CN204343018U - Sewing machine adapter - Google Patents
Sewing machine adapter Download PDFInfo
- Publication number
- CN204343018U CN204343018U CN201420815517.1U CN201420815517U CN204343018U CN 204343018 U CN204343018 U CN 204343018U CN 201420815517 U CN201420815517 U CN 201420815517U CN 204343018 U CN204343018 U CN 204343018U
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- CN
- China
- Prior art keywords
- connecting portion
- positioning sleeve
- block
- sewing machine
- limited block
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Abstract
The utility model provides sewing machine adapter, belongs to field of mechanical technique.It solve the problem of existing sewing machine needle joint replacing eedle inconvenience.The adapter of this sewing machine comprises joint body, joint body comprises connecting rod and Connection Block, upper end has connecting portion to Connection Block, a limited block is plugged with and described connecting portion is stretched out in this limited block outer end inside connecting portion, limited block inner face has a screwed hole, limited block outer end lateral wall has shoulder block in the form of a ring, shoulder block and connecting portion end face offset and this shoulder block is connected mutually by some screws and connecting portion, a tubular positioning sleeve is removably fixed with outside connecting portion, positioning sleeve and connecting portion are coaxially arranged, there is inside positioning sleeve gear edge in the form of a ring, shoulder block between gear edge and connecting portion and shoulder block and gear along between be provided with some springs making positioning sleeve have the trend of moving upward.The adapter of this sewing machine has eedle and changes conveniently and the advantage of working stability.
Description
Technical field
the utility model belongs to field of mechanical technique, relates to a kind of sewing machine needle, particularly sewing machine adapter.
Background technology
sewing machine needle is for making the Wiring device of sewing in Sewing machines.The upper-end part of driving of sewing machine needle is relatively thick, facilitates the clamping of sewing machine needle like this.Existing sewing machine needle mounting means is proceeded to from the bottom up in chuck one end thicker for eedle upper end, then undertaken fastening by trip bolt, this installation way is under long-time use, move back on eedle is easy, thus affect making and cabling of eedle, impact processing.
for this situation, people have recognized this deficiency, and carry out improvement, as the sewing machine adapter [application number: 201310732240.6 that Chinese patent literature data openly proposes; Authorization Notice No.: CN 103726239 A], comprise joint body, described joint is provided with the connecting rod for connecting needle bar of sewing machine, described joint is provided with the eedle hole that shape and eedle shape are coincide, described eedle hole is provided with fixing hole, be provided with gim peg in this fixing hole, described gim peg outer setting has external screw thread, and fixing hole inwall is provided with the internal thread matched with external screw thread on gim peg.
during above-mentioned sewing machine needle jiont treatment eedle, eedle one end is fixed in eedle hole by mode tightly.But when under Long-Time Service, eedle needs to change, the mode of replacing has two kinds: 1, hold thinner one end of eedle firmly up pushing away, but the easy like this eedle thinner end that causes stabs hand, dismantles also inconvenience simultaneously; 2, directly eedle is replaced together with whole joint, there is the shortcoming that replacement cost is high.
Summary of the invention
the purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of eedle and change conveniently and the sewing machine adapter of working stability.
the purpose of this utility model realizes by following technical proposal: sewing machine adapter, comprise joint body, described joint body comprises the connecting rod vertically arranged and the Connection Block being positioned at connecting rod side, described Connection Block is tubular, it is characterized in that, described Connection Block upper end has protrusion and tubular connecting portion, a limited block is plugged with and described connecting portion is stretched out in this limited block outer end inside described connecting portion, described limited block inner face has a screwed hole for being connected with syringe needle, described limited block outer end lateral wall has shoulder block in the form of a ring, described shoulder block and described connecting portion end face offset and this shoulder block is connected mutually by some screws and described connecting portion, a tubular positioning sleeve is removably fixed with outside described connecting portion, described positioning sleeve and described connecting portion are coaxially arranged, there is inside described positioning sleeve gear edge in the form of a ring, described shoulder block between described gear edge and connecting portion and shoulder block and gear along between be provided with some springs making described positioning sleeve have the trend of moving upward, some described springs are circumferentially uniform.
during installation, eedle upper end has external screw thread and eedle is screwed onto in screwed hole, is then inserted in Connection Block by limited block, and now Connection Block is stretched out in eedle lower end.Then limited block is stably linked together by some screws and Connection Block, then puts positioning sleeve and arrange spring between shoulder block and gear edge, fixing finally by connecting rod and needle bar of sewing machine.
limited block to be removably connected with Connection Block by some screws and positioning sleeve is detachably connected with Connection Block, thus facilitates the replacing of eedle; When eedle works, limited block is subject to the active force that eedle applies and has the trend moved upward, and shoulder block and gear along between spring be set play cushioning effect, under consuming the effect suffered by limited block, limited block and Connection Block are stablized be connected, thus eedle is stably worked.
in above-mentioned sewing machine adapter, described shoulder block has stopper slot with gear along on adjacent end face, the quantity of described stopper slot and position one_to_one corresponding identical with spring, the two ends of described spring are respectively with the diapire of described stopper slot with keep off edge and offset.
by arranging stopper slot, spring is positioned, spring is comparatively stably compressed, active force suffered by limited block is more stably delivered on spring and is consumed by spring-compressed, further increase the stability be connected between limited block with Connection Block, thus eedle is more stably worked.
in above-mentioned sewing machine adapter, each described stopper slot diapire all has the gag lever post of protrusion, described lower spring end is set on described gag lever post.
making spring more stably limited by arranging gag lever post, further increasing the stability of spring deformation, improve the stability be connected between limited block with Connection Block, eedle is more stably worked.
in above-mentioned sewing machine adapter, positioning sleeve lower end has internal thread, and described connecting portion has external screw thread, and described positioning sleeve is connected with described connecting portion with the engagement of internal thread mutually by described external screw thread.
the mode that positioning sleeve is threaded connection is connected mutually with connecting portion, has the advantage of convenient disassembly, thus improves the portability changing eedle.
alternatively, in above-mentioned sewing machine adapter, described positioning sleeve is connected mutually by some screws and described connecting portion, described screw end through described positioning sleeve and with described connecting portion bolt.
positioning sleeve is removably connected with connecting portion by screw, has the advantage of convenient disassembly equally, thus improves the portability changing eedle.
in above-mentioned sewing machine adapter, described limited block is cylindric, and cylindrically, the external diameter of described limited block and the internal diameter of connecting portion match described connecting portion.
namely the external diameter of limited block is slightly less than the internal diameter of connecting portion, makes the connection between limited block and connecting portion more firm and stable.
compared with prior art, the adapter of this sewing machine has the following advantages:
1, limited block to be removably connected with Connection Block by some screws and positioning sleeve is detachably connected with Connection Block, thus facilitates the replacing of eedle;
2, during eedle work, limited block is subject to the active force that eedle applies and has the trend moved upward, and shoulder block and gear along between spring be set play cushioning effect, under consuming the effect suffered by limited block, limited block and Connection Block are stablized be connected, thus eedle is stably worked;
3, by arranging gag lever post and stopper slot makes spring be stably positioned relative to the first and second frame part, improve the stability of spring deformation, thus improve the stability be connected between limited block with Connection Block, eedle is more stably worked.
Accompanying drawing explanation
fig. 1 is the structural representation of this sewing machine adapter;
fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
in figure, 1, joint body; 1a, connecting rod; 1b, Connection Block; 1c, connecting portion; 2, limited block; 2a, shoulder block; 2a1, stopper slot; 2a2, gag lever post; 3, positioning sleeve; 3a, gear edge; 4, screw; 5, eedle; 6, spring.
Detailed description of the invention
be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
embodiment one
as shown in Figure 1, the adapter of this sewing machine is made up of joint body 1, limited block 2, positioning sleeve 3 etc.Wherein, joint body 1 comprises a connecting rod 1a vertically arranged and is positioned at the Connection Block 1b of connecting rod 1a side.Operationally, joint body 1 is connected mutually by connecting rod 1a and Sewing needles 5 bar.
connection Block 1b be tubular and this Connection Block 1b upper end has a protrusion and connecting portion 1c cylindrically, this connecting portion 1c and Connection Block 1b is coaxially arranged.Limited block 2 is cylindric and is plugged in connecting portion 1c, and limited block 2 upper end is stretched out connecting portion 1c and this upper end lateral wall had shoulder block 2a in the form of a ring.Shoulder block 2a and connecting portion 1c end face lean, and some screws 4 end is screwed in connecting portion 1c is located firmly by limited block 2 through shoulder block 2a.As shown in Figure 2, limited block 2 inner face has screwed hole, and in use, eedle 5 upper end has external screw thread and this eedle 5 is threaded connection ground mode and limited block 2 is stably fixed together.
further illustrate, the external diameter of limited block 2 and the internal diameter of connecting portion 1c match, and namely the external diameter of limited block 2 is slightly less than the internal diameter of connecting portion 1c, make the connection between limited block 2 and connecting portion 1c more firm and stable.
positioning sleeve 3 is tubular and is removably connected mutually with connecting portion 1c lateral wall, and positioning sleeve 3 and connecting portion 1c are coaxially arranged.In the present embodiment, positioning sleeve 3 lower end has internal thread, and connecting portion 1c has external screw thread, and positioning sleeve 3 is connected with connecting portion 1c phase with the engagement of internal thread by external screw thread, has the advantage of convenient disassembly, thus improves the portability changing eedle 5.
positioning sleeve 3 upper end madial wall has gear in the form of a ring along 3a, the shoulder block 2a on limited block 2 is at gear along between 3a and connecting portion 1c, and shoulder block 2a and gear have gap between 3a.As shown in Figure 2, shoulder block 2a have some circumferentially uniform stopper slot 2a1 with gear along the end face that 3a is adjacent.In the present embodiment, the quantity of stopper slot 2a1 is 2.The diapire of each stopper slot 2a1 all has the gag lever post 2a2 of protrusion and gag lever post 2a2 is positioned at stopper slot 2a1 completely.Every root gag lever post 2a2 is all arranged with a spring 6, and the two ends of spring 6 offset along 3a with keeping off with stopper slot 2a1 diapire respectively.Under the effect of spring 6, positioning sleeve 3 has the trend moved upward.When eedle 5 works, limited block 2 is subject to the active force that eedle 5 applies and has the trend moved upward, and play cushioning effect at shoulder block 2a and gear along arranging spring 6 between 3a, under consuming the effect suffered by limited block 2, limited block 2 and Connection Block 1b are stablized be connected, thus eedle 5 is stably worked.
during installation, eedle 5 upper end has external screw thread and eedle 5 is threaded connection ground mode to be fixed in screwed hole and to hold together with limited block 2.Then limited block 2 is inserted in connecting portion 1c, and now Connection Block 1b is stretched out in eedle 5 lower end.Then limited block 2 is stably linked together with Connection Block 1b by some screws 4, on every root gag lever post 2a2, then all overlaps spring 6, then make positioning sleeve 3 and connecting portion 1c be screwed together and the gear on positioning sleeve 3 is offseted along 3a and spring 6.Fix finally by connecting rod 1a and Sewing needles 5 bar.
embodiment two
the present embodiment two with the structure of embodiment one and principle substantially identical, different place is: positioning sleeve 3 is connected by some screws and described connecting portion 1c phase, screw end through positioning sleeve 3 and with connecting portion 1c bolt.Positioning sleeve 3 is removably connected with connecting portion 1c by screw, has the advantage of convenient disassembly equally, thus improves the portability changing eedle 5.
specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. sewing machine adapter, comprise joint body, described joint body comprises the connecting rod vertically arranged and the Connection Block being positioned at connecting rod side, described Connection Block is tubular, it is characterized in that, described Connection Block upper end has protrusion and tubular connecting portion, a limited block is plugged with and described connecting portion is stretched out in this limited block outer end inside described connecting portion, described limited block inner face has a screwed hole for being connected with syringe needle, described limited block outer end lateral wall has shoulder block in the form of a ring, described shoulder block and described connecting portion end face offset and this shoulder block is connected mutually by some screws and described connecting portion, a tubular positioning sleeve is removably fixed with outside described connecting portion, described positioning sleeve and described connecting portion are coaxially arranged, there is inside described positioning sleeve gear edge in the form of a ring, described shoulder block between described gear edge and connecting portion and shoulder block and gear along between be provided with some springs making described positioning sleeve have the trend of moving upward, some described springs are circumferentially uniform.
2. sewing machine adapter according to claim 1, it is characterized in that, described shoulder block has stopper slot with gear along on adjacent end face, the quantity of described stopper slot and position one_to_one corresponding identical with spring, the two ends of described spring are respectively with the diapire of described stopper slot with keep off edge and offset.
3. sewing machine adapter according to claim 2, is characterized in that, each described stopper slot diapire all has the gag lever post of protrusion, described lower spring end is set on described gag lever post.
4. sewing machine adapter according to claim 1, is characterized in that, positioning sleeve lower end has internal thread, and described connecting portion has external screw thread, and described positioning sleeve is connected with described connecting portion with the engagement of internal thread mutually by described external screw thread.
5. sewing machine adapter according to claim 1, is characterized in that, described positioning sleeve is connected mutually by some screws and described connecting portion, described screw end through described positioning sleeve and with described connecting portion bolt.
6. sewing machine adapter according to claim 1, is characterized in that, described limited block is cylindric, and cylindrically, the external diameter of described limited block and the internal diameter of connecting portion match described connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815517.1U CN204343018U (en) | 2014-12-22 | 2014-12-22 | Sewing machine adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815517.1U CN204343018U (en) | 2014-12-22 | 2014-12-22 | Sewing machine adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204343018U true CN204343018U (en) | 2015-05-20 |
Family
ID=53226302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420815517.1U Expired - Fee Related CN204343018U (en) | 2014-12-22 | 2014-12-22 | Sewing machine adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204343018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109923255A (en) * | 2017-08-29 | 2019-06-21 | 株式会社铃木制作所 | Sewing needle clamping device |
-
2014
- 2014-12-22 CN CN201420815517.1U patent/CN204343018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109923255A (en) * | 2017-08-29 | 2019-06-21 | 株式会社铃木制作所 | Sewing needle clamping device |
| CN109923255B (en) * | 2017-08-29 | 2021-05-25 | 株式会社铃木制作所 | Sewing needle clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |