CN210216677U

CN210216677U - Magnetic balance pipeline drainage core

Info

Publication number: CN210216677U
Application number: CN201921067848.0U
Authority: CN
Inventors: Juncheng Li; 李军成
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-03-31
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a magnetic balance pipeline drainage core belongs to drainage technical field. The magnetic balance pipeline drainage core sealing plate solves the problems that the required gravity is not uniform in size and the opening degree is not uniform in opening of the existing magnetic balance pipeline drainage core sealing plate. The magnetic balance pipeline drainage core is provided with the balancing weight at the bottom of the guide rod, the balancing weight is made of a material with low magnetic permeability, the acting force of the sealing plate pressed on the sealing seat is adjusted by adjusting the weight of the balancing weight, and the weight and the opening degree of accumulated water required by opening the sealing plate can be controlled according to the actual requirement of the magnetic balance pipeline drainage core; meanwhile, the weight deviation value of accumulated water required by opening the sealing plate in the magnetic balance pipeline drainage core of the same model is smaller, and the opening deviation is smaller. The balancing weight is installed in the bottom of guide bar, changes the focus position of core, and then can reduce the diameter of guide bar and reduce the diameter of first permanent magnet and second permanent magnet, and then reduces the manufacturing cost of magnetic balance pipeline drainage core.

Description

Magnetic balance pipeline drainage core

Technical Field

The utility model belongs to the technical field of the drainage, a pipeline drainage device, especially a magnetic balance pipeline drainage core is related to.

Background

Plumbing is an important component of a building that connects indoor and drainage sewerage systems. The pipeline drainage core can be directly installed in a pipeline and also can be used as a floor drain core, and the pipeline drainage core is used for ensuring the characteristics of quick drainage, odor prevention, blockage prevention, easy cleaning and the like of the pipeline.

The related technology of utilizing the principle of magnetic force of repelling homopolar and attracting heteropolar to realize the automatic reset of the sealing plate in the core has been proposed, for example, an automatic sealing floor drain (No. CN201554081U), in which two permanent magnets are used to repel each other to make the sealing plate automatically reset. The magnetic suspension floor drain core (application publication No. CN 104863246A) is also provided, wherein one permanent magnet is fixed on the body, the other two permanent magnets are arranged on the guide rod, and the fixed permanent magnet is attracted with one of the movable permanent magnets and repelled with the other movable permanent magnet. The applicant has also proposed a floor drain core (No. CN 207672718U), which uses two magnets arranged in a repelling manner, and in order to ensure the stability and flexibility of the movement of the sealing plate, it is necessary to increase the diameter of the guide rod and the diameter of the magnet, so that the manufacturing cost is increased and the market competitiveness of the product is reduced.

The slight difference of the magnetic force of the magnets with the same model is objective, so that the gravity required by the drainage cores of the magnetic balance pipelines with the same model to open the sealing plate is different, for example, the accumulated water required by one floor drain core to open the sealing plate is 10g, and the accumulated water required by the other floor drain core to open the sealing plate is 20 g; under the same water flow impact, the opening degree of the sealing plate is different, if the opening degree is too small, the drainage speed is influenced, and if the opening degree is too large, the odor overflow amount is possibly too large; in a word, although the existing magnetic balance pipeline drainage core realizes the functions required by the product, the problem of inconsistent product quality exists.

Along with the increase of the service time of the floor drain, the magnetic force reduction also exists objectively, so that the gravity required for opening the sealing plate is reduced, and further the problems that the sealing plate is not reset in place, the sealing is not tight and the like can be caused.

Disclosure of Invention

The utility model provides a magnetic balance pipeline drainage core, the utility model discloses the technical problem that solves is how to improve magnetic balance pipeline drainage core and open required atress size uniformity to and can reduce the manufacturing cost of magnetic balance pipeline drainage core at best.

The to-be-solved technical problem of the utility model can be realized through the following technical scheme: a magnetic balance pipeline drainage core comprises a shell, a core body, a first permanent magnet and a second permanent magnet, wherein the shell comprises a main body and a guide support connected with the main body; a sealing seat is arranged on the inner wall of the main body, a guide cap is arranged on the guide support, a guide hole matched with the guide rod is formed in the center of the guide cap, the guide rod penetrates through the guide hole, and the sealing plate is positioned between the sealing seat and the guide cap; the first permanent magnet is sleeved on the guide rod and is arranged on the guide cap; the second permanent magnet is arranged on the guide rod and positioned between the sealing plate and the first permanent magnet, and the magnetic force of the first permanent magnet and the magnetic force of the second permanent magnet are repulsive; the bottom of the guide rod is provided with a balancing weight which is made of a material with low magnetic permeability; the sealing plate can abut against the sealing seat under the action of the repulsive magnetic force of the first permanent magnet and the second permanent magnet.

In the above-mentioned magnetic balance pipeline drainage core, the material of low magnetic permeability is copper, high manganese steel, ceramic or bakelite.

Compared with the prior art, through installing the balancing weight on the core, increase the weight of core, through the weight of adjustment balancing weight, realize adjusting the effort size that the closing plate pressed on the seal receptacle. Obviously, under the condition that the magnetic force is different in magnitude, the deviation value of the acting force of the sealing plate pressed on the sealing seat in the drainage core of the magnetic balance pipeline with the same model is smaller by increasing or reducing the weight of the balancing weight, and the deviation value can be smaller than or equal to 0.01N by accurately adjusting the weight of the balancing weight, namely the deviation value is smaller than or equal to 1g of the gravity of an object. In summary, the weight of accumulated water required by opening the sealing plate and the distance between the sealing plate and the sealing seat during large-flow drainage, namely the opening degree, can be controlled by adjusting the weight of the balancing weight; and the weight deviation value of accumulated water required for opening the sealing plate in the drainage core of the magnetic balance pipeline with the same model is smaller, and the opening deviation is smaller.

The magnetic force precision requirement of the first permanent magnet and the second permanent magnet in the drainage core of the magnetic balance pipeline is lower, and the first permanent magnet and the second permanent magnet do not need to be selected and matched during assembly, so that the manufacturing cost of the drainage core of the magnetic balance pipeline is reduced.

If magnetic force descends after the magnetic balance pipeline drainage core is used for a period of time, the weight of the balancing weight can be reduced by grinding the balancing weight, the acting force of the sealing plate pressing on the sealing seat can be adjusted, and the sealing performance can be further guaranteed.

The balancing weight is installed in the bottom of guide bar, changes the focus position of core, reduces the focus position of core promptly, makes the focus more be close to the guiding hole, reduces closing plate amplitude of oscillation from this, reduces the effort that the guide bar pressed on the guiding hole lateral wall, realizes reducing the dead possibility of guide bar and guiding hole card. In other words, on the premise of ensuring the movement stability and flexibility of the core body, the diameter of the guide rod can be reduced, the diameters of the first permanent magnet and the second permanent magnet can be reduced, and the manufacturing cost of the drainage core of the magnetic balance pipeline is further reduced.

Drawings

FIG. 1 is a schematic perspective view of a drain core of a magnetic balance pipe.

FIG. 2 is a schematic diagram of a top view structure of a magnetic balance pipe drainage core.

Fig. 3 is a schematic sectional structure view of a-a in fig. 2.

Fig. 4 is a schematic top view of the guide cap.

In the figure, 1, a housing; 1a, a main body; 1b, a guide bracket; 1c, a protective cover; 1c1, water leakage hole; 2. a core body; 2a, a sealing plate; 2b, a guide rod; 2c, a water guide cap; 2c1, water diversion convex strips; 3. a first permanent magnet; 4. a second permanent magnet; 5. a balancing weight; 6. a sealing seat; 6a, a seat body; 6b, a sealing ring; 7. a guide cap; 7a, a guide hole; 7b, a groove; 8. fastening a nut; 9. sealing gaskets; 10. and (4) a plug.

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 to 4, a magnetic balance pipe drainage core includes a housing 1, a core 2, a first permanent magnet 3, a second permanent magnet 4, and a weight 5. The housing 1 includes a main body 1a and a guide bracket 1b connected to the main body 1a, and the core 2 includes a sealing plate 2a and a guide bar 2b connected to the sealing plate 2 a.

The main body 1a is tubular, a connecting structure capable of being connected with the floor drain shell is arranged on the outer wall of the main body 1a, and the connecting structure is a thread given in the attached drawings of the specification. The main body 1a is vertically arranged when the magnetic balance pipeline drainage core is in an installation state, so that liquid can flow in from the upper port of the main body 1a and flow out from the lower port.

The inner wall of the main body 1a is provided with a sealing seat 6, and the description attached figures show that the sealing seat 6 comprises a seat body 6a in threaded connection with the main body 1a and a sealing ring 6b sleeved at the bottom edge of the seat body 6 a; the sealing seat 6 can be disassembled and assembled by screwing the seat body 6a, so that the sealing seat 6 has the advantage of convenient disassembly and assembly.

The top of the guide bracket 1b is connected to the bottom of the main body 1 a. The housing 1 further includes a protection cover 1c at the center of the guide bracket 1b, the protection cover 1c is tapered, the top surface of the protection cover 1c is larger than the bottom surface, the top surface of the protection cover 1c has an opening, the bottom surface of the protection cover 1c has a water leakage hole 1c1, and the guide cap 7 is installed at the opening. The guide cap 7 and the guide bracket 1b can be connected by screw thread or tight fit or bonded. The shell 1 is of an integrated structure, so that the component manufacturing is facilitated, the manufacturing cost is reduced, and the connection firmness is improved.

The center of the guide cap 7 is provided with a guide hole 7a matched with the guide rod 2b, the side wall of the guide hole 7a is provided with a plurality of grooves 7b arranged along the axial lead of the guide hole 7a in the circumferential direction, sundries and water can enter the grooves 7b, and the moving stability and flexibility of the guide rod 2b along the side wall of the guide hole 7a are further improved.

The guide rod 2b penetrates through the guide hole 7a, the sealing plate 2a is positioned between the sealing seat 6 and the guide cap 7, therefore, the sealing plate 2a is positioned below the sealing seat 6, the sealing plate 2a and the guide support 1b are connected through a guide structure consisting of the guide rod 2b and the guide cap 7, and the upper plate surface of the sealing plate 2a is close to or far away from the sealing seat 6 when the sealing plate 2a moves along the guide direction of the guide structure; in other words, the guide direction of the guide structure is the vertical lifting direction when the drainage core of the magnetic balance pipeline is in the installation and use state. The lower extreme of guide bar 2b is located protection casing 1c, avoids debris to influence guide bar 2b and removes from this, further guarantees guide bar 2b motion stability and flexibility.

The core body 2 further comprises a water guide cap 2c, the sealing plate 2a is annular, the water guide cap 2c is located above the sealing plate 2a, and the lower edge of the water guide cap 2c is fixedly connected with the inner edge of the sealing plate 2a in a sealing mode. When the seal plate 2a and the seal ring 6b are in a state of abutting, the water guide cap 2c is positioned inside the seal seat 6. The upper side surface of the water guide cap 2c is approximately spherical, so water drops naturally flow outwards when dropping on the upper side surface of the water guide cap 2c, and the drainage smoothness of the drainage core of the magnetic balance pipeline is realized under the water guide effect of the upper side surface of the water guide cap 2 c. The water guiding cap 2c is of a thin-wall structure, so that the weight of the water guiding cap 2c is effectively controlled, and the gravity center of the core body 2 is lowered. The top of the guide rod 2b is connected with the concave surface of the water guide cap 2c, and the core body 2 is of an integrated structure, so that the component manufacturing is facilitated, the manufacturing cost is reduced, and the connection firmness is improved.

The upper side surface of the water guide cap 2c is provided with a plurality of water distribution convex strips 2c1 which are uniformly distributed along the circumferential direction of the axial lead of the water guide cap 2c, and the water distribution convex strips 2c1 are arc-shaped, so that water flow rushes on the water guide cap 2c to force the water guide cap 2c to rotate, thereby possibly throwing sundries adhered on the water guide cap 2c and the sealing plate 2a, namely the core body 2 has a self-cleaning function.

Open on the bottom surface of direction cap 7 has annular groove 7b, and first permanent magnet 3 is the ring form, and first permanent magnet 3 inlays to be established in annular groove 7b, and threaded connection has fastening nut 8 on the direction cap 7, and the pad is equipped with seal gasket 9 between fastening nut 8 and the first permanent magnet 3, under seal gasket 9's effect, guarantees annular groove 7b internal seal, and then avoids the corrosion of first permanent magnet 3. Thus, the first permanent magnet 3 is fitted over the guide bar 2 b.

The diameter of the sealing plate 2a is smaller than that of the inner cavity of the main body 1a, so that the sealing plate 2a can be taken out after the sealing seat 6 is removed. Because the guiding cap 7 is installed on the top of the protection cover 1c, the guiding cap 7 can be installed in the protection cover 1c from top to bottom, and therefore the first permanent magnet 3, the sealing gasket 9 and the fastening nut 8 are assembled into an assembly first and then installed on the protection cover 1c, which obviously has the advantage of convenient installation.

The guide rod 2b is tubular, and an opening is formed in the lower end face of the guide rod; second permanent magnet 4 is cylindricly, and first permanent magnet 3 is placed in guide bar 2b, still installs stopper 10 in guide bar 2b, and stopper 10 is located first permanent magnet 3's below, and stopper 10 makes guide bar 2b inner chamber sealed, and then avoids the corrosion of second permanent magnet 4. Because the second permanent magnet 4 is positioned between the sealing plate 2a and the first permanent magnet 3, and the magnetic forces of the first permanent magnet 3 and the second permanent magnet 4 are repulsive, the second permanent magnet 4 does not need to be fixed, and the second permanent magnet 4 is convenient to replace; meanwhile, the structure also has the advantage that the guide cap 7 is not easy to loosen and fall.

Counterweight 5 is installed to guide bar 2 b's bottom, and counterweight 5 is cylindricly, and counterweight 5 stopper has compact structure's advantage in guide bar 2 b. The balancing weight 5 and the guide rod 2b can be connected by threads or bonded by glue or clamped. The balancing weight 5 is made of a material with low magnetic permeability, and the material with low magnetic permeability is copper, high manganese steel, ceramic or bakelite. Because the core 2 has the advantage of convenient dismounting, and then the core 2 can be dismounted repeatedly and the weight of the balancing weight 5 can be adjusted in the detection and adjustment process by the drainage core of the magnetic balance pipeline. Because the balancing weight 5 is not influenced by magnetic force, the stress consistency of the sealing plate 2a of the drainage core of the same magnetic balance pipeline is improved.

When the sealing plate 2a does not bear the action of the water gravity, the sealing plate 2a is propped against the sealing seat 6 under the action of the repulsive magnetic force of the first permanent magnet 3 and the second permanent magnet 4, the sealing property between the sealing plate 2a and the sealing seat 6 is ensured, and the backflow of odor is avoided. When the sealing plate 2a is under the action of water gravity, the sealing plate 2a moves downwards, a drainage channel is formed between the sealing plate 2a and the sealing seat 6, and water flows away through the drainage channel. After the water flows away, the sealing plate 2a is rested on the sealing seat 6 under the action of the repulsive magnetic force of the first permanent magnet 3 and the second permanent magnet 4.

Compared with the floor drain inner core authorization notice number CN207700346U applied by the applicant, the diameter of the guide rod 2b adopted by the magnetic balance pipeline drainage core can be reduced by 40%.

Claims

1. A magnetic balance pipeline drainage core comprises a shell (1), a core body (2), a first permanent magnet (3) and a second permanent magnet (4), wherein the shell (1) comprises a main body (1 a) and a guide support (1 b) connected with the main body (1 a), and the core body (2) comprises a sealing plate (2 a) and a guide rod (2 b) connected with the sealing plate (2 a); a sealing seat (6) is installed on the inner wall of the main body (1 a), a guide cap (7) is installed on the guide support (1 b), a guide hole (7 a) matched with the guide rod (2 b) is formed in the center of the guide cap (7), the guide rod (2 b) penetrates through the guide hole (7 a), and the sealing plate (2 a) is located between the sealing seat (6) and the guide cap (7); the first permanent magnet (3) is sleeved on the guide rod (2 b), and the first permanent magnet (3) is arranged on the guide cap (7); the second permanent magnet (4) is arranged on the guide rod (2 b), the second permanent magnet (4) is positioned between the sealing plate (2 a) and the first permanent magnet (3), and the magnetic forces of the first permanent magnet (3) and the second permanent magnet (4) are repulsive; the magnetic suspension type magnetic suspension device is characterized in that a balancing weight (5) is installed at the bottom of the guide rod (2 b), and the balancing weight (5) is made of a material with low magnetic permeability; the sealing plate (2 a) can abut against the sealing seat (6) under the action of the repulsive magnetic force of the first permanent magnet (3) and the second permanent magnet (4).

2. The magnetically balanced pipe drain core according to claim 1, wherein the low magnetic permeability material is copper, high manganese steel, ceramic, or bakelite.

3. The magnetic balance pipeline drainage core according to claim 1, wherein the counterweight block (5) and the guide rod (2 b) are connected by threads or bonded by glue or clamped.

4. A magnetic balance pipe drainage core according to claim 1, 2 or 3, wherein the guide rod (2 b) is tubular with an opening on its lower end face; the first permanent magnet (3) and the balancing weight (5) are both positioned in the guide rod (2 b).

5. The magnetic balance pipe drainage core according to claim 4, wherein a plug (10) is further installed in the guide rod (2 b), the plug (10) is located below the first permanent magnet (3), and the plug (10) seals the inner cavity of the guide rod (2 b).

6. A magnetic balance pipe drainage core according to claim 1, 2 or 3, wherein the housing (1) further comprises a shield (1 c) at the center of the guide bracket (1 b), the shield (1 c) is mounted on the shield (1 c), and the lower end of the guide rod (2 b) is located inside the shield (1 c).

7. The magnetic balance pipeline drainage core according to claim 6, wherein the bottom surface of the guide cap (7) is provided with an annular groove (7 b), the first permanent magnet (3) is embedded in the annular groove (7 b), the guide cap (7) is in threaded connection with a fastening nut (8), and a sealing gasket (9) for sealing the annular groove (7 b) is arranged between the fastening nut (8) and the first permanent magnet (3).

8. The magnetic balance pipeline drainage core according to claim 7, wherein the top surface of the protective cover (1 c) is provided with an opening, the guide cap (7) is installed at the opening, the sealing seat (6) is in threaded connection with the main body (1 a), and the diameter of the sealing plate (2 a) is smaller than that of the inner cavity of the main body (1 a).

9. The magnetic balance pipe drainage core according to claim 6, wherein the protective cover (1 c) is tapered, the top surface of the protective cover (1 c) is larger than the bottom surface, and the bottom surface of the protective cover (1 c) is provided with water leakage holes (1 c 1).

10. The magnetic balance pipeline drainage core according to claim 1, wherein the core body (2) further comprises a water guide cap (2 c), the sealing plate (2 a) is annular, the water guide cap (2 c) is positioned above the sealing plate (2 a), and the lower edge of the water guide cap (2 c) is fixedly connected with the inner edge of the sealing plate (2 a) in a sealing manner; the upper side surface of the water guide cap (2 c) is provided with a plurality of water distribution convex strips (2 c 1) which are uniformly distributed along the circumferential direction of the axis of the water guide cap (2 c), the water distribution convex strips (2 c 1) are arc-shaped, and the guide rod (2 b) can rotate when water flow impacts the water guide cap (2 c); the side wall of the guide hole (7 a) is provided with a plurality of grooves (7 b) which are arranged along the axial lead of the guide hole (7 a) in the circumferential direction.