CN2413981Y

CN2413981Y - Quick disassembling type lock accessories for bicycle

Info

Publication number: CN2413981Y
Application number: CN 00205156
Authority: CN
Inventors: 林登亮
Original assignee: ZHENGSHANG METAL INDUSTRY Co Ltd
Current assignee: ZHENGSHANG METAL INDUSTRY Co Ltd
Priority date: 2000-02-14
Filing date: 2000-02-14
Publication date: 2001-01-10
Anticipated expiration: 2010-02-14

Abstract

The utility model relates to a quick disassembly type locking and connecting component for bicycles, which provides a component of a bicycle with good positioning effect and use performance. The utility model comprises a wrench rotary handle, a pivoting and positioning structure, a lock rod, a spacing arc block, two inner baffle blocks, and a locking nut. A big head part of the wrench rotary handle is provided with an eccentric pivot hole. The bottom part of the wrench rotary handle is provided with a fan-shaped pivot hook of a through hole and an open groove, the inner side of which is provided with a positioning groove. The pivoting and positioning structure comprises a pivot block which is provided with the through hole and a threaded hole in a radial direction, a rivet, a spring and a steel ball. The circumference of the pivot block is provided with positioning concave acupoints. The spring and the steel ball are arranged in the open groove of the wrench rotary handle. The pivot block is pivoted in the pivot hook of the wrench rotary handle.

Description

Fast disassembly type bicycle lock knot parts

The utility model belongs to bicycle assembly parts, particularly a kind of fast disassembly type bicycle lock knot parts.

As shown in Figure 1, the fast disassembly type bicycle lock knot parts of commonly using comprise pulls handle 10, hinged arm 20, locking bar 50, position limitation arc block 60, two internal stops 70 and jam nut 80.Pull handle 10 and be the long arc shape of being convenient to switching, and form the round type enlarged head, be provided with eccentric pivot hole of laterally running through 11 and the pivot ditch 12 that intersects and connect with eccentric pivot hole 11 in enlarged head in leading section.Hinged arm 20 is the short cylindrical shape, and its middle section is horizontally set with internal thread hole 21.Locking bar 50 is elongated rod shape, and the one end is provided with short section external thread section 51, and its other end is provided with long section external thread section 52.Position limitation arc block 60 is established the discoid body of colloid arc piece in being, its center provides perforation 61.Internal stop 70 provides two rank rounds of perforation 71 for the center.Jam nut 80 centers provide negative thread 81.

As shown in Figure 2, during combination, system places hinged arm 20 in the eccentric pivot hole 11 of pulling handle 10 earlier, again locking bar 50 is penetrated the pivot ditch 12 of pulling handle 10 with its short section external thread section 51 ends and the internal thread hole 21 that is locked in hinged arm 20 that is spirally connected in, hinged arm 20 can be articulated with locking bar 50 and be positioned to pull on the handle 10.During use, position limitation arc block 60, two internal stops 70 and jam nut 80 are penetrated back lock knot in regular turn get final product.

As mentioned above, the structure of commonly using still has following shortcoming:

1, when being locking state when using, pulls handle 10, utilize position limitation arc block 60 to make it fixing again and can be arbitrarily not moving partially by itself eccentric inwardly urgent power to pull handle 10; But, then can't utilize position limitation arc block 60 compressings fixing, and can arbitrarily move partially when being opening when using to pull handle 10.

2, the fixedly system that pulls 20 of handle 10 and hinged arms places with hinged arm 20 in the eccentric pivot hole 11 of pulling handle 10, is located by the centre by locking bar 50 and obtains the pivot joint effect.When pulling handle 10 when using, only can select two articulate extremely as rotating angle, can't do the change of other angles.

When 3, pulling handle 10 turns, can't make angle orientation, understand because of application of force direction inequality, and arbitrarily change angle voluntarily, cause the inconvenience in the turn.

The purpose of this utility model provides a kind of good positioning effect, can not tie parts by fast disassembly type bicycle lock arbitrarily moving partially, that in-use performance is good.

