阅读说明：本技术 一种具有避免车缝位置渗水功能的雨伞 (Umbrella with prevent sewing position infiltration function ) 是由 梁维兴 于 2021-02-18 设计创作，主要内容包括：本发明涉及雨伞技术领域,尤其涉及一种具有避免车缝位置渗水功能的雨伞。本发明要解决的是雨水容易从车缝处渗漏出,造成衣服被淋湿,防水遮雨效果较差,难以利用自然资源进行电能储存,雨伞使用起来较为枯燥,实用功能较为单一,雨伞舒适度较差,雨伞沾染的雨水不易干燥,金属部件容易锈蚀,影响使用寿命的技术问题。为了解决上述技术问题,本发明提供了一种具有避免车缝位置渗水功能的雨伞,本发明由防渗漏机构、发电机构和辅助加热机构组成,能够对车缝处遮盖,防止雨水渗漏,提高防水效果,有效利用风力资源发电,节约电能,增加趣味性,丰富功能,自动进行加热,提高舒适度,对雨伞进行烘干,避免金属部件受到腐蚀,提高使用寿命。(The invention relates to the technical field of umbrellas, in particular to an umbrella with a function of preventing water seepage at a sewing position. The invention aims to solve the technical problems that rainwater is easy to leak from a sewing position to cause clothes to be wetted, the waterproof and rain-shielding effects are poor, the electric energy storage is difficult to be carried out by utilizing natural resources, the umbrella is dry to use, the practical function is single, the comfort level of the umbrella is poor, the rainwater infected with the umbrella is not easy to dry, metal parts are easy to corrode, and the service life is influenced. In order to solve the technical problems, the invention provides an umbrella with a function of preventing water seepage at a sewing position, which consists of an anti-seepage mechanism, a power generation mechanism and an auxiliary heating mechanism, can cover the sewing position, prevent rainwater from leaking, improve the waterproof effect, effectively utilize wind power resources to generate power, save electric energy, increase interestingness, enrich functions, automatically heat, improve the comfort level, dry the umbrella, prevent metal parts from being corroded, and prolong the service life.)

1. The utility model provides an umbrella with avoid sewing position infiltration function which characterized in that: comprises a cavity umbrella rod (1), an umbrella cover (2), an anti-leakage mechanism, a power generation mechanism and an auxiliary heating mechanism;

the bottom end of the cavity umbrella rod (1) is connected with a handle (21) through a thread, the bottom of the handle (21) is connected with a tail cover (13) through a thread, a sliding clamping sleeve (11) is movably sleeved outside the top of the cavity umbrella rod (1), the outer wall of the sliding clamping sleeve (11) is provided with a clamping groove, the cavity umbrella rod (1) is provided with a spring locking block (12), the spring locking block (12) is clamped with the clamping groove, the outer wall of the top of the sliding clamping sleeve (11) is rotatably provided with a plurality of umbrella ribs (8), the outer wall of the top part of the cavity umbrella rod (1) is fixedly sleeved with a fixed ring (7), a plurality of main umbrella ribs (3) are rotatably arranged on the outer wall of the fixing ring (7), the outer walls of the main umbrella ribs (3) are connected with the bottom end face of the umbrella cover (2) in a sewing mode, and umbrella buckles (10) are sleeved at one ends of the main umbrella ribs (3);

the anti-leakage mechanism comprises waterproof cloth pieces (4), small magnetic blocks (5), a connecting disc (6) and rope sleeves (9), the outer wall of the top of the cavity umbrella rod (1) is in threaded connection with the connecting disc (6), a plurality of waterproof cloth pieces (4) are installed at the bottom of the connecting disc (6), a plurality of small magnetic blocks (5) are wrapped inside the waterproof cloth pieces (4), one ends of a plurality of fixing rings (7) are connected with the rope sleeves (9) in a sewing mode, and one ends of the rope sleeves (9) are connected with the outer walls of corresponding umbrella buckles (10) in a hanging mode;

the power generation mechanism comprises a power generation motor (14), fan blades (16), a rotating shaft (17) and a sealing washer (18), the top end of the cavity umbrella rod (1) is in threaded connection with a fixed column (15), the top of the fixed column (15) is provided with a mounting groove, the bottom of the inner wall of the mounting groove is provided with the power generation motor (14), the output end of the power generation motor (14) is fixedly connected with the rotating shaft (17), the outer wall of the rotating shaft (17) is fixedly sleeved with the fan blades (16), the bottom of the fixed column (15) is provided with the sealing washer (18), and the power generation motor (14) is electrically connected with a storage battery (24);

