CN203101048U - Multifunctional gauge - Google Patents

Abstract

The utility model discloses a multifunctional gauge which is used for detecting the abrasion degree of a chain wheel and a chain. A fixation support measurement rod comprises a force applying part which is shaped like a long rod, a fixation support part which can be inserted in a cross groove of the chain wheel, a first positioning convex part and a second positioning convex part, wherein the first positioning convex part and the second positioning convex part alternately and respectively extend outward from the side of the force applying part and along the length direction of the force applying part, and can be respectively inserted in an engagement hole of the chain. A flexible measurement part comprises a number of gauge spaces which are alternately distributed along the length direction and can be respectively embedded and engaged with chain teeth of the chain wheel. Through the structure design of the fixation support measurement rod and the flexible measurement part, the abrasion degree of the chain wheel and the chain of a bicycle can be conveniently and easily measured.

Description

Multi-functional gauge

Technical field

The utility model is about a kind of gauge, is meant a kind of multi-functional gauge that is used for measuring sprocket wheel and chain wear intensity specially especially.

Background technology

Prosperity along with energy-saving and carbon-saving and healthy leisure general mood, bicycle has become many people's the vehicles or CRUX utensil, but after bicycle drives a period of time, because rubbing action, the part of chain can wear and tear gradually, cause between the part space to become big, the related chain length that makes is elongated, once chain is elongated surpass to a certain degree after, will influence the engagement effect between chain and sprocket wheel, and then influence the transmission smooth degree when driving, in addition, the unusual phenomenon of chain releasing or speed changing function appears in function in the time of also can influencing speed change system and stir chain and carry out speed change easily.

In addition, sprocket wheel is to come transferring power by chain and since chain and sprocket wheel when transferring power, be with directly abut against, the mode of interlock carries out, therefore, in the process of using, this sprocket wheel and chain can abut against abrasion mutually, but no matter are the member abrasion of chain, or the sprocket of sprocket wheel abrasion, steadiness when the capital reduces both interlocks also may cause the disengaging of chain and sprocket wheel when serious, this kind situation as more obvious on the multi-speed bicycle.

In sum, possess the single gauge that to check the dual-use function whether chain and sprocket wheel may use, become the industry utmost point and desire development product.

Summary of the invention

The purpose of this utility model is that a kind of multi-functional gauge of judging sprocket wheel and chain wear intensity function that has concurrently is being provided.

The multi-functional gauge of the utility model, be applicable to and inspect a sprocket wheel and a chain, this sprocket wheel has a plurality of sprockets that center on a centre of sprocket and equal angles setting, and a plurality of positions striding at adjacent chain between cog by groove, this chain has a plurality of chains and rolls, and a plurality of respectively between two adjacent chain are rolled and embed the engaging hole of engagement for described sprocket, this multi-functional gauge comprises certain support gauge rod, but and pivot pendulum shifting ground be hubbed at the flexible measuring piece that this supports gauge rod surely with the one end.This supports gauge rod surely and comprises that the force section, one of an elongated rod shape can insert those that lean against this sprocket wheel and stride by the support part of deciding in one of them of groove, and along this application of force minister at intervals respectively from one first positioning convex portion and one second positioning convex portion of force section side direction projection outward, and this first positioning convex portion and second positioning convex portion can be inserted respectively in the wherein engaging hole that is against this chain.But this flexible measuring piece is pivot pendulum shifting ground to be hubbed at this with the one end and to support gauge rod surely, and comprise a plurality of along its long to spaced apart and can be respectively for the gauge space of the sprocket inlay card engagement of this sprocket wheel.

Beneficial functional of the present utility model is: see through the structural design that this supports gauge rod and this flexible measuring piece surely, can make things convenient for and carry out easily the measurement of the wear intensity of the sprocket wheel of bicycle and chain.

The multi-functional gauge of the utility model, this force section has a measuring basis face, this first positioning convex portion and second positioning convex portion be lay respectively at this force section two opposite rod ends, and respectively by this measuring basis face projection outward, and this first positioning convex portion have one dorsad this second positioning convex portion first surface of contact, this second positioning convex portion have one dorsad this first surface of contact second surface of contact, and this first surface of contact is to extend outward from this force section to be plane or toward the curved arc surfaced that is of outer arc.

The multi-functional gauge of the utility model, this flexible measuring piece also comprise a plurality of separately first the serial connection unit, and a plurality of serial connections respectively be hubbed on two adjacent first serial connections between unit the second serial connection unit, each second the serial connection unit have two separately and the serial connection be hubbed between the two adjacent first serial connection portions the second chain sheet, each first serial connection unit all has two first chain sheets, two latches that are connected in series these the first chain sheets and the second chain sheet, and two rollably be located in the outer and chain between these second chain sheets of this latch and roll, and described gauge space is the position between two adjacent chains roll.

The multi-functional gauge of the utility model, this support surely gauge rod decide the support part have two respectively towards described sprocket wheel two-phase dorsal part direction end side surface, and one be connected and decide the support cambered surface between these end side surface, this support surely cambered surface have one abut against insert in defining lean on stride the support point of deciding by the sprocket of groove.

The multi-functional gauge of the utility model, the described cambered surface that supports surely has at least one concave section, and one connects this concave section and defines the relief section that this decides support point.

The multi-functional gauge of the utility model, this flexible measuring piece also comprise one be articulated in this decide the support part connect a center, and a plurality of along its long to spaced apart and respectively by these latches define the pivot center, and this connect a center to this decide between support point distance more than or equal to two adjacent pivot centers spacing 1/2nd.

The multi-functional gauge of the utility model, this flexible measuring piece comprises that also one is articulated in a center that connects of this force section, and a plurality of along its long to spaced apart and by these latches define the pivot center, and this connect a center to this decide between support point distance more than or equal to two adjacent pivot centers spacing.

The multi-functional gauge of the utility model, and this flexible measuring piece away from this support surely gauge rod the chain of outermost first serial connection unit to roll be to abut against between these first chain sheets with its two ends, its axial length can greater than other first serial connection unit the chain roller bearing long.

The multi-functional gauge of the utility model, away from this support surely gauge rod the chain of outermost first serial connection unit do not roll and can roll.

The multi-functional gauge of the utility model, this force section have two opposing and respectively towards described sprocket wheel two-phase dorsal part direction and along its long to extend in parallel the side, and one be connected between these sides the measuring basis face, this supports gauge rod surely is to be the flat bar shape, and its integral thickness be from its away from this measuring basis face a side towards this measuring basis face direction attenuation gradually.

The multi-functional gauge of the utility model, roll first positioning convex portion and second positioning convex portion thickness less than this force section thickness.

Description of drawings

Fig. 1 is the stereographic map of first preferred embodiment of the multi-functional gauge of the utility model;

Fig. 2 is a user mode reference diagram of this first preferred embodiment, shows the corresponding relation of this a multi-functional gauge and a chain wheel unit;

Fig. 3 is an instrumentation plan of this first preferred embodiment, and a sprocket wheel of this chain wheel unit is in the mild wear state among the figure;

Fig. 4 is the instrumentation plan of a similar Fig. 3, and the sprocket wheel of this chain wheel unit is in the excessive wear state among the figure;

Fig. 5 is the user mode reference diagram of a similar Fig. 2, and this multi-functional gauge has been crossed on this chain wheel unit among the figure;

Fig. 6 be this first preferred embodiment in order to measure the instrumentation plan of a chain, this first positioning convex portion is inserted in the engaging hole among the figure;

Fig. 7 is the instrumentation plan of similar Fig. 6, and illustrates that second positioning convex portion can't insert the situation of the 8th engaging hole;

Fig. 8 is the instrumentation plan of similar Fig. 7, and the excessive wear of roller chain bar is described, this second positioning convex portion can be inserted the situation of the 8th engaging hole;

Fig. 9 is the user mode reference diagram of a similar Fig. 5, shows second preferred embodiment of the multi-functional gauge of the utility model;

Figure 10 is the stereographic map of one the 3rd preferred embodiment of the multi-functional gauge of the utility model; And

The sectional view of Figure 11 view 10 A-A along the line.

Embodiment

About addressing other technology contents, characteristics and effect before the utility model, in the following detailed description that cooperates with reference to three graphic preferred embodiments, can clearly present.

Consult Fig. 1,2,6, first preferred embodiment of the multi-functional gauge of the utility model is used for measuring the wear intensity of a plurality of sprocket wheels 801 on the chain wheel unit 800, and the wear intensity of measuring a chain 900.Each sprocket wheel 801 all comprises a plurality of sprockets 802 that center on a centre of sprocket 807 and equal angles setting, and a plurality of positions striding 802 of adjacent sprockets by groove 805, under normal operating condition, this chain wheel unit 800 will be along a rotation direction 806 rotations, described sprocket 802 all has striding by first of groove 805 of a contiguous rear and leans on face 803, and a contiguous the place ahead stride by groove 805 second by face 804, wherein this first leans on face 804 serious wear than second by face 803 because of the direction relations of running usually.This chain 900 has a plurality of chains and rolls 901, and a plurality ofly rolls 901 and embed the engaging hole 902 of engagement for described sprocket 802 between two adjacent chain respectively.

Consult Fig. 1,2,3, the multi-functional gauge of present embodiment comprises certain support gauge rod 3, and one is pivoted with the one end relatively pivot pendulum and is fixed in the flexible measuring piece 4 that this supports gauge rod 3 surely.

What this supportted surely that gauge rod 3 comprises that the force section 31, of an elongated rod shape is arranged at these force section 31 1 ends decides support part 32, and respectively from the one first shaft-like positioning convex portion 33 and one second positioning convex portion 34 of the 31 liang of opposite rod end side direction in this force section projection outward.This force section 31 has the phase back side about two respectively towards the two-phase dorsal part direction of described sprocket wheel and long to the side 310 that extends in parallel along it, and a measuring basis face 311 that is connected in 310 of this sides, this first positioning convex portion 33 is to be based in this measuring basis face 311 with this second positioning convex portion 34.Had the end side surface 321 that continues and extend outward in two these sides 310 from this force section 31 and should decide support part 32, and a curved arc be connected 321 of this end side surface decide support cambered surface 322, this supports cambered surface 322 surely and has two toward the curved concave section 323 of inner arc, and the individual relief section 324 that is engaged between this concave section 323.

This supports gauge rod 3 surely is to be the flat bar shape, and about it to integral thickness be from its away from a side of this measuring basis face 311 towards this measuring basis face 311 directions attenuation gradually, so this first positioning convex portion 33 also can be toward the attenuation gradually of its end direction with these second positioning convex portion, 34 thickness.

The structure of this flexible measuring piece 4 and specification are rough identical with this chain 900 (being shown in Fig. 6), the length of its setting can be decided according to the diameter of the sprocket wheel 801 that detects, promptly when the diameter of the sprocket wheel of measuring 801 is big more, the length of this flexible measuring piece 4 can be long more, and the flexible measuring piece 4 that present embodiment disclosed can be fit to be used for measuring the chain wheel unit 800 on the hind axle (figure does not show) that is installed in multi-speed bicycle.

This flexible measuring piece 4 is to be chain, comprise a plurality of first serial connection unit 41 separately, and a plurality of second serial connection unit 42 that are serially connected in two adjacent first 41 of the unit of serial connection, this flexible measuring piece 4 be with the outermost first serial connection unit 41 1 ends be pivoted the location this support a rod end of gauge rod 3 surely.At present embodiment is to disclose four first serial connection unit 41 to be connected in series unit 42 with three second, each right two each interval of the second serial connection unit, 42 tools and serial connection are hubbed at the second chain sheet 421 of 41 of the two adjacent first serial connection unit, each first serial connection unit 41 all has the latch 413 of the first chain sheet 411 of two each intervals, two these first chain sheets 411 of polyphone and this second chain sheet 421, and two rollably are set on the outer and chain between this second chain sheet 421 of latch 413 and roll 414.

This flexible measuring piece 4 is to see through a latch 413 that is positioned at the first terminal serial connection unit 41 to be hubbed at this force section 31, and roll 414 away from this chain that supports the outermost first serial connection unit 41 of gauge rod 3 surely is to abut against in 411 of this first chain sheets with its two ends, its axial length can be rolled 414 axial lengths greater than the chain of other first serial connection unit 41, and can not roll.This flexible measuring piece 4 comprises that also a plurality of position rolls gauge space 40 between 414 in two adjacent chain, and described gauge space 40 can be respectively snaps in for one of them sprocket 802 of this sprocket wheel 801, and aforementioned gauge space 40 is preferable with 3～15.

Consult Fig. 1,3,4, the multi-functional gauge of present embodiment is during in order to the wear intensity of the sprocket 802 of measuring sprocket wheel 801, gauge space 40 that at first will this flexible measuring piece 4---cover be stuck on a plurality of adjacent sprocket 802 of one of them sprocket wheel 801, allow then this support surely gauge rod 3 decide that support part 32 is plugged in this sprocket wheel 801 one of them stride by in the groove 805, and make this flexible measuring piece 4 be support to draw shape.After setting up, this force section 31 of supportting gauge rod 3 surely is naturally toward the radial outer end diagonal brace of sprocket wheel 801, and this supports deciding support cambered surface 322 and also can supporting the second other by face 804 of a sprocket 802 therein of gauge rod 3 surely, and this chain of this flexible measuring piece 4 rolls 414 also can abut against first other by face 803 at corresponding sprocket 802.

When the operator supports gauge rod 3 surely and imposes the acting force of one rotation direction that is same as this chain wheel unit 800 806 this; suppose that the sprocket 802 of this sprocket wheel 801 belongs to the situation of normal or mild wear as shown in Figure 3; this flexible measuring piece 4 can firmly be erected on this sprocket wheel 801; promptly this flexible measuring piece 4 can be from slippage on the sprocket wheel 801, and engaging is firm between the two.But when the sprocket 802 of this sprocket wheel 801 produces excessive wear as shown in Figure 4, aforementionedly put on the acting force that this supports gauge rod 3 surely, will cause the slippage on this sprocket wheel 801 easily of this flexible measuring piece 4.Promptly, can't block this flexible measuring piece 4 because the relation that sprocket wheel 801 operates towards rotation direction 806 makes first of sprocket 802 lean on face 803 excessive wear.Therefore, present embodiment is pulled as long as should multi-functional gauge be erected on this sprocket wheel 801 application of force when detecting the abrasion degree of sprocket wheel 801 again, can judge easily whether this sprocket wheel 801 needs to change, and it is not only simple to operate, and is also very correct when detection.

Consult Fig. 5, multi-functional gauge of the present utility model is except can mode of operation as previously discussed detecting the wear intensity of sprocket wheel 801, the great majority first serial connection unit 41 of this flexible measuring piece 4 second can also be connected in series unit 42 and bridge earlier on one of them of this sprocket wheel 801 with this, only allow and support the gauge rod 3 first outside beat of serial connection unit 41 shown in imaginary line farthest surely from this, allow this support part 32 of deciding of supportting gauge rod 3 surely be plugged on this sprocket wheel 801 then, and the application of force is pulled force section 31 when making its formation prop up shape, the first serial connection unit 41 of the outer pendulum originally direction pendulum toward these sprocket wheels 801 is leaned on, when this first serial connection unit 41 is put when coming on this sprocket wheel 801 very swimmingly, represent that promptly this sprocket wheel 801 belongs to normal condition, only produce to fasten and have some setbacks and need firmly it could be snapped in sprocket 802 time when these first serial connection unit, 41 pendulum come to this sprocket wheel 801, more or when the phenomenon that can't snap in sprocket 802 is arranged, represent that promptly detected sprocket wheel 801 has had the impaired suggestion of abrasion to need to change.

And when detecting, more accurately be to adopt from this to support gauge rod 3 this first serial connection unit 41 farthest surely, because the aforementioned first chain sheet 411 is an outer plate, above-mentioned one chain sheet 411 such as grade is the wringing fit mode with latch 413 usually and combines, and be combined with clearance between the described latch 413 and the second chain sheet 421, so when being the target of detection with the chain order with first chain sheet 411, measurement accuracy is higher.The utility model is not necessity to have concave section 323 (see figure 2)s in design, and the function of aforementioned concave section 323 is convenient when this multi-functional gauge during in use, measurement, can not be subjected to the restriction of adjacent sprocket 802.

Consult Fig. 2,5, this flexible measuring piece 4 of present embodiment has one and is pivoted and is fixed in the center 44 that connects of this force section of supportting gauge rod 3 surely 31 again, and this support part 32 of deciding of supportting gauge rod 3 surely has one and decides support point 320 with second of sprocket 802 by what face 804 abutted against, described flexible measuring piece 4 also comprises a plurality of pivot centers 43 that defined by these latch 413 axle center respectively, and this to connect a center 44 to this distance of deciding 320 of support points be L1, distance between the two adjacent pivot centers 43 is L2, and the distance L 1 of this first preferred embodiment of the utility model approximates this distance L 2 greatly.In addition, this supports cambered surface 322 surely is to be provided with around deciding support point 320, and this chain rolls one of them rotation that 414 (see figure 4)s center on this pivot center 43 respectively.

As Fig. 6,7, shown in 8, this this first positioning convex portion 33 that supports gauge rod 3 surely is respectively from this measuring basis face 311 projection outward with this second positioning convex portion 34, this first positioning convex portion 33 has first surface of contact 330 of this second positioning convex portion 34 dorsad, this second positioning convex portion 34 has second surface of contact 340 of this first surface of contact 330 dorsad, this first surface of contact 330 is to be towards the protruding arc surfaced of these second positioning convex portion, 34 traversing arcs toward outer arc is curved from this force section 31, this second surface of contact 340 is to be plane, but when implementing, it is plane that this first surface of contact 330 also can be.

When with the multi-functional gauge of present embodiment when measuring chain 900 wear intensities, be to be first positioning convex portion 33 down to be planted be positioned wherein in the engaging hole 902, and make this first surface of contact 330 abut against Yu Yilian to roll 901, again second positioning convex portion 34 is relied on chain 900 toward the bottom, see whether this second positioning convex portion 34 can down insert predetermined engaging hole 902, whether elongated to judge this chain 900 above permissible range.

In the present embodiment, this first positioning convex portion 33 and second positioning convex portion 34 are in order to measure distance between first engaging hole 902 of arranging in regular turn and the 8th engaging hole 902, that is to say, first positioning convex portion 33 can be inserted in aforementioned first engaging hole 902, and with its first surface of contact 330 abut against in next-door neighbour first chain roll 901, again this force section 31 is relied on this chain 900 toward the bottom, this second positioning convex portion 34 of interlock is down inserted to this chain 900, if second positioning convex portion 34 can't be inserted the 8th engaging hole of arranging in regular turn 902 (as shown in Figure 7), just represent that chain 900 wear intensities are also in tolerance interval, if can insert the 8th engaging hole 902 (as shown in Figure 8), just represent the excessive wear of chain 900, and need to change.

Consult Fig. 9, the structure and first embodiment of second preferred embodiment of the multi-functional gauge of the utility model are similar, and comprise a certain support gauge rod 3 and a flexible measuring piece 4, the difference of the present embodiment and first embodiment is: this supports gauge rod about 3 surely is to be the uniform thickness shape to thickness, this flexible measuring piece 4 is to decide support part 32 with what the one end was hubbed at that this supports gauge rod 4 surely, this connect a center 44 to this decide support part 32 abut against in the distance L 1 of 320 of certain support points of sprocket 802 can equal between the two pivot centers 43 of this flexible measuring piece 4 distance L 2 1/2nd.

Shown in Figure 10,11, the 3rd preferred embodiment of the multi-functional gauge of the utility model and the first embodiment difference be in: this support surely gauge rod 3 to decide about support part 32 and this force section 31 to thickness be to be the uniform thickness shape, and about this first positioning convex portion 33 and this second positioning convex portion 34 to thickness, then be designed to less than the structure aspect of this force section about 31 to thickness, equally can be in order to measure the wear intensity of chain 900.

By above explanation as can be known, multi-functional gauge of the present utility model is novel structure not only, also can detect the abrasion situation of sprocket wheel 801 and chain 900 by simple operations easily, judge with convenient whether sprocket wheel 801 and chain 900 should be changed, and have the dual-use function of measuring sprocket wheel 801 and the wear intensity of chain 900 concurrently, quite convenient and practical, therefore, can reach the purpose of the utility model really.

The above person of thought, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, promptly the simple equivalent of being done according to the utility model claim and utility model description generally changes and modifies, and all still belongs in the scope that the utility model patent contains.

Claims (12)

1. multi-functional gauge, be used for inspecting a sprocket wheel and a chain, this sprocket wheel has a plurality of sprockets that center on a centre of sprocket and equal angles setting, and a plurality of positions striding at adjacent chain between cog by groove, this chain has a plurality of chains and rolls, and a plurality of respectively between two adjacent chain are rolled and embed the engaging hole of engagement for described sprocket, it is characterized in that this multi-functional gauge comprises:

Certain support gauge rod, the force section, one that comprises an elongated rod shape can be inserted this that lean against this sprocket wheel and be striden by the support part of deciding in one of them of groove, and along this application of force minister at intervals respectively from one first positioning convex portion and one second positioning convex portion of force section side direction projection outward, and this first positioning convex portion and second positioning convex portion can be inserted respectively in the wherein engaging hole that is against this chain; And

One flexible measuring piece supports gauge rod surely but pivot pendulum shifting ground is hubbed at this with the one end, and comprise a plurality of along its long to spaced apart and can be respectively for the gauge space of the sprocket inlay card engagement of this sprocket wheel.

2. multi-functional gauge according to claim 1, it is characterized in that, this force section has a measuring basis face, this first positioning convex portion is the two opposite rod ends that lay respectively at this force section with second positioning convex portion, and respectively by this measuring basis face projection outward, and this first positioning convex portion has first surface of contact of this second positioning convex portion dorsad, this second positioning convex portion has second surface of contact of this first surface of contact dorsad, and this first surface of contact is to extend outward from this force section to be plane or toward the curved arc surfaced that is of outer arc.

3. multi-functional gauge according to claim 1, it is characterized in that, this flexible measuring piece also comprises a plurality of first serial connection unit separately, and a plurality of serial connections respectively are hubbed on the second serial connection unit between the two adjacent first serial connection unit, each second serial connection unit have two separately and serial connection be hubbed at the second chain sheet between the two adjacent first serial connection portions, each first serial connection unit all has two first chain sheets, two latches that are connected in series this first chain sheet and the second chain sheet, and two rollably be located in the outer and chain between this second chain sheet of this latch and roll, and described gauge space is that the position is between two adjacent chains roll.

4. multi-functional gauge according to claim 3 is characterized in that, the quantity in the gauge space of this flexible measuring piece is 3～15.

5. multi-functional gauge according to claim 3, it is characterized in that, this support part of deciding of supportting gauge rod surely has two respectively towards the end side surface of the two-phase dorsal part direction of described sprocket wheel, and one be connected and decide the support cambered surface between this end side surface, and this supports cambered surface surely has one and abut against and insert striding of the leaning on support point of deciding by the sprocket of groove in defining.

6. multi-functional gauge according to claim 5 is characterized in that, the described cambered surface that supports surely has at least one concave section, and one connects this concave section and defines the relief section that this decides support point.

7. multi-functional gauge according to claim 5, it is characterized in that, this flexible measuring piece comprises that also one is articulated in the center that connects that this decides the support part, and a plurality of long to pivot center spaced apart and that defined by this latch respectively along it, and this connects a center and decides distance between support point more than or equal to 1/2nd of the spacing at two adjacent pivot centers to this.

8. multi-functional gauge according to claim 5, it is characterized in that, this flexible measuring piece comprises that also one is articulated in a center that connects of this force section, and a plurality of long to pivot center spaced apart and that defined by this latch along it, and this connects a center and decides distance between support point more than or equal to two spacings that equate the pivot centers to this.

9. multi-functional gauge according to claim 5, it is characterized in that, and this flexible measuring piece to roll away from this chain that supports outermost first serial connection unit of gauge rod surely be to abut against between this first chain sheet with its two ends, its axial length can be long greater than the chain roller bearing of other first serial connection unit.

10. according to claim 3 or 9 described multi-functional gauges, it is characterized in that, do not roll and can roll away from this chain that supports the outermost first serial connection unit of gauge rod surely.

11. multi-functional gauge according to claim 1, it is characterized in that, this force section have two opposing and respectively towards the two-phase dorsal part direction of described sprocket wheel and long to the side that extends in parallel along it, an and measuring basis face that is connected between this side, this supports gauge rod surely is to be the flat bar shape, and its integral thickness be from its away from a side of this measuring basis face towards this measuring basis face direction attenuation gradually.

12. multi-functional gauge according to claim 1 is characterized in that, the thickness of this first positioning convex portion and second positioning convex portion is less than this force section thickness.

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