CN200966901Y

CN200966901Y - Roller skate that can prevent skating backward

Info

Publication number: CN200966901Y
Application number: CN 200620043148
Authority: CN
Inventors: 陈明鉴
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-26
Filing date: 2006-06-26
Publication date: 2007-10-31
Anticipated expiration: 2016-06-26

Abstract

The utility model relates to roller skates for preventing back rolling, which comprises a combination frame of sole plate, front and rear mandrels with supporting brackets , two single-direction idler wheels which is able to roll only forward arranged at the two ends of the front mandrel , and two two-direction idler wheels which is able to roll forward and backward arranged at the two ends of the rear mandrel. The single-direction idler wheel is composed of a wheel, a mechanic surpassing clutch arranged in the round hole of the wheel, a pressure cover, an annular ball bearing, an axle sleeve, a bush, and a flat key arranged at one end of the mandrel. The flange of the surpassing clutch is embedded into the round hole of the wheel, and the inner ring of the surpassing clutch is connected with the mandrel through flat keys. Since the external ring of the surpassing clutch can only rotate toward one direction relatively, so the single-direction idler wheel can not roll forward, which makes the roller skates roll only forward. With the antiskid roller skates, the beginners can easily control the balance of bodies, do not tumble down, and learn roller skates rolling forward quickly. Users can speed up the roller skates with less strength.

Description

Prevent the roller skate that the back is sliding

Affiliated technical field

The utility model relates to roller skate, particularly prevents the roller skate that the back is sliding.

Background technology

Four trundles of existing roller skate bottom configuration all adopt can be made forward direction and roll and can do again towards the rear to the two-way roller that rolls, it is simple in structure, the resistance to rolling of roller is little, roll flexibly, skidding person can do advancing slip or the back is sliding etc. that various fancy wheels slide does, and is subjected to deeply vastly teen-agely to like.But,, bring following two aspect problems: the first because roller can be done two-way flexible rolling, when the beginner wears existing roller skate study roller skating, since roller skate forward with towards the rear to all rolling flexibly, in case health leans forward slightly, sole will be slided backwards; If health has hypsokinesis slightly, sole will be towards advancing slip; Beginner's balance that is hard to keep, wrestling is fallen easily, causes bodily injury; On the other hand, also be since roller forward with towards the rear to all rolling flexibly, skidding person is when power is pedaled in the underfooting for acceleration, can not be as the posture of normally walking, towards the dead astern of health to pedaling power, but need just can make sole non-slip, thereby obtain to quicken required power towards the outer proceeds posterolateral of health to pedaling power; Like this, the direction of ground pair roller frictional force and the angle of the direction of motion are bigger than normal, and the effective power that causes the power of pedaling to produce reduces; Simultaneously, because it is different with the power of the pedaling posture of walking usually to pedal the power posture, makes the difficult adaptation of beginner and grasp.

Summary of the invention

In order to solve the problem that above-mentioned existing roller skate exists,, the utility model can prevent to make to sliding towards the rear the beginner can compare safety, learn the roller skate that direction forward slides faster thereby providing a kind of.

The technical scheme that its technical problem that solves the utility model adopts is: the roller skate that prevents that the back is sliding described in the utility model, it comprises the sole combined bay of widely used adjustable shoes floor length on the existing roller skate, two axle frame support brackets that are arranged at before the sole combined bay bottom the bottom and back respectively and are connected the sole combined bay by screw with the rubber buffer piece, two be placed through respectively before, in the cylindrical hole of rear spindle frame support bracket bottom and be screwed the axle that is parallel to each other of position, four be disposed at respectively before, the roller of rear spindle both end sides; Two rollers of axle both end sides are to dispose plant formula freewheel clutch, complete radial ball bearing, gland, lining, axle sleeve, flat key thereby only can make the one-way rolling that direction is forward rolled in its roller wheel body before wherein being disposed at, and two rollers that are disposed at the rear spindle both end sides are only to dispose radial ball bearing and axle sleeve thereby can make direction forward and roll and can make towards the rear two-way roller to rolling again in its roller wheel body.

