CN217150570U

CN217150570U - Floor drain core

Info

Publication number: CN217150570U
Application number: CN202220813303.5U
Authority: CN
Inventors: 赵康于
Original assignee: Yuhuan Kangyu Copper Industry Co ltd
Current assignee: Yuhuan Kangyu Copper Industry Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-09
Anticipated expiration: 2032-04-08

Abstract

The utility model provides a floor drain core belongs to floor drain technical field. It has solved the complicated problem of structure when realizing two deodorant and guaranteeing the displacement. It includes that the lower extreme that sets up along vertical direction is the overcoat of closed tube-shape and locates in the overcoat and be provided with the endotheca in lower water hole along vertical direction, it is provided with the apopore that is linked together with crossing the water cavity to form water cavity and overcoat lateral part between endotheca and the overcoat, the cross section of overcoat all is the rectangle with the cross section of endotheca, the quantity of apopore is two and is located two lateral parts at the long limit place of overcoat cross section respectively, the overcoat outside at two apopores places articulates respectively has can roll over to embedding in the apopore around the pin joint and turns over the board, it expands the fitting surface that is horn mouth form outward to have in the outer port of apopore, it has the butt face that leans on with the fitting surface counterbalance when turning over the board around the pin joint upset downwards to turn over the board edge. It has the advantages of good deodorization effect, simple structure, large water discharge and the like.

Description

Floor drain core

Technical Field

The utility model belongs to the technical field of the floor drain, a floor drain core is related to.

Background

The floor drain is an important interface for connecting a drainage pipeline system and indoor ground, is an important part in a residential drainage system, has the basic function of drainage, and has the function of backflow prevention and deodorization along with the requirement of life. At present, the floor drain on the market is diversified, such as water seal type, mechanical seal type or magnetic type, wherein the application of the water seal type floor drain is the most extensive, the existing water seal type floor drain generally comprises a floor drain body and a floor drain core, the floor drain core comprises an outer sleeve and an inner sleeve which are both cylindrical, the upper end of the outer sleeve is supported against the inner side bottom wall of the floor drain body and penetrates downwards, the inner sleeve is arranged in the outer sleeve, a water passing cavity is formed between the inner sleeve and the outer sleeve, the lateral part of the outer sleeve extending out of the floor drain body is provided with a water outlet hole in a penetrating way, and a water passing cavity lower than the water passing hole is reserved through water during drainage to form a water seal, so that bugs or stink in a sewer pipeline can not enter a room.

However, the water-sealed floor drain has a significant disadvantage that when the room is not drained for a long time, the water remained in the water passing cavity for forming the water seal is dried (especially in dry areas), so that the water seal is ineffective to cause bugs or odor to enter the room. In order to solve the problems, the Chinese patent provides a gravity type mechanical sealing double-cylinder water seal compound type mixed sealing floor drain with application number of 201621274157.4, and a gravity type mechanical device is additionally arranged above a water seal structure on the basis of water seal sealing, so that a double deodorization function is formed. However, the structure of such a floor drain becomes relatively complex and costly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a floor drain core, solved the complicated problem of structure when realizing two deodorant and guaranteeing the displacement.

The purpose of the utility model can be realized by the following technical proposal:

the floor drain core comprises an outer sleeve and an inner sleeve, wherein the lower end of the outer sleeve is arranged in a vertical direction and is in a closed cylindrical shape, the inner sleeve is arranged in the outer sleeve and is provided with a water outlet hole along the vertical direction, a water passing cavity is formed between the inner sleeve and the outer sleeve, water outlet holes communicated with the water passing cavity are formed in the side portions of the outer sleeve and the side portions of the outer sleeve, the number of the water outlet holes is two, the two water outlet holes are respectively located on the side portions of two long edges of the cross section of the outer sleeve, the outer sides of the outer sleeves where the two water outlet holes are located are respectively hinged with a turning plate capable of being turned around a hinge point to be embedded into the water outlet hole, a matching surface which is expanded to be in a horn mouth shape is arranged in the outer port of the water outlet hole, and the edge of the turning plate has a leaning surface which can lean against the matching surface when the turning plate is turned downwards around the hinge point.

In a natural state, the abutting surfaces of the two turning plates abut against the corresponding matching surfaces respectively to seal the water outlet hole. When water is drained, water flows into the water passing cavity through the inner sleeve, and the turning plate is pushed away by the action of water pressure when the water overflows to the water outlet (the turning plate can upwards turn around the hinged point) so as to realize water drainage. After the drainage is finished, part of water is retained in the water passing cavity lower than the water outlet hole to form a water seal, meanwhile, the two turning plates can turn downwards under the action of self gravity after losing the action of water pressure, the turning plates are clamped in the outer port of the water outlet hole and abut against the matching surface through the abutting surfaces at the edges of the turning plates, and the corresponding water outlet hole is sealed again. Through the arrangement, when water left in the water passing cavity lower than the water outlet hole is dry, namely the water seal fails, the abutting surface of the turning plate abuts against the matching surface, so that no gap exists between the turning plate and the outer sleeve, the water outlet hole is sealed, and the bugs or odor can be prevented from entering the room to a certain extent, so that the double-odor-prevention function is realized; and only by changing the shape of the outer sleeve and the arrangement of the turning plate, the integral structure is greatly simplified while the deodorization effect is improved. In addition, when the backflow occurs in the sewer pipeline, the flap can also play a role in preventing the backflow.

In addition, the sewer pipes are round pipes, and the cross section of the outer sleeve and the cross section of the inner sleeve are both set to be rectangular, so that the side part of the outer sleeve can be hinged with the turning plate for use, and the water discharge can be ensured. The water discharge is ensured mainly by combining the following aspects: 1. the cross section of the outer sleeve is rectangular, and the turning plate is hinged on the outer side wall where the long side of the cross section of the outer sleeve is located, so that a water outlet hole can be made larger, the turning angle of the turning plate is larger, and the drainage quantity and the drainage speed of the water outlet hole are ensured; 2. under the condition that the cross section of the outer sleeve is rectangular, the cross section of the inner sleeve is rectangular, so that the sewer hole has enough circulation.

In the floor drain core, the outer side surface of the turning plate is provided with an inner concave part which is gradually concave into an arc shape from the upper side and the lower side of the turning plate to the middle position.

The thickness of the lower part of the turning plate is gradually increased from top to bottom due to the arrangement of the concave part, and the structure is very favorable for the turning plate to swing downwards around a hinge point under the action of gravity after drainage is finished, so that the reliability of the double-deodorization function of the local core leakage is ensured. Meanwhile, the arrangement of the inward concave part can ensure that the turning plate is positioned in the outer port of the water outlet hole to the maximum extent, the action position of the back overflow water on the turning plate is reduced, so that the turning plate cannot be lifted by the back overflow water, and the back overflow prevention effect is further improved.

In the floor drain core, the lateral part of the outer sleeve where the water outlet hole is located is provided with a hinged seat, the upper side of the turning plate is provided with a sheet-shaped protrusion, the upper side of the sheet-shaped protrusion is integrally and fixedly connected with a hinged shaft arranged in the hinged seat, the lateral part of the outer sleeve where the water outlet hole is located is also provided with a groove, the groove is communicated with the water outlet hole, and the sheet-shaped protrusion can be embedded into the groove when the turning plate turns downwards around the hinged point.

The articulated shaft is with the cooperation of articulated seat for turn over the board and can form articulated relation with the overcoat, thereby can receive the water pressure effect to open the apopore around the hinge point or after the drainage end around the downward upset of hinge point reseals the apopore under the dead weight. The setting of recess can be for the slice arch when turning over the board and overturn downwards abdicate (in slice arch imbeds the recess promptly) for turning over the board lean on the face and correspond between the fitting surface can form the laminating as far as possible and in order to improve the closed effect to the apopore, thereby further improved and utilized the board of turning over to carry out deodorant effect when the water seal became invalid.

In foretell floor drain core, articulated seat include two pedestal in same height, the recess is located between two pedestals, two pedestals all are equipped with the breach groove, the breach groove runs through the upside of pedestal and the relative one side of two pedestals, all is equipped with spacing notch between the tank bottom wall in two breach grooves and its one side cell wall, the both ends of articulated shaft pass corresponding breach groove and card respectively from the top down and go into in the spacing notch that corresponds.

During assembly, the two ends of the hinge shaft penetrate through the notch grooves of the corresponding seat bodies from top to bottom and are clamped into the corresponding limiting notches, so that the two ends of the hinge shaft are well positioned in the two seat bodies to ensure that the turning plate can be reliably turned.

In the floor drain core, the outer sleeve is made of plastics, and the two base bodies are integrally formed on the outer sleeve.

The overcoat adopts plastics to make and two pedestal homomorphism shaping on the overcoat, means that two pedestals have certain elasticity, therefore the both ends of articulated shaft can be directly crowded into spacing notch through the manpower in, then the self shrink of pedestal comes the both ends location of articulated shaft in spacing notch.

In the floor drain core, the outer side wall of the outer sleeve where the water outlet hole is located is provided with the inclined plane, the inclined plane is located below the water outlet hole, and the distance from the inclined plane to the axis of the outer sleeve is gradually reduced from top to bottom.

The outer side wall of the outer sleeve where the water outlet hole is formed is provided with the inclined plane, the distance from the inclined plane to the axis of the outer sleeve is gradually reduced from top to bottom, and the shape is more favorable for drainage.

In the floor drain core, the water outlet hole is square, and the shape of the turnover plate is matched with that of the water outlet hole.

The apopore sets up on the lateral wall at the long limit place of overcoat cross section, sets up the apopore into being square can further improve the displacement under the circumstances that realizes two deodorant functions.

In the floor drain core, the upper end orifice of the lower water hole is in a bell mouth shape.

Through the arrangement, the siphon effect can be generated when water flows downwards from the upper end orifice of the lower water hole, and the drainage speed is improved.

In the floor drain core, the outer edge of the upper end part of the outer sleeve is provided with a convex shoulder, the inner side of the convex shoulder is provided with a positioning step, the inner sleeve is inserted into the outer sleeve, and the outer edge of the upper end part of the inner sleeve is provided with a convex edge which is abutted against the positioning step.

When the floor drain is used, the outer sleeve penetrates through the lower port of the floor drain body, the convex shoulder abuts against the inner side bottom wall of the floor drain body, then a filter plate (the floor drain is provided with the floor drain) is placed in the floor drain body, and the convex edge of the upper end part of the inner sleeve is pressed on the positioning step of the outer sleeve, so that the inner sleeve and the outer sleeve are fixed together. Through the arrangement, the inner sleeve and the outer sleeve are detachable, and a user can clean the inner sleeve by taking out the inner sleeve.

Compared with the prior art, the local leaky core has the following advantages:

1. the turnover plate is hinged to the outer side of the outer sleeve where the water outlet hole is located, the turnover plate can turn over under the action of self gravity and seal the water outlet hole, so that bugs or odor can be prevented from entering a room to a certain extent when the water seal fails, the double-odor-prevention function is ensured, and the anti-backflow effect can be achieved when backflow occurs in a sewer pipeline;

2. the double deodorization is realized only by changing the shape of the outer sleeve and the arrangement of the turning plate, so that the integral structure is greatly simplified while the deodorization effect is improved, the process is simpler, and the water discharge is also ensured.

Drawings

Figure 1 is a schematic view of the present floor drain core (in its natural state).

Figure 2 is a cross-sectional view of the present floor drain core (in its natural state).

Fig. 3 is an exploded view of the outer and inner sleeves of the local leaky core.

Figure 4 is a schematic view of the flap in the floor drain core.

Figure 5 is a side view of the flap in the present floor drain core.

Figure 6 is a schematic view of the present floor drain core (in use).

Figure 7 is a cross-sectional view of the present floor drain core (in use).

In the figure, 1, a jacket; 1a, water outlet holes; 1a1, mating surface; 1b, a shoulder; 1b1, positioning step; 1c, a vertical section; 1d, inclined plane; 1e, a hinge base; 1e1, seat body; 1e11, notched groove; 1e12, limit notch; 1f, a groove; 2. an inner sleeve; 2a, a water outlet; 2b, a convex edge; 3. a water passing cavity; 4. turning over a plate; 4a, an abutting surface; 4b, sheet-shaped bulges; 4c, an inner concave part; 5. and (4) hinging the shaft.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the floor drain core comprises an outer sleeve 1 which is arranged in the vertical direction and has a closed cylindrical lower end and an inner sleeve 2 which is arranged in the outer sleeve 1 and is provided with a water drainage hole 2a in the vertical direction, the lower end surface of the inner sleeve 2 is higher than the bottom wall of the inner side of the outer sleeve 1, a water passing cavity 3 is formed between the inner sleeve 2 and the outer sleeve 1, and a water drainage hole 1a communicated with the water passing cavity 3 is formed in the side part of the outer sleeve 1. The cross section of the outer sleeve 1 and the cross section of the inner sleeve 2 are both rectangular, namely the outer sleeve 1 and the inner sleeve 2 are both rectangular, the edge of the upper end of the outer sleeve 1 is provided with a convex shoulder 1b, the inner side of the convex shoulder 1b is provided with a positioning step 1b1, the inner sleeve 2 is inserted into the outer sleeve 1, the outer edge of the upper end of the inner sleeve 2 is provided with a convex edge 2b, the convex edge 2b abuts against the positioning step 1b1, and the upper side surface of the convex edge 2b of the inner sleeve 2 is flush with the upper side surface of the convex shoulder 1 b. The floor drain core is mainly used in a floor drain, the floor drain also comprises a floor drain body and a filter plate arranged in the floor drain body, the floor drain body is fixed when the floor drain core is installed, the outer sleeve 1 penetrates through the lower port of the floor drain body, the shoulder 1b abuts against the inner side bottom wall of the floor drain body, then the inner sleeve 2 is inserted into the outer sleeve 1, the convex edge 2b of the outer edge of the upper end portion of the inner sleeve abuts against the positioning step 1b1 of the outer sleeve 1, and finally the filter plate is placed into the floor drain body and firmly presses the convex edge 2b against the positioning step 1b 1. The upper end orifice of the lower water hole 2a is in a bell mouth shape, and the shape enables the siphon effect to be generated when water flows downwards from the upper end orifice of the lower water hole 2a, so that the drainage speed is improved.

Further, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the number of the water outlet holes 1a is two, and the two water outlet holes are respectively located on the side portions of the two long sides of the cross section of the outer sleeve 1, the outer side of the outer sleeve 1 where the two water outlet holes 1a are located is respectively hinged with a turning plate 4 capable of turning around a hinge point downwards to be embedded into the water outlet holes 1a, the outer port of the water outlet hole 1a is provided with a flared matching surface 1a1, and the edge of the turning plate 4 is provided with an abutting surface 4a capable of abutting against the matching surface 1a1 when the turning plate 4 turns around the hinge point downwards. Apopore 1a is square, turns over 4 shapes of board and matches with apopore 1 a. In a natural state, as shown in fig. 1 and fig. 2, the abutting surfaces 4a of the two turning plates 4 abut against the corresponding mating surfaces 1a1 respectively to seal the water outlet hole 1 a. During drainage, as shown in fig. 6 and 7, water flows into the water passing cavity 3 through the inner sleeve 2, and when the water flows over the water outlet hole 1a, the turning plate 4 is pushed away by the action of water pressure (the turning plate 4 turns upwards around the hinge point), so that drainage is realized. After the drainage is finished, a part of water is retained in the water passing cavity 3 lower than the water outlet hole 1a to form a water seal, meanwhile, the two turning plates 4 can turn downwards under the action of self gravity after losing the water pressure, the turning plates 4 are clamped in the outer port of the water outlet hole 1a and are abutted by the abutting surface 4a at the edge of the turning plate 4 and the matching surface 1a1 to seal the corresponding water outlet hole 1a again.

When the water retained in the water passing cavity 3 lower than the water outlet hole 1a is dried, namely the water seal is invalid, the abutting surface 4a of the turning plate 4 abuts against the matching surface 1a1, so that no gap exists between the turning plate 4 and the outer sleeve 1, the water outlet hole 1a is sealed, and the bugs or odor can be prevented from entering the room to a certain extent, thereby realizing the double-odor prevention function; and only by changing the shape of the outer sleeve 1 and the arrangement of the turning plate 4, the integral structure is greatly simplified while the deodorization effect is improved. In addition, when the backflow occurs in the sewer pipeline, the turning plate 4 can also play a role in preventing the backflow.

In addition, the sewer pipes are round pipes, and the local drain cores enable the cross section of the outer sleeve 1 and the cross section of the inner sleeve 2 to be rectangular, so that the side part of the outer sleeve 1 can be hinged with the turning plate 4 for use, and the water discharge can be guaranteed. The water discharge is ensured mainly by the combination of the following aspects: 1. the cross section of the outer sleeve 1 is rectangular, and the turning plate 4 is hinged on the outer side wall where the long side of the cross section of the outer sleeve 1 is located, so that the water outlet hole 1a can be made larger, the turning angle of the turning plate 4 is also larger, and the drainage quantity and the drainage speed at the position of the water outlet hole 1a are guaranteed; 2. under the condition that the cross section of the outer sleeve 1 is rectangular, the cross section of the inner sleeve 2 is rectangular, so that the drainage hole has enough circulation.

Further, as shown in fig. 5, the outer side surface of the flap 4 has an inner concave portion 4c which is gradually concave in an arc shape from the upper and lower sides of the flap 4 to the middle position. The arrangement of the inner concave part 4c ensures that the thickness of the lower part of the turning plate 4 is gradually increased from top to bottom, and the structure is very favorable for the turning plate 4 to swing downwards around a hinged point under the action of gravity after the drainage is finished, thereby ensuring the reliability of the double-deodorization function of the local core leakage. Meanwhile, the arrangement of the inner concave part 4c can ensure that the turning plate 4 is positioned in the outer port of the water outlet hole 1a to the maximum extent, the action position of the back overflow water on the turning plate 4 is reduced, so that the turning plate 4 cannot be lifted by the back overflow water, and the back overflow prevention effect is further improved. As shown in fig. 2, the outer side wall of the outer sleeve 1 where the water outlet hole 1a is located has an inclined surface 1d, the inclined surface 1d is located below the water outlet hole 1a, and the distance from the inclined surface 1d to the axis of the outer sleeve 1 gradually decreases from top to bottom. The distance between the inclined surface 1d and the inner side wall of the outer sleeve 1 where the water outlet hole 1a is located is gradually reduced from top to bottom, and the shape is more favorable for water drainage.

Further, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the lateral portion of the outer sleeve where the water outlet hole 1a is located has a hinge seat 1e, the upper side of the turning plate 4 has a sheet-shaped protrusion 4b, the upper side of the sheet-shaped protrusion 4b is integrally and fixedly connected with a hinge shaft 5 arranged in the hinge seat 1e, the lateral portion of the outer sleeve where the water outlet hole 1a is located is further provided with a groove 1f, the groove 1f is communicated with the water outlet hole 1a, and the sheet-shaped protrusion 4b can be embedded into the groove 1f when the turning plate 4 is turned downwards around the hinge point. The setting of recess 1f can give way for slice protruding 4b (in slice protruding embedding recess promptly) when turning over board 4 and overturn downwards for turning over can form the laminating as far as possible between 4a of board 4 and the corresponding fitting surface 1a1 and in order to improve the sealed effect to apopore 1a, thereby further improved and utilized turning over board 4 to carry out deodorant effect when the water seal is inefficacy. The hinged seat 1e comprises two seat bodies 1e1 located at the same height, the outer sleeve 1 is made of plastics, two seat bodies 1e1 are integrally formed on the outer sleeve 1, the groove 1f is located between the two seat bodies 1e1, the two seat bodies 1e1 are both provided with notch grooves 1e11, the notch grooves 1e11 penetrate through the upper side of the seat bodies 1e1 and one side, opposite to the two seat bodies 1e1, limiting notches 1e12 are arranged between the groove bottom wall of the two notch grooves 1e11 and the groove wall of one side of the notch grooves, and two ends of the hinge shaft 5 penetrate through the corresponding notch grooves 1e11 from top to bottom and are clamped into the corresponding limiting notches 1e 12.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The floor drain core comprises an outer sleeve (1) which is arranged in the vertical direction and has a closed cylindrical lower end and an inner sleeve (2) which is arranged in the outer sleeve (1) and is provided with a water outlet hole (2a) in the vertical direction, a water passing cavity (3) is formed between the inner sleeve (2) and the outer sleeve (1), the side part of the outer sleeve (1) is provided with water outlet holes (1a) communicated with the water passing cavity (3), the floor drain core is characterized in that the cross section of the outer sleeve (1) and the cross section of the inner sleeve (2) are rectangular, the number of the water outlet holes (1a) is two, the two water outlet holes are respectively positioned on the side part of two long edges of the cross section of the outer sleeve (1), the outer side of the outer sleeve (1) where the two water outlet holes (1a) are positioned is respectively hinged with a turning plate (4) which can be turned downwards around a hinge point to be embedded into the water outlet holes (1a), and the outer end opening of the water outlet holes (1a) is internally provided with a matching surface (1) which is flared in a shape, the edge of the flap (4) is provided with an abutting surface (4a) which can abut against the matching surface (1a1) when the flap (4) is turned downwards around the hinge point.

2. The floor drain core according to claim 1, characterized in that the outer side surface of the turning plate (4) is provided with an inner concave part (4c) which is gradually concave into a circular arc shape from the upper side and the lower side of the turning plate (4) to the middle position.

3. The floor drain core according to claim 2, wherein the lateral part of the outer sleeve (1) where the water outlet hole (1a) is located is provided with a hinge seat (1e), the upper side of the turning plate (4) is provided with a sheet-shaped protrusion (4b), the upper side of the sheet-shaped protrusion (4b) is integrally and fixedly connected with a hinge shaft (5) arranged in the hinge seat (1e), the lateral part of the outer sleeve where the water outlet hole (1a) is located is further provided with a groove (1f), the groove (1f) is communicated with the water outlet hole (1a), and the sheet-shaped protrusion (4b) can be embedded into the groove (1f) when the turning plate (4) turns downwards around the hinge point.

4. The floor drain core according to claim 3, characterized in that the hinged seat (1e) comprises two seat bodies (1e1) at the same height, the groove (1f) is located between the two seat bodies (1e1), the two seat bodies (1e1) are both provided with a notch groove (1e11), the notch groove (1e11) penetrates through the upper side of the seat body (1e1) and the side opposite to the two seat bodies (1e1), a limit notch (1e12) is arranged between the bottom wall of the two notch grooves (1e11) and the side wall of the groove, and the two ends of the hinge shaft (5) respectively penetrate through the corresponding notch grooves (1e11) from top to bottom and are clamped into the corresponding limit notches (1e 12).

5. Floor drain core according to claim 4, characterized in that the outer cover (1) is made of plastic and the two seat bodies (1e1) are integrally formed on the outer cover (1).

6. The floor drain core according to claim 1 or 2 or 3 or 4 or 5, characterized in that the outer side wall of the outer casing (1) where the water outlet holes (1a) are located is provided with an inclined surface (1d), the inclined surface (1d) is located below the water outlet holes (1a), and the distance from the inclined surface (1d) to the axis of the outer casing (1) is gradually reduced from top to bottom.

7. The floor drain core according to claim 6, characterized in that the water outlet hole (1a) is square, and the shape of the turning plate (4) is matched with the water outlet hole (1 a).

8. Floor drain core according to claim 1, characterized in that the upper end opening of the sewer hole (2a) is in the shape of a bell mouth.

9. The floor drain core according to claim 8, characterized in that the outer edge of the upper end of the outer sleeve (1) is provided with a shoulder (1b) and the inner side of the shoulder (1b) is provided with a positioning step (1b1), the inner sleeve (2) is inserted into the outer sleeve (1) and the outer edge of the upper end of the inner sleeve (2) is provided with a convex edge (2b) abutting against the positioning step (1b 1).