CN108561468A - spring core - Google Patents
spring core Download PDFInfo
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- CN108561468A CN108561468A CN201810556497.3A CN201810556497A CN108561468A CN 108561468 A CN108561468 A CN 108561468A CN 201810556497 A CN201810556497 A CN 201810556497A CN 108561468 A CN108561468 A CN 108561468A
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- spring
- row
- donut
- orientation
- core
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- 235000012489 doughnuts Nutrition 0.000 claims description 45
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
- A47C27/06—Spring inlays
Abstract
The invention discloses a kind of spring core, the spring core includes multiple springs, and the spring is enclosed with end face, and the end face circle has end, the orientation of the end of a part of spring in multiple springs different from the orientation of the end of remaining spring.The spring core of the present invention preparation process or user using when be not easy to tilt, improve spring core weight and user's impression.
Description
Technical field
The present invention relates to spring manufacturing technology fields, more particularly, to a kind of spring core being used for mattress or sofa.
Background technology
Spring is widely used in the spring core of production mattress and sofa, and spring core includes multiple springs, the spring edge
It is longitudinally arranged into multirow and laterally spaced is arranged to multiple row.
However, in the related technology, spring core is easy to tilt after being pressurized, and influences spring core weight.For example, making in user
After the bed core or sofa core that are produced with spring core, people sleeps in bed core or is sitting on sofa core, and spring core is pressurized, bed core or sand
It sends out core and generates inclination, influence the quality and user's use feeling of mattress and sofa, there are improved demands.
Invention content
The application is made to the discovery of following facts and problem and understanding based on inventor：
In elastic core element, due to the particularity of spring shape, spring is unsymmetric structure, cause as a result, spring core by
It is easy to tilt after pressure, influences the quality of spring core, after being produced into spring bed core or sofa core, influence the matter of a core and sofa core
Amount and user's impression.Especially, tilt phenomenon is more serious during spring bed core flattens and is packaged or rolls up packet.
In addition, in spring core in the prior art, two ends of the end face circle of each spring are usually located at the spring
The same side, the spring of spring core is longitudinally arranged at multirow and along the multiple row that is arranged laterally at a spacing into of spring core, each
The end of the end face circle of spring in rows of springs is located at the same side of the rows of springs, the end face circle of the spring in each spring row
End is located at the same side of spring row, for example, the end of the end face circle of the spring in each rows of springs is located at the rows of springs
The end on right side, the end face circle of the spring in each spring row is located at the right side of spring row, in short, each orientation of spring
It is identical, thus it has been further exacerbated by above-mentioned tilt phenomenon.
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention carries
Gone out a kind of spring core, the spring core preparation process or user using when be not easy to tilt, improve spring core weight
Experience with user.
Spring core according to the ... of the embodiment of the present invention includes multiple springs, and the spring is enclosed with end face, the end face circle
With end, the orientation of the end of a part of spring in multiple springs is different from the orientation of the end of remaining spring.
Spring core according to the ... of the embodiment of the present invention, by the azimuth design of the end of multiple springs therein at difference, energy
Enough so that spring core preparation process or user using when be not easy to tilt, improve spring core weight and user's impression.
In some embodiments, the end face circle of each spring includes first end donut and second end donut, and described the
There is one end donut the first end, the second end donut to have the second end, the first end and second of each spring
End is located at the same side of the spring.
In some embodiments, throwing of the first end and the second end of each spring on the cross section of the spring
Shadow overlaps.
In some embodiments, the end face circle of each spring includes first end donut and second end donut, and described the
There is one end donut the first end, the second end donut to have the second end, the first end and second of each spring
End is located at the opposite side of the spring, the side in the orientation of the first end of a part of spring and the first end of remaining spring
Position is different, and the orientation of the second end of a part of spring is different from the orientation of the second end of remaining spring.
In some embodiments, throwing of the first end and the second end of each spring on the cross section of the spring
Shadow along the spring diametrically.
In some embodiments, the spring is that closed knotting spring is enclosed in the split ring of end face circle opening or end face.
In some embodiments, be located at each of the most peripheral spring of the spring core end deviate described in
The outside of spring core.
In some embodiments, multiple springs are arranged to rows and columns, and the row extends transversely and the row
It extends longitudinally, the end face circle of each spring includes first end donut and second end donut, and the first end donut has
There is the second end, the first end and the second end of each spring to be located at the bullet for first end, the second end donut
Institute is deviateed in the same side of spring positioned at the first end of each of the most peripheral of the spring core spring and the second end
The outside of spring core is stated, the first end of the spring in same row is identical with the orientation of the second end, a part of spring
Constitute first kind row, described remaining spring constitutes Second Type row, the first end of the spring in the first kind row and
The orientation of second end is opposite with the first end of the spring in Second Type row and the orientation of the second end.
