阅读说明：本技术 一种房屋建筑排水结构 (House building drainage structures ) 是由 邱传映 黄绍开 周杰 于 2021-09-24 设计创作，主要内容包括：本申请涉及房建的技术领域,公开了一种房屋建筑排水结构,其包括屋顶,屋顶上开设有安装孔,安装孔内穿设且固定连接有排水管,排水管的上方开设有排水孔,排水管内设置有封堵结构,封堵结构包括与排水孔内壁固定连接的第一固定环和第二固定环,第一固定环位于第二固定环的下方,第一固定环上开设有第一固定孔和透水孔,第二固定环上开设有第二固定孔,第一固定孔内穿设有固定杆,固定杆朝向第二固定环的一侧设置有固定盘,固定盘的外径大于第二固定孔的内径,固定杆外套设有弹簧,弹簧的两端分别与第一固定环和固定盘抵接；固定盘上方未受力时,固定盘与第二固定环的下端面抵接,本申请具有防止排水管堵塞的效果。(The application relates to the technical field of building construction, and discloses a house building drainage structure, which comprises a roof, wherein a mounting hole is formed in the roof, a drainage pipe penetrates through the mounting hole and is fixedly connected with the drainage pipe, a drainage hole is formed above the drainage pipe, a plugging structure is arranged in the drainage pipe and comprises a first fixing ring and a second fixing ring which are fixedly connected with the inner wall of the drainage hole, the first fixing ring is positioned below the second fixing ring, a first fixing hole and a water permeable hole are formed in the first fixing ring, a second fixing hole is formed in the second fixing ring, a fixing rod penetrates through the first fixing hole, a fixing disc is arranged on one side, facing the second fixing ring, of the fixing rod, the outer diameter of the fixing disc is larger than the inner diameter of the second fixing hole, a spring is sleeved outside the fixing rod, and two ends of the spring are respectively abutted against the first fixing ring and the fixing disc; when the fixed disk top atress was not done all can, the lower terminal surface butt of fixed disk and the solid fixed ring of second, this application has the effect that prevents the drain pipe jam.)

1. The utility model provides a housing construction drainage structures, includes roof (1), the mounting hole has been seted up on roof (1), wears to establish and fixedly connected with drain pipe (2) in the mounting hole, wash port (21), its characterized in that have been seted up to the top of drain pipe (2): a blocking structure (3) is arranged in the drain pipe (2), the blocking structure (3) comprises a first fixing ring (31) and a second fixing ring (32) which are fixedly connected with the inner wall of the drain hole (21), the first fixing ring (31) is positioned below the second fixing ring (32), the first fixing ring (31) is provided with a first fixing hole (311) and a water permeable hole (312), a second fixing hole (321) is arranged on the second fixing ring (32), a fixing rod (33) penetrates through the first fixing hole (311), a fixed disc (34) is arranged on one side of the fixed bar (33) facing the second fixed ring (32), the outer diameter of the fixed disc (34) is larger than the inner diameter of the second fixed hole (321), a spring (35) is sleeved outside the fixing rod (33), and two ends of the spring (35) are respectively abutted against the first fixing ring (31) and the fixing ring (34); when no force is applied to the upper part of the fixed disk (34), the fixed disk (34) is abutted against the lower end surface of the second fixed ring (32).

2. The housing construction drainage structure of claim 1, wherein: dead lever (33) overcoat is equipped with first folding pipe (36), spring (35) are located inside first folding pipe (36), the both ends of first folding pipe (36) are connected with first solid fixed ring (31) and fixed disk (34) respectively.

3. The housing construction drainage structure of claim 1, wherein: the second chamfer has been seted up on the solid fixed ring of second (32), the second chamfer sets up in the juncture of the lower terminal surface of the solid fixed ring of second (32) and second fixed orifices (321) inner wall, third chamfer (341) have been seted up to the up end of fixed disk (34), third chamfer (341) inclined plane and the laminating of second chamfer inclined plane.

4. A housing construction drainage arrangement according to claim 3, wherein: and a flow passage (342) is formed in the inclined surface of the third chamfer (341), and the flow passage (342) is communicated with the upper end surface and the lower end surface of the fixed disc (34).

