JPH07251771A - Saddle support device - Google Patents

Abstract

PURPOSE:To enable reducing of the weight of a saddle support device designed so that a saddle main body is secured to a seat post by holding a pair of cushion bars provided in the saddle main body. CONSTITUTION:A saddle support device comprises a support rod 1 which is passed through the upper part of a seat post 5 and provided in such a way as to be perpendicular to and facing cushion bars 6, 6 from below; a screw bracket 2 passed through the seat post 5 in such a way as to be parallel to the cushion bars 6, 6; and a pair of braces 3, 3 provided in such a way as to face the cushion bars 6, 6 from above and to be suspended between the cushion bars 6, 6. A clamping bolt 7 is interposed between each end of the screw bracket 2 and the center of each brace 3, and each brace 3 is pressed downward by the clamping force of the clamping bolt 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a saddle supporting device, and more particularly to a saddle supporting device of a type in which the saddle body is mounted and fixed to a seat post by holding a pair of cushion bars provided on the saddle body. Is.

[0002]

2. Description of the Related Art As a saddle supporting device, there is one as shown in FIG. This is a straight pipe-shaped seat post (5) with a support part (83) protruding horizontally from the upper end and a pair of cushion bars (6) (6) for supporting the saddle body (S). ), And a holding metal fitting that is mounted and fixed to the support portion (83).

A through hole (830) for passing a tightening bolt (7) for fixing the holding metal fitting is vertically provided in the support portion (83). The holding metal member is composed of a lower plate (82) and an upper plate (81) which is laid on the lower plate (82).
Each of the (81) and the lower plate (82) has the above-mentioned cushion bar.
(6) Two sets of guide grooves for fitting (6) (810) (810) (820)
(820) is formed. Further, the lower plate (82) is formed with a through hole (821) penetrating vertically, and the through hole (82)
A screw hole (811) is formed in the upper plate (81) side portion corresponding to (1), and a through hole (8) formed in the support portion (83) at the upper end of the seat post (5) described above. 830) so that the tightening bolt (7) inserted from below can be screwed into the corresponding screw hole (811) of the upper plate (81) through the through hole (821) of the lower plate (82). Has become.

In this conventional type, the upper plate (81) and the lower plate (82)
Two sets of guide grooves (810) (810) formed on corresponding parts of
The cushion bars (6) and (6) of the saddle body (S) are sandwiched between (820) and (820), and these are positioned on the support portion (83) at the upper end of the seat post (5). And the support part (83) and the lower plate
Insert the tightening bolt (7) through the through hole (830) (821) of the (82)
When screwed into the screw hole (811) of (81) and tightened, the cushion bar (6) (6) is held by the upper plate (81) and the lower plate (82), which allows the saddle body (S) is fixed to the seat post (5).

However, this has a problem that it is difficult to reduce the weight of the saddle support device because it becomes large in size. The above-mentioned conventional one adopts a structure in which the holding metal fitting is tightened by the tightening bolts (7) located on the side of the seat post (5), and therefore the support portion (83) extending horizontally from the seat post (5) is used. ) Is not only required to be projected, but also the supporting portion (83) must be made large to some extent so that the holding metal fitting can be placed. Also, tightening bolts
When (7) is close to the seat post (5), this hinders the tightening of the tightening bolt (7). To eliminate this inconvenience, tighten the tightening bolt (7) on the seat post.
Must be located away from (5), above support (83)
Will be even larger. Therefore, the saddle support device cannot be made compact.

The present invention is such a "saddle body (S)"
In the saddle support device provided between the pair of cushion bars (6) (6) for supporting the seat and the seat post (5), it is an object to make it possible to reduce the weight of the saddle support device. To do.

[0007]

[Technical Means] The technical means of the present invention taken in order to solve the above-mentioned problem is that "a penetrating the upper part of the seat post (5) and providing it in a direction perpendicular to the cushion bars (6) (6)". The support bar (1) that contacts the cushion bar (6) (6) from below and the screw that penetrates the seat post (5) so that it is parallel to the cushion bar (6) (6). Bracket (2)
And a pair of holding metal fittings (3) and (3) provided in a state of being installed between the cushion bars (6) and (6) by facing the cushion bars (6) and (6) from above, Screw bracket (2)
The tightening bolt (7) is interposed between both ends of the clamp and the center of each retainer (3), and each clamp (3) is pushed down by the tightening force of this clamp bolt (7).
That is.

[0008]

The above technical means of the present invention operates as follows. To assemble the saddle body (S) to the seat post (5), place the cushion bars (6) and (6) on the support rod (1) that penetrates the top of the seat post (5). And the support rod
(1) and the cushion bars (6) and (6) are set in an orthogonal state. In this state, the screw receiving metal fitting (2) penetrating the seat post (5) is parallel to the cushion bars (6) and (6). Next, a pair of holding metal fittings (3) and (3) are provided so as to be erected between the cushion bars (6) and (6) by contacting the cushion bars (6) and (6) from above. In this state, tighten the tightening bolts (7) between the both ends of the screw receiving fitting (2) and the center of each holding fitting (3) to tighten the support rod.
Cushion bar supported from below by (1) (6) (6)
On the other hand, the holding metal fittings (3) and (3) are pressed from above at positions distant from the supporting rod (1) in the front-rear direction.

In this state, the saddle body (S) is supported by the support rod (1) penetrating the seat post (5), and the support rod (1) and the cushion are pressed by the pushing down force of the holding metal fittings (3) (3). Due to the frictional force between the bar (6) (6) and the frictional force between the holding metal fittings (3) (3) and the cushion bar (6) (6), this cushion bar
(6) The position of (6) in the front-rear direction with respect to the support rod (1) is fixed. In addition, the positions of the holding metal fittings (3) and (3), which are arranged apart from the support rod (1) in the front and rear, are fixed in relation to the screw receiving metal fittings (2). Friction force or engagement force with the cushion bar (6) (6), and further with the support bar (1) and the cushion bar
(6) Cushion bar by friction force or engagement force with (6)
(6) The posture of (6) in the rotational direction with respect to the seat post (5) is fixed.

In this way, the cushion bar (6) (6)
The three-dimensional posture of the saddle body (S) including the seat post (5) is fixed. To adjust the front and rear positions of the saddle body (S), the support positions of the cushion bars (6) and (6) by the support rods (1) should be adjusted to the front and rear. Tightening bolt corresponding to 3)
(7) Adjust the tightening degree of (7) to adjust the saddle body.
Posture adjustment such as adjusting (S) from a horizontal posture to a forward leaning posture is also possible.

[0011]

[Effect] The present invention having the above-mentioned structure has the following unique effects. Even if a support portion, which is a component of a saddle support device that horizontally protrudes from the upper end of the seat post (5), is not provided, this support device allows the seat post (5) to be installed.
Since the saddle body (S) can be assembled to
The saddle support device can be made compact, which allows
The weight of the saddle supporting device can be reduced.

Further, the tilting posture of the saddle can be easily adjusted by adjusting the tightening balance of the tightening bolts (7) (7).

[0013]

Embodiments of the present invention will be described below with reference to FIGS. The saddle body (S) is equipped with a pair of cushion bars (6) (6) as in the conventional one, and the supporting rod (1) which is a component of the saddle support device that holds the cushion bars (6) (6).
And the screw receiving metal fitting (2) are formed by a solid round bar, and a pair of pressing metal fittings (3) (3) and tightening for pressing the above-mentioned cushion bar (6) (6) to the support rod (1). Bolt (7) (7)
Is provided. As shown in FIG. 2, the seat post (5) has a circular second through hole (56) for allowing the screw receiving fitting (2) to pass therethrough, as shown in FIG. In the vicinity of the lower part of the second through hole (56), the second through hole (5
A circular first through hole (55) for penetrating the support rod (1) is formed in a direction orthogonal to 6). The second through hole (56) is provided in an inclined posture so that its center line makes a slight angle (θ) with the horizontal line.

