CN111826821A - Sewing machine needle correcting device with transposition function - Google Patents
Sewing machine needle correcting device with transposition function Download PDFInfo
- Publication number
- CN111826821A CN111826821A CN202010731702.2A CN202010731702A CN111826821A CN 111826821 A CN111826821 A CN 111826821A CN 202010731702 A CN202010731702 A CN 202010731702A CN 111826821 A CN111826821 A CN 111826821A
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- inner cavity
- needle
- right wall
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/02—Devices for fastening needles to needle bars
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B83/00—Guards or like devices for preventing injury to operator
Abstract
The invention relates to the technical field of sewing machines, and discloses a sewing machine needle correction device with a transposition function, which comprises a needle rod, wherein an inner cavity of the needle rod is rotatably connected with a connecting pipe, an elastic ejector rod is inserted on the right wall of the needle rod in a sliding manner, a detection column is connected on the right wall of the connecting pipe in a sliding manner, a first spring is fixedly connected between the detection column and the right wall of the connecting pipe, a metal elastic sheet is arranged on the right side of the detection column in the inner cavity of the right wall of the connecting pipe, and an extrusion column is connected below the detection column in the inner cavity of the right wall of the connecting pipe in a. This sewing machine needle orthotic devices with transposition function, through setting up the change, cooperation elasticity ejector pin is fixed the eedle, and the installation face orientation that the pole detected the eedle is set up in the deuterogamy, opening of control electro-magnet stops for rack accessible drive gear drives the rotation of transmission fluted disc, thereby makes the eedle installation more convenient, has avoided the condition emergence of the broken needle wire jumper on the way of the sewing.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a sewing machine needle correction device with a transposition function.
Background
The machine needle is also called sewing needle and sewing needle, and is an important component accessory of sewing machine, the varieties of the machine needle are only made in China and are hundreds, in the sewing process, in order to achieve the ideal matching of the machine needle with sewing material and sewing thread, a proper machine needle must be selected, the working property of the machine determines the selection of the machine needle, and machines with different properties are equipped with machine needles with different models and specifications.
At present, because the last needle holder of fixing is carried out the eedle to the sewing machine, all be the fixed right-hand member that sets up at the needle tubing, the user need face towards the sewing machine when installing the eedle, it can just rotate the needle holder to rely on right hand to exert oneself again, it is fixed with the eedle, when other orientation positions of user's body sewing machine, because the needle holder is not exerted oneself well to the hand, and then lead to the fixed very labouring of eedle, and when carrying out daily sewing operation, because the model is changed to the needs of eedle regularity, cause the planishing face and the cambered surface of eedle tip to reverse when user's operation negligence, make the cambered surface towards the right side of sewing machine, the condition of broken needle jumper wire will appear when carrying out sewing operation again, seriously influence quality of making up and make up the speed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the sewing machine needle correction device with the transposition function, which has the advantages of enabling the installation of a machine needle to be more convenient and fast, avoiding the occurrence of the condition of needle breakage and wire jumping in the sewing process and the like, and solves the problems.
(II) technical scheme
In order to realize the purposes of enabling the needle to be more conveniently installed, avoiding the occurrence of the condition of broken needle and wire jumping in the process of sewing and the like, the invention provides the following technical scheme: a sewing machine needle correction device with transposition function comprises a needle rod, wherein an inner cavity of the needle rod is rotatably connected with a connecting pipe, an elastic ejector rod is slidably inserted on the right wall of the needle rod, a detection column is slidably connected on the right wall of the connecting pipe, a first spring is fixedly connected between the detection column and the right wall of the connecting pipe, a metal elastic sheet is arranged on the right side of the detection column of the inner cavity of the right wall of the connecting pipe, an extrusion column is slidably connected below the detection column of the inner cavity of the right wall of the connecting pipe, a second spring is fixedly connected between the extrusion column and the right wall of the connecting pipe, metal balls are arranged at the upper end and the lower end of the extrusion column, a swivel is rotatably connected with the lower part of the connecting pipe, symmetrical limiting strips are fixedly connected on the left wall of the inner cavity of the swivel, an extrusion block is arranged on the right wall of the inner cavity of, the inner chamber upper wall of connecting block rotates and is connected with drive gear, the inner chamber lower wall of connecting block rotates and is connected with the transmission fluted disc, be provided with the belt between transmission fluted disc and the connecting pipe, drive gear's lower extreme rotates and is connected with the pawl that extends to on the transmission fluted disc, the inner chamber upper wall drive gear's of connecting block left side sliding connection has the rack, the rear end of rack is provided with the magnet piece, the inner chamber rear wall fixed mounting of connecting block has the electro-magnet, fixedly connected with third spring between electro-magnet and the magnet piece.
