TW201309524A - Seat tube combining structure - Google Patents

Abstract

This invention primarily provides a seat tube combining structure, including a seat tube with a head end; a head seat arranged on the head end; a combining part provided with a first combining part at the head end and a second combining part at the bottom of the head seat for mutual engagement with the first combining part; a combination seat sleeved on the head end; a clamping set which is arranged to the head seat and has a first clamping block and a second clamping block that are arranged opposite to each for clamping against the supporting rod of the seat cushion; at least one combination piece which penetrates through the combination seat and the first and the second clamping blocks to force the head seat to fix to the head end. With the above members, combination piece is released to allow the head seat to make relative pivotal motion at the head end in order to adjust preset angles for the seat cushion to swing leftward or rightward. The adjustment is simple and convenient, and will not affect the height of the seat cushion to achieve a really good innovation.

Description

Seat tube assembly structure

The invention relates to a seat tube assembly structure, in particular to a seat tube end design which can conveniently adjust the left and right pivoting of the seat cushion without affecting the height of the seat cushion, and can achieve the effect of convenient adjustment.

The seat cushion of the bicycle is locked on the seat tube, and the seat tube is arranged above the rear section of the frame, and a seat tube bundle is arranged between the frame and the seat tube for tightening the seat tube on the frame. The seat tube bundle can be loosened, and the seat tube is not pressed, so that the seat tube can be adjusted to rise or fall to adjust the seat cushion to an appropriate height, and an adjustment of the tilt angle of the front and rear of the seat cushion can be changed above the seat tube. The device can adjust the seat cushion to an appropriate angle of inclination to meet the needs of different riders or different road conditions for comfortable riding.

Commonly, the seat tube assembly structure for the seat cushion assembly can be roughly divided into left and right locking type and upper and lower locking type according to the locking manner.

According to the conventional double-screw manual fine-tuning seat tube disclosed in the Japanese Patent No. 098221903, the present invention comprises: a base unit having a top surface and a forming a concave arc groove on the top surface; a adjusting base unit disposed on the base unit, the adjusting base unit having two spaced apart first pivoting ears, two spaced apart and opposite to the first pivoting second a pivoting portion, a bottom surface, and a convex arc block protruding downward from the bottom surface and interposed between the first and second pivoting ears, the convex arc block engaging with the concave arc groove; a first adjusting unit, a nut member pivotally disposed on the first pivoting ears, and a first adjusting screw rotatably disposed on the base unit and screwed to the nut member; and a second adjusting unit having a rotatable An adjusting button disposed on the base unit, and an adjusting member pivotally connected to the second pivoting ear and screwed to the adjusting button, rotating the first adjusting screw and the adjusting button to make the adjusting base unit Swinging at the base unit.

Another conventionally-locked and fixed-type seat tube assembly structure, such as the "seat tube and seat joint structure" disclosed in the Japanese Patent No. 099202315, includes: a tube for coupling with a bicycle frame. The top of the curved receiving portion is provided with a screw perforation; a set of connecting blocks is formed by an upper clip and a lower clip, and the bottom of the lower clip The edge is curved in conformity with the curved receiving portion, wherein a long slot is provided in the line, and a hole is formed in the middle of the upper clip, and the upper and lower clips are respectively on the two sides of the line Corresponding recesses are provided for the support rods at the bottom of the bicycle seat; a screwing member is oppositely disposed above the perforations of the upper clips, and the outer periphery of the upper clip is spherical, and can be relatively deep into the upper clip The perforation can be steered relative to the upper clip; a bolt passes through the screw perforation of the curved receiving portion, the long slot of the lower clip and the perforation of the upper clip through the arc-shaped receiving portion, and The screw is screwed.