As shown in FIGS. 3 and 8, the length of the support rod (1) is slightly longer than the spacing between the cushion bars (6) and (6) provided on the saddle body (S). It is set. And, on the upper surface of the center of the support rod (1),
A groove (12) for positioning the (2) is provided, and a groove (11) for fitting the cushion bar (6) (6) on the upper surface near both ends of the support rod (1). (11) is provided.

As shown in FIGS. 4 and 7, the length of the screw receiving fitting (2) is set to be about twice the diameter of the seat post (5), and tightening to be described later is performed near both ends. Recesses (21) (21) for fitting the tip of the bolt (7) are provided. As shown in FIG. 5, the holding metal fittings (3) (3) are provided with arms (32) (32) diagonally upward from both ends of the horizontal piece (31).
Is formed in a substantially "V" shape. And
Grooves (33) and (33) that can engage with the cushion bars (6) and (6) are provided on the lower surface of the arms (32) and (32) near the tips. A screw hole (34) adapted to the tightening bolt (7) is provided at the center of the horizontal piece (31).

As the tightening bolt (7), as shown in FIG. 6, a hexagon socket head cap screw having a hexagon socket (71) as a tool engaging portion is formed on the end face, and the screw portion thereof is , Saddle body (S) and support rod (1) as shown in Fig. 8 ・ Screw receiving bracket
(2) ・ From the inlet end of the screw hole (34) of the holding metal fitting (3) to the bottom wall of the recessed portion (21) (21) of the screw receiving metal fitting (2) with the holding metal fitting (3) assembled It is set slightly longer than the distance. In addition, the outer diameter of this screw part is the same as the concave part (21) (2
It is set slightly smaller than the diameter of 1).

Next, the actual operation of assembling the saddle body (S) to the seat post (5) using the above-mentioned parts will be described with reference to FIGS. 7 and 8. First of all,
With the groove portion (11) and the concave groove (12) of (1) facing upward, the support rod (1) is passed through the first through hole (55) of the seat post (5), and the screw receiving metal fitting (2 ) With the recessed portions (21) (21) of the () facing downward, the screw receiving metal fitting (2) is passed through the second through hole (56) of the seat post (5), and the screw receiving metal fitting ( 2) and the support rod (1) are intersected at the center. At this time, the support rod (1)
Since the recessed groove (12) is provided in the center part of the, the screw receiving metal fitting (2) is fitted into the recessed groove (12), and the support rod (1) with respect to the seat post (5). It will be centered and will not come off.

Next, the cushion bar of the saddle body (S)
(6) Insert the (6) into the groove (11) (11) of the support rod (1), and further insert the groove (33) (33) of the holding metal fittings (3) (3) into the cushion bar (6) (6). )
Fit from above, and press down the screw holes (3
4) The tips of the tightening bolts (7) screwed through the (34) are fitted into the recesses (21) (21) of the screw receiving fitting (2) to be temporarily fixed. In this state, tighten the hexagonal hole (7
Engage a hexagon wrench with 1) and tighten each tightening bolt (7) with a specified tightening force, and the cushion bars (6) (6) will
It is supported from below by a support rod (1),
Before and after step (1), the saddle body (S) is fixed because it is pressed downward by the pressing metal fittings (3) and (3). Then, finally, the nuts (9) and (9) are fastened to the tightening bolts (7) and (7), and the tightening bolts (7) and (7) are fixed in a loosening prevention state.

In this state, the cushion bars (6) (6) are
Groove of support rod (1) accompanying tightening bolt (7) (7)
(11) Frictional force with (11) and groove (33) (33) of the retainer (3) (3)
The position in the front-back direction is fixed by the frictional force between and.
In addition, tightening bolts (7) with the holding metal fittings (3) (3) screwed through
Since the tip of (7) fits into the recesses (21) (21) of the screw receiving fitting (2) that penetrates the seat post (5), the support rod
The holding metal fittings (3) and (3) arranged apart from the front and rear of (1) do not move to the left and right. Therefore, the cushion bar (6) (6) engages with the groove portions (33) (33) of the holding metal fittings (3) (3), and further with the groove portions (11) (11) of the support rod (1). By engaging the seat post
The posture in the rotation direction around (5) is fixed. Since the screw receiving metal fitting (2) penetrates the seat post (5), the vertical rotation of the cushion bars (6) and (6) is prevented.

Thus, this cushion bar (6)
The three-dimensional posture of the saddle body (S) equipped with (6) with respect to the seat post (5) is fixed.
The cushion bar (6) (6) is fixed in relation to the groove (11) (11) of the support rod (1) penetrating the seat post (5) and the screw receiving fitting (2). (3) Since it is fixed in the state of engaging with the groove portions (33) (33) of (3), the posture change in the circumferential direction with respect to the seat post (5) is reliably prevented.

The saddle body for the seat post (5)
To adjust the front-back position of (S), adjust the groove (1
The support position of the cushion bar (6) (6) by 1) (11) should be adjusted back and forth. To adjust the posture of the saddle body (S), adjust the tightening degree of the tightening bolts (7) (7) corresponding to the front and rear holding metal fittings (3) (3). That is, tighten the front tightening bolt (7), and tighten the rear tightening bolt (7).
When the seat rod (1) is loosened, the support rod (1) penetrates the seat post (5) so that it can rotate freely.Therefore, the saddle body (S) is tilted forward depending on the tightening balance of these tightening bolts (7) and (7). , Conversely, if the tightening amount of the rear tightening bolt (7) is larger than that of the front tightening bolt (7), the saddle body (S)
Takes a backward tilting posture.

Further, usually, the vertical pipe (B) of the frame is inclined rearward by a slight angle (θ). Therefore, the seat post (5) inserted therein also tilts in the same direction.
In order to make the seating surface of the saddle body (S) substantially horizontal in such a standard posture, in this embodiment, the center line of the second through holes (56) (56) is set to the seat post ( It is tilted at an angle (θ) from the posture perpendicular to the axis of 5). Therefore, so that the axes of the second through holes (56) (56) are horizontal,
When the cushion bars (6) and (6) are attached to the vertical pipe (B) and the fastening bolts (7) and (7) are tightened to the same degree as described above, the cushion bars (6) and (6) become horizontal.

The above embodiment can be modified as follows. ． As shown in FIG. 9, a screw receiving fitting (2) may be arranged below the support rod (1). In this case, through holes (25) and (25) for inserting the tightening bolts (7) in place of the recesses (21) and (21) are formed near both ends of the screw receiving fitting (2), and the tightening bolts (25) 7) Insert (7) through hole (2
5) Tighten to the screw holes (34) (34) of the retainer fittings (3) (3) via (25). Since the end surface of the head (75) of the tightening bolt (7) is in contact with the screw receiving fitting (2) from below, tighten the tightening bolts (7) (7) to hold down the holding fittings (3) (3). Thus, the saddle body (S) is attached to the seat post (5) as shown in the same figure as in the above embodiment.

In this case, each tightening bolt (7) passes through the through hole (25) of the screw receiving fitting (2) and the screw hole of the holding fitting (3).
Since it is screwed to (34), when the tightening bolt (7) is loosened, the clamp metal fitting (3) can be held on the screw receiving metal fitting (2) by the tightening bolt (7). Also, there is no inconvenience of losing the pressing metal fitting (3). In the embodiment shown in FIG. 8, when the tightening bolt (7) is loosened and the engagement with the recessed portion (21) of the screw receiving fitting (2) is released,
(3) can be removed, making it easy to replace the saddle body (S).

