CN2464370Y - Pedal angle adjusting structure of front press-bottom of pedal exerciser - Google Patents

Abstract

The utility model relates to a pedal angle adjusting structure of a front button of a stepping exerciser. A pedal angle adjusting knob of an existing stepping exerciser is arranged on the lower side in a structure main body, and the pedal angle adjusting knob of the utility model is arranged in the front outside the structure main body. The front and the rear sides of a front vertical beam of the structure main body are fixedly provided with an inner sleeve barrel, and the front section of the inner sleeve barrel is provided with inner threads. A knob outer thread column is arranged in the front on the outside and the knob outer thread column is screwed in from front to rear. The rear section in the inner sleeve barrel is provided with a long inner hole, and a front supporting shaft of a square frame on the rear can be inserted into the long inner hole. The convenience of operation and observation is improved by the utility model.

Description

The preposition adjustment pedal angle structure of turning round of treadmills

The utility model relates to the preposition adjustment pedal angle structure of turning round of a kind of treadmills, the especially a kind of preposition adjustment pedal angle structure of turning round of treadmills that can adjust the pedal angle more easily.

Existing treadmills sports equipment mainly provides the reciprocal trample action of the left and right pin of people, because in order to improve people's scope of application, so the demand of foot position height is arranged for the different of individual stature and custom, so the structure that can adjust angle between left and right pedal is provided, has become a structure that treadmills is very popular.This structure of adjusting the pedal angle has following two shortcomings; 1). the turn-knob of adjusting angle is positioned at below, structural body inside, operation inconvenience; 2). the hand designations of adjusting angle is observed difficulty.

The preposition adjustment pedal angle structure of turning round of treadmills of the present utility model, its purpose mainly is to carry out architecture advances at above-mentioned shortcoming, enables that it is adjusted the turn-knob position and changes in structural body the place ahead appearance.

For the utility model that achieves the above object adopts following technical scheme: the preposition adjustment pedal angle structure of turning round of treadmills, mainly be that the adjustment pedal angle turn-knob of existing treadmills is put in the outside the place ahead of structural body by changing below the structural body inside, the preceding upright beam front and rear direction of structural body is installed with an inner sleeve, the inner leading portion of inner sleeve has internal thread, an outside preposition turn-knob external screw thread post screws in from front to back, and the inner back segment of inner sleeve has interior slotted hole for the preceding fulcrum insertion of rear one square opening frame.

Square opening frame described in the utility model has the square opening tee section of a left and right direction, the inside pulley that is pivoted, slotted hole was to the male end of withstanding preposition turn-knob in the inner sleeve of the place ahead for inserting for fulcrum before the front was installed with, and the back is installed with the back fulcrum for inserting back locating piece circular hole.

Be installed with a stator below the middle coupling beam that links to each other with preceding upright beam among the structural body described in the utility model.

The utility model has compared with prior art been done improvement with the position of preposition adjustment turn-knob, thereby has improved operation greatly and seen the convenience of looking into.

Description of drawings of the present utility model is as follows:

Fig. 1 is the preposition adjustment structure chart of turning round of the present utility model.

Fig. 2 is the partial enlarged drawing of Fig. 1.

Fig. 3 is a combination section of the present utility model.

Fig. 4 is an adjustment pulley front and back position schematic diagram of the present utility model.

Fig. 5 is the treadmills left and right sides fulcrum schematic diagram of using always.

Fig. 6 is the treadmills vertical view of using always.

Fig. 7 is the treadmills outside drawing of using always.

Below in conjunction with accompanying drawing the utility model is described in further detail: the treadmills structure of prior art such as Fig. 5～shown in Figure 7, be respectively the pedal rotating fulcrum of existing treadmills, outward appearance and schematic top plan view, it is a left and right sides near symmetrical pedal structure, upright beam 33 before on front rail 32, connecing, connect coupling beam 39 in the declivity behind preceding upright beam 33 epimeres, in connect rear transverse rod 34 after the coupling beam 39 and become under the main structure body, before upright beam 33 epimere left and right directions have right-hand rotation tube 22 pivot joints that left fulcrum 18 (please referring to shown in Figure 5) and right fulcrum 28 (please referring to shown in Figure 5) are inserted in the left-hand rotation tube 12 of left treadle 11 front ends and right treadle 21 front ends respectively, and each left side of difference, right piston cylinder 15,25 upper ends are articulated in a left side, right treadle 11, the left side of 21 belows, right back fulcrum 14,24 and lower ending pivot be connected to the left side of both sides, front rail 32 rear, right front fulcrum 13,23; Coupling beam 39 (please referring to shown in Figure 6) below has support 37 and passes the back for the rear end screw thread by a pulley 30 pivots unification U frame 38 and screw in a rotation and turn round 36 in conjunction with it among structural body again, also be articulated in right pendulum 26 lower ends that the tube of turning right is stretched for 22 times with steel wire rope 31 1 ends of a suitable length this moment, insert pulley groove 30 backward and stride across U frame 38, the other end is articulated in left pendulum 16 lower ends that tube is stretched for 12 times, so is a typical treadmills basic structure combination.

Please referring to Fig. 7 and cooperate shown in Figure 6ly, its pedal 20 rear end stops 70 are suitable to support cross bar 34, thus be the extreme lower position of right-hand tread plate 20, and left-hand tread plate 10 also is extreme higher position (turning round under 36 not rotating to rotate); Trample left-hand tread plate 10 time when user's left foot of exerting oneself this moment, to cause left treadle 11 is center and the rotation of left-hand tread plate 10 downward directions with turn left tube 12 and left fulcrum 18, and one side has been compressed left piston tube 15, its left side, tube 12 belows pendulum 16 that turns left rotates forward and has spurred steel wire rope 31 1 ends on the other hand, see through pulley 30 rotary actions that middle coupling beam 39 below U frame 38 pivots close, the right pendulum 26 that has produced the pivot joints of pulling steel wire rope 31 other ends rearward rotates, cause right treadle 21 upward to rotation, and make right-hand tread plate 20 upwards move and 25 elongations of right piston cylinder, till left-hand tread plate 10 stops 70 prop up rear transverse rod 34; Change with right crus of diaphragm and firmly trample right-hand tread plate 20 this moment, with producing the symmetry action of same mechanism principle, so repeats left foot, right crus of diaphragm continuous action, and reached the effect of user's both feet motions.

Then middle coupling beam 34 belows rotations is turned round 36 and unscrew when the user will improve 10,20 angles of left and right pedal, cause pulley 30 reaches, pulley 30 and left and right pendulum 16 have furthered, 26 distance is because backstop 70 positions of left and right pedal 10,20 are constant, so left and right pedal 10,20 minimum point also is constant, down fixing in pulley 30 reaches and steel wire rope 31 length, will cause left and right pendulum 16,26 forward swing angles to strengthen, so improved the angle of 10,20 on left and right pedal; Otherwise, screw rotation turn round 36, after move pulley 30, will reduce the angle of 10,20 on left and right pedal.The whole scope that general treadmills commonly used, its pulley 30 move forward and backward is just enough about 10mm.Be not difficult to find out that by said circumstances its rotation turns round 36 and be arranged in coupling beam 39 bottoms, operation inconvenience arranged really and see to look into to be difficult for phenomenon.

As shown in Figures 1 and 2, in original pulley 30 positions, be provided with front and back and all have a fulcrum 51, the square opening frame 50 in 53 degree of lip-rounding cross section, inside is inserted pulley 30 and is penetrated a pulley center axle 52 pivots up and down and closes, insert pulley groove 30 for steel wire rope 31 and also articulate left and right pendulum 16,26, (as shown in Figure 6) in two ends; 51 of fulcrums are forward corresponding to preceding upright beam 33 system point positions before the square opening frame 50, be installed with an inner sleeve 60, these inner sleeve 60 back segments have fulcrum 51 insertions alive before slotted hole 62 supplier's mouth frames 50 in enough degree of depth, and under moving, the 50 front and back adjustment of square opening frame still keep straight line to locate, and inner sleeve 60 leading portions have after a sufficient length internal thread 61 is inserted in a snail spring 82 for a preposition turn-knob 80, its external screw thread 81 screws in from front to back, cause on the one hand and suitably compressing snail spring 82, head on square opening frame 50 preceding fulcrum 51 ends on the other hand.

For avoiding pulley 30 front and back adjustment to move and be subjected to deflection and the not enough situation of rigidity are arranged under steel wire rope 31 pulling force, be provided with a positioning block 40 with respect to square opening frame 50 back fulcrum 53 rectilinear directions, this locating piece 40 is provided with a circular hole 42, supplier's mouth frame 50 back fulcrums 53 are lived and are inserted the location, locating piece 40 then have some screws 41 sides of keeping supplying be fixedly arranged in stator 44 circular holes 43 of coupling beam 39 appropriate locations, with screw 45 in conjunction with it; So, finished the preposition adjustment pedal angle structure of turning round of the utility model.

Please referring to shown in Fig. 4 the first half, when strengthening 10,20 angles of left and right sides pedal, user's desire (pulley 30 reaches are got final product) again just as above-mentioned, and then, very convenient easy as long as upright beam 33 preposition turn-knobs 80 unscrew before treadmills; Preposition turn-knob 80 external screw threads 81 reaches this moment, face can spur pulley 30 with reach, and achieve the goal under steel wire rope 31 effect application of force effects; Otherwise, screwing this preposition turn-knob 80, external screw thread 81 moves after pushing up backward and causing pulley 30, just can dwindle the angle of 10,20 on left and right pedal.Therefore, the preposition adjustment pedal angle structure of turning round of the present utility model has been improved original operation really and has been difficult for reaching the shortcoming that difficulty is looked in sight, and has promoted the convenience of using, and has improved commodity value.

Claims (3)

1. preposition adjustment pedal angle structure of turning round of treadmills, mainly be that the adjustment pedal angle turn-knob of existing treadmills is put in the outside the place ahead of structural body by changing below the structural body inside, it is characterized in that: the preceding upright beam front and rear direction of structural body is installed with an inner sleeve, the inner leading portion of inner sleeve has internal thread, an outside preposition turn-knob external screw thread post screws in from front to back, and the inner back segment of inner sleeve has interior slotted hole for the preceding fulcrum insertion of rear one square opening frame.

2. the preposition adjustment pedal angle structure of turning round of treadmills according to claim 1, it is characterized in that: described square opening frame has the square opening tee section of a left and right direction, the inside pulley that is pivoted, slotted hole was to the male end of withstanding preposition turn-knob in the inner sleeve of the place ahead for inserting for fulcrum before the front was installed with, and the back is installed with the back fulcrum for inserting back locating piece circular hole.

3. the preposition adjustment pedal angle structure of turning round of treadmills according to claim 1 is characterized in that: be installed with a stator below the middle coupling beam that links to each other with preceding upright beam among the described structural body.

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