the auxiliary heating mechanism comprises a storage battery (24), a micro fan (25) and an electric heating plate (26), the storage battery (24) is installed at the bottom of the inner wall of the handle (21), a supporting plate (23) is installed on the two sides of the inner wall of the handle (21), the micro fan (25) is installed on the top end face of the supporting plate (23), the electric heating plate (26) is installed at the top of the inner wall of the handle (21), a plurality of first air vents (20) are formed in the outer wall of the handle (21), and the storage battery (24) is electrically connected with the micro fan (25) and the electric heating plate (26).

2. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the middle part of the sealing washer (18) is sleeved with the outer wall of the rotating shaft (17), and the joint between the rotating shaft (17) and the sealing washer (18) is sealed.

3. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the bottom outer wall of the cavity umbrella rod (1) is fixedly sleeved with a protective disc (22), the bottom outer wall of the handle (21) is provided with threads, and the outer wall of the tail cover (13) is provided with a thread chamber.

4. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the middle part of the top of the handle (21) is provided with a through groove, and the inner cavity of the cavity umbrella rod (1) is communicated with the through groove.

5. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the outer wall of the top of the handle (21) is provided with a thread groove, and the outer wall of the bottom of the cavity umbrella rod (1) is provided with threads.

6. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the top end face of the umbrella face (2) is connected with a plurality of reflective fabrics (19) in a sewing mode, and the reflective fabrics (19) are all bright silver chemical fiber fabrics.

7. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the bottom of the fixed column (15) is provided with a threaded chamber, the outer wall of the top of the cavity umbrella rod (1) is provided with threads, and the top of the fixed column (15) is provided with a through groove.

8. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: a plurality of second venthole (27) are seted up to the top outer wall of cavity umbrella pole (1), a plurality of noose (9) are elasticity tensile rubber rope.

9. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: the cavity umbrella rod (1) is a cavity light alloy pipe, and the umbrella surface (2) and the supporting umbrella ribs (8) are metal elastic strips.

10. The umbrella with the function of preventing water seepage at the sewing position as claimed in claim 1, wherein: hand rope buckles (1301) are installed at the bottom of the tail cover (13), and the hand rope buckles (1301) are wear-resistant synthetic fiber rope sleeves.

Technical Field

The invention relates to the technical field of umbrellas, in particular to an umbrella with a function of preventing water seepage at a sewing position.

Background

The umbrella is a tool for shading sun or shielding rain and snow, and is generally made of oiled paper, oiled cloth or plastic cloth, and the umbrella has the meaning of shading sun and shadow, and the manufacturing material of the umbrella usually comprises malleable cloth, other materials which can be used as a framework and a winding wire, and the umbrella is lifted by hands when in use, the main purpose of the umbrella in the original invention is to block sunlight, and the umbrella is currently most commonly used as a tool for keeping off rain, but the existing umbrella with the function of preventing water seepage at a sewing position has many problems or defects:

in the production process of the existing umbrella, a large gap is easy to appear at the sewing position of the umbrella cloth and the umbrella ribs, and when the umbrella is used in heavy rain weather, rainwater is easy to leak out from the sewing position, so that clothes of a user are wetted, and the waterproof and rain-shielding effects are poor; in rainy days, the existing umbrella is difficult to store electric energy by utilizing natural resources, so that the umbrella is dull in use and has a single practical function; when the ambient temperature is lower, the comfort level of the existing umbrella is poorer when in use, the rainwater stained on the whole umbrella is not easy to dry, and metal parts are easily corroded to influence the service life.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide an umbrella having a function of preventing water from leaking from a sewn position.

The invention achieves the aim through the following technical scheme, and the umbrella with the function of preventing water seepage at a sewing position comprises a cavity umbrella rod, an umbrella cover, an anti-seepage mechanism, a power generation mechanism and an auxiliary heating mechanism.

The bottom threaded connection of cavity umbrella pole has the handle, the bottom threaded connection of handle has the tail-hood, the outside activity in top of cavity umbrella pole has cup jointed the slip cutting ferrule, the draw-in groove has been seted up to the outer wall of slip cutting ferrule, be provided with the spring locking piece on the cavity umbrella pole, spring locking piece and draw-in groove joint, slip cutting ferrule top outer wall rotates and installs a plurality of rib, the fixed cover of top outer wall of cavity umbrella pole has connect solid fixed ring, gu fixed ring's outer wall rotates and installs a plurality of main rib, the outer wall of a plurality of main rib is sewed up with the bottom face of umbrella face and is connected, a plurality of the umbrella of all having cup jointed the umbrella to detain the one end of.

Antiseep mechanism includes tarpaulin piece, little magnetic path, connection pad and fag end, the outer wall threaded connection at cavity umbrella pole top has the connection pad, a plurality of tarpaulin piece, a plurality of are installed to the bottom of connection pad the inside parcel of tarpaulin piece has a plurality of little magnetic path, a plurality of gu fixed ring's one end is all sewed up and is connected with the fag end, a plurality of the outer wall that the one end of fag end all buckled with the umbrella that corresponds articulates.

The power generation mechanism comprises a power generation motor, fan blades, a rotating shaft and a sealing washer, the top end of the cavity umbrella rod is in threaded connection with a fixed column, a mounting groove is formed in the top of the fixed column, the power generation motor is mounted at the bottom of the inner wall of the mounting groove, the rotating shaft is fixedly connected with the output end of the power generation motor, the fan blades are fixedly sleeved on the outer wall of the rotating shaft, the sealing washer is mounted at the bottom of the fixed column, and the power generation motor is electrically connected with the storage battery.

The auxiliary heating mechanism comprises a storage battery, a micro fan and an electric heating plate, the storage battery is installed at the bottom of the inner wall of the handle, supporting plates are installed on two sides of the inner wall of the handle in an embedded mode, the micro fan is installed on the top end face of each supporting plate, the electric heating plate is installed at the top of the inner wall of the handle, a plurality of first air holes are formed in the outer wall of the handle, and the storage battery is electrically connected with the micro fan and the electric heating plate.

Preferably, the middle part of the sealing washer is sleeved with the outer wall of the rotating shaft, and the seam between the rotating shaft and the sealing washer is sealed.

Preferably, the outer wall of the bottom of the cavity umbrella rod is fixedly sleeved with a protective disc, the outer wall of the bottom of the handle is provided with threads, and the outer wall of the tail cover is provided with a thread chamber.

Preferably, a through groove is formed in the middle of the top of the handle, and an inner cavity of the cavity umbrella rod is communicated with the through groove.

Preferably, the outer wall of the top of the handle is provided with a thread groove, and the outer wall of the bottom of the cavity umbrella rod is provided with threads.

Preferably, the top end face of the umbrella face is connected with a plurality of reflective fabrics in a sewing mode, and the reflective fabrics are all bright silver chemical fiber fabrics.

Preferably, the bottom of the fixed column is provided with a threaded chamber, the outer wall of the top of the cavity umbrella rod is provided with threads, and the top of the fixed column is provided with a through groove.

Preferably, a plurality of second ventholes are formed in the outer wall of the top of the cavity umbrella rod, and the rope sleeves are elastic tensile rubber ropes.

Preferably, the cavity umbrella rod is a cavity light alloy pipe, and the umbrella surface and the supporting umbrella ribs are metal elastic strips.

Preferably, the bottom of the tail cover is provided with a hand rope buckle, and the hand rope buckle is a wear-resistant synthetic fiber rope sleeve.

The invention has the beneficial effects that:

1. the novel anti-leakage mechanism comprises a waterproof cloth piece, a small magnetic block, a connecting disc, a rope sleeve and the like, and can effectively cover a sewing position to prevent rainwater from leaking, prevent clothes of a user from being wetted, improve the waterproof effect, and solve the problems that the sewing position of umbrella cloth and umbrella ribs is easy to have a large gap, rainwater is easy to leak from the sewing position when the novel anti-leakage mechanism is used in heavy rain weather, so that the clothes of the user are wetted, and the waterproof and rain-shading effects are poor;

2. the novel umbrella comprises a power generation mechanism, and under the combined action of the power generation motor, the fan blades, the rotating shaft, the sealing washer and other structures, wind power resources can be fully and effectively utilized to generate power, electric energy is saved, the interestingness of the umbrella is increased, the functions of the umbrella are enriched, the practicability of the umbrella is improved, and the problems that the existing umbrella is difficult to utilize natural resources to store electric energy, the umbrella is dry to use and has single practical function in rainy weather are solved;

3. the novel umbrella provided by the invention comprises the auxiliary heating mechanism, and the handle can be automatically heated under the combined action of the storage battery, the micro fan, the electric heating plate and other structures, so that the comfort level of a user is improved, the whole umbrella is effectively dried, the metal parts are prevented from being corroded, the service life of the umbrella is prolonged, and the problems that the comfort level of the existing umbrella is poor when the existing umbrella is used, the rainwater stained on the whole umbrella is not easy to dry, the metal parts are easy to corrode, and the service life is influenced when the environmental temperature is low are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 1 at A according to the present invention;

fig. 5 is an enlarged schematic view of the invention at B in fig. 1.

In the figure: 1. a cavity umbrella rod; 2. an umbrella cover; 3. a main umbrella rib; 4. a waterproof cloth sheet; 5. a small magnetic block; 6. a connecting disc; 7. a fixing ring; 8. supporting the umbrella ribs; 9. rope sleeves; 10. an umbrella buckle; 11. sliding the ferrule; 12. a spring lock block; 13. a tail cover; 1301. a hand rope buckle; 14. a generator motor; 15. fixing a column; 16. a fan blade; 17. a rotating shaft; 18. a sealing gasket; 19. reflective cloth; 20. a first vent hole; 21. a handle; 22. a protection disk; 23. a support plate; 24. a storage battery; 25. a micro fan; 26. an electric hot plate; 27. a second vent.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-5, an umbrella with function of preventing water seepage at sewing position comprises a hollow umbrella rod 1, an umbrella cover 2, an anti-seepage mechanism, a power generation mechanism and an auxiliary heating mechanism.

The bottom threaded connection of cavity umbrella pole 1 has handle 21, the bottom threaded connection of handle 21 has tail-hood 13, slip cutting ferrule 11 has been cup jointed in the outside activity in top of cavity umbrella pole 1, the draw-in groove has been seted up to the outer wall of slip cutting ferrule 11, be provided with spring locking piece 12 on the cavity umbrella pole 1, spring locking piece 12 and draw-in groove joint, 11 top outer walls of slip cutting ferrule rotate and install a plurality of rib 8, the fixed solid fixed ring 7 that has cup jointed of top outer wall of cavity umbrella pole 1, a plurality of main rib 3 is installed in the outer wall rotation of solid fixed ring 7, the outer wall of a plurality of main rib 3 is sewed up with the bottom face of umbrella face 2 and is connected, a plurality of the umbrella that has all cup jointed of main rib 3 is buckled 10.

Antiseep mechanism includes tarpaulin piece 4, little magnetic path 5, connection pad 6 and fag end 9, the outer wall threaded connection at 1 top of cavity umbrella pole has connection pad 6, a plurality of tarpaulin piece 4, a plurality of are installed to the bottom of connection pad 6 the inside parcel of tarpaulin piece 4 has a plurality of little magnetic path 5, a plurality of the one end of solid fixed ring 7 is all sewed up and is connected with fag end 9, a plurality of the outer wall that the one end of fag end 9 all detained 10 with the umbrella that corresponds articulates.

The power generation mechanism comprises a power generation motor 14, fan blades 16, a rotating shaft 17 and a sealing washer 18, wherein the top end of the cavity umbrella rod 1 is in threaded connection with a fixed column 15, a mounting groove is formed in the top of the fixed column 15, the power generation motor 14 is mounted at the bottom of the inner wall of the mounting groove, the rotating shaft 17 is fixedly connected to the output end of the power generation motor 14, the fan blades 16 are fixedly connected to the outer wall of the rotating shaft 17 in a sleeved mode, the sealing washer 18 is mounted at the bottom of the fixed column 15, and the power generation motor 14 is electrically connected with a.

The auxiliary heating mechanism comprises a storage battery 24, a micro fan 25 and an electric heating plate 26, the storage battery 24 is installed at the bottom of the inner wall of the handle 21, supporting plates 23 are installed on two sides of the inner wall of the handle 21 in an embedded mode, the micro fan 25 is installed on the top end face of each supporting plate 23, the electric heating plate 26 is installed at the top of the inner wall of the handle 21, a plurality of first air vents 20 are formed in the outer wall of the handle 21, and the storage battery 24 is electrically connected with the micro fan 25 and the electric heating plate 26.

Specifically, the middle part of the sealing washer 18 is sleeved with the outer wall of the rotating shaft 17, the joint between the rotating shaft 17 and the sealing washer 18 is sealed, and the power generation motor 14 is prevented from being affected with damp through the sealing washer 18.

Specifically, the outer wall of the bottom of the cavity umbrella rod 1 is fixedly sleeved with a protective disc 22, the outer wall of the bottom of the handle 21 is provided with threads, the outer wall of the tail cover 13 is provided with a threaded chamber, and the hand is protected by the protective disc 22.

Specifically, a through groove is formed in the middle of the top of the handle 21, an inner cavity of the cavity umbrella rod 1 is communicated with the through groove, and hot air can circulate in the cavity umbrella rod 1 through the through groove.

Specifically, the thread groove has been seted up to the top outer wall of handle 21, the outer wall of cavity umbrella pole 1 bottom is seted up threadedly, makes handle 21 be connected with cavity umbrella pole 1 through setting up thread groove and screw thread to conveniently dismantle.

Specifically, the top end face of the umbrella face 2 is connected with a plurality of reflective cloth 19 in a sewing mode, the reflective cloth 19 is a bright silver chemical fiber cloth, and a reminding signal can be formed by arranging the reflective cloth 19, so that the safety of a user is protected.

Specifically, the bottom of the fixed column 15 is provided with a threaded chamber, the outer wall of the top of the cavity umbrella rod 1 is provided with threads, and the top of the fixed column 15 is provided with a through groove.

Specifically, a plurality of second venthole 27, a plurality of have been seted up to the top outer wall of cavity umbrella pole 1 the fag end 9 is elasticity tensile rubber rope, makes hot-blast can dry the umbrella is whole through second venthole 27.

Specifically, the cavity umbrella rod 1 is a cavity light alloy pipe, and the umbrella surface 2 and the supporting umbrella ribs 8 are metal elastic strips.

Specifically, a hand rope buckle 1301 is installed at the bottom of the tail cover 13, and the hand rope buckle 1301 is a wear-resistant synthetic fiber rope sleeve.

The working principle is as follows: the invention is provided with an anti-leakage mechanism, when leakage easily occurs at the seams of the umbrella in heavy rain, the connecting disc 6 is arranged at the top of the cavity umbrella rod 1, then a plurality of waterproof cloth pieces 4 arranged at the bottom of the connecting disc 6 are covered at the corresponding seams, then the rope sleeves 9 arranged at one ends of the waterproof cloth pieces 4 are hung on the corresponding umbrella buckles 10, and then a plurality of small magnetic blocks 5 wrapped inside the waterproof cloth pieces 4 are adsorbed with the corresponding main umbrella ribs 3, so that the waterproof cloth pieces 4 are firmly attached to the seams at the top of the umbrella, thereby preventing rainwater from leaking from the seams, wetting clothes of users and improving the waterproof and rain-shielding effects of the umbrella.

The umbrella is provided with the power generation mechanism, when strong wind and rainy weather occurs, the fixed column 15 is in threaded connection with the top of the cavity umbrella rod 1, the power generation motor 14 is connected with the storage battery 24 through a lead, when strong wind blows the surface of the fan blade 16, the fan blade 16 and the rotating shaft 17 are driven to rotate, the rotating shaft 17 is fixedly connected with the output end of the power generation motor 14, the power generation motor 14 is driven to rotate, current is generated by rotating the power generation motor 14, and then the current is stored in the storage battery 24 through the lead, so that natural resources are fully utilized, electric energy is saved, the interestingness of the umbrella is increased, the function of the umbrella is rich, and the practicability is high.

The invention is provided with an auxiliary heating mechanism, when the surface temperature of the handle 21 is lower and the rainwater on the inner surface of the umbrella cover 2 is not easy to dry, the micro fan 25 and the electric heating plate 26 are started through the storage battery 24, the electric heating plate 26 generates heat, the micro fan 25 blows out mild hot air through the electric heating plate 26, one part of the generated mild hot air is blown out through the plurality of first air vents 20 arranged on the surface of the handle 21 to heat the surface of the handle 21, so that the hands of a user can hold the umbrella comfortably, thereby improving the comfort level of the user, the other part is conveyed into the cavity umbrella rod 1 through the through groove arranged on the top of the handle 21, the mild hot air is blown to the surface of the bottom of the umbrella cover 2 through the plurality of second air vents 27 arranged on the outer wall of the top of the cavity umbrella rod 1, the moisture on the umbrella cover 2 is dried, and the moisture is prevented from, thereby causing corrosion and shortening the service life of the umbrella.

The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, needless to say, the present invention is not directed to software and process improvements.

In the description of the invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of describing the invention and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; 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: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.