Bed sheet fixing device for reinforcing installation

Abstract

The invention discloses a bed sheet fixing device for reinforced installation, which is characterized in that on the basis that the bed sheet fixing device is connected with a vertical surface layer of a mattress, the vertical surface layer of the mattress or the bed sheet fixing device is additionally connected with other structural parts which are more stable relative to the vertical surface layer of the mattress in the mattress, so that the stability of the bed sheet fixing device installed on the mattress is improved; when the bed sheet fixing device is operated, the vertical surface layer of the mattress is correspondingly stressed after the bed sheet fixing device is connected and fixed with the bed sheet and can be directly transferred to other more stable structural parts of the mattress, so that the process of operating the bed sheet fixing device is more stable and effective, and the vertical surface layer of the mattress can be prevented from being loosened and deformed due to the influence of related stress.

Description

Technical Field

[0001] The invention relates to the technical field of mattresses, in particular to the assembly of a bed sheet fixing device and a mattress. Background Art

[0002] In order for a mattress to have the function of fixing sheets, it is usually necessary to install a sheet fixing device on the vertical surface of the mattress. The vertical surface of the mattress is generally a surface layer surrounding the core material inside the mattress, but the vertical surface layer of the mattress is not connected to the core material of the mattress. At the same time, the vertical surface layer of the mattress is mostly a cloth made of cloth, sponge and tulle on the back. In short, no matter what material the vertical surface layer of the mattress is made of, as a part of the surface of soft furniture such as the mattress, its material requirement is soft; in addition, the vertical surface layer of the mattress is only connected to the surface layer and the bottom layer of the mattress at its upper and lower sides respectively, and the pulling force on the middle part of the vertical surface layer of the mattress will be transferred to the lower side and / or the upper side; therefore, the vertical surface layer of the mattress has poor tolerance to pulling, which is not conducive to the stable installation of the sheet fixing device, nor is it conducive to the operation and use of the sheet fixing device after installation.

[0003] If the sheet fixing device is installed only relying on the vertical surface of the mattress, then both the force applied to the vertical surface layer of the mattress when operating the sheet fixing device and the force applied to the vertical surface layer of the mattress when connected to the sheet through the sheet fixing device will obviously have an adverse effect on the vertical surface layer of the mattress, causing the vertical surface layer of the mattress to become loose and deformed. Summary of the invention

[0004] In view of the above-mentioned related technical problems, the present invention provides a reinforced sheet fixing device to solve them.

[0005] A reinforced sheet fixing device, the sheet fixing device being attached to the vertical surface layer of the mattress;

[0006] The vertical surface layer is connected to the core material of the mattress, or the sheet fixing device is also connected to one or more of the lower edge, core material, and bottom layer of the mattress.

[0007] Preferably, the sheet fixing device is connected to the lower edge and the bottom layer through a reinforcement belt, the vertical surface layer is the surrounding cloth, the reinforcement belt is attached to the surrounding cloth, the sheet fixing device is mounted on the surrounding cloth and the reinforcement belt, the lower edge includes a lower surrounding edge belt, the lower surrounding edge belt wraps the lower edge of the surrounding cloth, the lower end of the reinforcement belt, and the edge of the bottom layer, and the lower surrounding edge belt, the surrounding cloth, the reinforcement belt, and the bottom layer are sewn together.

[0008] Furthermore, the reinforcement belt is located on the back of the apron, and the reinforcement belt comprises a mounting plate, the mounting plate is fixedly connected to the reinforcement belt as a whole, and the mounting plate is provided with a mounting plate mounting hole.

[0009] Furthermore, the reinforcement belt is located on the back side of the apron and is at least partially adhered to the back side of the apron.

[0010] Furthermore, the surrounding cloth and the reinforcement belt are both provided with ventilation openings, and the bed sheet fixing device is provided with ventilation holes and / or ventilation notches corresponding to the ventilation openings.

[0011] Preferably, the back of the sheet fixing device or an object connected to its back is provided with a reinforcement connection hole, the core material includes an upper frame bar, a support spring, and a lower frame bar, and the sheet fixing device is connected to one or more of the upper frame bar, the support spring, and the lower frame bar through the reinforcement connection hole.

[0012] Furthermore, the vertical surface layer is a surrounding cloth, the surrounding cloth is provided with a ventilation hole, the back of the sheet fixing device is provided with a ventilation tube corresponding to the ventilation hole, and the tube wall of the ventilation tube is provided with the reinforced connecting hole.

[0013] Preferably, the vertical surface layer is a cloth, the cloth is provided with a ventilation opening, the back of the sheet fixing device is provided with a ventilation tube corresponding to the ventilation opening, the tail end of the ventilation tube is provided with an end face structure, the end face structure is fixedly connected to the tube wall of the ventilation tube, the end face structure has gaps between both sides and the tube wall, the core material includes an upper frame bar, a support spring, and a lower frame bar, and the sheet fixing device is connected to one or more of the upper frame bar, the support spring, and the lower frame bar through the end face structure.

[0014] Furthermore, the bed sheet fixing device includes a pressing cap, the air-permeable tube has an external thread, and the air-permeable tube is equipped with the pressing cap correspondingly, and the pressing cap has an internal thread.

[0015] Furthermore, the sheet fixing device is connected to the lower edge and / or the bottom layer through a reinforcement belt, the vertical surface layer is the cloth, the reinforcement belt is attached to the cloth, the sheet fixing device includes a fixing part and a mounting plate, a positioning protrusion structure is provided between the fixing part and the mounting plate, the fixing part is located on the front side of the cloth, the reinforcement belt and the mounting plate are located on the back side of the cloth, wherein the positioning protrusion structure faces the cloth, the sheet fixing device is mounted on the cloth and the reinforcement belt through a threaded structure, and the mounting plate cooperates with the fixing part to clamp the cloth and the reinforcement belt.

[0016] In summary, it can be seen that the beneficial effects of the present invention are:

[0017] 1. On the basis of the sheet fixing device being attached to the vertical surface layer of the mattress, the vertical surface layer of the mattress or the sheet fixing device is additionally connected to other structural parts of the mattress that are more stable relative to the vertical surface layer of the mattress, thereby improving the stability of the sheet fixing device installed on the mattress, so that the corresponding force of the vertical surface layer of the mattress when operating the sheet fixing device and after the sheet is connected and fixed can be more directly transferred to other more stable structural parts of the mattress, making the process of operating the sheet fixing device more stable and effective, and preventing the vertical surface layer of the mattress from being loosened and deformed due to the influence of the relevant force;

[0018] Second, the mounting piece and the reinforcement belt are fixedly connected as one body, and they serve two purposes. The mounting piece can expand the mounting contact surface between the sheet fixing device and the mattress cloth on the back of the mattress cloth, and can cooperate with the fixing part of the sheet fixing device to clamp the mattress cloth more fully. The mounting piece plays a reinforcing role in the mounting of the sheet fixing device and the mattress cloth, and the reinforcement belt is more resistant to pulling than the mattress cloth. The reinforcement belt plays a role of extending the connection and strengthening the structure in the connection between the sheet fixing device and the lower edge and bottom layer of the mattress. Compared with the mounting piece and the reinforcement belt being assembled separately, the mounting piece and the reinforcement belt are fixedly connected as one body, and the structure is simple, which can make the reinforcement installation of the sheet fixing device more coherent, direct, reliable and effective.

[0019] 3. The reinforcement tape is pasted on the back of the apron, which is conducive to the rapid positioning and processing of the reinforcement tape on the back of the apron;

[0020] Fourth, the sheet fixing device integrates the two functions of ventilation and sheet fixing, that is, the sheet fixing device can simultaneously serve as the ventilation eye of the mattress and the sheet fixing device, so that the appearance of the mattress can be as simple as possible while realizing the two functions of internal ventilation and sheet fixing;

[0021] 5. The end surface structure provides a connection fulcrum for the sheet fixing device to connect to the core material of the mattress and can prevent foreign matter from entering the interior of the mattress through the air tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the appearance structure of a mattress with a reinforced sheet fixing device of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the facade surface layer, reinforcement strip, lower edge strip, lower piping strip, bottom layer, upper edge strip, upper piping strip, and surface layer of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the apron and a reinforcing belt of the present invention (including a partial enlarged diagram of the apron where the reinforcing belt is attached);

[0025] Figure 4It is a schematic diagram of the structure of the apron and another reinforcement belt of the present invention (including a partial enlarged diagram of the apron where the reinforcement belt is attached);

[0026] Figure 5 It is a schematic diagram of the structure of the apron and another reinforcement belt of the present invention (including a partial enlarged diagram of the apron where the reinforcement belt is attached);

[0027] Figure 6 It is a structural schematic diagram of the upper frame bar, the supporting spring and the lower frame bar of the present invention;

[0028] Figure 7 It is a schematic diagram of the structure in which the apron and the reinforcing belt including the mounting plate of the present invention are mounted on the ventilating tube via a pressing cap, and the end surface structure is penetrated with a cable tie;

[0029] Figure 8 It is a structural schematic diagram of the back side of a bed sheet fixing device of the present invention when it is opened upright;

[0030] Fig. 9 It is a structural schematic diagram of the back side of another bed sheet fixing device of the present invention when it is opened upright;

[0031] Fig.10 It is a front structural schematic diagram of another bed sheet fixing device of the present invention when it is laid flat and opened;

[0032] Fig.11 It is a front structural schematic diagram of another bed sheet fixing device of the present invention when it is laid flat and opened;

[0033] Fig.12 This is a structural schematic diagram of the back side, mounting plates and bolts of another bed sheet fixing device of the present invention when it is opened upright.

[0034] In the figure:

[0035] 1-sheet fixing device; 2-fixing part; 3-fixing attachment hole; 4-main fixing plate; 5-ventilation hole; 6-ventilation notch; 7-surrounding wall; 8-top wall; 9-bottom wall; 10-bottom wall air hole; 11-left side wall; 12-left side wall air hole; 13-right side wall; 14-right side wall air hole; 15-back plate; 16-back plate air hole; 17-ventilation cylinder; 18-cylinder hole; 19-end surface structure; 20-gap; 21-pressing cap; 22-mounting piece; 23-mounting piece mounting hole; 24-mounting piece air hole; 25-buckle; 26-positioning protruding structure; 27-positioning convex point; 28-positioning concave structure; 29-positioning concave Pit; 30-positioning hole; 31-operating part; 32-threaded structure; 33-mounting bolt; 34-reinforcement connection hole; 35-mattress; 36-vertical surface layer; 37-ventilation port; 38-surrounding cloth; 39-surrounding cloth mounting hole; 40-surrounding cloth ventilation port; 41-reinforcement belt; 42-reinforcement belt mounting hole; 43-reinforcement belt air hole; 44-rivet; 45-rivet air hole; 46-lower edge; 47-lower surrounding edge band; 48-lower piping strip; 49-bottom layer; 50-upper surrounding edge band; 51-upper piping strip; 52-surface layer; 53-core material; 54-upper frame strip; 55-support spring; 56-ring hole; 57-lower frame strip; 58-cable tie. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] It should be noted that: the "between" in this article can be any position within the overall scope of two or more than two, and can be on the body of one of them, including but not limited to the interval between two or more; some specific terms are used in this article, but these terms are only for the convenience of explanation and do not constitute any limitation to the present invention; there are the same elements or structures in this article, and in order to avoid confusion, the same elements or structures are numbered and / or other accompanying words are added according to their respective functions, positions, directions, etc. for distinction and are only used for distinction; the "upper", "lower", "left", "right" in this article are The orientation or positional relationship indicated in the drawings is based on the orientation or positional relationship shown in the drawings, and does not indicate or imply that the structure or object must have a specific orientation, be constructed and operated in a specific orientation; the "horizontal" and "vertical" in this article refer to a state that is not necessarily completely horizontal or vertical but is close to horizontal or vertical based on the realization of functional purposes, including but not limited to the absolute value of horizontal or vertical; the "edge" in this article refers to the extreme edge; the "edge" in this article refers to the extreme edge and the part close to the extreme edge, including but not limited to the extreme edge; the "covering" in this article means making the covered object invisible or difficult to be seen visually, not closing or blocking the covered object.

[0038] Embodiment 1: A reinforced sheet fixing device (1), wherein the sheet fixing device (1) is mounted on the vertical surface layer (36) of the mattress (35), and the sheet fixing device (1) is also connected to the lower edge (46) and the bottom layer (49) of the mattress (35).

[0039] The further connection refers to an additional connection on the basis that the sheet fixing device (1) is mounted on the facade surface layer (36), and the sheet fixing device (1) is indirectly connected to the lower edge (46) and the bottom layer (49) through the facade surface layer (36).

[0040] The material of the facade surface layer (36) includes, but is not limited to, one or more of fabric, plastic, and leather.

[0041] like Figure 1 , Figure 2 As shown, the sheet fixing device (1) is connected to the lower edge (46) and the bottom layer (49) through a reinforcing belt (41); the vertical surface layer (36) is the surrounding cloth (38); the reinforcing belt (41) is attached to the surrounding cloth (38); the sheet fixing device (1) is mounted on the surrounding cloth (38) and the reinforcing belt (41); the lower edge (46) includes a lower surrounding edge belt (47); the lower surrounding edge belt (47) wraps around the lower edge of the surrounding cloth (38), the lower end of the reinforcing belt (41), and the edge of the bottom layer (49); the lower surrounding edge belt (47), the surrounding cloth (38), the reinforcing belt (41), and the bottom layer (49) are sewn together.

[0042] The reinforcing belt (41) is a wide flat strip, and its material includes but is not limited to one or more of fabric, plastic, leather, and rubber; the length of the reinforcing belt (41) can only be straightened but cannot be further extended, that is, the length of the strip is fixed, it can be bent but not elastic, and it is resistant to pulling. The reinforcing belt (41) can be set on the back of the apron (38), or on the front of the apron (38), or it can be clamped in the structure of the apron (38) when the apron (38) is processed.