In some embodiments, multiple springs are arranged to rows and columns, and the row extends transversely and the row
It extends longitudinally, is connected by string spring between the spring of adjacent rows.
In some embodiments, the end face circle of each spring includes first end donut and second end donut, adjacent rows
The first end donut of the spring be connected by the first string spring, the second end donut of the spring of adjacent rows passes through the second string
Spring is connected.
Description of the drawings
Fig. 1 is the overall schematic of spring core according to an embodiment of the invention；
Fig. 2 is the sectional view of spring core according to an embodiment of the invention；
Fig. 3 is the schematic diagram of the spring in spring core according to an embodiment of the invention；
Fig. 4 is the overall schematic of spring core in accordance with another embodiment of the present invention；
Fig. 5 is the sectional view of spring core in accordance with another embodiment of the present invention；
Fig. 6 is the schematic diagram of the spring in spring core in accordance with another embodiment of the present invention.
Reference numeral：
Spring 1, end face circle 11, end 110, first kind row 101, Second Type row 102.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.At this
In the description of invention, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitation of the present invention.
As shown in figures 1 to 6, spring core according to the ... of the embodiment of the present invention includes multiple springs 1, and each spring 1 has end face
Circle 11, end face circle 11 have end 110, the end in the orientation and remaining spring 1 of the end of a part of spring 1 in multiple springs 1
The orientation of head is different, and in other words, including in the spring core of multiple springs 1, the orientation of the end of multiple springs 1 is different.Specifically
Ground, multiple springs 1 are arranged to rows and columns, i.e., multiple springs 1 are at array arrangement, wherein row is extended transversely and arranged along longitudinal direction
Extend.Such as Fig. 2, shown in 4, multiple springs 1 in left-right direction at multigroup, arrange arranged for interval along the vertical direction by every group of spring 1
At multiple.Here, it defines laterally as left and right directions shown in Fig. 2,5, defines longitudinal for upper and lower directions shown in Fig. 2,5.At this
In the description of invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
Here, " end " of end face circle 11 refers to the head of spring wire, and " orientation of end " refers to the court of the end of spring 1
To and the end relative to the position where the row residing for the spring 1.For example, every group of multiple springs arranged along the vertical direction
In 1, the orientation of the end of each spring 1 refer to the end of each spring 1 direction and the end relative to this group of spring institute
Position.
It is understood that spring 1 can be the split ring (as shown in Figs. 1-3) of 11 opening of end face circle, or
11 closed knotting springs (as Figure 4-Figure 6) are enclosed in end face, and the present invention is not limited thereto.Here, " end face circle opening " is finger tip
It is not connected between donut 11 and adjacent circle, the end of end face circle 11 is spaced apart with neighbour's circle；" end face circle closing " refer to end face circle 11 with
Neighbour, which encloses, to be connected, such as 11 ends 110 that end face is enclosed enclose 11 with the adjacent connection enclosed to form knotting in knotting realization end face on neighbour's circle
Spring.As a result, the orientation of the end 110 of split ring refer to the opening of spring direction and the spring opening relative to
The position where row residing for the spring, the orientation of the end 110 of knotting spring refer to direction at the knotting of spring and should
Relative to the position where the row residing for the spring at spring knotting.
Specifically, there is each spring 1 first end donut and second end donut, first end donut to have the first end, the
Biend circle has the second end, and the first end and the second end of each spring 1 are respectively positioned on the same side of the spring 1.Change speech
It, the spring wire of each spring 1 has two heads, which is respectively positioned on the same side of the spring 1, here, needs to note
Meaning belongs to two ends as long as the phase angle between projection of two ends on the cross section of the spring is less than 180 °
Head is located at the same side of spring.
It is understood that the present invention is not limited thereto, for example, the first end and the second end of each spring 1 can be with
In the opposite side of the spring 1 or multiple springs 1, the first end and the second end of partial spring 1 are located at the spring 1
The same side, and the first end of partial spring 1 and the second end are located at the opposite side of the spring 1.Moreover, each spring 1
When first end and the second end are located at the opposite side of the spring 1, orientation and remaining spring of the first end of a part of spring 1
The orientation of 1 the first end is different, and the side in the orientation of the second end of a part of spring 1 and the second end of remaining spring 1
Position is different.In the description of the present invention, term " first ", " second " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include at least one of the features.