The utility model comprises pulls handle, pivot positioning structure, locking bar, position limitation arc block, two internal stops, jam nut; Pull handle and be the long arc shape of being convenient to switching, and in leading section formation round type enlarged head, be provided with eccentric pivot hole of laterally running through and the fan-shaped pivot ditch that intersects and connect with eccentric pivot hole in enlarged head, pull the nearly enlarged head of handle and laterally be provided with open slot, and being provided with positioning groove in the open slot medial surface, fan-shaped pivot ditch bottom is provided with the through hole that connects with open slot; The locking bar two ends are respectively equipped with external thread section; Pivot positioning structure comprises pivot piece, rivet, spring and steel ball; The pivot piece is the central round that provides through hole, and its perisporium radially is provided with internal thread hole, and its circumferential outer surface of avoiding the internal thread hole place is all established some concave arc shapes location depression; Spring and steel ball are placed in the open slot of pulling handle, and lay respectively at positioning groove and through hole, make steel ball hold the protruding pivot ditch bottom that is exposed to, lower part at spring; The pivot piece places in the pivot ditch of pulling handle, and is articulated in by the rivet that passes through hole on it and pull the eccentric pivot of handle hole and pulls on the handle, and the location depression of its circumferential outer surface partly engages with the protruding dew of steel ball; Locking bar is spirally connected with its external thread section and is locked in the internal thread hole of pivot piece; Position limitation arc block, two internal stops and jam nut are locked in regular turn and are tied on locking bar.

Because comprising, the utility model pulls handle, pivot positioning structure, locking bar, position limitation arc block, two internal stops, jam nut; Pull the handle enlarged head and be provided with the open slot that eccentric pivot hole, bottom have fan-shaped pivot ditch of through hole and inboard tool positioning groove; The locking bar two ends are respectively equipped with external thread section; Pivot positioning structure comprises that being provided with through hole reaches radially pivot piece, rivet, spring and the steel ball of screw; Pivot piece circumference is all established some location depression; Spring and steel ball are placed in the open slot of pulling handle, and the pivot piece is hubbed in the pivot ditch of pulling handle, and the location depression of its circumference engages with the protruding dew part of steel ball; Locking bar is locked on the pivot piece.When being assembled on the bicycle, position limitation arc block, two internal stops and jam nut being passed locking bar lock knot in regular turn get final product.When pulling handle and change its angle, steel ball compression spring and break away from former location depression, when arriving the change angle position, steel ball is under the spring force effect, be sticked in and turn in the depression of the corresponding location of angle, make it to be positioned to change the position of angle, make and no matter pull handle for locking or opening, all can steel ball be held to be sticked in the depression of pivot piece location and locate by spring, stop to take place arbitrarily moving partially phenomenon, some location depression is for the steel ball engaging location that holds by spring, order is pulled handle and can is accustomed to the gesture difference and do multi-angle change location according to the user, and when pulling handle, even application of force direction inequality is pulled handle and also can arbitrarily do not changed angle voluntarily in turn, make turn more convenient, good positioning effect not only, can be arbitrarily not moving partially, and in-use performance is good, thus reach the purpose of this utility model.

Fig. 1, fast disassembly type bicycle lock knot parts decomposition texture schematic isometric for commonly using.

Fig. 2, fast disassembly type bicycle lock knot block construction schematic isometric for commonly using.

Fig. 3, be the utility model decomposition texture schematic isometric.

Fig. 4, be the utility model structural representation block diagram.

Fig. 5, be the utility model running condition scheme drawing.

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

As shown in Figure 3, the utility model comprises and pulls handle 30, pivot positioning structure 4, locking bar 50, position limitation arc block 60, two internal stops 70 and jam nut 80.Pull handle 30 and be the long arc shape of being convenient to switching, and in leading section formation round type enlarged head, be provided with eccentric pivot hole of laterally running through 33 and the fan-shaped pivot ditch 34 that intersects and connect with eccentric pivot hole 33 in enlarged head, nearly enlarged head laterally is provided with open slot 31, and being provided with positioning groove 32 in open slot 31 medial surfaces, fan-shaped pivot ditch 34 bottoms are provided with the through hole 35 that connects with open slot 31.Pivot positioning structure 4 comprises pivot piece 40, rivet 44, spring 36 and steel ball 37.Pivot piece 40 is the central round that provides through hole 41, and its perisporium radially is provided with internal thread hole 42, and its circumferential outer surface of avoiding internal thread hole 42 places is all established some concave arc shapes location depression 43.Locking bar 50 is elongated rod shape, and the one end is provided with short section external thread section 51, and its other end is provided with long section external thread section 52.Position limitation arc block 60 is established the discoid body of colloid arc piece in being, its center provides perforation 61.Internal stop 70 provides two rank rounds of perforation 71 for the center.Jam nut 80 centers provide negative thread 81.

During combination, as shown in Figure 4, spring 36 and the steel ball 37 with pivot positioning structure 4 is placed in the open slot 31 of pulling handle 30 earlier, and lays respectively at positioning groove 32 and through hole 35 places, makes steel ball 37 hold protruding pivot ditch 34 bottoms that are exposed to, lower part at spring 36; Pivot piece 40 is placed in the pivot ditch 34 of pulling handle 30, and be articulated in by the rivet 44 that passes through hole 41 on it and pull handle 30 eccentric pivot holes 33 and pull on the handle 30, a location depression 43 of some location depression 43 of its circumferential outer surface partly engages with steel ball 37 protruding dew; Again locking bar 50 is spirally connected in the internal thread hole 42 that is locked in pivot piece 40 with its short section external thread section 51 ends.When being assembled on the bicycle, position limitation arc block 60, two internal stops 70 and jam nut 80 being passed locking bar 50 lock knots in regular turn get final product.

As shown in Figure 5, when pulling handle 30 its angles of change, steel ball 37 compression springs 36 and break away from former location depression 43, when arriving the change angle position, steel ball 37 is under spring 36 elastic force effects, be sticked in and turn in the corresponding location of the angle depression 43, make it to be positioned to change the position of angle.

By said structure, the utlity model has following advantage:

1, no matter it pulls handle 30 for locking or opening, all can steel ball 37 be held by spring 36 and be sticked in location in the pivot piece 40 location depressions 43, stops to take place arbitrarily moving partially phenomenon.

2, the circumferential outer surface of avoiding place, negative thread 42 holes on the pivot piece 40 is all established some concave arc shapes and is located depression 43, and steel ball 37 engagings that all can supply to hold by spring 36 are located, and order is pulled handle 30 and can is accustomed to the gesture difference and do multi-angle change location according to the user.

3, when pulling handle 30,,, make turn more convenient even application of force direction inequality is pulled handle 30 and also can arbitrarily do not changed angle voluntarily by pivot positioning structure 4 in turn.

Claims

1, a kind of fast disassembly type bicycle lock knot parts, it comprise pull handle, with pull pivot positioning structure that handle articulates, with pivot positioning structure bonded assembly locking bar and be arranged at position limitation arc block, two internal stops, jam nut on the locking bar; Pull handle and be the long arc shape of being convenient to switching, and form the round type enlarged head, be provided with eccentric pivot hole of laterally running through and the fan-shaped pivot ditch that intersects and connect with eccentric pivot hole in enlarged head in leading section; The locking bar two ends are respectively equipped with external thread section; It is characterized in that the described nearly enlarged head of handle of pulling laterally is provided with open slot, and be provided with positioning groove that fan-shaped pivot ditch bottom is provided with the through hole that connects with open slot in the open slot medial surface; Pivot positioning structure comprises pivot piece, rivet, spring and steel ball; The pivot piece is the central round that provides through hole, and its perisporium radially is provided with internal thread hole, and its circumferential outer surface of avoiding the internal thread hole place is all established some concave arc shapes location depression; Spring and steel ball are placed in the open slot of pulling handle, and lay respectively at positioning groove and through hole, make steel ball hold the protruding pivot ditch bottom that is exposed to, lower part at spring; The pivot piece places in the pivot ditch of pulling handle, and is articulated in by the rivet that passes through hole on it and pull the eccentric pivot of handle hole and pulls on the handle, and the location depression of its circumferential outer surface partly engages with the protruding dew of steel ball.