[0043] In this embodiment, the reinforcing tape (41) is located on the back of the apron (38) and is at least partially adhered to the back of the apron (38). The affixing method includes but is not limited to hot melt adhesive or pressure sensitive adhesive.

[0044] The reinforcement belt (41) is at least partially adhered to the back side of the apron (38), which is beneficial to the rapid positioning and processing of the reinforcement belt (41) on the back side of the apron (38). For example, when the lower end of the reinforcement belt (41) is adhered to the back side of the apron (38), the lower end of the reinforcement belt (41) and the apron (38) are together without bifurcation, which is beneficial for the lower edge belt (47) to wrap the lower end of the reinforcement belt (41), the lower edge of the apron (38), and further stitching.

[0045] Specifically, the reinforcing tape (41) is a cloth-based tape, the adhesive contained in the tape is a non-toxic and harmless pressure-sensitive adhesive, and the entire reinforcing tape (41) is adhered to the back of the apron (38).

[0046] like Figure 2 As shown, the lower edge (46) also includes a lower piping strip (48), and the lower surrounding edge band (47) wraps around the lower piping strip (48), the lower edge of the surrounding cloth (38), the lower end of the reinforcement band (41), and the edge of the bottom layer (49), and sews the lower surrounding edge band (47), the surrounding cloth (38), the reinforcement band (41), and the bottom layer (49) together.

[0047] The length of the reinforcing belt (41) is consistent with the height of the surrounding cloth (38); the mattress (35) comprises a surface layer (52), an upper surrounding edge band (50), and an upper piping strip (51); the upper surrounding edge band (50) wraps around the upper piping strip (51), the upper edge of the surrounding cloth (38), the upper end of the reinforcing belt (41), and the edge of the surface layer (52), and the upper surrounding edge band (50), the surrounding cloth (38), the reinforcing belt (41), and the surface layer (52) are sewn together.

[0048] The bed sheet fixing device (1) comprises a fixing portion (2) and an operating portion (31), wherein the operating portion (31) cooperates with the fixing portion (2) to connect a bed sheet, the width of the reinforcing belt (41) is greater than or equal to the width of the fixing portion (2), and the bed sheet fixing device (1) is mounted on the surrounding cloth (38) and the reinforcing belt (41) via the fixing portion (2).

[0049] The vertical surface of the mattress (35) is provided with 10 bed sheet fixing devices (1), wherein the left and right surrounding cloths (38) of the mattress (35) are each provided with 3 bed sheet fixing devices (1), and the front and rear surrounding cloths (38) of the mattress (35) are each provided with 2 bed sheet fixing devices (1).

[0050] Embodiment 2: A reinforced sheet fixing device (1), wherein the sheet fixing device (1) is mounted on the vertical surface layer (36) of the mattress (35), and the sheet fixing device (1) is also connected to the lower edge (46) and the bottom layer (49) of the mattress (35).

[0051] The further connection refers to an additional connection on the basis that the sheet fixing device (1) is mounted on the facade surface layer (36), and the sheet fixing device (1) is indirectly connected to the lower edge (46) and the bottom layer (49) through the facade surface layer (36).

[0052] The material of the facade surface layer (36) includes, but is not limited to, one or more of fabric, plastic, and leather.

[0053] like Figure 1 , Figure 2 As shown, the sheet fixing device (1) is connected to the lower edge (46) and the bottom layer (49) through a reinforcing belt (41); the vertical surface layer (36) is the surrounding cloth (38); the reinforcing belt (41) is attached to the surrounding cloth (38); the lower edge (46) includes a lower surrounding edge belt (47); the lower surrounding edge belt (47) wraps around the lower edge of the surrounding cloth (38), the lower end of the reinforcing belt (41), and the edge of the bottom layer (49); the lower surrounding edge belt (47), the surrounding cloth (38), the reinforcing belt (41), and the bottom layer (49) are sewn together.

[0054] The reinforcing belt (41) is a wide flat strip, and its material includes but is not limited to one or more of fabric, plastic, leather, and rubber; the length of the reinforcing belt (41) can only be straightened but cannot be further extended, that is, the length of the strip is fixed, it can be bent but not elastic, and it is resistant to pulling. The reinforcing belt (41) can be set on the back of the apron (38), or on the front of the apron (38), or it can be clamped in the structure of the apron (38) when the apron (38) is processed.

[0055] In this embodiment, the reinforcing tape (41) is located on the back of the apron (38) and is at least partially adhered to the back of the apron (38). The affixing method includes but is not limited to hot melt adhesive or pressure sensitive adhesive.

[0056] The reinforcement belt (41) is at least partially adhered to the back side of the apron (38), which is beneficial to the rapid positioning and processing of the reinforcement belt (41) on the back side of the apron (38). For example, when the lower end of the reinforcement belt (41) is adhered to the back side of the apron (38), the lower end of the reinforcement belt (41) and the apron (38) are together without bifurcation, which is beneficial for the lower edge belt (47) to wrap the lower end of the reinforcement belt (41), the lower edge of the apron (38), and further stitching.

[0057] Specifically, the reinforcing tape (41) is a cloth-based tape, the adhesive contained in the tape is a non-toxic and harmless pressure-sensitive adhesive, and the entire reinforcing tape (41) is adhered to the back of the apron (38).

[0058] like Figure 2 As shown, the lower edge (46) also includes a lower piping strip (48), and the lower surrounding edge band (47) wraps around the lower piping strip (48), the lower edge of the surrounding cloth (38), the lower end of the reinforcement band (41), and the edge of the bottom layer (49), and sews the lower surrounding edge band (47), the surrounding cloth (38), the reinforcement band (41), and the bottom layer (49) together.

[0059] The length of the reinforcing belt (41) is consistent with the height of the surrounding cloth (38); the mattress (35) comprises a surface layer (52), an upper surrounding edge band (50), and an upper piping strip (51); the upper surrounding edge band (50) wraps around the upper piping strip (51), the upper edge of the surrounding cloth (38), the upper end of the reinforcing belt (41), and the edge of the surface layer (52), and the upper surrounding edge band (50), the surrounding cloth (38), the reinforcing belt (41), and the surface layer (52) are sewn together.

[0060] The surrounding cloth (38) and the reinforcing belt (41) are both provided with ventilation openings (37), that is, the surrounding cloth (38) is provided with a surrounding cloth ventilation opening (40), and the reinforcing belt (41) is provided with a reinforcing belt air hole (43) corresponding to the surrounding cloth ventilation opening (40); the bed sheet fixing device (1) is provided with ventilation holes (5) and / or ventilation notches (6) corresponding to the ventilation openings (37) for ventilation of the interior of the mattress (35).

