CN214654149U

CN214654149U - Automatically controlled reuse water equipment for industrial waste water treatment

Info

Publication number: CN214654149U
Application number: CN202120546169.2U
Authority: CN
Inventors: 杨定凯
Original assignee: Nanjing Muli Intelligent Technology Co ltd
Current assignee: Nanjing Muli Intelligent Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-09
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses an industrial waste water treatment is with automatically controlled reuse water equipment relates to reuse water equipment technical field, can only handle recycle to waste water itself for solving current industrial waste water treatment equipment, and general industrial waste water has higher temperature, and current waste water treatment equipment can not carry out heat recovery to waste water to cause the problem of heat energy loss. The utility model discloses a quick-witted support of gear wheel, including base up end, base, bracing piece, connecting plate and base, the front end and the rear end of base up end one side are all fixed to be provided with the bracing piece, and the bracing piece is provided with eight, eight the fixed control box that is provided with in top of bracing piece, the inside of control box is provided with heat transfer mechanism, and heat transfer mechanism is provided with threely, one side of control box is provided with filtering mechanism, the both sides of control box below all are provided with the connecting plate, and connecting plate and base fixed connection, be provided with the gear wheel pole between the connecting plate, the both ends of gear wheel pole pass through the bearing rotation with the connecting plate respectively and are connected, and the one end of gear wheel pole extends to one side of connecting plate.

Description

Automatically controlled reuse water equipment for industrial waste water treatment

Technical Field

The utility model relates to a reuse water equipment technical field specifically is an industrial waste water treatment is with automatically controlled reuse water equipment.

Background

The reuse water mainly refers to non-drinking water which can be reused in a certain range after the sewage is treated to reach a certain water quality standard, and in order to improve the utilization rate of the sewage, the industrial wastewater is filtered and then used for other purposes.

The existing industrial wastewater treatment equipment can only treat and recycle wastewater, but general industrial wastewater has higher temperature, and the existing wastewater treatment equipment can not recover heat energy of the wastewater, so that heat energy loss is caused; therefore, the existing requirements are not met, and an electric control reuse water device for industrial wastewater treatment is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industrial waste water treatment is with automatically controlled reuse water equipment to solve the current industrial waste water treatment equipment that provides in the above-mentioned background art and can only handle recycle to waste water itself, and general industrial waste water has higher temperature, and current waste water treatment equipment can not carry out heat recovery to waste water, thereby causes the problem of heat energy loss.

In order to achieve the above object, the utility model provides a following technical scheme: an electric control reuse water device for industrial wastewater treatment, which comprises a base, wherein the front end and the rear end of one side of the upper end surface of the base are both fixedly provided with a supporting rod, eight support rods are arranged, a control box is fixedly arranged above the eight support rods, a heat exchange mechanism is arranged in the control box, and three heat exchange mechanisms are arranged, one side of the control box is provided with a filtering mechanism, two sides below the control box are both provided with connecting plates, and the connecting plates are fixedly connected with the base, a gear rod is arranged between the connecting plates, two ends of the gear rod are respectively and rotatably connected with the connecting plates through bearings, one end of the gear rod extends to one side of the connecting plate, a driving bevel gear is fixedly sleeved on the outer wall of the gear rod, and the number of the driving bevel gears is three, the rear end of the control box is provided with a water storage tank, and the water storage tank is fixedly connected with the base.

Preferably, heat transfer mechanism comprises heat transfer case, dwang, impeller, inlet tube, outlet pipe and fixed pipe, the heat transfer case is located the inside of control box, and the below inner wall fixed connection of heat transfer case and control box, the dwang is located the inside of heat transfer case, and the one end of dwang passes through the bearing with the top inner wall of heat transfer case and rotates and be connected, the other end of dwang extends to the below of control box, impeller is provided with five, five impeller all fixes the outer wall of cup jointing at the dwang, inlet tube fixed connection is in one side of heat transfer case top outer wall, outlet pipe fixed connection is in the below of heat transfer case one side outer wall, and the one end of outlet pipe extends to the below of control box, fixed pipe fixed connection is at the opposite side of heat transfer case top outer wall.

Preferably, the junction between the below inner wall of dwang and heat transfer case and the below inner wall of control box is fixed mounting respectively has mechanical seal, the dwang is located the fixed driven bevel gear that is provided with of one end of control box below, and driven bevel gear is connected with the meshing of initiative bevel gear, the one end of inlet tube extends to the top of control box, the outlet pipe is located the one end of control box below and the outer wall fixed connection of storage water tank, and the inside of outlet pipe and the inside of storage water tank link up mutually, the inside of fixed pipe link up mutually with the inside of heat transfer case, and the other end of fixed pipe and the outer wall fixed connection of control box, the other end of fixed pipe extends to the top of control box, the material of heat transfer case is copper.

Preferably, the fixed mount pad that is provided with of up end of control box, and the mount pad is provided with threely, three the equal fixed mounting in top of mount pad has the temperature monitor, the inside of the fixed pipe of monitor fixed connection of temperature monitor, and the monitor of temperature monitor extends to the inside of heat transfer case, the fixed raceway that is provided with in top of control box one side outer wall, be provided with first mounting panel between control box and the storage water tank, and first mounting panel is provided with threely, three the equal fixed mounting in top of first mounting panel has first water pump, and first water pump and outlet pipe fixed mounting, the fixed drain pipe that is provided with of rear end outer wall of storage water tank, the one end threaded connection of drain pipe has sealed lid, the fixed heat preservation cotton layer that is provided with of outer wall of storage water tank.

Preferably, the filtering mechanism consists of a fixed rod, a processing box, a grating plate, a quartz sand filtering plate, an activated carbon filtering plate, an ion exchange resin filtering plate and a communicating pipe, four fixing rods are arranged and are all fixedly connected with the other side of the upper end surface of the base, the treatment box is fixedly connected above the fixing rod, the grid plate is fixedly arranged above the inner part of the treatment box, the quartz sand filter plate is positioned below the grid plate, the active carbon filter plate is positioned below the quartz sand filter plate, the ion exchange resin filter plate is positioned below the active carbon filter plate, and the quartz sand filter plate, the active carbon filter plate and the ion exchange resin filter plate are all fixedly arranged inside the treatment box, the communicating pipe is fixedly connected below the outer wall of one side of the treatment box, and the communicating pipe is communicated with the inside of the treatment box.

Preferably, be provided with the second mounting panel between processing case and the control box, and second mounting panel and base fixed connection, the top fixed mounting of second mounting panel has the second water pump, the equal fixed mounting in both sides of second water pump has the connecting pipe, the connecting pipe one end of second water pump both sides respectively with one side outer wall of control box and the top outer wall fixed connection who handles the case, the inside of control box, processing case and connecting pipe link up mutually, the fixed motor cabinet that is provided with in one side of base up end, and the motor cabinet is located one side of connecting plate, the top fixed mounting of motor cabinet has the motor, shaft coupling fixed connection is passed through with the one end that the gear pole is located connecting plate one side to the output of motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a control box, a heat exchange mechanism, a motor, a gear rod and a drive bevel gear, thereby when the wastewater treatment is carried out, clean water can be discharged into the heat exchange box through a water inlet pipe, then high-temperature wastewater is discharged into the control box through a water delivery pipe, the water in the heat exchange box can exchange heat with the high-temperature wastewater in the control box, and the material of the heat exchange box is copper, thereby the heat exchange effect is better, the motor is started, the motor drives the gear rod to rotate, the gear rod drives a rotating rod to rotate through a drive bevel gear and a driven bevel gear, the rotating rod drives a stirring impeller to rotate, thereby the stirring impeller can stir the water in the heat exchange box, therefore, the water in the heat exchange box can exchange heat with the high-temperature wastewater uniformly, therefore, the water in the heat exchange box can be heated by utilizing the temperature of the high-temperature wastewater, the water in the heat exchange box can be heated to a certain temperature, and the heated water is used for other purposes, such as urban bathrooms, so that the utilization rate of industrial wastewater is improved, and the water is not required to be heated through coal resources in other purposes, so that the use of the coal resources is reduced.

2. Through setting up fixed pipe, temperature monitor to when the water of heat transfer incasement portion and the inside high temperature waste water of control box carry out the heat transfer, the temperature monitor can monitor the temperature of heat transfer incasement portion, when the temperature of heat transfer incasement portion reached the temperature of needs, can discharge the inside to the storage water tank through the log raft after will heating through first water pump, thereby the staff can in time change the water of heat transfer incasement portion.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of the area A of FIG. 1 according to the present invention;

fig. 3 is a schematic overall top view structure of the present invention;

in the figure: 1. a base; 2. a support bar; 3. a control box; 4. a heat exchange mechanism; 5. a filtering mechanism; 6. a connecting plate; 7. a gear lever; 8. a drive bevel gear; 9. a water storage tank; 10. mechanical sealing; 11. a driven bevel gear; 12. a mounting seat; 13. a water temperature monitor; 14. a water delivery pipe; 15. a first mounting plate; 16. a first water pump; 17. a drain pipe; 18. a sealing cover; 19. a heat insulation cotton layer; 20. a second mounting plate; 21. a second water pump; 22. a connecting pipe; 23. a motor base; 24. a motor; 401. a heat exchange box; 402. rotating the rod; 403. a stirring impeller; 404. a water inlet pipe; 405. a water outlet pipe; 406. a fixed tube; 501. fixing the rod; 502. a treatment tank; 503. a grid plate; 504. a quartz sand filter plate; 505. an activated carbon filter plate; 506. an ion exchange resin filter plate; 507. a communication pipe is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: an electrically controlled reuse water device for industrial wastewater treatment comprises a base 1, wherein the front end and the rear end of one side of the upper end surface of the base 1 are fixedly provided with eight support rods 2, a control box 3 is fixedly arranged above the eight support rods 2, the interior of the control box 3 is provided with three heat exchange mechanisms 4, one side of the control box 3 is provided with a filtering mechanism 5, the two sides below the control box 3 are respectively provided with a connecting plate 6, the connecting plates 6 are fixedly connected with the base 1, a gear rod 7 is arranged between the connecting plates 6, the two ends of the gear rod 7 are respectively rotatably connected with the connecting plates 6 through bearings, one end of the gear rod 7 extends to one side of the connecting plate 6, the outer wall of the gear rod 7 is fixedly sleeved with a driving bevel gear 8, the driving bevel gear 8 is provided with three, the rear end of the control box 3 is provided with a water storage tank 9, and storage water tank 9 and base 1 fixed connection through setting up storage water tank 9 to store the water after the heating through storage water tank 9.

Further, the heat exchange mechanism 4 is composed of a heat exchange box 401, a rotating rod 402, stirring impellers 403, a water inlet pipe 404, a water outlet pipe 405 and a fixing pipe 406, the heat exchange box 401 is located inside the control box 3, the lower inner wall of the heat exchange box 401 is fixedly connected with the lower inner wall of the control box 3, the rotating rod 402 is located inside the heat exchange box 401, one end of the rotating rod 402 is rotatably connected with the upper inner wall of the heat exchange box 401 through a bearing, the other end of the rotating rod 402 extends to the lower part of the control box 3, five stirring impellers 403 are arranged, the five stirring impellers 403 are fixedly sleeved on the outer wall of the rotating rod 402, the water inlet pipe 404 is fixedly connected to one side of the upper outer wall of the heat exchange box 401, the water outlet pipe 405 is fixedly connected to the lower part of the outer wall of one side of the heat exchange box 401, one end of the water outlet pipe 405 extends to the lower part of the control box 3, the fixing pipe 406 is fixedly connected to the other side of the upper outer wall of the heat exchange box 401, by arranging the fixing pipe 406, so that the lead wire of the water temperature monitor 13 can be positioned inside the fixing tube 406 to prevent the lead wire of the water temperature monitor 13 from being damaged by the high-temperature industrial wastewater through the fixing tube 406.

Further, a mechanical seal 10 is fixedly arranged at the joint between the rotating rod 402 and the lower inner wall of the heat exchange box 401 and the lower inner wall of the control box 3, a driven bevel gear 11 is fixedly arranged at one end of the rotating rod 402 below the control box 3, and the driven bevel gear 11 is engaged with the driving bevel gear 8, one end of the water inlet pipe 404 extends to the upper part of the control box 3, one end of the water outlet pipe 405 positioned below the control box 3 is fixedly connected with the outer wall of the water storage tank 9, and the inside of the water outlet pipe 405 is communicated with the inside of the water storage tank 9, the inside of the fixed pipe 406 is communicated with the inside of the heat exchange tank 401, the other end of the fixed pipe 406 is fixedly connected with the outer wall of the control box 3, the other end of the fixed pipe 406 extends to the upper part of the control box 3, the heat exchange box 401 is made of copper, set up to copper through the material with heat exchange box 401 to make heat exchange box 401's heat transfer effect better.

Further, the upper end face of the control box 3 is fixedly provided with three mounting seats 12, the three mounting seats 12 are provided, the water temperature monitors 13 are fixedly mounted above the three mounting seats 12, the monitoring probes of the water temperature monitors 13 are fixedly connected inside the fixed pipe 406, the monitoring probes of the water temperature monitors 13 extend into the heat exchange box 401, the water delivery pipe 14 is fixedly arranged above the outer wall of one side of the control box 3, the first mounting plate 15 is arranged between the control box 3 and the water storage tank 9, the three first mounting plates 15 are provided, the first water pumps 16 are fixedly mounted above the three first mounting plates 15, the first water pumps 16 are fixedly mounted with the water outlet pipe 405, the outer wall of the rear end of the water storage tank 9 is fixedly provided with the water outlet pipe 17, one end of the water outlet pipe 17 is in threaded connection with the sealing cover 18, the outer wall of the water storage tank 9 is fixedly provided with the heat preservation cotton layer 19, and by providing the heat preservation cotton layer 19, thereby the heat preservation effect of the water storage tank 9 is better.

Further, the filtering mechanism 5 is composed of a fixing rod 501, a processing box 502, a grid plate 503, a quartz sand filtering plate 504, an activated carbon filtering plate 505, an ion exchange resin filtering plate 506 and a communicating pipe 507, four fixing rods 501 are provided, four fixing rods 501 are all fixedly connected to the other side of the upper end surface of the base 1, the processing box 502 is fixedly connected above the fixing rods 501, the grid plate 503 is fixedly installed above the inside of the processing box 502, the quartz sand filtering plate 504 is located below the grid plate 503, the activated carbon filtering plate 505 is located below the quartz sand filtering plate 504, the ion exchange resin filtering plate 506 is located below the activated carbon filtering plate 505, the quartz sand filtering plate 504, the activated carbon filtering plate 505 and the ion exchange resin filtering plate 506 are all fixedly installed inside the processing box 502, the communicating pipe 507 is fixedly connected below the outer wall of one side of the processing box 502, and the communicating pipe 507 is communicated with the inside of the processing box 502, by providing communication pipe 507, the wastewater after the filtration treatment is discharged through communication pipe 507.

Further, a second mounting plate 20 is arranged between the processing box 502 and the control box 3, the second mounting plate 20 is fixedly connected with the base 1, a second water pump 21 is fixedly arranged above the second mounting plate 20, connecting pipes 22 are fixedly arranged on both sides of the second water pump 21, and by arranging the second water pump 21, so that the waste water in the control box 3 can be pumped into the processing box 502 by the second water pump 21, one end of the connecting pipe 22 at the two sides of the second water pump 21 is respectively fixedly connected with the outer wall at one side of the control box 3 and the outer wall above the processing box 502, the interiors of the control box 3, the processing box 502 and the connecting pipe 22 are communicated with each other, one side of the upper end surface of the base 1 is fixedly provided with the motor base 23, and the motor cabinet 23 is located one side of connecting plate 6, and motor 24 is fixedly mounted above motor cabinet 23, and the output of motor 24 passes through shaft coupling fixed connection with the one end that gear lever 7 is located one side of connecting plate 6.

The working principle is as follows: when the device is used, when wastewater treatment is carried out, clean water can be discharged into the heat exchange box 401 through the water inlet pipe 404, then high-temperature wastewater is discharged into the control box 3 through the water delivery pipe 14, the water in the heat exchange box 401 can exchange heat with the high-temperature wastewater in the control box 3, the heat exchange box 401 is made of copper, so that the heat exchange effect is better, the motor 24 and the second water pump 21 are started, the motor 24 drives the gear rod 7 to rotate, the gear rod 7 drives the rotating rod 402 to rotate through the driving bevel gear 8 and the driven bevel gear 11, the rotating rod 402 drives the stirring impeller 403 to rotate, so that the stirring impeller 403 can stir the water in the heat exchange box 401, the water in the heat exchange box 401 can exchange heat with the high-temperature wastewater uniformly, and the water in the heat exchange box 401 can be heated by using the temperature of the high-temperature wastewater, so that the water in the heat exchange box 401 can be heated to a certain temperature, the industrial wastewater in the control box 3 can be pumped into the treatment box 502 through the second water pump 21 and the connecting pipe 22, after the wastewater enters the treatment box 502, the wastewater can be firstly filtered through the grating plate 503, so as to filter the larger residues and impurities in the wastewater, then the wastewater can be filtered and adsorbed through the quartz sand filter plate 504, the activated carbon filter plate 505 and the ion exchange resin filter plate 506 in sequence, so as to adsorb and filter the impurities and harmful substances in the wastewater, then the recycle water reaching the emission standard is discharged through the communicating pipe 507, meanwhile, the worker can monitor the water temperature in the heat exchange box 401 through the water temperature monitor 13, when the water temperature reaches the required temperature, the worker starts the first water pump 16, the heated water is discharged into the water storage tank 9 through the first water pump 16 and the water outlet pipe 405 for storage, after the water heated in the heat exchange box 401 is discharged, water can be added through the water inlet pipe 404 to continue the heat exchange operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. The utility model provides an industrial waste water treatment is with automatically controlled reuse water equipment, includes base (1), its characterized in that: the front end and the rear end of one side of the upper end face of the base (1) are fixedly provided with supporting rods (2), eight supporting rods (2) are arranged, a control box (3) is fixedly arranged above the eight supporting rods (2), the interior of the control box (3) is provided with a heat exchange mechanism (4), three heat exchange mechanisms (4) are arranged, one side of the control box (3) is provided with a filtering mechanism (5), two sides of the lower part of the control box (3) are respectively provided with a connecting plate (6), the connecting plates (6) are fixedly connected with the base (1), a gear rod (7) is arranged between the connecting plates (6), two ends of the gear rod (7) are respectively rotatably connected with the connecting plates (6) through bearings, one end of the gear rod (7) extends to one side of the connecting plate (6), the outer wall of the gear rod (7) is fixedly sleeved with a driving bevel gear (8), and the number of the driving bevel gears (8) is three, a water storage tank (9) is arranged at the rear end of the control box (3), and the water storage tank (9) is fixedly connected with the base (1).

2. An electrically controlled reuse water apparatus for industrial wastewater treatment according to claim 1, characterized in that: heat transfer mechanism (4) comprises heat transfer case (401), dwang (402), impeller (403), inlet tube (404), outlet pipe (405) and fixed pipe (406), heat transfer case (401) is located the inside of control box (3), and the below inner wall fixed connection of heat transfer case (401) and control box (3), dwang (402) is located the inside of heat transfer case (401), and the top inner wall of the one end of dwang (402) and heat transfer case (401) passes through the bearing and rotates and be connected, the other end of dwang (402) extends to the below of control box (3), impeller (403) are provided with five, five impeller (403) all fix the cup joint at the outer wall of dwang (402), inlet tube (404) fixed connection is in one side of heat transfer case (401) top outer wall, outlet pipe (405) fixed connection is in the below of heat transfer case (401) one side outer wall, and one end of the water outlet pipe (405) extends to the lower part of the control box (3), and the fixed pipe (406) is fixedly connected to the other side of the outer wall above the heat exchange box (401).

3. An electrically controlled reuse water apparatus for industrial wastewater treatment according to claim 2, characterized in that: the mechanical seal (10) is fixedly installed at the joint between the lower inner wall of the rotating rod (402) and the heat exchange box (401) and the lower inner wall of the control box (3), a driven bevel gear (11) is fixedly arranged at one end of the rotating rod (402) below the control box (3), the driven bevel gear (11) is meshed with the driving bevel gear (8), one end of the water inlet pipe (404) extends to the upper part of the control box (3), one end of the water outlet pipe (405) below the control box (3) is fixedly connected with the outer wall of the water storage tank (9), the interior of the water outlet pipe (405) is communicated with the interior of the water storage tank (9), the interior of the fixed pipe (406) is communicated with the interior of the heat exchange box (401), the other end of the fixed pipe (406) is fixedly connected with the outer wall of the control box (3), and the other end of the fixed pipe (406) extends to the upper part of the control box (3), the heat exchange box (401) is made of copper.

4. An electrically controlled reuse water apparatus for industrial wastewater treatment according to claim 1, characterized in that: the water heater is characterized in that the upper end face of the control box (3) is fixedly provided with three mounting seats (12), three mounting seats (12) are arranged, water temperature monitors (13) are fixedly mounted above the three mounting seats (12), monitoring probes of the water temperature monitors (13) are fixedly connected inside fixed pipes (406), the monitoring probes of the water temperature monitors (13) extend into the heat exchange box (401), a water conveying pipe (14) is fixedly arranged above the outer wall of one side of the control box (3), a first mounting plate (15) is arranged between the control box (3) and the water storage tank (9), three first mounting plates (15) are arranged, first water pumps (16) are fixedly mounted above the three first mounting plates (15), the first water pumps (16) are fixedly mounted on the outer wall of the rear end of the water storage tank (9), a water drainage pipe (17) is fixedly arranged on the outer wall of the rear end of the water storage tank (9), one end of the drain pipe (17) is in threaded connection with a sealing cover (18), and a heat preservation cotton layer (19) is fixedly arranged on the outer wall of the water storage tank (9).

5. An electrically controlled reuse water apparatus for industrial wastewater treatment according to claim 1, characterized in that: filter equipment (5) comprises dead lever (501), processing case (502), grid plate (503), quartz sand filter (504), active carbon filter (505), ion exchange resin filter (506) and communicating pipe (507), dead lever (501) is provided with four, four the equal fixed connection of dead lever (501) is at the opposite side of base (1) up end, handle the top of case (502) fixed connection at dead lever (501), grid plate (503) fixed mounting is in the top of handling case (502) inside, quartz sand filter (504) are located the below of grid plate (503), active carbon filter (505) are located the below of quartz sand filter (504), ion exchange resin filter (506) are located the below of active carbon filter (505), and quartz sand filter (504), active carbon filter (505) and ion exchange resin filter (506) are all fixed mounting in handling case (502) And a communication pipe (507) fixedly connected to the lower part of the outer wall of one side of the treatment tank (502), wherein the communication pipe (507) is communicated with the inside of the treatment tank (502).

6. An electrically controlled reuse water apparatus for industrial wastewater treatment according to claim 5, characterized in that: a second mounting plate (20) is arranged between the processing box (502) and the control box (3), the second mounting plate (20) is fixedly connected with the base (1), a second water pump (21) is fixedly mounted above the second mounting plate (20), connecting pipes (22) are fixedly arranged on both sides of the second water pump (21), one end of each connecting pipe (22) on both sides of the second water pump (21) is fixedly connected with the outer wall of one side of the control box (3) and the outer wall above the treatment box (502) respectively, the control box (3), the processing box (502) and the connecting pipe (22) are communicated with each other, a motor seat (23) is fixedly arranged on one side of the upper end surface of the base (1), the motor base (23) is positioned at one side of the connecting plate (6), a motor (24) is fixedly arranged above the motor base (23), the output end of the motor (24) is fixedly connected with one end of the gear rod (7) on one side of the connecting plate (6) through a coupler.