Each column spring has the first side and the second side, and the second side is opposite with the first side, for example, Fig. 2, shown in 5, each column bullet
First side of spring and the second side are opposite in the lateral direction, and each column spring has left and right side.Spring 1 in same row
The orientation all same of first end and the second end；The end orientation of spring 1 in different lines is different, i.e. spring in different lines
1 the first end orientation is different, and/or, the second end orientation of the spring in different lines is different.
Row are divided into first kind row 101 and Second Type row 102, the end and second of the spring 1 in first kind row 101
The orientation of the end of spring 1 in type column 102 is different, for example, the first end of the spring 1 in first kind row 101 and the
The orientation of two ends is opposite with the first end of the spring 1 in Second Type row 102 and the orientation of the second end.Specifically,
The first end and the second end of spring 1 in one type column 101 are located at the first side of the first kind row 101, and the first kind
The first end and the second end of each spring in type row 101 facing one direction, the spring 1 in Second Type row 102
The first end and the second end be located at the second sides of the Second Type row 102, and of the spring 1 in Second Type row 102
One end and the second end are towards other direction.
In other words, as shown in Fig. 2,5, in left-right direction in spaced apart multigroup spring, every group of spring is along the vertical direction
Arrangement, and there is every group of spring left and right side, multigroup spring to be divided into first group and second group, two of the spring 1 in first group
A end is respectively positioned on first group of the left side, and two ends of the spring 1 in first group are towards upper, the spring in second group
1 two ends are respectively positioned on second group of the right side, and under the direction of two ends of the spring 1 in second group, wherein first
Group corresponds to above-mentioned first kind row 101, and second group corresponds to above-mentioned Second Type row 102.
Spring core according to the ... of the embodiment of the present invention, multiple springs therein include the different groups of springs in the orientation of end,
I.e. by the azimuth design of the end of multiple springs at difference, enable to spring core preparation process or user using when be not easy
It tilts, improves spring core weight and user's impression.
In some embodiments, when the first end and the second end of each spring 1 are located at the same side of the spring 1, often
The first end and the second end of a spring 1 can be overlapped in the projection on the cross section of the spring 1.In other words, the two of spring 1
A end is opposite along the length direction (axial direction of spring 1) of the spring 1.
In some embodiments, when the first end and the second end of each spring 1 are located at the opposite side of the spring 1, often
Projection of the first end and the second end of a spring 1 on the cross section of the spring 1 can be along the spring 1 diametrically.
In other words, two ends of spring 1 along the spring 1 length direction be spaced apart and along spring 1 diametrically and arranged for interval.
In some embodiments, deviate spring core in the end for being located at each spring 1 of the most peripheral of spring core
Outside.For example, as shown in Fig. 2,5, the spring of the most peripheral of spring core has left column spring, right column spring, most uplink bullet
Spring and most downlink spring, the left side of left column are the outside of spring core, and the right side of right column is the outside of spring core, most upper
Capable upside is the outside of spring core, and the downside of most downlink is the outside of spring core, wherein each of left column spring
The end of spring 1 is respectively positioned on the right side of the row rather than the left side of the row, the equal position in end of each spring 1 in right column spring
The end of each spring 1 in the left side of the row rather than the right side of the row, most uplink spring is respectively positioned on the downside of the row, and
The end of the upside of the non-row, each spring 1 in the spring of most downlink is respectively positioned on the upside of the row rather than the downside of the row.
In some embodiments, it is connected by string spring 2 between the spring 1 of adjacent rows.Specifically, the spring 1 of adjacent rows
End face circle is connected by string spring 2, and the first end donut of the spring 1 of adjacent rows is connected by the first string spring 21, the bullet of adjacent rows
The second end donut of spring 1 is connected by the second string spring 22.
In some embodiments, first kind row 101 are transversely alternately arranged with Second Type row 102.In other words, first
Type column 101 is alternately arranged in the lateral direction with Second Type row 102.It is understood that it can be first to be alternately arranged
Type column 101 and Second Type row 102 can be alternately arranged one by one in left-right direction, can be multiple first kind
Row 101 and a Second Type row 102 are alternately arranged, and can also be multiple first kind row 101 and multiple Second Type row 102
It is alternately arranged.
Specifically, first kind row 101 and Second Type row 102 can replace cloth one by one in left-right direction
It sets, i.e., Second Type row 102 there are one tools between adjacent first type row 101, has between two neighboring Second Type row 102
One first kind row 101.
