CN216185634U - Shockproof suspension seat rod mechanism for vehicle - Google Patents

Abstract

The utility model discloses a shockproof suspension seat rod mechanism for a vehicle, which comprises a seat rod, a seat rod clamp, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a seat rod pipe and a damping device, wherein the seat rod is connected with the seat rod clamp through the seat rod clamp; the upper end of the seat rod clamp is connected to the seat rod, and the upper end of the fourth connecting rod is hinged with the lower end of the seat rod clamp; the upper ends and the lower ends of the two second connecting rods are respectively hinged to the fourth connecting rod and the first connecting rod to form a parallelogram structure; the first connecting rod is provided with a seat rod pipe mounting hole, the damping device is arranged in the seat rod pipe, and the upper end of the seat rod pipe extends into the seat rod pipe mounting hole; the lower end of the fourth connecting rod is hinged to the upper end of the third connecting rod, and the lower end of the third connecting rod is hinged to the upper end of the fifth connecting rod; the lower end of the fifth connecting rod penetrates through the seat rod pipe mounting hole and extends into the seat rod pipe to act on the damping device; so, optimized the connecting rod geometry, provided the sense of hanging of ultra-sensitive, ride the comfort level better, ride light, ride farther more fast.

Description

A shock-proof suspension seat post mechanism for a vehicle

technical field

The utility model relates to the technology in the field of vehicle seats, in particular to a shock-proof suspension seatpost mechanism for vehicles, which is mainly but not limited to be applied to any bicycles, such as mountain bicycles, recreational bicycles, folding bicycles, road bicycles, electric bicycles, and the like.

Background technique

The seat is an important part of the vehicle. In order to ensure the comfort of the ride, the seat bottom is covered with a sponge layer and skin (canvas or leather). At the same time, the seat base is also designed to have shock absorption capability. However, the existing vehicle seats with shock absorbing function still have many deficiencies, for example: 1. Although they have shock absorbing function, the use comfort is not ideal. It is inconvenient to adjust the angle, and the front and rear positions of the seat are relatively fixed, especially in a riding accident, it is easy to cause serious damage to the sensitive areas of the user's body; 2. Since the shock absorption function needs to be realized by connecting rods and shock absorbers, in actual use , Often due to the unsatisfactory running smoothness of the connecting rod and shock absorber, the friction noise is large, which affects the riding experience, and at the same time, it is difficult to actually exert the expected shock absorption effect; 3. The overall weight of the existing seat structure is relatively heavy. , which is not conducive to the lightweight design of vehicles.

Therefore, it is necessary to study a new technical solution to solve the above problems.

Utility model content

In view of this, the main purpose of the present invention is to provide an anti-vibration suspension seatpost mechanism for vehicles, which optimizes the geometry of the connecting rod, provides an ultra-sensitive suspension feeling, and improves riding comfort. Well, ride easy, ride farther and faster.

Another object thereof is to provide an anti-vibration suspension seatpost mechanism for a vehicle, which is easy to adjust the front and rear positions or different angles of the seatpost and the seat.

Another object is to provide an anti-vibration suspension seatpost mechanism for vehicles, which improves the smooth running of the connecting rod and the damper, reduces friction noise, and at the same time reduces the overall weight, which is beneficial to lightweight design.

To achieve the above object, the present invention adopts the following technical scheme:

An anti-vibration suspension seatpost mechanism for a vehicle, comprising a seatpost, a seatpost clamp, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a seatpost tube and a shock absorber device; wherein:

The upper end of the seat post clip is connected to the seat post, the upper end of the fourth connecting rod is hinged with the lower end of the seat post clip, the hinge axis of the two is the left-right direction, and the two are arranged between With hinged angle locking structure;

There are at least two second connecting rods, and the upper and lower ends of the two second connecting rods are respectively hinged to the fourth connecting rod and the first connecting rod to form a parallelogram structure;

The first link has a seatpost tube mounting hole, the shock absorber is arranged in the seatpost tube, and the upper end of the seatpost tube extends into the seatpost tube mounting hole;

The lower end of the fourth link is hinged to the upper end of the third link, the lower end of the third link is hinged to the upper end of the fifth link; the lower end of the fifth link passes through the The seatpost tube mounting hole extends into the seatpost tube to act on the shock absorber.

As a preferred solution, the hinge angle locking structure includes a first adjusting toothed surface and a second adjusting toothed surface that are matched with each other, and the first adjusting toothed surface is arranged on the lower end of the seat post clamp, so The second adjusting tooth surface is arranged on the upper end of the fourth connecting rod.

As a preferred solution, there are two seatposts at left and right intervals, and two seatpost clips are arranged on the two seatposts respectively; the upper end of the seatpost clip can be along the seatpost. Front and rear displacement adjustment; the upper end of the fourth connecting rod is coaxially hinged with the two seatpost clamps.

As a preferred solution, the seat post clip has a first connection hole, and the first adjusting tooth surface is arranged on the inner side of the seat post clip around the first connection hole;

The upper end of the fourth connecting rod is provided with a second connecting hole, and the second adjusting tooth surface is arranged around the second connecting hole on the outer side surface of the fourth connecting rod;

A seat post installation screw is connected to the upper end of the fourth connecting rod corresponding to the shaft center of the second connection hole, and the first connection hole and the second connection hole are both hinged on the seat post installation screw.

As a preferred solution, the fourth connecting rod is provided with a third connecting hole and a fourth connecting hole arranged at an upper and lower interval, and the first connecting rod is provided with a fifth connecting hole and a sixth connecting hole arranged at an upper and lower interval;

The third connecting hole, the fourth connecting hole, the fifth connecting hole and the sixth connecting hole are all provided with a first connecting shaft, and the two ends of the second connecting rod are respectively hinged on the corresponding first connecting shaft, so the A first lubricant accommodating groove is recessed on the peripheral surface of the first connecting shaft.

As a preferred solution, the fourth connecting rod and the first connecting rod are provided with screw locking pieces corresponding to the first connecting shaft, and the first connecting shaft is provided with a locking groove; the screw locking pieces are screwed on the The corresponding fourth link and the first link extend into the corresponding locking groove to lock the first connecting shaft.

As a preferred solution, the shock absorbing device includes a shock absorbing spring, a pneumatic shock absorber, a hydraulic shock absorber or a PU shock absorber.

As a preferred solution, the damping device includes a damper guide support member and a damper, and the damper guide support member is detachably arranged on the upper end and/or the lower end of the damper; the damper guide support The peripheral surface of the member is concavely provided with a second lubricant containing groove.

As a preferred solution, the seat post tube is provided with an inner tube support member that supports and is positioned below the damper, and the inner lower end of the seat post tube is provided with an adjusting damping force bushing, the adjusting damping force bushing Screwed to the inner lower end of the seatpost tube, the adjusting damping force bushing is rotated to displace the inner tube support upwards or downwards.

As a preferred solution, the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the fifth connecting rod, the seatpost tube, and the support member in the tube are made of aluminum alloy or carbon fiber material.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solutions, the utility model mainly uses the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod. , The setting of the fifth link optimizes the geometry of the link, the structure is compact and reasonable, provides an ultra-sensitive suspension feeling, provides a good comfort when riding any bicycle, and helps prevent the user's body from any riding accident. Sensitive areas can cause serious injuries, and at the same time, better control the bike when floating on obstacles, reducing physical fatigue and tension during long rides, maximizing body energy efficiency during riding, allowing users to ride Go farther and faster.

Secondly, the upper end of the seat post clip is sleeved on the seat post, and the upper end of the seat post clip can be adjusted along the front and rear displacement of the seat post. 2. The setting of the adjustable tooth surface makes it easy to adjust the front and rear positions or different angles of the seat post and seat.

Furthermore, a first lubricant accommodating groove is recessed on the peripheral surface of the first connecting shaft, a second lubricant accommodating groove is recessed on the peripheral surface of the damper guide support, and the first lubricant accommodating groove is recessed. A lubricant accommodating groove, and lubricant such as lubricating oil can be added to the second lubricant accommodating groove, so as to improve the running smoothness of the connecting rod and the damper, and reduce the friction noise.

And, the seatpost tube is provided with an inner tube support member that supports and is positioned below the damper, the inner lower end of the seatpost tube is provided with an adjusting damping force bushing, and the adjusting damping force bushing is rotated to make all the The support in the tube is displaced upward or downward to adjust the stiffness of the damper (such as a spring), so that it can meet the needs of different users, and at the same time, it is easy to adjust by hand or tools, and the operation is convenient; and through the arrangement of the support in the tube, you can By shortening the design length of the damper (eg spring), the damper is lighter in weight, which helps to reduce the overall weight.

In order to illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

1 is a perspective view of an embodiment of the present utility model;

Fig. 2 is another perspective view of the embodiment of the present invention;

3 is a side view of an embodiment of the present utility model;

4 is a cross-sectional view of an embodiment of the present invention;

Figure 5 is an exploded view of an embodiment of the present invention (adapter bushing not shown);

FIG. 6 is another exploded view of the embodiment of the present invention (the adapter bushing is not shown);

Fig. 7 is the front view of the embodiment of the present utility model;

FIG. 8 is a three-dimensional structural diagram of the seatpost clip according to the embodiment of the present invention;

Fig. 9 is the three-dimensional structure diagram of the first connecting rod of the embodiment of the present invention;

FIG. 10 is a three-dimensional structural diagram of the third connecting rod according to the embodiment of the present invention;

Figure 11 is a bottom view of the embodiment of the present invention.

Description of drawings:

Seatpost 1, seatpost clamp 2, first link 3, second link 4, third link 5, fourth link 6, fifth link 7, seatpost tube 8, shock absorber 9, seat Chair 11, seatpost tube mounting hole 31, first adjusting tooth surface 21, second adjusting tooth surface 61, first connecting hole 22, second connecting hole 62, third connecting hole 63, fourth connecting hole 64, Seatpost mounting screw 65, fifth connecting hole 32, sixth connecting hole 33, first connecting shaft 10, first lubricant accommodating groove 101, screw locking piece 102, locking groove 103, second connecting shaft 10', damping The damper guide support 91 , the damper 92 , the second lubricant accommodating groove 911 , the inner tube support 93 , the adjusting damping force bushing 94 , the socket shaft 9101 , the guide shaft 9102 , the spring positioning post 9103 , and the adapter bushing 801 .

Detailed ways

First of all, it should be noted that the description and definition of the directions in this article are mainly based on the directions of the bicycles when they are in use. The front side of the seat 11 is facing the front of the vehicle, similarly, the rear side of the seat 11 is facing the rear of the vehicle.

Please refer to FIG. 1 to FIG. 11 , which show the specific structure of the embodiment of the present invention.

An anti-vibration suspension seatpost mechanism for vehicles, which is mainly but not limitedly applied to any bicycle, such as mountain bicycles, recreational bicycles, folding bicycles, road bicycles, electric bicycles, and the like. The shock-proof suspension seatpost mechanism for a vehicle includes a seatpost 1, a seatpost clamp 2, a first link 3, a second link 4, a third link 5, a fourth link 6, a fifth link 7, Seatpost tube 8 and shock absorber 9; wherein:

The seat post 1 is arranged at the bottom of the seat 11 , the upper end of the seat post clip 2 is connected to the seat post 1 , the upper end of the fourth link 6 is hinged with the lower end of the seat post clip 2 , The hinge axis of the two is the left and right direction, and a hinge angle locking structure is arranged between the two; at least two second connecting rods 4 are provided, and the upper and lower ends of the two second connecting rods 4 are hinged to the first connecting rod 4 respectively. The four-link 6 and the first link 3 form a parallelogram structure; the first link 3 has a seatpost tube mounting hole 31 , the shock absorber 9 is arranged in the seatpost tube 8 , and the seat The upper end of the rod tube 8 extends into the seatpost tube mounting hole 31; the lower end of the fourth link 6 is hinged to the upper end of the third link 5, and the lower end of the third link 5 is hinged to the The upper end of the fifth link 7 ; the lower end of the fifth link 7 passes through the seatpost tube mounting hole 31 and extends into the seatpost tube 8 to act on the shock absorber 9 . The arrangement of the first connecting rod 3 and the second connecting rod 4 is used as a stopper to effectively limit the damping stroke distance.

In the present invention, through the arrangement of the first connecting rod 3, the second connecting rod 4, the third connecting rod 5, the fourth connecting rod 6 and the fifth connecting rod 7, the geometrical shape of the connecting rod is optimized, the structure is compact and reasonable, and the Ultra-responsive suspension feel provides great comfort while riding any bike, helps prevent serious injury to sensitive areas of the user's body in any cycling accident, and at the same time, provides better control of the bike while floating over obstacles , reduce the fatigue and tension of the body when riding for a long time, and maximize the energy efficiency of the body during the riding process, allowing users to ride farther and faster.

