Saddle structure and bicycle

Abstract

The utility model discloses a saddle structure and a bicycle, the saddle structure comprises a seat part, the seat part is used for being horizontally arranged at the top of a seat tube of the bicycle along the transverse direction, the cross section of the seat part perpendicular to the transverse direction comprises at least three quarters of an arc part, and the arc part is arranged at the top end of the cross section. When a rider rides on a bicycle provided with the saddle structure in a forward inclining posture, the perineum of the rider can be prevented from being squeezed and damaged, meanwhile, blood circulation of legs is promoted, riding fatigue is relieved, and the safety coefficient in the riding steering process can be increased.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a seat structure and a bicycle. Background Art

[0002] With the continuous development of society, bicycles have also evolved from traditional bicycles to current road bicycles, mountain bicycles and other models. The riding posture has also evolved from riding with the upper body upright to riding with the upper body leaning forward. The corresponding bicycle seat has also gradually evolved from the traditional bicycle seat to the following two structures: one is a narrow and slender long bicycle seat (hereinafter referred to as a long seat, such as Figure 1 As shown in the figure, the long and narrow bicycle seat is more commonly used. The long and narrow bicycle seat overcomes the problem of the traditional bicycle seat rubbing against the inner thighs when riding. However, the long and narrow bicycle seat is easy to squeeze the rider's perineum during riding, causing damage. Due to the sensitive and fragile physiological structure of the perineum, this damage cannot be changed through exercise adaptation. If you continue to ride, this damage will continue, causing irreversible damage. Another type is a bicycle seat that removes the front end of the traditional bicycle seat and retains the back half (hereinafter referred to as a noseless seat, such as Figure 2 As shown in the figure, the noseless saddle supports the buttocks of the rider in a flat shape when riding. The noseless saddle overcomes the problem that the long strip saddle squeezes and damages the perineum of the rider when riding. However, the noseless saddle has unsafe factors such as rubbing the thighs of the rider, the buttocks of the rider are easy to slip off the saddle, and it is not conducive to control and causes the bicycle to fall when turning. Therefore, there is an urgent need for a bicycle saddle that can avoid squeezing and damaging the perineum of the rider when the rider rides in a forward leaning posture, and can also prevent the rider from falling when turning. Utility Model Content

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the seat used for bicycles in the prior art cannot avoid squeezing and damaging the perineum of the rider when the rider rides in a forward leaning posture and at the same time avoid falling when turning, thereby providing a seat structure and a bicycle.

[0004] According to a first aspect of the utility model, a seat structure is provided, which is applied to a bicycle, and the seat structure comprises:

[0005] The seat portion is used to be horizontally arranged on the top of the seat tube of the bicycle along the transverse direction. The cross section of the seat portion perpendicular to the transverse direction includes at least three-quarters of a circular arc portion, and the circular arc portion is arranged at the top end of the cross section.

[0006] A vehicle seat structure according to the utility model has at least the following technical effects:

[0007] 1. A seat portion is arranged transversely on the top of the seat tube of a bicycle, and the cross section of the seat portion includes an arc portion of at least three quarters arranged at the top thereof; when a rider rides on a bicycle equipped with the present seat structure in a forward-leaning posture, the special arc-shaped support surface of the seat portion is used to support the buttocks and the back of the thigh of the rider, so that the supporting point of the seat portion on the rider's body can change smoothly from the ischial tuberosity to the back of the thigh of the rider, and the supporting point of the seat portion on the rider's body is synchronized with the change of the riding posture. On the one hand, the center of gravity of the rider in motion is coordinated with the change of the center of gravity of the bicycle, so that the riding can cope with complex and changeable road conditions more smoothly and ensure riding safety. On the other hand, the muscle groups at different positions from the ischial tuberosity to the back of the thigh are alternately squeezed and rested, which has a comfortable and health-care effect, and does not oppress the perineum of the rider; when the rider rides on the bicycle equipped with the present seat structure in a forward-leaning posture, it can avoid squeezing and damaging the perineum of the rider, and ensure that it is not easy to fall when turning.

[0008] 2. By connecting the seat part to the seat tube of the bicycle, when a rider turns on a bicycle equipped with the seat structure, the seat tube is used as the axis, and one side of the rider's body is pressed against the end of the seat part on the same side through the support point to generate a steering force, so that the bicycle equipped with the seat structure naturally turns as a whole, thereby overcoming the problem of overall incoordination in steering of noseless seat bicycles in the prior art, increasing the safety factor of riding, and more effectively preventing the rider from falling when turning on a bicycle equipped with the seat structure.

[0009] Preferably, the cross section of the seat portion perpendicular to the transverse direction is arranged to be circular.

[0010] Preferably, the seat portion is configured as a hollow portion.

[0011] Preferably, a flexible cushion layer is provided on the outer peripheral surface of the seat.

[0012] Preferably, the flexible cushion layer is provided with an avoidance groove corresponding to the bottom end of the seat portion, and a first through hole is formed through the bottom end of the seat portion in a vertical direction; the first through hole is communicated with the inner cavity of the seat portion;

[0013] Preferably, at least one end of the seat portion in the transverse direction is penetrated by a second through hole in the transverse direction, and the second through hole is communicated with the inner cavity of the seat portion.

[0014] Preferably, both ends of the seat portion in the transverse direction penetrate through the second through hole in the transverse direction.

[0015] Preferably, the flexible cushion layer is configured as a skin layer;

[0016] And / or, an installation cavity is formed between the inner side wall of the flexible cushion layer and the outer peripheral surface of the seat portion, and a flexible filler is arranged in the installation cavity.

[0017] Preferably, anti-slip annular belts are respectively provided on the outer side walls at both ends of the flexible cushion layer in the transverse direction, and the anti-slip annular belts are arranged along the circumference of the seat portion.

[0018] According to a second aspect of the utility model, a bicycle is provided, comprising a seat tube and a seat structure arranged on the top of the seat tube, wherein the seat structure adopts the seat structure provided by the first aspect.

[0019] A bicycle according to the utility model has at least the following technical effects:

[0020] 1. The seat structure is characterized in that a seat portion is arranged laterally on the top of the seat tube, and the cross section of the seat portion includes an arc portion of at least three quarters arranged on the top thereof; when a rider rides on the bicycle in a forward-leaning posture, the special arc-shaped support surface of the seat portion is used to support the buttocks and the back of the thigh of the rider, so that the supporting point of the seat portion on the rider's body can change smoothly from the ischial tuberosity to the back of the thigh of the rider, and the supporting point of the seat portion on the rider's body is synchronized with the change of the riding posture, on the one hand, the center of gravity of the rider in motion is coordinated with the change of the center of gravity of the bicycle, so that the riding can cope with complex and changeable road conditions more smoothly and ensure riding safety, and on the other hand, the muscle groups at different positions from the ischial tuberosity to the back of the thigh are alternately squeezed and rested, which has a comfortable and health-care effect, and does not oppress the perineum of the rider; when the rider rides on the bicycle in a forward-leaning posture, it can avoid squeezing and damaging the perineum of the rider, and ensure that it is not easy to fall when turning.

[0021] 2. The seat structure connects the seat part with the seat tube. When a rider turns on the bicycle, the seat tube is used as an axis, and one side of the rider's body is pressed against the end of the seat part on the same side through the support point to generate a turning force, so that the bicycle turns naturally as a whole. This overcomes the problem of overall incoordination in steering of bicycles equipped with noseless seats in the prior art, increases the safety factor of riding, and more effectively prevents the rider from falling when turning on the bicycle.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of a long strip-shaped vehicle seat in the prior art;

[0025] Figure 2 It is a schematic diagram of the top view of the structure of a noseless vehicle seat in the prior art;

[0026] Figure 3 It is a schematic diagram of the exploded structure of the seat structure and the seat tube assembly of the first embodiment;

[0027] Figure 4 It is a three-dimensional structural schematic diagram of the assembly of the seat structure and the seat tube of the first embodiment;

[0028] Figure 5 It is a three-dimensional structural schematic diagram of the assembly of the seat structure and the seat tube of the second embodiment;

[0029] Figure 6 A schematic side structural view of a seat portion of a vehicle seat structure according to a third embodiment;

[0030] Figure 7 It is a schematic structural diagram of a bicycle equipped with the seat structure of this embodiment.

[0031] Description of reference numerals:

[0032] 1-seat portion, 11-first through hole, 12-second through hole, 13-arc portion, 14-horizontal portion;

[0033] 2- Seat tube;

[0034] 3-flexible cushion layer, 31-avoidance groove, 32-anti-slip annular belt;

[0035] 4- Riser. DETAILED DESCRIPTION

[0036] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0040] The saddles currently used on bicycles mainly include the following two structures: one is a narrow and elongated strip saddle (such as Figure 1 The long bar seat overcomes the problem of the traditional bicycle seat rubbing against the inner thighs during riding, but the long bar seat is easy to squeeze the rider's perineum and cause damage during riding; the other is to remove the front end of the traditional bicycle seat and retain the back half of the noseless seat (such as Figure 2The noseless saddle supports the buttocks of the rider in a flat surface when riding. The noseless saddle overcomes the problem of the long strip saddle squeezing and damaging the perineum of the rider when riding. However, there are unsafe factors such as friction against the rider's thigh roots, the rider's buttocks easily slipping off the saddle, and the bicycle is not easy to control and may fall when turning. When the noseless saddle drives the front wheel to turn integrally with the front handle of the bicycle, since the noseless saddle lacks the front end of the traditional saddle or the long strip saddle, the rider's inner thigh cannot clamp the front end of the saddle and apply the steering force with the lever with the saddle tube as the fulcrum. Without the lever force, the rider can only use the twisting force of the waist and hips to apply a limited steering force to the rear end of the bicycle through the seat surface of the bicycle seat, which results in the rear end of the bicycle and the rider being unable to synchronously follow the front end of the bicycle in steering, causing the rider's buttocks to easily slip off the noseless seat or fall down when riding fast and turning sharply. It can be seen that the structure of the seat currently used on bicycles cannot avoid squeezing and damaging the rider's perineum when the rider is riding in a forward-leaning posture, and can also avoid falling down when riding. In order to solve the defect that the seat of the prior art cannot avoid squeezing and damaging the rider's perineum and avoid falling down when riding and turning, the seat structure and bicycle of the following embodiments are provided.

[0041] Embodiment 1

[0042] like Figure 3 and Figure 4 The saddle structure provided in this embodiment is shown, which is applied to a bicycle. The saddle structure includes a seat portion 1, which is arranged horizontally on the top of a seat tube 2 of the bicycle along the transverse direction. The cross section of the seat portion 1 perpendicular to the transverse direction is circular. It can be understood that the transverse direction in this embodiment refers to Figure 4 In the horizontal direction.

[0043] The seat structure of the present embodiment is provided with a seat portion 1 arranged laterally on the top of the seat tube 2 of the bicycle, and the cross section of the seat portion 1 is circular. When a rider rides on the bicycle equipped with the seat structure of the present embodiment in a forward-leaning posture, the special arc-shaped support surface of the seat portion 1 is used to support the buttocks and the back of the thigh of the rider, so that the support point of the seat portion 1 on the rider's body can change smoothly from the ischial tuberosity to the back of the thigh of the rider, and the support point of the seat portion 1 on the rider's body is synchronized with the change of the riding posture. On the one hand, the center of gravity of the rider in motion is coordinated with the change of the center of gravity of the bicycle, so that the riding can cope with complex and changeable road conditions more smoothly and ensure riding safety. On the other hand, the muscle groups at different positions from the ischial tuberosity to the back of the thigh are alternately squeezed and rested, which has a comfortable and health-care effect and does not oppress the perineum of the rider. When the rider rides on the bicycle equipped with the seat structure of the present embodiment in a forward-leaning posture, it can avoid squeezing and damaging the perineum of the rider, and ensure that it is not easy to fall when turning, thereby increasing the riding safety factor. The seat structure of the present embodiment connects the seat part 1 with the seat tube 2 of the bicycle. When a rider turns on the bicycle equipped with the seat structure of the present embodiment, the rider uses the seat tube 2 as the axis and presses one side of the rider's body against the end on the same side of the seat part 1 through the support point to generate a steering force, so that the bicycle equipped with the seat structure of the present embodiment turns naturally as a whole, overcoming the problem of overall incoordination in steering of noseless seat bicycles in the prior art, increasing the safety factor of riding, and more effectively preventing the rider from falling when turning on the bicycle equipped with the seat structure of the present embodiment.