Described one-way rolling, comprise a roller wheel body with face of cylinder gabarit, a plant formula freewheel clutch and a gland of in the shouldered cylindrical hole of roller wheel body one side, being provided with, two are disposed in the shouldered cylindrical hole of roller wheel body opposite side respectively and the complete radial ball bearing in the shouldered cylindrical hole of gland one side, a lining that is placed through in the plant formula freewheel clutch inner ring circular hole, two are disposed at the axle sleeve in the interval between lining both sides and the complete radial ball bearing inner ring respectively, one is disposed at plant formula freewheel clutch inner ring circular hole wheel hub groove, flat key between lining slotted hole and the axial trough, a plain washer, a spring washer, nut and they being fused and a side that terminal has externally threaded axle.The architectural feature of one-way rolling also has: the bus in the shouldered cylindrical hole of flange embedding roller wheel body one side on the gabarit of plant formula freewheel clutch outer ring makes between plant formula freewheel clutch outer ring and the roller wheel body and can not relatively rotate in groove; Adopt flat key to connect between plant formula freewheel clutch inner ring circular hole and lining and the axle, make between plant formula freewheel clutch inner ring and lining and the axle and can not relatively rotate; Because said structure feature, again owing to can only relatively rotate and can not do to another way towards a direction between plant formula freewheel clutch inner ring and the outer ring relative to rotating continuously, because axle has been fixed circumferentially and axial location by screw in axle frame support bracket cylindrical hole, make one-way rolling have forward that direction is rolled and can not be more towards the rear to the characteristic of rolling.

The utility model prevents that the plant formula freewheel clutch that is adopted in the one-way rolling in the sliding roller skate in back from having two kinds of preferred types: first kind of preferred type is complete friction-type roller-type freewheel clutch, adopts the sliding roller skate in back that prevents of this type freewheel clutch to be called the roller skate that the M type prevents that the back is sliding in all one-way rollings; Second kind of preferred type is complete engagement type click type freewheel clutch, adopts the sliding roller skate in back that prevents of this type freewheel clutch to be called the roller skate that the J type prevents that the back is sliding in all one-way rollings.

The beneficial effects of the utility model are: when making roller skating, people's center of gravity is in forward-lean state usually, the major part of the one-way rolling grantee body weight before the utility model prevents in the sliding roller skate in back on the axle, therefore, with pin when power is pedaled in the dead astern, because one-way rolling can not roll towards the rear, thereby the force of sliding friction that produces between one-way rolling and ground can effectively prevent the power that sole skids backward and the energy conduct is quickened; Like this, the people who begins to learn skidding is more easily kept one's balance, safer, learn the skidding action of basic direction forward quickly; Because when quickening, with pin towards the dead astern to pedaling power, identical with the normal posture of walking, the beginner adapt to easily and ground less in the face of the angle of the direction of sole roller frictional force and the direction of motion, cause the effective power increase, more laborsaving during skidding.

Description of drawings

Fig. 1 is the pitching figure that the M type prevents the roller skate that the back is sliding

Fig. 2 is the A-A cutaway view shown in Fig. 1

Fig. 3 is the B-B cutaway view shown in Fig. 2

Fig. 4 is the E-E profile shown in Fig. 3

Fig. 5 is the C-C cutaway view shown in Fig. 2

Fig. 6 is the vertical view that the J type prevents the roller skate that the back is sliding

Fig. 7 is the A shown in Fig. 6 ₂-A ₂Cutaway view

Fig. 8 is the B shown in Fig. 7 ₂-B ₂Cutaway view

Fig. 9 is the F-F profile shown in Fig. 8

Figure 10 is the C shown in Fig. 7 ₂-C ₂Cutaway view

The specific embodiment

Referring to Fig. 1 to Fig. 5, this is one of preferred embodiment---the M type prevents the frame for movement schematic diagram of the roller skate that the back is sliding; A kind of M type prevents the roller skate that the back is sliding, it comprises the sole combined bay (1) of widely used adjustable shoes floor length in existing roller skate, be placed in the preceding axle frame support bracket (2) and the rear spindle frame support bracket (3) of preceding bottom of sole combined bay and bottom, back respectively, and screw (4) and rubber buffer piece (5) that they and sole combined bay (1) are coupled together, be placed through in preceding axle frame support bracket (2) the lower cylindrical hole respectively and preceding axle (6) and rear spindle (7) in rear spindle frame support bracket (3) the lower cylindrical hole, the screw (8) that is used for fixing the axial and circumferential position in preceding axle (6) and rear spindle (7) the place cylindrical hole, be disposed at preceding axle (6) both end sides and have and to make direction forward and roll and can not make towards the rear one-way rolling (9) to rolling function, be disposed at rear spindle (7) both end sides and have and to make forward direction and roll and to do again towards the rear, be disposed at preceding axle (6) and rear spindle (7) two lateral terminals and be respectively applied for the fixedly plain washer (11) of one-way rolling (9) and two-way roller (10) position on axle to the two-way roller (10) of rolling function, spring washer (12) and nut (13).

Described sole combined bay (1), sole riveted joint combined bay (14) and back sole riveted joint combined bay (15) before comprising, sole riveted joint combined bay (14) and back sole riveted joint combined bay (15) and can regulate the channel-section steel (16) of distance and position between them before connection, and the position after regulating their screw (17), backing plate frame (18), spring washer (19) and the nut (20) that tighten up.

Described one-way rolling (9), comprise one-way rolling wheel body (21), be arranged on a complete friction-type roller-type freewheel clutch (22) and a gland (23) in one-way rolling wheel body (21) the one side band convex shoulder cylindrical holes, two are placed in one-way rolling wheel body (21) the opposite side band convex shoulder cylindrical hole respectively and gland (23) one side cylindrical holes are interior can bear the complete radial ball bearing (24) of axial force again by bearing radial force, the interior lining (26) of circular hole that is configured in inner ring (25) in the complete friction-type roller-type freewheel clutch (22), two be configured in respectively lining (26) both sides and and the stack of the axial length of lining (26) after fix between the inner ring of two complete radial ball bearings (24) at interval axle sleeve (27) and axle sleeve (28) jointly, between wheel hub groove that is disposed at inner ring (25) in the complete friction-type roller-type freewheel clutch (22) and preceding axle (6) the one side shaft grooves and cross over the flat key (29) of lining (26) slotted hole; Before the shouldered cylindrical shaft of axle (6) the one sides endoporus, plain washer (11) that are placed through the endoporus, axle sleeve (27) of endoporus, the lining (26) of two complete radial ball bearings (24) and axle sleeve (28) and spring washer (12) endoporus and on axle terminal external screw thread, tighten with nut (13).It is in order, to make the inner ring (25) of complete friction-type roller-type freewheel clutch (22) go up axial micro-the floating of work at lining (26), thereby to prevent to occur between inner ring (25) and outer ring (30) the axial dislocation when tightening at nut (13) that lining (26) is set.The architectural feature of one-way rolling also has: the cylindrical gabarit Up Highway UHW of outer ring (30) embeds one-way rolling wheel body (21) one side band convex shoulder cylindrical hole median generatrixs in groove (32) to flange (31) in the complete friction-type roller-type freewheel clutch (22), makes between middle outer ring (30) of complete friction-type roller-type freewheel clutch (22) and the one-way rolling wheel body (21) and can not relatively rotate; Adopting flat key (29) to connect between inner ring (25) and preceding axle (6) and the lining (26) in complete friction-type roller-type freewheel clutch (22), is can not relatively rotate in order to make between them; Because before preceding axle (6) is placed through during axle frame support bracket (2) lower cylindrical hole, by screw (8) locked preceding axle (6) in cylindrical hole axially and circumferential position, preceding axle (6) can not be relatively rotated in cylindrical hole; Again owing to can only relatively rotate and can not make in relative rotation functional characteristic to another way and the relatively rotating property of above-mentioned single direction and the rollability of the single direction forward of one-way rolling are consistent towards a direction between outer ring (30) and the inner ring (25) in the friction-type roller-type freewheel clutch (22), can not be towards the rear so one-way rolling (9) has direction (as Fig. 4 direction of arrow) rolling forward to the function of rolling.

Described complete friction-type roller-type freewheel clutch (22), can be after buying matured product on the market, on the face of cylinder gabarit of its outer ring (30), by generatrix direction the welding of one bar shaped flange (31) is got on, can satisfy the required structural requirement of the utility model.

Described two-way roller (10), comprise two-way roller wheel body (33), two are disposed at and can bear the complete radial ball bearing (24) of axial force again by bearing radial force in the band convex shoulder cylindrical hole of two-way roller wheel body (33) both sides, the axle sleeve (34) that can fix in the two complete radial ball bearings (24) between the inner ring at interval; The endoporus, plain washer (11) that the shouldered cylindrical shaft of rear spindle (7) one sides is placed through endoporus, the axle sleeve (34) of two complete radial ball bearings (24) is with the endoporus of spring washer (12) and tighten with nut (13) on axle terminal external screw thread.

Referring to Fig. 6 to Figure 10, this is two of a preferred embodiment---the J type prevents the frame for movement schematic diagram of the roller skate that the back is sliding; A kind of J type prevents the roller skate that the back is sliding, the sole combined bay (51) that comprises widely used adjustable shoes floor length in existing roller skate, be placed in the preceding axle frame support bracket (52) and the rear spindle frame support bracket (53) of preceding bottom of sole combined bay and bottom, back respectively, and screw (54) and rubber buffer piece (55) that they and sole combined bay (51) are coupled together, be placed through in preceding axle frame support bracket (52) the lower cylindrical hole respectively and preceding axle (56) and rear spindle (57) in rear spindle frame support bracket (53) the lower cylindrical hole, the screw (58) that is used for fixing the axial and circumferential position in preceding axle (56) and rear spindle (57) the place cylindrical hole, be disposed at preceding axle (56) both end sides and have and to make direction forward and roll and can not make towards the rear one-way rolling (59) to rolling function, be disposed at rear spindle (57) both end sides and have and to make forward direction and roll and to do again towards the rear, be disposed at preceding axle (56) and rear spindle (57) two lateral terminals and be respectively applied for the fixedly plain washer (61) of one-way rolling (59) and two-way roller (60) position on axle to the two-way roller (60) of rolling function, spring washer (62) and nut (63).

Described sole combined bay (51), sole riveted joint combined bay (64) and back sole riveted joint combined bay (65) before comprising, sole riveted joint combined bay (64) and back sole riveted joint combined bay (65) and can regulate the channel-section steel (66) of distance and position between them before connection, and the position after regulating their screw (67), backing plate frame (68), spring washer (69) and the nut (70) that tighten up.

Described one-way rolling (59), comprise one-way rolling wheel body (71), be arranged on a complete engagement type click type freewheel clutch (72) and a gland (73) in one-way rolling wheel body (71) the one side band convex shoulder cylindrical holes, two are placed in one-way rolling wheel body (71) the opposite side band convex shoulder cylindrical hole respectively and gland (73) one side cylindrical holes are interior can bear the complete radial ball bearing (74) of axial force again by bearing radial force, the interior lining (76) of circular hole that is configured in inner ring (75) in the complete engagement type click type freewheel clutch (72), two be configured in respectively lining (76) both sides and and the stack of the axial length of lining (76) after fix between the inner ring of two complete radial ball bearings (74) at interval axle sleeve (77) and axle sleeve (78) jointly, between wheel hub groove that is disposed at inner ring (75) in the complete engagement type click type freewheel clutch (72) and preceding axle (56) the one side shaft grooves and cross over the flat key (79) of lining (76) slotted hole; Before the shouldered cylindrical shaft of axle (56) the one sides endoporus, plain washer (61) that are placed through the endoporus, axle sleeve (77) of endoporus, the lining (76) of two complete radial ball bearings (74) and axle sleeve (78) and spring washer (62) endoporus and on axle terminal external screw thread, tighten with nut (63).Lining (76) is set is at nut (63) when tightening, make the inner ring (75) of complete engagement type click type freewheel clutch (72) go up axial micro-the floating of work, thereby prevent to occur between inner ring (75) and outer ring (80) the axial dislocation at lining (76).The architectural feature of one-way rolling also has: the cylindrical gabarit Up Highway UHW of outer ring (80) embeds one-way rolling wheel body (71) one side band convex shoulder cylindrical hole median generatrixs in groove (82) to flange (81) in the complete engagement type click type freewheel clutch (72), makes between middle outer ring (80) of complete engagement type click type freewheel clutch (72) and the one-way rolling wheel body (71) and can not relatively rotate; Adopting flat key (79) to connect between inner ring (75) and preceding axle (56) and the lining (76) in complete engagement type click type freewheel clutch (72), is can not relatively rotate in order to make between them; Because before preceding axle (56) is placed through during axle frame support bracket (52) lower cylindrical hole, by screw (58) locked preceding axle (56) in cylindrical hole axially and circumferential position, preceding axle (56) can not be relatively rotated in cylindrical hole; Again owing to can only relatively rotate and can not do to another way also the relatively rotating property of above-mentioned single direction and the rollability of the single direction forward of one-way rolling to be consistent towards a direction between outer ring (80) and the inner ring (75) in the engagement type click type freewheel clutch (72) relative to the functional characteristic that rotates continuously, can not be towards the rear so one-way rolling (59) has direction (as Fig. 9 direction of arrow) rolling forward to the function of rolling.