[0025]. The support rod (1) or the screw receiving fitting (2) may be formed by a hollow shaft. ． The support rod (1) may not be provided with the groove (12). In this case, when the saddle body (S) is assembled to the seat post (5), the tips of the tightening bolts (7) (7) screwed through the holding metal fittings (3) and (3) are screw receiving metal fittings. The cushion bar (6) (6) fitted into the recesses (21) (21) of (2) and engaged with the grooves (33) (33) of the holding metal fittings (3) (3) is centered. To be done.

.. The holding metal fitting (3) may not be provided with the groove portions (33) (33). In this case, in order to be able to contact the cushion bars (6) and (6), members at the both ends of the holding metal fitting (3) are provided so as to extend in a substantially horizontal direction. In addition, the holding metal fitting (3) is provided with hooks at both ends of the wire that can be engaged with the cushion bars (6) and (6), and a nut corresponding to the tightening bolt (7) is provided near the center of the hook. The configuration may be different.

.. Although the hexagonal hole (71) is formed in the tightening bolt (7) as a tool engaging portion, a hexagonal columnar head or the like may be provided as a tool engaging portion. . ． The screw fitting (2) may be formed by a shaft having a polygonal cross section.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a conventional example.

FIG. 2 is an explanatory view of a seat post (5) according to an embodiment of the present invention.

FIG. 3 is an explanatory view of the support rod (1).

[Fig. 4] Illustration of the screw receiving bracket (2)

[Figure 5] Explanatory drawing of the presser fitting (3)

FIG. 6 is an explanatory view of the tightening bolt (7).

FIG. 7 is a side view showing the mounting structure of the saddle body (S).

FIG. 8: Front view of this

FIG. 9 is an explanatory diagram of another embodiment.

[Explanation of symbols]

 (1) ・ ・ ・ Support rod (2) ・ ・ ・ Screw receiving fitting (3) ・ ・ ・ Holding fitting (5) ・ ・ ・ Seat post (6) ・ ・ ・ Cushion bar (7) ・ ・ ・ Tightening bolt ( S) ... Saddle body

Claims (5)

[Claims] 1. A saddle supporting device provided between a pair of cushion bars (6) (6) for supporting a saddle body (S) and a seat post (5), wherein an upper part of the seat post (5) is provided. A support bar (1) that penetrates through the cushion bar (6) (6) and is provided at a right angle to the cushion bar (6) (6) and contacts the cushion bar (6) (6) from below; The seat bar (5) penetrates the seat post (5) so as to be parallel to the seat post (5), and the cushion bar (6) and (6) are contacted from above with the cushion bar (6). It consists of a pair of holding metal fittings (3) and (3) installed between (6), and tightens bolts (2) between both ends of the screw receiving metal fitting (2) and the center of each holding metal fitting (3). Saddle support device which interposes 7) and pushes down each metal fitting (3) downward by the tightening force of this tightening bolt (7). 2. The support rod (1) is arranged below the screw receiving metal fitting (2), and the tightening bolt (7) is screwed through the holding metal fitting (3) so that the upper end of the screw receiving metal fitting (2) is screwed. The saddle support device according to claim 1, wherein the saddle support device is rotatably fitted into recessed portions (21) (21) opening downward at both ends. 3. Grooves (11) (11) for fitting the cushion bars (6) (6) of the saddle body (S) separately on the upper surface of the support rod (1).
The saddle support device according to claim 1 or 2, wherein the saddle support device is formed. 4. Grooves (33) (3) for fitting the cushion bars (6) (6) of the saddle body (S) separately to the lower surface of the holding metal fitting (3).
The saddle support device according to any one of claims 1 to 3, which is formed with 3). 5. A saddle support device according to any one of claims 1 to 4, wherein the support rod (1) is a round rod.