[0044] It should be noted that the existing long strip saddles or noseless saddles are essentially like a fixed board, which is only for supporting the moving human body, so that the bicycle seat remains at the level of fixed support point for the buttocks. The essence of a bicycle is continuous movement, and the rider is also constantly moving on the bicycle. The support method of the human body by the fixed support point of the buttocks of the existing long strip saddles or noseless saddles limits the body freedom of the rider to adapt to complex road conditions to a certain extent. The cross-section of the seat part 1 in the seat structure of this embodiment is circular. Because of the special arc-shaped support surface of the seat part 1, the support point of the seat part 1 for the rider's body can change smoothly from the ischial tuberosity to the back of the thigh, and can keep synchronized with the adjustment of the riding posture, so that the rider can balance with the overall center of gravity of the bicycle when riding, so that the rider can cope with complex and changeable road conditions more smoothly, ensure riding safety, and make the muscle groups at different support point positions alternately bear compression and rest adjustment, which has the effect of promoting leg blood circulation and relieving riding fatigue when riding.

[0045] When a rider rides a bicycle in a forward-leaning posture, the forward movement of the bicycle generates air resistance, and pedaling the bicycle forward generates a backward reaction force. The existing bicycle seat cushion supports the rider's buttocks in a flat form, and forms a balancing force with the friction between the buttocks and the seat cushion, the reaction force generated by pedaling the bicycle forward, and the forward air resistance. This force has no stable fulcrum, and the rider needs to consume energy to coordinate the whole body when riding forward. The human body is prone to fatigue when riding on the existing bicycle seat for a long time. The seat structure of this embodiment adopts a seat part 1 installed horizontally at the top end of the seat tube 2 of the bicycle. When riding, the ischial tuberosity of the human body descends to the support point on the back side of the thigh to naturally form a force point for the reaction force of pedaling forward and the forward air resistance. This force point naturally forms a balanced reaction force without the need for the human body to do additional work to generate the balancing force, thereby avoiding the rider from being easily fatigued when riding on a bicycle equipped with the seat structure of this embodiment.

[0046] When a rider leans forward and pedals on a bicycle equipped with the seat structure of the present embodiment, the ischial tuberosity to the posterior thigh muscles and the seat portion 1 of the seat structure of the present embodiment form a natural support point, and this support point changes naturally with the change of the sitting posture. Since the vertical section of the seat portion 1 of the seat structure of the present embodiment is an integral arc surface, the support point changes smoothly and naturally with the corresponding change of the riding posture, and there will be no phenomenon of moving the buttocks and bending the waist when adjusting the riding posture in the existing flat bicycle seat. At the same time, it also overcomes the discomfort of the noseless bicycle seat hitting the posterior thigh muscles, and the smooth change of the support point with the riding posture makes the rider Every time a rider steps on the bicycle pedal, he or she can straighten the leg as a whole, reducing the lateral force on the knee joint. It is as comfortable as standing and pedaling, and can better step on the pedals to apply riding power and reduce the discomfort of knee bending. At the same time, with the support point as the fulcrum, the body parts before and after the support point and the support point form a seesaw structure together. When the left foot steps down to apply riding power, the waist and hips behind the left support point move slightly upward. Correspondingly, the right foot moves upward, and the waist and hips behind the right support point move slightly downward. This cycle is repeated, which can better utilize the body's gravity to convert into riding power, especially for uphill riding.

[0047] When a rider is riding a bicycle equipped with the seat structure of this embodiment, when the rider steps on the pedal, the buttocks behind the support point on the same side moves upward, and the muscle groups near the support point rotate downward around the support point. The left and right feet pedal alternately, and the muscle groups near the left and right riding support points rotate alternately around the support points. For example, when the left foot steps downward, the muscle groups near the left support point are rotated and squeezed. At the same time, the right foot is lifted up, and the muscle groups near the right support point are released. When riding forward, the muscle groups near the support points on the back of the left and right thighs are rotated, squeezed and released alternately, thereby promoting leg blood circulation and relieving riding fatigue.

[0048] When a rider turns on a bicycle equipped with the seat structure of the present embodiment, with the seat tube 2 as the axis, one side of the rider's body presses against the end of the seat 1 on the same side through the support point to generate a steering force. For example, when turning left, while the hand controls the handlebar to turn left, the left side of the rider's body presses backward against the left end of the seat 1 through the support point to generate a steering force. In this way, the entire bicycle turns naturally to the left at the same time, overcoming the problem of overall uncoordinated steering of existing bicycles with noseless seats. When riding fast, this timely and overall coordinated steering is more important, which increases the safety factor of riding and avoids the unsafe feeling that the buttocks are about to slip off the seat when twisting the waist and hips when turning on a bicycle with a noseless seat.

[0049] When a bicycle equipped with the seat structure of the present embodiment is ridden on a rough road, when the rider's body is squeezed and contacted with the seat portion 1 by the arc surface at the front and rear positions, the upward impact force of the riding bump vibration is dispersed and buffered by the arc surface of the seat portion 1 at the support point and the arc surface of the inward muscle formed by the rider's contact and squeezing. The existing bicycle seat cushion supports the rider's body buttocks in a flat form. When riding, the upward impact force of the bump directly acts upward on the rider's buttocks or perineum, which may cause great pain to the rider in severe cases. When the human body is positively supported and squeezed with the seat structure of the present embodiment by the arc surface at the upper and lower positions, the bow formed by the upper limbs and lower limbs of the forward-leaning riding posture has the instinctive elastic deformation of the human body, which will cause the human body to have a slight sliding bounce at the support point position, thereby relieving the bump upward impact force during riding. Therefore, the bicycle equipped with the seat structure of the present embodiment allows the rider to have a safer and more comfortable riding experience. At the same time, the special arc surface characteristics of the seat portion 1 of the seat structure of the present embodiment combined with the forward-leaning riding posture of the human body have a natural shock-absorbing effect and a simpler structure.

[0050] The seat structure of this embodiment can be applied to road bicycles, mountain bicycles, off-road bicycles, fitness bicycles, etc.

[0051] When the seat structure of the present embodiment is applied to a road bicycle with curved handlebars, the flexibility of the position change of the support point of the seat portion 1 of the seat structure of the present embodiment exceeds to a certain extent the effect of changing the handlebar position of a road bicycle to adjust the riding posture. The curved handlebar needs the rider to change the handlebar position by alternating the movements of both hands and the coordination of the whole body, which causes more uncertain and unsafe factors when riding at high speeds. For example, to achieve the effect of changing the riding posture from the middle handlebar position to the lower handlebar position, riding a road bicycle equipped with the seat structure of the present embodiment only requires a slight rotation and sliding backward along the arc surface of the support point of the seat portion 1, so that the riding support point moves slightly backward, and the waist and abdomen move backward with it, while the upper body leans forward. Compared with the handlebar changing action of a road bicycle, this is more natural and smoother, and the safety is also improved. It also reduces the strength burden on the waist, abdomen and arms, and has better safety and comfort.

[0052] Specifically, the projection of the geometric center of the seat portion 1 along the length direction of the seat tube 2 overlaps with the geometric center of the seat tube 2 of the bicycle.

[0053] Optionally, the seat 1 is configured as a hollow portion. This configuration can reduce the weight of the seat 1 while satisfying the structural strength of the seat 1, thereby reducing the weight of the vehicle seat structure of this embodiment, and further reducing the weight of the vehicle seat structure equipped with this embodiment for easier transportation.

[0054] like Figure 3 As shown, optionally, the outer peripheral surface of the seat portion 1 is provided with a flexible cushion layer 3. The flexible cushion layer 3 improves the tactile sensation of the rider's buttocks in contact with the seat structure of this embodiment, further improving the rider's riding comfort and experience on a bicycle equipped with the seat structure of this embodiment.

[0055] like Figure 3 As shown, optionally, the flexible cushion layer 3 is provided with an avoidance groove 31 corresponding to the bottom end of the seat 1, and a first through hole 11 is formed vertically through the bottom end of the seat 1 corresponding to the position of the avoidance groove 31; the first through hole 11 is connected to the inner cavity of the seat 1. Considering that the temperature of the seat 1 may rise when the rider sits on the seat structure of this embodiment and rides, the inner cavity of the seat 1 is connected to the external air for convection heat exchange by adding the first through hole 11, so as to achieve the effect of cooling. It can be understood that in specific applications, the number of the first through holes 11 in this embodiment is reasonably selected according to actual needs. For example, in different embodiments, the number of the first through holes 11 can be set to one, two, three, ten, fifteen or twenty or other numbers.

[0056] Optionally, the flexible cushion layer 3 is configured as a skin layer. The skin layer has good wear resistance to avoid wear and tear after a period of time; and the skin layer has good waterproof and heat insulation properties to improve the rider's experience.

[0057] Optionally, an installation cavity is formed between the inner side wall of the flexible cushion layer 3 and the outer peripheral surface of the seat 1, and a flexible filler is arranged in the installation cavity. By adding a flexible filler between the flexible cushion layer 3 and the seat 1, a better shock absorption effect can be achieved, further improving the riding experience of the rider. Specifically, the material of the flexible filler can be latex, polyester or other foaming materials.

[0058] like Figure 4 As shown, optionally, the flexible cushion layer 3 is provided with anti-skid annular belts 32 on both ends of the outer side wall in the transverse direction, and the anti-skid annular belts 32 are arranged along the circumference of the seat portion 1. The anti-skid annular belts 32 further increase the friction between the rider's body in the left and right directions, and more effectively prevent the rider's buttocks from slipping off the seat structure of this embodiment.

[0059] Embodiment 2

[0060] like Figure 5 The figure shows a vehicle seat structure provided in this embodiment. Compared with the first embodiment, this embodiment differs in the specific structure of the seat portion 1. In this embodiment, at least one end of the seat portion 1 is formed with a second through hole 12 in the transverse direction, and the second through hole 12 is connected to the inner cavity of the seat portion 1. The second through hole 12 increases the area of ​​the inner cavity of the seat portion 1 connected to the outside air for convective heat exchange, which can achieve a better heat exchange effect. However, because rainwater can easily enter the inner cavity of the seat portion 1 through the second through hole 12, the first through hole 11 can also serve as a drainage hole to discharge the water entering the inner cavity of the seat portion 1.

[0061] In order to achieve a better heat dissipation effect, specifically, both ends of the seat portion 1 in the lateral direction are penetrated to form the second through holes 12 in the lateral direction.

[0062] Embodiment 3

[0063] like Figure 6The figure shows a seat structure of the present embodiment. Compared with the first embodiment, the present embodiment differs in the specific structure of the seat 1. In the present embodiment, the cross section of the seat 1 perpendicular to the horizontal direction includes a three-quarter arc portion 13, and the bottom end of the cross section of the seat 1 perpendicular to the horizontal direction is provided with a horizontal portion 14; the horizontal portion 14 and the arc portion 13 enclose the cross section of the seat 1. When a rider rides a bicycle equipped with the seat structure of the present embodiment in a forward-leaning posture, the rider can avoid squeezing and damaging the perineum of the rider while promoting blood circulation in the legs and relieving riding fatigue, and the safety factor during riding and turning can be increased. The horizontal portion 14 facilitates the installation of the seat 1 on the top of the seat tube 2 of the bicycle, and the connection is more firm and the connection tightness is better.

[0064] It can be understood that the structure of the seat 1 of the third embodiment can be formed by cutting off a portion of the lower end of the cylindrical seat 1 of the first embodiment in the transverse direction.

[0065] Embodiment 4

[0066] like Figure 7 A bicycle provided in this embodiment is shown, comprising a seat tube 2 and a seat structure arranged on the top of the seat tube 2. The seat structure adopts the seat structure described in the first embodiment, the second embodiment or the third embodiment.

[0067] The seat structure of the bicycle of the present embodiment is characterized by arranging a seat portion 1 laterally on the top of the seat tube 2, and the cross section of the seat portion 1 includes an arc portion of at least three quarters arranged on the top thereof; when the rider rides on the bicycle of the present embodiment in a forward-leaning posture, the special arc-shaped support surface of the seat portion 1 is used to support the buttocks and the back of the thigh of the rider, so that the support point of the seat portion 1 on the rider's body can change smoothly from the ischial tuberosity to the back of the thigh of the rider, and the support point of the seat portion 1 on the rider's body is synchronized with the change of the riding posture, on the one hand, the center of gravity of the rider in motion is coordinated with the change of the center of gravity of the bicycle, so that the riding can cope with complex and changeable road conditions more smoothly and ensure riding safety; on the other hand, the muscle groups at different positions from the ischial tuberosity to the back of the thigh are alternately squeezed and rested, which has a comfortable and health-care effect, and does not oppress the perineum of the rider; when the rider rides on the bicycle of the present embodiment in a forward-leaning posture, it can avoid squeezing and damaging the perineum of the rider, and ensure that it is not easy to fall when turning, thereby increasing the riding safety factor. The seat structure of the bicycle of the present embodiment connects the seat part 1 with the seat tube 2. When the rider turns on the bicycle of the present embodiment, the rider uses the seat tube 2 as the axis and presses one side of the rider's body against the end of the seat part 1 on the same side through the support point to generate a steering force, so that the bicycle of the present embodiment turns naturally as a whole, overcoming the problem of the overall incoordination of the steering of the bicycle equipped with a noseless seat in the prior art, increasing the safety factor of riding, and more effectively preventing the rider from falling down when turning on the bicycle of the present embodiment.

[0068] Specifically, the bicycle further includes a seat tube 4 , and the seat tube 2 is arranged on the top of the seat tube 4 .

[0069] like Figure 4 and Figure 6 As shown, the seat tube 2 is optionally arranged at an angle, and the angle formed between the arrangement direction of the seat tube 2 and the vertical direction is an acute angle. When a rider rides a bicycle equipped with this embodiment in a forward-leaning posture, the special arc-shaped support surface of the seat 1 better supports the rider's body, further improving the rider's experience. The vertical direction in this embodiment refers to Figure 6 The vertical direction in .

[0070] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A seat structure, applied to a bicycle, characterized in that: The vehicle seat structure comprises: A seat portion (1) is used to be arranged horizontally on the top of a seat tube (2) of a bicycle in a transverse direction, wherein the seat portion (1) includes a circular arc portion (13) of at least three quarters in a cross section perpendicular to the transverse direction, and the circular arc portion (13) is arranged at the top end of the cross section.

2. A vehicle seat structure according to claim 1, characterized in that: The cross section of the seat (1) perpendicular to the transverse direction is arranged to be circular.

3. A vehicle seat structure according to claim 1 or 2, characterized in that: The seat portion (1) is configured as a hollow portion.

4. A vehicle seat structure according to claim 3, characterized in that: The outer peripheral surface of the seat portion (1) is provided with a flexible cushion layer (3).

5. A vehicle seat structure according to claim 4, characterized in that: The flexible cushion layer (3) is provided with an avoidance groove (31) corresponding to the bottom end of the seat (1), and a first through hole (11) is formed vertically through the bottom end of the seat (1); the first through hole (11) is connected to the inner cavity of the seat (1).

6. A vehicle seat structure according to claim 4, characterized in that: A second through hole (12) is formed through at least one end of the seat portion (1) in the transverse direction, and the second through hole (12) is communicated with the inner cavity of the seat portion (1).

7. A vehicle seat structure according to claim 6, characterized in that: Both ends of the seat portion (1) in the transverse direction penetrate in the transverse direction to form the second through hole (12).

8. A vehicle seat structure according to claim 4, characterized in that: The flexible cushion layer (3) is configured as a skin layer; And / or, an installation cavity is formed between the inner side wall of the flexible cushion layer (3) and the outer peripheral surface of the seat portion (1), and a flexible filler is arranged in the installation cavity.

9. A vehicle seat structure according to claim 4, characterized in that: The flexible cushion layer (3) is provided with anti-skid annular belts (32) on the outer side walls at both ends in the lateral direction, respectively. The anti-skid annular belts (32) are arranged along the circumference of the seat portion (1).

10. A bicycle, characterized in that: The invention comprises a seat tube (2) and a seat structure arranged on the top of the seat tube (2), wherein the seat structure adopts the seat structure according to any one of claims 1 to 9.

Images