TWI248486B - Needle protector for sewing machine - Google Patents

Abstract

The needle guard device of a sewing machine of this invention is provided with a needle guard member 15, which is brought into contact with a needle 9 to guide the needle 9 to move along a regular vertical moving track when the needle 9 is made to cooperate with a looper 34 to form a stitch, and a needle guard swing mechanism for causing a needle guard board 13 having the needle guard member 15 to swing horizontally and vertically combinedly, to make the needle guard member 15 perform a horizontal movement along a sewing direction and a vertical movement. Thus, even if a top portion of a needle bends largely, damage of the needle, such as breaking, can be prevented, and the needle 9 and the needle guide member 15 can be maintained in contact with each other for a long time to ensure a catch of a needle thread loop by a looper 34.

Description

1248486 IX. Description of the invention: [Technical field of the invention] The present invention relates to a needle guarding device for a sewing machine, which is a needle-protecting device for a sewing machine, and is right. ^About the movement ^ It has a main machine with a slitting machine #由旋旋韩远动, and the reciprocating movement of the upper and lower reciprocating movements of the needles, the hooks and the hooks, and the bet above the needle m synchronization 'to the direction of the sewing direction orthogonal to the square movement movement reciprocating shaking, the army σ is set to shake the movement of the elliptical trace to capture the needle loop and the upper and lower jaws of the needle; Hi is a stitch, a tooth, and a needle guard, and the needle cooperates with the fishing ring. : 仃 direction advances; used to guide the movement of the needle. Contact with the needle when forming a stitch in the circle of cattle. [Prior Art] Multi-chain stitching, initial machine or overlock stitching, do not hit the machine in the lower dead point. Ten Xuan and the Department, as the cloth runs through the resistance, the needle moves, the tension of the needle thread, the eve of the night, the w & cylinder 5$ degree temple is different, there will be a shift from the slogan movement to bend and bend μ stop the shape of the bow. In addition, when the needle moves upward from the bottom dead center to the top, it is six", "#," ten lines, eve, and circle, and the direction of the sewing is performed in the direction of the father to depict the ellipse.如士,,# The shaking movement of the fishing ring of the moving movement:: The side of the needle... The movement track is set to pass the position of the back of the needle. Therefore, the person-up is "I." The part is bent to the side of the movement path of the hook-and-loop member, and the needle interferes with the hook-and-loop member. 'When there are multiple needles in the direction orthogonal to the direction in which the sewing is performed, that is, in the case of a multi-needle sewing machine, the crossing is performed. The movement of the front end of the hook and loop member of the plurality of needles to make the reciprocating rocking motion will become an elongated ellipse, 匕' even if the movement of the front end portion of the hook and loop member is 1248486 □ In the middle of the 兮 + + 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针 针When multiple loops are handed over, ± continuation, disconnection 'or in the needle and τ Both of them will collide and the needle will be broken. In order to prevent this kind of needle from paying m ^ ^ , , , and the dry edge of the needle and hook ring of the bow and the needle of the multi-needle sewing machine In the case of dryness, it is known that the Japanese is too much or the adverse activity such as the needle is broken. #1#################################### The needle guard member is fixedly supported on the movable block, and the needle is kept in contact with the needle when the needle is moved upward from the lower needle member in contact with the downward movement of the needle. It is connected to the ascending motion Si:!, and the needle guard member is circularly moved to move the needle to the normal motion track position. Also, such as the 曰本特开平4- movable needle guide device (protective needle F Jin, 5 The Tigers reported that the horizontal position was set up before the horizontal position, and the system was made under the feeding teeth... and the rotation of the cloth was moved to the cloth delivery direction (the seam was horizontally oriented! Sewing was carried out) In the opposite direction of the direction) a straight needle end is provided with a needle member v wide needle drive shaft, and the drive shaft Go to the cloth feeding side (seam: open: carry out the movement from the cloth, the side opposite to the side of the needle through the cloth) horizontally move to the 4 bending of the bending, and then send the side from the cloth, ten, will The needle is pushed back to the feeding side of the cloth, and the needle is guided to repair the normal movement position of the 1248486 to the straight state, and when the needle starts to move up, the horizontal direction of the cloth is moved horizontally away from the needle: Illustrated in the above description, in the above-mentioned conventional needle-protecting needle π , , , the former Japanese gong gong 57 57~4949 么 揭示 揭示 揭示 揭示 揭示 揭示 揭示 揭示 揭示 揭示 揭示 揭示 揭示 活动 活动 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( In addition, the sputum cloth is changed, and the needle guard member is not changed in the feeding direction, so during the period of moving to a certain height position, "攸下: Dosing up above the point &", this is maintaining the needle guard member and the needle The change of the cloth spacing is not controlled by the contact of the needle. However, the state of the deviation is indeed determined to be prominent, and the η ten members are fixed from the block to the feeding direction, so The use of partial load is easy to make the action of the block In the short-term, there are subtle changes in the implementation. For the long-term use, it is impossible to avoid the jump stitch and the quality of the seam product.丨度王之缝1 is bad, and 'in the above-mentioned conventional tank At & 24〇84 bulletin _ two, · Ling set in the latter 曰 特 特 特 — — 4 — as A% revealed before the German University The change of the cloth spacing can be determined as the case of the movable needle guard device, and the guiding action, and the needle movement member is synchronized by the linear motion of the needle generated by the needle guard member before the feeding direction In the case of the needle, and the damage of the needle and the 2 at the front end of the needle, the needle is broken and the needle is often short, so the two are effectively connected. The speed of the upper and lower heart ~ very difficult. In detail, the force, the needle loop is usually a small loop of gold under the tip of the micro 1248486, the loop is not crushed, follow the needle = must make this slightly drooping needle thread loop In the needle guard member, the needle tip of the needle is placed so that the needle is slightly sagged in the face of the needle; ^# soil 4', y, and the contact position is set at the tip of the needle below the needle hole of the 4 needle member of the t Pulling part...Bottom: 'That is, even under the needle, even if the needle and the needle guard member can be brought into contact with each other in an idling condition, as described above, the state of the approximate point and the time point cannot be completely eliminated at a high speed. ;Moving: Parts: very short contact time can not capture the needle loops::::: move, there are still hooks to the needle break, __ bad 0 = and needle dry _ children) and the rush iL: Install two t:1 questions 'The purpose is to provide - the type of seam is more T-coating, the needle is bent at the end of the needle and the needle guiding member is damaged by the needle breakage, etc. ^ 匕 avoid the needle and needle guiding member The contact time is long, and the second month of the Shaw, and the capture of the needlework yarn loop fails, and the sewing is performed in the quality of Chang. Indeed, in order to achieve the above object, the present invention has: a needle guarding device for a slit machine of a month, a needle that reciprocates up and down in conjunction with the rotation of the main shaft of the seaming machine; a square J ring member, and the needle is placed above and below the needle The reciprocating motion is synchronized, and the direction of the positive direction of the tanning is made by drawing the elliptical trajectory to capture the stitches of the needle thread to form a stitch; the feeding tooth 'synchronizes with the upper and lower reciprocating movement of the needle Feeding into the direction of 1248486; and the needle guarding member, when the contact with the needle of the silkworm & ~ fishing ring is coordinated to form a stitch and is connected with the needle # useful, it is characterized by: In order to make the needle guarding the needle shaking mechanism, the member is moved up and down along the horizontal and the upper and lower sides. The needle member is horizontally moved along the sewing direction and according to the above-mentioned arrangement, the needle and the hook member are When the movement of the needle-fixing guide needle of the slitting machine of the present invention is used to form a stitch, the needle member is used to contact the needle, and the needle member is kk Ώ, and the needle is penetrated under the cloth for a long time. Even leading to the front of the needle cloth! The strength of the tension of the force and the needle thread can be shifted by the normal movement of the bow and the slave, or by the horizontal movement of the needle guard member facing the needle under the needle. The needle guard member is also collided to make it close to the disengagement movement to avoid the needle and the bad. Moreover, the shell and the fork can be bent to the front end of the needle to bend and deform the stem by the needle member. # Ensure the needle and the needle The synthetic rocking motion of the armpit has a margin of width, even if the needle member (4) is formed at the point of contact between the two, it is not necessary to set the contact position of the needle guard member of the needle guard under the pinhole: : It will face the push-out part, and the needle below will be easy to make. “The point of contact is technically and mechanically-friendly and easy to set, and even if it is accompanied by the use of the hair, it will be a design time. Friction and other loops... Eliminate the hook-and-loop parts and can not catch the needle-threaded yarn, the good condition, the hook-and-loop part and the needle interference (collision), and the damage caused by the pinching and bending of the needle, etc., can still be used for long-term use. The stitch is formed in a stable and stable manner And get high quality sewing products.夕立', the present invention, as described in the scope of claim 7, is effective for the case of a blood-spinning knife. In the multi-needle sewing machine, the needle is orthogonal along the second, second and second rows. The direction is set with a plurality of branches, and the yoke structure of the yoke structure # 〃 杈 杈 杈 杈 并 并 。 。 。 。 。 。 。 。 。 。 。 。 = = = = = = = = = = = = = = = That is, in the multi-needle sewing, even if the movement of the front end portion of the hook-and-loop member is elliptical, the needle is set as a reference, and the back of the trajectory is the back of the needle and the hook-and-loop member. There will still be gaps between the front faces, so that the hook-and-loop parts::: cannot smoothly enter all the multiple needle loops, causing the jump stitch, the eclipse = the raw, or the collision between the needle and the fishing ring. The needle is broken. That is, the detailed oblique = species ^ shape can still ensure the long contact time between the needle and the member by the movement of the needle guard member, so that the fishing ring member crosses the plurality of needles to complete the predetermined:: the shaking motion can make the needles fit the hook When the ring member moves, the point is good to the normal motion track position to prevent the hook ring member from interfering with the needle, and the front end portion of the hook ring member can be smoothly entered into the plurality of needle thread loops, so that the hook loop member catches the needle thread yarn. The action of the circle is indeed. In the needle guarding device of the slitting machine of the present invention, the needle guarding mechanism for synthesizing the needle guard member along the water and the upper and lower sides is configured, as claimed in the scope 2, for the feeding table to be horizontal and The synthetic rocking and shaking mechanism (which can make the feeding teeth move horizontally and up and down along the sewing direction) is integrated into one body, and the needle shaking mechanism can also be as claimed in the scope of 3 It has been loaded, and it is used to make the feeding table, the child's yoke, the mouth, the water, the water, the upper and lower, and the synthetic rocking mechanism (can make the feeding wire, #+人Μ/〇缝襄) Directional horizontal movement