TWM505317U - Screw locking device of body-building bicycle - Google Patents

Description

Exercise bike screw lock

The invention relates to a locking device, in particular to a screw locking device for an exercise vehicle.

The existing exercise bike is suitable for users of different sizes, and generally uses a screw lock device to adjust the front and rear distance between a pad and two pedals, as shown in FIG. 5 and FIG. The locking device includes a fixed shaft 70, a movable shaft 80 and an adjusting knob 90. The fixed shaft 70 is a hollow square tube body and includes a bundle of tube frames 71, and the diagonal line of the fixed shaft 70 is erected. And the lower half of the middle portion of the fixed shaft 70 is straightly formed to form a clamping hole 72. The bundle tube frame 71 is an U-shaped frame with an opening upward and correspondingly disposed on the periphery of the clamping hole 72. The beam tube The frame 71 is respectively provided with a mounting opening 711 and a fixing hole 712 in the width direction of the bottom surface of the fixing shaft 70. The fixing hole 712 is communicated with the mounting opening 711. The movable shaft 80 is a square rod and is disposed through In the fixed shaft 70, the diagonal line of the cross section of the movable shaft 80 is erected, and the front end of the movable shaft 80 extending from the fixed shaft 70 is combined with the seat cushion so that the movable shaft 80 can be opposite to the fixed shaft. 70 is slidable in the longitudinal direction, and the movable shaft 80 is provided with two adjacent sides, the two adjacent sides The surface may extend into the bundle tube frame 71 through the clamping hole 72;

The adjusting knob 90 is disposed on the beam frame 71 of the fixed shaft 70. The adjusting knob 90 is disposed on the movable shaft 80 and includes an adjusting screw 91, a fixing screw 92, an adjusting handle 93, and a clamping block. The set screw 94 and the spring 95 are disposed through the mounting hole 712 of the bundle tube frame 71. The adjusting screw 91 is provided with a fixed end 911 and a connecting end 912. The adjusting screw 91 The fixed end 911 is recessed axially inwardly to form a screw hole 913, and the adjusting screw 91 is provided with a driving surface 914 on the outer surface of the ring, so that the driving surface 914 is located between the mounting opening 711 and the fixing hole 712. The driving surface 914 is an externally threaded surface. The fixing screw 92 is inserted into the fixing hole 712 of the beam frame 71 and the screw hole 913 of the adjusting screw 91 to be screwed to each other to make the at least one washer 96. Between the fixed end 911 of the adjusting screw 91 and the fixing screw 92, wherein the at least one washer 96 is made of plastic, and the adjusting handle 93 is sleeved and fixed to the connecting end 912 of the adjusting screw 91, so that the The adjusting handle 93 rotates in synchronization with the adjusting screw 91, and the clamping block group 94 is located in the bundle tube frame 71. The clamping block set 94 includes a driving clamping block 941 and a driven clamping block 942. The driving clamping block 941 is disposed adjacent to the fixing hole 712 and forms a through hole. 943, the through hole 943 of the driving clip 941 is provided with an internal thread surface coaxial with the driving surface 914 on the inner surface, and the driven clamping block 942 is disposed adjacent to the mounting opening 711 and penetrates to form another perforation. 944, the inner surface of the through hole 944 of the driven clamping block 942 is a smooth surface. Further, the adjusting screw 91 is sleeved with an abutting ring 97 on a side of the driven clamping block 942 away from the fixing hole 712. The two outer sides of the abutting ring 97 respectively abut against the connecting end 912 of the adjusting screw 91 and the driven clamping block 942, and the shape of the clamping block set 94 corresponding to the lower half of the movable shaft 80 respectively abuts The two sides of the lower half of the movable shaft 80 are disposed, and the bottom surface of the bundle block 94 is spaced from the inner bottom surface of the bundle tube frame 71 such that the two clamp blocks 941, 942 are respectively located on both outer sides of the movable shaft 80. The spring 95 is sleeved on the adjusting screw 91 and abuts between the clamping block groups 94;

The two outer sides of the abutting ring 97 abut against the connecting end 912 of the adjusting screw 91 and the clamping block 94 adjacent to the mounting opening 711, and the through hole 941 of the clamping block 94 adjacent to the fixing hole 712. The surface is provided with an internal thread surface that is screwed to the driving surface 914, and the shape of the clamping block group 94 corresponding to the lower half of the movable shaft 80 respectively abuts against the two sides of the lower half of the movable shaft 80. When the direction of rotation of the hand 93 is adjusted so that the positions of the two frames 94 are close to each other and the movable shaft 80 is clamped, the fixing screw 92 rotates synchronously with the adjusting screw 91, so that the fixed shaft 70 is opposite to the movable shaft 80. The position is fixed to fix the front and rear distance between the seat cushion and the pedal. However, when the clamping block group 94 is to be disengaged from the movable shaft 80, the movable shaft 80 can slide relative to the fixed shaft 70. Then, the adjusting handle 93 needs to be rotated to move the clamping block group 94 away. At this time, the user may over-rotate the adjusting handle 93, and the driving clamping block 941 abuts against the fixing hole. 712 circumference, and the adjusting screw 91 and the fixing screw 92 continue to take the driving clamping block 941 as an axis Rotating, the fixing screw 92 is pushed against the at least one washer 96 to be pressed against the periphery of the fixing hole 712, and the at least one washer 96 may be damaged, or the fixing screw 92 and the fixing hole 712 of the bundle tube frame 71 may be caused. A reaction force is generated between the peripheral edges, so that the fixing screw 92 may be detached from the bundle tube frame 71 while being continuously pushed by the reaction force. If the adjustment handle 93 is continuously rotated, the adjustment of the existing exercise bike screw lock device may be caused. The screw 91 and the adjusting handle 93 are dropped by the bundle tube frame 71, so that the existing exercise bike screw locking device is inconvenient to use, so the existing exercise bike screw locking device is indispensable for improvement.

In order to solve the existing exercise bike screw locking device, when the adjusting handle is rotated to move the clamping block group away, the clamping block continuously pushes against the periphery of the fixing hole, and the fixing screw is pushed against the at least one washer. Pressing the periphery of the fixing hole, which may cause the at least one gasket to be broken, or the fixing screw may be detached from the beam frame by being continuously pushed by the reaction force, thereby causing the inconvenience of the screw lock device, and the present invention Mainly on the outer ring side of the adjusting screw and provided with a smooth limiting surface, and is equipped with a limiting elastic member, so that the position of the clamping block close to the fixing member is limited to the driving surface of the adjusting screw, then the The fixing member can be continuously fixed on the bundle tube frame, so that the novel screw locking device can keep working.

The utility model solves the prior art problem that the exercise bicycle screw locking device comprises: a fixed shaft, the fixed shaft is a hollow tubular body and comprises a bundle of tube frames, and the lower half of the fixed shaft penetrates to form a clip a hole is provided, the bundle tube frame is an open-ended frame body and correspondingly disposed on a periphery of the clamping hole, the bundle tube frame is respectively provided with an installation opening and a fixing hole in a width direction of the bottom surface of the fixed shaft, the fixing The movable shaft is connected to the mounting shaft; the movable shaft is a rod body and is disposed in the fixed shaft, so that the movable shaft can slide relative to the longitudinal direction of the bottom surface of the fixed shaft, and the movable shaft passes through the clamp a adjusting hole is disposed in the bundle tube frame, and an adjusting knob is disposed on the bundle tube frame of the fixed shaft and the movable shaft is disposed, the adjusting button includes an adjusting screw, a fixing member, and an adjustment The handlebars, the two clamps and the abutting elastic member are disposed in the fixing hole through the mounting opening of the bundle tube frame, the adjusting screw is provided with a fixed end and a connecting end, so that the adjusting Fixed end of screw The fixing hole extends from the connecting end of the adjusting screw, and the fixing end of the adjusting screw is axially recessed inwardly to form a positioning hole, and the outer ring side wall of the adjusting screw forms a driving surface and a limit a positioning surface adjacent to the driving surface and adjacent to the fixed end, wherein the driving surface and the limiting surface are located between the mounting opening and the fixing hole, and the driving surface is disposed adjacent to the mounting opening An externally threaded surface is disposed on the fixing hole and is a smooth surface. The fixing member passes through the fixing hole of the bundle tube frame and is combined with the positioning hole of the adjusting screw. The two clamping members are disposed in the connecting frame of the adjusting screw, and are disposed on the driving surface of the adjusting screw, and the two clamping blocks respectively abut the shape of the lower half of the movable shaft The two outer sides of the lower half of the movable shaft, and the bottom surfaces of the two clamp blocks are spaced apart from the inner bottom surface of the bundle tube frame, and the two clamp blocks respectively form a through hole, and the bundle close to the fixed hole The inner surface of the perforation of the block is provided with an inner snail corresponding to the driving surface Surface, to approach the opening of the mounting surface of the inner clamp beam smooth surface of a perforated block, against which the resilient member sleeved on the drive surface of the adjusting screw and clip against the beam between the two blocks.

The above-mentioned exercise device screw locking device, wherein the adjusting knob comprises a limiting elastic member, the limiting elastic member is sleeved on the limiting surface of the adjusting screw and abuts against the clamping block near the fixing hole and the fixing Between the holes.

In the foregoing exercise bike screw locking device, the adjusting knob comprises a washer, and the fixing member is combined with the positioning hole of the adjusting screw via the fixing hole of the washer and the bundle tube frame.

The above-mentioned exercise bike screw locking device, wherein the adjusting knob comprises an abutting ring, the abutting ring is sleeved with the adjusting screw, and the two outer sides of the abutting ring respectively abut the connecting end of the adjusting screw and close to the Install the clips of the mouth.

In the foregoing exercise bike screw locking device, wherein the abutting elastic member is a spring.

In the foregoing exercise bike screw locking device, wherein the limiting elastic member is a spring.

In the foregoing exercise bike screw locking device, the outer diameter of the driving surface is larger than the outer diameter of the limiting surface.

The improvement of the efficiency obtained by the technical means of the present invention includes: the present invention mainly has a driving surface which is a thread surface and a limiting surface which is a smooth surface on the outer ring side wall of the adjusting screw, and the outer diameter of the driving surface The outer diameter of the limiting surface is larger than the outer diameter of the limiting surface, and the clamping block is sleeved on the driving surface, and the limiting elastic member is sleeved on the limiting surface and abuts against the driving clamping block, so that the new type When the adjusting screw is rotated to separate the two clamping blocks, the driving clamping block position is restricted on the limiting surface and is pushed by the limiting elastic member, and the driving clamping block is on the limiting surface The idling is generated such that the drive clamp block does not abut the bundle tube frame, and the fastener is continuously coupled with the rotary screw to maintain the operation.

In order to understand the technical features and practical effects of the present invention in detail, and in accordance with the novel content, the following further describes the preferred embodiment as shown in the following figure:

The preferred embodiment of the exercise bike screw lock device of the present invention is as shown in FIGS. 1 to 3 . The exercise bike screw lock device includes a fixed shaft 10 , a movable shaft 20 and an adjustment knob 30 .

The fixed shaft 10 is a hollow square tube body and includes a bundle of tube frames 11 , and the diagonal line of the section of the fixed shaft 10 is erected, and the lower half of the middle portion of the fixed shaft 10 is formed through a clamping hole. 12, Preferably, the clamping hole 12 is a V-shaped hole, and the beam frame 11 is an opening-up frame and correspondingly disposed on the periphery of the clamping hole 12, preferably, the beam The tube frame 11 is a U-shaped frame, and the beam frame 11 is respectively provided with a mounting opening 111 and a fixing hole 112 in the width direction of the bottom surface of the fixing shaft 10, and the fixing hole 112 communicates with the mounting opening 111. The movable shaft 20 is a square rod and is disposed in the fixed shaft 10 such that the movable shaft 20 can slide relative to the longitudinal direction of the bottom surface of the fixed shaft 10, and the movable shaft 20 is provided with two adjacent sides. Two adjacent sides may extend into the bundle tube frame 11 through the clamping hole 12;

Referring to FIG. 2 to FIG. 4 , the adjusting knob 30 is disposed on the beam tube frame 11 fixed to the fixed shaft 10 and the movable shaft 20 is disposed. The adjusting knob 30 includes an adjusting screw 31 , a fixing member 32 , and an adjustment. The handle 33, a clip block 34, abutting the elastic member 35 and a limiting elastic member 36, the adjusting screw 31 is inserted into the fixing hole 112 through the mounting opening 111 of the bundle tube frame 11, The adjusting screw 31 is provided with a fixing end 311 and a connecting end 312, so that the fixing end 311 of the adjusting screw 31 extends out of the fixing hole 112 mounting opening 111, and the connecting end 312 of the adjusting screw 31 extends out of the mounting opening The fixing end 311 of the adjusting screw 31 is recessed axially inwardly to form a positioning hole 313. Preferably, the positioning hole 313 is a screw hole, and the outer ring side wall of the adjusting screw 31 forms a driving surface 314. And a limiting surface 315, the driving surface 314 is disposed adjacent to the mounting opening 111 and is an external thread surface. The limiting surface 315 is adjacent to the driving surface 314 and adjacent to the fixed end 311. The limiting surface 315 is located between the mounting opening 111 and the fixing hole 112. The limiting surface 315 is disposed adjacent to the fixing hole 11 2 is a smooth surface, the outer diameter of the driving surface 314 is larger than the outer diameter of the limiting surface 315;

The fixing member 32 is coupled to the positioning hole 313 of the adjusting screw 31 via the fixing hole 112 of the tube frame 11. Preferably, the fixing member 32 is a screw, so that the fixing member 32 is screwed to the fixing member 32. In the positioning hole 313, the fixing member 32 is combined with the fixing hole 112 of the beam frame 11 and the positioning hole 313 of the adjusting screw 31. The adjusting handle 33 is sleeved and fixed to the adjusting hole. The connecting end 312 of the screw 31 causes the adjusting screw 31 to rotate synchronously with the adjusting handle 33. The clamping block set 34 is located in the bundle tube frame 11 and sleeved on the driving surface 314 of the adjusting screw 31 and includes a Driving the clamping block 341 and a driven clamping block 342, the bottom surface of the clamping block group 34 is spaced apart from the inner bottom surface of the bundle tube frame 11, and the driving clamping block 341 is disposed adjacent to the fixing hole 112, The driving clip block 341 is formed through a through hole 343, and the inner surface of the through hole 343 of the driving clip block 341 is provided with an internal thread surface corresponding to the driving surface 314;

The driven clamping block 342 is disposed adjacent to the mounting opening 111. The driven clamping block 342 extends through the other through hole 344. The inner surface of the through hole 344 of the driven clamping block 342 is a smooth surface, and the same The shape of the clamping block group 34 corresponding to the lower half of the movable shaft 20 respectively abuts against two adjacent sides of the lower half of the movable shaft 20, preferably, the driving clamping block 341 and the driven clamping block The 342 is a trapezoidal block, and the top surface of the driving clamping block 341 and the driven clamping block 342 are facing inclined faces. Further, an adjusting screw 31 is disposed on the abutting ring 38. The two outer side surfaces of the abutting ring 38 abut against the connecting end 312 of the adjusting screw 31 and the driven clamping block 342. The abutting elastic member 35 is sleeved on the driving surface 314 of the adjusting screw 31 and abuts Between the two clamping blocks 341 and 342, the abutting elastic member 35 is a spring. The limiting elastic member 36 is sleeved on the limiting surface 315 of the adjusting screw 31 and abuts against the limiting surface 315 of the adjusting screw 31. Preferably, the limiting elastic member 36 is a spring between the driving clamping block 341 and the fixing hole 112.

As shown in FIG. 1 , FIG. 3 and FIG. 4 , when the present invention is used, the fixed shaft 10 is fixed to an exercise bike A, and the movable shaft 20 extends from the front end of the fixed shaft 10 to fix a pad 40. The adjusting handle 33 rotates, and the adjusting screw 31 rotates the adjusting handle 33 to drive the fixing member 32 to rotate, and drives the driving clamping block 341, and the abutting ring 38 pushes against the driving clamping block 341. The two clamping blocks 341, 342 are brought close to each other, and the two adjacent sides of the movable shaft 20 are clamped by the inclined surface of the top surface thereof, and the relative positions of the fixed shaft 10 and the movable shaft 20 are fixed to fix the fitness. The seat cushion 40 of the vehicle A is opposite to the front and rear positions of the two pedals. When the movable shaft 20 is to slide relative to the fixed shaft 10, the adjustment handle 33 is rotated to move the two clamp blocks 341 and 342 away from each other. The limiting surface 315 is a smooth surface, and the outer diameter of the driving surface 314 is larger than the outer diameter of the limiting surface 315, and the limiting elastic member 36 is abutted between the driving clamping block 341 and the fixing hole 112. The position of the driving clip block 341 is limited by the limiting surface 315, that is, the driving clamping block 341 is idling on the limiting surface 315. When the limiting elastic member 36 is pushed against the periphery of the fixing hole 112, the adjusting screw 31 does not move closer to the beam frame 11, so that the fixing member 32 does not approach the outer periphery of the fixing hole 112. The gasket 37 is not damaged by the fixing member 32 against the outer periphery of the fixing hole 112, so that the fixing member 32 and the adjusting screw 31 are continuously combined, and the present invention can maintain the operation.

10‧‧‧Fixed shaft
11‧‧‧Bundle tube frame
111‧‧‧Installation
112‧‧‧Fixed holes
12‧‧‧Clamping holes
20‧‧‧Activation axis
30‧‧‧Adjustment knob
31‧‧‧Adjustment screws
311‧‧‧ fixed end
312‧‧‧ Link
313‧‧‧Positioning holes
314‧‧‧ Driving surface
315‧‧‧Limited surface
32‧‧‧Fixed parts
33‧‧‧Adjusting the handlebars
34‧‧‧Clamping block group
341‧‧‧Drive clamps
342‧‧‧ driven clamps
343‧‧‧Perforation
344‧‧‧Perforation
35‧‧‧Resist the elastic parts
36‧‧‧Limited elastic parts
37‧‧‧Washers
38‧‧‧Abutment ring
40‧‧‧Cushion
A‧‧‧ exercise bike
70‧‧‧Fixed shaft
71‧‧‧Bundle tube frame
711‧‧‧Installation
712‧‧‧Fixed holes
72‧‧‧Clamping holes
80‧‧‧Activity axis
90‧‧‧Adjustment knob
91‧‧‧Adjustment screw
911‧‧‧ fixed end
912‧‧‧ link end
913‧‧‧ screw holes
914‧‧‧ Driving surface
92‧‧‧ fixing screws
93‧‧‧Adjusting the handlebars
94‧‧‧Clamping block group
941‧‧‧ drive clamp block
942‧‧‧Removable clamps
943‧‧‧Perforation
944‧‧‧Perforation
95‧‧‧ Spring
96‧‧‧Washers
97‧‧‧Abutment ring

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing the operation of the preferred embodiment of the present invention. Figure 2 is a perspective view of a preferred embodiment of the present invention. Figure 3 is a perspective exploded view of the preferred embodiment of the present invention. Figure 4 is a cross-sectional side view of the preferred embodiment of the present invention taken along line 4-4 of Figure 2; Fig. 5 is a perspective exploded view of the conventional exercise bike screw lock device. Figure 6 is a cross-sectional side view of a conventional exercise bike screw lock device.

