CN201703470U

CN201703470U - Locking structure for seat cushion of bicycle

Info

Publication number: CN201703470U
Application number: CN2010201004257U
Authority: CN
Inventors: 廖学湖
Original assignee: HL Corp Shenzhen Co Ltd
Current assignee: HL Corp Shenzhen Co Ltd
Priority date: 2010-01-21
Filing date: 2010-01-21
Publication date: 2011-01-12
Anticipated expiration: 2020-01-21

Abstract

The utility model relates to a locking structure for a seat cushion of a bicycle. A shaft seat is arranged at the top end of a seat tube of the bicycle; two groups of clamping pieces are respectively mounted at the two ends of a shaft hole of the shaft seat; a locking shaft is locked among the shaft seat and the two groups of clamping pieces in a penetrating manner; each group of clamping pieces are used for clamping and fixing a seat arch of the seat cushion; a spring arranged between two clamping bodies is used for producing an acting force for pushing away the two clamping bodies in a normal state; when the locking shaft is loose, clamping bodies positioned on the inner side of each group of clamping pieces still keep interference with the shaft seat, so as to effectively prevent the clamping pieces form randomly loosing and rotating; meanwhile, the clamping bodies on the inner side still keep an axial space with clamping bodies on the outer side, so that the seat cushion can be directly mounted in the clamping bodies to achieve the purpose of easy assembly of the seat cushion and angle regulation.

Description

The locking mechanism of bicycle saddle cushion

Technical field

The utility model relates to a kind of locking mechanism of bicycle saddle cushion.

Background technology

Existing bicycle lock locking structure, it mainly is respectively equipped with one group of folder in the seat pipe both sides, top of bicycle, and is provided with a bolt and wears and lock between this pipe and the two groups of folders; Each is organized folder and is pasted mutually to constituting by two clamps, establishes the seat bow location of long groove abutment pad in addition on the binding face of two clamps respectively; Under the locking of this bolt, fix the angle of two groups of folders and seat pipe, respectively seat is bent clipping with seasonal two groups of folders and fix, to reach the present pipe of seat cushion locking apical end.

Yet, these commonly use the central bolt of lock solid structure after unclamping, remove the locking effect between two groups of folders and the seat pipe simultaneously, and two groups of clamping actions that folder bends seat, can allow even and lose any interference effect between two groups of folders and the seat pipe and between the clamp of two groups of folders, the effect that not only locks is more unreliable, and especially when adjusting the seat cushion angle, constantly the lamellar body that gets loose arbitrarily, rotates more can cause operational inconvenience.

The utility model content

Technical problem to be solved in the utility model is: a kind of locking mechanism of bicycle saddle cushion is provided, can prevents effectively that folder from getting loose arbitrarily, rotating, also reach the purpose that seat cushion assembled and adjusted angle easily simultaneously.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of locking mechanism of bicycle saddle cushion, and it mainly comprises an axle bed, two groups of folders and a locking shaft; Described axle bed is located at the seat of bicycle and is managed the top, and it has been horizontally set with an axis hole; Described two groups of folders, be installed in the axis hole two ends of this axle bed respectively, each organize folder by two clamps in order to the seat bow clipping of seat cushion is fixed, each is organized folder and be provided with a spring between its two clamp, in order under the normality two clamps are produced application forces of pushing open mutually; Described locking shaft, this locking shaft is made of an axostylus axostyle and a bolt bolt, and wears and lock between this axle bed and this two groups of folders.

Described axle bed one is located at the seat pipe top of bicycle.

The two ends of described axis hole have tapering; Each is organized folder and is positioned at inboard clamp relatively and has the tapering that matches with the axis hole two ends of this axle bed.

Be respectively equipped with some interconnected clamping pieces on the binding face of described two clamps respectively organizing folder in order to the seat bow clipping of seat cushion is fixed.

Described two clamps respectively organizing folder are respectively equipped with a perforation.

One end of described axostylus axostyle be an ailhead shape in addition end be provided with a screw, penetrate the perforation of the axis hole and the clamp of axle bed by this axostylus axostyle, lock the screw of axostylus axostyle again by bolt, this locking shaft is worn is locked between this axle bed and this two groups of folders.

Relative clamp one side of described axle bed is provided with a recessed portion of revolving, and this recessed portion of revolving can be for this spring contact location

The described clamp of respectively organizing folder is respectively equipped with a flange; Axle bed opposing flanges place is provided with groove, so that this flange and groove are able to mutual engaging, so that this axle bed is produced position-limiting action.

The contact surface of described axle bed and each group folder is a smooth surface.

The beneficial effects of the utility model are: when 1, adjusting the seat cushion angle, each is organized folder and is positioned at inboard clamp and still can keeps one to interfere position-limiting action with axle bed, prevents that effectively folder from getting loose arbitrarily, rotating; 2, constitute the structure of locking shaft by an axostylus axostyle and a bolt bolt, but the shearing of dispersing action on locking shaft during use reduces because of stressed producing the danger of rupturing and reducing the danger that seat cushion gets loose, to keep travel safety; 3, the contact surface of axle bed and each group folder is that smooth surface there is no and is provided with dentalation, and moulding is comparatively simple and easy to assembly; The effect that single flange and elongated groove engage mutually is so that this axle bed and each group folder are produced position-limiting action.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Description of drawings

Fig. 1 is stereoscopic figure of the present utility model.

Fig. 2 is STRUCTURE DECOMPOSITION figure of the present utility model.

Fig. 3 is a structure sectional plain-view drawing of the present utility model.

Fig. 4 is a diagram of work of the present utility model.

The specific embodiment

As shown in Figure 1 to Figure 3, the locking mechanism of the utility model bicycle saddle cushion mainly includes: include: an axle bed 10, two groups of folders 20, and a locking shaft 30; Wherein: this axle bed 10 can one be located at seat pipe 40 tops of bicycle, its axle bed 10 relative clamp 21 1 sides are provided with a recessed portion 214 of revolving, this is recessed to revolve that portion 214 can be in contact with one another with spring 22 and can prevent to get loose arbitrarily for its location, it has been horizontally set with an axis hole 11, the two ends of this axis hole 11 can have tapering, to increase the effect that engages of these two groups of folders 20 and axle bed 10.These two groups of folders 20 are installed in axis hole 11 two ends of this axle bed 10 respectively, and the contact surface of this axle bed 10 and each group folder 20 is that smooth surface there is no and is provided with dentalation, each organize folder 20 by two clamps 21 in order to seat bow 51 clippings of seat cushion are fixed, each two clamp 21 organizing folder 20 is respectively equipped with a perforation 211, each two clamp 21 organizing folder 20 is respectively equipped with a flange 213, its central axis seat 10 opposing flanges 213 places are provided with groove 12, so that this flange 213 and groove 12 are able to mutual engaging, make this clamp 21 be able to produce position-limiting action with axle bed 10.Each is organized and is respectively equipped with some interconnected clamping pieces 212 on the binding face of two clamps 21 of folder 20 in order to seat bow 51 clippings of seat cushion are fixed, and each is organized folder 20 and is positioned at inboard clamp 21 relatively and has the tapering that matches with axis hole 11 two ends of this axle bed 10; And each is organized folder 20 and is provided with a spring 22 in order to normality two clamps 21 is produced an application force of pushing open mutually between its two clamps 21.

This locking shaft 30 locks between this axle bed 10 and this two groups of folders 20 to wear, this locking shaft 30 is made of an axostylus axostyle 31 and a bolt 32 bolts, one end of this axostylus axostyle 31 is other end of an ailhead shape and is provided with a screw 311, penetrate the perforation 211 of the axis hole 11 and the clamp 21 of axle bed 10 by this axostylus axostyle 31, the screw 311 of locking axostylus axostyle 31 by bolt 32 is worn this locking shaft 30 to lock between this axle bed and this two groups of folders again, and after axostylus axostyle 31 and bolt 32 are locked, can fix two groups of folders 20 and an angle of pipe 40, respectively that seat bow folder 51 systems of seat cushion are fixing with seasonal two groups of folders 20, to reach with the present pipe of seat cushion locking apical end.

When the axostylus axostyle 31 of locking shaft 30 loosens with bolt 32, each organizes folder 20 promptly makes two clamps 21 open relatively under the effect of spring 22, and under the ejection of spring 22, each is organized folder 20 and is positioned at inboard clamp 21 and still can keeps an interference effect with axle bed 10, can prevent effectively that folder 20 from getting loose arbitrarily, rotating, whole group locking mechanism is more reliable.

As shown in Figure 4, when the axostylus axostyle 31 of locking shaft 30 loosens with bolt 32, under the ejection of spring 22, each is organized the clamp 21 of folder 20 inboards and still possesses a longitudinal travel space with the clamp 21 in the outside, and the set groove 12 of this axle bed is an elongated arc groove, can supply flange 213 slippage in this groove 12, directly seat cushion 50 is pulled towards predetermined front and back position or predetermined angle, can reach the purpose of adjusting seat cushion front and back position or angle, and can limit moving of this flange 213 by this groove 12, further control this and respectively organize folder 20 and seat cushion 50 in the anglec of rotation of axle bed 10.

Each is organized to be respectively equipped with on the binding face of two clamps 21 of folder 20 and somely presents mispairing as shown in Figure 2 and put and starve clamping piece 212, when two clamps 21 are fitted mutually, promptly utilize interlaced clamping piece 212 that the seat bow clipping of seat cushion is fixed, but not utilize fixedly the groove of radian that the seat bow of seat cushion is located, so more be not subjected to the restriction of seat bow profile, size, make whole group locking mechanism have more applicability relatively.

Claims

1. the locking mechanism of a bicycle saddle cushion is characterized in that: it mainly comprises an axle bed, two groups of folders and a locking shaft; Described axle bed is located at the seat of bicycle and is managed the top, and it has been horizontally set with an axis hole; Described two groups of folders, be installed in the axis hole two ends of this axle bed respectively, each organize folder by two clamps in order to the seat bow clipping of seat cushion is fixed, each is organized folder and be provided with a spring between its two clamp, in order under the normality two clamps are produced application forces of pushing open mutually; Described locking shaft, this locking shaft is made of an axostylus axostyle and a bolt bolt, and wears and lock between this axle bed and this two groups of folders.

2. the locking mechanism of bicycle saddle cushion as claimed in claim 1 is characterized in that: described axle bed one is located at the seat pipe top of bicycle.

3. the locking mechanism of bicycle saddle cushion as claimed in claim 1 is characterized in that: the two ends of described axis hole have tapering; Each is organized folder and is positioned at inboard clamp relatively and has the tapering that matches with the axis hole two ends of this axle bed.

4. as the locking mechanism of claim 1 or 3 described bicycle saddle cushions, it is characterized in that: be respectively equipped with some interconnected clamping pieces on the binding face of described two clamps respectively organizing folder in order to the seat bow clipping of seat cushion is fixed.

5. the locking mechanism of bicycle saddle cushion as claimed in claim 1 is characterized in that: described two clamps respectively organizing folder are respectively equipped with a perforation.

6. as the locking mechanism of claim 1 or 3 described bicycle saddle cushions, it is characterized in that: an end of described axostylus axostyle is an ailhead shape other end and is provided with a screw, penetrate the perforation of the axis hole and the clamp of axle bed by this axostylus axostyle, lock the screw of axostylus axostyle again by bolt, this locking shaft is worn locked between this axle bed and this two groups of folders.

7. as the locking mechanism of claim 1 or 3 described bicycle saddle cushions, it is characterized in that: relative clamp one side of described axle bed is provided with a recessed portion of revolving, and this recessed portion of revolving can be for this spring contact location

8. as the locking mechanism of claim 1 or 3 described bicycle saddle cushions, it is characterized in that: the described clamp of respectively organizing folder is respectively equipped with a flange; Axle bed opposing flanges place is provided with groove, so that this flange and groove are able to mutual engaging, so that this axle bed is produced position-limiting action.

9. as the locking mechanism of claim 1 or 3 described bicycle saddle cushions, it is characterized in that: the contact surface of described axle bed and each group folder is a smooth surface.