In the above structure, the former is disposed on the base unit, the top surface of the base unit has a concave arc groove, and the adjuster base unit has two first pivot ears and two second pivot ears. a convex arc piece that is coupled to the concave groove and is connected to the concave arc groove, and the nut member of the first adjusting unit is pivotally disposed on the first pivoting arm, and is rotatably disposed on the base unit by using the first adjusting screw The nut member is screwed, and the adjusting button of the second adjusting unit is rotatably disposed on the base unit, and the second pivoting arm is pivoted by an adjusting member and screwed with the adjusting button to provide the seat cushion and the seat tube The coupling effect between the nut member and the adjusting member and the adjusting seat unit form a left-right locking joint; the latter is provided with an arc-shaped receiving portion at the top of the seat tube for contacting the clip under the set of connecting blocks a screwing member is disposed above the upper clip, and the arc receiving portion, the lower clip and the upper clip are pierced by a bolt, and are screwed with the screw member to form an upper and lower locking joint to provide The connection between the seat cushion and the seat tube.

However, regardless of the seat tube assembly structure that connects the seat cushion and the seat tube by using the left and right locking type or the upper and lower locking type, the seat tube and the frame are tightened by the seat tube bundle, and if the seat cushion needs to be adjusted, At the yaw angle, the seat tube bundle needs to be loosened before the left and right yaw of the seat cushion is adjusted. However, when the seat tube bundle is loosened, it is easy to cause the seat tube to rise or fall in the frame, and the original reservation is changed. The height of the seat cushion, the user needs to re-adjust the height, but this adjustment action is easy to cause the left and right yaw angle of the seat cushion to shift, which affects the adjustment effect, which is quite inconvenient to use; therefore, the inventor further provides the above problems. A practical and innovative seat tube assembly structure.

(Technical means to solve the problem)

In view of the above, the seat tube assembly structure disclosed in the present invention is mainly for assembling a mat, which comprises: a tube connected to the frame, the seat tube has a head end; the head seat is sleeved. a cylindrical body connected to the top end of the head end; a set of joints is provided with a first set of joints at the head end, the first set of joints being a convex portion or a concave portion, the head a portion of the seat that is coupled to the head end corresponds to the first set of joints and is provided with a second set of joint portions, the second set of joint portions corresponding to the first set of joint portions and oppositely disposed as a concave portion or a convex portion The first and second sets of joints are mutually embedded; a joint seat is provided with a set of holes in the central axial direction to be nested with the seat tube, and is positioned at the head end and located below the head end; The clamping group has a first clamping block and a second clamping block. The bottom of the first clamping block is disposed at the top of the head block, and the top surface of the first clamping block has two concave faces respectively open upward. a groove, and the bottom surface of the second clamping block has two grooves respectively open downward, so that the first and second clamping blocks are oppositely disposed, and the seat cushion is The struts are respectively disposed in the respective grooves; at least one coupling member is coupled to the coupling seat, the first clamping block and the second clamping block to sandwich the first and second clamping blocks Each of the struts is fastened to the head end by the clip; and the head member is relatively pivoted at the head end by releasing the joint member by the above-mentioned member to adjust the seat cushion The left and right yaw preset angles are simple and convenient to adjust, and will not affect the height of the seat cushion, and it is an excellent innovation and practicality.

(cf. the efficacy of prior art)

One of the objects of the present invention is to provide a seat tube assembly structure, which is provided with a head seat at the head end of the seat tube, and a clamp group which can be clamped against the seat cushion support rod is arranged above the head seat, and the seat tube is mounted on the seat tube The sleeve is provided with a joint seat, and the joint member and the clamp group are coupled by the joint member, and the head joint is fixed to the head end by clamping, and the left and right yaw of the seat cushion can be adjusted by loosening the joint member. The preset angle eliminates the need to loosen the seat tube bundle between the bottom of the seat tube and the frame, so it does not affect the preset height of the seat cushion. The adjustment method is simple and fast, and the invention is excellent in innovation and convenience.

The second object of the present invention is to provide a seat tube assembly structure, wherein the head end and the head base are provided with a joint portion that can be inserted and positioned with each other, and has a concave and convex portion embedded card design, and can also be matched with the inclined surface. In a way, the two can be pressed against each other to achieve a stable fixed position.

The third object of the present invention is to provide a seat tube assembly structure, wherein the assembly portion is provided with a plurality of convex portions and concave portions which can be mutually inserted between the end faces of the head end and the head holder, so that the head holder can be The head end is used for the relative pivoting of the segment type, so that the seat cushion can be used for the left and right yaw adjustment of the preset angle, so that the adjustment displacement action is more precise, and the invention is excellent in innovation and convenience.

