CN202658385U - Needle distance knob locking device of sewing machine - Google Patents
Needle distance knob locking device of sewing machine Download PDFInfo
- Publication number
- CN202658385U CN202658385U CN 201220204074 CN201220204074U CN202658385U CN 202658385 U CN202658385 U CN 202658385U CN 201220204074 CN201220204074 CN 201220204074 CN 201220204074 U CN201220204074 U CN 201220204074U CN 202658385 U CN202658385 U CN 202658385U
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- Prior art keywords
- lock pin
- knob
- lever plate
- needle distance
- locking device
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Abstract
The utility model provides a needle distance knob locking device of a sewing machine, belonging to the technical field of sewing machines and being used for solving the problems of complexity in operation for adjusting the needle distance, poor knob locking effect and the like in the traditional sewing machine. According to the needle distance knob locking device of the sewing machine, provided by the utility model, a needle distance adjusting stud is arranged on an enclosure, and the outer end of the adjusting stud is integrally connected with a needle distance knob. The needle distance knob locking device of the sewing machine is characterized in that the enclosure is provided with a locking pin; the side of the needle distance knob opposite to the locking pin is annularly provided with a locking gear ring; the locking part of the locking pin can be connected to the inside of a tooth space of the gear ring in a clamping way; and a locking pin clutch mechanism is arranged between the enclosure and the needle distance knob. The needle distance knob locking device has the advantages of simple structure, good locking effect, convenience in operation and the like.
Description
Technical field
The utility model belongs to the sewing machine technique field, refers in particular to sewing needle distance knob locking device.
Background technology
In Sewing machines, be provided with sewing length adjustment device and specially needle gage length adjusted, sewing length adjustment device is generally a needle gage double-screw bolt, screws or unscrew the adjusting that double-screw bolt is realized needle gage length.
At present, Chinese patent literature discloses a kind of anti-loosening device for needle pitch adjusting stud of sewing machine [patent No.: ZL201020221525.5; Granted publication number: CN 201713665U], comprise sewing machine case, at casing needle gage is installed and is regulated double-screw bolt, needle gage is regulated double-screw bolt adjusting knob is installed outward, it is characterized in that: anti-DNA releaxed circular DNA is set between described casing and the adjusting knob, in anti-DNA releaxed circular DNA, have axis hole, axis hole is regulated double-screw bolt with needle gage and is matched, eccentric arc is made at edge at anti-DNA releaxed circular DNA, locking pin is installed in casing, eccentric arc matches with locking pin, the eccentric arc edge of this device by locking pin and the anti-DNA releaxed circular DNA chucking that leans, thus realize location to adjusting knob, but this structure is because the eccentric arc EDGE CONTACT chucking weak effect of locking pin and anti-DNA releaxed circular DNA, the vibrations that produce in Sewing machines work process easily so that anti-DNA releaxed circular DNA rotates, cause locking inefficacy, and this structure are when the metering needle distance is spent, need to rotate first anti-DNA releaxed circular DNA cancellation and locking pin gripping orientation, after adjusting is finished, need again to rotate anti-DNA releaxed circular DNA and locking pin chucking, exist great inconvenience in therefore using.
Summary of the invention
The purpose of this utility model provides good, the easy to operate easy sewing needle distance knob locking device of locking effect.
The purpose of this utility model is achieved in that sewing needle distance knob locking device, at casing needle gage to be installed to regulate double-screw bolt, the outer end of regulating double-screw bolt is connected with stitch length knob, it is characterized in that: lock pin is installed on the casing, be equipped with the stopping gear ring on the side of the stitch length knob relative with lock pin, the lock part of described lock pin can be connected in the teeth groove of gear ring, is provided with the lock pin clutch between described casing and the stitch length knob.
The utility model is to adopt lock pin to be connected in the teeth groove of gear ring so that stitch length knob is in non-rotatable state, make lock pin cancellation clamping by the lock pin clutch, the rotatable stitch length knob of user is regulated, regulating can be automatically with lock pin and teeth groove clamping by the lock pin clutch after complete, therefore the utility model is comparatively easy in operating process, and that has avoided operating in the prior art is loaded down with trivial details.
At above-mentioned sewing needle distance knob locking device, described lock pin clutch is: be provided with lever plate between lock pin and stitch length knob, lever plate is contained in by the shaft hole sleeve on it and regulates on the double-screw bolt, be provided with back-moving spring between lever plate and the stitch length knob, described lever plate is provided with the lock pin locating hole, stretching out the locating hole that the lock part of the lock pin of casing passes on the lever plate is connected in the teeth groove of gear ring, lock part is located by the through hole of lever plate simultaneously, promote lever plate to the casing direction, can make the teeth groove of lock pin separating tooth torus.
At above-mentioned sewing needle distance knob locking device, described lever plate is: be provided with axis hole on the substrate, be provided with the press section outside the axis hole and on the substrate edges with locating hole one side, the substrate edges of press section offside is provided with baffle plate.
At above-mentioned sewing needle distance knob locking device, described back-moving spring is volute spring, and the microcephaly of volute spring holds out against on the stitch length knob wall of gear ring inboard, and the major part of volute spring holds out against on lever plate.
The utility model compared to existing technology outstanding and useful technique effect is:
1, the teeth groove clamping of lock pin of the present utility model and gear ring is good to the locking effect of stitch length knob.
2, the utility model adopts spring reset, utilizes elastic force to keep joint or the released state of lock pin.
3, the utility model is provided with the pressing board for user's operation, and is easy to operate.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
The specific embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-2:
Sewing needle distance knob locking device, at casing 1 needle gage to be installed to regulate double-screw bolt 2, the outer end of regulating double-screw bolt 2 is connected with stitch length knob 3, it is characterized in that: lock pin 4 is installed on the casing 1, be equipped with stopping gear ring 5 on the side of the stitch length knob 3 relative with lock pin, the lock part 41 of described lock pin can be connected in the teeth groove 51 of gear ring, is provided with the lock pin clutch between described casing 1 and the stitch length knob 3.The utility model is to adopt lock pin 4 to be connected in the teeth groove 51 of gear ring so that stitch length knob 3 is in non-rotatable state, make lock pin 4 cancellation clampings by the lock pin clutch, the rotatable stitch length knob 3 of user is regulated, regulate complete after by the lock pin clutch can be automatically with lock pin 4 and teeth groove 51 clampings, therefore the utility model is comparatively easy in operating process, and that has avoided operating in the prior art is loaded down with trivial details.
Described lock pin clutch is: be provided with lever plate 6 between lock pin 4 and stitch length knob 3, lever plate is sleeved on by the axis hole 61 on it and regulates on the double-screw bolt, be provided with back-moving spring 7 between lever plate 6 and the stitch length knob 3, described lever plate 6 is provided with lock pin locating hole 62, stretching out the locating hole 62 that the lock part 41 of the lock pin 4 of casing 1 passes on the lever plate 6 is connected in the teeth groove 51 of gear ring, lock part 41 is located by the through hole of lever plate simultaneously, promote lever plate 6 to casing 1 direction, can make the teeth groove 51 of lock pin 3 separating tooth torus.By promote a side of lever plate 6 to casing 1 direction, the lock pin that is positioned at lever plate 6 these sides is moved to casing 1 direction, therefore the teeth groove 51 that has broken away from gear ring, the contact to lever plate 6 apply power after, by back-moving spring lever plate 6 is resetted, simultaneously the again clamping of teeth groove 51 of lock pin 3 and gear ring.
Described lever plate 6 is: be provided with axis hole 61 on the substrate 65, be provided with press section 64 outside the axis hole 61 and on substrate 65 edges with locating hole one side, substrate 65 edges of press section 64 offsides are provided with baffle plate 63.Increase the simplicity of operation by being provided with press section 64, behind the lock pin separating tooth torus teeth groove, baffle plate 63 and stitch length knob 3 walls of setting lean when pressing press section 64.
Described back-moving spring 7 is volute spring, and the microcephaly of volute spring holds out against on stitch length knob 3 walls of gear ring inboard, and the major part of volute spring holds out against on lever plate 6.In conjunction with actual operating position, adopt the volute spring major part to hold out against on lever plate 6, the microcephaly holds out against and be optimum implementation on stitch length knob 3 wall.
Above-described embodiment is preferred embodiment of the present utility model only, is not to limit according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (4)
1. sewing needle distance knob locking device, at casing (1) needle gage to be installed to regulate double-screw bolt (2), the outer end of regulating double-screw bolt (2) is connected with stitch length knob (3), it is characterized in that: lock pin (4) is installed on the casing (1), be equipped with stopping gear ring (5) on the side of the stitch length knob relative with lock pin (3), the lock part of described lock pin (41) can be connected in the teeth groove (51) of gear ring, is provided with the lock pin clutch between described casing (1) and the stitch length knob (3).
2. sewing needle distance knob locking device according to claim 1, it is characterized in that: described lock pin clutch is: be provided with lever plate (6) between lock pin (4) and stitch length knob (3), lever plate is sleeved on by the axis hole on it (61) and regulates on the double-screw bolt, be provided with back-moving spring (7) between lever plate (6) and the stitch length knob (3), described lever plate (6) is provided with lock pin locating hole (62), stretching out the locating hole (62) that the lock part (41) of the lock pin (4) of casing (1) passes on the lever plate (6) is connected in the teeth groove (51) of gear ring, lock part (41) is located by the through hole of lever plate simultaneously, promote lever plate (6) to casing (1) direction, can make the teeth groove (51) of lock pin (3) separating tooth torus.
3. sewing needle distance knob locking device according to claim 2, it is characterized in that: described lever plate (6) is: be provided with axis hole (61) on the substrate (65), be provided with press section (64) outside the axis hole (61) and on substrate (65) edge with locating hole one side, substrate (65) edge of press section (64) offside is provided with baffle plate (63).
4. sewing needle distance knob locking device according to claim 2, it is characterized in that: described back-moving spring (7) is volute spring, the microcephaly of volute spring holds out against on the stitch length knob of gear ring inboard (3) wall, and the major part of volute spring holds out against on lever plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204074 CN202658385U (en) | 2012-05-08 | 2012-05-08 | Needle distance knob locking device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204074 CN202658385U (en) | 2012-05-08 | 2012-05-08 | Needle distance knob locking device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658385U true CN202658385U (en) | 2013-01-09 |
Family
ID=47453302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220204074 Expired - Lifetime CN202658385U (en) | 2012-05-08 | 2012-05-08 | Needle distance knob locking device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202658385U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032490A (en) * | 2014-06-24 | 2014-09-10 | 新杰克缝纫机股份有限公司 | Needle pitch adjusting and locking device and sewing machine |
| CN110747585A (en) * | 2019-11-13 | 2020-02-04 | 徐州同立自动化设备有限公司 | Sewing mechanism of double-side double-thread lock type sewing equipment |
| CN111088605A (en) * | 2020-01-14 | 2020-05-01 | 李丽 | Sewing mechanism of double-side double-thread lock type sewing equipment |
-
2012
- 2012-05-08 CN CN 201220204074 patent/CN202658385U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032490A (en) * | 2014-06-24 | 2014-09-10 | 新杰克缝纫机股份有限公司 | Needle pitch adjusting and locking device and sewing machine |
| CN110747585A (en) * | 2019-11-13 | 2020-02-04 | 徐州同立自动化设备有限公司 | Sewing mechanism of double-side double-thread lock type sewing equipment |
| CN111088605A (en) * | 2020-01-14 | 2020-05-01 | 李丽 | Sewing mechanism of double-side double-thread lock type sewing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JACK SEWING CO., LTD. Free format text: FORMER NAME: NEW JACK SEWING MACHINE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee after: JACK SEWING MACHINE CO., LTD. Address before: 318010 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee before: New Jack Sewing Machine Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |