CN215309991U - Upright column folding rapid locking structure - Google Patents

Abstract

The utility model discloses a stand column folding rapid locking structure which comprises a left stand column and a right stand column which are symmetrically arranged on two sides of a frame, a control mechanism arranged at the bottom end of the left stand column, a left locking mechanism of which the state is adjusted by the control mechanism, a reset mechanism arranged at the bottom end of the right stand column and a right locking mechanism of which the state is adjusted by the left locking mechanism, wherein the left locking mechanism and the right locking mechanism are driven by a steel wire rope. Through the mode, the vertical column folding and unfolding control device is reasonable in design and simple in structure, and controls the working states of the left locking mechanism and the right locking mechanism through the control mechanism, so that the folding and unfolding states of the vertical column are controlled.

Description

Upright column folding rapid locking structure

Technical Field

The utility model relates to stand column folding and unfolding, in particular to a stand column folding rapid locking structure.

Background

Along with people's standard of living's constantly improvement, operating time also constantly lengthens, most office workers all lack the time of taking exercise, the treadmill has become the first-selected of the indoor exercise of most office workers because of its convenient and practical's characteristic, the treadmill comprises the stand of base and both sides usually, can form great angle between it, make the scope that stand and base formed occupy very big space, be not convenient for transportation and storage, consequently need set the stand to the structure for the base action, conveniently pack up, the transport of being convenient for.

The prior art discloses a folding mechanism between a stand column and a base of a treadmill, which comprises a stand column and a base; the bottom of the upright post is linked with a rotating shaft and is rotatably connected with the base through the rotating shaft; the rotating shaft is also fixedly connected with a limiting plate, and a bayonet is arranged on the limiting plate; in the base, a clamping plate can be rotatably connected at the peripheral position corresponding to the limiting plate, so that the rotating free end of the clamping plate is close to the limiting plate or far away from the limiting plate when the clamping plate rotates in two directions; the rotating free end of the clamping plate is provided with a clamping head facing the direction of the limiting plate so as to be clamped and matched with the bayonet of the limiting plate; the base is also provided with a guide plate capable of guiding movement and a lock control mechanism for controlling the movement of the guide plate, and the clamping plate is movably connected with the guide plate.

This technique, although allowing the post to be folded up and folded or unfolded and raised relative to the base, is complicated to use and does not provide a secure connection when the post is moved to different positions.

Therefore, it is necessary to design a column folding quick locking structure with simple structure, convenient use, convenient adjustment, stable connection and good locking capability.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of complex operation, poor locking capacity and unstable connection of the conventional upright post adjusting structure, the utility model provides an upright post folding rapid locking structure, wherein the adjustment states of locking mechanisms on a left upright post and a right upright post are controlled by a control mechanism, so that the upright posts are unlocked and start to move, when the upright posts are required to be folded, the locking mechanisms are unlocked, the upright posts are downwards rotated to the folded state and locked under the action of gravity, when the upright posts are required to be unfolded, the locking mechanisms are unlocked, and the upright posts are rotated to the unfolded state and locked under the reset action of a gas spring.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a stand is folding quick locking structure, including the symmetry set up at the left stand and the right stand of frame both sides, set up in the control mechanism of left side stand bottom and by control mechanism adjusts the left locking mechanical system of its state, set up in the canceling release mechanical system of right side stand bottom and by left side locking mechanical system adjusts the right locking mechanical system of its state, pass through the wire rope transmission between left side locking mechanical system and the right locking mechanical system.

Furthermore, left locking mechanical system is including setting up in the left fixed plate that rotates of frame, being located the left side fixed plate right side that rotates is connected with it the folding spacing piece in a left side, being located the folding spacing piece right side in a left side rotates the spacing piece in a left side of being connected with it.

Further, the front side of left turn fixed plate is provided with left slotted hole, just the folding spacing piece in a left side is through passing the first pin of left slotted hole is connected with it, the rear side of left turn fixed plate is provided with left round hole, just the folding spacing piece in a left side is through passing the second pin of left round hole is connected with it, first pin with the left end of second pin all cooperates and is connected with the nut.

Furthermore, a left first limiting groove and a left second limiting groove which are communicated with each other are formed in the left rotation limiting piece, the left folding limiting piece and the left rotation limiting piece are rotatably connected through a left fixing shaft which can move in the left first limiting groove and the left second limiting groove, and the left stand column and the left rotation limiting piece are rotatably connected through a left rotating shaft.

Furthermore, the control mechanism comprises a limiting chain sheet connected to the left side of the left folding limiting sheet and a pedal pipe connected to the bottom end of the limiting chain sheet, and the pedal pipe, the limiting chain sheet and the left folding limiting sheet are connected into an integrated linkage mechanism through welding.

Furthermore, right locking mechanism is including setting up in the right side of frame right side rotation fixed plate, being located right side rotation fixed plate left side and the folding spacing piece in the right side of being connected of rotation with it, being located right side folding spacing piece left side and the rotation spacing piece in the right side of being connected with it.

Further, the front side of the fixed plate is rotated on the right side and is provided with right slotted hole, just the folding spacing piece in the right side is through passing the third pin of right slotted hole is connected with it, the rear side of the fixed plate is rotated on the right side and is provided with right round hole, just the folding spacing piece in the right side is through passing the fourth pin of right round hole is connected with it, the third pin with the right-hand member of fourth pin all cooperates and is connected with the nut.

Furthermore, a right first limiting groove and a right second limiting groove which are communicated with each other are formed in the right rotating limiting piece, the right folding limiting piece is rotatably connected with the right rotating limiting piece through a right fixed shaft which can move in the right first limiting groove and the right second limiting groove, and the right stand column is rotatably connected with the right rotating limiting piece through a right rotating shaft.

Further, canceling release mechanical system includes that its rear end rotates to be connected in the frame and its front end rotate connect in with the air spring on the mounting panel that resets that the spacing piece is connected rotates on the right side, the mounting panel that resets weld in the left side that the spacing piece was rotated on the right side.

Furthermore, the left end of the steel wire rope is vertically fixed to a first fixed seat and a second fixed seat which are arranged on the left side of the left rotating fixed plate in parallel, a first thread structure is arranged at the left end of the steel wire rope and penetrates through a first opening formed in the first fixed seat, square nuts are arranged on the upper side and the lower side of the first thread structure, which are located at the first opening, the left end of the steel wire rope penetrates through a second opening formed in the second fixed seat, and a first limiting structure is arranged at the tail end of the steel wire rope; the right end of the steel wire rope is vertically fixed to a third fixing seat and a fourth fixing seat which are arranged on the left side of the right rotating fixing plate in parallel, a second threaded structure is arranged on the right end portion of the steel wire rope and penetrates through a third opening formed in the third fixing seat, square nuts are arranged on the upper side and the lower side of the third opening of the second threaded structure, the right end of the steel wire rope penetrates through a fourth opening formed in the fourth fixing seat, a second limiting structure is arranged at the tail end of the steel wire rope, and a fifth fixing seat fixed on the left side of the right rotating fixing plate is arranged above the fourth fixing seat; a first tension spring is arranged between the first fixing seat and the second fixing seat, and a second tension spring is arranged between the fourth fixing seat and the fifth fixing seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the control mechanism and the left locking mechanism are arranged at the left upright post, so that a user can directly act on the pedal pipe to drive the left fixing shaft to move in the left first limiting groove and the left second limiting groove, the limitation on the upright post is removed, the right locking mechanism at the right upright post synchronously acts under the driving of the steel wire rope, the state switching is completed, the operation is convenient, and the switching is rapid.

2. According to the utility model, the right upright post is provided with the reset mechanism, when the upright posts are required to be retracted, the limit of the locking mechanism is removed, the upright posts rotate downwards under the action of gravity, and the reset mechanism blocks the rotation of the upright posts, so that the rotation is slowed down, accidents caused by rapid movement are prevented, when the upright posts are required to be opened, the limit of the locking mechanism is removed, the left upright post and the right upright post rotate upwards to the specified positions under the driving of the reset mechanism, and the state switching of the upright posts is completed.

3. According to the utility model, the steel wire rope is arranged between the left locking mechanism and the right locking mechanism, when the locking mechanisms are required to realize state switching, the left end of the steel wire rope pulls the right end to move, so that synchronous action of the locking mechanisms on two sides is realized, and the steel wire rope is provided with the threaded structure and is connected to the fixed seat through the nut, so that fine adjustment of the steel wire rope is realized, and the motion state of the upright post can be better adjusted.

Drawings

FIG. 1 is a schematic view of the open state axial structure of the present invention;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

FIG. 3 is an enlarged view of a portion of the area B in FIG. 1;

FIG. 4 is a schematic view of another perspective axial structure of the present invention in an expanded state;

FIG. 5 is an enlarged view of a portion of the area C in FIG. 4;

FIG. 6 is a schematic view of the retracted state axial structure of the present invention;

FIG. 7 is an enlarged partial view of the area F in FIG. 6;

the parts in the drawings are numbered as follows: 1. a left upright post; 2. a left locking mechanism; 21. rotating the fixed plate leftwards; 22. a left folding limiting sheet; 23. the left rotation limiting sheet; 24. a left stationary shaft; 25. a left rotating shaft; 26. a first pin; 27. a second pin; 3. a control mechanism; 31. a foot tube; 32. a limit link plate; 4. a right upright post; 5. a reset mechanism; 51. a gas spring; 52. resetting the mounting plate; 6. a right locking mechanism; 61. the fixed plate is rotated rightwards; 62. a right folding limiting sheet; 63. the limiting piece is rotated rightwards; 64. a third pin; 65. a fourth pin; 66. a right fixed shaft; 7. a wire rope; 71. a first fixed seat; 72. a second fixed seat; 73. a tension spring; 74. a third fixed seat; 75. a fourth fixed seat; 76. and a fifth fixed seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Examples

As shown in fig. 1, a stand column folding fast locking structure includes a left stand column 1 and a right stand column 4 symmetrically disposed at two sides of a frame, a control mechanism 3 disposed at a bottom end of the left stand column 1, a left locking mechanism 2 whose state is adjusted by the control mechanism 3, a reset mechanism 5 disposed at a bottom end of the right stand column 4, and a right locking mechanism 6 whose state is adjusted by the left locking mechanism 2, where the left locking mechanism 2 and the right locking mechanism 6 can both achieve switching between two states and lock after the switching is completed, so that the stand columns can be folded or unfolded and can be locked in the states after the actions of the stand columns are completed, the left locking mechanism 2 and the right locking mechanism 6 are driven by a steel wire rope 7, the left locking mechanism 2 is adjusted by the left control mechanism 3, and the right locking mechanism 6 is driven to act under the traction of the steel wire rope 7.

As shown in fig. 4 to 5, in the present embodiment, the left locking mechanism 2 includes a left rotation fixing plate 21 disposed on the left side of the rack, a left folding limiting plate 22 located on the right side of the left rotation fixing plate 21 and rotatably connected thereto, and a left rotation limiting plate 23 located on the right side of the left folding limiting plate 22 and rotatably connected thereto, and the left folding limiting plate 22 is movable relative to the left rotation fixing plate 21.

In this embodiment, the front side of left turn fixed plate 21 is provided with left slotted hole, just folding spacing piece 22 in a left side is through passing the first pin 26 of left slotted hole is connected with it, the rear side of left turn fixed plate 21 is provided with left round hole, just folding spacing piece 22 in a left side is through passing the second pin 27 of left side round hole is connected with it, first pin 26 with the left end of second pin 27 all cooperates and is connected with the nut, folding spacing piece 22 in a left side can be in left slotted hole relative motion at first pin 26, locates to be its stiff end at second pin 27.