[0061] The form of the cloth ventilation opening (40) depends on the corresponding relationship between the ventilation hole (5) and the cloth ventilation opening (40). For example, when the sheet fixing device (1) has a ventilation tube (17), the cloth ventilation opening (40) can be just a slit on the cloth (38), and the size of the slit is based on the tail end of the ventilation tube (17) being able to poke through the slit and be placed on the back of the cloth (38). When the sheet fixing device (1) does not have the ventilation tube (17), the cloth ventilation opening (40) must be a hollow through hole on the cloth (38), and in order to achieve a more refined effect, the edge of the through hole can be ironed or processed into a rivet hole (45) with a rivet (44).

[0062] like Figure 8 As shown, the bed sheet fixing device (1) of this embodiment does not have the ventilation tube (17); Figure 3 As shown, the fabric vent (40) is the rivet vent (45), and the fabric (38) portion to which the reinforcing strip (41) is attached is processed with a rivet vent (44) to form one rivet vent (45), that is, the rivet vent (45) includes the reinforcing strip vent (43) and the fabric vent (40). The rivet vent (45) is also provided with a blocking net to prevent foreign matter from entering the mattress.

[0063] The bed sheet fixing device (1) comprises a fixing part (2), wherein the fixing part (2) has a main fixing plate (4) and a surrounding wall (7), wherein the surrounding wall (7) surrounds the edge of the main fixing plate (4) and is fixedly connected to the main fixing plate (4), wherein a concave angle is formed between the back side of the surrounding wall (7) and the back side of the main fixing plate (4), and the surrounding wall (7) is provided with the ventilation hole (5) and the ventilation notch (6).

[0064] The width of the reinforcing strip (41) is greater than or equal to the width of the fixing portion (2).

[0065] The shape of the surrounding wall (7) depends on the main fixing plate (4). For example, when the main fixing plate (4) is circular or elliptical, the surrounding wall (7) is a continuous curved surface surrounding the edge of the main fixing plate (4); and when the main fixing plate (4) is polygonal, the surrounding wall (7) is a plurality of faces surrounding the edge of the main fixing plate (4).

[0066] In this embodiment, the main fixing plate (4) is square, and the surrounding wall (7) includes a top wall (8), a bottom wall (9), a left side wall (11), and a right side wall (13); the left side wall (11) and the right side wall (13) are both provided with the ventilation holes (5), that is, the left side wall (11) is provided with a left side wall air hole (12), and the right side wall (13) is provided with a right side wall air hole (14); the bottom wall (9) is provided with the ventilation notch (6).

[0067] The bed sheet fixing device (1) further comprises an operating portion (31), wherein the operating portion (31) cooperates with the fixing portion (2) to connect the bed sheet; the fixing portion (2) is provided with fixing holes (3) at four corners of the back side, and the surrounding cloth (38) is provided with four surrounding cloth mounting holes (39) corresponding to the four fixing holes (3); the surrounding cloth mounting holes (39) are hollow through holes, and the surrounding cloth mounting holes (39) are hollowed out at the portion of the surrounding cloth (38) to which the reinforcing tape (41) is attached, so that The surrounding cloth attachment hole (39) is also a reinforcing belt attachment hole (42); the sheet fixing device (1) is mounted on the surrounding cloth (38) and the reinforcing belt (41) through the cooperation of the four fixing attachment holes and the four surrounding cloth attachment holes (39); the fixing portion (2) is located on the front side of the surrounding cloth (38) and forms a cavity between the surrounding cloth (38); the sheet fixing device (1) covers the ventilation port (37), and the rivet air hole (45) is located behind the sheet fixing device (1).

[0068] The term "covering" means that the vent (37) is not visible or not easily visible, but does not mean that the vent (37) is closed or blocked. When the bed sheet fixing device (1) is closed, i.e. the operating part (31) is closed, the vent (37) is not visible; and when the bed sheet fixing device (1) is opened, i.e. the operating part (31) is opened, the vent (37) may be visible.

[0069] The vertical surface of the mattress (35) is provided with 10 bed sheet fixing devices (1), wherein the left and right surrounding cloths (38) of the mattress (35) are each provided with 3 bed sheet fixing devices (1), and the front and rear surrounding cloths (38) of the mattress (35) are each provided with 2 bed sheet fixing devices (1).

[0070] Embodiment 3: A reinforced sheet fixing device (1), wherein the sheet fixing device (1) is mounted on the vertical surface layer (36) of the mattress (35), and the sheet fixing device (1) is also connected to the lower edge (46), the core material (53), and the bottom layer (49) of the mattress (35).

[0071] The further connection refers to an additional connection on the basis that the sheet fixing device (1) is mounted on the vertical surface layer (36), and the sheet fixing device (1) is indirectly connected to the lower edge (46) and the bottom layer (49) through the vertical surface layer (36); the structural materials wrapped by the vertical surface layer (36), the bottom layer (49) and the surface layer (52) of the mattress (35) are all the core material (53).

[0072] The material of the facade surface layer (36) includes, but is not limited to, one or more of fabric, plastic, and leather.

[0073] like Figure 1 , Figure 2 As shown, the sheet fixing device (1) is connected to the lower edge (46) and the bottom layer (49) through a reinforcing belt (41); the vertical surface layer (36) is the surrounding cloth (38); the reinforcing belt (41) is attached to the surrounding cloth (38); the lower edge (46) includes a lower surrounding edge belt (47); the lower surrounding edge belt (47) wraps around the lower edge of the surrounding cloth (38), the lower end of the reinforcing belt (41), and the edge of the bottom layer (49); the lower surrounding edge belt (47), the surrounding cloth (38), the reinforcing belt (41), and the bottom layer (49) are sewn together.

[0074] The reinforcing belt (41) is a wide flat strip, and its material includes but is not limited to one or more of fabric, plastic, leather, and rubber; the length of the reinforcing belt (41) can only be straightened but cannot be further extended, that is, the length of the strip is fixed, it can be bent but not elastic, and it is resistant to pulling. The reinforcing belt (41) can be set on the back of the apron (38), or on the front of the apron (38), or it can be clamped in the structure of the apron (38) when the apron (38) is processed.

[0075] like Figure 2 As shown, the reinforcement belt (41) is located on the back of the surrounding cloth (38), and the lower edge (46) also includes a lower piping strip (48). The lower surrounding edge band (47) wraps around the lower piping strip (48), the lower edge of the surrounding cloth (38), the lower end of the reinforcement belt (41), and the edge of the bottom layer (49), and sews the lower surrounding edge band (47), the surrounding cloth (38), the reinforcement belt (41), and the bottom layer (49) together.

[0076] In this embodiment, the bed sheet fixing device (1) comprises a mounting plate (22), such as Figure 4 , Figure 7 As shown, the reinforcing belt (41) includes the mounting plate (22), the mounting plate (22) and the reinforcing belt (41) are fixedly connected as a whole, and the upper and lower sides of the mounting plate (22) are fixedly connected to the reinforcing belt (41).

[0077] The length of the reinforcing belt (41) including the mounting piece (22) is consistent with the height of the surrounding cloth (38); the mattress (35) comprises an upper surrounding edge belt (50) and an upper piping strip (51); the upper surrounding edge belt (50) wraps around the upper piping strip (51), the upper edge of the surrounding cloth (38), the upper end of the reinforcing belt (41), and the edge of the surface layer (52), and sews the upper surrounding edge belt (50), the surrounding cloth (38), the reinforcing belt (41), and the surface layer (52) together.

[0078] like Figure 4 As shown, the apron (38) is provided with a ventilation opening (37), namely, the apron ventilation opening (40).

[0079] like Fig. 9 , Fig.10 As shown, the sheet fixing device (1) is provided with a ventilation hole (5) corresponding to the ventilation port (37) for ventilation of the interior of the mattress (35). The sheet fixing device (1) comprises a fixing part (2), the fixing part (2) comprises a main fixing plate (4), a surrounding wall (7), a back plate (15), a ventilation tube (17), and a pressure cap (21), the surrounding wall (7) surrounds the edge of the main fixing plate (4) and is fixedly connected to the main fixing plate (4), the back of the surrounding wall (7) and the back of the main fixing plate (4) form a concave angle, the back plate (15) and the main fixing plate (4) form a double-layer structure and a cavity is formed between the two.

[0080] The width of the reinforcing strip (41) is greater than or equal to the width of the fixing portion (2).

[0081] The shape of the surrounding wall (7) depends on the main fixing plate (4). For example, when the main fixing plate (4) is circular or elliptical, the surrounding wall (7) is a continuous curved surface surrounding the edge of the main fixing plate (4); and when the main fixing plate (4) is polygonal, the surrounding wall (7) is a plurality of faces surrounding the edge of the main fixing plate (4).

[0082] In this embodiment, the main fixing plate (4) is square, and the surrounding wall (7) includes a top wall (8), a bottom wall (9), a left side wall (11), and a right side wall (13); the bottom wall (9), the left side wall (11), and the right side wall (13) are all provided with the ventilation holes (5), that is, the bottom wall (9) is provided with a bottom wall air hole (10), the left side wall (11) is provided with a left side wall air hole (12), and the right side wall (13) is provided with a right side wall air hole (14).

[0083] The back plate (15) is also provided with the ventilation hole (5), i.e., the back plate air hole (16); one end of the ventilation tube (17) is fixedly connected to the back side of the back plate (15) corresponding to the back plate air hole (16); the tube hole (18) of the ventilation tube (17) passes through the back plate air hole (16); and the tube hole (18) belongs to the ventilation hole (5).

[0084] The other end of the air-permeable tube (17), i.e., the tail end, is provided with an end surface structure (19), the end surface structure (19) is fixedly connected to the tube wall of the air-permeable tube (17), the tube wall surrounds the end surface structure (19), and the end surface structure (19) has gaps (20) between both sides and the tube wall. The core material (53) includes an upper frame bar (54), a support spring (55), and a lower frame bar (57); the sheet fixing device (1) is connected to one or more of the upper frame bar (54), the support spring (55), and the lower frame bar (57) through the end surface structure (19), and at the same time, the surrounding cloth (38) is connected to the core material (53). The end surface structure (19) provides a connection fulcrum for the sheet fixing device (1) to connect to the core material (53), and can prevent foreign matter from entering the interior of the mattress (35).

[0085] The air-permeable cylinder (17) has an external thread, and the pressure cap (21) is provided corresponding to the air-permeable cylinder (17), and the pressure cap (21) has an internal thread.

[0086] A positioning protrusion structure (26) is provided between the back plate (15) and the mounting plate (22), and the positioning protrusion structure (26) faces the surrounding cloth (38).

[0087] Since the sheet fixing device (1) in this embodiment is only connected to the surrounding cloth (38) by a pair of threaded structures (32), namely, the air-permeable tube (17) with external threads and the pressure cap (21) with internal threads, in order to prevent the sheet fixing device (1) from rotating and tilting due to the force generated by the operation of the surrounding cloth (38) after being installed on the surrounding cloth (38), a positioning protrusion structure (26) is provided between the back plate (15) and the mounting plate (22) to enhance the installation positioning of the sheet fixing device.

[0088] The pressing cap (21) needs to be screwed and rotated during assembly, and the pressing cap (21) contacts the soft cloth (38). In order not to affect the screwing and rotation of the pressing cap (21), if the positioning protrusion structure (26) is to be provided on the pressing cap (21), then the positioning protrusion structure (26) can only be a protruding circle shape. However, this protruding circle shape is along the possible rotation trajectory of the sheet fixing device, and has almost no effect on preventing the sheet fixing device (1) from rotating relative to the cloth (38); and if the positioning protrusion structure (26) of other shapes, such as a convex point, is provided on the pressing cap (21), then this convex point will obviously affect the screwing and rotation of the pressing cap (21) during assembly. Therefore, it can be seen that it is not appropriate to provide the positioning protrusion structure (26) on the pressing cap (21). If the positioning protruding structure (26) is provided on the back plate (15), since the material of the surrounding cloth (38) is soft and the conventional thickness of the surrounding cloth (38) is used as the standard, the positioning protruding structure (26) will also affect the screwing and rotation of the pressing cap (21) through the surrounding cloth (38). Therefore, the mounting plate (22) cooperates with the back plate (15), the ventilating tube (17) and the pressing cap (21) to solve the above problem.

[0089] The mounting plate (22) is provided with a mounting plate mounting hole (23) corresponding to the vent tube (17); the mounting plate mounting hole (23) is also a mounting plate air hole (24) and belongs to the vent hole (5); and because the mounting plate (22) and the reinforcing belt (41) are fixedly connected as a whole, the mounting plate mounting hole (23) is also a vent hole (37).

[0090] One of the back plate (15) and the mounting plate (22) is provided with a positioning protruding structure (26), and the positioning protruding structure (26) faces the surrounding cloth (38); and the other of the back plate (15) and the mounting plate (22) is provided with a positioning recessed structure (28) and / or a positioning hole (30) corresponding to the positioning protruding structure (26).

[0091] The positioning protruding structure (26) includes but is not limited to protruding points and / or protruding bars, and the positioning recessed structure (28) includes but is not limited to pits and / or grooves.

[0092] like Fig. 9 , Fig.10As shown, the positioning protruding structure (26) in this embodiment is a positioning convex point (27), and the positioning concave structure (28) is a positioning concave pit (29); the positioning convex points (27) are arranged around the air-permeable tube (17) on the back side of the back plate (15), and there are five positioning convex points (27) distributed around the air-permeable tube (17); three positioning concave pits (29) and two positioning holes (30) are arranged around the mounting hole (23) of the mounting plate (22) corresponding to the five positioning convex points (27).

[0093] The ventilation opening (40) of the apron is a hollow through hole, and the ventilation opening (40) of the apron is also a mounting hole (39) of the apron. The tail end of the ventilation tube (17) passes through the ventilation opening (40) of the apron from the front of the apron (38) and is placed on the back of the apron (38). The mounting plate (22) is inserted into the ventilation tube (17) through the mounting plate mounting hole (23). The ventilation tube (17) is installed with the pressure cap (21) and tightened, so that the mounting plate (22) cooperates with the back plate (15) to clamp the apron (38), so that the sheet fixing device (1) can be mounted on the apron (38) and the reinforcement belt (41).