In this embodiment, the hinge angle locking structure includes a first adjusting toothed surface 21 and a second adjusting toothed surface 61 that are relatively matched, and the first adjusting toothed surface 21 is provided on the seat post clip 2 At the lower end, the second adjusting tooth surface 61 is disposed on the upper end of the fourth connecting rod 6 . The seat post clamp 2 has a first connection hole 22 , and the first adjusting tooth surface 21 is arranged around the first connection hole 22 on the inner side of the seat post clamp 2 ; The upper end is provided with a second connecting hole 62, and the second adjusting tooth surface 61 is arranged around the second connecting hole 62 on the outer side of the fourth connecting rod 6; the upper end of the fourth connecting rod 6 corresponds to the first connecting rod 6. A seatpost mounting screw 65 is connected to the shaft center of the two connecting holes 62, and the first connecting hole 22 and the second connecting hole 62 are both hinged to the seatpost mounting screw 65; and the upper end of the seatpost clip 2 is sleeved On the seat post 1 , the upper end of the seat post clip 2 can be adjusted along the front and rear displacements of the seat post 1 , so that it is easy to adjust the front and rear positions or different angles of the seat post 1 and the seat.

There are two seatposts 1 at the left and right intervals, and two seatpost clips 2 are respectively sleeved on the two seatposts 1 ; the upper end of the fourth connecting rod 6 is connected to the two seatpost clips 2 . Coaxial hinge. The fourth connecting rod 6 is provided with a third connecting hole 63 and a fourth connecting hole 64 arranged at an upper and lower interval, and the first connecting rod 3 is provided with a fifth connecting hole 32 and a sixth connecting hole 33 arranged at an upper and lower interval; The third connecting hole 63 , the fourth connecting hole 64 , the fifth connecting hole 32 and the sixth connecting hole 33 are all provided with the first connecting shaft 10 , and both ends of the second connecting rod 4 are hinged to the corresponding first connecting rods 4 respectively. On a connecting shaft 10, a first lubricant accommodating groove 101 is concavely formed on the peripheral surface of the first connecting shaft 10, and the first lubricant accommodating groove 101 is filled with lubricant to make the connecting rod move more smoothly For example, lubricating oil, etc., reduce friction noise. The hinged relationship between the lower end of the fourth connecting rod 6 and the upper end of the third connecting rod 5 is the same central axis as the fourth connecting hole 64. In actual design and manufacture, the upper end of the third connecting rod 5 is hinged on the The first connecting shaft 10 passing through the fourth connecting hole 64 is sufficient; and the lower end of the third connecting rod 5 and the upper end of the fifth connecting rod 7 are hinged on the second connecting shaft 10 ′ together. The peripheral surface of the second connecting shaft 10' is also recessed with a structure similar to the first lubricant accommodating groove 101, so as to make the rotation between the third link 5 and the fifth link 7 smoother . In this embodiment, the left and right sides of the fourth connecting rod 6 are respectively provided with two second connecting rods 4 , which is equivalent to forming a parallelogram structure on the left and right sides, and its balance is more ideal.

The fourth connecting rod 6 and the first connecting rod 3 are provided with a screw locking member 102 corresponding to the first connecting shaft 10, and the first connecting shaft 10 is provided with a locking groove 103; the screw locking member 102 is screwed for positioning The fourth connecting rod 6 and the first connecting rod 3 extend into the corresponding locking grooves 103 to lock the first connecting shaft 10 .

The shock absorbing device 9 includes shock absorbing springs, pneumatic shock absorbers, hydraulic shock absorbers or PU shock absorbers. Here, the shock absorbing device 9 includes a damper guide support 91 and a damper 92, and the damper guide support 91 is detachably disposed on the upper end and/or the lower end of the damper 92; the damper The peripheral side surface of the guide support 91 is recessed with a second lubricant accommodating groove 911 . Lubricant, such as lubricating oil, which makes the damper move more smoothly, is added into the second lubricant containing groove 911 to reduce friction noise. Meanwhile, the damper guide support 91 is preferably made of a material with high lubricity.

The seat post tube 8 is provided with an inner tube support member 93 that supports and is positioned below the damper 92. The tube inner support member 93 adopts a hollow tube design; the inner lower end of the seat post tube 8 is provided with an adjustable damping force. A bushing 94, the adjusting damping force bushing 94 is screwed to the inner lower end of the seatpost tube 8, and the adjusting damping force bushing 94 is rotated to displace the inner tube support 93 upward or downward, which is easy to use A hand or tool adjusts the damper 92, eg, the spring rate. Here, the damper 92 adopts a spring, and the design length of the spring can be shortened by the arrangement of the support member 93 in the tube. The springs can be replaced to suit different rider weights and preferences. The damper guide supports 91 provided on the upper and lower ends of the springs have a socket shaft 9101, a guide shaft 9102, and a spring positioning post 9103. The damper guide supports 91 on the upper end The socket shaft 9101, the guide shaft 9102, and the spring positioning column 9103 are set from top to bottom, while the socket shaft 9101, the guide shaft 9102, and the spring positioning column 9103 of the damper guide support 91 at the lower end are set from bottom to top, so , so that: the socket shaft 9101 of the damper guide support 91 at the upper end is connected to the lower end of the fifth connecting rod 7 with the embedded hole, and the socket shaft 9101 of the damper guide support 91 at the lower end is connected to the upper end opening of the inner tube support 93 The second lubricant accommodating groove 911 is arranged on the peripheral side surface of the guide shaft 9102, and the two ends of the spring are respectively sleeved on the spring positioning posts 9103 of the damper guide support 91 provided at the upper and lower ends.

The first connecting rod 3 , the second connecting rod 4 , the third connecting rod 5 , the fourth connecting rod 6 , the fifth connecting rod 7 , the seatpost tube 8 , and the inner support member 93 are made of aluminum alloy or carbon fiber material. Made of lightweight materials to reduce weight.

The outer lower end of the seatpost tube 8 is detachably sleeved with an adapter bushing 801, and the adapter bushing 801 can be designed in different sizes, such as standard size, diameter 27.2 mm, diameter 31.6 mm, diameter 33.9 mm, diameter 34.9 mm mm and other outer diameters, it can be applied to different bicycles and has good versatility.

The design focus of this utility model is:

1. Through the arrangement of the first connecting rod 3, the second connecting rod 4, the third connecting rod 5, the fourth connecting rod 6 and the fifth connecting rod 7, the geometric shape of the connecting rod is optimized, the structure is compact and reasonable, and the ultra-sensitive Suspension feel, provides great comfort while riding any bike, helps prevent serious injury to sensitive areas of the user's body in any cycling accident, and at the same time, provides better control of the bike when floating over obstacles, reducing long The fatigue and tension of the body during cycling, maximizing the energy efficiency of the body during cycling, allows the user to ride farther and faster.

2. The upper end of the seat post clip 2 is sleeved on the seat post 1, and the upper end of the seat post clip 2 can be adjusted along the front and rear displacement of the seat post 1. At the same time, through the relatively matched first adjustment tooth shape The arrangement of the surface 21 and the second adjusting tooth surface 61 is easy to adjust the front and rear positions or different angles of the seat post 1 and the seat.

3. A first lubricant accommodating groove 101 is recessed on the peripheral surface of the first connecting shaft 10, and a second lubricant accommodating groove 911 is recessed on the peripheral surface of the damper guide support 91, so Lubricants such as lubricating oil can be added to the first lubricant containing groove 101 and the second lubricant containing groove 911 to improve the smooth running of the connecting rod and the damper and reduce friction noise.

4. The seat post tube 8 is provided with an inner tube support 93 that supports and is positioned below the damper 92, and the inner lower end of the seat post tube 8 is provided with an adjusting damping force bushing 94, and rotating the adjusting damping force The bushing 94 is used to displace the support member 93 in the tube upward or downward to adjust the stiffness of the damper 92 (such as a spring), so that it can meet the needs of different users, and at the same time, it is easy to adjust by hand or tools, and the operation is convenient; By disposing the support member 93 in the tube, the design length of the damper 92 (eg, the spring) can be shortened, and the damper 92 is lighter in weight, which is beneficial to reduce the overall weight.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention , all still belong to the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a shockproof suspension seat pole mechanism for vehicle which characterized in that: comprises a seat rod (1), a seat rod clamp (2), a first connecting rod (3), a second connecting rod (4), a third connecting rod (5), a fourth connecting rod (6), a fifth connecting rod (7), a seat rod pipe (8) and a damping device (9); wherein:

the upper end of the seat rod clamp (2) is connected to the seat rod (1), the upper end of the fourth connecting rod (6) is hinged with the lower end of the seat rod clamp (2), the hinged axial direction of the seat rod clamp and the seat rod clamp is the left-right direction, and a hinged angle locking structure is arranged between the seat rod clamp and the seat rod clamp;

