A double-spring double-parallelogram link type seat and pedal device

Abstract

The application discloses a double-spring double-parallelogram connecting rod type sitting and pedaling device and relates to the field of leisure fitness equipment. The device comprises a support, the upper part of the support is a left-right-through hollow cavity, the left side of the support is fixedly connected with a spring chamber, the spring chamber is connected with a cover plate, the cover plate is provided with a threaded hole, the threaded hole is screwed with a pre-pressing adjusting rod, the right side of the pre-pressing adjusting rod is connected with a baffle, the right side of the main spring is connected with a pressing plate, a negative pressure spring is arranged between the pressing plate and a top plate, the right side of the pressing plate is fixedly connected with a pressing rod, the two sides of the hollow cavity are symmetrically provided with side holes, a pedaling rod is slidably arranged in the side holes, the two ends of the pedaling rod extend out of the side holes, the pedaling rod is connected with the pressing rod, a sliding frame is arranged on the right side of the support, the pressing plate is connected with the right side of the support, a seat is slidably arranged on a sliding rod, and the seat and the pedaling rod are connected through a double-parallelogram connecting rod mechanism. The device can conveniently adjust the training intensity according to the needs of different people and can meet the normal use of people with different heights.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of leisure fitness equipment, more particularly to a double-spring double-parallelogram linkage type seat and pedal device using spring + linkage transmission. BACKGROUND

[0002] The seat and pedal device is a kind of recreational fitness equipment, commonly seen in public places such as communities, parks and schools. The existing seat and pedal devices are mostly cantilever type, such as the "seat and pedal device with limiting function" with application number CN202121702329.4 and the "double-position seat and pedal device convenient for adjusting leg-pedaling distance" with application number CN202121376525.7, both of which are of this type. Some technical directions are multifunctional, such as the "intelligent double-person seat and pedal device" with application number CN202021451082.9, the "body twisting device, seat and pedal device combined fitness equipment with media advertisement playing function" with application number CN201922304965.0, the "body twisting device, seat and pedal device combined fitness equipment with media advertisement playing function" with application number CN202121160574.7, and the "self-generating seat and pedal device" with application number CN201420596061.4.

[0003] The existing cantilever type seat and pedal devices are mostly self-weight type training, which is not easy to adjust the seat and pedal force, and the movement direction is rotation around the axis. For people with long legs, the movement is large in height and is not ideal in experience. If a new structure principle can be developed, the training force can be easily adjusted according to the needs of different people, and it can meet the normal use of people of different heights, which can effectively solve the defects of the existing cantilever type seat and pedal device and make the user have a better use experience. SUMMARY

[0004] In order to solve the above-mentioned problems of the prior art, the present application uses double compression springs as reaction force, double parallelogram linkages as transmission, and the spring pre-set length has adjustability, etc. Technical features of a double-spring double-parallelogram linkage type seat and pedal device.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0006] The double-spring double-parallelogram connecting rod type seat and pedal device comprises a support, a hollow cavity is formed in the upper part of the support, a spring chamber is fixedly connected to the left side of the support, a top plate is arranged between the spring chamber and the support, a cover plate is fixedly connected to the left side of the spring chamber, a threaded hole is arranged on the cover plate, a pre-pressing adjusting rod is screwed into the threaded hole, a baffle is connected to the right side of the pre-pressing adjusting rod, the baffle is slidably arranged in the spring chamber and connected to the left side of a main spring, a pressing plate is connected to the right side of the main spring, the pressing plate is slidably connected in the spring chamber, a negative pressure spring is arranged between the pressing plate and the top plate, a pressing rod is fixedly connected to the right side of the pressing plate, the negative pressure spring is sleeved on the pressing rod, a pedal rod is connected to the right side of the pressing rod and passes through the top plate, the pedal rod is slidably arranged in a side hole, the side holes are symmetrically arranged on the two sides of the hollow cavity of the support, the pedal rod extends out of the side holes on the two sides of the hollow cavity, a sliding frame is arranged on the right side of the support, the sliding frame comprises a pedal plate and a sliding rod, the pedal plate is fixedly connected to the right side of the support, a seat is slidably arranged on the sliding rod, and the seat and the pedal rod are connected through a double-parallelogram connecting rod mechanism.

[0007] Further, the double-parallelogram connecting rod mechanism comprises a pressing connecting rod, a left upper rod, a left lower rod, a right upper rod, a right lower rod and a seat connecting rod, the upper part of the pressing connecting rod is hinged to the pressing rod, the middle part of the pressing connecting rod is hinged to the lower part of the left upper rod, the lower part of the pressing connecting rod is hinged to the lower part of the left lower rod, the middle-lower part of the left upper rod is hinged to a rotating shaft, the rotating shaft is fixedly arranged on the pedal plate, the middle-upper part of the left upper rod is hinged to the upper part of the right lower rod, the middle-upper part of the right lower rod is hinged to the upper part of the left lower rod, the upper part of the left upper rod is hinged to the upper part of the right upper rod, the lower part of the right upper rod is hinged to the middle part of the seat connecting rod, the lower part of the seat connecting rod is hinged to the lower part of the right lower rod, and the upper part of the seat connecting rod is hinged to a seat hole in the lower part of the seat.

[0008] Further, the lower part of the seat is provided with a pulley, and the inner sides of the sliding rod are provided with side sliding grooves.

[0009] Further, the lower part of the sliding rod is provided with an avoiding opening.

[0010] Beneficial effects: Compared with the existing cantilever type seat and pedal device, the double-pressing spring structure of the device realizes reverse action of the mechanism and controls the tail section force, the double-parallelogram mechanism realizes horizontal reverse movement of the seat and the pressing rod, the pre-pressing adjusting rod realizes controllable pre-pressing force of the pressing spring, the far and near foot positions of the pedal rod and the pedal plate are more universal, the device can conveniently adjust the training force according to different needs of different people, and can meet the normal use of people with different heights. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall assembly structure of the device.

[0012] Figure 2 is a detailed structural exploded schematic diagram of the present invention.

[0013] Figure 3 is a schematic diagram of the process of use of the present invention by a user of short stature (pedal board).

[0014] Figure 4 is a schematic diagram of the process of use of the present invention by a user of short stature (pedal board).

[0015] Figure 5 is a schematic diagram of the process of use of the present invention by a user of tall stature (pedal lever).

[0016] Figure 6 is a schematic diagram of the process of use of the present invention by a user of tall stature (pedal lever).

[0017] Figure 7 is a schematic diagram of the process of use of the present invention in the pre-pressed state of the adjustment lever.

[0018] Figure 8 is a schematic diagram of the process of use of the present invention in the pre-pressed state of the adjustment lever.

[0019] Figure 9 is a schematic diagram of the process of use of the present invention in the pre-pressed state of the adjustment lever.

[0020] Figure 10 is a schematic diagram of the process of use of the present invention in the pre-pressed state of the adjustment lever.

[0021] Figure 11 is an exploded schematic diagram of the linkage mechanism of the present invention.

[0022] In the figure: 1 - support, 1.1 - side hole, 2 - spring chamber, 2.1 - top plate, 3 - pressure rod, 3.1 - pressure rod hole, 3.2 - pressure plate, 4 - negative pressure spring, 5 - main spring, 6 - cover plate, 6.1 - threaded hole, 7 - pre-pressing adjusting rod, 7.1 - screw rod, 7.2 - baffle, 8 - pedal rod, 8.1 - shaft rod, 8.2 - pedal rod, 9 - sliding frame, 9.1 - pedal plate, 9.2 - sliding rod, 9.11 - rotating shaft, 9.12 - sliding frame hole, 9.21 - side sliding groove, 9.22 - avoiding opening, 10 - pressure connecting rod, 10.1 - pressure connecting rod upper hole, 10.2 - pressure connecting rod middle hole, 10.3 - pressure connecting rod lower hole, 11 - left upper rod, 11.1 - left upper rod upper hole, 11.2 - left upper rod middle upper hole, 11.3 - left upper rod middle lower hole, 11.4 - left upper rod lower hole, 12 - left lower rod, 12.1 - left lower rod upper hole, 12.2 - left lower rod lower hole, 13 - right upper rod, 13.1 - right upper rod upper hole, 13.2 - right upper rod lower hole, 14 - right lower rod, 14.1 - right lower rod upper hole, 14.2 - right lower rod middle hole, 14.3 - right lower rod lower hole, 15 - seat connecting rod, 15.1 - seat connecting rod upper hole, 15.2 - seat connecting rod middle hole, 15.3 - seat connecting rod lower hole, 16 - seat, 16.1 - seat hole, 16.2 - pulley, 17 - flange pin, 18 - connecting rod pin, 19 - sliding frame pin. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the application, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In the description of the application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, or indirect connection through intermediate medium, but the connection at each place does not affect the multi-position folding of the present application. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] As Figures 1-11 The embodiment of the double-spring double-parallelogram linkage type seat and pedal device comprises a support 1; the upper part of the support 1 is a hollow cavity which is left-right permeable; a spring chamber 2 is fixedly connected to the left side of the support 1; a top plate 2.1 is arranged between the spring chamber 2 and the support 1; a cover plate 6 is fixedly connected to the left side of the spring chamber 2 through a flange pin 17; a threaded hole 6.1 is arranged on the cover plate 6; a pre-pressing adjusting rod 7 is screwed into the threaded hole 6.1; a baffle 7.2 is connected to the right side of the pre-pressing adjusting rod 7; the baffle 7.2 is slidably arranged in the spring chamber 2 and connected to the left side of a main spring 5; a pressing plate 3.2 is connected to the right side of the main spring 5; the pressing plate 3.2 is slidably connected in the spring chamber 2; a negative pressure spring 4 is arranged between the pressing plate 3.2 and a top plate 2.1; a pressing rod 3 is fixedly connected to the right side of the pressing plate 3.2; the negative pressure spring 4 is sleeved on the pressing rod 3; the right side of the pressing rod 3 penetrates through the top plate 2.1 and is connected to a shaft rod 8.1 of a pedal rod 8; the pedal rod 8 is slidably arranged in a side hole 1.1; the side holes 1.1 are symmetrically arranged on both sides of the hollow cavity of the support 1; both ends of the pedal rod 8 are provided with pedal rods 8.2 which extend out of the side holes 1.1 on both sides of the hollow cavity; a sliding frame 9 is arranged on the right side of the support 1; the sliding frame 9 comprises a pedal plate 9.1 and a sliding rod 9.2; the sliding rod 9.2 is fixedly connected to the pedal plate 9.1 through a sliding frame pin 19 penetrating through a sliding frame hole 9.12; the pedal plate 9.1 is fixedly connected to the right side of the support 1 through a flange pin 17; a seat 16 is slidably arranged on the sliding rod 9.2; the seat 16 and the pedal rod 8 are connected through a double-parallelogram linkage mechanism.

[0027] Specifically, the pressing rod 3 is a pressing rod 3 provided with a support plate on the right side, and the support plate is slidably connected in the hollow cavity and located on the left side of the pressing rod hole 3.1.

[0028] Specifically, as shown in Figure 3 , 4 , a user with a shorter body can sit on the seat 16 and complete the seat and pedal action by stepping on the pedal plate 9.1 with the feet. Figure 5 , 6 , a user with a higher body can sit on the seat 16 and complete the seat and pedal action by stepping on the pedal rod 8 with the feet.

[0029] Specifically, as shown in Figures 5-10 , the main spring 5 is arranged between the baffle 7.2 and the pressing plate 3.2, and the negative pressure spring 4 is arranged between the pressing plate 3.2 and the top plate 2.1; the main spring 5 is used for resisting the pressure from the pressing rod 3, and the negative pressure spring 4 is used for reducing the rebounding of the main spring 5 to prevent the pressing rod 3 and other components from being frequently impacted and damaged.