Preferably, the lateral wall of connecting pipe is seted up with the logical groove that the extrusion post matches, and the inner chamber upper wall and the lower wall that lead to the groove all are provided with the metal strip that matches with metal ball, and after the extrusion post was driven and is moved a certain distance to the left, can be so that metal ball and metal strip contact.
Preferably, a baffle strip is fixedly connected between the outer side limiting strips of the connecting pipe, and the rotating ring can only rotate within a certain range through the baffle strip, so that the extrusion column is conveniently fixed.
Preferably, one end of the inner cavity of the needle rod on the elastic ejector rod is fixedly connected with an arc-shaped strip, the inner side of the arc-shaped strip is provided with a rough surface, and the elastic ejector rod is pressed to enable the arc-shaped strip to be in contact with the connecting pipe, so that the arc-shaped strip is fixed and prevented from rotating.
Preferably, the right end of the extrusion post is provided with the rolling ball, when the rotating ring is rotated, the extrusion block can be driven to extrude and slide on the rolling ball, and the extrusion block is convenient to contact with the extrusion post.
Preferably, the left end of the extrusion block is provided with a groove, the extrusion block has certain elasticity, and when the extrusion column extrudes through the extrusion block and the right end of the extrusion column is immersed in the groove, the extrusion column and the extrusion block are in a relatively stable state by utilizing the elastic force of the second spring.
Preferably, the pawl is provided with a torsion spring extending to the transmission gear, the torsion spring enables the end part of the pawl to be pressed between teeth of the transmission fluted disc all the time, when the rack moves forwards and drives the transmission gear to rotate along a certain direction, the pawl can push the transmission fluted disc to rotate together, and when the rack moves in a resetting mode, the pawl can be sequentially bounced off from the teeth of the transmission fluted disc rotating relatively, and the transmission fluted disc is not driven to rotate together.
(III) advantageous effects
Compared with the prior art, the invention provides a sewing machine needle correction device with a transposition function, which has the following beneficial effects:
1. this sewing machine needle orthotic devices with transposition function through the needle clamp with original fixed position installation, replaces for the change, when making the user health be in sewing machine any position, can be light exert oneself through the hand and rotate the change to and the cooperation presses down the elasticity ejector pin, fix the inner chamber at the connecting pipe with the eedle, thereby make the eedle installation more convenient.
2. This sewing machine needle orthotic devices with transposition function makes the cambered surface and the plane of eedle reverse through installing the eedle accident, and the eedle can lead to the connecting pipe to rotate automatically after stretching into the inner chamber of connecting pipe, because the eedle has been fixed good can not drop, when the user does not realize the eedle installation orientation mistake, can avoid the unexpected condition to take place to user's safety in utilization has been guaranteed.
3. This sewing machine needle orthotic devices with transposition function starts the repulsion magnet piece through the electro-magnet circular telegram for the rack antedisplacement certain distance, and drive gear is driven the rotation promptly, and cooperates the pawl to drive the same rotation of driving toothed disc, makes the corresponding driven rotation half cycle of connecting pipe, and then makes the installation direction of eedle corrected, thereby has avoided the condition emergence of broken needle wire jumper on the way of the sewing.
4. This sewing machine needle orthotic devices with transposition function through set up the pawl transmission between drive gear and driving toothed disc, after the electro-magnet starts once, by its outage of controlling means control, the rack and then resets, corresponding drive gear rotates once more, and the pawl no longer promotes driving toothed disc and rotates together, and then has guaranteed the stability after the connecting pipe transposition to the rack of being convenient for resets and waits for next work.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a right sectional view of a connecting portion of a needle bar or the like of the present invention;
FIG. 3 is a front cross-sectional view of a swivel or the like connection according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a top sectional view of a connecting portion of a connecting pipe and the like according to the present invention;
FIG. 6 is a plan view of a connecting portion of a connecting pipe or the like according to the present invention;
FIG. 7 is a bottom plan view of the connecting portion of the drive sprocket or the like in accordance with the present invention.
In the figure: 1. a needle bar; 2. a connecting pipe; 3. an elastic ejector rod; 4. a detection column; 5. a first spring; 6. a metal spring sheet; 7. extruding the column; 8. a second spring; 9. a metal ball; 10. rotating the ring; 11. a limiting strip; 12. extruding the block; 13. connecting blocks; 14. a transmission gear; 15. a transmission fluted disc; 16. a belt; 17. a pawl; 18. a rack; 19. a magnet piece; 20. an electromagnet; 21. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a needle correction device with transposition function for a sewing machine comprises a needle bar 1, wherein an inner cavity of the needle bar 1 is rotatably connected with a connecting pipe 2, the side wall of the connecting pipe 2 is provided with a through groove matched with an extrusion column 7, the upper wall and the lower wall of the inner cavity of the through groove are both provided with metal strips matched with metal balls 9, when the extrusion column 7 is driven to move left for a certain distance, the metal balls 9 can be contacted with the metal strips, a baffle strip is fixedly connected between outer limit strips 11 of the connecting pipe 2, the baffle strip enables a rotating ring 10 to rotate within a certain range, the extrusion column 7 is conveniently fixed, an elastic ejector rod 3 is slidably inserted on the right wall of the needle bar 1, one end of the inner cavity of the needle bar 1 on the elastic ejector rod 3 is fixedly connected with an arc strip, the inner side of the arc strip is provided with a rough surface, the arc strip can be contacted with, a detection column 4 is connected on the right wall of the connecting pipe 2 in a sliding way, a first spring 5 is fixedly connected between the detection column 4 and the right wall of the connecting pipe 2, a metal elastic sheet 6 is arranged on the right side of the detection column 4 in the inner cavity of the right wall of the connecting pipe 2, an extrusion column 7 is connected below the detection column 4 in the inner cavity of the right wall of the connecting pipe 2 in a sliding way, a rolling ball is arranged at the right end of the extrusion column 7, when a rotating ring 10 is rotated, an extrusion block 12 can be driven to extrude and slide from the rolling ball, the extrusion block 12 is convenient to contact with the extrusion column 7, a second spring 8 is fixedly connected between the extrusion column 7 and the right wall of the connecting pipe 2, metal balls 9 are arranged at the upper end and the lower end of the extrusion column 7, the cambered surface and the plane of the machine needle are reversed by accident of the installation machine needle, the connecting pipe 2 can automatically rotate after the machine needle is inserted into the inner cavity of the connecting pipe 2, the occurrence of accidents can be avoided, thereby ensuring the use safety of users.
The lower part of connecting pipe 2 rotates and is connected with swivel 10, through the needle clamp with original fixed position installation, replaces for swivel 10 for when user's health is in sewing machine any position, can be light exert oneself through the hand and rotate swivel 10 to and the cooperation is pressed elastic ejector pin 3, fix the inner chamber at connecting pipe 2 with the eedle, thereby make the eedle installation more convenient.
The left wall of the inner cavity of the rotary ring 10 is fixedly connected with symmetrical limiting strips 11, the right wall of the inner cavity of the rotary ring 10 is provided with an extrusion block 12, the left end of the extrusion block 12 is provided with a groove, the extrusion block 12 has certain elasticity, when the extrusion column 7 extrudes through the extrusion block 12 and the right end of the extrusion column is immersed in the groove, the extrusion column 7 and the extrusion block 12 can be in a relatively stable state by utilizing the elastic action of a second spring 8, the rear end of the needle rod 1 is fixedly connected with a connecting block 13, the upper wall of the inner cavity of the connecting block 13 is rotatably connected with a transmission gear 14, the lower wall of the inner cavity of the connecting block 13 is rotatably connected with a transmission fluted disc 15, a belt 16 is arranged between the transmission fluted disc 15 and the connecting pipe 2, the lower end of the transmission gear 14 is rotatably connected with a pawl 17 extending to the transmission fluted disc 15, the pawl 17 is provided with a torsion spring extending to the transmission gear, when the rack 18 moves forward and drives the transmission gear 14 to rotate along a certain direction, the pawl 17 can push the transmission fluted disc 15 to rotate together, when the rack 18 performs reset motion, the pawl 17 can be sequentially bounced off teeth of the transmission fluted disc 15 which rotates relatively and does not drive the transmission fluted disc 15 to rotate together, the pawl 17 is arranged between the transmission gear 14 and the transmission fluted disc 15 for transmission, after the electromagnet 20 is started once, the control device controls the electromagnet to be powered off, the rack 18 is reset, the corresponding transmission gear 14 rotates again, and the pawl 17 does not push the transmission fluted disc 15 to rotate together any more, so that the stability of the connecting pipe 2 after transposition is ensured, and the rack 18 is convenient to reset to wait for next work.
The left side sliding connection of the inner chamber upper wall drive gear 14 of the connecting block 13 has a rack 18, the rear end of the rack 18 is provided with a magnet piece 19, the inner chamber rear wall of the connecting block 13 is fixedly provided with an electromagnet 20, the electromagnet 20 is electrified and then has the same name with the magnetic pole of the surface adjacent to the magnet piece 19, the electromagnet 20 and the magnet piece 19 repel each other, the electromagnet 20 and the magnet piece 19 are fixedly connected, the electromagnet 20 is electrified to start the repelling magnet piece 19, the rack 18 moves forwards for a certain distance, the drive gear 14 is driven to rotate, and the drive fluted disc 15 is driven to rotate together by matching with the pawl 17, so that the connecting pipe 2 is correspondingly driven to rotate for half a circle, the installation direction of the machine needle is corrected, and the occurrence of the condition of needle breakage.
The working principle is as follows: the sewing machine needle correction device with the transposition function can be used when a user sits in front of a sewing machine, namely, when the body faces a needle rod 1, when a loader needle is needed, because a needle clamp installed at the original fixed position is replaced by a rotary ring 10, the body of the user does not need to be positioned right ahead of the needle rod 1, namely, the needle can be installed right ahead of the sewing machine, and when the user is positioned at any peripheral standing position of the sewing machine, the elastic ejector rod 3 can be easily pressed by hands to contract towards the inner cavity of the needle rod 1, an arc strip on the inner side of the elastic ejector rod is contacted with the outer wall of a connecting pipe 2 to fix the connecting pipe 2, the rotary ring 10 is rotated towards a certain direction in a matching way, so that an extrusion block 12 extrudes an extrusion column 7, the right end of the extrusion column 7 is immersed into a groove on the extrusion block 12, and the extrusion column 7 is then stably leftwards moved to extrude and fix the needle, therefore, the needle installation is more convenient, when a user installs the needle and the cambered surface and the plane of the needle are accidentally inserted into the connecting pipe 2 in a reversed manner, namely the cambered surface part of the needle faces to the right side, namely the direction of the right side of the body of the user facing to a sewing machine, after the needle extends into the inner cavity of the connecting pipe 2, the cambered surface part extrudes the detection column 4 to move to the right, finally the right end of the detection column 4 is contacted with the metal elastic sheet 6, the circuit of the electromagnet 20 is communicated with one part, then after the user rotates the rotating ring 10 to fix the needle, the extrusion column 7 moves to the left to enable the metal ball 9 to be contacted with the metal strip, the circuit of the electromagnet 20 is completely communicated, at the moment, the connecting pipe 2 automatically rotates to correct the needle installation direction, the needle is driven to rotate by the connecting pipe 2 after being fixed, therefore, when the user does not realize the needle installation direction error, the connecting pipe 2 automatically rotates, the needle can not fall down to cause hand injury of a user, so that the use safety of the user is ensured, the electromagnet 20 can repel the magnet piece 19 after being electrified and started, the magnet piece 19 drives the rack 18 to move forwards for a certain distance, the corresponding rack 18 drives the transmission gear 14 to rotate for a certain angle, the pawl 17 pushes the transmission fluted disc 15 to rotate for a certain angle together, the transmission fluted disc 15 drives the connecting pipe 2 to rotate for a half cycle through the belt 16, finally, the installation direction of the needle is corrected, the cambered surface faces to the right, the condition of needle breakage and wire jumping in the middle of sewing is avoided, the sewing quality and speed are improved, after the electromagnet 20 is started once, the electromagnet can be quickly powered off under the action of the control device to play a role in saving energy, the corresponding rack 18 is reset under the action of the third spring 21, the transmission gear 14 is driven by the rack 18 to rotate in the opposite direction, the pawl 17 does not push the transmission fluted disc 15 to rotate together, so that the stability of the connecting pipe 2 after transposition is ensured, and the rack 18 is convenient to reset for waiting for the next work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a sewing machine needle orthotic devices with transposition function, includes needle bar (1), its characterized in that: the inner cavity of the needle rod (1) is rotatably connected with a connecting pipe (2), the right wall of the needle rod (1) is slidably inserted with an elastic ejector rod (3), the right wall of the connecting pipe (2) is slidably connected with a detection column (4), a first spring (5) is fixedly connected between the detection column (4) and the right wall of the connecting pipe (2), a metal elastic sheet (6) is arranged on the right side of the right wall inner cavity detection column (4) of the connecting pipe (2), an extrusion column (7) is slidably connected below the right wall inner cavity detection column (4) of the connecting pipe (2), a second spring (8) is fixedly connected between the extrusion column (7) and the right wall of the connecting pipe (2), metal balls (9) are arranged at the upper end and the lower end of the extrusion column (7), a rotary ring (10) is rotatably connected with the lower part of the connecting pipe (2), and a symmetrical limiting strip (11) is fixedly connected on the left wall of the inner cavity of the rotary ring (, an extrusion block (12) is arranged on the right wall of the inner cavity of the rotary ring (10), a connecting block (13) is fixedly connected with the rear end of the needle rod (1), the upper wall of the inner cavity of the connecting block (13) is rotationally connected with a transmission gear (14), the lower wall of the inner cavity of the connecting block (13) is rotationally connected with a transmission fluted disc (15), a belt (16) is arranged between the transmission fluted disc (15) and the connecting pipe (2), the lower end of the transmission gear (14) is rotationally connected with a pawl (17) extending to the transmission fluted disc (15), a rack (18) is connected to the left side of a transmission gear (14) on the upper wall of the inner cavity of the connecting block (13) in a sliding manner, a magnet piece (19) is arranged at the rear end of the rack (18), an electromagnet (20) is fixedly arranged on the rear wall of the inner cavity of the connecting block (13), and a third spring (21) is fixedly connected between the electromagnet (20) and the magnet piece (19).
2. The apparatus according to claim 1, wherein the indexing mechanism further comprises: the side wall of the connecting pipe (2) is provided with a through groove matched with the extrusion column (7).
3. The apparatus according to claim 1, wherein the indexing mechanism further comprises: and barrier strips are fixedly connected between the outer side limiting strips (11) of the connecting pipe (2).
4. The apparatus according to claim 1, wherein the indexing mechanism further comprises: one end of the inner cavity of the needle rod (1) on the elastic ejector rod (3) is fixedly connected with an arc-shaped strip.
5. The apparatus according to claim 1, wherein the indexing mechanism further comprises: the right end of the extrusion column (7) is provided with a rolling ball.
6. The apparatus according to claim 1, wherein the indexing mechanism further comprises: the left end of the extrusion block (12) is provided with a groove.
7. The apparatus according to claim 1, wherein the indexing mechanism further comprises: and a torsion spring extending to the transmission gear (14) is arranged on the pawl (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731702.2A CN111826821A (en) | 2020-07-27 | 2020-07-27 | Sewing machine needle correcting device with transposition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731702.2A CN111826821A (en) | 2020-07-27 | 2020-07-27 | Sewing machine needle correcting device with transposition function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111826821A true CN111826821A (en) | 2020-10-27 |
Family
ID=72926130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731702.2A Withdrawn CN111826821A (en) | 2020-07-27 | 2020-07-27 | Sewing machine needle correcting device with transposition function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111826821A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323272A (en) * | 2020-11-26 | 2021-02-05 | 林德访 | Sewing machine capable of automatically adjusting rotating shuttle |
-
2020
- 2020-07-27 CN CN202010731702.2A patent/CN111826821A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323272A (en) * | 2020-11-26 | 2021-02-05 | 林德访 | Sewing machine capable of automatically adjusting rotating shuttle |
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Application publication date: 20201027 |