10‧‧‧Fixed shaft

11‧‧‧Bundle tube frame

111‧‧‧Installation

112‧‧‧Fixed holes

12‧‧‧Clamping holes

20‧‧‧Activation axis

30‧‧‧Adjustment knob

31‧‧‧Adjustment screws

311‧‧‧ fixed end

312‧‧‧ Link

313‧‧‧Positioning holes

314‧‧‧ Driving surface

315‧‧‧Limited surface

32‧‧‧Fixed parts

33‧‧‧Adjusting the handlebars

34‧‧‧Clamping block group

341‧‧‧Drive clamps

342‧‧‧ driven clamps

343‧‧‧Perforation

344‧‧‧Perforation

35‧‧‧Resist the elastic parts

36‧‧‧Limited elastic parts

37‧‧‧Washers

38‧‧‧Abutment ring

Claims (7)

An exercise bike screw locking device includes: a fixed shaft, the fixed shaft is a hollow tubular body and includes a bundle of tube frames, and the lower half of the fixed shaft penetrates to form a clamping hole, and the bundle tube frame is The opening of the frame is correspondingly disposed on the periphery of the clamping hole, and the beam frame is respectively provided with a mounting opening and a fixing hole in the width direction of the bottom surface of the fixing shaft, and the fixing hole communicates with the mounting opening; a movable shaft, the movable shaft is a rod body and is disposed in the fixed shaft, such that the movable shaft can slide relative to the longitudinal direction of the bottom surface of the fixed shaft, and the movable shaft extends through the clamping hole to the bundle tube frame And an adjustment knob disposed on the bundle tube frame of the fixed shaft and sandwiching the movable shaft, the adjustment button includes an adjusting screw, a fixing member, an adjusting handle, a clamping block group, and The fixing screw is disposed in the fixing hole through the mounting hole of the bundle tube frame, and the adjusting screw is provided with a fixing end and a connecting end, so that the fixing end of the adjusting screw protrudes from the fixing Hole, and the adjustment screw The fixing end of the adjusting screw protrudes inwardly to form a positioning hole, and the outer ring side wall of the adjusting screw forms a driving surface and a limiting surface, and the limiting surface is adjacent to the fixing surface The driving surface is adjacent to the fixed end, so that the driving surface and the limiting surface are located between the mounting opening and the fixing hole, and the driving surface is disposed adjacent to the mounting opening and is an external thread surface, the limiting position The fixing surface is disposed on the connecting end of the fixing screw, and the fixing member is disposed in the fixing hole of the beam frame to be combined with the positioning hole of the adjusting screw, and the adjusting handle is sleeved on the connecting end of the adjusting screw The clamping block group is located in the bundle tube frame and sleeved on the driving surface of the adjusting screw and includes a driving clamping block and a driven clamping block, the bottom surface of the clamping block group and the bundle tube frame The inner bottom surface is spaced apart, the driving clip block is disposed adjacent to the fixing hole, the driving clip block is formed through a through hole, and the inner surface of the perforation of the driving clip block is provided with a female thread surface corresponding to the driving surface And the driven clamp block is disposed near the installation port, and the The movable clamp beam is formed to form another through hole, and the inner surface of the perforation of the driven clamp block is a smooth surface, and the abutting elastic member is sleeved on the driving surface of the adjusting screw and abuts against the two clamping blocks. between. The adjusting device of the first embodiment of the present invention, the adjusting knob includes a limiting elastic member, and the limiting elastic member is sleeved on the limiting surface of the adjusting screw and abuts against the driving clamping block and Between the fixing holes. The exercise device screw lock device of claim 2, wherein the adjusting knob comprises a washer, and the fixing member is coupled to the positioning hole of the adjusting screw via the fixing hole of the washer and the bundle tube frame. The adjusting mechanism of the exercise vehicle according to claim 3, wherein the adjusting knob comprises an abutting ring, the abutting ring is sleeved with the adjusting screw, and the two outer sides of the abutting ring respectively abut against the adjusting screw The connecting end and the driven clamping block. The exercise vehicle screw lock device of claim 4, wherein the abutting elastic member is a spring. The exercise device screw locking device according to claim 5, wherein the limiting elastic member is a spring. The exercise vehicle screw lock device according to any one of claims 1 to 6, wherein the outer diameter of the driving surface is larger than the outer diameter of the limiting surface.