First, please refer to the first to fifth figures. The seat tube assembly structure provided by the present invention is mainly for assembling a mat. The seat tube assembly structure mainly comprises: a tube (10) and a head seat (20). a set of joints (30), a joint (40), and a clamp set (50).

The seat tube (10) has a head end (11), and the other end is for being combined with the frame assembly. The outer end of the head end (11) is convexly formed with a blocking portion (12).

The head base (20) is a sleeve-shaped seat body, and a shaft hole (21) is disposed at a center thereof, and a ring slope surface (22) is formed on one end surface of the head seat (20), and the ring slope surface ( 22) a concave arc portion (23) is formed in the middle portion, and the shaft base (24) having a smaller outer diameter is protruded from the other end of the head seat (20), so that the shaft column (24) is sleeved and sleeved on the seat tube (10) ) inside the head end (11).

The connecting portion (30) is provided with a first connecting portion (31) on the axial end surface of the head end (11), which can be set as a convex portion or a concave portion, and is at the bottom of the head base (20) A second assembly portion (32) is disposed on an end surface away from the inclined surface of the ring (22). The second assembly portion (32) corresponds to the shape of the first assembly portion (31), and is oppositely configured as a concave portion or a convex portion. In this embodiment, the first set of joints (31) are arcuate protrusions, and the second set of joints (32) corresponds to the first set of joints (31) And oppositely forming an arc-shaped recess.

The coupling seat (40) is a closed-body-shaped seat body, and has a hole (41) disposed at a central axial direction thereof, and a pivoting portion (42) is respectively disposed on opposite sides of the coupling seat (40). Each of the pivoting portions (42) is axially provided with a hole (43), and the coupling seat (40) and the top surface of each of the pivoting portions (42) are inclined to the ring slope (22), and The bottom of the sleeve (41) is convexly disposed on the bottom of the hole (41) to form a retaining edge (44) corresponding to the shape of the blocking portion (12), so that the coupling seat (40) is inserted from the bottom to the seat tube (10). The retaining edge (44) and the blocking portion (12) are abutted and fixed to each other to be sleeved at the head end (11).

The clamping group (50) has a first clamping block (51) and a second clamping block (52), and the bottom of the first clamping block (51) is a concave arc corresponding to the header (20). The portion (23) is convexly disposed in an arc-shaped seat body for being sleeved on the concave arc portion (23), and the top surface of the first clamping block (51) has two grooves (511) respectively open upward. a second transparent portion (512) is formed between the two sides of the first clamping block (51) and the two recesses (511); the second clamping block (52) has a bottom surface that is open downwardly a second groove (521), and the two sides of the second clamping block (52) are respectively formed with a hole (522) corresponding to each hole (43) of the coupling seat (40); The holding blocks (41) (42) are oppositely disposed, and the holes (522) are disposed above the transparent portion (512), and each of the grooves (511) (521) is oppositely connected to the groove shape for one Two struts (61) extending in the front and rear directions are provided at the bottom of the pad (60).

At least one coupling member (45), in the embodiment, the two coupling members (45) are respectively inserted into the hole (43) of the coupling seat (40) and the transparent portion of the first clamping block (51). (512) and a hole (522) of the second clamping block (52) for fastening the coupling seat (40) and the clamping group (50) to make the first clamping block (51) tighten the headstock (20) being fixed to the head end (11) of the seat tube (10), and causing a clamping action between the first and second clamping blocks (41) (42) to clamp and fix each of the rods (61) And further, the purpose of assembling the seat cushion (60) to the head end (11) of the seat tube (10), and the head base (20) can be relatively pivoted at the head end (11), the seat cushion can be provided ( 60) The left and right swings can be adjusted to adjust the preset angle, and the first clamping block (51) can be pivoted relative to the concave arc portion (23) of the headstock (20), and the adjustment can be performed. The effect of the front and rear tilt angles of the seat cushion (60).

With the above components, the headstock (20) is assembled on the head end (11) of the seat tube (10), and a support rod (60) is supported above the head base (20). The clamping group (50) is sleeved on the head end (11), and the coupling member (45) is used to engage the coupling seat (40) and the clamping group (50) for clamping. Resisting the head base (20) is fixed to the head end (11), and the head base (20) is relatively pivoted at the head end (11) by loosening the joint member (45). In order to adjust the left and right yaw of the seat cushion (60) to a preset angle, the adjustment mode is simple and convenient, and the seat tube and the frame are still fixed, and the seat cushion is not affected (60) Height, for the purpose of excellent convenience and practicality.

In order to further understand the structural features of the present invention, the technical means, and the desired effects, the mode of use of the present invention will be described as follows: The assembly of the present invention firstly sets the headstock (20) to the seat tube (10). On the head end (11), and the first and second sets of joints (31) (32) are mutually inserted, and then the first and second clamping blocks (51) (52) are oppositely disposed. The struts (61) of the seat cushion (60) are disposed in the grooves (511) (521) between the first and second clamping blocks (51) (52), and the first clamping block is made (51) is disposed above the headstock (20), and then the sleeve (40) is sleeved from the bottom to the top end (11) of the seat tube (10), and then the two coupling members (45) are respectively worn. The hole (43) of the joint seat (40), the transparent portion (512) of the first clamping block (51) and the hole (522) of the second clamping block (52) are provided for fastening the joint ( 40) and the clamping group (50), the first clamping block (51) is urged to the headstock (20) to be fixed to the head end (11), and the first and second clamping blocks (51) are 52) Clamp the fixed strut (61), that is, the assembly is completed.

In the use of the present invention, only one of the coupling members (45) needs to be slightly loosened, and the headrest (20) can be adjusted by pivoting the seat cushion (60) relative to the head end (11). The seat cushion (60) is biased to the left and right to a preset angle, and then the joint member (45) is locked and fixed, because the adjustment manner does not loosen the seat tube (10) and the frame. The seat tube bundle does not affect the height of the seat cushion (60), providing convenient adjustment.

The second embodiment of the present invention is shown in the sixth to seventh embodiments, wherein the first end portion (33) is oppositely disposed between the end faces of the head end (11) and the headstock (20). And a second set of joints (34), the top surface of the first set of joints (33) is provided with a planar first joint (331), and the two sides thereof extend toward the head end (11) The ring is provided with a first inclined surface (332), and the width between the two first inclined surfaces (332) is greater than the width of the first connecting surface (331); the second connecting portion (34) corresponds to The first set of joints (33) is shaped to have a wide opening and a internally narrowed recess. The second set of joints (34) is internally provided with a second joint (331) and a second joint (341). And the second side of the second group (34) corresponds to the first slope (332) and is respectively provided with a second slope (342), so that the first and second groups (33) (34) can be The card is inserted into each other, and by loosening one of the coupling members (45), the head seat (20) and the head end (11) can be adjusted to pivot relative to each other, and the left and right sides of the seat cushion (60) can be adjusted. The effect of swinging to a preset angle; further, the bevel abutment design between the first and second sets of joints (33) (34) The utility model can provide the function of the stable fitting and fixing, and the locking and fixing of the binding member (45) can make the head end (11) and the head seat (20) be pressed against each other by the inclined surface, so that the pressing force is extremely tight. The effect of positioning.

The third embodiment of the present invention is shown in the eighth to ninth embodiments, wherein the first end portion (35) is oppositely disposed between the end faces of the head end (11) and the headstock (20). And a second set of joints (36), a top surface of the first set of joints (35) is provided with a planar third joint (351), and an outer side of the first end of the joint (11) is provided with a ring a third inclined surface (352), wherein the inner ring is concavely provided with a fourth connecting surface (353) of a vertical angle; the second connecting portion (36) corresponds to the shape of the first set of connecting portions (35), and is internally A third junction (361) is disposed corresponding to the third junction (351), and one of the fifth junctions (361) is provided with a fourth slope (362) corresponding to the third slope (352), and the other side is Corresponding to the fourth joint surface (353), a sixth joint surface (363) is formed in a right angle, so that the first and second joint portions (35) (36) can be mutually inserted and loosened. One of the coupling members (45) can adjust the relative pivoting between the head end (11) and the headstock (20), and can also adjust the left and right yaw of the seat cushion (60) to a preset angle; Furthermore, the inclined surface between the first and second sets of the connecting portions (35) and the vertical surface abuts the matching member ( 45) The locking is fixed to achieve the effect of stable fit and tight positioning.

Referring to the tenth to eleventh drawings, it is a fourth embodiment of the present invention, wherein a first set of joints (37) are respectively disposed between end faces of the head end (11) and the headstock (20). And the second set of joints (38), the first set of joints (37) are provided with at least two convex portions (371) at opposite positions of the axial end faces of the head end (11), or arcs continuously provided on the end faces a plurality of concave portions, wherein the convex portion (371) is arcuate, and the second connecting portion (38) is continuously provided with a plurality of arc-shaped concave portions (381) corresponding to the end faces of the first set of connecting portions (37). Or at least two protrusions at opposite positions, such that the recess (381) can be inserted into the card with the protrusion (371); and the head end (11) is obtained by loosening one of the coupling members (45) Relatively pivoting with the headstock (20), the effect of adjusting the left and right yaw of the seat cushion (60) to a preset angle is also achieved, and by the first and second sets of joints (37) ( 38) The plurality of embossed inserts are designed such that the head (20) can be pivoted in a segmented manner relative to the head end (11), and the seat cushion (60) can be used to make a preset angle to the left and right. The yaw adjustment makes the adjustment of the displacement movement more precise, and it is extremely innovative and convenient. Practical person.

Referring to the twelfth to thirteenth drawings, in a fifth embodiment of the present invention, the axial end surface of the first set of joints (37) may further be provided with at least two recesses (372), the recesses (372) is an arc shape. In this embodiment, a plurality of concave portions (372) are continuously provided on the end surface, and a bead body (373) is disposed in the concave portion (372), and the bead body (373) is partially convex. For the recess (372), the bead (373) and the recess (381) of the second set of joints (38) can be inserted into each other; and the head can be made by loosening one of the joints (45) (20) It can also be used as a segmented relative pivot between the head end (11) to adjust the left and right yaw of the seat cushion (60) to a preset angle, and also achieve the effect of precise adjustment. It is truly innovative and convenient.

The fourth embodiment of the present invention is shown in FIG. 71) and a second set of joints (72), the first set of joints (71) are continuously provided with a plurality of teeth (711) on the axial end surface of the head end (11), and the second set of joints (72) Corresponding to the shape of the teeth (711) of the first set of joints (71), a plurality of grooves (721) are continuously provided for mutual engagement positioning; the headstock is made by loosening one of the joint members (45) ) and the head end (11) can be relatively pivoted to adjust the left and right yaw of the seat cushion (60) to a preset angle, and cooperate with the first and second sets of joints (71) ( 72) The interdental engagement design of the teeth is such that the head base (20) can be pivoted relative to the head end (11) in a segmented manner, so that the seat cushion (60) can be left to a predetermined angle. The right yaw adjustment is made, and the adjustment displacement action is more precise, and it is excellent in innovation and convenience.

Referring to FIGS. 16 to 18, in a seventh embodiment of the present invention, a shaft hole (81) is disposed in a center of the headstock (80), and a top surface of the headstock (80) is formed with a ring slope ( 82), and the middle portion of the ring slope (82) forms a concave arc portion (83), and the bottom portion of the head seat (80) is convexly provided with a shaft column (84) having a small outer diameter, and the head end (11) and the head seat (80) is respectively provided with a first set of joints (91) and a second set of joints (92), wherein the first set of joints (91) is disposed inside the shaft end of the head end (11) a multi-angled sleeve hole (911), the second set of joints (92) is formed in a polygonal column shape corresponding to the outer circumference of the shaft column (84) corresponding to the sleeve hole (911) for the sleeve hole (911) In the present embodiment, the sleeve hole (911) has a hexagonal shape, and the shaft column (84) is relatively hexagonal column-shaped, and is also matched with the joint member ( 45) Threading the coupling seat (40) and the clamping group (50) to clamp the headstock (80) to the head end (11), and loosening one of the coupling members (45) The head base (80) and the head end (11) can be relatively pivoted to adjust the left and right yaw of the seat cushion (60) to a preset angle; The first set of joints (91) may be configured such that the shaft end of the head end (11) is provided with a column having an outer polygonal column shape, and the second set of joints (92) is located at the head block (80). The bottom part is provided with a sleeve hole having a polygonal shape inside, and the protrusion and the sleeve hole are mutually penetrated, and the effect of mutual card positioning is also achieved.

