阅读说明：本技术 用于屋顶绿化的环保雨水收集遮挡一体化装置 (A environmental protection rainwater is collected and is sheltered from integrated device for roof greening ) 是由 张凌啸 许生军 陆鹏 王志华 刘亮 应嘉骏 于 2021-07-20 设计创作，主要内容包括：本发明属于屋顶绿化设备技术领域,尤其涉及一种用于屋顶绿化的环保雨水收集遮挡一体化装置。本发明,包括屋顶绿植板,所述的屋顶绿植板底部设有排水固定板,所述的屋顶绿植板顶部设有顶部固定板。本发明通过设置滑动式雨水收集遮挡组件,当遇到降雨时,移动滑动式雨水收集遮挡组件,打开雨水收集箱的开口,使得雨水可进入至雨水收集箱内,对雨水进行自动收集,收集的水资源可在干燥时通过洒水件对绿植进行自动浇灌,自动化程度较高,若遇到暴雨、强降雨情况时,移动滑动式雨水收集遮挡组件,使得滑动式雨水收集遮挡组件位于屋顶绿植板正上方,形成挡雨结构,避免强降雨将屋顶绿植板上的绿植冲落,提高了绿植的存活率,实用性较强。(The invention belongs to the technical field of roof greening equipment, and particularly relates to an environment-friendly rainwater collecting and shielding integrated device for roof greening. The invention comprises a roof green plant plate, wherein a drainage fixing plate is arranged at the bottom of the roof green plant plate, and a top fixing plate is arranged at the top of the roof green plant plate. According to the invention, by arranging the sliding type rainwater collecting and shielding assembly, when raining occurs, the sliding type rainwater collecting and shielding assembly is moved, the opening of the rainwater collecting box is opened, rainwater can enter the rainwater collecting box, rainwater is automatically collected, collected water resources can be used for automatically irrigating green plants through the sprinkling piece when the green plants are dry, the automation degree is higher, and if rainstorm and heavy rainfall conditions occur, the sliding type rainwater collecting and shielding assembly is moved, so that the sliding type rainwater collecting and shielding assembly is positioned right above the green plant plates on the roof to form a rain shielding structure, the green plants on the green plant plates on the roof are prevented from being washed down by the heavy rainfall, the survival rate of the green plants is improved, and the practicability is higher.)

1. The utility model provides an environmental protection rainwater is collected and is sheltered from integrated device for roof greening, includes the green board (1) of planting in roof, its characterized in that, the green board (1) bottom of planting in roof be equipped with drainage fixed plate (2), the green board (1) top of planting in roof be equipped with top fixed plate (3), top fixed plate (3) in be equipped with rainwater collecting box (4), the green board (1) of planting in roof on be equipped with watering spare (5), watering spare (5) link to each other with rainwater collecting box (4), the green board (1) of planting in roof on be equipped with the slidingtype rainwater that can follow straight reciprocating motion and collect and shelter from subassembly (6), the slidingtype rainwater collect and shelter from the position of subassembly (6) and rainwater collecting box (4) corresponding.

2. The environment-friendly rainwater collecting and shielding integrated device for roof greening according to claim 1, wherein the sliding type rainwater collecting and shielding assembly (6) comprises a box body shielding plate (7) arranged on the roof green plant plate (1), the box body shielding plate (7) is in sliding fit with the rainwater collecting box (4), a rainwater through cavity (8) is arranged in the box body shielding plate (7), the position of the rainwater through cavity (8) corresponds to that of the rainwater collecting box (4), the shape of the rainwater through cavity is matched with that of the rainwater collecting box, a shielding support member (9) capable of reciprocating along a straight line is arranged on the roof green plant plate (1), and the shielding support member (9) is in butt fit with the box body shielding plate (7).

3. An environment-friendly rainwater collecting and shielding integrated device for roof greening according to claim 2, wherein a plurality of sliding grooves (10) which are symmetrical along the central line of the rainwater collecting box (4) are arranged in the rainwater collecting box (4), the bottom of the box shielding plate (7) is provided with an anti-deviation sliding strip (11), the anti-deviation sliding strip (11) extends into the sliding groove (10), and the anti-deviation sliding strip (11) is in sliding fit with the sliding groove (10).

4. An environment-friendly rainwater collecting and shielding integrated device for roof greening according to claim 3, wherein a supporting frame (12) is arranged on the roof green plant plate (1), a driving mounting seat (13) is arranged on the supporting frame (12), a linear driver (14) is arranged in the driving mounting seat (13), and a power shaft of the linear driver (14) is connected with the box body shielding plate (7).

5. An environment-friendly rainwater collection and shielding integrated device for roof greening according to claim 4, wherein the shielding support member (9) comprises a support base (15) arranged on the roof greening plate (1), an electric telescopic rod sleeve (16) is arranged in the support base (15), an electric telescopic rod (17) is arranged in the electric telescopic rod sleeve (16), an end clamping plate (18) is arranged on the box body shielding plate (7), and the electric telescopic rod (17) corresponds to the end clamping plate (18).

6. An environment-friendly rainwater collection and shielding integrated device for roof greening according to claim 5, wherein the electric telescopic rod sleeve (16) and the electric telescopic rod (17) are both arranged obliquely, the electric telescopic rod (17) is positioned below the end clamping plate (18), and the electric telescopic rod (17) is in butt fit with the end clamping plate (18).

7. An environment-friendly rainwater collecting and shielding integrated device for roof greening according to claim 6, wherein the sprinkling member (5) comprises a plurality of sprinkling heads (19) arranged on the roof greening plate (1), the sprinkling heads (19) are connected with the rainwater collecting box (4) through connecting pipe parts (20), a plurality of planting cavities (21) are arranged in the roof greening plate (1), and the planting cavities (21) and the sprinkling heads (19) are arranged in a staggered manner.

8. An environmentally friendly rainwater collecting and shielding integrated device for roof greening according to claim 7, wherein said connecting pipe portion (20) comprises a connecting pipe (22) disposed between said sprinkler head (19) and said rainwater collecting tank (4), one end of said connecting pipe (22) is connected to said sprinkler head (19), and the other end is connected to said rainwater collecting tank (4), and said connecting pipe (22) is internally provided with a booster pump.

9. An environment-friendly rainwater collecting and shielding integrated device for roof greening as claimed in claim 8, wherein the top of the drainage fixing plate (2) is provided with an inclined surface, a drainage through groove (23) is arranged in the drainage fixing plate (2), and the drainage through groove (23) corresponds to the position of the sprinkler head (19).

10. An environmentally friendly rainwater collecting and shielding integrated device for roof greening according to claim 9, wherein said rainwater collecting box (4) is provided with an impurity filtering plate (24), and said impurity filtering plate (24) is provided with a plurality of filtering holes (25) symmetrical along the center line of said impurity filtering plate (24).

Technical Field

The invention belongs to the technical field of roof greening equipment, and relates to an environment-friendly rainwater collecting and shielding integrated device for roof greening.

Background

The international popular definition of roof greening is a planting technology which is separated from the ground atmosphere, the roof greening is used as a greening form which does not occupy the ground, the application of the roof greening is more and more extensive, the roof greening adds green to the city, the urban environment is beautified, and the roof greening has extremely important significance for improving the ecological effect. On the basis of the existing light greening technology of buildings, aiming at the defect that roof greening at the present stage is only beautiful and neglected ecologically, the method researches how to achieve the ecotype while ensuring the landscape effect, constructs a micro habitat in a city and achieves the aim of harmonious coexistence of people and nature. Current roof greening water-collecting equipment generally can only automatic collection rainwater, when meeting with the torrential rain or the heavy rainfall condition, is difficult to shelter from and guarantees the roof greening structure, and green planting is easily by dashing down, influences the survival rate of green planting, and function singleness and practicality are comparatively general.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a Chinese patent discloses an ecological energy-saving roof [ application number: 201721384774.4], comprising: a green planting tank installed on the roof; the rainwater collecting device is installed on the building and used for collecting rainwater and conveying the rainwater to the green planting groove; implement above-mentioned technical scheme's ecological energy-conserving roof, through set up rainwater collection device on building, the rainwater of utilizing the collection waters green planting on the roof, through the rational utilization rainwater, has reduced consumeing to the water resource to the water economy resource. But this scheme is when meeting with the heavy rain or the heavy rainfall condition, still is difficult to shelter from and guarantees the roof greening structure, and green planting is fallen by dashing easily, influences the survival rate of green planting, has the function singleness and the comparatively general defect of practicality.

Disclosure of Invention

The invention aims to solve the problems and provides an environment-friendly rainwater collecting and shielding integrated device for roof greening.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an environmental protection rainwater is collected and is sheltered from integrated device for roof greening, includes the green board of planting in roof, the green board bottom of planting in roof be equipped with the drainage fixed plate, the green board top of planting in roof be equipped with the top fixed plate, the top fixed plate in be equipped with the rainwater collecting box, the green board of planting in roof on be equipped with the watering spare, watering spare link to each other with the rainwater collecting box, the green board of planting in roof on be equipped with can follow linear reciprocating motion's slidingtype rainwater and collect and shelter from the subassembly, the slidingtype rainwater collect and shelter from the position of subassembly and rainwater collecting box corresponding.

In foretell an environmental protection rainwater collection shelters from integrated device for roof greening, slidingtype rainwater collect and shelter from the subassembly including setting up the box shielding plate on the green board of planting of roof, box shielding plate and rainwater collection box looks sliding fit, the box shielding plate in be equipped with the rainwater and lead to the chamber, the rainwater lead to the chamber and the corresponding and shape of position of rainwater collection box match and suit, the green board of planting of roof on be equipped with can follow straight reciprocating motion's the support piece that shelters from, shelter from support piece and box shielding plate looks butt cooperation.

In the environmental-friendly rainwater collecting and shielding integrated device for roof greening, the rainwater collecting box is internally provided with a plurality of sliding grooves which are symmetrical along the central line of the rainwater collecting box, the bottom of the box shielding plate is provided with the deviation-preventing sliding strips, the deviation-preventing sliding strips extend into the sliding grooves, and the deviation-preventing sliding strips are in sliding fit with the sliding grooves.

In the above-mentioned environmental protection rainwater that is used for roof greening collects shelters from integrated device, the green board of planting of roof on be equipped with the support frame, the support frame on be equipped with the drive mount pad, the drive mount pad in be equipped with the sharp driver, the power shaft of sharp driver link to each other with the box shielding plate.

In foretell an environmental protection rainwater for roof greening collects shelters from integrated device, shelter from support piece including setting up the support base on the green board of planting in roof, the support base in be equipped with electric telescopic rod cover, electric telescopic rod cover in be equipped with electric telescopic handle, the box shielding plate on be equipped with the tip cardboard, electric telescopic handle corresponding with the position of tip cardboard.

In the above-mentioned environmental protection rainwater that is used for roof greening collects and shelters from integrated device, electric telescopic rod cover and electric telescopic handle all be the slope setting, electric telescopic handle be located tip cardboard below, electric telescopic handle and tip cardboard looks butt cooperation.

In foretell an environmental protection rainwater for roof greening collects shelters from integrated device, sprinkler include a plurality of sprinkler heads that set up on the green board of planting in roof, sprinkler head and rainwater collecting box between link to each other through the connecting tube portion, the green board of planting in roof in be equipped with a plurality of planting chambeies, planting chamber and sprinkler head crisscross setting.

In the above-mentioned environmental protection rainwater that is used for roof greening collects shelters from integrated device, connecting pipe portion including set up the connecting pipe between sprinkler head and rainwater collecting box, connecting pipe one end link to each other with the sprinkler head, the other end links to each other with the rainwater collecting box, the connecting pipe in be equipped with the booster pump.

In the above-mentioned environmental-friendly rainwater collecting and shielding integrated device for roof greening, an inclined plane is arranged at the top of the drainage fixing plate, a drainage through groove is arranged in the drainage fixing plate, and the drainage through groove corresponds to the position of the sprinkler head.

In the above-mentioned environmental protection rainwater that is used for roof greening collects and shelters from integrated device, the rainwater collecting box in be equipped with the impurity filter, the impurity filter in be equipped with a plurality of filtration holes along impurity filter central line symmetry.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, by arranging the sliding type rainwater collecting and shielding assembly, when raining occurs, the sliding type rainwater collecting and shielding assembly is moved, the opening of the rainwater collecting box is opened, rainwater can enter the rainwater collecting box, rainwater is automatically collected, collected water resources can be used for automatically irrigating green plants through the sprinkling piece during drying, the automation degree is higher, if rainstorm and heavy rainfall conditions occur, the sliding type rainwater collecting and shielding assembly is moved, so that the sliding type rainwater collecting and shielding assembly is positioned right above the green plant plates on the roof, the upper parts of the green plant plates on the roof are covered through the sliding type rainwater collecting and shielding assembly, a rain shielding structure is formed, the green plants on the green plant plates on the roof are prevented from being washed down by heavy rainfall, the survival rate of the green plants is improved, and the practicability is stronger.

2. According to the rainwater collecting box, the impurity filtering plates are arranged, so that rainwater enters the bottom of the rainwater collecting box through the impurity filtering plates when rainwater is collected, impurities carried in the rainwater can be filtered through the filtering holes, and the connecting pipe is prevented from being blocked.

3. According to the invention, the inclined plane is arranged at the top of the drainage fixing plate, so that water flowing to the drainage fixing plate can automatically fall down and can not be accumulated on the drainage fixing plate, and finally, the water is automatically discharged through the drainage through groove without manual drainage.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the sliding rainwater collecting shielding assembly.

Fig. 3 is a schematic sectional view of the rainwater collection tank.

Fig. 4 is a schematic view of the structure of the impurity filter plate.

In the figure: the device comprises a roof green plant plate 1, a drainage fixing plate 2, a top fixing plate 3, a rainwater collecting box 4, a sprinkler 5, a sliding type rainwater collecting and shielding assembly 6, a box shielding plate 7, a rainwater through cavity 8, a shielding and supporting piece 9, a sliding chute 10, a deviation-preventing slide bar 11, a supporting frame 12, a driving mounting seat 13, a linear driver 14, a supporting base 15, an electric telescopic rod sleeve 16, an electric telescopic rod 17, an end clamping plate 18, a sprinkler head 19, a connecting pipe part 20, a planting cavity 21, a connecting pipe 22, a drainage through groove 23, an impurity filtering plate 24 and a filtering hole 25.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1-4, an environmental protection rainwater collecting and shielding integrated device for roof greening comprises a roof green planting plate 1, wherein a drainage fixing plate 2 is arranged at the bottom of the roof green planting plate 1, a top fixing plate 3 is arranged at the top of the roof green planting plate 1, a rainwater collecting box 4 is arranged in the top fixing plate 3, a sprinkling piece 5 is arranged on the roof green planting plate 1, the sprinkling piece 5 is connected with the rainwater collecting box 4, a sliding type rainwater collecting and shielding component 6 capable of reciprocating along a straight line is arranged on the roof green planting plate 1, and the sliding type rainwater collecting and shielding component 6 corresponds to the rainwater collecting box 4.

In the embodiment, in the using process, the roof green planting plate 1 is placed on the slope of the roof, the roof green planting plate 1 is fixed through the top fixing plate 3, when raining occurs, the sliding type rainwater collecting and shielding component 6 is moved, the opening of the rainwater collecting box 4 is opened, rainwater can enter the rainwater collecting box 4, rainwater is automatically collected, the collected water resource can automatically irrigate green plants through the sprinkling piece 5 during drying, the automation degree is higher, if rainstorm and heavy rainfall occur, the sliding type rainwater collecting and shielding component 6 is moved, the sliding type rainwater collecting and shielding component 6 is positioned right above the roof green planting plate 1, the sliding type rainwater collecting and shielding component 6 covers the upper part of the roof green planting plate 1 to form a rain shielding structure, the green plants on the roof green planting plate 1 are prevented from being washed down by the heavy rainfall, and the survival rate of the green plants is improved, the practicability is stronger.

Referring to fig. 1 and 2, the sliding rainwater collecting and shielding assembly 6 includes a box shielding plate 7 disposed on a roof green plant plate 1, the box shielding plate 7 is in sliding fit with a rainwater collection box 4, a rainwater through cavity 8 is disposed in the box shielding plate 7, the rainwater through cavity 8 corresponds to the rainwater collection box 4 in position and matches in shape, a shielding support member 9 capable of reciprocating along a straight line is disposed on the roof green plant plate 1, and the shielding support member 9 is in abutting fit with the box shielding plate 7.

Specifically speaking, when meetting rainfall weather, remove box shielding plate 7, make the rainwater lead to chamber 8 and rainwater collecting box 4 and align, rainwater accessible rainwater leads to chamber 8 and gets into to rainwater collecting box 4 in, when needs torrential rain, when the heavy rainfall condition, it covers to remove box shielding plate 7 to the green board 1 top of planting in roof, the rethread shelters from support piece 9 and carries out the butt with the green board 1 of planting in roof, form triangular support structure and rain-sheltering structure, avoid heavy rainfall to plant the green plant of planting on the board 1 in roof and dash and fall, the survival rate of green planting has been improved, steadiness and practicality are stronger.

Referring to fig. 2 and 3, a plurality of sliding grooves 10 are arranged in the rainwater collection box 4 and are symmetrical along the central line of the rainwater collection box 4, the bottom of the box body shielding plate 7 is provided with an anti-deviation sliding strip 11, the anti-deviation sliding strip 11 extends into the sliding grooves 10, and the anti-deviation sliding strip 11 is in sliding fit with the sliding grooves 10.

In this embodiment, in the moving process of the box shielding plate 7, the box shielding plate 7 is limited by the sliding fit between the anti-deviation sliding strip 11 and the sliding groove 10, so that the box shielding plate 7 is prevented from being angularly deviated in the moving process, and the accuracy of the displacement of the box shielding plate 7 is improved.

The green board of planting of roof 1 on be equipped with support frame 12, support frame 12 on be equipped with drive mount pad 13, drive mount pad 13 in be equipped with sharp driver 14, the power shaft of sharp driver 14 link to each other with box shielding plate 7.

In this embodiment, the supporting frame 12 is used to fixedly support the driving mounting seat 13, the driving mounting seat 13 is used to mount and fix the linear actuator 14, when the box shielding plate 7 needs to be moved, the linear actuator 14 is started, and the power shaft of the linear actuator 14 drives the box shielding plate 7 to move, and it should be understood by those skilled in the art that the linear actuator 14 may be an air cylinder, an oil cylinder, or a linear motor.

Referring to fig. 1, the shielding and supporting member 9 includes a supporting base 15 disposed on the green plant plate 1 on the roof, an electric telescopic rod sleeve 16 is disposed in the supporting base 15, an electric telescopic rod 17 is disposed in the electric telescopic rod sleeve 16, an end clamping plate 18 is disposed on the box shielding plate 7, and the electric telescopic rod 17 corresponds to the end clamping plate 18.

In this embodiment, support base 15 and be used for installing fixed electric telescopic rod cover 16, when box shielding plate 7 removed to the green board 1 top of planting in roof, carry out the butt with tip cardboard 18 on the box shielding plate 7 through electric telescopic handle 17, form triangular support structure and structure of keeping off the rain, avoid heavy rainfall to plant the green of planting on the board 1 in roof and dash and fall, improved the survival rate that green was planted, steadiness and practicality are stronger.

Electric telescopic rod cover 16 and electric telescopic rod 17 all be the slope setting, electric telescopic rod 17 be located tip cardboard 18 below, electric telescopic rod 17 and tip cardboard 18 looks butt cooperation.

In this embodiment, electric telescopic rod sleeve 16 and electric telescopic rod 17 all are the slope setting, are convenient for form triangular supports structure, and stability is stronger.

The sprinkler 5 comprises a plurality of sprinkler heads 19 arranged on the green plant board 1 on the roof, the sprinkler heads 19 are connected with the rainwater collecting box 4 through connecting pipe parts 20, a plurality of planting cavities 21 are arranged in the green plant board 1 on the roof, and the planting cavities 21 and the sprinkler heads 19 are arranged in a staggered mode.

In this embodiment, the planting cavity 21 is used for planting green plants, when the green plants on the green plant plate 1 on the roof are required to be watered, the sprinkler 19 is started to water the green plants, and the connecting pipe portion 20 can convey the water in the rainwater collection tank 4 to the sprinkler 19.

Referring to fig. 1, the connecting pipe portion 20 includes a connecting pipe 22 disposed between the sprinkler 19 and the rainwater collection tank 4, one end of the connecting pipe 22 is connected to the sprinkler 19, the other end is connected to the rainwater collection tank 4, and a pressurizing pump is disposed in the connecting pipe 22.

In this embodiment, the connection pipe 22 can transport the water in the rainwater collection tank 4 to the sprinkler 19, and the pressurizing pump can pressurize the transported water.

Referring to fig. 1, an inclined plane is disposed on the top of the drain fixing plate 2, a drain through groove 23 is disposed in the drain fixing plate 2, and the drain through groove 23 corresponds to the position of the sprinkler 19.

In this embodiment, the top of the drainage fixing plate 2 is provided with an inclined plane, so that water flowing onto the drainage fixing plate 2 automatically falls down, and cannot be accumulated on the drainage fixing plate 2, and finally, the water is automatically discharged through the drainage through groove 23 without manual drainage.

The rainwater collecting box 4 in be equipped with impurity filter 24, impurity filter 24 in be equipped with a plurality of filter pores 25 along the symmetry of impurity filter 24 central line.

In this embodiment, when collecting the rainwater, the rainwater enters into rainwater collection box 4 bottom through impurity filter 24, and filter hole 25 can filter the impurity that carries in the rainwater, avoids blockking up connecting pipe 22.

The working principle of the invention is as follows:

in the use process, the roof green planting plate 1 is placed on the inclined plane of the roof, the roof green planting plate 1 is fixed through the top fixing plate 3, when rainfall occurs, the box body baffle plate 7 is moved, the rainwater through cavity 8 is aligned with the rainwater collecting box 4, rainwater can enter the rainwater collecting box 4 through the rainwater through cavity 8 to be automatically collected, the collected water resource can be used for automatically irrigating green plants through the sprinkler head 19 during drying, the automation degree is high,

when needs rainstorm, during the heavy rainfall condition, move box shielding plate 7 and cover to the green board 1 top of planting in roof, when box shielding plate 7 moves to the green board 1 top of planting in roof, carry out the butt through electric telescopic handle 17 with tip cardboard 18 on the box shielding plate 7, form triangular support structure and keep off the rain structure, avoid heavy rainfall to dash to fall with the green planting on planting board 1 in roof, green survival rate of planting has been improved, steadiness and practicality are stronger, electric telescopic rod cover 16 and electric telescopic handle 17 all are the slope setting, be convenient for form triangular support structure, stability is stronger.

The planting cavity 21 is used for planting green plants, when the green plants on the green plant plate 1 on the roof need to be irrigated, the sprinkler 19 is started to irrigate the green plants, the connecting pipe 22 can convey water in the rainwater collecting box 4 to the sprinkler 19, and the booster pump can boost the conveyed water.

When collecting the rainwater, the rainwater enters into rainwater collecting box 4 bottom through impurity filter 24, filters the impurity that the hole 25 can carry in the rainwater and filters, avoids blockking up connecting pipe 22.

The inclined plane is arranged at the top of the drainage fixing plate 2, so that water flowing to the drainage fixing plate 2 can automatically fall down and cannot be accumulated on the drainage fixing plate 2, and finally, the water is automatically discharged through the drainage through groove 23 without manual drainage.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention.

Although the terms of roof green sheet 1, drain fixing sheet 2, roof fixing sheet 3, rainwater collection box 4, sprinkler 5, sliding rainwater collection shade assembly 6, box shade 7, rainwater through chamber 8, shade support 9, chute 10, anti-deviation slide bar 11, support frame 12, drive mount 13, linear actuator 14, support base 15, electric telescopic rod cover 16, electric telescopic rod 17, end clamp plate 18, sprinkler 19, connecting tube portion 20, planting chamber 21, connecting tube 22, drainage channel 23, impurity filter sheet 24, filter hole 25, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.