CN215838005U - Waist pad and back board thereof - Google Patents

Abstract

The utility model relates to the technical field of waist pads, in particular to a waist pad and a backrest plate thereof. This back board includes plate body and zone of heating, it has a plurality of bleeder vents that run through the plate body to distribute on the plate body, the zone of heating is including having a plurality of heating wires of bending in succession, the zone of heating sets up the one side at the plate body, the heating range cover plate body of heating wire, the inflection that has partial heating wire at least lays around the bleeder vent, and do not shelter from the bleeder vent, the heating wire is connected with the temperature controller electricity, adjust heating temperature through the temperature controller, in the region that has the bleeder vent, the heating wire arranges around the bleeder vent, in the heat that provides, also can minimize the influence to the function of ventilation, realization that can be better heats and the balance of ventilation function, and the security is high, the zone of heating sets up on plate body surface, laminating nature is good, further improve heating effect. The bustle includes above-mentioned back board, can improve safe and efficient heating function for the user, and the heating laminating nature is good, improves the user and uses experience.

Description

Waist pad and back board thereof

Technical Field

The utility model relates to the technical field of waist pads, in particular to a waist pad and a backrest plate thereof.

Background

When people use the seat, because the use scene is different with the length of use time, hardly let back and backrest laminating for a long time, most of the time waist can be unsettled not to lean on, sit for a long time and will lead to the back to be uncomfortable.

Therefore, various waist cushions (also called backrest devices) appear on the market at present, and a common waist cushion generally comprises a backrest plate connected with a seat and a backrest plate which is contacted with the waist back of a user and provides supporting force, wherein the backrest plate is connected with the backrest plate through a buffering connecting piece, the buffering connecting piece provides buffering force for the backrest plate, and the backrest plate can provide wrapping supporting force for the user. Although the waist cushion has a relatively good supporting effect, the waist cushion can bring cold feeling to a user when being used in a relatively low-temperature environment, and the use experience is influenced, and particularly, the waist cushion is more serious when being used in an automobile seat in winter. However, when the temperature of the use environment is increased or the use is performed in an environment where the temperature is originally high, such as summer, the ventilation and heat dissipation problems need to be considered.

Therefore, there is a need for a lumbar pad with ventilation and heating functions that solves the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a backrest plate with ventilation and heating functions and a lumbar pad comprising the backrest plate, which solve the problems in the prior art.

(II) technical scheme

In order to achieve the above object, in a first aspect, the present invention provides a backrest plate, which includes a plate body, wherein a plurality of air holes penetrating through the plate body are distributed on the plate body, and the backrest plate further includes a heating layer, wherein the heating layer includes a plurality of heating wires bent back and forth continuously;

the heating layer is arranged on one side of the plate body, the heating range of the electric heating wire covers the plate body, at least part of the electric heating wire is bent and arranged around the air holes, and the air holes are not blocked;

the electric heating wire is electrically connected with a temperature controller, and the heating temperature is adjusted by the temperature controller.

Optionally, the zone of heating still includes non-woven fabrics parcel portion, and the heating wire wraps up in non-woven fabrics parcel portion to it is fixed relative non-woven fabrics parcel portion, and the zone of heating passes through non-woven fabrics parcel portion fixed mounting at the plate body.

Optionally, the shape of the non-woven fabric wrapping portion is the same as that of the plate body, and when the heating layer is installed on the plate body, the outline of the non-woven fabric wrapping portion coincides with that of the plate body.

Optionally, the heating wire and the non-woven fabric wrapping portion are fixed by gluing.

Optionally, the non-woven fabric wrapping portion is provided with heat dissipation holes penetrating through the non-woven fabric wrapping portion, and when the heating layer is mounted on the plate body, each heat dissipation hole is communicated with the corresponding air hole.

Optionally, the non-woven fabric wrapping part and the plate body are fixed through a snap fastener.

Optionally, the backrest plate further comprises a breathable cloth cover, the breathable cloth cover is sleeved on the plate body, and the heating layer is located between the breathable cloth cover and the plate body.

Optionally, the surface of the plate body is provided with an accommodating groove bypassing the air holes, and the heating wire is arranged in the accommodating groove.

Optionally, the plate body is covered with the heating wire, and every inflection is whole to be the U type, comprises two inflection sections, and the one end of two inflection sections is connected, and two adjacent inflection share one inflection section.

Preferably, the heating wire is made of copper-nickel alloy wire.

In a second aspect, the present invention also provides a waist pad, including the backrest plate of any one of the implementations of the first aspect.

(III) advantageous effects

The technical scheme of the utility model has the following advantages: the utility model provides a backrest plate, which comprises a plate body and a heating layer, wherein a plurality of air holes penetrating through the plate body are distributed on the plate body, the heating layer comprises a plurality of heating wires which are continuously bent back, the heating layer is arranged on one side of the plate body, the heating range of the heating wires covers the plate body, at least part of the bending back of the heating wires is distributed around the air holes and does not shield the air holes, the heating wires are electrically connected with a temperature controller, the heating temperature is adjusted through the temperature controller, the heating wires are distributed around the air holes in an area with the air holes, the heating wires can provide heat, meanwhile, the influence on the ventilation function can be reduced to the greatest extent, the balance of the heating and ventilation functions can be better realized, the safety is high, the heating layer is arranged on the surface of the plate body, the laminating property is good, and the heating effect is further improved.

The waist cushion provided by the utility model comprises the back plate, the safe and efficient heating function can be improved for a user, the heating fitting performance is good, and the use experience of the user is improved.

Drawings

The drawings of the present invention are provided for illustrative purposes only, and the proportion and the number of the components in the drawings do not necessarily correspond to those of an actual product.

Fig. 1 is a schematic structural diagram of a backrest plate according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a plate body of the backrest plate in fig. 1;

FIG. 3 is a schematic view of a heating layer structure of the backrest plate of FIG. 1;

FIG. 4 is a schematic view of a connection structure of a two-in-one buckle and a backrest plate according to a first embodiment of the present invention;

FIG. 5 is a schematic view of the snap fastener of FIG. 1 in an exploded state;

FIG. 6 is a schematic view of another heating layer structure in one embodiment of the present invention;

FIG. 7 is a schematic view of a heating layer structure according to another embodiment of the present invention;

FIG. 8 is a schematic view of a heating layer according to another embodiment of the present invention;

FIG. 9 is a schematic view of another heating layer structure according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a backrest plate according to a second embodiment of the present invention;

fig. 11 is a schematic structural view of another backrest plate according to a second embodiment of the present invention;

fig. 12 is a schematic structural view of another backrest plate according to a second embodiment of the present invention;

fig. 13 is a schematic structural view of another backrest plate according to a second embodiment of the present invention;

fig. 14 is an exploded view of a waist pad according to a third embodiment of the present invention.

In the figure: 1: a backrest plate; 11: a plate body; 111: air holes are formed; 112: a plate body fixing hole; 12: a heating layer; 121: an electric heating wire; 122: a non-woven fabric wrapping section; 1221: heat dissipation holes; 1222: a heating layer fixing hole; 123: two closing buckles; 1231: a sub-buckle; 1232: a female buckle; 13: a temperature controller; 14: a power plug; 15: a breathable cloth cover;

2: a buffer connection part; 3: a back plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example one

Referring to fig. 1 to 3, a backrest plate 1 according to an embodiment of the present invention includes a plate body 11 and a heating layer 12, and the heating layer 12 is disposed on a front side (a side close to a user in use) of the plate body 11. In other embodiments, the heating layer 12 may be disposed on the rear side (the side close to the back plate) of the plate body 11, regardless of the heating efficiency and the layout difficulty (the buffer connection portions and the connection structures thereof need to be avoided).

Referring to fig. 1 and 2, a plurality of ventilation holes 111 penetrating through the plate body 11 are distributed on the plate body 11, and the plurality of ventilation holes 111 are distributed at intervals and are distributed on the surface of the plate body 11 to achieve a better ventilation effect.

Referring to fig. 1 and 3, the heating layer 12 includes a heating wire 121 having a plurality of continuous bending portions and a non-woven fabric wrapping portion 122 for wrapping the heating wire 121, the non-woven fabric wrapping portion 122 is made of two layers of non-woven fabrics, an accommodating space is formed between the two layers of non-woven fabrics, and the heating wire 121 is wrapped in the non-woven fabric wrapping portion 122 and fixed relative to the non-woven fabric wrapping portion 122. In some embodiments, the heating wire 121 is fixed to the non-woven fabric wrapping part 122 by glue. In other embodiments, the heating wire 121 may be fixed by a suture. Adopt the non-woven fabrics parcel heating wire, can lock the heat that heating wire 121 produced, can also utilize the air permeability characteristic of non-woven fabrics simultaneously, minimize the influence to the ventilation.

In some embodiments, the non-woven fabric wrapping portion 122 is opened with heat dissipation holes 1221 penetrating through the non-woven fabric wrapping portion 122, the number of the heat dissipation holes 1221 corresponds to the number of the ventilation holes 111, and when the heating layer 12 is installed on the plate body 11, each heat dissipation hole 1221 is communicated with the corresponding ventilation hole 111. In one embodiment, the number of the heat dissipation holes 1221 is the same as the number of the ventilation holes 111, and when the heating layer 12 is installed on the plate body 11, each of the heat dissipation holes 1221 communicates with one of the ventilation holes 111 to form a heat dissipation and ventilation passage.

In some embodiments, referring to fig. 9, the number of the heat dissipation holes 1221 is less than the number of the ventilation holes 111, for example, the hole pitch of the heat dissipation holes 1221 is greater than the hole pitch between the ventilation holes 111, and when the heating layer 12 is mounted on the plate body 11, each heat dissipation hole 1221 corresponds to one ventilation hole 111 to form a heat dissipation ventilation channel. While part of the ventilation holes 111 are covered with the nonwoven fabric wrapping part 122, the nonwoven fabric has air permeability, so that ventilation can be achieved to some extent, and the effect thereof is basically acceptable.

In other embodiments, the number of the heat dissipation holes 1221 is the same as the number of the air holes 111, but the shape is different, for example, the air holes 111 are oblong holes, the heat dissipation holes 1221 are round holes, and each heat dissipation hole 1221 only covers part of the air hole 111, so that the ventilation requirement can be met no matter whether the air hole is heated, and the situation of sultry can be avoided. Of course, in other embodiments, the shape of the heat dissipation hole 1221 and the shape of the ventilation hole 111 may be different.

Referring to fig. 1 and 3, the heating layer 12 is connected to the plate body 11 through a snap-fit button 123, and a plurality of plate body fixing holes 112 penetrating through the plate body 11 are formed in the plate body 11, and in some embodiments, the plate body fixing holes 112 may also use air holes to realize functions thereof. The non-woven fabric wrapping portion 122 is provided with a heating layer fixing hole 1222 corresponding to the plate body fixing hole 112. Referring to fig. 4 and 5, one end of the female buckle 1232 extends into the plate body fixing hole 112 from the lower side of the plate body 11, and one end of the male buckle 1231 extends into the heating layer fixing hole 1222 to be fastened with the female buckle 1232, so that the heating layer 12 and the plate body 11 are fixed relatively.

In other embodiments, a snap-fit expansion buckle or similar split-fit structure may be used to fix the heating layer 12 and the plate 11.

It should be noted that the snap fastener 123 and the primary-secondary expansion buckle are both of the conventional structure, and are not described herein again.

After the heating layer 12 is fixed on the plate 11 by the snap button 123, at least a portion of the heating wire 121 is bent around the ventilation hole 111, and the heating wire 121 avoids the ventilation hole 111, thereby avoiding affecting ventilation and avoiding damage to the heating wire 121 due to no support at the ventilation hole 111.

In other embodiments, the heating layer 12 may also be integrally fixed to the plate body 11 by gluing, or may also be fixed by a self-locking strap, for example, strap through holes are provided on the plate body 11 and the non-woven fabric wrapping portion 122, and two strap through holes are in a group and located on two sides of the heating wire 121, and the self-locking strap is locked after passing through a group of strap through holes, so as to fix the heating layer 12 and the plate body 11.

Referring to fig. 9, the heating wire 121 is electrically connected to a temperature controller 13, the temperature of the heating wire 121 is adjusted by the temperature controller 13, and the temperature controller 13 is connected to a power supply by a power plug 14. It should be noted that the power supply may be a vehicle-mounted power supply or a household power supply, and the temperature controller 13 may be electrically connected to the vehicle-mounted power supply or the household power supply by using a power plug 14. It should be further noted that, the temperature controller is in the prior art, and the on-off control of the heating wire 121 and the adjustment of the temperature shift can be realized, which is not described herein again.

Regarding the arrangement of the heating wires 121, when the heating layer 12 is fixed on the plate body 11, the heating wires 121 cover multiple regions of the plate body 11, so as to realize simultaneous multi-region heating, and satisfy the condition that the heating range of the heating wires 121 covers the whole plate body 11. It is preferable that the inflection of the heating wire 11 is uniformly distributed at a suitable distance according to the heating range of the heating wire 121, so that the heat distribution is as uniform as possible. It should be noted that, as will be understood by those skilled in the art, the heating range of the heating wire 121 covering the entire plate body 11 means that the set heating temperature can be reached at any position of the plate body 11 substantially at the same time, and the substantially at the same time means that the user does not feel that there is a significant temperature difference at any position.

When the heating layer 12 is fixed on the plate body 11, a plurality of continuous and back-bent heating wires 121 are distributed over the plate body 11 to heat a plurality of regions of the plate body at the same time. Each bending part is U-shaped or approximately U-shaped and consists of two bending sections, and one ends of the two bending sections are connected. Two adjacent back bends share one back bend section to form a continuous back bend. It should be noted that each of the bent sections may be linear, arc-shaped or corrugated, and in one bent section, the lengths of the two bent sections may be the same or different, which is not limited herein.

Referring to fig. 1 and 3, in one embodiment, when the heating layer 12 is mounted on the plate body 11, the heating wires 121 are arranged in a longitudinal direction as a whole, and each turn thereof surrounds a row of ventilation holes 111.

In other embodiments, referring to fig. 6, the heating wire 121 is longitudinally arranged and each turn is wound around two rows of ventilation holes 111.

Referring to fig. 7, in some embodiments, the heating wires 121 are integrally arranged in a criss-cross manner, and penetrate and surround the plurality of ventilation holes 111.

Referring to fig. 8, in other embodiments, the heating wire 121 is disposed transversely and bent back to surround two rows of ventilation holes 111. Of course, in other embodiments, one or more rows of ventilation holes 111 may be surrounded.

In order to facilitate the assembly of the heating layer 12 and the positioning of the heating wire 121, in some preferred embodiments, referring to fig. 1, the shape of the non-woven fabric wrapping portion 122 is the same as the shape of the plate body 11, and when the heating layer 12 is mounted on the plate body 11, the profile of the non-woven fabric wrapping portion 122 coincides with the profile of the plate body 11, i.e., completely covers the plate body 11. It should be noted that, in order to more clearly show the structure and the matching relationship between the heating layer 12 and the plate body 11 in the present embodiment, a part of the heating layer 12 is cut away in fig. 1.

In some preferred embodiments, referring to fig. 9, the backrest plate 1 further includes a breathable cloth cover 15, the breathable cloth cover 15 is sleeved on the plate body 11, and the heating layer 12 is located between the breathable cloth cover 15 and the plate body 11, so that ventilation can achieve the functions of heat locking and ventilation, and meanwhile, replacement and cleaning are facilitated. The breathable cloth cover 15 is a breathable cloth cover, and is a cloth cover commonly used in a waist pad in the prior art.

The back plate 1 in this embodiment, according to ohm's law, the heating wire 121 can reach the constant temperature automatically under the fixed condition of voltage, provides better and safe heating experience, can set for high-grade, medium-grade and low-grade as required and adjust. Wherein, in the region that has bleeder vent 111, heating wire 121 arranges around bleeder vent 111, when providing the heat, also can minimize the influence to the function of ventilation, the balance of realization heating and ventilation function that can be better, in addition, zone of heating 12 sets up on the surface of plate body 11, sets up with plate body 11 shape-following promptly, and the laminating nature is good, can further improve the effect of heating.

In some embodiments, the heating wire 121 is made of a copper-nickel alloy wire.

Example two

Referring to fig. 10 to 13, the second embodiment is basically the same as the first embodiment in the layout of the heating wires 121, and the same parts are not repeated herein, except for the following differences: the heating layer 12 is a heating wire 121 with a continuous bending back, a containing groove (not shown in the figure) is preset on the plate body 11, the containing groove has a plurality of continuous bending back, and the heating wire 121 is embedded in the containing groove to complete the fixing of the heating layer 12 and the plate body 11.

In other embodiments, the heating layer 12 may also be integrally fixed to the plate body 11 by gluing, or may also be fixed by a self-locking strap, for example, a strap through hole is provided in the plate body 11, and two strap through holes are in a group and located on two sides of the heating wire 121, and the self-locking strap is locked after passing through a group of strap through holes, so as to fix the heating wire 121 and the plate body 11.

EXAMPLE III

Referring to fig. 14, the present embodiment provides a waist pad, which comprises two backrest panels 1 spaced from each other at left and right, wherein each backrest panel 1 is connected to a back panel 3 through a buffer connecting portion 2. The back plate 1 may adopt any one of the first embodiment and the second embodiment, and the detailed structure is not described herein.

Preferably, the heating wires 121 of the two backrest plates 1 share one temperature controller 13, so as to facilitate integral adjustment.

Of course, in other embodiments, the backrest plate 1 may also be a left-right integrated backrest plate.

It should be noted that, the buffer connecting portion 2 and the back plate 3 may be implemented by using the prior art, and are not described herein again.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: each embodiment does not include only one independent technical solution, and in the case of no conflict between the solutions, the technical features mentioned in the respective embodiments can be combined in any way to form other embodiments which can be understood by those skilled in the art.

Furthermore, modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the scope of the present invention, and the essence of the corresponding technical solutions does not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (11)

1. A backrest plate comprises a plate body, wherein a plurality of air holes penetrating through the plate body are distributed on the plate body;

the heating layer is arranged on one side of the plate body, the heating range of the electric heating wire covers the plate body, at least part of the electric heating wire is bent back and distributed around the air holes, and the air holes are not shielded;

the heating wire is electrically connected with a temperature controller, and the heating temperature is adjusted through the temperature controller.

2. The backrest plate of claim 1, wherein: the zone of heating still includes non-woven fabrics parcel portion, the heating wire wrap up in the non-woven fabrics parcel portion, and it is relative the non-woven fabrics parcel portion is fixed, the zone of heating passes through non-woven fabrics parcel portion fixed mounting be in the plate body.

3. The backrest plate of claim 2, wherein: the shape of non-woven fabrics parcel portion with the plate body is the same, the zone of heating is installed during the plate body, the profile of non-woven fabrics parcel portion with the profile coincidence of plate body.

4. The backrest plate of claim 2, wherein: the electric heating wire and the non-woven fabric wrapping part are fixed through gluing.

5. The backrest plate of claim 2, wherein: the non-woven fabric wrapping part is provided with heat dissipation holes penetrating through the non-woven fabric wrapping part, and when the heating layer is installed on the plate body, each heat dissipation hole is communicated with the corresponding air vent.

6. The backrest plate as claimed in any one of claims 2 to 5, wherein: the non-woven fabric wrapping part and the plate body are fixed through two snap fasteners.

7. The backrest plate as claimed in any one of claims 2 to 5, wherein: still include ventilative cloth cover, ventilative cloth ways is established the plate body, the zone of heating is located ventilative cloth cover with between the plate body.

8. The backrest plate of claim 1, wherein: the surface of the plate body is provided with an accommodating groove which bypasses the air holes, and the heating wire is arranged in the accommodating groove.

9. The backrest plate according to claim 1 or 8, wherein: the heating wire is covered with the plate body, every the back bend is whole to be the U type, comprises two back bend sections, two the one end of back bend section is connected, two adjacent back bend sharing one the back bend section.

10. The backrest plate according to claim 1 or 8, wherein: the electric heating wire is made of copper-nickel alloy wires.

11. A lumbar pad characterized by: comprising a backrest plate according to any of claims 1-10.

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