Adjustable headrest and back pedaling machine

Abstract

The utility model relates to the technical field of back-pedaling machines, and particularly provides an adjustable headrest and a back-pedaling machine, the adjustable headrest comprises a headrest body which is detachably connected with a back plate of the back-pedaling machine; the front-back moving assembly is fixedly arranged on the headrest body; the up-and-down moving assembly is fixedly arranged on the front-and-back moving assembly; and the headrest part is arranged on the up-and-down moving assembly. Therefore, flexible adjustment of the headrest in the horizontal direction and the vertical direction is achieved, and a user can adjust the position and the height of the headrest according to personal requirements so as to obtain a good supporting effect and training experience. By means of the additionally-arranged neck supporting piece, the reversely-arched cervical vertebra of the user becomes straight, the comfort degree of training is improved, the individual requirements of different users are met, and more convenient experience is brought to reverse pedaling training of the user.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reverse pedaling machines, in particular to an adjustable headrest and a reverse pedaling machine. BACKGROUND

[0002] The reverse pedaling machine is a widely used fitness equipment in gyms, which is designed to strengthen the lower limb muscle strength. It uses the slope principle to make the user perform repeated leg pushing and pedaling actions through the foot pedal. In this process, the quadriceps femoris on the front side of the thigh, the biceps femoris on the back side of the thigh, the calf muscles and the hip muscles can be fully and evenly exercised. The reverse pedaling machine can not only help to improve the strength and endurance of the leg muscles, but also effectively improve the leg lines and shape the tight and powerful lower limb contour.

[0003] However, the headrest of the existing reverse pedaling machine can usually realize position adjustment in the front-rear direction to adapt to the head of users of different heights, but cannot realize position adjustment in the up-down direction. The headrest structure of the existing reverse pedaling machine may cause the head of some users to be unable to maintain a natural and comfortable supporting posture during training, thereby affecting the experience and effect of training.

[0004] Therefore, the existing technology has defects and deficiencies, and needs to be further improved and developed. CONTENT OF THE INVENTION

[0005] In view of the above deficiencies of the prior art, the purpose of the present application is to provide an adjustable headrest, which aims to solve the problem that the headrest of the existing reverse pedaling machine cannot realize up-down direction adjustment.

[0006] The technical solution adopted by the present application to solve the technical problem is as follows: an adjustable headrest for user reverse pedaling training, comprising:

[0007] a headrest body, which is detachably connected with a back plate of a reverse pedaling machine;

[0008] a front-rear moving assembly, which is fixedly arranged on the headrest body;

[0009] an up-down moving assembly, which is fixedly arranged on the front-rear moving assembly;

[0010] a headrest part, which is arranged on the up-down moving assembly.

[0011] Optionally, the front-rear moving assembly comprises:

[0012] a fixed base, which is fixedly connected with the headrest body;

[0013] a front-rear moving sliding table, which is slidingly connected with the fixed base.

[0014] Optionally, the fixed base is provided with a wedge protrusion on the side facing away from the headrest body, and the lateral section of the wedge protrusion is in the shape of an inverted isosceles trapezoid.

[0015] The front-and-back moving slide is provided with a wedge groove matching the shape of the wedge protrusion, and the wedge protrusion is used to constrain the up-and-down movement of the front-and-back moving slide.

[0016] The front-and-back moving slide can move forward and backward under the constraint of the wedge protrusion.

[0017] Optionally, the fixed base is provided with a front-and-back adjusting member on the side facing away from the back plate, and the front-and-back adjusting member is used to adjust the distance of the front-and-back moving slide sliding forward and backward relative to the wedge protrusion.

[0018] Optionally, the end of the front-and-back adjusting member is provided with a gear, and the bottom of the wedge groove is provided with a rack, and the gear is engaged with the rack.

[0019] The front-and-back adjusting member is rotated to drive the gear to rotate, the gear drives the rack to move forward and backward, and the front-and-back moving slide is driven to move forward and backward.

[0020] Optionally, the up-and-down moving assembly comprises:

[0021] A support base is fixedly arranged on the front-and-back moving slide.

[0022] The end face of the support base facing away from the front-and-back moving slide is provided with a first fixing seat and a second fixing seat, and the first fixing seat and the second fixing seat are oppositely arranged.

[0023] A first sliding rod and a second sliding rod are arranged between the first fixing seat and the second fixing seat, and an outer arm sliding block is arranged between the first sliding rod and the second sliding rod.

[0024] An adjusting upper seat is arranged above the support base.

[0025] The side of the adjusting upper seat close to the support base is provided with a third fixing seat and a fourth fixing seat, and the third fixing seat and the fourth fixing seat are oppositely arranged; a third sliding rod and a fourth sliding rod are arranged between the third fixing seat and the fourth fixing seat; and an inner arm sliding block is arranged between the third sliding rod and the fourth sliding rod.

[0026] Optionally, the up-and-down moving assembly further comprises:

[0027] Two inner scissor arms are fixed to the side of the first fixing seat and the inner arm sliding block, respectively.

[0028] Two outer scissors arms, two outer scissors arms are fixed on the side of the third fixed seat and the outer arm slider respectively.

[0029] Optionally, a lifting knob is arranged outside the second fixed seat, and the lifting knob is used to adjust the height of the adjusting upper seat and the supporting base.

[0030] Wherein, rotating the lifting knob, the outer arm slider moves in the first sliding rod and the second sliding rod, and the inner arm slider synchronously slides with the outer arm slider, and under the action of the inner scissors arm and the outer scissors arm, the height of the adjusting upper seat and the supporting base is adjusted.

[0031] Optionally, the headrest part comprises:

[0032] A headrest piece is fixedly arranged on the up-down moving assembly.

[0033] A neck support piece is arranged above the front-rear moving assembly, and the neck support piece is fixedly connected with the headrest piece through an L-shaped piece.

[0034] Another technical solution adopted by the present application to solve the technical problem is as follows: a reverse pedaling machine comprising the adjustable headrest as described above.

[0035] Compared with the prior art, the present application provides an adjustable headrest, which realizes flexible adjustment of the headrest in horizontal and vertical directions through the cooperation of the front-rear moving assembly and the up-down moving assembly. Users can easily adjust the position and height of the headrest according to individual needs to obtain good support effect and training experience. Through the additionally arranged neck support piece, the cervical spine of the user is straightened in the reverse arch, which not only improves the comfort of training, but also meets the individual needs of different users, and brings a more convenient experience for reverse pedaling training. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a schematic diagram of the assembly of the adjustable headrest and the reverse pedaling machine provided in the present application;

[0037] Figure 2 is a schematic diagram of the assembly of the adjustable headrest and the reverse pedaling machine provided in the present application; Figure 1 is an enlarged schematic diagram of position A in FIG.

[0038] Figure 3 is another perspective view of the assembly of the adjustable headrest and the reverse pedaling machine provided in the present application;

[0039] Figure 4 is a schematic diagram of the assembly of the adjustable headrest and the reverse pedaling machine provided in the present application; Figure 3 is an enlarged schematic diagram of position B in FIG.

[0040] Explanation of reference signs:

[0041] 40, adjustable headrest; 41, headrest body; 42, front and back moving assembly; 43, up and down moving assembly; 412, front and back moving slide; 413, wedge block; 414, wedge groove; 415, front and back adjusting piece; 421, fixed base; 431, support base; 4311, first fixed seat; 4312, second fixed seat; 4313, first slide rod; 4314, second slide rod; 4315, outer arm slider; 432, adjusting upper seat; 4321, third fixed seat; 4322, fourth fixed seat; 4323, third slide rod; 4324, fourth slide rod; 4325, inner arm slider; 433, inner scissor arm; 434, outer scissor arm; 4316, lifting knob; 44, headrest part; 441, headrest piece; 442, neck support piece; 443, L-shaped piece. DETAILED DESCRIPTION

[0042] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components are denoted by the same or similar reference numerals throughout the drawings. The embodiments described below are exemplary only, and are merely intended to explain the present application, and are not to be understood as limiting the present application.

[0043] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0044] In the description of the present application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. 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.

[0045] Please refer to Figures 1 to 4The first embodiment of the present application provides an adjustable headrest 40 for user's rowing training, which is designed to include a front-back moving assembly 42, an up-down moving assembly 43 and a headrest part 44 to meet the individual needs of users for head and neck support during the rowing training. The front-back moving assembly 42 is composed of a fixed base 421, a front-back moving slide 412, a wedge protrusion 413, a wedge recess 414 and a front-back adjusting part 415. Under the support of the fixed base 421, the front-back moving slide 412 can smoothly slide forward and backward, while the wedge protrusion 413 and the wedge recess 414 ensure that the slide does not shake in the up-down direction during the sliding process, but only moves in the front-back direction. By rotating the front-back adjusting part 415, the user can accurately drive the front-back moving slide 412 to adjust the position by using the cooperation of the gear and the rack.

[0046] Please refer to Figures 3 to 4 The up-down moving assembly 43 includes a support base 431, a fixed seat, a first slide rod 4313, a second slide rod 4314, a third slide rod 4323, a fourth slide rod 4324, an outer arm slide block 4315 and an inner arm slide block 4325, an adjusting upper seat 432, an inner scissor arm 433 and an outer scissor arm 434. Under the stable support of the support base 431, the slide rods provide the slide blocks with a moving track. By rotating the lifting knob 4316, the user can drive the inner arm slide block 4325 and the outer arm slide block 4315 to slide synchronously on the slide rods. With the movement of the slide blocks, the inner scissor arm 433 and the outer scissor arm 434 work cooperatively to expand or contract, thereby driving the adjusting headrest part 44 to adjust the lifting, ensuring the stability and stability of the headrest part 44 during the lifting process. The headrest part 44 is composed of a headrest part 441 and a neck support part 442, which are connected together by an L-shaped part 443. The headrest part 441 provides support for the head, while the neck support part 442 provides additional support for the neck; specifically, the neck support part 442 is semicircular, which can straighten the user's cervical spine in hyperextension, thereby not only improving the user's training comfort, but also allowing the headrest part 44 to be individually adjusted according to the needs of different users.

[0047] Please refer to Figures 1 to 2 In some embodiments, the adjustable headrest 40 includes a headrest body 41, a front-back moving assembly 42, an up-down moving assembly 43 and a headrest part 44; the headrest body 41 is detachably connected with the back plate of the rowing machine; the front-back moving assembly 42 is fixedly arranged on the headrest body 41; the up-down moving assembly 43 is fixedly arranged on the front-back moving assembly 42; and the headrest part 44 is arranged on the up-down moving assembly 43, thereby realizing flexible adjustment of the headrest in the horizontal and vertical directions, meeting the individual needs of different users during the training process, and improving the training comfort and effect.

[0048] Please refer to Figure 2 In some embodiments, the front-back moving assembly 42 comprises a fixed base 421 and a front-back moving slide 412, the fixed base 421 is fixedly connected with the headrest body 41; the front-back moving slide 412 is slidingly connected with the fixed base 421, so that the headrest body 41 can be stably moved in the front-back direction, and the user can easily adjust the position of the headrest according to the needs, improving the convenience and flexibility of use.

[0049] Please refer to Figure 2 In some embodiments, the side of the fixed base 421 away from the headrest body 41 is provided with a wedge protrusion 413, the lateral section of the wedge protrusion 413 is provided as an inverted isosceles trapezoid; the front-back moving slide 412 is provided with a wedge groove 414 matching the shape of the wedge protrusion 413, the wedge protrusion 413 is used to constrain the movement of the front-back moving slide 412 in the up-down direction; wherein the front-back moving slide 412 can move forward and backward under the constraint of the wedge protrusion 413, effectively limiting the movement of the front-back moving slide 412 in the up-down direction, ensuring that the front-back moving slide 412 can only move in the front-back direction, improving the accuracy and stability of adjustment, while simplifying the structure and reducing the production cost.

[0050] Please refer to Figure 2 In some embodiments, the side of the fixed base 421 away from the back plate is provided with a front-back adjusting piece 415, the front-back adjusting piece 415 is used to adjust the distance of the front-back moving slide 412 sliding forward and backward relative to the wedge protrusion 413, so that the user can drive the front-back moving slide 412 to move by rotating the adjusting piece, thereby adjusting the position of the headrest, improving the accuracy and flexibility of adjustment, so that the user can easily realize the personalized adjustment of the headrest according to individual needs.

[0051] In some embodiments, the end of the front-back adjusting piece 415 is provided with a gear, the groove bottom of the wedge groove 414 is provided with a rack, the gear is engaged with the rack; wherein rotating the front-back adjusting piece 415 drives the gear to rotate, the gear drives the rack to move in the front-back direction, and the front-back moving slide 412 is driven to move in the front-back direction, thereby making the adjustment process more stable and accurate, avoiding the shaking or instability of the headrest caused by improper adjustment, and improving the comfort and safety of use.

[0052] Please refer to Figures 3 to 4In some embodiments, the up-down moving assembly 43 comprises a supporting base 431 and an adjusting upper seat 432, the supporting base 431 is fixedly arranged on the front-rear moving sliding table 412; a first fixing seat 4311 and a second fixing seat 4312 are arranged on the end face of the supporting base 431 away from the front-rear moving sliding table 412, the first fixing seat 4311 and the second fixing seat 4312 are oppositely arranged; a first sliding rod 4313 and a second sliding rod 4314 are arranged between the first fixing seat 4311 and the second fixing seat 4312; an outer arm sliding block 4315 is arranged between the first sliding rod 4313 and the second sliding rod 4314; the adjusting upper seat 432 is arranged above the supporting base 431; a third fixing seat 4321 and a fourth fixing seat 4322 are arranged on the side of the adjusting upper seat 432 close to the supporting base 431, the third fixing seat 4321 and the fourth fixing seat 4322 are oppositely arranged; a third sliding rod 4323 and a fourth sliding rod 4324 are arranged between the third fixing seat 4321 and the fourth fixing seat 4322; an inner arm sliding block 4325 is arranged between the third sliding rod 4323 and the fourth sliding rod 4324, so that the headrest part 44 can be accurately adjusted in the up-down direction, and the design of multiple sliding rods and sliding blocks is introduced, so that the adjustment range is larger, and the different needs of different users are met.

[0053] For reference, please see Figures 3 to 4 In some embodiments, the up-down moving assembly 43 further comprises two inner scissor arms 433 and two outer scissor arms 434, the two inner scissor arms 433 are fixed on the side faces of the first fixing seat 4311 and the inner arm sliding block 4325 respectively; the two outer scissor arms 434 are fixed on the side faces of the third fixing seat 4321 and the outer arm sliding block 4315 respectively, so as to ensure the stability and stability of the lifting of the headrest part 44, improve the lifting stability of the headrest part 44, and enhance the strength of the whole structure, so that the headrest part 44 is more stable when bearing pressure.

[0054] For reference, please see Figures 3 to 4 In some embodiments, a lifting knob 4316 is arranged outside the second fixing seat 4312, the lifting knob 4316 is used for adjusting the height of the adjusting upper seat 432 and the supporting base 431; wherein, rotating the lifting knob 4316, the outer arm sliding block 4315 moves in the first sliding rod 4313 and the second sliding rod 4314, the inner arm sliding block 4325 synchronously slides with the outer arm sliding block 4315, under the action of the inner scissor arm 433 and the outer scissor arm 434, the height of the adjusting upper seat 432 and the supporting base 431 is jointly adjusted, so that the user can conveniently adjust the height and position of the headrest part 44, the adjustment process is more smooth, and the training experience of the user is improved.

[0055] Please refer to Figure 3 In some embodiments, the headrest part 44 comprises a headrest piece 441 and a neck support piece 442, the headrest piece 441 is fixedly arranged on the up-down moving assembly 43; the neck support piece 442 is arranged above the front-back moving assembly 42, and the neck support piece 442 is fixedly connected with the headrest piece 441 through an L-shaped piece 443, specifically, the neck support piece 442 is arranged in a semi-cylindrical shape and a semi-arc shape, thereby further improving the comfort and experience of user training, and meanwhile, the headrest piece 441 and the neck support piece 442 can be customized according to the needs of users.

[0056] The second embodiment of the present application provides a pedaling machine, which comprises the adjustable headrest as described above, thereby solving the problem that the headrest of the existing pedaling machine cannot be adjusted in the up-down direction, and also realizing the function of correcting the curved spine of users.

[0057] In summary, the present application provides an adjustable headrest, which comprises a headrest body, the headrest body is detachably connected with a back plate of a pedaling machine; a front-back moving assembly, the front-back moving assembly is fixedly arranged on the headrest body; an up-down moving assembly, the up-down moving assembly is fixedly arranged on the front-back moving assembly; and a headrest part, the headrest part is arranged on the up-down moving assembly. Thus, the headrest can be flexibly adjusted in the horizontal and vertical directions, and users can easily adjust the position and height of the headrest according to individual needs, so as to obtain good supporting effect and training experience. Through the additionally arranged neck support piece, the curved cervical spine of users is straightened, which not only improves the training comfort, but also meets the individual needs of different users, and brings a more convenient experience for pedaling training.

[0058] It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the claims attached to the present application.

Claims

1. An adjustable headrest for use in a user's pedaling exercise, characterized by, The adjustable headrest comprises: a headrest body, which is detachably connected with a back plate of a calisthenics machine; a front-back moving assembly, which is fixedly arranged on the headrest body; an up-down moving assembly, which is fixedly arranged on the front-back moving assembly; a headrest part, which is arranged on the up-down moving assembly.

2. The adjustable headrest of claim 1, wherein, The front-back moving assembly comprises: a fixed base, which is fixedly connected with the headrest body; a front-back moving slide, which is slidingly connected with the fixed base.

3. The adjustable headrest of claim 2, wherein, The side of the fixed base, which is away from the headrest body, is provided with a wedge protrusion, and the lateral section of the wedge protrusion is provided in the shape of an inverted isosceles trapezoid. The front-back moving slide is provided with a wedge groove, which is matched with the shape of the wedge protrusion, and the wedge protrusion is used to restrict the up-down movement of the front-back moving slide. The front-back moving slide can move forward and backward under the restriction of the wedge protrusion.

4. The adjustable headrest of claim 3, wherein, The side of the fixed base, which is away from the back plate, is provided with a front-back adjusting part, which is used to adjust the distance of the front-back sliding of the front-back moving slide relative to the wedge protrusion.

5. The adjustable headrest of claim 4, wherein, The end of the front-back adjusting part is provided with a gear, and the groove bottom of the wedge groove is provided with a rack, and the gear is engaged with the rack. The front-back adjusting part is rotated to drive the gear to rotate, the gear drives the rack to move forward and backward, and the front-back moving slide is driven to move forward and backward.

6. The adjustable headrest according to claim 5, wherein The up-down moving assembly comprises: a support base, which is fixedly arranged on the front-back moving slide; a first fixing seat and a second fixing seat are arranged on the end face of the support base, which is away from the front-back moving slide, and the first fixing seat and the second fixing seat are oppositely arranged; a first slide rod and a second slide rod are arranged between the first fixing seat and the second fixing seat, and an outer arm sliding block is arranged between the first slide rod and the second slide rod; an adjusting upper seat, which is arranged above the support base; a third fixing seat and a fourth fixing seat are arranged on the side of the adjusting upper seat, which is close to the support base, and the third fixing seat and the fourth fixing seat are oppositely arranged; a third slide rod and a fourth slide rod are arranged between the third fixing seat and the fourth fixing seat, and an inner arm sliding block is arranged between the third slide rod and the fourth slide rod.

7. The adjustable headrest of claim 6, wherein, The up-down moving assembly further comprises: two inner scissor arms, which are respectively fixed on the side of the first fixing seat and the inner arm sliding block; two outer scissor arms, which are respectively fixed on the side of the third fixing seat and the outer arm sliding block.

8. The adjustable headrest of claim 7, wherein, A lifting knob is arranged outside the second fixing seat, and the lifting knob is used to adjust the height of the adjusting upper seat and the support base; The lifting knob is rotated, the outer arm sliding block moves in the first slide rod and the second slide rod, the inner arm sliding block synchronously slides with the outer arm sliding block, and the height of the adjusting upper seat and the support base is jointly adjusted under the action of the inner scissor arms and the outer scissor arms.

9. The adjustable headrest of claim 7, wherein, The headrest part comprises: a headrest part, which is fixedly arranged on the up-down moving assembly; A neck support is arranged above the front-back moving assembly, and the neck support is fixedly connected with the headrest through an L-shaped piece.

10. A reverse pedaling machine characterized by, The reverse pedaling machine comprises the adjustable headrest as claimed in any one of claims 1 to 9.

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