The invention is characterized in that the head end (11) of the seat tube (10) is provided with a head seat (20), and a clamping group (50) is arranged above the head seat (20), and the clamping group (50) has a The first and second clamping blocks (51) (52) of the bolster (60) are clamped to each other, and the coupling seat (40) is sleeved from the bottom of the seat tube (10). The coupling member (45) is coupled to the clamping seat (40) and the clamping group (50), and the clamping portion is forced to be fixed to the head end (11), which can loosen one of the coupling members. (45), the head base (20) is relatively pivoted on the head end (11), so as to adjust the left and right yaw of the seat cushion (60) to a preset angle, without the seat tube (10) The seat tube bundle provided between the bottom and the frame is loosened, so that the upper and lower displacement of the seat tube (10) relative to the frame during the adjustment process is not generated, and the height of the seat cushion (60) is affected. It does not affect the effect of fixing the seat cushion (60). The adjustment method is simple and fast, and the overall structure is excellent for innovation and convenience. In addition, the head end (11) and the head seat (20) Between the two, there is a joint portion (30) which can be positioned with each other, and has a concave and convex portion embedded card design, and can also be matched with the inclined surface. The way of sticking makes the two can be pressed against each other to achieve a stable and fixed position.

The structure of the connecting portion (30) between the head end (11) and the headstock (20) is provided with a plurality of convex portions and concave portions which can be mutually inserted between the end faces of the two ends, so that the head seat (20) ) can be pivoted relative to the head end (11), and the seat cushion (60) can be used to adjust the left and right yaw of the preset angle to make the adjustment displacement action more precise. The best in innovation and convenience.

In summary, the "seat tube assembly structure" disclosed in the present invention provides a seat tube head end structure, which is provided with a head seat (20) at the head end (11) of the seat tube (10). (20) There is a clamping group (40) which can be clamped against the seat (60) of the seat cushion (60), and the seat tube (10) is sleeved with a coupling seat (40), and the coupling member (45) is used. The coupling portion (40) and the clamping group (50) are coupled to clamp the headstock (20) to the head end (11) by loosening one of the coupling members (45), ie The head base (20) can be pivoted relative to the head end (11) to adjust the left and right yaw of the seat cushion (60) to a preset angle, and the seat tube and the frame are still fixed. It does not affect the height of the seat cushion (60). The adjustment method is simple and convenient, and the seat tube assembly structure with high practicality is obtained, which makes the whole industry practical and innovative, and its structure has not been seen before. All kinds of books or publications are used in public, and they are in line with the requirements for invention patent applications, and they are requested to express their patents as soon as possible.

It is to be understood that the above is a specific embodiment of the present invention and the technical principles applied thereto, and the functional effects produced by the concept of the present invention are still beyond the spirit of the specification and drawings. In the meantime, it should be combined with Chen Ming within the scope of the present invention.

