KR101718229B1 - Foundation for matress cushion and method of manufacturing the same - Google Patents

Abstract

The present invention relates to an upper mattress and a lower mattress which are symmetrical with respect to a cushion spring so that they can be easily manufactured, a separate helical coil is unnecessary as in the prior art and the manufacturing process is simple, And a manufacturing method thereof.
The upper mattress according to a preferred embodiment of the present invention includes: a plurality of cushion springs which are arranged in a lattice at regular intervals to shrink while elastically repelling the compression force; A lower spring cap coupled to a lower end of the cushion spring; An upper spring cap coupled to an upper end of the cushion spring; A lower cap balance mesh having a plurality of steel wires arranged in a row and intersecting each other in a shifted + -shape, and having a steel wire intersecting with the lower spring cap, and maintaining balance of the lower spring cap during a cushioning operation of the cushion spring; And an upper cap balance mesh having a plurality of steel wires arranged in a row and intersecting each other in a shifted + -shape so as to have a steel wire intersecting with the upper spring cap and to maintain balance of the upper spring cap during a cushioning operation of the cushion spring .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an upper mattress,

The present invention relates to an upper mattress and a method of manufacturing the same. More particularly, the present invention relates to a mattress which is symmetrical with respect to a cushion spring, and which is easy to manufacture and which does not require a separate helical coil, To an upper mattress and a method for manufacturing the upper mattress.

Generally, the upper mattress indicates that the upper mattress is located at the top when the mattress is stacked. The top mattress is placed on the top of the bottom mattress when using the mattress to absorb shocks to provide cushioning comfort for the body and to disperse the impact of the mattress to the bottom mattress.

In the case of the conventional upper mattress, the lower end of the cushion spring is supported on the lower frame member at the time of manufacture, the upper frame member is connected to the upper portion of the cushion spring, and the coil spring is disposed at the upper and lower portions to catch movement between the adjacent cushion springs A work process to connect the cushion spring was added. In this case, not only is the work difficult, but also the assembly time is prolonged and the productivity is lowered.

As a background of the present invention, Korean Patent Registration No. 10-0372273, entitled " Inner spring assembly for a mattress, " has been proposed. The 'inner spring assembly for a mattress' is applied to an upper mattress, and includes coil springs arranged in a plurality of rows and columns so as to be vertically aligned and mutually orthogonal, and upper and lower circuits of adjacent coil springs, Wherein the coil spring includes a helical coil and a rim wire which surrounds the coil springs at the outer periphery of each row and column, wherein an extension part of a predetermined height is provided at at least one end of each of the coil springs, Are connected to each other along the row or the column.

Therefore, the background art requires a fabrication process of installing a helical coil for mutually coupling the upper and lower circuits of the coil springs to fabricate the upper mattress. Therefore, the operator has to connect the upper helical coil and the lower helical wires of the coil springs through the operation of winding the long helical coil, so that the connecting operation is difficult and the assembly time is prolonged and the productivity is lowered.

Korean Patent Registration No. 10-0372273 (Inner spring assembly for a mattress)

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a cushion spring having a symmetrical structure with respect to a cushion spring, which is easy to manufacture and requires no additional helical coil, So that the installation and cushion can be significantly improved, and a manufacturing method thereof.

According to a preferred embodiment of the present invention,

A plurality of cushion springs arranged at predetermined intervals in a lattice shape to shrink while elastically repelling the compressive force;

A lower spring cap coupled to a lower end of the cushion spring;

An upper spring cap coupled to an upper end of the cushion spring;

A lower cap balance mesh having a plurality of steel wires arranged in a row and intersecting each other in a shifted + -shape, and having a steel wire intersecting with the lower spring cap, and maintaining balance of the lower spring cap during a cushioning operation of the cushion spring;

And an upper cap balance mesh having a plurality of steel wires arranged in a row and intersecting each other in a shifted + -shape so as to have a steel wire intersecting with the upper spring cap and to maintain balance of the upper spring cap during a cushioning operation of the cushion spring .

Further, the cushion spring has an annular end portion wound in the same direction in a circular shape at the lower end and an upper end, and a portion connecting the both annular end portions is a spiral wound portion wound in a Z-shape.

Further, the upper spring cap and the lower spring cap have the same structure,

A flat circular cap flange;

A cylindrical portion protruding from a bottom surface of the cap flange and having an annular groove for engaging a spring;

A tapered portion extending from the cylindrical portion;

A cap connecting hole formed vertically through the center of the cap flange;

And a steel wire binding slot formed in a direction orthogonal to the cylindrical portion and intersecting with each other with a gap equal to a displacement height of the intersecting steel wire.