Multiple first kind row 101 and a Second Type row 102 are alternately arranged, specifically, multiple first kind row 101
First kind group is constituted, first kind group is transversely alternately arranged with Second Type row 102, wherein two neighboring Second Type arranges
Tool is there are one first kind group between 102, and there are one Second Type row 102 for tool between two neighboring first kind group.
Multiple first kind row 101 and multiple Second Type row 102 are alternately arranged, specifically, multiple first kind row 101
First kind group is constituted, multiple Second Type row 102 constitute Second Type group, and first kind group replaces with Second Type group to be set
It sets, tool is there are one Second Type group between two neighboring first kind group, and there are one for tool between two neighboring Second Type group
One type group, wherein the columns in each first kind group is same or different to each other with the columns in each Second Type group.It can
With understanding, first kind group and Second Type row 20 can be with columns having the same, it is possible to have different columns, example
As two row first kind row 101 and two row Second Type row 102 are alternately arranged or two row first kind row 101 and three arrange the
Two type columns 102 are alternately arranged.
Below with reference to the accompanying drawings 1, Fig. 2 and Fig. 3 describe the spring core according to the specific embodiment of the invention.
As shown in Figs. 1-3, spring core according to the ... of the embodiment of the present invention includes multiple springs 1, and multiple springs 1 are arranged to more
Row and multiple row, multiple springs arranged for interval in left-right direction in often going, multiple springs in each column arrange along the vertical direction, and
By going here and there, spring 2 is connected, and each column has left and right side between the spring of adjacent rows.
There is spring 1 end face to enclose 11, and end face circle has end 110, and specifically, end face circle 11 includes the axial direction along spring 1
There is the first end, second end donut to have the second end for first end donut and second end donut spaced apart, first end donut,
The first end and the second end of each spring 1 are located at the same side of the spring 1, and the first end of each spring and second end
Projection of the head on the cross section of the spring 1 overlaps, and spring 1 is the split ring of each end face circle opening.The spring of adjacent rows
First end donut by first string spring 21 be connected, between the second end donut of the spring of adjacent rows pass through second string 22 phase of spring
Even.
The first end and the second end of spring 1 in same row are respectively positioned on the same side of the row, and the bullet in same row
The first end and the second end of spring are towards same direction, and row are divided into first kind row 101 and Second Type row 101, the
A row are alternately arranged with connecing a row in left-right direction for one type column 101 and Second Type row 101, and specifically, spring core is most
Left column is first kind row 101, and the right column of spring core is Second Type row 102, and according to first kind row 101, second
Type column 102, first kind row 101, Second Type row 102 ... mode arrange.First kind row 101 have left side and the right side
Side, Second Type row 101 also have left and right side, the first end and the second end of the spring 1 in first kind row 101 equal
The first end and the second end of spring 1 positioned at the right side of the row, and in first kind row 101 are towards upper, i.e. the first kind
First end of multiple springs 1 in type row 101 is respectively positioned on the right side of the row, and of multiple springs 1 in first kind row 101
One end is towards upper, and the second end of multiple springs 1 in the row is respectively positioned on the right side of the row, in first kind row 101
Multiple springs 1 the second end towards upper；The equal position in the first end and the second end of spring 1 in Second Type row 102
The first end and the second end of spring 1 in the left side of the row, and in Second Type row 102 are equal under, i.e. Second Type
First end of multiple springs 1 in row 102 is respectively positioned on the left side of the row, and first of multiple springs 1 in Second Type row 102
End is under, and the second end of multiple springs 1 in the row is respectively positioned on the left side of the row, in Second Type row 102
Second end of multiple springs 1 is under.
Spring core in accordance with another embodiment of the present invention is described below with reference to Fig. 4, Fig. 5 and Fig. 6.As Figure 4-Figure 6,
Spring core includes multiple springs 1, and multiple springs 1 are arranged to rows and columns, often go in multiple springs in left-right direction between
Arranged along the vertical direction every multiple springs in arrangement, each column, the springs of adjacent rows is connected by going here and there spring, each column have left side and
Right side.
There is spring 1 end face to enclose 11, and end face circle 11 has end 110, and specifically, end face circle 11 includes the axis along spring 1
To first end donut and second end donut spaced apart, there is first end donut the first end, second end donut to have second end
Head, and the spring 1 is that 11 closed knotting springs are enclosed in each end face.
The other structures of spring core and operation shown in Fig. 4-6 can be identical as Fig. 1-3 illustrated embodiments, here no longer
Detailed description.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of spring core, which is characterized in that including multiple springs, the spring is enclosed with end face, and the end face circle has
The orientation of end, the end of a part of spring in multiple springs is different from the orientation of the end of remaining spring.
2. spring core according to claim 1, which is characterized in that the end face circle of each spring includes first end face
Circle and second end donut, the first end donut have the first end, and the second end donut has the second end, each described
The first end and the second end of spring are located at the same side of the spring.
3. spring core according to claim 1, which is characterized in that the first end and the second end of each spring
Projection on the cross section of the spring overlaps.
4. spring core according to claim 1, which is characterized in that the end face circle of each spring includes first end face
Circle and second end donut, the first end donut have the first end, and the second end donut has the second end, each described
The first end and the second end of spring are located at the opposite side of the spring,
The orientation of first end of a part of spring is different from the orientation of the first end of remaining spring, and the part
The orientation of second end of spring is different from the orientation of the second end of remaining spring.
5. spring core according to claim 1, which is characterized in that the first end and the second end of each spring
Projection on the cross section of the spring along the spring diametrically.
6. spring core according to claim 1, which is characterized in that the spring be end face circle opening split ring or
Closed knotting spring is enclosed in end face.
7. the spring core according to any one of claim 1-6, which is characterized in that be located at the outermost of the spring core
Deviate the outside of the spring core in the end of each of all springs.
8. spring core according to claim 1, which is characterized in that multiple springs are arranged to rows and columns, institute
State that row extends transversely and the row extend longitudinally, the end face circle of each spring includes first end donut and second end face
There is the first end, the second end donut to have the second end, the first end of each spring for circle, the first end donut
Head and the second end are located at the same side of the spring, are located at the first end of each of the most peripheral of the spring core spring
The outside of the spring core, the orientation of the first end and the second end of the spring in same row are deviateed in head and the second end
Identical, a part of spring constitutes first kind row, remaining described spring constitutes Second Type row, during the first kind arranges
The first end of spring and the spring in orientation and the Second Type row of the second end the first end and the second end
Orientation it is opposite.
9. spring core according to claim 1, which is characterized in that multiple springs are arranged to rows and columns, institute
State row extend transversely and it is described row extend longitudinally, between the spring of adjacent rows by go here and there spring be connected.
10. spring core according to claim 9, which is characterized in that the end face circle of each spring includes first end
The first end donut of donut and second end donut, the spring of adjacent rows is connected by the first string spring, the bullet of adjacent rows
The second end donut of spring is connected by the second string spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556497.3A CN108561468A (en) | 2018-06-01 | 2018-06-01 | spring core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556497.3A CN108561468A (en) | 2018-06-01 | 2018-06-01 | spring core |
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| CN108561468A true CN108561468A (en) | 2018-09-21 |
Family
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| CN201810556497.3A Pending CN108561468A (en) | 2018-06-01 | 2018-06-01 | spring core |
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| CN2607894Y (en) * | 2003-03-07 | 2004-03-31 | 礼恩派集团 | Compressible packed spring bed net |
| CN2640331Y (en) * | 2003-06-09 | 2004-09-15 | 礼恩派集团 | Alternate arranged spring bed net |
| CN2721962Y (en) * | 2003-09-29 | 2005-08-31 | 礼恩派(广州)有限公司 | Compressible packed spring and bed net |
| US20050235426A1 (en) * | 2004-04-23 | 2005-10-27 | Bedding Component Manufacturers (Proprietary) Limited. | Mattress inner spring assembly |
| CN1640345A (en) * | 2005-01-08 | 2005-07-20 | 雅思床褥家具(广州)有限公司 | Helical spring configuration structure for mattress spring assembly |
| DE202005001760U1 (en) * | 2005-02-04 | 2005-06-09 | Weber, Erhard, Dr. | Mattress core comprises spiral springs with middle ring halfway up for connection in adjoining rows to spiral wires on diametrically opposite sides of rings |
| CN102802468A (en) * | 2010-06-23 | 2012-11-28 | L&P产权管理公司 | Spring core having border wire with generally rectangular cross-section |
| CN106579864A (en) * | 2017-01-20 | 2017-04-26 | 宁波市望春姚氏床垫机械有限公司 | Spring arrangement method and spring arrangement device |
| CN208417351U (en) * | 2018-06-01 | 2019-01-22 | 浙江华剑智能装备有限公司 | spring core |
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