein each ratchet attachment is perpendicular to contiguous ratchet attachment.By this way; Be attached to the outer end of at least one spanner extension through spanner extension (have the ratchet receiving system in the inner and have in the outer end ratchet attachment) being attached to, can form the star spanner from outward extending at least three the ratchet attachments of central body and with sleeve.And, through with the spanner extension from the center body portion from can folding the star spanner.

Can be convex or spill from the outward extending ratchet attachment of central body.Preferably, the ratchet attachment is the square cross section double-screw bolt with the outward extending ball and spring of recess from double-screw bolt, and the ratchet receiving system is the square cross section aperture that is configured to receive double-screw bolt, and has pit to receive ball.Preferably, form by metal with central body is whole from outward extending four the ratchet attachments of central body.

Description of drawings

Fig. 1 is the perspective view of seeing from the front of the first embodiment of the present invention;

Fig. 2 is its top view, and bottom view is identical;

Fig. 3 is its anterior elevational view;

Fig. 4 is its back front view;

Fig. 5 is the perspective view of seeing from the front of its second embodiment;

Fig. 6 is the top view of second embodiment, and bottom view is identical; And

Fig. 7 is its back front view.

The specific embodiment

The at present preferred preferred forms that is used for embodiment of the present invention is shown through the example among Fig. 1 to Fig. 7.

With reference to figure 1, the perspective view of seeing from the front of the first embodiment of the present invention 10 is shown.Central body 12 has from central body 12 outward extending four coplane ratchet attachments 14, and each ratchet attachment 14 is perpendicular to contiguous ratchet attachment 14.Preferably; Ratchet attachment 14 is the square cross section double-screw bolts 16 with the recess 20 outward extending ball and springs 18 from double-screw bolt; And ratchet receiving system (not shown) is the square cross section aperture that is configured to receive double-screw bolt, and has pit to receive ball 18.

With reference to figure 2, the top view of the embodiment 10 of Fig. 1 is shown.

With reference to figure 3, the anterior elevational view of the embodiment 10 of Fig. 1 is shown, spanner extension WE wherein shown in broken lines is depicted as and is attached to central body 12.As can see, all balls 18 in Fig. 1-Fig. 3 forward facing epitaxy stretch, but ball 18 can be gone up in any direction from each ratchet attachment 14 and extends.

With reference to figure 4, the back front view of the embodiment 10 of Fig. 1 is shown.As can see, there is not ball to extend back, so neither one is visible.

With reference to figure 5, the perspective view of seeing from the front of the second embodiment of the present invention 30 is shown.Again, central body 12 has outward extending four coplane ratchet attachments 14, and each is perpendicular to contiguous ratchet attachment 14.Again, the ratchet attachment is a square cross section double-screw bolt 16.Yet ball 18 stretches out from double-screw bolt 16 from the recess 20 on the side of facing clockwise of double-screw bolt 16.

With reference to figure 6, the top view of second embodiment 30 is shown.

With reference to figure 7, the back front view of second embodiment 30 is shown, ball 18 is shown stretches out from the side of facing clockwise of double-screw bolt 16.

As can from above and accompanying drawing, understand; Through spanner extension WE (have the ratchet receiving system in the inner and have in the outer end ratchet attachment) is attached to from central body 12 outward extending each ratchet attachment 14 through their the inner; And the sleeve (not shown) is attached to the outer end of at least one spanner extension WE, can forms the star spanner.Intelligible as also, through being separated from central body 12, spanner extension WE can also fold the star spanner.

Be contemplated that the user will have spanner extension WE together with the sleeve group of buying before them.Yet it possibly be necessary any additional spanner extension WE and sleeve that the user can easily buy.Minimum three spanner extension WE will be necessary: one is used to keep sleeve, and two other is used to form crossbar to serve as lever arm.Yet, preferably use four spanner extension WE, can be attached to the number of the sleeve of star spanner simultaneously with maximization, and therefore maximize the number that the star spanner can be used the type of nut on it.

Preferably, for intensity and durability, central body 12 is with outward extending ratchet attachment 14 whole formation (preferably being formed by metal).

Certainly, can use the ratchet attachment and the ratchet receiving system of other type,, and allow at least one sleeve to be attached to the outer end of spanner extension WE as long as they allow spanner extension WE to be attached to central body 12 separably through their the inner.

Utilize structure of the present invention, only through shopping center's main body 12 and enough additional spanner extension to have three altogether, can easily the star spanner be provided to the user that possibly have box spanner and one or more spanner extension.After folding, all parts of the present invention can easily be contained in modular tool cabinet, automobile or other the little space.

Although disclose the present invention, it should be understood that to have other embodiment that belongs in the scope of the present invention that is defined by the claims together with presently preferred embodiment disclosed herein.Therefore, only if as in claim, clearly and clearly propose, will not mean or represent any restriction in the present invention.

Industrial applicibility

No matter when hope has the star spanner that can in modular tool cabinet, automobile or other little space, transport and store, and all can use the present invention.No matter when be desirable to provide the cheap star spanner of use spanner extension that can easily utilize or that had and sleeve, also can use the present invention.

Claims

1. propeller boss that is used for collapsible star spanner comprises:

Central body;

From outward extending four the coplane ratchet attachments of said central body, each said ratchet attachment is perpendicular to contiguous ratchet attachment;

Thus; Spanner extension through having the ratchet receiving system in the inner and having the ratchet attachment in the outer end is attached to from outward extending three the said ratchet attachments of said central body at least; And sleeve is attached to the said outer end of at least one said spanner extension, can forms the star spanner; And

Thus, through being separated from said central body, said spanner extension can fold said star spanner.

2. the propeller boss that is used for collapsible star spanner according to claim 1 is characterized in that, is convex from the outward extending said ratchet attachment of said central body.

3. the propeller boss that is used for collapsible star spanner according to claim 1 is characterized in that, is spill from the outward extending said ratchet attachment of said central body.

4. the propeller boss that is used for collapsible star spanner according to claim 1 is characterized in that:

Said ratchet attachment is the square cross section double-screw bolt, and it has the outward extending ball and spring of recess from said double-screw bolt.

5. the propeller boss that is used for collapsible star spanner according to claim 1 is characterized in that, forms with said central body is whole from outward extending said four the coplane attachments of said central body.