(10). . . Seat tube

(11). . . Head end

(12). . . Stop

(20). . . Head seat

(twenty one). . . Shaft hole

(twenty two). . . Ring bevel

(twenty three). . . Concave arc

(twenty four). . . Axis column

(30). . . Group

(31). . . First set of joints

(32). . . Second set of joints

(33). . . First set of joints

(331). . . First junction

(332). . . First slope

(34). . . Second set of joints

(341). . . Second junction

(342). . . Second slope

(35). . . First set of joints

(351). . . Third junction

(352). . . Third slope

(353). . . Fourth junction

(36). . . Second set of joints

(361). . . Fifth junction

(362). . . Fourth slope

(363). . . Sixth junction

(37). . . First set of joints

(371). . . Convex

(372). . . Concave

(373). . . Bead

(38). . . Second set of joints

(381). . . Concave

(40). . . Joint seat

(41). . . Set of holes

(42). . . Pivot

(43). . . hole

(44). . . Retaining edge

(45). . . Joint piece

(50). . . Clamping group

(51). . . First clamping block

(511). . . Groove

(512). . . Vacant area

(52). . . Second clamping block

(521). . . Groove

(522). . . hole

(60). . . Seat cushion

(61). . . Strut

(71). . . First set of joints

(711). . . tooth

(72). . . Second set of joints

(721). . . Groove

(80). . . Head seat

(81). . . Shaft hole

(82). . . Ring bevel

(83). . . Concave arc

(84). . . Axis column

(91). . . First set of joints

(911). . . Set of holes

(92). . . Second set of joints

The first figure is a perspective view of a preferred embodiment of the present invention.

The second figure is a perspective exploded view of a preferred embodiment of the present invention.

Figure 3 is a cross-sectional view of a combination of a preferred embodiment of the present invention.

The fourth figure is a top view of the adjustment operation of a preferred embodiment of the present invention.

The fifth figure is a top view of the adjustment operation of a preferred embodiment of the present invention.

Fig. 6 is a partially exploded perspective view showing a second embodiment of the present invention.

Figure 7 is a partial cross-sectional view showing a second embodiment of the present invention.

Figure 8 is a partial perspective exploded view of a third embodiment of the present invention.

Figure 9 is a partial sectional view showing a third embodiment of the present invention.

Fig. 10 is a partially exploded perspective view showing a fourth embodiment of the present invention.

Figure 11 is a partial sectional view showing a fourth embodiment of the present invention.

Fig. 12 is a partially exploded perspective view showing a fifth embodiment of the present invention.

Figure 13 is a partial sectional view showing a fifth embodiment of the present invention.

Figure 14 is a partially exploded perspective view showing a sixth embodiment of the present invention.

Fig. 15 is a partial sectional view showing a sixth embodiment of the present invention.

Figure 16 is a perspective exploded view of a seventh embodiment of the present invention.

Figure 17 is a partially exploded perspective view showing a seventh embodiment of the present invention.

Figure 18 is a partial sectional view showing a seventh embodiment of the present invention.

(10). . . Seat tube

(12). . . Stop

(20). . . Head seat

(twenty four). . . Axis column

(30). . . Group

(31). . . First set of joints

(32). . . Second set of joints

(40). . . Joint seat

(44). . . Retaining edge

(45). . . Joint piece

(51). . . First clamping block

(52). . . Second clamping block

(61). . . Strut

Claims (10)