the number of the second connecting rods (4) is at least two, and the upper ends and the lower ends of the two second connecting rods (4) are respectively hinged to the fourth connecting rod (6) and the first connecting rod (3) to form a parallelogram structure;

the first connecting rod (3) is provided with a seat rod pipe mounting hole (31), the damping device (9) is arranged in the seat rod pipe (8), and the upper end of the seat rod pipe (8) extends into the seat rod pipe mounting hole (31);

the lower end of the fourth connecting rod (6) is hinged to the upper end of the third connecting rod (5), and the lower end of the third connecting rod (5) is hinged to the upper end of the fifth connecting rod (7); the lower end of the fifth connecting rod (7) penetrates through the seat rod pipe mounting hole (31) and extends into the seat rod pipe (8) to act on the damping device (9).

2. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 1, wherein: articulated angle locking structure is including relative complex first regulation tooth profile (21), second regulation tooth profile (61), first regulation tooth profile (21) set up in the lower extreme of seatpost clamp (2), second regulation tooth profile (61) set up in the upper end of fourth connecting rod (6).

3. A vehicular shockproof suspension seat post mechanism according to claim 1 or 2, characterized in that: the seat rods (1) are arranged in a left-right spacing mode, the seat rod clamps (2) are arranged in two and are respectively sleeved on the two seat rods (1), and the upper ends of the seat rod clamps (2) can be adjusted along the seat rods (1) in a front-back displacement mode; the upper end of the fourth connecting rod (6) is coaxially hinged with the two seat rod clamps (2).

4. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 2, wherein: the seat bar clamp (2) is provided with a first connecting hole (22), and the first adjusting tooth-shaped surface (21) is arranged around the first connecting hole (22) on the inner side surface of the seat bar clamp (2);

a second connecting hole (62) is formed in the upper end of the fourth connecting rod (6), and the second adjusting tooth-shaped surface (61) is arranged on the outer side surface of the fourth connecting rod (6) and surrounds the second connecting hole (62);

the upper end of the fourth connecting rod (6) is connected with a seat post mounting screw (65) corresponding to the shaft center of the second connecting hole (62), and the first connecting hole (22) and the second connecting hole (62) are hinged to the seat post mounting screw (65).

5. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 1, wherein: the fourth connecting rod (6) is provided with a third connecting hole (63) and a fourth connecting hole (64) which are arranged at intervals up and down, and the first connecting rod (3) is provided with a fifth connecting hole (32) and a sixth connecting hole (33) which are arranged at intervals up and down;

first connecting shaft (10) have all been installed to third connecting hole (63), fourth connecting hole (64), fifth connecting hole (32), sixth connecting hole (33), the both ends of second connecting rod (4) articulate respectively on corresponding first connecting shaft (10), the week side surface of first connecting shaft (10) is concave to be equipped with first emollient and holds recess (101).

6. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 5, wherein: the fourth connecting rod (6) and the first connecting rod (3) are respectively provided with a screw locking piece (102) corresponding to the first connecting shaft (10), and the first connecting shaft (10) is provided with a locking groove (103); the screw locking piece (102) is spirally positioned on the corresponding fourth connecting rod (6) and the first connecting rod (3) and extends into the corresponding locking groove (103) to lock the first connecting shaft (10).

7. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 1, wherein: the damping device (9) comprises a damping spring, a pneumatic damper, a hydraulic damper or a PU damper.

8. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 1, wherein: the shock absorption device (9) comprises a damper guide support piece (91) and a damper (92), wherein the damper guide support piece (91) is detachably arranged at the upper end and/or the lower end of the damper (92); the peripheral side surface of the damper guide support (91) is concavely provided with a second lubricant accommodating groove (911).

9. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 8, wherein: the seat rod pipe (8) is internally provided with an in-pipe supporting piece (93) which is supported and positioned below the damper (92), the inner lower end of the seat rod pipe (8) is provided with an adjusting damping force lining (94), the adjusting damping force lining (94) is spirally connected to the inner lower end of the seat rod pipe (8), and the adjusting damping force lining (94) is rotated to enable the in-pipe supporting piece (93) to move upwards or downwards.

10. A shock absorbing suspension seat post mechanism for vehicle as claimed in claim 8, wherein: the first connecting rod (3), the second connecting rod (4), the third connecting rod (5), the fourth connecting rod (6), the fifth connecting rod (7), the seat rod pipe (8) and the pipe internal supporting piece (93) are made of aluminum alloy or carbon fiber materials.

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