and up and down movement) 10 1248486 Separately set, while the former, + & a,,, because the human feeding and shaking mechanism is assembled into one, it can reduce the space occupied by the two shakers, broadcast, and structure It is particularly effective as a needle guarding device for a slitting machine having a cylindrical needle bed having a small diameter. s, and 'widely invented the hijacking machine in the needle protection device', as requested in the range 4, / load & the money needle shaking mechanism is provided with the ability to adjust the needle guard member> mouth sewing direction of the direction: Mi Deru The amount of exercise of the combined amount of motion above and below is adjusted. In this case, it is easy to test the contact point and the point of the needle 盥T /, the needle-only member, and the assembly of the hook-and-loop member to the needle loop, and the point is 'in each component and mechanism. Prevents the whole, eliminates the deviation of the two points, and can prevent the above-mentioned adverse conditions from happening. The present invention is suitable for the day. OBJECTS AND EFFICIENCY DESCRIPTION OF THE PREFERRED EMBODIMENTS [Embodiment] Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig. 1 is a perspective view of a chain-stitched cylindrical seam rushing machine to which the sewing machine of the present invention is applied, and the multi-needle multi-needle sewing machine is mounted on the base station! The pillar part of the ^ 夕 ^ ^ line: the cylindrical seam rushing machine arm 3 horizontally extended, and from the upper part of the branch to the front side, there is a cylindrical tube-shaped needle bed 4 on the front side horizontally extending, the middle direction A needle plate 5 is mounted, and a 4-shaped cover 6 is formed on the cylindrical needle bed 4'. Before the sewing machine arm portion 3 is preceded, the needle bar 8 is inserted through the slitting machine arm portion 3; the needle bar 8 is supported, and the needle can be reciprocated up and down. The rod 8 is described in detail and shown in the figure. The needle 9 is fixed to the needle 9 by the needle clamp 1 (refer to Fig. 5, Fig. 5). The U table is not three pieces, but may be two or four pieces of Fig. 2, which are exploded perspective views of the feeding needle shaking mechanism disposed in the cylindrical needle bed 4, and Fig. 3 shows the assembly of the raft and the structure. The top view of the state, "" Machine Figure 2 ~ Figure... η is the front: the right side view of the cloth 1. The needle table, before and after the feeding table: two: the rear feeding table '13 for the protection, 2 The knuckle portion is provided to align the cloth with the needle 9 in the direction of the movement and to feed the cloth in the direction of the sewing (the structure is omitted, so the illustration is omitted). The front end 'through the needle mounting table 14 fixing member: 5, the back of the wide needle 9 contacts to guide the gap of the needle guard surface of the movement of the needle 9; 1 1 , ' 塾 ^ ^ 插The auxiliary plates 16, 17, 18 will be able to slide back and forth in a common manner, and can be slid freely before and after, and formed in the above two: two: the part of the TM, called the lack of 3 = T move freely. Further, a substantially elliptical rod 23 is formed at a rear portion of each of the circular long holes u ^ and 12M3a. And the Q upper and lower rods 21, and the eccentric members 22 are embedded with the needles for the upper and lower arms. The upper and lower ends of the upper and lower rods 21 are fed through the pin 24 and joined to the front end portion. The needle guard bars 23 and 9 are coupled to the other end portion of the rocking link 27 and the rear end portion of the needle 12, 1248486, and the base link 28, and the rocking link 27 and the eccentric member are advanced in the sewing machine yarn 7. 4, before and after the feed, the illustration is omitted) and connected around the rocking shaft 26. Shaking the well-known member, before the feeding of the upper and lower arms 25, the two ends: the second feeding cloth 11, 12 and the needle table 13 are separated from each other by: 25b, the front, at the stations 11, 12, 13 of the aforementioned common pad ^9 teeth maintain the connection support feed upper and lower arm table 25, and in the 2 money over the iron 3 〇 roughly circular long hole llc, 12c, 13c ... 3 set in the feed upper and lower arm 25 opposite, upper: The front end of the arm pinch is fixed to the position of the needle guard bar link by the screw 32. Tight® product long hole 1 3 c Shake:::上:::2, along with the above-mentioned 鏠(4)... a few shaking shafts 26 are rotated before and after shaking, with the front and rear rocking and feeding the upper and lower arms and two links 28 move 'constituting the feeding mechanism and the needle guarding two: 2, the upper and lower shaking system is used to make the front and rear feeding "= shaking mechanism", so that the front and rear feeding water and the upper and lower sides can be synthetically shaken. Flat movement and up and down movement, 兮Μ sewing direction before the water 13 along the front and rear horizontal and up and down::::: machine ' is used to make the needle guard table along the sewing direction before the direction ===== needle member ^ do again In the cylindrical needle bed portion, as shown in FIG. 5, a V-ring is provided: a wide portion, and the sewing machine main shaft 7 " 4 '忒 hook-and-loop member 34 is a hook-and-loop member that is linked by the known rotation Before the drive shaft 33, 13 1248486 $rocking motion can be synchronized with the upper and lower reciprocating motion of the needle 9 and the direction from the side 々 is orthogonal to the direction in which the sewing is performed: the end portion 34a can draw a slender oval shape The side of the motion track is mainly set to the rocking motion, and, by the reciprocating rocking motion of the hook and loop member 34, Catch: the thread yarns ring formed by the needle 9 to form a predetermined stitch. The protection of the machine 2: as described above, the cylindrical multi-chain stitch multi-needle stitching and the action and function of the ten clothes are explained. =10 9 When the rotation of the spindle 7 of the sewing machine is started and the movement is started, the front water moves the needle △ Η At and the synthetic composition of the upper and lower sides before the above-mentioned needle movement mechanism - the needle Μ: the synthetic movement in the front horizontal direction Therefore, the = member 15 is moved from the lower side of the sewing direction. In addition, at the beginning of the needle 9

When the dead point rises and moves, as shown in Figure 4, § reaches the bottom dead center, and then from the bottom of the product, the 濩 濩 构件 构件 1 1 1 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 接触 1 1 1 1 1 之前 之前 之前 之前 之前 之前 之前The resistance is equal and the bow is bent back, and the bend is still corrected. The position of the track is corrected. :: 10 9 is guided to the normal movement. Then, the needle 9 is moved from the bottom dead center, and the position is passed from the side of the needle 9. Entering the position below the needles 9, the position of the face, the needle loop, at this time, due to the # circle, and sequentially capture the upper and lower synthetic shakes to protect the 4:13: the needle shakes the mechanism before and after the level and After the movement, the needle member 15 in the horizontal direction of the needle 9 from /= above and rearward is held in contact with the needle 9: = height position until the length of the guard time, the contact of the two 15,9 follows and rises, For the specific holder, the needle member 15 is moved away from the needle 9 and the movement path position of the needle member 15 by the bending correction of the needle 12 of 14 1248486. Then, the position of the needle is positioned above the position. After the direction, the needle 9 and the hook member 34 are in contact with the needle 9 to form a line. At the time of the movement of the needle, the synthetic needle shakes the movement, and the 丨15 is horizontally and up and down, and the front end of the needle 彳it often = the cloth penetration resistance and the like, and the needle guard member 15 is accompanied. Needle 9: In the case of the trajectory offset, since the needle 9 is led to the rm9, the position of the trajectory of the needle 9 and the needle guard 15 can be avoided, so that the needle and the front end of the needle are widely deformed. The needle 9 15 is above the m ^ with #'* and can be moved up and down by the needle member 15 to ensure a long contact time with the needle 9, " the set width of the contact point has a margin, then Μα this even mechanical When the contact point of the honing road is from the contact point of the needle guard member 15 and the point at which the contact point and the hook member 34 enter the needle thread loop, a slight amount of dust 15 is generated and the dust is slightly below the needle 9 to avoid the needle guard structure. The jade needle thread loop and the needle thread loop have failed to enter. _ 34 π is very difficult to catch the needle loop, and can avoid the hook ring 34 and the needle 9 interfere (collision) and suffer = damage, f Deformation such as distortion of the song, such as the damage of the established stitch It is also the case that the high-quality mouth is formed by the formation of the ground. In particular, the needle-forming member i5'°° for the multi-needle sewing machine and the needle guiding action generated by the configuration will be described in detail with reference to FIG. ^ ^ 汗, that is, used to cross the direction perpendicular to the direction of sewing into the gentleman Ding and set 15 1248486 钹 number and needle 9 (in the following description..., with the right needle 9R, Φ private 0 wide,

3 needles are used to represent) and reciprocating rocking, and the left trajectory 9L ... movement trajectory... moving motion hook... 4 front end moving trajectory main slender expanding circle 'If the moving elliptical trajectory is set to the right self-piece . "4a 4± QT ^ The lunar surface' is based on the middle needle 9C, the order of the needles and the hooks are gradually widened, regardless of whether or not, if the fishing ring 2: the gap occurs hook-and-loop pieces 3 4 The front end does not smoothly enter the middle needle 9 C, and the movement moves, so that the god M # needle 9L-shaped u fishing ring in the needle loop is broken, or, in the case of the needle In view of the above situation, in the case of the collision between the two, the needle 9 is applied before the hook-and-loop member 34 is applied, and the movement of the back side, ^34a is set to the left needle. =, the front surface of the needle guard member 15 is the same as the front side. If the front end portion of the hook-and-loop member 34 is formed as a needle-back surface, then the right needle 9R and the middle: Γ:::: are set to the left ^ xdj Y sets the lunar surface of the yC and the hook-and-loop member 34 months. There is a small gap between the parts, and the hook portion μ does not enter the right needle 9R and the middle 9 S and the middle needle 9C. In the formed needle loop, the stomach jumper and the thread break. Therefore, the front face of the needle guard member 15 is parallel to the direction of the needles 9R, 9C, and 9L, but is adjacent to the hook member. The movement ellipse of the 4a is substantially parallel so that when the hook member 2 34a and the right needle 9R are intersected, as shown in Fig. 7, the needle guard member ^: surface ... contacts the back of the right needle ant, and the right needle 9r to the front of the draft of the f-type correction guide 'following' before the hook ring # 34 end and the middle, · 9C cross as shown in Figure 8, the front of the needle guard 15 ... 16 1248486 _ poetry? _中金ρ; the two sides of the launch side of the contact, the needle 9C to slightly from the right needle 9R to r

^ ^ Type correction guidance, and further, in the hook ring 34 of the 4 J left needle 9L, the end is more gently connected, the needle guard member 15 ^, the flying pole is close to the back of the left needle 9L to correct the guide Lu 15a The second end of the second hook member 34 does not interfere with all (4) 9R9:. By:, the needles are close to the back, the front end can enter the U, the thread f, and the needle loops are indeed captured without failure. Some needles a magnified perspective view, in the form of the basic application, in Figure 2:: the notch groove iia, i2a of the table u'12, there is a transmission aid: Γ, I is kept into a block 19 that can slide back and forth freely,兮 : reverse: 9: open the block 19A through the auxiliary plate 1" before referring to Figure 2);; = freely inserted into the notch groove (3) of the needle guard table 13, = moving different from the pin 3 〇 (The figure, 'and the penetration-upper (1) is not connected to the pad 19, and the upper and lower arms 25), and the eccentric portion 3 is supported by the feeding upper and lower arms 25 (refer to the figure) 2), / = the rotation of the heart around the axis of the lock is fixed, to protect the needle member 15 before and after the level and up and down

In the case of the movement of the sportsmanship I ^ , ° in this case, only the pin 30 Α arbitrarily rotate the fixed operation; ρ mouth in the assembly of the various components and mechanisms after the test run, etc. When the contact point of the needle member 15 and the contact point and the fishing ring member μ to the needle thread yarn = the point of entry 'the two points are simply adjusted without deviation, the above-mentioned problem can be reliably prevented. In the above embodiment, the tank can be fitted into the feed and shake 37 1248486 mechanism, which can reduce the space occupied by the mechanisms, and as a slit with a small-diameter cylindrical needle bed. The needle guarding device of the cutting machine is particularly effective, and the needle guarding mechanism can be separately provided from the feeding rocking mechanism. In addition, the present invention is applied to a stretch stitch sewing machine other than a multi-chain stitch sewing machine, and has the same function, work, and 'attacking and knife-breaking. This is a particularly effective needle sewing machine, but it can also be Library u, ; 夕 [Simple description of the diagram] should be used for early needle sewing machine. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a chain stitch type cylindrical sewing machine to which a sewing machine of the present invention is applied. ", 夕支针多 Figure 2, is an exploded perspective view of the cylindrical mechanism and the needle guarding mechanism of the sewing machine. Feeding Shake Fig. 3 is a view showing a combination of the above two rocking mechanisms. The top view of the broken state is shown in Fig. 4'. Fig. 5 is a front elevational view showing a partial notch from the cylindrical shape of the sewing machine. Fig. 6 is a right side view showing the main part of the needle and the state of the sewing machine. Figure 7 is an enlarged perspective view of the main part of the state in which the optimum configuration of the three thin needle members and the seven slits and the knife are used. The needle guard I is shown in Fig. 8, which is an enlarged perspective view of an essential part of the action state of the multi-armed boring member and the hook-and-loop fastener. Also hope that the needle guide 18 1248486 Figure 9, is used to illustrate the application of the above-mentioned multiple (3 shape of the needle 耩 # 夕县 y soil Μ 1 J kinds of sewing machine 愔曼 t components of the best composition and hook ring parts A magnified perspective view of the main part of the left-handed guide state. Also, the needle 5丨Fig. 10' shows an enlarged perspective view of the main part of the needle of the sewing machine of the present invention. Base 2 Supports 3 Sewing machine arm 4 Cylindrical needle bed 5 Needle plate 6 Tubular cover 7 Sewing machine spindle 8 Needle rod 9 Needle 9C Middle needle 9L Left needle 9R Right needle 10 Needle cool 11 Front feed table 1 La, 12a, 13a lack D groove part llb, 12b, 13b part 1 lc, 12c, 13c long hole 12 rear feed table

19 1248486 13 Needle table 13a Notch groove 14 Needle mounting table 15 Needle guard 15a Needle guard front face 16, 17, 18 Auxiliary plate 19 Pad 19A Block 20 Feed upper and lower eccentric 21 Feed upper and lower rod 22 Eccentric Piece 23 Needle bar 24 Pin 25 Feed upper and lower arm table 25a Rear end branching portion 25b Front end branch and part 26 Rocking shaft 27 Rocking link 28 Needle table connecting rod 29 Pin 30 Lock 30A Pin 30a Eccentric part 31 Feed up and down Arm pin

20 1248486 32 Screw 33 Hook and loop drive shaft 34 Hook and loop member 34a Hook and looper front end 40 Pad

twenty one

Claims (1)

1248486 X. Patent application scope: 1 · A needle guarding device for sewing machine, which has: a needle that reciprocates up and down in conjunction with the rotation of the main shaft of the slitting machine; the hook ring member is synchronized with the reciprocating motion of the needle, and is sewn Performing a reciprocating rocking motion in the direction orthogonal to the direction of the ellipse to capture the stitching of the yarn loop to form a stitch; ^The late cloth is synchronized with the upper and lower reciprocating motion of the σ海针, and the cloth is fed in the direction of sewing. And a needle guarding member that guides the movement of the needle when the needle and the hook-and-loop member cooperate to form a stitch, and is characterized in that: · is provided to make the needle guard member dry along the private line / The mouth water is dry and the synthetic needle shaking mechanism is made up and down to make the needle guard member sew into the squat direction for horizontal movement and up and down movement. For example, the needle-protecting device of the seam of the first item of the scope of the patent application, and the needle-shaving mechanism of the needle-protecting mechanism, is assembled and used, and the synthetic feeding and shaking mechanism of the synthetic shake can make the level and the upper and lower sides flat, Jun Suifen r 4 structure (to make the cloth teeth in the direction of sewing to do water + movement and up and down movement) into one. Water 3_ as claimed in the scope of the item! The seam needle rushing mechanism, used to set趑 从 从 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 For example, in the scope of the patent application, the needle guarding mechanism is provided with a needle structure and a needle guarding device, wherein the level and the upper and lower human needle members are combined in the direction of the sewing direction. (4) (4) 22 !248486 5· For example, in the second part of the patent application scope, the sewing needle oscillating mechanism is provided with a needle adjustment device, wherein the movement direction of the level and the upper and lower combined movement amounts is in the direction of the needle guard, and the adjustment can be provided. Needle ^^ needle device into it, the water And the synthesis of the upper and lower sides. The slit 1 is used to adjust the movement amount in the direction of the L. L. In the case of the application of the patent range, the needle device, the middle of the sewing machine. The orthogonal direction is provided with a complex branch 'and the needle guard member' has a plurality of fulcrums in front of the shimming member and is substantially parallel to the movement ellipse of the front end portion of the fishing ring member provided with the oscillating movement. XI. Next page. 23