[0094] like Figure 6 , Figure 7 As shown, the core material (53) includes an upper frame strip (54), a support spring (55), and a lower frame strip (57). In this embodiment, the sheet fixing device (1) is connected to the support spring (55) through the end surface structure (19) and the cable tie (58). The cable tie (58) passes through the gaps (20) on both sides of the end surface structure (19) and the loop holes (56) of the support spring (55), thereby bundling and connecting the air tube (17) and the support spring (55).

[0095] The bed sheet fixing device (1) further comprises an operating portion (31), wherein the operating portion (31) cooperates with the fixing portion (2) to connect the bed sheet.

[0096] The vertical surface of the mattress (35) is provided with 10 bed sheet fixing devices (1), wherein the left and right surrounding cloths (38) of the mattress (35) are each provided with 3 bed sheet fixing devices (1), and the front and rear surrounding cloths (38) of the mattress (35) are each provided with 2 bed sheet fixing devices (1).

[0097] Embodiment 4: A reinforced sheet fixing device (1), wherein the sheet fixing device (1) is mounted on the vertical surface layer (36) of the mattress (35), and the sheet fixing device (1) is also connected to the lower edge (46), the core material (53), and the bottom layer (49) of the mattress (35).

[0098] The further connection refers to an additional connection on the basis that the sheet fixing device (1) is mounted on the vertical surface layer (36), and the sheet fixing device (1) is indirectly connected to the lower edge (46) and the bottom layer (49) through the vertical surface layer (36); the structural materials wrapped by the vertical surface layer (36), the bottom layer (49) and the surface layer (52) of the mattress (35) are all the core material (53).

[0099] The material of the facade surface layer (36) includes, but is not limited to, one or more of fabric, plastic, and leather.

[0100] like Figure 1 , Figure 2 As shown, the sheet fixing device (1) is connected to the lower edge (46) and the bottom layer (49) through a reinforcing belt (41); the vertical surface layer (36) is the surrounding cloth (38); the reinforcing belt (41) is attached to the surrounding cloth (38); the lower edge (46) includes a lower surrounding edge belt (47); the lower surrounding edge belt (47) wraps around the lower edge of the surrounding cloth (38), the lower end of the reinforcing belt (41), and the edge of the bottom layer (49); the lower surrounding edge belt (47), the surrounding cloth (38), the reinforcing belt (41), and the bottom layer (49) are sewn together.

[0101] The reinforcing belt (41) is a wide flat strip, and its material includes but is not limited to one or more of fabric, plastic, leather, and rubber; the length of the reinforcing belt (41) can only be straightened but cannot be further extended, that is, the length of the strip is fixed, it can be bent but not elastic, and it is resistant to pulling. The reinforcing belt (41) can be set on the back of the apron (38), or on the front of the apron (38), or it can be clamped in the structure of the apron (38) when the apron (38) is processed.

[0102] In this embodiment, the reinforcing tape (41) is located on the back of the apron (38) and is at least partially adhered to the back of the apron (38). The affixing method includes but is not limited to hot melt adhesive or pressure sensitive adhesive.

[0103] The reinforcement belt (41) is at least partially adhered to the back side of the apron (38), which is beneficial to the rapid positioning and processing of the reinforcement belt (41) on the back side of the apron (38). For example, when the lower end of the reinforcement belt (41) is adhered to the back side of the apron (38), the lower end of the reinforcement belt (41) and the apron (38) are together without bifurcation, which is beneficial for the lower edge belt (47) to wrap the lower end of the reinforcement belt (41), the lower edge of the apron (38), and further stitching.

[0104] Specifically, the reinforcing tape (41) is a cloth-based tape, the adhesive contained in the tape is a non-toxic and harmless pressure-sensitive adhesive, and the entire reinforcing tape (41) is adhered to the back of the apron (38).

[0105] like Figure 2 As shown, the lower edge (46) also includes a lower piping strip (48), and the lower surrounding edge band (47) wraps around the lower piping strip (48), the lower edge of the surrounding cloth (38), the lower end of the reinforcement band (41), and the edge of the bottom layer (49), and sews the lower surrounding edge band (47), the surrounding cloth (38), the reinforcement band (41), and the bottom layer (49) together.

[0106] The length of the reinforcing belt (41) is consistent with the height of the surrounding cloth (38), and the mattress (35) comprises an upper surrounding edge belt (50) and an upper piping strip (51), wherein the upper surrounding edge belt (50) wraps around the upper piping strip (51), the upper edge of the surrounding cloth (38), the upper end of the reinforcing belt (41), and the edge of the surface layer (52), and the upper surrounding edge belt (50), the surrounding cloth (38), the reinforcing belt (41), and the surface layer (52) are sewn together.

[0107] like Figure 5 As shown, the apron (38) and the reinforcing belt (41) are both provided with ventilation openings (37), that is, the apron (38) is provided with apron ventilation openings (40), and the reinforcing belt (41) is provided with reinforcing belt air holes (43) corresponding to the apron ventilation openings (40).

[0108] like Fig.11 , Fig.12 As shown, the sheet fixing device (1) is provided with a ventilation hole (5) corresponding to the ventilation port (37) for ventilation of the interior of the mattress (35). The sheet fixing device (1) comprises a fixing portion (2) and a mounting plate (22). The fixing portion (2) comprises a main fixing plate (4), a surrounding wall (7), a back plate (15), and a ventilation tube (17). The surrounding wall (7) surrounds the edge of the main fixing plate (4) and is fixedly connected to the main fixing plate (4). A concave angle is formed between the back of the surrounding wall (7) and the back of the main fixing plate (4). The back plate (15) and the main fixing plate (4) form a double-layer structure and a cavity is formed between the two.

[0109] The width of the reinforcing strip (41) is greater than or equal to the width of the fixing portion (2).

[0110] The shape of the surrounding wall (7) depends on the main fixing plate (4). For example, when the main fixing plate (4) is circular or elliptical, the surrounding wall (7) is a continuous curved surface surrounding the edge of the main fixing plate (4); and when the main fixing plate (4) is polygonal, the surrounding wall (7) is a plurality of faces surrounding the edge of the main fixing plate (4).

[0111] In this embodiment, the main fixing plate (4) is square, and the surrounding wall (7) includes a top wall (8), a bottom wall (9), a left side wall (11), and a right side wall (13); the left side wall (11) and the right side wall (13) are both provided with the ventilation holes (5), that is, the left side wall (11) is provided with a left side wall air hole (12), and the right side wall (13) is provided with a right side wall air hole (14).

[0112] The back plate (15) is also provided with the ventilation hole (5), i.e., the back plate air hole (16); one end of the ventilation tube (17) is fixedly connected to the back side of the back plate (15) corresponding to the back plate air hole (16); the tube hole (18) of the ventilation tube (17) passes through the back plate air hole (16); and the tube hole (18) belongs to the ventilation hole (5).

[0113] The back of the sheet fixing device (1) or an object connected to its back is provided with a reinforcement connection hole (34), and the core material (53) includes an upper frame bar (54), a support spring (55), and a lower frame bar (57). The sheet fixing device (1) is connected to one or more of the upper frame bar (54), the support spring (55), and the lower frame bar (57) through the reinforcement connection hole (34), and at the same time, the surrounding cloth (38) is connected to the core material (53).

[0114] The wall of the air-permeable cylinder (17) is provided with the reinforced connection hole (34).

[0115] A positioning protrusion structure (26) is provided between the fixing portion (2) and the mounting piece (22); the fixing portion (2) is located on the front side of the surrounding cloth (38), and the mounting piece (22) is located on the back side of the surrounding cloth (38), wherein the positioning protrusion structure (26) faces the surrounding cloth (38); the bed sheet fixing device (1) is mounted on the surrounding cloth (38) and the reinforcing belt (41) via a threaded structure (32); and the mounting piece (22) cooperates with the fixing portion (2) to clamp the surrounding cloth (38) and the reinforcing belt (41).

[0116] The positioning protruding structure (26) includes but is not limited to protruding points and / or protruding strips.

[0117] The back of the sheet fixing device (1) is provided with a reinforcement connection hole (34), which means that the reinforcement connection hole (34) is provided on a structural part or component of the back of the sheet fixing device (1), for example, the reinforcement connection hole (34) is provided on any one of the back plate (15), the ventilating tube (17), the connecting plate (22), and the pressing cap (21); and the object connected to its back is provided with a reinforcement connection hole (34), which means that the reinforcement connection hole (34) is provided on an object connected to a structural part or component of the back of the sheet fixing device (1), for example, the reinforcement connection hole (34) is provided on an object connected to any one of the back plate (15), the ventilating tube (17), the connecting plate (22), and the pressing cap (21), and the apron (38) belongs to the object.

[0118] Different from the front-to-back orientation of the ventilation holes (5), the reinforcement connection holes (34) are oriented to the left and right and / or up and down to facilitate the threading of the strips or wire ropes. The left and right and up and down orientations refer to the orientation being inclined relative to the vertical or horizontal.

[0119] In view of the fact that the reinforcing connection hole (34) faces left and right and / or up and down, the reinforcing connection hole (34) is arranged on a structure protruding from the back of the sheet fixing device (1), for example, the reinforcing connection hole (34) is arranged on the air vent tube (17) or the pressure cap (21), or a protruding structure is specially added to the back plate of the sheet fixing device (1), and then the reinforcing connection hole (34) is arranged on the protruding structure.

[0120] In this embodiment, the four corners of the back side of the fixing portion (2) are provided with fixing holes (3), and four fixing bolts (33) are provided corresponding to the four fixing holes (3). The surrounding cloth (38) is provided with four surrounding cloth fixing holes (39) corresponding to the four fixing holes (3). The reinforcing belt (41) is provided with four reinforcing belt fixing holes (42) corresponding to the four fixing holes (3). The width and height of the fixing piece (22) are consistent with the width and height of the back side of the fixing portion (2). The four corners of the fixing piece (22) are provided with fixing bolts (3) corresponding to the four fixing holes (3). The mounting plate (22) is provided with a mounting plate air hole (24) corresponding to the air permeable tube (17), and the mounting plate air hole (24) is also the air permeable through hole (5); the surrounding cloth mounting hole (39) and the surrounding cloth air vent (40) are both hollow through holes processed together with the reinforcing belt (41) at the position of the surrounding cloth (38) to which the reinforcing belt (41) is pasted, so the surrounding cloth mounting hole (39) is also the reinforcing belt mounting hole (42), and the surrounding cloth air vent (40) is also the reinforcing belt air hole (43).

[0121] The vent tube (17) has a tower-like appearance, and three buckle teeth (25) are distributed in the air hole (24) of the mounting plate corresponding to the groove in the tower shape. The vent tube (17) has two side walls provided with the reinforcement connection holes (34) near its tail end, and the two reinforcement connection holes (34) are both oriented to the left and right. The positioning protrusion structure (26) is a positioning convex point (27), and the back plate (15) and the mounting plate (22) are both distributed with a plurality of the positioning convex points (27), and the positions of the positioning convex points (27) of the back plate (15) and the positions of the positioning convex points (27) of the mounting plate (22) are staggered.

[0122] The rear end of the ventilation tube (17) is placed on the back of the surrounding cloth (38) through the ventilation opening (40) of the surrounding cloth and the air hole (43) of the reinforcing belt from the front of the surrounding cloth (38), and the mounting plate (22) is inserted into the ventilation tube (17) through the air hole (24) of the mounting plate, and then the four mounting bolts (33) are installed and tightened corresponding to the four fixed mounting holes (3), so that the mounting plate (22) cooperates with the back plate (15) to clamp the surrounding cloth (38) and the reinforcing belt (41).

[0123] The bed sheet fixing device (1) is connected to the support spring (55) via the two reinforcement connection holes (34) and the tie (58); the tie (58) passes through the two reinforcement connection holes (34) and the loop hole (56) of the support spring (55), thereby bundling and connecting the air permeable tube (17) and the support spring (55).

[0124] The bed sheet fixing device (1) further comprises an operating portion (31), wherein the operating portion (31) cooperates with the fixing portion (2) to connect the bed sheet.

[0125] The vertical surface of the mattress (35) is provided with 10 bed sheet fixing devices (1), wherein the left and right surrounding cloths (38) of the mattress (35) are each provided with 3 bed sheet fixing devices (1), and the front and rear surrounding cloths (38) of the mattress (35) are each provided with 2 bed sheet fixing devices (1).

[0126] Embodiment 5: A reinforced sheet fixing device (1), wherein the sheet fixing device (1) is mounted on a vertical surface layer (36) of a mattress (35), wherein the vertical surface layer (36) is connected to a core material (53) of the mattress (35).

[0127] The structural materials wrapped by the vertical surface layer (36), the bottom layer (49) and the surface layer (52) of the mattress (35) are all the core material (53); the vertical surface layer (36) is connected to the core material (53) of the mattress (35), which is an additional connection on the basis of the vertical surface layer (36), the bottom layer (49) and the surface layer (52) being connected to wrap the core material (53).

[0128] The material of the facade surface layer (36) includes, but is not limited to, one or more of fabric, plastic, and leather.

[0129] like Figure 1 As shown, the vertical surface layer (36) is a cloth (38), and the cloth (38) is additionally provided with a layer of fabric that is stronger and more resistant to tearing than the cloth (38) at the location where the sheet fixing device (1) is to be attached; the fabric can be arranged on the back side of the cloth (38), or on the front side of the cloth (38), or can be clamped in the structure of the cloth (38) when the cloth (38) is processed.

[0130] like Figure 6 As shown, the core material (53) includes an upper frame strip (54), a support spring (55), and a lower frame strip (57); the portion of the surrounding cloth (38) to which the cloth is attached is connected to one or more of the upper frame strip (54), the support spring (55), and the lower frame strip (57); at the same time, the bed sheet fixing device (1) is connected to the core material (53).

[0131] In this embodiment, the portion of the apron (38) to which the cloth is attached is connected to the support spring (55).

[0132] like Figure 2 As shown, the stronger and more tear-resistant fabric is the reinforcing belt (41), and the reinforcing belt (41) is also directly connected to the lower edge (46) and the bottom layer (49) of the mattress. The sheet fixing device (1) is mounted on the surrounding cloth (38) and the reinforcing belt (41), and the lower edge (46) includes a lower surrounding edge band (47), and the lower surrounding edge band (47) wraps around the lower edge of the surrounding cloth (38), the lower end of the reinforcing belt (41), and the edge of the bottom layer (49), and the lower surrounding edge band (47), the surrounding cloth (38), the reinforcing belt (41), and the bottom layer (49) are sewn together.

[0133] The reinforcing belt (41) is a wide flat strip, and its material includes but is not limited to one or more of fabric, plastic, leather, and rubber; the length of the reinforcing belt (41) can only be straightened but cannot be further extended, that is, the length of the strip is fixed, it can bend but has no elasticity, and is resistant to pulling.

[0134] like Figure 2 As shown, the reinforcement belt (41) is located on the back of the surrounding cloth (38), and the lower edge (46) also includes a lower piping strip (48). The lower surrounding edge band (47) wraps around the lower piping strip (48), the lower edge of the surrounding cloth (38), the lower end of the reinforcement belt (41), and the edge of the bottom layer (49), and sews the lower surrounding edge band (47), the surrounding cloth (38), the reinforcement belt (41), and the bottom layer (49) together.

[0135] The length of the reinforcing belt (41) is consistent with the height of the surrounding cloth (38), and the mattress (35) comprises an upper surrounding edge belt (50) and an upper piping strip (51), wherein the upper surrounding edge belt (50) wraps around the upper piping strip (51), the upper edge of the surrounding cloth (38), the upper end of the reinforcing belt (41), and the edge of the surface layer (52), and the upper surrounding edge belt (50), the surrounding cloth (38), the reinforcing belt (41), and the surface layer (52) are sewn together.

[0136] The bed sheet fixing device (1) comprises a fixing portion (2) and an operating portion (31), wherein the operating portion (31) cooperates with the fixing portion (2) to connect a bed sheet, the width of the reinforcing belt (41) is greater than or equal to the width of the fixing portion (2), and the bed sheet fixing device (1) is mounted on the surrounding cloth (38) and the reinforcing belt (41) via the fixing portion (2).

[0137] The vertical surface of the mattress (35) is provided with 10 bed sheet fixing devices (1), wherein the left and right surrounding cloths (38) of the mattress (35) are each provided with 3 bed sheet fixing devices (1), and the front and rear surrounding cloths (38) of the mattress (35) are each provided with 2 bed sheet fixing devices (1).

[0138] The above embodiments are only examples for illustrating the present invention. Obviously, the specific implementation of the present invention is not limited by the above methods. The embodiments disclosed herein should not be regarded as excluding other implementation methods, but can be modified, transformed, and combined into other different forms based on the above description. Any modification, equivalent or equivalent replacement and improvement within the scope of the technical concept disclosed by the present invention without departing from the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A reinforced sheet fixing device, characterized in that: The sheet fixing device is attached to the vertical surface layer of the mattress; The vertical surface layer is connected to the core material of the mattress, or the sheet fixing device is also connected to one or more of the lower edge, core material, and bottom layer of the mattress.

2. The reinforced sheet fixing device according to claim 1, characterized in that: The sheet fixing device is connected to the lower edge and the bottom layer through a reinforcement belt. The vertical surface layer is a surrounding cloth. The reinforcement belt is attached to the surrounding cloth. The sheet fixing device is mounted on the surrounding cloth and the reinforcement belt. The lower edge includes a lower surrounding edge belt. The lower surrounding edge belt wraps around the lower edge of the surrounding cloth, the lower end of the reinforcement belt, and the edge of the bottom layer. The lower surrounding edge belt, the surrounding cloth, the reinforcement belt, and the bottom layer are sewn together.

3. The reinforced sheet fixing device according to claim 2, characterized in that: The reinforcement belt is located on the back of the apron, and the reinforcement belt comprises a mounting plate, the mounting plate is fixedly connected to the reinforcement belt as a whole, and the mounting plate is provided with a mounting plate mounting hole.

4. The reinforced sheet fixing device according to claim 2, characterized in that: The reinforcement belt is located on the back side of the apron and is at least partially adhered to the back side of the apron.

5. The reinforced sheet fixing device according to claim 2, characterized in that: The surrounding cloth and the reinforcing belt are both provided with ventilation openings, and the bed sheet fixing device is provided with ventilation holes and / or ventilation notches corresponding to the ventilation openings.

6. The reinforced sheet fixing device according to claim 1, characterized in that: The back of the sheet fixing device or an object connected to its back is provided with a reinforcement connection hole, the core material includes an upper frame bar, a support spring, and a lower frame bar, and the sheet fixing device is connected to one or more of the upper frame bar, the support spring, and the lower frame bar through the reinforcement connection hole.

7. The reinforced sheet fixing device according to claim 6, characterized in that: The vertical surface layer is a surrounding cloth, and the surrounding cloth is provided with a ventilation hole. The back of the sheet fixing device is provided with a ventilation tube corresponding to the ventilation hole, and the tube wall of the ventilation tube is provided with the reinforcement connection hole.

8. The reinforced sheet fixing device according to claim 1, characterized in that: The vertical surface layer is a surrounding cloth, and the surrounding cloth is provided with a ventilation hole. The back of the sheet fixing device is provided with a ventilation tube corresponding to the ventilation hole. The tail end of the ventilation tube is provided with an end face structure, and the end face structure is fixedly connected to the tube wall of the ventilation tube. There are gaps between the two sides of the end face structure and the tube wall. The core material includes an upper frame bar, a supporting spring, and a lower frame bar. The sheet fixing device is connected to one or more of the upper frame bar, the supporting spring, and the lower frame bar through the end face structure.

9. The reinforced sheet fixing device according to claim 8, characterized in that: The bed sheet fixing device comprises a pressing cap, the air-permeable tube has an external thread, and the air-permeable tube is equipped with the pressing cap correspondingly, and the pressing cap has an internal thread.

10. The reinforced sheet fixing device according to any one of claims 1, 2, 3, 4, 5, 6, 7, 8, and 9, characterized in that: The sheet fixing device is connected to the lower edge and / or the bottom layer through a reinforcement belt, the vertical surface layer is the cloth, and the reinforcement belt is attached to the cloth. The sheet fixing device includes a fixing part and a mounting plate, and a positioning protrusion structure is provided between the fixing part and the mounting plate. The fixing part is located on the front side of the cloth, and the reinforcement belt and the mounting plate are located on the back side of the cloth, wherein the positioning protrusion structure faces the cloth. The sheet fixing device is mounted on the cloth and the reinforcement belt through a threaded structure, and the mounting plate cooperates with the fixing part to clamp the cloth and the reinforcement belt.

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