[0030] Specifically, the pressing rod 3 makes a linear reciprocating motion under the limitation of the support 1 and the spring chamber 2.

[0031] Specifically, the pre-press adjusting rod 7 adjusts the length of the main spring 5 and the negative pressure spring 4 by rotating the adjusting screw 7.1 into the spring chamber 2 to a certain depth, so as to achieve the purpose of setting different spring pre-press forces.

[0032] Specifically, as shown in Figure 7 、 8 , when the user feels that the device is too light, the pre-press force of the pressure rod 3 can be increased by rotating the screw 7.1 into the threaded hole 6.1 to force the baffle 7.2 to further press the main spring 5. As shown in Figure 9 、 10 , the pre-press force of the main spring 5 on the pressure rod 3 can be reduced by rotating the screw 7.1 out of the threaded hole 6.1.

[0033] In other preferred embodiments, the double parallelogram linkage mechanism comprises a pressure linkage 10, a left upper rod 11, a left lower rod 12, a right upper rod 13, a right lower rod 14, and a seat linkage 15; the upper part of the pressure linkage 10 is hinged to the pressure rod; the middle part of the pressure linkage 10 is hinged to the lower part of the left upper rod 11; the lower part of the pressure linkage 10 is hinged to the lower part of the left lower rod 12; the middle-lower part of the left upper rod 11 is hinged to a rotating shaft; the rotating shaft is fixedly arranged on the pedal plate; the middle-upper part of the left upper rod 11 is hinged to the upper part of the right lower rod 14; the middle-upper part of the right lower rod 14 is hinged to the upper part of the left lower rod 12; the upper part of the left upper rod 11 is hinged to the upper part of the right upper rod 13; the lower part of the right upper rod 13 is hinged to the middle part of the seat linkage 15; the lower part of the seat linkage 15 is hinged to the lower part of the right lower rod 14; and the upper part of the seat linkage 15 is hinged to the seat hole of the seat lower part.

[0034] Specifically, as shown in Figure 11 , the pressure rod hole 3.1 of the pressure rod 3 is connected to the pressure linkage upper hole 10.1 through the shaft 8.1 of the pedal rod 8, the pressure linkage middle hole 10.2 is connected to the left upper rod lower hole 11.4 through the linkage pin 18, the pressure linkage lower hole 10.3 is connected to the left lower rod lower hole 12.2 through the linkage pin 18, the left upper rod middle-lower hole 11.3 rotates around the fixed rotating shaft 9.11 of the slide 9, the left upper rod middle-upper hole 11.2 is connected to the right lower rod upper hole 14.1 through the linkage pin 18, the left upper rod upper hole 11.1 is connected to the right upper rod upper hole 13.1 through the linkage pin 18, the left lower rod upper hole 12.1 is connected to the right lower rod middle hole 14.2 through the linkage pin 18, the seat linkage lower hole 15.3 is connected to the right lower rod lower hole 14.3 through the linkage pin 18, the seat linkage middle hole 15.2 is connected to the right upper rod lower hole 13.2 through the linkage pin 18, and the seat linkage upper hole 15.1 is connected to the seat hole 16.1 through the linkage pin 18.

[0035] Specifically, the double parallelogram linkage mechanism realizes the horizontal reverse movement of the pressure rod 3 and the seat 16, and realizes the horizontal use of the sit-and-pedal device.

[0036] In other preferred embodiments, the lower part of the seat 16 is provided with a pulley 16.2; the inside of the slide bar 9.2 is provided with a side slide groove 9.21 on both sides; the pulley 16.2 is arranged in the side slide groove 9.21.

[0037] Specifically, the seat 16 is connected to the slide bar 9.2 through the pulley 16.2 arranged in the side slide groove 9.21, and the seat 16 moves linearly in the side slide groove 9.21 via the pulley 16.2.

[0038] In other preferred embodiments, the lower part of the slide bar 9.2 is provided with an avoiding opening 9.22.

[0039] Specifically, the lower part of the slide bar 9.2 is provided with the avoiding opening 9.22 to prevent the slide bar 9.2 from interfering with the double parallelogram linkage.

[0040] Finally, it should be noted that the present application is not limited to the above embodiments, and there can be many variations. All variations that can be directly derived or inferred from the disclosed content by those of ordinary skill in the art should be considered within the scope of the present application.

Claims

1. A double-spring double-parallel- quadrilateral linkage seat and leg rest characterized by: The utility model provides a kind of chair, including support (1);The upper portion of the support (1) is left-right permeable hollow cavity;Spring chamber (2) is fixedly connected to the left side of the support (1);Top plate (2.1) is equipped between the spring chamber (2) and support (1);Cover plate (6) is fixedly connected to the left side of the spring chamber (2);Threaded hole (6.1) is provided on the cover plate (6);Pre-press adjusting rod (7) is screwed with threaded hole (6.1);Fender (7.2) is connected to the right side of pre-press adjusting rod (7);Fender (7.2) is slidably arranged in spring chamber (2) and is connected with main spring (5) left side;Pressure plate (3.2) is connected to the right side of main spring (5);Pressure plate (3.2) is slidably connected in spring chamber (2);Negative pressure spring (4) is equipped between pressure plate (3.2) and top plate (2.1);Pressure rod (3) is fixedly connected to the right side of pressure plate (3.2);Negative pressure spring (4) is sleeved on pressure rod (3);Pressure rod (3) right side is connected with kick lever (8) through top plate (2.1);Kick lever (8) is slidably arranged in side hole (1.1);Side hole (1.1) is symmetrically arranged in the hollow cavity of the support (1) both sides;The both ends of kick lever (8) are extended from the side hole (1.1) of the hollow cavity both sides;Slide (9) is equipped on the right side of the support (1);The slide (9) includes kick plate (9.1) and slide rod (9.2);Kick plate (9.1) is fixedly connected with the right side of support (1);Seat (16) is slidably arranged on the slide rod (9.2);Between kick plate (9.1) and kick lever (8), it is connected by double parallelogram linkage mechanism; The double parallelogram linkage mechanism includes: pressure connecting rod (10), left upper rod (11), left lower rod (12), right upper rod (13), right lower rod (14) and seat connecting rod (15);The upper portion of pressure connecting rod (10) is hinged with pressure rod (3);The middle portion of pressure connecting rod (10) is hinged with the lower portion of left upper rod (11);The lower portion of pressure connecting rod (10) is hinged with the lower portion of left lower rod (12);The middle lower portion of left upper rod (11) is hinged with rotating shaft (9.11);Rotating shaft (9.11) is fixedly arranged on kick plate (9.1);The middle upper portion of left upper rod (11) is hinged with the upper portion of right lower rod (14);The middle upper portion of right lower rod (14) is hinged with the upper portion of left lower rod (12);The upper portion of left upper rod (11) is hinged with the upper portion of right upper rod (13);The lower portion of right upper rod (13) is hinged with the middle portion of seat connecting rod (15);The lower portion of seat connecting rod (15) is hinged with the lower portion of right lower rod (14);The upper portion of seat connecting rod (15) is hinged with seat hole (16.1) of the lower portion of seat (16).

2. A dual-spring dual-parallel- quadrilateral linkage seat and leg rest assembly according to claim 1, wherein: The lower portion of seat (16) is equipped with pulley (16.2);The both sides of the inside of slide rod (9.2) are provided with side sliding groove (9.21);Pulley (16.2) is arranged in side sliding groove (9.21).

3. A two-spring two-parallel- quadrangle linkage type seat and pedal device according to any one of claims 1-2, characterized in that: The lower portion of slide rod (9.2) is equipped with avoiding mouth (9.22).

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