In this embodiment, be provided with the first spacing groove in a left side and the left second spacing groove of intercommunication on the spacing piece 23 of left side rotation, just the folding spacing piece 22 in a left side with the spacing piece 23 of left side rotation is through can the first spacing groove in a left side and the spacing inslot motion of left side second left fixed axle 24 rotate to be connected, left side stand 1 with the spacing piece 23 of left side rotation is through the rotation of left rotating shaft 25 and is connected.

As shown in fig. 2, in the present embodiment, the control mechanism 3 includes a limit link plate 32 connected to the left side of the left folding limit plate 22, and a pedal tube 31 connected to the bottom end of the limit link plate 32, and the pedal tube 31, the limit link plate 32, and the left folding limit plate 22 are connected to form an integrated linkage mechanism by welding, and the left folding limit plate 22 is driven to move by acting on the pedal tube 31.

As shown in fig. 3, in the present embodiment, the right locking mechanism 6 includes a right rotation fixing plate 61 disposed on the right side of the frame, a right folding limiting plate 62 located on the left side of the right rotation fixing plate 61 and rotatably connected thereto, and a right rotation limiting plate 63 located on the left side of the right folding limiting plate 62 and rotatably connected thereto, and the right folding limiting plate 62 is movable relative to the right rotation fixing plate 61.

In this embodiment, the front side of the fixed plate 61 is rotated on the right side is provided with right slotted hole, just the spacing piece 62 is folded through the right side and is passed the third pin 64 of right slotted hole is connected with it, the rear side of the fixed plate 61 is rotated on the right side is provided with right round hole, just the spacing piece 62 is folded through the right side and is passed the fourth pin 65 of right round hole is connected with it, the third pin 64 with the right-hand member of fourth pin 65 all cooperates and is connected with the nut.

As shown in fig. 6 to 7, in the present embodiment, the right rotation limiting piece 63 is provided with a right first limiting groove and a right second limiting groove which are communicated with each other, the right folding limiting piece 62 and the right rotation limiting piece 63 are rotatably connected by a right fixing shaft 66 which can move in the right first limiting groove and the right second limiting groove, and the right upright 4 and the right rotation limiting piece 63 are rotatably connected by a right rotation shaft.

In this embodiment, the reset mechanism 5 includes the gas spring 51 that its rear end rotates to be connected in the frame and its front end rotates to be connected in with the reset mounting panel 52 that the spacing piece 63 is connected rotates to the right side, reset mounting panel 52 weld in the left side of the spacing piece 63 rotates to the right side, gas spring 51 plays the effect of hindering to the process that the stand rotated to the state of packing up, reduces the rotational speed, gas spring 51 is in compression state when the stand packed up, is in tensile state when the stand was opened.

In this embodiment, the left end of the steel wire rope 7 is vertically fixed to a first fixed seat 71 and a second fixed seat 72 which are arranged on the left side of the left rotation fixing plate 21 in parallel, a first thread structure is arranged at the left end portion of the steel wire rope 7 and penetrates through a first opening arranged on the first fixed seat 71, square nuts are arranged on the upper side and the lower side of the first thread structure at the first opening, the left end of the steel wire rope 7 penetrates through a second opening arranged on the second fixed seat 72, a first limiting structure is arranged at the tail end of the steel wire rope, fine adjustment of the steel wire rope 7 is achieved through the first thread structure, and movement of the steel wire rope 7 is relatively limited through the first limiting structure; the right end of the steel wire rope 7 is vertically fixed to a third fixed seat 74 and a fourth fixed seat 75 which are arranged on the left side of the right rotating fixed plate 61 in parallel, a second threaded structure is arranged at the right end of the steel wire rope 7 and penetrates through a third opening formed in the third fixed seat 74, square nuts are arranged on the upper side and the lower side of the third opening of the second threaded structure, the right end of the steel wire rope 7 penetrates through a fourth opening formed in the fourth fixed seat 75, a second limiting structure is arranged at the tail end of the steel wire rope, and a fifth fixed seat 76 fixed on the left side of the right rotating fixed plate 61 is arranged above the fourth fixed seat 75; a first tension spring 73 is arranged between the first fixing seat 71 and the second fixing seat 72, and a second tension spring 73 is arranged between the fourth fixing seat 75 and the fifth fixing seat 76, so that the first fixing seat 71 and the second fixing seat 72 can move relatively and are fixed relatively.

Through the mode, when the stand column is required to be folded, a user treads the pedal pipe to enable the stand column to move downwards, the left folding limiting piece is driven to move through the limiting link piece, the left fixing shaft leaves the left first limiting groove, the left stand column and the right stand column are unlocked and rotate clockwise under the action of gravity with the left rotating limiting piece, the steel wire rope moves along the direction E in the drawing, the right structure and the left structure do the same movement under the traction action of the steel wire rope, the air spring plays a buffering role to enable the stand column to rotate slowly, the pedal pipe is loosened after the stand column reaches a completely folded state, the pedal pipe returns to the initial state, the left folding limiting piece returns to the initial state, the left fixing shaft moves into the left second limiting groove at the moment, the steel wire rope moves reversely, the right structure and the left structure are in the same state, and the air spring is in a compressed state;

when the stand column needs to be lifted up, the foot treads the pedal pipe to enable the stand column to move downwards, and then the left folding limiting piece is driven to move, the left fixing shaft is enabled to leave the left second limiting groove, the steel wire rope moves along the direction E in the drawing, the right fixing shaft leaves the right second limiting groove under the traction action of the steel wire rope, the stand column is enabled to be lifted up slowly under the reset action of the air spring, the stand column moves to the initial state, the pedal pipe is loosened to enable the stand column to move upwards to the initial state, the left folding limiting piece and the right folding limiting piece are both restored to the initial positions, the left fixing shaft and the right fixing shaft both move to the corresponding first limiting grooves, and the air spring is in the maximum extension state at the moment.

The above description is only for the purpose of illustrating the technical solutions of the present invention and is not intended to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent processes performed by using the contents of the specification and the drawings of the utility model, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a quick locking structure is folded to stand, its characterized in that, including the symmetry set up left stand (1) and right stand (4) in the frame both sides, set up in control mechanism (3) of left side stand (1) bottom and by left locking mechanical system (2) of its state is adjusted in control mechanism (3), set up in canceling release mechanical system (5) of right side stand (4) bottom and by right locking mechanical system (6) of its state is adjusted in left side locking mechanical system (2), through wire rope (7) transmission between left side locking mechanical system (2) and the right locking mechanical system (6).

2. The column folding quick locking structure according to claim 1, wherein the left locking mechanism (2) comprises a left rotation fixing plate (21) arranged on the left side of the frame, a left folding limiting plate (22) located on the right side of the left rotation fixing plate (21) and rotatably connected with the left rotation fixing plate, and a left rotation limiting plate (23) located on the right side of the left folding limiting plate (22) and rotatably connected with the left folding limiting plate.

3. The column folding quick locking structure according to claim 2, wherein a left slotted hole is formed in the front side of the left rotation fixing plate (21), the left folding limiting piece (22) is connected with the left slotted hole through a first pin (26) penetrating through the left slotted hole, a left round hole is formed in the rear side of the left rotation fixing plate (21), the left folding limiting piece (22) is connected with the left round hole through a second pin (27) penetrating through the left round hole, and nuts are connected to the left ends of the first pin (26) and the second pin (27) in a matching manner.

4. The column folding quick locking structure according to claim 3, wherein the left rotation limiting piece (23) is provided with a left first limiting groove and a left second limiting groove which are communicated with each other, the left folding limiting piece (22) is rotatably connected with the left rotation limiting piece (23) through a left fixing shaft (24) which can move in the left first limiting groove and the left second limiting groove, and the left column (1) is rotatably connected with the left rotation limiting piece (23) through a left rotating shaft (25).

5. The column folding quick locking structure according to claim 4, characterized in that the control mechanism (3) comprises a limiting link plate (32) connected to the left side of the left folding limiting plate (22), and a pedal tube (31) connected to the bottom end of the limiting link plate (32), and the pedal tube (31), the limiting link plate (32) and the left folding limiting plate (22) are connected into an integrated linkage mechanism by welding.

6. The post folding quick locking structure according to claim 5, wherein the right locking mechanism (6) comprises a right rotation fixing plate (61) arranged on the right side of the frame, a right folding limiting plate (62) located on the left side of the right rotation fixing plate (61) and rotatably connected therewith, and a right rotation limiting plate (63) located on the left side of the right folding limiting plate (62) and rotatably connected therewith.

7. The column folding quick locking structure according to claim 6, wherein a right slotted hole is formed in the front side of the right rotating fixing plate (61), the right folding limiting piece (62) is connected with the right rotating fixing plate through a third pin (64) penetrating through the right slotted hole, a right round hole is formed in the rear side of the right rotating fixing plate (61), the right folding limiting piece (62) is connected with the right round hole through a fourth pin (65) penetrating through the right round hole, and nuts are connected to the right ends of the third pin (64) and the fourth pin (65) in a matching manner.

8. The post folding quick locking structure according to claim 7, wherein the right rotation limiting piece (63) is provided with a right first limiting groove and a right second limiting groove which are communicated with each other, the right folding limiting piece (62) is rotatably connected with the right rotation limiting piece (63) through a right fixing shaft (66) which can move in the right first limiting groove and the right second limiting groove, and the right post (4) is rotatably connected with the right rotation limiting piece (63) through a right rotation shaft.

9. The folding quick locking structure of upright according to claim 8, characterized in that said reset mechanism (5) comprises a gas spring (51) whose rear end is rotatably connected to the frame and whose front end is rotatably connected to a reset mounting plate (52) connected to said right rotation limiting piece (63), said reset mounting plate (52) being welded to the left side of said right rotation limiting piece (63).

10. The column folding quick locking structure according to claim 9, wherein the left end of the steel wire rope (7) is vertically fixed to a first fixing seat (71) and a second fixing seat (72) which are arranged side by side on the left side of the left rotation fixing plate (21), a first thread structure is arranged at the left end portion of the steel wire rope (7) and penetrates through a first opening arranged on the first fixing seat (71), square nuts are arranged on the upper side and the lower side of the first thread structure at the first opening, the left end of the steel wire rope (7) penetrates through a second opening arranged on the second fixing seat (72), and a first limiting structure is arranged at the tail end of the steel wire rope; the right end of the steel wire rope (7) is vertically fixed to a third fixing seat (74) and a fourth fixing seat (75) which are arranged on the left side of the right rotating fixing plate (61) in parallel, a second threaded structure is arranged at the right end of the steel wire rope (7) and penetrates through a third opening formed in the third fixing seat (74), square nuts are arranged on the upper side and the lower side of the third opening of the second threaded structure, the right end of the steel wire rope (7) penetrates through a fourth opening formed in the fourth fixing seat (75), a second limiting structure is arranged at the tail end of the steel wire rope, and a fifth fixing seat (76) fixed on the left side of the right rotating fixing plate (61) is arranged above the fourth fixing seat (75); a first tension spring (73) is arranged between the first fixing seat (71) and the second fixing seat (72), and a second tension spring (73) is arranged between the fourth fixing seat (75) and the fifth fixing seat (76).

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