5. The housing construction drainage structure of claim 1, wherein: be provided with limit structure between first solid fixed ring (31) and dead lever (33), spacing groove (331) have been seted up to the outer periphery of dead lever (33), limit structure include with first fixed orifices (311) inner wall fixed connection's stopper (6), stopper (6) slide to set up in spacing groove (331).

6. The housing construction drainage structure of claim 5, wherein: the top of first solid fixed ring (31) is rotated and is connected with activity ring (4), activity hole (41) that supply dead lever (33) to pass are seted up in activity ring (4), the outer periphery of activity ring (4) is provided with doctor-bar (42), the lower terminal surface of doctor-bar (42) and the up end laminating of first solid fixed ring (31).

7. The housing construction drainage structure of claim 6, wherein: be provided with drive structure (7) between activity ring (4) and dead lever (33), helicla flute (332) have been seted up to the outer periphery of dead lever (33), spacing groove (331) inner wall is less than helicla flute (332) inner wall to the distance of dead lever (33) axis, drive structure (7) include with activity hole (41) inner wall fixed connection's circle axle (71), circle axle (71) overcoat is equipped with gyro wheel (72), gyro wheel (72) slide to set up in helicla flute (332).

8. The housing construction drainage structure of claim 6, wherein: be provided with drive structure (7) between activity ring (4) and dead lever (33), helicla flute (332) have been seted up to the outer periphery of dead lever (33), spacing groove (331) inner wall is less than helicla flute (332) inner wall to the distance of dead lever (33) axis, activity hole (41) inner wall is seted up fluted (43), drive structure (7) include with first fixed orifices (311) inner wall fixed connection's stopper (6) and set up ball (73) in recess (43), stopper (6) slide and set up in spacing groove (331), ball (73) slide and set up in helicla flute (332).

9. A housing construction drainage arrangement according to claim 7 or 8, wherein: the two driving structures (7) are arranged, and the two driving structures (7) are distributed along the axis circumference array of the fixing rod (33).

10. The housing construction drainage structure of claim 1, wherein: a water collecting tank (8) is arranged under the drain pipe (2), and a water collecting tank (81) is arranged above the water collecting tank (8).

Technical Field

The application relates to the technical field of house construction, in particular to a house building drainage structure.

Background

Currently, a house is a building that lives people or stores things.

In the related art, the house comprises a roof, a through hole is formed in the roof, a drain pipe penetrates through the through hole, and a drain hole is formed in the drain pipe.

In view of the above-mentioned related art, the inventor believes that when the drain pipe is not used, foreign matters enter the drain pipe from above the drain hole, and when water passes through the drain pipe, the foreign matters contact with the water, so that the foreign matters are easily adhered to the inner wall of the drain hole, thereby easily blocking the drain hole, reducing the drainage efficiency of the drain pipe, and easily accumulating water on the roof.

Disclosure of Invention

In order to improve that the drain pipe is blockked up, this application provides a housing construction drainage structures.

The application provides a housing construction drainage structures adopts following technical scheme:

a house building drainage structure comprises a roof, wherein a mounting hole is formed in the roof, a drain pipe penetrates through the mounting hole and is fixedly connected with the drain pipe, a drain hole is formed above the drain pipe, a blocking structure is arranged in the drain pipe and comprises a first fixing ring and a second fixing ring which are fixedly connected with the inner wall of the drain hole, the first fixing ring is positioned below the second fixing ring, a first fixing hole and a water permeable hole are formed in the first fixing ring, a second fixing hole is formed in the second fixing ring, a fixing rod penetrates through the first fixing hole, a fixing disc is arranged on one side, facing the second fixing ring, of the fixing rod, the outer diameter of the fixing disc is larger than the inner diameter of the second fixing hole, a spring is sleeved outside the fixing disc, and two ends of the spring are respectively abutted against the first fixing ring and the fixing disc; when the upper part of the fixed disk is not stressed, the fixed disk is abutted against the lower end face of the second fixed ring.

By adopting the technical scheme, when water is accumulated on the roof and the gravity of the water is greater than the acting force of the spring on the fixed disk, the fixed disk is descended, so that a gap is reserved between the fixed disk and the second fixed ring, the water can flow to the outlet below the water drainage pipe through the gap, and the effect of water drainage is achieved; the first fixing hole is plugged through the fixing disc, so that foreign matters are not easy to enter the drainage pipe, and the drainage pipe is not easy to block.

Optionally, the dead lever overcoat is equipped with first folding pipe, the spring is located inside first folding pipe, the both ends of first folding pipe are connected with first solid fixed ring and fixed disk respectively.

Through adopting above-mentioned technical scheme, when water flows in the drain pipe, the dirt of aquatic can be infected with on first folding pipe, and the water yield increase drive dead lever in the drain pipe descends or the water yield in the drain pipe reduces the time spring drive dead lever rises, and above-mentioned process can make first folding pipe fold or expand to it is not hard up to make the dirt on the first folding pipe, and the water of being convenient for clears up the dirt, prevents that the drain pipe from blockking up.

Optionally, a second chamfer is arranged on the second fixing ring, the second chamfer is arranged at the junction of the lower end face of the second fixing ring and the inner wall of the second fixing hole, a third chamfer is arranged on the upper end face of the fixing disc, and the inclined plane of the third chamfer is attached to the inclined plane of the second chamfer.

Through adopting above-mentioned technical scheme, set up second chamfer and third chamfer, when making the solid fixed ring butt of fixed disk and second, sealed effect is better.

Optionally, a runner is formed on the inclined plane of the third chamfer, and the runner is communicated with the upper end face and the lower end face of the fixed disc.

Through adopting above-mentioned technical scheme, the water that is when the fixed disk top is less to when unable messenger's fixed disk descends, the water of fixed disk top can enter into the below of the solid fixed ring of second through the runner, makes the difficult ponding of fixed disk top.

Optionally, be provided with limit structure between first solid fixed ring and the dead lever, the spacing groove has been seted up to the outer periphery of dead lever, limit structure include with first fixed orifices inner wall fixed connection's stopper, the stopper slides and sets up in the spacing inslot.

Through adopting above-mentioned technical scheme, the stopper is located the spacing inslot, plays limiting displacement, makes the dead lever difficult the rotation when going up and down, makes the dead lever can only elevating movement.

Optionally, the top of first solid fixed ring is rotated and is connected with the loose collar, the loose collar is seted up and is supplied the movable hole that the dead lever passed, the outer periphery of loose collar is provided with the doctor-bar, the lower terminal surface of doctor-bar and the laminating of the up end of first solid fixed ring.

Through adopting above-mentioned technical scheme, when the water-washed goes to the doctor-bar, water drive doctor-bar rotates, makes the doctor-bar scrape the material to the dirt of first solid fixed ring up end, makes the dirt enter into the hole that permeates water, clears up the dirt that will enter into the hole that permeates water by water, prevents that the dirt from piling up and making plugging structure block up.

Optionally, be provided with drive structure between activity ring and the dead lever, the helicla flute has been seted up to the outer periphery of dead lever, spacing inslot wall is less than helicla flute inner wall to the distance of dead lever axis, drive structure include with activity downthehole wall fixed connection's circle axle, the circle off-axial cover is equipped with the gyro wheel, the gyro wheel slides and sets up in the helicla flute.

Through adopting above-mentioned technical scheme, because the dead lever is spacing by spacing piece, make the dead lever unable rotation when going up and down, in addition because the gyro wheel is located the helicla flute, when the dead lever goes up and down, make the loose ring rotate, the loose ring drives the doctor-bar and rotates, makes the doctor-bar scrape the dirt on first solid fixed ring, is being washed away the dirt by water.

Optionally, be provided with drive structure between activity ring and the dead lever, the helicla flute has been seted up to the outer periphery of dead lever, spacing inslot wall is less than helicla flute inner wall to the distance of dead lever axis, the activity downthehole wall is seted up flutedly, drive structure include with first fixed orifices inner wall fixed connection's stopper and set up the ball in the recess, the stopper slides and sets up in the spacing inslot, the ball slides and sets up in the helicla flute.

Through adopting above-mentioned technical scheme, because the dead lever is spacing by spacing piece, make the dead lever unable rotation when going up and down, in addition because the ball is located the helicla flute, when the dead lever goes up and down, make the loose ring rotate, the loose ring drives the doctor-bar and rotates, makes the doctor-bar strike off the dirt on first solid fixed ring, is being washed away the dirt by water.

Optionally, the number of the driving structures is two, and the two driving structures are distributed along the axis of the fixing rod in a circumferential array.

Through adopting above-mentioned technical scheme, two drive structure compare in a drive structure, when the dead lever goes up and down, have improved the drive effect of fixed rod to the activity ring, make the better rotation of activity ring, scrape the foreign matter on the first solid fixed ring.

Optionally, a water collecting tank is arranged under the drain pipe, and a water collecting tank is arranged above the water collecting tank.

Through adopting above-mentioned technical scheme, the header tank is used for collecting the rainwater, makes the staff can utilize the rainwater of collecting again, has practiced thrift the water resource, plays the effect of environmental protection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the gravity of the water is larger than the acting force of the spring on the fixed disk, the fixed disk descends, a gap is reserved between the fixed disk and the second fixed ring, so that the water can flow to the lower outlet of the water drainage pipe through the gap, and the effect of water drainage is achieved; the first fixing hole is plugged through the fixing disc, so that foreign matters are not easy to enter the drainage pipe, and the drainage pipe is not easy to be plugged;

2. when the first folding pipe is arranged for compression and reset, foreign matters on the first folding pipe can be loosened, and water can wash away the foreign matters; the movable ring and the hanging knife are arranged to scrape foreign matters on the upper surface of the first fixing ring, so that water washes away the foreign matters;

3. the header tank is used for collecting rainwater, so that the collected rainwater can be reused by workers, water resources are saved, and the effect of environmental protection is achieved.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is a partial schematic view of the highlighted roof structure of example 1;

FIG. 3 is a partial cross-sectional view taken along line A-A of FIG. 1 and highlighting the blocking structure;

FIG. 4 is a schematic view of the structure of embodiment 1 with a drainage pipe cut away;

FIG. 5 is an exploded view of the salient driving structure in example 1;

fig. 6 is an exploded view of the salient driving structure in example 2.

Reference numerals: 1. a roof; 11. a wall body; 2. a drain pipe; 21. a drain hole; 22. a filter disc; 3. a blocking structure; 31. a first retaining ring; 311. a first fixing hole; 312. water permeable holes; 32. a second retaining ring; 321. a second fixing hole; 322. a first chamfer; 33. fixing the rod; 331. a limiting groove; 332. a helical groove; 333. a first threaded rod; 334. a second threaded rod; 34. fixing the disc; 341. a third chamfer; 342. a flow channel; 343. a first threaded hole; 35. a spring; 36. a first folded tube; 4. a movable ring; 41. a movable hole; 42. scraping a blade; 43. a groove; 5. a limiting disc; 51. a second folded tube; 52. a second threaded hole; 6. a limiting block; 7. a drive structure; 71. a circular shaft; 72. a roller; 73. a ball bearing; 8. a water collection tank; 81. a water collection tank; 82. a water outlet hole; 83. an overflow aperture.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example 1

The embodiment discloses a house building drainage structure. Referring to fig. 1 and 2, a drainage structure for a housing construction includes a wall 11 and a roof 1, wherein the roof 1 is fixedly connected to the upper side of the wall 11.

Referring to fig. 2 and 3, a mounting hole is formed in the roof 1, a drain pipe 2 is fixedly connected to the mounting hole in a penetrating manner, and a drain hole 21 is formed in the upper end of the drain pipe 2. A blocking structure 3 is arranged in the drain pipe 2, and the blocking structure 3 is positioned on one side of the drain hole 21 close to the upper opening. The blocking structure 3 comprises a first fixing ring 31, a second fixing ring 32, a fixing rod 33, a fixing disk 34 and a spring 35. The outer wall of the first fixing ring 31 is fixedly connected with the inner wall of the drainage hole 21, and the upper end of the first fixing ring 31 is provided with a first fixing hole 311.

Referring to fig. 3 and 4, a plurality of water permeable holes 312 are opened on the upper end surface of the first fixing ring 31, and the water permeable holes 312 are circular holes in the present application. The partially water permeable holes 312 communicate with the outer circumferential surface of the first fixing ring 31. In other embodiments, the water permeable holes 312 are any one of honeycomb holes, fan holes, and kidney holes.

Referring to fig. 3 and 4, the outer wall of the second fixing ring 32 is fixedly connected to the inner wall of the drainage hole 21, the second fixing ring 32 is located at the upper end of the first fixing ring 31, and a second fixing hole 321 is formed in the upper end surface of the second fixing ring 32. The second fixing hole 321 is coaxially disposed with the first fixing hole 311. The second fixing ring 32 is provided with a first chamfer 322 and a second chamfer. The first chamfer 322 is located at the intersection between the upper end surface of the second fixing ring 32 and the inner wall of the second fixing hole 321. The first chamfer 322 is provided to guide water to flow toward the first fixing ring 31, so that the water can pass through the second fixing hole 321. The second chamfer is located at the intersection of the lower end surface of the second fixing ring 32 and the inner wall of the second fixing hole 321. Be provided with the filter plate 22 in the second fixed orifices 321, the circumference face and the first chamfer 322 laminating of filter plate 22 can play prefiltering's effect.

Referring to fig. 3 and 4, the fixing rod 33 is inserted into the first fixing hole 311, and the fixing rod 33 can slide along the axial direction of the first fixing hole 311. The fixed disc 34 is detachably connected with the upper end surface of the fixed bar 33, the end surface of the fixed bar 33 facing the fixed disc 34 is provided with a first threaded rod 333, and the end surface of the fixed disc 34 facing the fixed bar 33 is provided with a first threaded hole 343 in threaded connection with the first threaded rod 333. The upper edge of the fixed disk 34 is provided with a third chamfer 341, and the inclined plane of the third chamfer 341 is the same as that of the second chamfer. When the fixed disk 34 abuts against the second fixing ring 32, the inclined surface of the third chamfer 341 abuts against the inclined surface of the second chamfer.

Referring to fig. 3 and 4, the inclined surface of the third chamfer 341 is provided with a plurality of flow passages 342, and the plurality of flow passages 342 are circumferentially distributed along the axis of the fixed disk 34. The upper end surface of the flow passage 342 communicates with the upper end surface of the fixed disk 34, and the lower end surface of the flow passage 342 communicates with the lower end surface of the fixed disk 34. When the accumulated water on the roof 1 is less and the fixed tray 34 cannot be lowered, the accumulated water can be discharged through the flow passage 342 and the water discharge hole 21, so that the water is not accumulated on the roof 1 easily.

Referring to fig. 4 and 5, the fixed rod 33 is sleeved with the movable ring 4, the movable ring 4 is rotatably connected to the first fixed ring 31, and the movable ring 4 is located above the first fixed ring 31. The movable ring 4 is provided with a movable hole 41 for the fixed rod 33 to pass through, the lower part of the movable ring 4 is fixedly connected with a rotating block, the upper end face of the first fixing ring 31 is provided with a rotating groove, and the rotating block can be embedded into the rotating groove. The outer circumferential surface of the movable ring 4 is fixedly connected with a plurality of scraping blades 42, the scraping blades 42 are distributed along the outer circumferential surface of the movable ring 4 in a circumferential array, and the lower end surfaces of the scraping blades 42 are attached to the upper end surface of the first fixing ring 31.

Referring to fig. 3, the spring 35 is sleeved outside the fixed rod 33, one end of the spring 35 abuts against the movable rod, and the other end of the spring 35 abuts against the fixed plate 34. When the fixed disk 34 abuts against the second fixed ring 32, the spring 35 is in a compressed state. The fixing rod 33 is sleeved with a first folding tube 36, and the spring 35 is positioned inside the first folding tube 36. One end of the first folding tube 36 is fixedly connected with the movable ring 4, and the other end of the first folding tube 36 is rotatably connected with the fixed disc 34.

Referring to fig. 3 and 5, the end surface of the fixing rod 33 far away from the fixing disc 34 is detachably connected with the limiting disc 5, and the outer diameter of the limiting disc 5 is larger than that of the fixing rod 33. The end surface of the fixing rod 33 facing the limiting disc 5 is fixedly connected with a second threaded rod 334, and the end surface of the limiting disc 5 facing the fixing rod 33 is provided with a second threaded hole 52 matched with the second threaded rod 334. The fixed rod 33 is sleeved with a second folding tube 51, one end of the second folding tube 51 is rotatably connected with the limiting disc 5, and the other end of the second folding tube 51 is fixedly connected with the fixed disc 34.

Referring to fig. 3 and 5, two limit structures connecting the fixing rod 33 and the first fixing ring 31 are arranged between the fixing rod and the first fixing ring 31, and the two limit structures are distributed along the axis of the first fixing ring 31 in a circumferential array. The limiting structure is used for limiting the rotation of the fixing rod 33. Two limiting grooves 331 are formed in the fixing rod 33, the two limiting grooves 331 vertically penetrate through the fixing rod 33 downwards, and the two limiting grooves 331 are communicated with the lower end face of the fixing rod 33. The limiting structure comprises a limiting block 6, the limiting block 6 is fixedly connected with the inner wall of the first fixing hole 311, and the limiting block 6 is arranged in the limiting groove 331 in a sliding manner. When the limiting block 6 is located in the limiting groove 331, the fixing rod 33 can only move along the axial direction thereof.

Referring to fig. 3 and 5, two driving structures 7 connecting the fixed rod 33 and the movable ring 4 are arranged between the fixed rod and the movable ring 4, and the two driving structures 7 are distributed along the axial circumference of the movable ring 4 in an array. The driving structure 7 is used for driving the movable ring 4 to rotate. Two spiral grooves 332 are formed in the outer circumferential surface of the fixed rod 33, the two spiral grooves 332 are distributed along the axis of the movable ring 4 in a circumferential array mode, and the two spiral grooves 332 are communicated with the lower end face of the fixed rod 33. The distance from the inner wall of the limit groove 331 to the axis of the fixing rod 33 is smaller than the distance from the inner wall of the spiral groove 332 to the axis of the fixing rod 33.

Referring to fig. 5, the driving structure 7 includes a circular shaft 71 and a roller 72, and an end of the circular shaft 71 is fixedly connected to an inner wall of the movable hole 41. The roller 72 is sleeved outside the round shaft 71, and the roller 72 is slidably arranged in the threaded groove. The limiting block 6 is fixedly connected with the outer circumferential surface of the second fixing rod 33.

Referring to fig. 3 and 5, when the fixing lever 33 descends, the fixing lever 33 cannot rotate when descending due to the stopper 6 facing the stopper 6 of the fixing lever 33. Since the roller 72 is disposed in the spiral groove 332, when the fixed rod 33 descends but cannot rotate, the fixed rod 33 drives the movable ring 4 to rotate, so that the movable ring 4 drives the scraper 42 to rotate, and the scraper 42 cleans the upper end surface of the first fixed ring 31.

Referring to fig. 1, one side of wall 11 is provided with header tank 8, and header tank 8 is located drain pipe 2 under, and water catch bowl 81 has been seted up to header tank 8's top, and water catch tank 8 keeps away from one side of wall 11 and has seted up apopore 82 and overflow hole 83, and apopore 82 and overflow hole 83 all communicate with water catch bowl 81. The overflow hole 83 is located above the outlet hole 82. A plug for plugging the water outlet 82 is arranged in the water outlet 82. The water collecting tank 8 is used for collecting rainwater, so that the rainwater can be reused, and the water-saving effect is achieved.

The implementation principle of the embodiment 1 is as follows: water enters the water discharging holes 21, the water exerts acting force on the fixed disc 34 to enable the fixed disc 34 and the fixed rod 33 to descend, and meanwhile, the spring 35 is compressed and deformed to discharge the water; when the force of water on the fixed disks 34 is reduced, the springs 35 return to drive the fixed disks 34 to abut against the second fixed ring 32; the remaining water is discharged through the flow passage 342.

Example 2

Referring to fig. 6, the present embodiment is different from embodiment 1 in that a groove 43 is formed on an inner wall of the first fixing hole 311, the driving structure 7 includes a ball 73, the ball 73 is rotatably connected in the groove 43, and the ball 73 is slidably disposed in the spiral groove 332.

The implementation principle of the embodiment 2 is as follows: when the fixed rod 33 is limited by the limiting block 6 and the first fixing hole 311 moves in the axial direction, the ball 73 is slidably disposed in the spiral groove 332, so that the movable ring 4 and the scraper 42 rotate, the scraper 42 scrapes dirt on the first fixing ring 31, and the dirt is washed away by water.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the design concept of the present application should be included in the protection scope of the present application.