Described complete engagement type click type freewheel clutch (72), can be after buying matured product on the market, on the face of cylinder gabarit of its outer ring (80), by generatrix direction the welding of one bar shaped flange (81) is got on, and after in former inner ring screw, adding a transition inner ring of being convenient to cooperate, can satisfy the required structural requirement of the utility model with lining (76).

Described two-way roller (60), comprise two-way roller wheel body (83), two are disposed at and can bear the complete radial ball bearing (74) of axial force again by bearing radial force in the band convex shoulder cylindrical hole of two-way roller wheel body (83) both sides, the axle sleeve (84) that can fix in the two complete radial ball bearings (74) between the inner ring at interval; The endoporus, plain washer (61) that the shouldered cylindrical shaft of rear spindle (57) one sides is placed through endoporus, the axle sleeve (84) of two complete radial ball bearings (74) is with the endoporus of spring washer (62) and tighten with nut (63) on axle terminal external screw thread.

Claims

1, a kind of roller skate that prevents that the back is sliding, it comprises the sole combined bay of an adjustable shoes floor length, two axle frame support brackets that are arranged at respectively before the sole combined bay bottom the bottom and back and are connected with the sole combined bay by screw and rubber buffer, two be placed through respectively before, in the cylindrical hole of rear spindle frame support bracket bottom and be screwed the axle that is parallel to each other of position, four be disposed at respectively before, the roller of rear spindle both end sides, it is characterized in that: two rollers of axle both end sides are to dispose plant formula freewheel clutch in its roller wheel body before being disposed at, complete radial ball bearing, gland, lining, axle sleeve, flat key thereby only can make the one-way rolling that direction is forward rolled, two rollers that are disposed at the rear spindle both end sides are only to dispose complete radial ball bearing and axle sleeve thereby can make direction forward and roll and can make towards the rear two-way roller to rolling again in its roller wheel body; Described one-way rolling, comprise an one-way rolling wheel body with face of cylinder gabarit, a plant formula freewheel clutch and a gland of in the shouldered cylindrical hole of one-way rolling wheel body one side, being provided with, two be disposed at respectively in the shouldered cylindrical hole of one-way rolling wheel body opposite side with the shouldered cylindrical hole of gland one side in can bear the complete radial ball bearing of axial force again by bearing radial force, a lining that is placed through in the plant formula freewheel clutch inner ring circular hole, two are disposed at the axle sleeve in the interval between lining both sides and the complete radial ball bearing inner ring respectively, one is disposed at plant formula freewheel clutch inner ring wheel hub groove, flat key between lining slotted hole and the preceding axle axial trough, a plain washer, a turn, nut and they being fused and a side that terminal has externally threaded axle; Plant formula freewheel clutch is disposed in the one-way rolling wheel body; During configuration, the bus in the shouldered cylindrical hole of flange embedding one-way rolling wheel body one side on the gabarit of plant formula freewheel clutch outer ring makes between plant formula freewheel clutch outer ring and the one-way rolling wheel body and can not relatively rotate in groove; Adopt flat key to connect between plant formula freewheel clutch inner ring and the axle, make between plant formula freewheel clutch inner ring and the axle and can not relatively rotate; Owing to can only relatively rotate and can not do to another way towards a direction between the outer ring of plant formula freewheel clutch and the inner ring relative to rotating continuously, again because axle has been fixed circumferential and axial location by screw in axle frame support bracket cylindrical hole, therefore, one-way rolling is had to do forward direction roll and can not do towards the rear to the characteristic of rolling.

2, the roller skate that prevents that the back is sliding according to claim 1, it is characterized in that: the plant formula freewheel clutch that is disposed in its one-way rolling is complete friction-type roller-type freewheel clutch or complete engagement type ratchet thorn claw type freewheel clutch.