The utility model relates to a seat tube assembly structure, which is mainly provided for assembling a pad. The bottom of the seat cushion is provided with two poles extending in the front and rear directions. The seat tube assembly structure comprises: a tube, which is connected with the frame. The seat tube has a head end; the head seat is a sleeve-shaped seat body which is assembled to the top end of the head end; a set of joints is provided with a first set joint portion at the head end, the first The set of joints is configured as a convex portion or a concave portion, and the portion of the head seat that is assembled with the head end corresponds to the first set of joint portions and is provided with a second set of joint portions, and the second set of joint portions corresponds to the first portion The first connecting portion and the second connecting portion are mutually engaged with each other; and a coupling seat is provided with a set of holes in the central axial direction thereof for inserting and locating the seat tube At the head end, and under the head end; a clamping group has a first clamping block and a second clamping block, the bottom of the first clamping block is disposed at the top of the headstock, The top surface of the first clamping block has two grooves respectively open upward, and the bottom surface of the second clamping block has two grooves respectively open downward, so that the first and the first The clamping blocks are disposed oppositely, and the two poles of the seat cushion are respectively disposed in the respective grooves; at least one coupling member is coupled to the coupling seat, the first clamping block and the second clamping block. The struts are clamped between the first and second clamping blocks, and the yoke is pressed against the head to be fixed to the head end. According to the seat tube assembly structure of claim 1, wherein the bottom of the head base is provided with a shaft column having a smaller outer diameter, so that the shaft column is disposed in the head end, and a ring is formed on the top surface of the head seat. a beveled surface, and the middle portion of the beveled surface of the ring is formed into a concave arc portion, and the bottom portion of the first clamping block is convexly arranged to be an arc-shaped seat body so as to be sleeved on the concave arc portion, and the two sides of the coupling block are respectively opposite Extending a pivoting portion, and the connecting seat and the top surface of each of the pivoting portions are inclined to form a slope, so that the first and second clamping blocks are oppositely disposed, so that the two engaging members are respectively The pivoting portion, the first clamping block and the second clamping block combined with the coupling seat are disposed. The seat tube assembly structure according to claim 1, wherein the first assembly portion is provided with an arc-shaped convex portion or a concave portion on the top surface of the head end, and the second assembly portion corresponds to the second assembly portion. A set of joint shapes, and an arc-shaped recess or protrusion is formed at the bottom of the headstock. The seat tube assembly structure according to claim 1, wherein the first assembly portion is provided with a first connection surface of a preset shape on a top surface ring of the head end, and the two sides respectively face the head The end direction extending ring is provided with one of the first inclined surfaces, the bottom of the second connecting part corresponding to the first connecting surface is provided with a second connecting surface, and the two sides of the second connecting part are respectively corresponding to the first inclined surface and are respectively set There is a second inclined surface to embed the first and second sets of joints with each other. The seat tube assembly structure according to claim 1, wherein the first assembly portion is provided with a third connection surface of a preset shape on a top surface ring of the head end, and an outer side thereof faces the end end direction. The extension ring is provided with a third inclined surface, and the inner ring is concavely provided with a fourth connecting surface which is a vertical angle, and the bottom of the second connecting portion corresponds to the third connecting surface and a fifth connecting surface is provided, and the fifth connecting portion One of the joint faces is provided with a fourth inclined surface corresponding to the third inclined surface, and the other side is correspondingly provided with a sixth joint surface of the right joint shape, so that the first and second sets of joint portions are embedded with each other. card. The seat tube assembly structure according to claim 1, wherein the first assembly portion is provided with at least two convex portions in an arc shape at a position opposite to a top surface of the head end, and the second assembly portion is The bottom portion corresponds to the convex portion, and the arc-shaped plurality of concave portions are continuously provided, so that the convex portion and the concave portion between the first and second group connecting portions are mutually engaged with each other. The seat tube assembly structure according to claim 1, wherein the first assembly portion is continuously provided with an arc-shaped plurality of concave portions on the top surface of the head end, and the second assembly portion corresponds to the concave portion, and At least two convex portions are disposed at the opposite positions, so that the concave portions and the convex portions between the first and second assembled portions are in a state of being stuck to each other. The seat tube assembly structure according to claim 1, wherein the first assembly portion is provided with at least two concave portions on a top surface of the head end, and each of the concave portions is provided with a bead body, and the bead portion is Protruding from the recess, the second set of portions corresponds to the bead, and a plurality of arcuate recesses are continuously provided to position the bead and the recess. The seat tube assembly structure according to claim 1, wherein the first assembly portion is continuously provided with a plurality of teeth on a top surface of the head end, and the second assembly portion is continuous with the shape of the teeth. A plurality of grooves are provided to be engaged with each other. According to the seat tube assembly structure of claim 1, wherein the top surface of the head seat is formed with a ring slope, and a middle portion of the ring slope forms a concave arc portion, and the bottom of the first clamping block corresponds to the concave arc portion. An arc-shaped seat body is sleeved on the concave arc portion, and two pivoting portions are respectively extended on opposite sides of the joint seat, and the joint seat and the top surface of each of the pivot joint portions are corresponding to the loop slope And forming the inclined shape such that the first and second clamping blocks are oppositely disposed, the first assembly portion is disposed at the head end with a set of holes having an inner polygonal shape, or a convex shape of the outer polygonal shape The second set of joints corresponds to the shape of the first set of joints, and the bottom of the headstock is provided with a shaft column having a polygonal shape on the outer circumference of the sleeve, or is disposed opposite to the protrusion at the bottom of the header There is a set of holes in a polygonal shape to allow the first and second sets of joints to be positioned with each other.