CN2838869Y

CN2838869Y - Cruciform spanner positioning structure

Info

Publication number: CN2838869Y
Application number: CN 200520064083
Authority: CN
Inventors: 廖秋淳
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-02
Filing date: 2005-09-02
Publication date: 2006-11-22
Anticipated expiration: 2015-09-02

Abstract

The utility model discloses a cruciform spanner positioning structure, which is characterized in that two rod bodies are assembled to form a cruciform cross shape, and both of the two rod bodies are jointed together by a pin-joint part, wherein a first rod body is vertically and convexly provided with a polygonal adapter at the top surface of the pin-joint part, while the pin-joint part of a second rod body is penetrated with an adapter hole with the same shape at the position opposite to the adapter; the adapter is penetrated in the adapter hole, and a clutch structure is arranged between the adapter and the adapter hole; the clutch structure is used for controlling the angle of the polygon adapter fixed in the polygon adapter hole; therefore, the two rod bodies can form an unfolded cruciform use state or a joint collection state. Particularly when the cruciform spanner is in a cruciform unfolded state, the polygon adapter can match with the clutch structure to be fixed in the polygon adapter hole surely. As a result, the torque of the force applied on the cruciform spanner can be born effectively, so the goal of preventing the occurrence of loose can be achieved.

Description

The cross like spanner location structure

Technical field

The utility model relates to a kind of cross like spanner location structure.

Background technology

General fixed cross like spanner has the puzzlement that takes up space, based on above shortcoming, movable cross like spanner so develop, and commonly use movable cross like spanner is that to utilize bipole body to be expanded to cross-shaped, be positioned at the shear surface of two articulated sections with steel ball, during the desire collection, must promote steel ball with the strength of bipole body relative shear, to discharge the steel ball positioning states, though these embodiments are to simplify, but its steel ball polarization is not good, and bearing for a long time when shearing pushing force, very easily wearing away and lose positioning action, and because of the spring body of rod located in the above, could discharge the cross positioning states so operator's palpus " making progress " spurs nut and overcomes spring strength, these release conditions will cause effort and inconvenient part.

So just there is United States Patent (USP) to come out for No. 6257103, its bipole body contiguous set is connected into cross-shaped, two body of rod ends are provided with sleeve, and two bodies of rod are all worn pivot with the articulated section for articulated part and are integral, group is provided with button on the top, articulated section, and button bottom group is provided with guide pillar, and guide pillar can penetrate the default accommodation space in articulated part top, and be that the interior elastomer pushing tow of accommodation space is spacing, make button be in the state that rises and locate at any time; Button square bar body direction up extends push rod, and the top body of rod is provided with through hole in the position of relative push rod, push rod can be stretched in the body of rod of top, and about cross position of below body of rod body of rod above relatively is provided with counterbore, this counterbore can be corresponding mutually with push rod, and group is provided with second elastomer within it, on second elastomer then butt the one card tip is arranged, when through hole was relative with counterbore, its card tip can be pushed by second elastomer and partly enter in the body of rod through hole.

In addition, No. 6692178 structure of United States Patent (USP) arranged again, its bipole body contiguous set is connected into cross-shaped, and two body of rod ends are provided with sleeve, and bipole body all wears pivot and be integral for articulated part with the articulated section, and is slidingly equipped with button on the articulated part of the top body of rod; The below body of rod is provided with clamping piece in the articulated section set of locations, and elastomer is set pushes outstanding below, the clamping piece top body of rod, and about cross position of body of rod bottom, top body of rod below relatively is provided with the blocking space, when this two body of rod is the cross position, its clamping piece top can be pushed by elastomer and enter the blocking space, forms the fixedly user mode of cross like spanner according to this; And button extends push rod, and push rod just is positioned at top, blocking space, cooperates the compacting button can discharge the structure of two body of rod cross positioning states.

Yet, make a general survey of above-mentioned two cases, it mainly reaches with the card tip or clamping piece and has the function of switching and bearing moment of torsion simultaneously concurrently, and it is quite limited that these card tips or clamping piece can bear the sectional area of moment of torsion in use, cause it can't be applicable to bigger application of force situation, and life of product is also quite limited; Moreover, it must be by the structure of push-botton operation blocking bipole body " inside " and is positioned crosswise or folds state, the structure of these blocking bipole bodies " inside ", can't effectively reduce procedure, and processing causes being difficult for of precision control in the too much hole, and the assembling inconvenience is arranged, it is minimum to make whole manufacturing cost to reduce to.

