CN1909291A

CN1909291A - Rotary joint for battery wire clamp

Info

Publication number: CN1909291A
Application number: CNA2006101061879A
Authority: CN
Inventors: C·M·奥朗日
Original assignee: Batlock LLC
Current assignee: Batlock LLC
Priority date: 2005-07-20
Filing date: 2006-07-20
Publication date: 2007-02-07

Abstract

An improved rotary joint for battery wire clamp is designed to apply the pressure on the arm of the clamp between the wire part and the pillar part of the clamp. When manufacturing the clamp, the materials of the self lubricating and anticorrosion are used advantageously.

Description

The swivel of battery wire clamp

Technical field

The present invention relates generally to battery wire clamp, more particularly, relates to a kind of improvement to existing battery wire clamp, and this chuck is convenient to the corrosion joint be disconnected and battery wire clamp is unloaded from cell terminal.

Background technology

Those skilled in the art are to be understood that, most of automobile, motor vehicle and all battery-powered starting of ship that inboard engine is housed, standardized modern storage battery is 12 volts a battery, this battery has the metal connection post of the opposite polarity that is used for battery, and the joint lead just is fixed on this binding post.The battery lead joint of standard is a yoke type structure.Typical battery lead or by curling or be connected an end of joint by screw bolt and nut, the yoke part of joint then are installed on the binding post of battery by the nut screwing clamping on the bolt that will pass the yoke two ends and are clamped on the binding post of battery.Yoke is made by steel or lead usually.

The life-span of many 12 volts of standard storage battery can reach several years, and particularly when using frugally, for example the situation of some sightseeing boat is such.At the life period of battery, the gathering that may corrode, and the battery chuck is connected on the cell terminal by the corrosion thing.Corrosion also can be assembled with being threaded on this bolt and yoke is clamped between the nut on every side of cell terminal at bolt.Corrosion can weaken battery electric power from cell terminal by the normal transmission of battery wire clamp to battery lead, thereby the electric power that obtains is reduced.In order to improve the minimizing of electric power transfer, need unload battery wire clamp, will corrode thing and brush away and chuck is repaired, thereby rebulid firm being connected between chuck and the binding post.This process need be unclamped usually yoke is clamped in nut on the bolt around the binding post, and " disconnections " corrosion between chuck and binding post seals, so that chuck is unloaded.In addition,, just must unload used batteries, change a new battery if battery exhausts.In this case, just must again battery wire clamp be unscrewed and disconnect this corrosion sealing, so that chuck is unloaded from binding post.No matter make yoke be clamped to the corrosion of the nut on the bolt of cell terminal owing to be installed to, therefore, be the process of cleaning cell terminal and battery wire clamp, or the process of changing battery all will be consuming time and difficulty.

Therefore, need a kind of battery wire clamp that can overcome the variety of issue that exists in the prior-art devices.In this respect, the achievement of making before this is included in International Application No. WO 97/03480 and total U.S. Patent application U.S.10/237, in 341, particularly in one design of back about the structure of yoke aspect, be fishbolt be in the wiring pillar with the lead opposite end, in repair market, proved effective.But use has original equipment manufacturer(OEM and other producers of the yoke of the fishbolt between binding post and lead, and particularly those use the producer of steel fork arms, preferably use a kind of improved structure.

Summary of the invention

The bolt that passes the yoke end of replacement standard and be tightened with chuck is fixed on cell terminal around nut, battery wire clamp of the present invention uses a bolt that has clamping lever.Comprise a bossing or cam structure at bolt head being connected between the attached handle with adorning, it just can increase or reduce the clamping force of bolt according to one of handle very little rotation.Therefore, can use the nut screwing clamping on the bolt of pointing two support arms that will connect yoke, and handle is rotated the clamping force that about half-turn just can increase bolt significantly.When needs unload this battery wire clamp, this handle can be unclamped, just can reduce the clamping force of bolt significantly.Then, just can easily the nut on the bolt be unclamped, thus the additonal pressure of releasing on battery wire clamp.Handle can turn to a top locking and released position, and can lie in downwards on the battery face.This handle at least preferably, a nut and a seat use corrosion-resistant material that contacts with bossing face on the handle are made, even make with nonmetallic materials.In this way, whole operations preferably of the present invention do not need to use any auxiliary tools just can finish.

Brief description

Fig. 1 is the perspective view that battery wire clamp of the present invention is in latched position.

Fig. 2 is the perspective view of the battery wire clamp that is in latched position among Fig. 1 when handle upwards rotates.

Fig. 3 is the perspective view that the battery wire clamp among Fig. 1 is in the released position.

Fig. 4 a is the sectional view of seat of the present invention.

Fig. 4 b is the positive view of the seat among Fig. 4 a.

Fig. 4 c is the plan view from above of the seat among Fig. 4 a.

Fig. 5 a is the partial sectional view of handle of the present invention.

Fig. 5 b is the plan view from above of the handle among Fig. 5 a.

Fig. 5 c is the side plan view of the handle among Fig. 5 a.

Fig. 6 a is the cutaway view that can be used for knurled nut of the present invention.

Fig. 6 b is the plan view from above of the knurled nut among Fig. 6 a.

Fig. 7 a is the side plan view of connecting pin of the present invention.

Fig. 7 b is the end plan view of the connecting pin among Fig. 7 a.

Fig. 8 a is the end view that can be used for trunnion of the present invention.

Fig. 8 b is the plan view from above of the trunnion among Fig. 8 a.

Fig. 8 c is the end plan view of the trunnion among Fig. 8 a.

Fig. 9 a is the perspective view of the battery wire clamp of prior art, and this chuck has the connection yoke of a steel and is crimped onto on the battery lead.

Fig. 9 b be prior art be connected lead system battery chuck on the battery lead with bolt.

Embodiment

Will obtain best understanding to the preferred embodiments of the present invention by Fig. 1 in the reference accompanying drawing-9, the identical label in the accompanying drawing is represented identical part.

At first referring to Fig. 9 a, there is shown the steel battery wire clamp 110 of prior art, this chuck has one first end, leg portion 112 and support arm 118,118 ', this first end has the crimping portion 111 that is connected with battery lead C, this leg portion surrounds cell terminal T, and this support arm stretches out from each side of leg portion of yoke, has on it to be used for the hole of construction bolt B, this bolt is tightened by nut N, so that leg portion 112 is clamped on the binding post T securely.Should be pointed out that nut N and bolt B are positioned at the end opposite of the crimping portion 111 that is connected with lead C of this chuck.

Similarly, at the battery wire clamp 210 of the prior art shown in Fig. 9 b be a kind of typical construction of the thicker battery wire clamp of making by lead rather than steel.Chuck 210 also has first end 211 that is used for construction bolt 201, and this bolt passes first end 211 and connecting plate 203 and is fixed on first end 211 by aliform nut 202, and this connecting plate is connected on the battery lead.Therefore, leg portion 212 has been surrounded the binding post T of battery on basically, and at support arm 218,218 ' locate to stop, and a hole that is used for construction bolt B is arranged on each support arm, and this bolt is fixed on this support arm by nut N.To make support arm 218,218 ' more close after nut N is tightened, thereby leg portion 212 will be securely fixed on the binding post T.The battery wire clamp of most prior art has used above-mentioned this structure, and promptly its first end and its end opposite with the chuck that is connected with battery lead is exerted pressure, thus with the leg portion of yoke be fixed on binding post T around.Particularly become more general in the situation of using steel to make battery wire clamp, thereby under the situation about reducing widely for the needs of thicker leg portion and support arm, the battery wire clamp of the following this structure of design just becomes may, this chuck has first end that is connected with battery lead, one extends to an arm portion of far-end leg portion and has second support arm that returns, this second support arm is located in leg portion and between the junction of lead, so that by dividing the bolt that extends between the middle support arm to apply clamping action in chuck leg portion and wire interconnecting piece.

The battery wire clamp 10 of this structure has been shown among Fig. 1, and this chuck replaces common nuts and bolt with the swivel of a quick releasable.More particularly, battery wire clamp 10 has one to have first end 11 that wire interconnecting piece divides.In this case, wire interconnecting piece divides 14 to be thread pillars, and the lead end plate that has a hole on it can be installed and be fixed on this thread pillar with nut or aliform nut.First end 11 extends to first arm portion 18 earlier and then extends to leg portion 12, and then turns back to second arm portion 18 ' locate.Leg portion 12 is centered around around the binding post of battery, and by a securing member be applied to support arm 18,18 ' on clamping action and on this binding post, be secured in place, this securing member connect two through holes 22,22 in support arm '.Common joint is a kind of simple nuts and bolt structure, and in the ordinary course of things, this structure needs a wrench to dismantle, and under the situation of being corroded, dismounting difficulty just may take place or hardly may.In Fig. 1, common nuts and bolt securing member replaces with the swivel of a quick releasable, this swivel has a handle 50 that has bossing 58, this bossing rests in latched position the time on the seat 40, by connecting pin 28 with pressure act on end nut 36 and present 40 and end nut 36 between stacked support arm 18,18 ' on.On this position, the inboard or recessed side of handle 50 surrounds the major part of leg portion 12.

Be still the situation that battery wire clamp is in latched position shown in figure 2, still, the edge, position (roughly being positioned on the battery surface) of previous from it plane parallel with leg portion 12 of handle 50 is laterally upwards rotated about 90 °.On this position, on the bossing on the handle 50 is will the pressure effect present, and compression support arm 18,18 ', thereby with the leg portion 12 of yoke be fixed on binding post around.The structure slight change of the battery wire clamp 10 in Fig. 2, terminal wherein be a simple hole 14 ', can wire end be fixed thereon with bolt.Should be pointed out that wire end can be fixed on the battery wire clamp with many diverse ways.

In Fig. 3, handle 50 rotates vertically, makes bossing 58 no longer rest on the seat 40, thereby the pressure that is applied on the end nut 36 by connecting pin 28 is reduced, and support arm 18,18 ' separately and leg portion are unclamped from cell terminal.Battery wire clamp is unclamped from binding post.By among Fig. 1-3 as seen, arm portion 18,18 ' in each support arm have respectively the hole 22,22 that is aligned with each other ', put into wherein thereby be convenient to connecting pin 28.Should be understood that, be transferred to the leg portion 12 of battery wire clamp from cell terminal by the electric power of battery generation, and by battery contact be transferred to wire connecting ends 11 and terminal 14,14 ', thus electric power can continuous action on the battery lead (not shown).Like this, the electric power that is produced by battery is transferred on the battery lead by battery wire clamp 10, and this lead and a solenoid, a starting motor or other electric devices are connected.

Because battery wire clamp is tightened the position at it and can be kept the Static Contact several years with cell terminal; corrosion usually can be bonded together chuck with relevant cell terminal; and fixedly support arm 18; 18 ' plain nut and bolt also may get rusty or corrode, thereby be difficult to battery wire clamp is unloaded from cell terminal.As shown in the figure, by hole 22,22 ' between the nuts and bolt of the standard of extending connect and unload, and replace with the assembly of connecting pin 28 and cam handle 50 compositions, the swivel of battery wire clamp of the present invention has just installed.Connecting pin 28 has a thread head 30 that is fixed with the far-end of end nut 36 on it.When connecting pin 28 is installed, some packing rings can be installed in this pin around so that, when work, obtain enough leverages correctly with the handle arrangement location, but packing ring preferably and other parts of this assembly make an integral body.

As shown in the figure, securing member 36 can be the annular knurl securing member, perhaps preferably by forming by manual other joints.The end nut 36 shown in Fig. 6 a and Fig. 6 b have one on the thread head 30 that is installed in connecting pin 28 screwed hole 37 and be convenient to knurled surface 38 promptly.The length of nut 36 should be designed to and can provide enough screw threads for being installed to connecting pin 28 securely, can provide suitable space again, so that when handling cam handle 50, have suitable leverage to exercise.Preferably all be processed with screw thread in each end of connecting pin 28, and have one not can with support arm 18, the 18 ' bonding smooth middle part of yoke.In addition, preferably the diameter than common is little for the diameter of pin 28, so that further prevent bonding.For example, according to the present invention, the most handy one 12/24 connecting pin replaces the bolt of 6 millimeters X1 millimeters of standard.No. 12 machine screw is compared with the bolt of 6 mm dias, and about 0.06 inch modification space can be provided in the hole.0.05 inch or above total backlash are best.Other parts of connecting pin 28 and cam handle 50 assemblies comprise seat 40 and pin 45.Pin 45 is installed in the base portion of handle 50 and has a screwed hole 46, and the near-end 32 of connecting pin 28 is fixed in this screwed hole.Seat 40 has a hole 43, and this hole extends to smooth substantially lower surface 41 from curved upper surface 42.After on the pin 45 that the near-end 32 of connecting pin 28 is fixed in the base portion that is installed in cam handle 50, just the hole 43 of seat 40 can be installed on the connecting pin 28, and the curved surface 42 that makes this is towards handle 50.This plane 41 is placed on the position that the support arm 18 with battery wire clamp reclining mutually, then connecting pin is passed the support arm 18,18 of battery wire clamp ' on hole 22,22 ', end nut 36 is fixed on the thread head 30 of connecting pin again.

Handle 50 has the base portion 55 and the opposite far-end 51 that wherein have hole 52, and this hole is used for installing trunnion 45.Centre at base portion 55 and far-end 51 is the curved handle part, and this curved handle has recessed side 57 and opposite protruding side 56.Protruding side 56 can have one and be convenient to the promptly groove 59 of handle 50.The base portion 55 of handle 50 have one from the hole 52 walls that stretch out, this wall has bossing 58 and the thin-walled 53 on the inboard.In addition, base portion 55 has the airfoil-shaped portion 60,61 that is separated by groove 54, and when handle 50 rotated around trunnion 45 with respect to seat 40 vertically, this groove can make connecting pin 28 remain on the fixing direction.

Therefore, as can be seen, in order to assemble this rotating connecting pin and cam handle assembly, the hole 52 of the base portion 55 that passes handle 50 of trunnion 45 should being packed into.First thread head 32 of connecting pin 28 is passed groove 54 and be screwed in the hole 46 of trunnion 45.Then, the hole 43 of seat 40 is contained on the connecting pin 28, and with connecting pin 28 pass the support arm 18,18 of battery wire clamp ' on hole 22,22 ', and end nut 36 is fixed on second thread head 30 of connecting pin 28.

When hand-tight make-up end nut 36, preferably cam handle 50 is in its released position, and makes thin wall 53 be positioned at the centre of trunnion 45 and seat 40.For the leg portion 12 with battery wire clamp 10 be locked in securely binding post around, cam handle 50 is rotated on trunnion 45 vertically, make bossing 58 between seat 40 and trunnion 45, thus at support arm 18,18 ' on acted on additonal pressure, thereby be centered around around the binding post leg portion 12 fixing.This with bossing 58 be placed on trunnion 45 and axial rotation in the middle of the seat 40 preferably occur in binding post on the perpendicular direction of its extended battery surface.Like this, handle 50 just is in its latched position, and can rotate about 90 °, makes the recessed side 57 of handle 50 surround the leg portion 12 of battery wire clamp 10 at least in part, thereby the connecting pin assembly of a compactness is provided.

Because the main purpose of this improved joint is to solve owing to corrode part is bonded together produce difficult and other fastening problem, thereby the structure of these parts all should be erosion-resisting, and just battery lead can be fastened on the cell terminal and unclamp from it without any need for instrument.More precisely, securing member 36 and seat 40 are preferably made through injection moulding by glass-filled nylon at least.This material is erosion-resisting as nylon, but even it also has good hot strength and rigidity when bearing high temperature, and it also has the lower thermal expansion similar with metal.Handle 50 also can be made by glass-filled nylon.It is present 40 to use glass-filled nylon to come these parts of moulding not only to prevent, securing member 36 and support arm 18,18 ' and the thread head 32 of connecting pin 28 between corrosion, but also provide self-lubricating property, thereby helped to prevent the bonding of part.In addition, connecting pin 28 preferably at least its pass support arm 18,18 ' on hole 22,22 ' middle body 20 have than the much smaller diameter in hole 22,22 ' obviously.This joint is that design is used for replacing the connecting bolt that is arranged on battery lead and cell terminal centre.

Though the present invention is described by its preferred embodiment, can also propose the related product of this paper and many change schemes of method to those skilled in the art.Should be understood that, described in the foregoing description and in illustrated CONSTRUCTED SPECIFICATION and the configuration just in order to explain feature of the present invention, and can not take it as to be any limitation of the invention, only otherwise break away from spirit of the present invention, all these change schemes all should be included in the scope by appended claims book defined.

Claims

1. improved joint that is used for battery wire clamp, this chuck has first end that is connected with battery lead and first support arm that one first hole is wherein arranged, this first support arm extends to the leg portion of an arc, and extend to second support arm that second hole is wherein arranged thus, this second support arm is to extend with the direction that this first support arm parallels substantially, and this joint comprises:

(a) handle, this handle have first end and the second opposite end that have two parallel airfoil-shaped portions, and this airfoil-shaped portion is separated by a groove and be wherein porose;

(b) trunnion, this trunnion is installed in the hole of this parallel airfoil-shaped portion, and across the groove between the described airfoil-shaped portion;

(c) connecting pin, this pin has a near-end, and this near-end is connected in the hole of the trunnion in the groove between the airfoil-shaped portion, and described connecting pin passes described groove and extends to threaded distal end along the direction of leaving handle;

(d) seat, this has the cam face of the parallel airfoil-shaped portion of a hole that connecting pin wherein is installed and vicinity;

(e) securing member, this securing member have a screwed hole on the threaded distal end that is installed in connecting pin;

Wherein, this connecting pin is passed in first end of battery wire clamp and first hole and second hole between the arcuate strut part.

2. the improved joint that is used for battery wire clamp according to claim 1, wherein, this handle has a recessed side and a protruding side, and when being arranged in the plane of leg portion, recessed side surrounds the most arcuate strut part of this chuck.

3. the improved joint that is used for battery wire clamp according to claim 1, wherein, among handle, securing member and the seat at least one made by corrosion-resistant material.

4. the improved joint that is used for battery wire clamp according to claim 3, wherein, this corrosion-resistant material is a glass-filled nylon.

5. the improved joint that is used for battery wire clamp according to claim 1, wherein, this connecting pin has a mid portion between near-end and far-end, and described mid portion is smooth.

6. the improved joint that is used for battery wire clamp according to claim 1, wherein, this handle can rotate vertically, so that will be in the bossing location between trunnion and the seat.

7. the improved joint that is used for battery wire clamp according to claim 1, wherein, the diameter of this connecting pin is littler 0.05 inch than the diameter in first and second holes in first and second support arms at least.

8. the improved joint that is used for battery wire clamp according to claim 2, wherein, this handle can be along lateral rotation to and perpendicular position, the plane of leg portion.

9. improved battery wire clamp comprises:

(a) one first end, this first end has a conductor part that has the terminal that is used for fixing battery lead;

(b) first arm portion, this arm portion stretches out and wherein has one first hole from first end;

(c) leg portion, this leg portion is connected with described first arm portion and defines a cavity that is used for installing cell terminal;

(d) second arm portion, this second arm portion stretches out from leg portion, wherein has second hole that is provided with like this, alignd vertically with second hole in the hole of winning;

(e) connecting pin with a near-end and a far-end, this connecting pin pass the hole of alignment vertically in the arm portion;

(f) handle, this handle have one first end and second an opposite end, and this first end has a pair of parallel airfoil-shaped portion that wherein has the hole that is used for installing trunnion, and described airfoil-shaped portion is separated by a groove;

(g) this trunnion has a hole and is connected with the near-end of connecting pin;

(h) seat, this seat have a cam face and a hole, and this hole is used for installing connecting pin and this seat is set at this between an arm portion and this trunnion; And

(i) securing member, this securing member is connected with the far-end of connecting pin.

10. the improved joint that is used for battery wire clamp according to claim 9, wherein, this handle has a recessed side and a protruding side, and this recessed side has been surrounded most leg portion.

11. the improved joint that is used for battery wire clamp according to claim 9, wherein, among handle, securing member and the seat at least one made by corrosion-resistant material.

12. the improved joint that is used for battery wire clamp according to claim 9, wherein, this handle has a recessed side and a protruding side, and when being arranged in the plane of leg portion, recessed side surrounds the most arcuate strut part of this chuck.

13. the improved joint that is used for battery wire clamp according to claim 9, wherein, among handle, securing member and the seat at least one made by corrosion-resistant material.

14. the improved joint that is used for battery wire clamp according to claim 13, wherein, this corrosion-resistant material is a glass-filled nylon.

15. the improved joint that is used for battery wire clamp according to claim 9, wherein, this connecting pin has a mid portion between near-end and far-end, and described mid portion is smooth.

16. the improved joint that is used for battery wire clamp according to claim 9, wherein, this handle can rotate vertically, so that will be in the bossing location between trunnion and the seat.

17. the improved joint that is used for battery wire clamp according to claim 9, wherein, the diameter of this connecting pin is littler 0.05 inch than the diameter in first and second holes in first and second support arms at least.

18. the improved joint that is used for battery wire clamp according to claim 9, wherein, this handle can be along lateral rotation to and perpendicular position, the plane of leg portion.

19. a method of using a rotating connecting pin to be connected battery wire clamp with the cam handle assembly, this battery wire clamp has: one first end, and this first end has a conductor part that has the terminal that is used for fixing battery lead; First arm portion, this arm portion stretches out and wherein has one first hole from first end; A leg portion, this leg portion is connected with described first arm portion and defines a cavity that is used for installing cell terminal; Second arm portion, this second arm portion stretches out from leg portion, wherein has second hole that is provided with like this, alignd vertically with second hole in the hole of winning; This method may further comprise the steps:

(a) place in a hole of pivot pin being passed in the handle base end;

(b) first near-end with connecting pin is connected on the trunnion like this, makes described connecting pin stretch out from the base portion of handle;

(c) seat is placed on the connecting pin under the state of handle base end in its concave surface, and connecting pin is passed first and second holes of first and second support arms;

(d) end nut is tightened on the far-end of connecting pin; And

(e) such turning handle vertically, make base portion bossing trunnion with concave surface between, thereby compress first and second support arms.

20. method according to claim 19 also comprises the following steps: to make the concave surface of handle surround leg portion basically along laterally such turning handle.