Further, the bottom surface of the cap flange is further provided with a steel wire fixing block having fixing grooves that are fixed to the steel wire at four places so as to widen the supporting position of the spring cap supported at the intersection of the steel wire.

Further, the tapered portion is further provided with a spring guide protrusion for guiding the assembly of the cushion spring.

Further, the tapered portion is further provided with a spring guide groove for guiding the assembly of the cushion spring.

The cap synchronizer further includes a cap synchronizer for connecting an adjacent spring cap located at the upper side to synchronize the vertical movement of the spring cap with the neighboring spring cap by increasing the buffer area.

Further, the cap synchronizer may be a straight type,

A coupling head tapered to both ends of the cap coupling hole of the spring cap;

An arm connecting both of the coupling heads;

A steel wire binding slot positioned in mutually orthogonal directions for binding steel wires to the coupling head;

And a steel wire separation preventing groove for preventing the steel wire from separating from the steel wire is provided on the bottom surface of the arm.

In addition, the cap synchro- nizer is a cross-

A central coupling head portion taperably engaged with the cap coupling hole of any one selected spring cap;

Four arms each having one end circumferentially connected to the centering head portion and arranged at intervals of 90 degrees;

An edge coupling head connected to the other end of each of the four arms to be engaged with four neighboring spring caps of the selected one spring cap;

A steel wire binding slot positioned in mutually orthogonal directions for binding steel wires to the center and edge coupling heads;

A wire detachment prevention groove is provided on a bottom surface of the arm to prevent the wire from separating from the steel wire;

And the distance between the center of the center coupling head and the edge coupling head is the same or different from each other.

Meanwhile, in the method of manufacturing the lower mattress according to the present invention,

Selecting the intersections of the steel wires on the lower cap balance mesh and binding the lower spring caps to arrange them in a grid;

Selecting an upper cap balance mesh intersection wire intersection to bind and arrange the upper spring caps;

Engaging the lower end of the cushion spring with the annular groove for engaging the spring of the lower spring cap to assemble the cushion spring to the lower spring cap;

And attaching the upper spring cap to the cushion spring by fastening the spring coupling annular groove of the upper spring cap to the upper end of the cushion spring.

The method further comprises assembling the cap synchronizer further on the neighboring upper spring cap to synchronize the increase of the buffer area with the vertical movement of the neighboring spring cap.

According to the upper mattress of the present invention, the spring cap used as the cushion point can be easily and easily installed by fitting the spring cap through the steel wire binding slot.

In addition, the vertical movement of the spring cap supported by the cushion spring is not independent, but occurs simultaneously with the neighboring spring cap through the cap synchronizer, so that the vertical movement is induced without inclination, the shock is dispersed, It is greatly improved.

Further, the spring cap has an advantage that the spring cap is easily assembled to the cushion spring by using a spring-engaging annular groove or a binding hemispherical projection on the spring cap.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention, Shall not be construed as limiting.
1 is a partial perspective view of an upper mattress according to the present invention;
Fig. 2 is an installation view of one type of cap synchronizer applied to the present invention. Fig.
FIG. 3 is a view showing another embodiment of a cap synchronizer applied to the present invention. FIG.
4 is an exploded perspective view of a spring cap and a cushion spring according to the present invention.
5 is an assembled state diagram of Fig.
6 and 7 are a bottom perspective view and a front sectional view of a spring cap according to the present invention.
8 and 9 are exploded perspective views and assembled state views of a modified spring cap and a cushion spring applied to the present invention.
10 is a front sectional view of another modified spring cap applied to the present invention.
11 is a front sectional view of another modified spring cap applied to the present invention.
12A and 12B are a perspective view and a front cross-sectional view of one embodiment of a cap synchronizer applied to the present invention.
12C is a perspective view of another type of cap synchronizer applied to the present invention.
13 is a modified perspective view of a cushion spring according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto.

The upper mattress 10 of the present invention is applied to an upper mattress when the mattresses are stacked in a double bed. The upper mattress 10 primarily absorbs the buffer and transmits the buffer supporting force to the lower mattress secondarily.

In particular, the upper mattress 10 of the present invention can be easily and easily constructed by inserting the upper spring cap 16 and the lower spring cap 16a, which are used as cushion points as shown in FIG. 1, Up operation of the upper spring cap 16 supported by the spring cap 14 is not performed independently but is performed simultaneously with the neighboring spring caps 16 so that vertical movement is generated without inclination and the shock is dispersed, So that it can be greatly improved. And the mounting and assembling of the cushion spring 14 can be facilitated. The lower spring cap 16a and the lower cap balance mesh 18a corresponding to the upper spring cap 16 and the upper cap balance mesh 18 located at the upper portion with respect to the cushion spring 14 have the same structure It is advantageous in that the assembly process is easy and the manufacturing process is simplified because a separate helical coil for holding the buffer spring as in the prior art is not needed.

1, the upper mattress 10 of the present invention basically includes a cushion spring 14, upper and lower spring caps 16 and 16a, and upper and lower cap balance meshes 18 and 18a. do. In addition, two types of cap synchronizers 20 and 20 'may be further configured as shown in FIGS.

As shown in FIGS. 1 and 4, the cushion springs 14 are arranged in a lattice at regular intervals, and are contracted and restored while resiliently repelling the compression force. The cushion spring 14 is assembled between the upper and lower spring caps 16 and 16a and installed at each intersection of the upper and lower cap balance meshes 18 and 18a. Therefore, the cushion spring 14 provides the cushioning force through the buffering action of elastic shrinkage.

4 and 5, the lower end and the upper end of the cushion spring 14 form annular ends 141 and 142, respectively, which are circularly wound in the same direction, and the portions connecting the annular ends 141 and 142 are helically wound Shaped portion 143 to form a Z-shape. Preferably, as shown in Fig. 13, the cushion spring 14 is wound in a spiral shape to increase the elastic repulsive force.

In this way, in the present embodiment, the cushion spring 14 has a Z-shaped shape and is excellent in elastic repulsive force and has the advantage of being capable of compressive resistance against a large force.

As shown in Figs. 6 and 7, the upper and lower spring caps 16 and 16a are coupled to the upper ends of the cushion springs 14, respectively, to act as a fulcrum of the cushion.

The upper and lower spring caps 16 and 16a have the same structure and are assembled and arranged to face each other. The upper and lower spring caps 16 and 16a each have a flat circular cap flange 161 and a cylindrical portion 162 protruding from the lower surface of the cap flange 161 and having a spring coupling annular groove 162a, A cap connecting hole 163 vertically penetrating the center of the cap flange 161 and a cap connecting hole 163 extending in the direction perpendicular to the cylindrical portion 162, 165 which are mutually intersecting with a gap G equal to the offset height of the first and second guide plates 181, 182 are provided. The steel wire binding slots 164 and 165 are formed at a predetermined interval from the lower part to the upper part of the cylindrical part 162.

The upper and lower spring caps 16 and 16a are provided with steel wire binding slots 164 and 165 formed by cutting the upper portion of the cylindrical portion 162 from the lower portion to the upper portion. As shown in FIGS. 4 and 5, The lower spring caps 16 and 16a are fitted into the upper and lower cap balance meshes 18 and 18a, respectively, so that the assembled joints can be easily assembled to the steel wires 181 and 182.

8 and 9, the upper and lower spring caps 16 and 16a are additionally provided with four mounting grooves 166a which are fixed to the steel wires 181 and 182 at four positions on the bottom surface 90 of the cap flange 161 And a wire-laying block 166 may be further provided. In this case, the supporting position of the spring cap 16, which is supported on the intersection 183 of the upper and lower cap balance meshes 18 and 18a, is widened so that the upper and lower spring caps 16 ) Can be maintained in a stable posture.

10, the upper and lower spring caps 16 and 16a may further include a spring guide protrusion 169a for guiding the assembly of the annular end portion 142 of the cushion spring 14 to the tapered portion 169 have. Alternatively, a spring guide groove 169b may be formed in the tapered portion 169 to guide the assembly of the annular end 142 of the cushion spring 14, as shown in FIG. The spring guide projection 169a and the spring guide groove 169b are formed along the spiral direction on the tapered portion 169 so that the annular end portion 142 of the cushion spring 14 is guided, Thereby being easily assembled into the groove 162a.

As shown in FIGS. 1, 3 and 4, the upper and lower cap balance meshes 18 and 18a have the same structure and are arranged to face each other. The upper and lower cap balance meshes 18 and 18a are formed by a plurality of steel wires 181 and 182 ) Intersecting each other in a shifted + -shape, and have a steel wire intersection (183) which is engaged with the spring cap (16). The upper cap balance mesh 18 balances the spring cap 16 through the steel wires 181 and 182 when the spring cap 16 is moved.

As shown in FIGS. 2 and 12, the present invention is characterized in that the upper cap (16) and the cap (16) are connected to each other to increase the buffer area and the vertical movement of the spring cap (16) The synchronizer 20 or 20 'may be further provided.

The cap synchronizer 20 may be configured in two forms.

12A and 12B, the cap synchronizer 20 of the first embodiment is formed in a straight shape.

As shown in FIGS. 12A and 12B, the coupling head 201 and the coupling head 201 'are taperedly coupled to the cap coupling hole 163 of the upper spring cap 16 at both ends, and the coupling heads 201 and 201' A plurality of slots 202 and 203 for connecting steel wires are arranged in mutually orthogonal directions to bind steel wires 181 and 182 to coupling heads 201 and 201 ' 182) for preventing the detachment of the wire detachment preventing groove (205).

As described above, the first type of cap synchronizer 20 connects the neighboring spring caps 16 and 16 as shown in FIG. 2, so that the other one of the adjacent spring caps 16 and 16 is also operated as a cap synchronizer 20 to increase the buffering force and to induce the stable and vertical movement posture of the spring cap 16 to be operated.

At this time, the first type of cap synchronizer 20 can be arranged in the upper cap balance mesh 18 in various patterns.

As shown in FIGS. 3 and 12C, the second type of cap synchronizer 20 'is formed in a cross shape.

This is achieved by a central coupling head 201a which is taperably engaged with the cap coupling hole 163 of one of the selected spring caps 16 as shown in Figures 3 and 12c, Four arms 202a connected at one end to each other at intervals of 90 degrees and four arms 202a connected to the other ends of the four arms 202a and connected to the four spring caps 16 adjacent to one selected spring cap 16 And the steel wire binding slots 203 and 204 which are positioned in mutually orthogonal directions for binding the steel wires 181 and 182 to the center and edge coupling heads 201a and 201a ' And a steel wire separation preventing groove 205a for preventing the steel wire 181 or 182 from separating from the bottom surface of the arm 202a.

Thus, the second type of cap synchronizer 20 'has one upper spring cap 16 at the center and four upper spring caps 16, 16, 16, 16 are interlocked with each other through the cap synchronizer 20 to increase the buffering force and to induce the stable and vertical movement posture of the spring cap 16 to be operated .

It is needless to say that the distances L1 and L2 between the center of the central coupling head 201a and the edge coupling head 201a 'may be the same or different from each other.

A method of manufacturing the upper mattress thus constructed will be described.

First, as shown in FIG. 1 and FIG. 4, the lower wire cap intersection 183a is selected in the lower cap balance mesh 18a, and the lower spring cap 16a is bound and arranged in a lattice.

Then, each of the wire intersections 183 is selected in the upper cap balance mesh 18, and the upper spring caps 16 are bound and arranged.

The lower end of the cushion spring 14 is then engaged with the annular groove 162a for spring coupling of the lower spring cap 16a so that the cushion spring 14 is assembled to the lower spring cap 16a.

Then the annular groove 162a for binding the upper spring cap 16 is fastened to the upper end of the cushion spring 14 and the upper spring cap 16 is assembled to the cushion spring 14. [

Thereafter, the above-described various types of cap synchronizers 20 or 20 'may be further assembled. The cap synchronizer 20 of the first embodiment is assembled to the upper spring cap 16 through the coupling heads 201 and 201 'as shown in FIG. 2, and the cap synchronizer 20' And is assembled to the upper spring cap 16 through the center coupling head 201a and the edge coupling head 201a '.

As described above, the upper mattress 10 according to the present invention can be easily and easily constructed by inserting the upper and lower spring caps 16 and 16a used as cushion points through the slots for binding steel wires 164 and 165 have.

The upward and downward movement of the upper spring cap 16 supported by the cushion spring 14 is not performed independently but is performed simultaneously with the adjacent upper spring caps 16 and 16 via the cap synchronizer 20 or 20 ' So that vertical movement is induced without inclination, and the cushion is significantly improved by dispersing the impact.

The cushion spring 14 is coupled to the spring coupling annular groove 162a of the spring cap 16 through the spring guide protrusion 169a and the spring guide groove 169b to facilitate assembly.

The lower spring cap 16a and the lower cap balance mesh 18a are symmetrically opposed to the upper spring cap 16 and the upper cap balance mesh 18 located at the upper portion with respect to the cushion spring 14, So that the coil spring is unnecessary for holding the buffer spring as in the prior art and the manufacturing process becomes simpler.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. will be. The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

14: Cushion spring
141, 142: annular end
143:
16: upper spring cap
16a: Lower spring cap
18: Upper cap balance mesh
18a: Lower cap balance mesh
181,182:
183: Steel wire intersection
20,20 ': Cap synchronizer

Claims (11)

A plurality of cushion springs (14) arranged in a lattice at regular intervals to shrink while elastically repelling the compressive force;
A lower spring cap 16a coupled to a lower end of the cushion spring 14;
An upper spring cap 16 coupled to an upper end of the cushion spring 14;
A plurality of steel wires 181a and 182a are disposed in a row and intersect with each other in a shifted shape so as to intersect with the lower spring cap 16a to form a steel wire intersection 183a. In the buffering operation of the cushion spring 14, A lower cap balance mesh 18a that keeps the balance of the cap 16a balanced;
A plurality of steel wires 181 and 182 are disposed in a row and intersect with each other in a shifted shape so as to intersect the upper spring cap 16 and the steel wire intersection 183. In the buffering operation of the cushion spring 14, And an upper cap balance mesh (18)
The upper spring cap 16 and the lower spring cap 16a have the same structure,
A flat circular cap flange 161;
A cylindrical portion 162 protruding from a lower surface of the cap flange 161 and having a spring engaging annular groove 162a;
A tapered portion 169 extending from the cylindrical portion 162;
A cap connecting hole 163 vertically penetrating the center of the cap flange 161;
Characterized in that a slot for connecting steel wires (164, 165) is formed in a direction orthogonal to the cylindrical portion (162) and crossing each other with a gap (G) equal to the offset height of the intersecting steel wires (181, . The method according to claim 1,
The cushion spring (14)
The lower end and the upper end of each of the annular end portions 141 and 142 form annular end portions 141 and 142 wound in the same direction in a circular shape and the portions connecting the annular end portions 141 and 142 are spirally wound to form a Z- The upper mattress as. delete The method according to claim 1,
The bottom surface of the cap flange 161 is provided with four mounting grooves 166a which are fixed to the steel wires 181 and 182 so as to widen the support position of the spring cap 16 supported by the intersecting portions 183 and 183a, And a steel wire fixing block (166) having an upper surface and a lower surface. The method according to claim 1,
Wherein a spring guide protrusion (169a) for guiding the assembly of the cushion spring (14) is further formed on the tapered portion (169). The method according to claim 1,
And a spring guide groove (169b) for guiding the assembly of the cushion spring (14) is further formed on the tapered portion (169). The method according to claim 1,
And a cap synchronizer (20 or 20 ') for connecting the adjacent spring caps (16 and 16) located at the upper portion to increase the buffer area and synchronize the vertical movement of the spring cap with the neighboring spring caps. Top mattress. 8. The method of claim 7,
The cap synchronizer 20 is a straight type,
A coupling head 201, 201 'tapered at both ends to the cap coupling hole 163 of the spring cap 16;
An arm 202 connecting both coupling heads 201 and 201 ';
Steel wire binding slots (203, 204) positioned in mutually orthogonal directions for binding the steel wires (181, 182) to the coupling heads (201, 201 ');
And a steel wire separation preventing groove (205) for preventing the steel wire (181 or 182) from being separated from the bottom surface of the arm (202). 8. The method of claim 7,
The cap synchronizer 20 'is a cross-
A central coupling head 201a which is taperably engaged with the cap coupling hole 163 of one selected spring cap 16;
Four arms 202a, one end of which is circumferentially connected to the central coupling head 201a and arranged at intervals of 90 degrees;
An edge coupling head 201a 'connected to the other end of each of the four arms 202a to be engaged with four neighboring spring caps 16 of the selected one spring cap 16;
A steel wire binding slot 203, 204 positioned in mutually orthogonal directions for binding the steel wires 181, 182 to the center and edge joining heads 201a, 201a ';
A wire detachment prevention groove 205a is provided on the undersurface of the arm 202a to prevent the wire 202 from separating from the steel wire 181 or 182;
And the distance (L1 and L2) between the center of the center joining head part (201a) and the edge joining head part (201a ') are the same or different from each other. delete delete

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