The utility model content

The purpose of this utility model is to provide a kind of cross like spanner location structure, and it can reach really and switch the location, thereby the moment of torsion that can bear is big, safe in utilization and can reduce manufacturing cost.

For achieving the above object, technical solution of the present utility model is: a kind of cross like spanner location structure, and it is provided with the bipole body contiguous set and is connected into cross-shapedly, and this two bodies of rod end is provided with pulling part, and bipole body is all involutory with the articulated section; Wherein: first body of rod the articulated section end face vertical be equipped with polygonal adapter, second body of rod articulated section then provides identical shaped switching hole in the position of described relatively adapter, and this adapter pierces in this switching hole, and be provided with between adapter and switching hole can clutch for clutch control polygon adapter be fixed in the switching hole and make bipole body respectively winding become cross-shaped or fold the clutch structure of state.

The articulated section of this bipole body has in abutting connection with involutory plane, and the articulated section end face of first body of rod vertical be equipped with tetragonal adapter, the articulated section of second body of rod has then provided tetragonal switching hole in the position of adapter relatively.

This clutch structure is at the coaxial assembly hole that is concaved with of the adapter of first body of rod, this assembly hole is sequentially provided with the compression spring and the bar of pulling from bottom to top, make the flexible switching hole that protrudes in second body of rod of this bar of pulling, and the spacing bar action compresses in the assembly hole of adapter of pulling; Described adapter bottom radially is provided with guide hole on the two sides that is parallel to each other, each limit, switching hole of second body of rod then respectively is provided with detent in corresponding position, its two guide hole is through to assembly hole, one steel ball is installed in the guide hole, and this steel ball is pulled the bar restriction and radially given prominence to adapter, and snaps in the detent, and two guide hole outer ends form than path, its bar of pulling then is provided with the pearl nest in the top position of steel ball, presses bar instantly when making the pearl nest relative with steel ball, and its steel ball is recessed in guide hole and the pearl nest.

This masthead edge of pulling is provided with miner diameter end, thereby the position at relative adapter end face forms shoulder, perforation with a locking closure passes and suppresses on shoulder for miner diameter end then, cooperates screw lock that locking closure is locked on the adapter end face, with the spacing bar action compresses in the assembly hole of adapter of pulling.

This masthead end lock of pulling is established a pressure ring, and the external diameter of this pressure ring is less than switching hole internal diameter.

This first body of rod articulated section relative adapter periphery ring-type is concaved with accommodating groove, is sheathed with the compression spring in this accommodating groove, this compression spring push second body of rod, and adapter then is provided with the upwards taper seat of convergent in the position of compressing the spring apical margin relatively; Described clutch structure is at the coaxial flexible bar of pulling that is installed with of the adapter of first body of rod, and this bar of pulling protrudes in second body of rod switching hole, and the spacing bar action compresses in adapter of pulling; Be provided with pressure ring in the masthead end lock of pulling in addition, the external diameter of this pressure ring is greater than switching hole internal diameter.

The pulling part of this first body of rod is at its two ends sleeve to be set, and second body of rod pulling part then is at the one end ripping bar that joint, the other end are provided with oblique fork to be set.

This first body of rod bottom group downwards is provided with an extension bar.

Be connected with ratchet structure between this extension bar and first body of rod.

This ratchet structure upwards is provided with a ratchet hole in the bottom, articulated section of first body of rod, this ratchet hole is pivoted with driving head, and extension bar is arranged at the bottom of driving head, and protrude in below this articulated section, this driving head radially is concaved with tank at its outer peripheral face in addition, be provided with brake block in the tank, default clip tooth is flexible is engaged in the ratchet hole with it for this brake block, but makes the extension bar and first body of rod be the pattern of an one-directional rotation.

After adopting such scheme, because the utility model cooperates clutch structure control down with polygon adapter and corresponding switching hole again, can switch the location really, but and the moment of torsion that can bear of this cross like spanner of efficient hardening, and two bodies of rod more can be made easily, effectively simplify processing procedure and significantly promote property easy to assembly, and then the lifting of essence economic benefit is arranged.

More specifically, the utility model has following technological merit:

One, its with the long-pending polygon adapter in heavy in section and switching hole in response to the moment of torsion of the application of force axially and radially, the stress that this moment of torsion be can bear is bigger than commonly using two cases, and not having the dangerous use situation that gets loose takes place, only bear the stress that both link merely as for clutch structure, so make whole service life effectively to promote.

Two, simplify processing procedure: the size of the switching hole of the utility model second body of rod and the conversion seat of first body of rod can adopt forging to machine, as for the adapter clutch structure, be provided with also quite simple, need only control the telescopic outstanding adapter of steel ball two sides gets final product, so can simplify relevant processing conditions and precision, make whole processing cost reduce greatly, meet the requirement of a large amount of automated productions fully, commonly use the requirement that high precision processing more meets economy naturally.

Description of drawings

Fig. 1 is a decomposing schematic representation of the present utility model;

Fig. 2 is the schematic appearance of the utility model cross positioning states;

Fig. 3 is the longitudinal profile schematic diagram of Fig. 2;

Fig. 4 is the horizontal section schematic diagram of Fig. 2;

Fig. 5 is the disengaging action schematic diagram of the utility model cross positioning states;

Fig. 6 is the disengaging schematic diagram of the utility model cross positioning states;

Fig. 7 is the schematic diagram of the utility model when involutory collection;

Fig. 8 is the perspective exploded view of the utility model second embodiment;

Fig. 9 is the plane decomposing schematic representation of the utility model second embodiment;

Figure 10 is the plane assembled sectional view of the utility model second embodiment.Among the figure:

10 first bodies of rod, 11 pulling parts, 12 articulated sections

13 adapters, 20 second bodies of rod, 21 pulling parts

23 switching holes, 22 articulated sections, 31 assembly holes

32 compression springs 33 bar 330 miner diameter ends of pulling

331 shoulders, 332 pearl nests, 34 locking closures

340 perforations, 341 screw locks, 35 guide holes

36 detents, 37 steel balls, 38 pressure rings

41 accommodating grooves, 42 compression springs, 43 taper seats

50 extension bars, 51 ratchet holes, 52 driving heads

53 clasps, 54 tanks, 55 brake blocks

The specific embodiment

The utility model is a kind of cross like spanner location structure, please referring to Fig. 1,2, the utility model becomes cross-shaped by

bipole body

10,20 windings, each end of

bipole body

10,20 is equipped with pulling

part

11,21, the pulling part 11 of this first body of rod 10 is the sleeve that is provided with at its two ends, the pulling part 21 of second body of rod 20 then is at the one end ripping bar that joint, the other end are provided with oblique fork to be set, this ripping bar is mainly the usefulness that breaks away from the tire lid, this

bipole body

10,20 is provided with articulated

section

12,22 in addition in the stage casing, this articulated

section

12,22 has can be for the involutory plane of adjacency;

First body of rod 10 in the articulated section 12 end faces vertical be equipped with polygonal adapter 13, preferably tetragonal multiple, then provide identical shaped switching hole 23 on the articulated section 22 of second body of rod 20 in the position of relative adapter 13, this adapter 13 can be pierced in switching hole 23, and can form as shown in Figure 2 cross user mode, perhaps involutory collecting state as shown in Figure 7;

Its

adapter

13 and 23 in hole of switching are provided with clutch structure: as Fig. 1,3,4, shown in 5 and 6, this clutch structure is mainly at the adapter 13 coaxial assembly holes 31 that are concaved with, be sequentially provided with the compression spring 32 and the bar 33 of pulling in this assembly hole 31 from bottom to top, make bar 33 tops of pulling flexiblely to give prominence to outside the switching hole 23 of second body of rod 20, and be provided with miner diameter end 330 at bar 33 apical margins of pulling, so that the position at relative adapter 13 end faces forms shoulder 331, pass for miner diameter ends 330 with the perforation 340 of a locking closure 34 then and and suppress on shoulder 331, cooperate screw lock 341 that pin cap 34 is locked on adapter 13 end faces again, so as to the spacing bar 33 of pulling of elasticity in the assembly hole 31 of adapter 13; Its adapter 13 bottoms radially are provided with guide hole 35 on the two sides that is parallel to each other, switching 23 4 limits, hole then respectively are provided with detent 36 in corresponding position, its two guide hole 35 is through to assembly hole 31, in order to positioner steel ball 37 in wherein, as shown in Figures 3 and 4, this steel ball 37 is pulled bar 33 restrictions and is radially protruded in adapter 13, with so that the adapter 13 of the switching hole 23 of second body of rod 20 and first body of rod 10 is certain cross positioning relation, be beneficial to the user and make things convenient for the application of force to come the rotating tire nut; And two guide holes, 35 outer ends form than path, thereby make steel ball 37 can not deviate from adapter 13 and be scattered everywhere; This bar 33 of pulling is provided with pearl nest 332 in the top position of steel ball 37, instantly press bar 33 when making its pearl nest 332 and steel ball 37 relative, its steel ball 37 can in contract to pearl nest 332, to discharge the relation that steel ball 37 is positioned second body of rod, 20 switching holes 23 first body of rod, 10 adapters 13, as Fig. 5 and shown in Figure 6, at this moment, the user can will draw on the adapter 13 of second body of rod 20 by first body of rod 10, discharge bar 33 pressure of pulling then, this pull bar 33 effect of spring 32 by compression and the location of rising, drive according to this on the pearl nest 332 and move, make bar 33 external diameters of pulling promote the guide hole 35 of steel ball 37 outstanding first bodies of rod 10, as shown in Figure 7, so just, can adjust this second body of rod 20 and first body of rod 10 repeats involutory position, afterwards, by suppressing the pull bar 33 and second body of rod 20 simultaneously downwards, steel ball 37 is internally contracted mutually with pearl nest 332, make second body of rod, 20 switching holes 23 and first body of rod, 10 adapters 13 involutory, the bar 33 of pulling just relaxes this moment, make steel ball 37 restricted bar 33 restrictions and radially outstanding adapter 13, with holes 23 and first body of rod, 10 adapters 13 are certain involutory positioning relation that folds so that second body of rod 20 is transferred, in order to the collection that does not take up space.If user's desire discharges the involutory positioning relation that folds of second body of rod 20 and first body of rod 10, need only as Fig. 5 and Fig. 6, suppress the bar 33 of pulling, cooperate simultaneously and will draw on second body of rod 20, can make two bodies of

rod

10,20 be readjusted to the cross start point, cooperate the action of suppressing the pull bar 33 and second body of rod 20 downwards again, can reach user mode as shown in Figure 2.

In addition, the utility model is to reach to be easy to the application of force by the pull function of bar 33 of control, and it can establish a pressure ring 38 at the bar 33 tops lock of pulling, and the external diameter of this pressure ring 38 can be less than switching hole 23 internal diameters, make it can pass in and out switching hole 23, thus indivedual collections that

bipole body

10,20 can be separated.

At last, the utility model breaks away from first body of rod, 10 adapters 13 easily in order to make these second body of rod, 20 switching holes 23, it can be concaved with accommodating groove 41 in first body of rod, 10 articulated sections, 12 relative adapter 13 periphery ring-types, then be sheathed with a compression spring 42 in this accommodating groove 41, adapter 13 then is provided with the upwards taper seat 43 of convergent in the position of compressing spring 42 apical margins relatively, make this compression spring 42 can be with second body of rod, 20 bottom pushing tows to taper seat 43 positions, thereby be beneficial to convenient reaching and rotate this second body of rod 20 fast, make it turn to the angle of desire location, if it cooperates under the situation of pressure ring 38 external diameters greater than switching hole 23 certainly, then its second body of rod 20 just can the restriction under on first body of rod 10 turned position, make second body of rod 20 can at will not deviate from first body of rod 10.

In addition, please cooperate shown in Fig. 8,9,10, it is the utility model second embodiment, this embodiment mainly in 12 bottoms, first body of rod, 10 articulated sections downwards group be provided with an

extension bar

50, and 10 of this extension bar 50 and first bodies of rod are connected with ratchet structure; This ratchet structure upwards is provided with the ratchet hole 51 of inner peripheral surface tool annular ratchet in 12 bottoms, first body of rod, 10 articulated sections, a driving head 52 is pivoted in this ratchet hole 51, this driving head 52 is hubbed in the ratchet hole 51 with clasp 53 location, and the outer peripheral face five equilibrium of driving head 52 radially is concaved with two tanks 54, then be provided with brake block 55 in the tank 54, but this brake block 55 is provided with the clip tooth of Elastic Meshing in ratchet hole 51, but make the extension bar 50 and first body of rod 10 be the pattern of an one-directional rotation, being beneficial to the utility model can come the fast assembling-disassembling bolt by extension bar 50.

The above only is preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model, promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model contains.

Claims

1, a kind of cross like spanner location structure, it is provided with the bipole body contiguous set and is connected into cross-shapedly, and this two bodies of rod end is provided with pulling part, and bipole body is all involutory with the articulated section; It is characterized in that:

First body of rod the articulated section end face vertical be equipped with polygonal adapter, second body of rod articulated section then provides identical shaped switching hole in the position of described relatively adapter, and this adapter pierces in this switching hole, and be provided with between adapter and switching hole can clutch for clutch control polygon adapter be fixed in the switching hole and make bipole body respectively winding become cross-shaped or fold the clutch structure of state.

2, cross like spanner location structure as claimed in claim 1, it is characterized in that: the articulated section of this bipole body has for the involutory plane of adjacency, and the articulated section end face of first body of rod vertical be equipped with tetragonal adapter, the articulated section of second body of rod has then provided tetragonal switching hole in the position of adapter relatively.

3, cross like spanner location structure as claimed in claim 1 or 2, it is characterized in that: this clutch structure is at the coaxial assembly hole that is concaved with of the adapter of first body of rod, this assembly hole is sequentially provided with the compression spring and the bar of pulling from bottom to top, make the flexible switching hole that protrudes in second body of rod of this bar of pulling, and the spacing bar action compresses in the assembly hole of adapter of pulling; Described adapter bottom radially is provided with guide hole on the two sides that is parallel to each other, each limit, switching hole of second body of rod then respectively is provided with detent in corresponding position, its two guide hole is through to assembly hole, one steel ball is installed in the guide hole, and this steel ball is pulled the bar restriction and radially given prominence to adapter, and snaps in the detent, and two guide hole outer ends form than path, its bar of pulling then is provided with the pearl nest in the top position of steel ball, presses bar instantly when making the pearl nest relative with steel ball, and its steel ball is recessed in guide hole and the pearl nest.

4, cross like spanner location structure as claimed in claim 3, it is characterized in that: this masthead edge of pulling is provided with miner diameter end, thereby the position at relative adapter end face forms shoulder, perforation with a locking closure passes and suppresses on shoulder for miner diameter end then, cooperate screw lock that locking closure is locked on the adapter end face, with the spacing bar action compresses in the assembly hole of adapter of pulling.

5, cross like spanner location structure as claimed in claim 3 is characterized in that: this masthead end lock of pulling is established a pressure ring, and the external diameter of this pressure ring is less than switching hole internal diameter.

6, cross like spanner location structure as claimed in claim 1 or 2, it is characterized in that: this first body of rod articulated section relative adapter periphery ring-type is concaved with accommodating groove, be sheathed with the compression spring in this accommodating groove, this compression spring push second body of rod, adapter then is provided with the upwards taper seat of convergent in the position of compressing the spring apical margin relatively; Described clutch structure is at the coaxial flexible bar of pulling that is installed with of the adapter of first body of rod, and this bar of pulling protrudes in second body of rod switching hole, and the spacing bar action compresses in adapter of pulling; Be provided with pressure ring in the masthead end lock of pulling in addition, the external diameter of this pressure ring is greater than switching hole internal diameter.

7, cross like spanner location structure as claimed in claim 1 is characterized in that: the pulling part of this first body of rod is at its two ends sleeve to be set, and second body of rod pulling part then is at the one end ripping bar that joint, the other end are provided with oblique fork to be set.

8, cross like spanner location structure as claimed in claim 1 is characterized in that: this first body of rod bottom group downwards is provided with an extension bar.

9, cross like spanner location structure as claimed in claim 8 is characterized in that: be connected with ratchet structure between this extension bar and first body of rod.

10, cross like spanner location structure as claimed in claim 9, it is characterized in that: this ratchet structure upwards is provided with a ratchet hole in the bottom, articulated section of first body of rod, this ratchet hole is pivoted with driving head, and extension bar is arranged at the bottom of driving head, and protruding in this below, articulated section, this driving head radially is concaved with tank at its outer peripheral face in addition, is provided with brake block in the tank, default clip tooth is flexible is engaged in the ratchet hole with it for this brake block, but makes the extension bar and first body of rod be the pattern of an one-directional rotation.