CN201722498U - Sewing machine and driving device shell - Google Patents
Sewing machine and driving device shell Download PDFInfo
- Publication number
- CN201722498U CN201722498U CN2010201122785U CN201020112278U CN201722498U CN 201722498 U CN201722498 U CN 201722498U CN 2010201122785 U CN2010201122785 U CN 2010201122785U CN 201020112278 U CN201020112278 U CN 201020112278U CN 201722498 U CN201722498 U CN 201722498U
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- sewing machine
- sewing machines
- drive unit
- sewing
- electrical motor
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Abstract
The utility model provides a sewing machine with simple structure, few parts and low cost, a driving assembly and a driving assembly shell. The sewing machine (100) of the utility model comprises a sewing machine motor (120), a synchronous belt (140) and a drive device shell (110), wherein the sewing machine motor (120) is used for driving the sewing machine; the synchronous belt (140) is sheathed on a motor chain wheel (131) installed on the rotation axis of the sewing machine motor (120) and sheathed on a driving chain wheel (132) installed on the driving axis (105) of a sewing machine head part (100a); the sewing machine motor (120) is arranged and fixed in the drive device shell (110), and the sewing machine motor (120), the motor chain wheel (131), the driving chain wheel (132) and the synchronous belt (140) are covered by the drive device shell (110).
Description
Technical field
The utility model relates to Sewing machines and drive unit housing, specifically relates to the improvement of the driven unit and the drive unit housing of the industrial sewing machines with drive unit.
Background technology
Fig. 1 is the simple front view that expression has existing common outward appearance drive unit, Sewing machines integral body.
As shown in Figure 1, existing common industrial sewing machines 10, its Sewing machines head 10a be arranged at sewing machine table 11 above.Below sewing machine table 11, be provided with the electrical motor of sewing machine 13 that makes machine spindle 10b rotation by driving belt 12, below electrical motor of sewing machine 13, be provided with the control cabinet (electric appliance box) 14 that is used to control electrical motor of sewing machine 13.
In addition, as patent documentation 1 was disclosed, actual also the application had the industrial sewing machines that disposed the drive unit of electrical motor of sewing machine on sewing machine table with the Sewing machines head.
Fig. 2 is the stereogram of drive unit of the Sewing machines of patent documentation 1 record.
As shown in Figure 2, sewing machine table (omitting diagram) is provided with Sewing machines head 20a, and 20a is provided with electrical motor of sewing machine 30 side by side with the Sewing machines head.Electrical motor of sewing machine 30 is contained in the motor housing case 31, is fixed on the support plate 40 as frame by motor housing case 31 thread connection.
The driving shaft 21 of Sewing machines and the rotating shaft 32 of electrical motor of sewing machine 30 are being installed on support plate 40 under the state of Sewing machines head 20a, and be outstanding from support plate 40.From the rotating shaft 32 of the driving shaft 21 of support plate 40 extended Sewing machiness and electrical motor of sewing machine 30, sprocket wheel 51 and sprocket wheel 52 and thread connection are installed respectively.And, when sprocket wheel 51 and sprocket wheel 52 are installed, ring set be with synchronously 50 so that sprocket wheel 51 be connected with sprocket wheel 52.
Under the state of Fig. 2, the cover 60 that will be used to cover synchronously with 50 by screw is installed on support plate 40.From the rotating shaft 32 of the driving shaft 21 of the outstanding Sewing machines of support plate 40 and electrical motor of sewing machine 30, sprocket wheel 51, sprocket wheel 52 are installed and are with 50 synchronously.According to such structure, expose from the side of support plate 40 with 50 synchronously, therefore, be with 50 synchronously to cover 60 covering ring sets from the angle of security.
In the Sewing machines 20 of Fig. 2, because its Sewing machines head 20a is arranged on the sewing machine table with electrical motor of sewing machine 30, so change Sewing machines 20 the position is set the time, as long as Sewing machines is moved with electrical motor of sewing machine 30, have and be convenient to the advantage that disposes Sewing machines 20 and be easy to change configuration.
[patent documentation 1] CN100447328C Granted publication
Utility model problem to be solved
But, in the Sewing machines that has existing drive unit like this, need as the support plate 40 that be used for electrical motor of sewing machine 30 is installed on the frame of Sewing machines head 20a, and cover synchronously cover 60, therefore can't avoid the increase of part count and the increase of the cost that causes with 50.
In addition, just install with 50 synchronously in order to cover though cover 60, because of the position that is arranged on the lateral outer that protrudes in Sewing machines head 20a, the breakage so when transporting etc., be subjected to easily from the collision of outside.Breakages when preventing that Sewing machines from transporting etc. need to adopt the material of having considered rigidity etc. or work hard on package shape.For example, if make cover 60, then need take the breakage of enough package shapes when preventing to transport because rigidity can't be guaranteed with resin, sheet metal etc.Increase the size of packing case thus, spend more shipment and delivery cost.
The utility model content
The utility model proposes in order to solve these technical tasks just, and promptly the purpose of this utility model is to provide simple in structure, part count is less and Sewing machines, driven unit and the drive unit housing that can reduce cost.
The scheme of dealing with problems
The structure that Sewing machines of the present utility model adopts comprises: electrical motor of sewing machine is used to drive Sewing machines; Synchronous band, ring set is being installed on the motor sprocket on the rotating shaft of described electrical motor of sewing machine and is being installed on drive sprocket on the driving shaft of Sewing machines head; And the drive unit housing, be used for fixing described electrical motor of sewing machine, and cover described motor sprocket, described drive sprocket and described synchronous band.
Driven unit of the present utility model is the driven unit that is installed on the Sewing machines, and its structure that adopts comprises: electrical motor of sewing machine is used to drive described Sewing machines; Synchronous band, ring set is being installed on the motor sprocket on the rotating shaft of described electrical motor of sewing machine and is being installed on drive sprocket on the driving shaft of Sewing machines head; And the drive unit housing, be used for fixing described electrical motor of sewing machine, and cover described motor sprocket, described drive sprocket and described synchronous band.
Drive unit housing of the present utility model is to be used to hold and the fixing drive unit housing of electrical motor of sewing machine, and it is integrally formed and constitute by first and second portion, and described first is fit to Sewing machines head shape; Described second portion, be used for fixing described electrical motor of sewing machine, and cover motor sprocket on the rotating shaft be installed on described electrical motor of sewing machine, be installed on drive sprocket and the synchronous band of ring set on described motor sprocket and described drive sprocket on the driving shaft of described Sewing machines head.
The effect of utility model
According to the utility model, can implementation structure simple and part count is less, and can realize the reduction of cost.
Description of drawings
Fig. 1 is the simple front view of outward appearance that expression has the Sewing machines integral body of existing drive unit.
Fig. 2 is the stereogram of expression from pulley side drive unit that observe, existing sewing machine.
Fig. 3 is that expression is from the pulley side integrally-built stereoscopic figure of Sewing machines that observe, that embodiment of the present utility model relates to.
Fig. 4 is the exploded perspective view of structure of the driving unit enclosure of the Sewing machines that relates to of the above-mentioned present embodiment of expression.
Fig. 5 is the exploded perspective view of structure of the driving unit enclosure of the Sewing machines that relates to of the above-mentioned present embodiment of expression.
The explanation of Reference numeral
100 Sewing machiness
105 lower shafts (driving shaft)
100a Sewing machines head
110 drive unit housings
111 firsts
112 second portions
116 oval opening portions
119 tension draftomter patchholes
120 electrical motor of sewing machine
123 rotating shafts
124 motor cover
131,132 sprocket wheels
140 are with synchronously
The specific embodiment
Below, describe embodiment of the present utility model in detail with reference to accompanying drawing.
Present embodiment is the example that is applicable to industrial sewing machines.
As Fig. 3, Fig. 4 and shown in Figure 5, Sewing machines 100 comprises Sewing machines head 100a and drive unit housing 110, wherein, drive unit housing 110 is disposed at the bottom, side of rear one side of Sewing machines head 100a, be used for fixing driving force is passed to electrical motor of sewing machine 120 as the lower shaft 105 of Sewing machines 100 driving shafts, and described drive unit housing 110 is used to connect and drives cover from the rotating shaft 123 of electrical motor of sewing machine 120 to the drive unit of above-mentioned lower shaft 105 for covering.
As shown in Figure 4 and Figure 5, drive unit housing 110 is made of first 111 and second portion 112, first 111 is fit to the shell shape of Sewing machines head 100a, second portion 112 is used to install electrical motor of sewing machine, and electrical motor of sewing machine, sprocket wheel and synchronous band are contained in its inside, and first 111 and second portion 112 form by foundry goods is integrally formed.
First's 111 rectangular pedestal shapes are to cover the drive unit installation portion of Sewing machines head 100a lower side.
Electrical motor of sewing machine 120 has to be installed with flange 121, and electrical motor of sewing machine 120 is fixed on the installed base 113 of second portion 112 inboards of drive unit housing 110 by installing with flange 121 usefulness bolts 122 thread connection.And, before being installed to electrical motor of sewing machine 120 on the installed base 113, sprocket wheel (motor sprocket) 131 is installed on the rotating shaft 123 of electrical motor of sewing machine 120 and thread connection.And, will be erected in advance on the sprocket wheel 131 that is installed to rotating shaft 123 with 140 synchronously.Electrical motor of sewing machine 120 will be erected under the state of sprocket wheel 131 with 140 synchronously, be installed to second portion 112 inboards of drive unit housing 110.
And then motor cover 124 is installed on the peripheral part of electrical motor of sewing machine 120, and its screw hole 114 usefulness screws 125 thread connection by second portion 112 inboards are fixed.
The top 124a of motor cover 124 has roughly the inclined plane 124b that slowly tilts from central division downwards, and motor cover 124 under the 124b of this inclined plane and electrical motor of sewing machine 120 part intercalations are to Sewing machines head 100a lower backside.Top 124a and side 124c beyond the inclined plane 124b of motor cover 124 expose as the part of the back appearance of Sewing machines 100.Therefore, the top 124a of motor cover 124 and side 124c form the shape that obtains the one sense with drive unit housing 110.
On the other hand, the driving shaft 105 of Sewing machines extends from the side of Sewing machines head 100a.Sprocket wheel 132 (drive sprocket) is installed on the lower shaft 105 of Sewing machines, and it is fixed with screw 133 thread connection.
As mentioned above, when drive unit housing 110 is installed to Sewing machines head 100a, on the sprocket wheel 131 of the rotating shaft 123 that is installed to Sewing machines 120, temporarily is combined with and is with 140 synchronously.Under this state, will set up on the sprocket wheel 132 of the driving shaft 105 that is installed on Sewing machines with 140 synchronously, 110 relative Sewing machines head 100a position with the drive unit housing, and bolt 115a and the bolt 115b with size is temporarily fixing simultaneously.Drive unit housing 110 temporarily is fixed on the Sewing machines head 100a, thereby sprocket wheel 131 and sprocket wheel 132 become by synchronously with the state of 140 ring sets.
On the side 112a of the second portion 112 of drive unit housing 110, be formed with the oval opening portion 116 of the phase place adjustment usefulness of sprocket wheel 132, the lid 117 that oval opening portion 116 is roughly same shape across packing ring 118a with screw 118b shutoff.In addition, the shape of oval opening portion 116 can be shape arbitrarily.In the present embodiment, by adopting elliptical shape, even be arranged on the phase place of internal thread of screw 133 usefulness of sprocket wheel 131 and sprocket wheel 132 deviation is arranged, also the instrument that hold-down screw is used passes peristome, thereby is convenient to adjust.
112b on the second portion 112 of drive unit housing 110 has and is used to insert mensuration synchronously with the hole 119 of the tension draftomter of 140 tension force, tension draftomter patchhole 119 when using usually with cap 119a shutoff.Hole 119 so long as the hole that tension draftomter can insert get final product.
In the present embodiment, drive unit housing 110 has the oval opening portion 116 and the tension draftomter patchhole 119 of the phase place adjustment usefulness of sprocket wheel 132.Drive unit housing 110 is contained in its inside and fixing with electrical motor of sewing machine 120, and cover electrical motor of sewing machine 120, sprocket wheel 131 and be with 140 synchronously, according to such structure, before drive unit housing 110 is installed to Sewing machines head 100a, can't be synchronously with 140 phase place adjustment and tension detection.Therefore, drive unit housing 110 has oval opening portion 116 and tension draftomter patchhole 119 in advance.That is to say that drive unit housing 110 has the peristome that the phase place adjustment is used and/or tension detection is used becomes a feature.
In addition, the first 111 of drive unit housing 110 is the shared shapes that are suitable for multiple Sewing machines.For example, the shape of the drive unit mounting portion of the faggot-stitching machine of present embodiment adopts and the shared shape of shape as the drive unit installation portion of the serging machine of other Sewing machines kinds.The position of screw hole that is used to install drive unit housing 110 is also shared.In addition, the shape that is shaped as the machine frame shape that is suitable for faggot-stitching machine and serging machine of first 111.First's 111 rectangular pedestal shapes are to cover Sewing machines head 100a lower side.By adopting this spline structure, drive unit housing 110 can commonly be suitable for as the drive unit of various Sewing machiness.In addition, the exchange of drive set component is also simple.
In addition, the mode that provides separately as being installed to the driven unit of Sewing machines 100 also can be provided above-mentioned drive unit housing 110.That is to say that this driven unit adopts and electrical motor of sewing machine 120 is contained in it is inner and fixing, and have and be used to cover electrical motor of sewing machine 120, sprocket wheel 131 and synchronously with the structure of 140 drive unit housing 110.
The following describes the assemble method of drive unit housing 110.
As shown in Figure 5, sprocket wheel 132 is installed on from the front end of the sewing machine frame 101 extended lower shafts 105 of Sewing machines head 100a, and with these sprocket wheel 132 usefulness screws 133 thread connection.This thread connection is temporary transient combination.
And, sprocket wheel 131 is installed on the rotating shaft 123 of electrical motor of sewing machine 120 and thread connection.And then, will be erected at the sprocket wheel 131 that is installed on the rotating shaft 123 in advance with 140 synchronously.
To be erected under the state of sprocket wheel 131 with 140 synchronously,, be fixed in the installed base 113 of second portion 112 inboards of drive unit housing 110 with bolt 122 thread connection by the installation flange 121 of electrical motor of sewing machine 120.And then, motor cover 124 is installed on the electrical motor of sewing machine 120, and motor cover 124 usefulness screws, 125 thread connection is fixed in the bolt hole 114 of second portion 112 inboards.Thus, electrical motor of sewing machine 120 will be erected under the state of sprocket wheel 131 with 140 synchronously, be installed on second portion 112 inboards of drive unit housing 110.And if from visual observation the state of motor cover 124 has been installed, then drive unit housing 110 and motor cover 124 form the drive unit of the global shape that has held electrical motor of sewing machine 120.In addition, also can prepare the drive unit of the global shape that has held electrical motor of sewing machine 120 in advance, be that unit exchanges etc. with this drive unit.
And then, when will being erected at the sprocket wheel 132 that is installed on lower shaft 105 with 140 synchronously, to the drive unit housing 110 of electrical motor of sewing machine 120 and motor cover 124 be installed, Sewing machines head 100a positions and is temporarily fixing with the bolt 115a and the bolt 115b of size relatively.Drive unit housing 110 temporarily is fixed on the Sewing machines head 100a, thereby sprocket wheel 131 and sprocket wheel 132 become by synchronously with the state of 140 ring sets.
The hole 119 that not shown tension draftomter is inserted the top 112b of drive unit housing 110 is to measure synchronously the tension force with 140.Can adjust according to the relation of the position between Sewing machines head 100a and the drive unit housing 110 with 140 tension force synchronously.Particularly, be used for drive unit housing 110 being fixedly connected on the bolt hole (omitting diagram) of Sewing machines head 100a with bolt 115a, bolt 115b, on synchronously with 140 ring set direction, roughly form the rectangle that does not have corner angle, the position of fixedlying connected by mobile bolt 115a and bolt 115b, relative position between Sewing machines head 100a and the drive unit housing 110, just the relative position of sprocket wheel 131 and sprocket wheel 132 changes, can adjust ring set two sprocket wheels synchronously with 140 tension force.As the result who measures, after having confirmed synchronously to be appropriate value with 140 tension force, set bolt 115a and bolt 115b.
Then, use cover 117 across packing ring 118a with bolt 118b shutoff elliptical openings portion 116, and with the hole 119 of 112b above the cap 119a shutoff, thereby finish installation.
As above detailed explanation, the Sewing machines 100 of present embodiment comprises: electrical motor of sewing machine 120 is used to drive Sewing machines; Be with 140 synchronously, ring set is at sprocket wheel on the rotating shaft that is installed on electrical motor of sewing machine 120 131 and the sprocket wheel 132 that is installed on the lower shaft 105; And drive unit housing 110, electrical motor of sewing machine 120 is contained in its inside and fixing, and covers electrical motor of sewing machine 120, sprocket wheel 131, sprocket wheel 132 and be with 140 synchronously.Drive unit housing 110 has following function simultaneously: as the frame that is used for fixing electrical motor of sewing machine 120, and as covering electrical motor of sewing machine 120, sprocket wheel 131, sprocket wheel 132 and synchronously with 140 cover.For drive unit housing 110, cover is an one with the plate that motor is installed.
Thus, do not need to be used for electrical motor of sewing machine 120 is installed to the frame of Sewing machines head 100a, and cover synchronously cover, thereby can realize the reduction of cost with 140.
In addition, the material that has intensity with foundry goods etc. is made drive unit housing 110, and the support in the time of can making drive unit housing 110 itself as packing uses, and because drive unit housing 110 has enough rigidity, so can reduce packaging volume.
In addition, because can distribute the heat of electrical motor of sewing machine 120 efficiently, so have the advantage of the heat radiation of being beneficial to the drive unit housing 110 of making such as foundry goods.
Above explanation is an illustration preferred embodiment of the present utility model, and scope of the present utility model has more than and is limited to this.For example, be applicable to the example of the lower shaft of Sewing machines, but so long as the driving shaft of Sewing machines, also go for the axle of going up of Sewing machines although understand Sewing machines and drive unit housing.In addition, be not limited to industrial sewing machines, also go for for example driven unit of home-use Sewing machines etc.
In addition, though in the above-described embodiment, used titles such as Sewing machines and drive unit housing, this also can be called driven unit, driving unit enclosure etc. just for convenience of explanation.
And then, constitute the various piece of above-mentioned Sewing machines and drive unit housing, for example the kind of the kind of electrical motor of sewing machine, mounting material, sprocket wheel etc. and number etc. all are not limited to above-mentioned embodiment.
Industrial applicibility
Sewing machine of the present utility model, driven unit and drive unit housing, as the drive unit of industrial sewing machines, as make with driving force offer sewing machine drive set component driven unit of great use.
Claims (6)
1. Sewing machines, it comprises:
Electrical motor of sewing machine is used to drive Sewing machines;
Synchronous band, ring set is on being installed on the motor sprocket on the rotating shaft of described electrical motor of sewing machine and being installed on drive sprocket on the driving shaft of Sewing machines head; And
The drive unit housing is used for fixing described electrical motor of sewing machine, and covers described motor sprocket, described drive sprocket and described synchronous band.
2. Sewing machines as claimed in claim 1, it is characterized in that, described drive unit housing is integrally formed and constitute by first and second portion, described first is fit to the shell shape of described Sewing machines head, described second portion is used for fixing described electrical motor of sewing machine, and described motor sprocket, described drive sprocket and described synchronous band are contained in its inside.
3. Sewing machines as claimed in claim 2 is characterized in that, the described first of described drive unit housing is the shared shape that is suitable for multiple Sewing machines.
4. Sewing machines as claimed in claim 1 is characterized in that, described drive unit housing has the peristome that the phase place that is used for described motor sprocket and described drive sprocket is adjusted operation.
5. Sewing machines as claimed in claim 1 is characterized in that, described drive unit housing has the hole of the tension draftomter that is used to insert the tension force of measuring described synchronous band.
6. one kind is used to hold and the fixing drive unit housing of electrical motor of sewing machine, and integrally formed and constitute by first and second portion, described first is fit to Sewing machines head shape; Described second portion, be used for fixing described electrical motor of sewing machine, and cover motor sprocket on the rotating shaft be installed on described electrical motor of sewing machine, be installed on drive sprocket and the synchronous band of ring set on described motor sprocket and described drive sprocket on the driving shaft of described Sewing machines head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122785U CN201722498U (en) | 2010-02-11 | 2010-02-11 | Sewing machine and driving device shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122785U CN201722498U (en) | 2010-02-11 | 2010-02-11 | Sewing machine and driving device shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201722498U true CN201722498U (en) | 2011-01-26 |
Family
ID=43490811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201122785U Expired - Lifetime CN201722498U (en) | 2010-02-11 | 2010-02-11 | Sewing machine and driving device shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201722498U (en) |
-
2010
- 2010-02-11 CN CN2010201122785U patent/CN201722498U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |