CN202401224U - Needle selection device of flat knitting machine - Google Patents

Abstract

The utility model provides a needle selection device of a flat knitting machine. The appearing and disappearing mode of selector ascending triangles is not fixed, so that the diversity and the degree of freedom can be increased. The needle selection device (1B) arranged on a triangular system (11B) moves in relative to a triangular plate (10) through a control rod (5B), and the selector ascending triangles (2A, 2B) on both sides are switched into the direction of appearing at the first moving side in the traveling direction of a sliding rack toward the needle bed side and disappearing at the later moving side. The movement of the control rod (5B) in relative to the triangular plate (10) can be locked by a locking mechanism (6) in the way that the selector ascending triangles (2A, 2B) on both sides continuously disappear. Because the selector ascending triangles (2A, 2B) do not appear and disappear in a fixed appearing and disappearing mode, the knitting requirement for diversity can be satisfied by changing the combination of the used triangular system and the like.

Description

The needle selecting device of horizontal volume machine

Technical field

The utility model relates to driving the cam system that knitting needle carries out braid movement and carrying on the balladeur train that the needle-bar along horizontal volume machine goes and back running, the needle selecting device of the horizontal volume machine of the knitting needle of selecting to drive.

Background technology

In the past, in horizontal volume machine, on needle-bar, be set up in parallel a plurality of needle trays, and selectively drove the knitting needle that is housed in each needle tray and carry out the braided fabric braiding.Each knitting needle has hook in front, has selector at base end side.The driving of knitting needle makes balladeur train go and back running and carry out in the direction that is set up in parallel of needle tray.On balladeur train, carry to select to carry out braid movement knitting needle needle selecting device with drive the cam system that the knitting needle of being selected by needle selecting device carries out braid movement.Needle selecting device is provided with the needle selection actuator and the selector rising triangle that drives the selector that has been selected of the selector of the knitting needle that select to drive.Selector is driven with the mode of correspondingly under different state, accepting the guiding of selector rising triangle with the selection result of being undertaken by the needle selection actuator.

On the balladeur train that carries a plurality of cam systems, with regard to the walking direction, needle selection actuator and selector rising triangle are set respectively in the both sides of each cam system.Be arranged on the selector rising triangle of the both sides of each cam system, correspondingly link with the direction of travel of balladeur train and switch haunting to the needle-bar side.The pattern of haunting of selector rising triangle comes out the mode of the selector channeling conduct that becomes selection mode is driven with side in advance, and back row side is submerged and then do not guided selector (for example, with reference to patent documentation 1).

Patent documentation formerly

Patent documentation 1: japanese kokai publication hei 5-156553 communique

Utility model problem to be solved

As patent documentation 1, the switching of the selector rising triangle that correspondingly carries out with direction of travel, the combination of haunting has been fixed.For example, under the situation of carrying two cam systems, four selector risings of the total triangle that is arranged on the front and back of each cam system replaces the order of ground to go out, do not have, go out, not have from the top-cross of going ahead of the rest, and has fixed the pattern of haunting.In that a plurality of cam systems are carried in the horizontal volume machine on balladeur train, in each running stroke of balladeur train, not necessarily use whole cam systems, through changing the combination of the cam system of using, can be corresponding with the requirement of various braiding.But if the pattern of haunting of selector rising triangle has been fixed, then variation, the free degree as braiding is restricted.

The utility model content

The purpose of the utility model is to provide the pattern of haunting of selector rising triangle unfixing, can improve the needle selecting device of the horizontal volume machine of variation, the free degree.

The utility model is a kind of needle selecting device of horizontal volume machine; It is equipped on the set square of balladeur train; This horizontal volume machine is housed in the knitting needle that front has hook, has selector at base end side respectively in the needle tray that is set up in parallel on needle-bar; And make lift-launch on the set square of facing with needle-bar, drive the balladeur train that knitting needle carries out a plurality of cam systems of braid movement to go and back running in the direction that is set up in parallel of needle tray

Both sides in each cam system with regard to the direction of going dispose respectively:

The needle selection actuator, its selection should be as the selector of the knitting needle of the object of the driving of being undertaken by each cam system;

Selector rising triangle, it can haunt with respect to the needle-bar side, under the side-prominent state that goes out of needle-bar, acts on selector, with the selection mode of selector correspondingly with knitting needle to different needle selection location guides,

Between selector rising triangle, disposing the selector that makes the knitting needle that passes through becomes the State Selection device come-up triangle that can select,

It is characterized in that, comprising:

Control lever; It is arranged to can move with respect at least one cam system, has the groove triangle that haunts of the selector rising triangle of the both sides that guide this cam system respectively, on this groove triangle; Possessing two does not have part and haunts part; This haunts part with regard to the direction of travel of balladeur train, and is side-prominent with the three angle needle-bars that rise of the selector of side in advance, the mode channeling conduct that the selector rising triangle of back row side submerges from the needle-bar side; This two do not have part submerge from the needle-bar side with the selector rising triangle of both sides the mode channeling conduct

Switching mechanism, it is provided with respect to control lever, and this control lever is moved with respect to cam system, and the part of groove triangle guiding selector rising triangle is switched.

In addition, in the utility model, it is characterized in that; Said switching mechanism comprises and being installed on the said control lever; Magnet by magnetic force draws to the needle-bar side draught makes this control lever back capable side shifting to said cam system when said balladeur train is walked by this magnet to the attraction of needle-bar side

Also comprise locking mechanism, this locking mechanism can make mobile control lever not have part to guide the locking position of the selector rising triangle of said both sides at said two of said groove triangle.

In addition, in the utility model, it is characterized in that said locking mechanism comprises:

The pin that haunts, it possesses drive source, can switch the state that haunts from said set square side with respect to said control lever;

A pair of engaging pawl, it is located on the control lever, separates the compartment of terrain that clips the pin that haunts that does well with respect to control lever and disposes with the distolateral mode in opposite directions of moving about, and be that fulcrum is swung displacement with the distolateral mode of haunting to the pin side of haunting of moving about with the base end side;

Spring, it loads each engaging pawl with the distolateral mode that does well that becomes to the pin side of haunting of moving about,

The engaging pawl carries out said locking with the pin that haunts that does well moving about to engage between the end, does not carry out locking moving about not engage between the end with the pin that haunts that does not have state.

The effect of utility model

According to the utility model, because with respect at least one cam system, correspondingly by the direction of travel of control lever and balladeur train; So that the selector rising triangle of both sides becomes in the side of going ahead of the rest; The side of going in the back becomes the mode that does not have haunts, and both sides also can both switch to not to be had.Under the situation that is set up in parallel a plurality of cam systems on the balladeur train; Make the position become selector rising triangle between the cam system when cam system is not used etc.; Also can switch in the side in advance of the direction of travel of balladeur train and not have, so can improve the variation and the free degree of braiding.

In addition, according to the utility model, the attraction to the magnetic force of needle-bar side through magnet can make the back capable side shifting of control lever to cam system when balladeur train is walked, carry out the switching of haunting of selector rising triangle.Through the control lever that moves being locked, can not have part so that the mode that the selector rising triangle of both sides submerges guides by two of control lever by locking mechanism.

In addition; According to the utility model, locking mechanism can drive the pin that haunts by drive source, makes the pin that haunts that does well engage the locking of carrying out control lever with the mode that is clipped between a pair of engaging pawl of being located at control lever; Therefore, can not have locking position partly two reliably.

Description of drawings

Fig. 1 comprises triangle allocation plan and the control lever 5A of the balladeur train of needle selecting device 1A as an embodiment of the utility model, 1B, the front view of 5B.

Fig. 2 is vertical view and the front view that expression is included in the structure of switching mechanism 3A, 3B and control lever 5A among the needle selecting device 1A of Fig. 1.

Fig. 3 is vertical view, front view and the right side view of the structure of the expression needle selecting device 1A, the locking mechanism 6 among the 1B that are included in Fig. 1.

Fig. 4 is the right side cross-sectional view of the structure of expression switching mechanism 3A shown in Figure 2.

Fig. 5 is the front view of the operating state of reduced representation control lever 5A shown in Figure 1,5B.

The specific embodiment

Fig. 1 (a) is illustrated in and has carried on the balladeur train as the needle selecting device 1A of the horizontal volume machine of the utility model one embodiment, the state of 1B.Fig. 2 representes to be included in the structure of switching mechanism 3A, 3B and control lever 5A among the needle selecting device 1A of Fig. 1.Fig. 3 representes to be included in the structure related with locking mechanism 6 among the needle selecting device 1A, 1B of Fig. 1.Fig. 4 representes the structure of switching mechanism 3A.Fig. 5 representes the operating state of control lever 5A, 5B.The selector rising triangle 2A, 2B, switching mechanism 3A, 3B, retainer 4A, the 4B that are included among each needle selecting device 1A, the 1B have symmetrical structure respectively.The groove triangle 15A, the 15B that are located at each control lever 5A, 5B also have symmetrical shape respectively.About these, the side in about only explaining for substantially the same part sometimes omits the opposing party's explanation.In addition, sometimes only with the reference number general name explanation common sparing that does not have A, B.

In each figure,, omit the explanation of repetition sometimes to the part additional phase reference marks together of correspondence.In addition, also exist to have added the situation of the structure of reference marks among the figure that in the figure of the object that becomes explanation, has not had additional reference marks to mention formerly to explain.

Embodiment

The state of two needle selecting device 1A, 1B has been disposed in Fig. 1 (a) expression.Needle selecting device 1A, 1B have substantially the same structure respectively, therefore, under the situation that mentions identical structure division, carry out general name and are expressed as needle selecting device 1 respectively.Needle selecting device 1 comprises: selector rising triangle 2, switching mechanism 3 and the control lever 5 that can be supported movably by retainer 4.Two needle selecting device 1A, 1B drive respectively through control lever 5A, 5B, switch haunting of selector rising triangle 2.Switching mechanism 3 comprises locking mechanism 6.

In needle selecting device 1, also comprise needle selection actuator 7.Needle selection actuator 7 has needle selection pawl 8, the needle selection of selector is pushed with the sheet heel, if selector is sunk in needle tray then carry out as non-needle selection State Selection, if do not sink to then carry out as the needle selection State Selection.Selector rising triangle 2 has effect inclined-plane 2a, and this effect inclined-plane 2a is under the side-prominent state of needle-bar, acts on advancing with in the sheet heel, with the mode channeling conduct of moving to the needle selection position different with the selector that sinks to of the selector that in needle tray, floats.Between the selector rising triangle 2A of each needle selecting device 1A, 1B, 2B, be provided with respectively all selectors floats in needle tray and become can needle selection the State Selection device triangle 9 that floats.

Two needle selecting device 1A, 1B are configured in and are located on the lip-deep set square 10 that balladeur train and needle-bar face.On set square 10, also dispose two cam system 11A, the 11B that correspondingly drives knitting needle with the needle selection state that is undertaken by needle selecting device 1A, 1B.The configuration of cam system 11A, 11B is carried out along the direction of travel of balladeur train.Also have in the situation of carrying the cam system more than three on the balladeur train.A plurality of cam systems are not necessarily limited to have identical structure, also coil formation and barring-on are separated sometimes, and cam system exclusively is set respectively.

In each needle selecting device 1A, 1B; Along the direction of travel of balladeur train, guide part 12a, the 12a of difference selection of configuration device rising triangle 2A, 2B, switching mechanism 3A, 3B, needle selection actuator 7,7 and selector guiding triangle 12 in the both sides of each cam system 11A, 11B.Between cam system 11A, 11B, use the guide part 12a of two group selector rising triangle 2B, 2A, switching mechanism 3B, 3A, needle selection actuator 7,7 and selector guiding triangle 12 to carry out the needle selection of two-stage.

In the effect inclined-plane of selector rising triangle 2 2a, advancing of the selector that behind the two stage needle selection of phase I and second stage, only in needle tray, floats acted on the sheet heel.In the phase I by needle selection and in second stage not by the selector of needle selection, behind the phase I needle selection, receive the effect of the guide part 12a of selector guiding triangle 12, but do not receive the effect of effect inclined-plane 2a.The selector that in the phase I, is not sunk to needle tray by needle selection does not receive the effect of guide part 12a yet.Result for the effect of selector is to be reflected in the progressive position of the selection needle jack in the place ahead that is disposed at selector as knitting needle.By under the situation of needle selection, selector receives the effect of guide part 12a behind the needle selection of phase I in two stages, but as the progressive position of selecting needle jack, the effect of reflection effect inclined-plane 2a.Therefore, in the needle selection of two-stage, can with selector be divided into the state of the effect that receives effect inclined-plane 2a, only bear guide part 12a effect state and do not receive three kinds of state of the effect of guide part 12a yet.Three kinds of states are reflected in three positions as the progressive position of selecting needle jack, for example, form action about the coil as knitting needle, can make it with braiding, tuck and not weave difference corresponding.

Suppose the side of Fig. 1 (a), for example the cam system 11A in left side is used for braiding, does not use the situation of the cam system 11B on the right side that becomes opposite side.As in the past, under the fixing situation of the pattern of haunting of selector rising triangle 2A, 2B, the balladeur train during left lateral is to outside the coming off of knitting width, needs the position 13a of the selector come-up triangle 9 of needle selecting device 1B to arrive the end of knitting width.If like this; Then when ensuing right lateral; Can use needle selection actuator 7 and the needle selection that selector rising triangle 2B carries out the two-stage on right side of needle selection actuator 7 and guide part 12a, the needle selecting device 1A in the left side of needle selecting device 1B; The selection needle jack of knitting needle is divided into three progressive positions, and 11A selectively drives by cam system.

The cam system 11A that Fig. 1 (b) expression is used for weaving at triangle 2A that selector is risen, 2B by control lever 5A, 5B switch in advance side for do well, back row side is not for there be state, in obsolete cam system 11B, switching to both sides all is the structure that does not have state.At each control lever 5A, last groove triangle 15A, the 15B of forming respectively of 5B.Chimeric respectively with the last driven member of the switching mechanism 3A, the 3B that are located at needle selecting device 1A, 1B 16 in groove triangle 15A, 15B, and the selector rising triangle 2A of both sides, mode channeling conduct that 2B alternately haunts.As after state, control lever 5A, 5B are drawn to the needle-bar side draught by magnetic force with the mode to the back capable side shifting of the direction of travel of balladeur train.As shown in the figure; Under the situation of balladeur train right lateral; In being located at the needle selecting device 1A of cam system 11A, the selector rising triangle 2B that is switched to side in advance by groove triangle 15A, the 15B of control lever 5A is outstanding from set square 10, and the selector rising triangle 2A of back row side submerges to set square 10.In being located at the needle selecting device 1B of cam system 11B, by locking mechanism 6 locking control lever 5B, selector rising triangle 2A, the 2B that switches to both sides by groove triangle 15A, the 15B set square 10 that submerges.

Cam system 11B is being not used under the situation of braiding, can having the mode of state to lock the selector rising triangle 2A in the left side of the needle selecting device 1B of side in advance when becoming left lateral in advance to continue.Balladeur train during left lateral is to outside the coming off of knitting width, as long as arrive the end of knitting width at the needle selection actuator 7 on the right side of needle selecting device 1A and position 13b that the phase I needle selection among the guide part 12a finishes.Its result can differ from 14 with what the surplus that comes off reduced from position 13a 13b to the position, shortens the running stroke of balladeur train.Owing to be not that the pattern of haunting that the direction of travel of selector rising triangle 2A, 2B basis and balladeur train correspondingly is fixed is haunted, do not have but can switch to two, thus the combination through changing the cam system of using etc., can be corresponding with the requirement of various braiding.

As shown in Figure 2, in the needle selecting device 1A of Fig. 1, with respect to selector rising triangle 2, side is provided with switching mechanism 3 in the inside of set square 10.The structure with respect to the inside side on the surface of facing with needle-bar is seen in set square 10 in Fig. 2 (a) expression from the top down.The structure of the inside side of set square 10 is seen in Fig. 2 (b) expression from the front.The guiding of the driven member 16 that the switching mechanism 3 groove triangle 15 through warp and control lever 5 is chimeric is to the top of the above-below direction driving selection device rising triangle 2 of Fig. 2 (b).In Fig. 2 (b), with the haunt part guiding of driven member 16 to the end of being located at groove triangle 15, therefore, for doing well, the opposing party's selector rising triangle 2A does not have the mode of state to be driven with a side selector rising triangle 2B.

On the top of control lever 5, the end of moving about that a pair of engaging pawl 17A, 17B have been installed with mode in opposite directions in devices spaced apart ground.Engaging pawl 17A, 17B are stretched respectively by extension spring 18 with base end part to the left and right, and the mode that the end of moving about in opposite directions uprises tilts.Between engaging pawl 17A, 17B, the pin 19 that haunts that does well can insert, if the pin 19 that haunts is inserted into, then that kind of the control lever 5B shown in Fig. 1 (b) is locked.Under lock-out state, driven member 16 do not had the part guiding to two of the pars intermedia of being located at groove triangle 15.In order to guide the move left and right of control lever 5, be provided with the gathering sill 20 of linearity side by side with groove triangle 15.Cover 21 is set on retainer 4, carries out the anticreep of control lever 5.

Fig. 3 representes the structure of locking mechanism 6.Haunt pin 19 by pin retainer 22 with respect to set square 10 to the transportable state support of the direction of haunting.In this moved, the 19a of the portion that haunts of the pin 19 that haunts was for doing well, and was inserted into the moving about between the end of the engaging pawl 17A shown in Fig. 2 (b), 17B.On pin retainer 22, solenoid 23 is installed by solenoid retainer 24.Haunt pin 19 top by the compression spring 25 load downwards.The top of compression spring 25 is by the cover that is installed on pin retainer 22 26 pushings.Bottom at the pin 19 that haunts is provided with drive division 19b.The slave arm butt of drive division 19b and bar 27.Bar 27 has the swing fulcrum in the centre, about the swing fulcrum, the actuating arm of the opposition side of slave arm receives the driving that the movable core 23a by solenoid 23 carries out.If to solenoid 23 energisings, make movable core 23a outstanding, then through bar 27, the pin 19 that haunts is driven with the mode that the 19a of portion that haunts submerges.If stop energising to solenoid 23, then loading through being undertaken by compression spring 25, the 19a of the portion that haunts of the pin 19 that haunts is outstanding.The pin 19 that haunts also can directly be driven by solenoid 23 drive sources such as grade, still, owing to drive through bar 27, can under the state of locking control lever 5, make the load that puts on the control lever can not directly put on drive source.

Fig. 4 representes to be used for the structure of the driving of switching mechanism 3A.The top of selector rising triangle 2 is drive division 2b cylindraceous, and being housed at the state that above-below direction moves in the cylinder 4a that is located at retainer 4.The driven member 16 chimeric with the groove triangle of control lever 5A 15 is installed on drive division 2b.Guide part 4b in the gathering sill 20 that inserts control lever 5 also is set on retainer 4.

In addition, on control lever 5, magnet 28 is installed with the mode of under the state that is accommodated in magnet retainer 29, exposing to the foreign side of balladeur train.Magnet 28 is attracted by the steel band 31 of magnetic force on the balladeur train track 30 of the walking that is installed on guide carriage with contactless state.Balladeur train track 30 is supported in the needle-bar side.The walking of balladeur train makes the attraction to the needle-bar side that be provided with steel band 31 of control lever 5 through being undertaken by magnetic force that magnet 28 has been installed, with respect to the back capable side shifting of set square 10 to direction of travel.In switching mechanism 3, through control lever 5 with respect to the moving of set square 10, with driven member 16 along groove triangle 15 to guiding up and down, make the drive division 2b of selector rising triangle 2 moving up and down in cylinder 4a through driven member 16.

The driving of control lever 5 also can be carried drive sources such as motor on balladeur train shown in patent documentation 1, in balladeur train, carry out independently with direction of travel.As long as carry and can the shift position of control lever 5 be switched to the drive source more than three kinds, then also can save locking mechanism 6.

Fig. 5 representes the operating state of control lever 5A, 5B.Fig. 5 (a) and Fig. 5 (b) represent to haunt pin 19 respectively for not having, and balladeur train is to the situation of left lateral with to the situation of right lateral.The rear end of side in advance of control lever 5 retreats into going-back position 32.With the haunt part guiding of driven member 16 to the end of being located at groove triangle 15, selector rising triangle 2 is with respect to each cam system 11, and so that side is for doing well in advance, back row side is there be not the mode of state and the direction of travel of balladeur train correspondingly to switch.

Fig. 5 (c) expression balladeur train right lateral midway or from right lateral when left lateral reverses, make the outstanding state of the pin 19 of haunting with respect to control lever 5B.The pin 19 that haunts pushes engaging pawl 17B.

Shown in Fig. 5 (d), begin left lateral if make the direction of travel counter-rotating of balladeur train, then control lever 5A, 5B move to right-hand with respect to balladeur train.The outstanding pin 19 that haunts is clipped in the moving about between the end of engaging pawl 17A, 17B what control lever 5B moved midway chimericly, and locking control lever 5B can make driven member 16 rest on the position that does not have the part guiding to two of the centre of groove triangle 15.

Shown in Fig. 5 (e), even control lever 5B becomes side in advance when right lateral, the rear end also is locked into the state of the going-back position 32 that stands fast.Pin 19 switches to and does not have state if will haunt, and the pin 19 that then haunts breaks away from from the state that clips between the end that moves about at engaging pawl 17A, 17B, and locking is disengaged.

In addition, lock, still, also can on control lever 5, recess be set, lock through the chimeric of pin 19 of haunting that does well through the engaging that clips the pin 19 that haunts by the end of moving about that is arranged on a pair of engaging pawl 17A on the control lever 5,17B.But, for the releasing that can lock, need make the width of recess bigger in advance than the profile of the pin 19 that haunts, need be located at two of groove triangle 15 and not have part also elongated.Lock as long as clip the pin 19 that haunts between the end, be located at two of groove triangle 15 and do not have part, also can not have the position of part to lock control lever 5 reliably two even then shorten moving about of engaging pawl 17A, 17B.

In addition, carry out the drive source of the switching of locking mechanism 6, not only can use solenoid 23, and can use motor etc.In addition, carrying under the situation of the cam system 11 more than three on the balladeur train, as long as needle selecting device 1 is set in whole cam system 11, just can be further corresponding with various braiding.In addition,, but only at least one cam system 11, needle selecting device 1 is set even be not all, can be when this cam system 11 not be used yet, improve the free degree of the braiding in other the cam system 11.

Symbol description:

1,1A, 1B: needle selecting device

2,2A, 2B: selector rising triangle

2a: effect inclined-plane

3,3A, 3B: switching mechanism

5,5A, 5B: control lever

6: locking mechanism

7: the needle selection actuator

9: selector come-up triangle

10: set square

11A, 11B: cam system

12: selector guiding triangle

12a: guide part

15,15A, 15B: groove triangle

16: driven member

19: pin haunts

23: solenoid

27: bar

28: magnet

Claims (3)

1. the needle selecting device of a horizontal volume machine; It is equipped on the set square of balladeur train; This horizontal volume machine is housed in the knitting needle that front has hook, has selector at base end side respectively in the needle tray that is set up in parallel on needle-bar; And make lift-launch on the set square of facing with needle-bar, drive the balladeur train that knitting needle carries out a plurality of cam systems of braid movement to go and back running in the direction that is set up in parallel of needle tray

Both sides in each cam system with regard to the direction of going dispose respectively:

The needle selection actuator, its selection should be as the selector of the knitting needle of the object of the driving of being undertaken by each cam system;

Selector rising triangle, it can haunt with respect to the needle-bar side, under the side-prominent state that goes out of needle-bar, acts on selector, with the selection mode of selector correspondingly with knitting needle to different needle selection location guides,

Between selector rising triangle, disposing the selector that makes the knitting needle that passes through becomes the State Selection device come-up triangle that can select,

It is characterized in that, comprising:

Control lever; It is arranged to can move with respect at least one cam system, has the groove triangle that haunts of the selector rising triangle of the both sides that guide this cam system respectively, on this groove triangle; Possessing two does not have part and haunts part; This haunts part with regard to the direction of travel of balladeur train, and is side-prominent with the three angle needle-bars that rise of the selector of side in advance, the mode channeling conduct that the selector rising triangle of back row side submerges from the needle-bar side; This two do not have part submerge from the needle-bar side with the selector rising triangle of both sides the mode channeling conduct

Switching mechanism, it is provided with respect to control lever, and this control lever is moved with respect to cam system, and the part of groove triangle guiding selector rising triangle is switched.

2. the needle selecting device of horizontal volume machine as claimed in claim 1 is characterized in that,

Said switching mechanism comprises and being installed on the said control lever, the magnet that draws to the needle-bar side draught by magnetic force, and by this magnet back capable side shifting to said cam system when the attraction of needle-bar side makes this control lever in said balladeur train walking,

Also comprise locking mechanism, this locking mechanism can make mobile control lever not have part to guide the locking position of the selector rising triangle of said both sides at said two of said groove triangle.

3. the needle selecting device of horizontal volume machine as claimed in claim 2 is characterized in that,

Said locking mechanism comprises:

The pin that haunts, it possesses drive source, can switch the state that haunts from said set square side with respect to said control lever;

A pair of engaging pawl, it is located on the control lever, separates the compartment of terrain that clips the pin that haunts that does well with respect to control lever and disposes with the distolateral mode in opposite directions of moving about, and be that fulcrum is swung displacement with the distolateral mode of haunting to the pin side of haunting of moving about with the base end side;

Spring, it loads each engaging pawl with the distolateral mode that does well that becomes to the pin side of haunting of moving about,

The engaging pawl carries out said locking with the pin that haunts that does well moving about to engage between the end, does not carry out locking moving about not engage between the end with the pin that haunts that does not have state.

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