CN113692196A

CN113692196A - Intelligent electric equipment controller

Info

Publication number: CN113692196A
Application number: CN202110970471.5A
Authority: CN
Inventors: 厉刚
Original assignee: Ningbo Xinghong Intelligent Technology Co ltd
Current assignee: Ningbo Xinghong Intelligent Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2021-11-23
Anticipated expiration: 2041-08-23
Also published as: CN113692196B

Abstract

The invention discloses an intelligent electrical equipment controller, which comprises a floor, a support component, a controller and an air blowing component, wherein the floor is arranged beside equipment in a factory area, the support component is arranged at one end of the floor, and the controller is fixed on the top of the supporting component, the air blowing component which generates gas by using a worker is arranged at the bottom of the floor, the invention adopts the mutual matching action of the air blowing component and the heat dissipation dust removal part in the supporting component, thereby being capable of utilizing pedestrians and carts passing through the factory equipment to step on the air blowing component so as to generate air pressure, leading the heat dissipation and dust removal part to be capable of moving for dust removal and spraying air for heat dissipation, through the mutual matching of the designed gas collection assembly and the limiting part, the gas can be slowly filled and quickly sprayed out, compared with the existing fan rotation heat dissipation, the probability that the outside air enters the heat dissipation shell can be greatly reduced.

Description

Intelligent electric equipment controller

Technical Field

The invention relates to the technical field of controllers, in particular to an intelligent electrical equipment controller.

Background

Electrical Equipment (Electrical Equipment) is a general term for Equipment such as generators, transformers, power lines, circuit breakers, etc. in an Electrical power system, and includes primary Equipment and secondary Equipment. The primary equipment is mainly equipment for directly generating, transmitting and consuming electric energy such as power generation, power transformation, power transmission, power distribution, power utilization and the like, for example, a generator, a transformer, an overhead line, a power distribution cabinet, a switch cabinet and the like. The secondary equipment is the equipment which plays the roles of control, protection, metering and the like. Secondary devices are located in buildings or in general buildings, such as cables, distribution cabinets, motors, switch sockets, lamps, air conditioners, electric water heaters, electricity meters, cameras, telephones, computers, etc.

The electric equipment has wide application in life and work, some equipment controllers in the market at present generally operate intelligent control equipment, parameters for manually controlling the operation of the equipment are matched with each other for use, at present, in a factory, part of electric controllers are arranged beside the equipment, so that the equipment is convenient for personnel to control the equipment, because the equipment in the factory is operated automatically, the equipment can operate for a long time only by inputting parameters to adjust during working, the personnel do not need to stay beside the controller for a long time, but because electric elements in the controller work continuously and more dust is generated in the factory, the electric controllers are easy to enter a controller shell, so that the problem of difficult heat dissipation of the controller body exists, a heat dissipation fan is usually arranged at the elements such as a processor and the like in the existing controller for dissipating heat, but the fan can generate certain heat and simultaneously along with the rotation of the fan, when gas is discharged, the intelligent electric equipment controller can also generate certain suction force, external dust is sucked into the controller shell to influence the normal use of other internal control elements, the number of times of checking by personnel is small, and therefore the production line is shut down after problems occur, and therefore the intelligent electric equipment controller is provided.

Disclosure of Invention

An object of the present invention is to provide an intelligent electrical device controller capable of dissipating heat while avoiding introduction of dust, so as to solve the problems presented in the above-mentioned background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligence electrical equipment controller, is including installing controller and the air blowing subassembly that floor, supporting component, equipment control that factory equipment was other used, the supporting component is installed in floor one end, and the controller is fixed at the supporting component top, and the recruitment produces gas the air blowing subassembly is installed in the floor bottom.

Preferably, the support assembly comprises a gas collection assembly and a support tube, the gas collection assembly is mounted on the floor, the top of the gas collection assembly is communicated with the support tube, a heat dissipation shell with a heat dissipation port is fixed to the top of the support tube, one end of the heat dissipation shell is fixed to the controller, a heat dissipation ash removal part used for heat dissipation of the controller is mounted in the heat dissipation shell, and the support assembly plays a role in supporting and communicating.

Preferably, the heat dissipation dust removing part comprises a Z-shaped plate arranged in a supporting pipe and a plurality of heat dissipation pipes fixed in a heat dissipation shell, the top end of the Z-shaped plate is inserted with an adjusting column in a sliding manner, the bottom end of the adjusting column is fixedly provided with a piston plate which is connected with the Z-shaped plate in a sliding manner and is in contact with the inner wall of the supporting pipe, the bottom of the adjusting column is sleeved with a return spring which is in contact with the piston plate and the bottom of the Z-shaped plate, the top end of the adjusting column is inserted into the heat dissipation shell in a sliding manner and is fixedly provided with an adjusting plate, limiting rods fixed with the inner wall of the heat dissipation shell are inserted at two ends of the adjusting plate in a sliding manner, dust removing plates in contact with heat dissipation ports in the heat dissipation shell are fixed at two ends of the adjusting plate, limiting parts are fixed at positions corresponding to the adjusting plate at the inner sides of the two ends of the heat dissipation shell, the plurality of heat dissipation pipes are communicated with each other, a first air bag arranged in the heat dissipation shell is communicated with the top of the supporting pipe, the adjusting plate is characterized in that two ends of the adjusting plate and the two outermost radiating pipes are fixed with mutually matched extrusion plates, the outer walls of the radiating pipes are provided with a plurality of radiating holes, and the radiating dust removing part can remove dust in the radiating shell and radiate air.

Preferably, the locating part includes the spliced pole fixed with the heat dissipation shell, the limiting plate has been cup jointed through the bearing rotation in the spliced pole outside, and slides in the limiting plate and peg graft and have the ring pole that uses the spliced pole as the centre of a circle, ring pole bottom is fixed with the connecting plate fixed with the heat dissipation shell inner wall, and ring pole outside cover has the spacing spring with connecting plate and limiting plate contact, limiting plate top and regulating plate outer end bottom all open the chamfer of mutually supporting, can carry out a spacingly to the regulating plate through the locating part.

Preferably, the gas collection subassembly includes the gas collection frame fixed with the floor and installs the second gasbag in the gas collection frame, second gasbag top and stay tube bottom intercommunication, and bottom and air-blowing subassembly intercommunication, the equal slip grafting in gas collection frame both ends has two prismatic poles, and prismatic pole inner is fixed with the push pedal with the contact of second gasbag, prismatic pole outside cover has extrusion spring, realizes the collection to gaseous through the gas collection subassembly.

Preferably, the air blowing assembly comprises a rectangular shell fixed to the bottom of the floor, the floor is provided with an adjusting opening corresponding to the rectangular shell, a speed-reducing belt is slidably mounted in the adjusting opening, an air blowing plate slidably connected to the inner wall of the rectangular shell is fixed to the bottom of the speed-reducing belt, a plurality of telescopic rods fixed to the inner wall of the bottom of the rectangular shell are fixed to the bottom of the air blowing plate, supporting springs are sleeved on the outer sides of the telescopic rods, an air inflation and air exchange piece is installed at the outer end of the rectangular shell, and air inflation is achieved through the air blowing assembly.

Preferably, aerify the piece of taking a breath includes the connecting pipe and fix the outlet duct in the rectangular shell outside with rectangular shell one end and second air bag intercommunication, all be fixed with the backup pad in connecting pipe and the outlet duct, and slide in the backup pad and peg graft and have the connecting rod, the connecting rod inner is fixed with the closing plate, and the other end is connected with the heavy object through the soft rope, connecting pipe and outlet duct inboard are fixed with spacing ring and sealing ring respectively, and it is the supply of realizing the interior gas of supporting tube to aerify the piece of taking a breath, is convenient for simultaneously from the external suction gas.

Preferably, the support pipe is internally provided with a slender air outlet hole, so that air can be slowly fed, and the adjustment column can be conveniently and slowly lifted.

Compared with the prior art, the invention has the beneficial effects that:

the heat dissipation dust removing component comprises a support component, an air blowing component, a gas collection component and a limiting component, wherein the air blowing component is arranged in the support component, the air blowing component is matched with the heat dissipation dust removing component, and the heat dissipation dust removing component is matched with the heat dissipation dust removing component.

Drawings

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

FIG. 2 is a schematic view of a partial cross-sectional structure of the air blowing assembly of the present invention;

FIG. 3 is a schematic view of a portion of a cross-sectional view of the inflatable air exchange member of the present invention;

FIG. 4 is a schematic view of the support assembly of the present invention connected to a controller;

FIG. 5 is a schematic view of a gas collection assembly in partial cross-section according to the present invention;

FIG. 6 is a side cross-sectional view of a portion of the support assembly of the present invention;

FIG. 7 is a schematic view of the connection of the piston plate and the Z-shaped plate of the present invention;

FIG. 8 is a schematic view of the connection between the heat dissipating housing and the ash removing member;

FIG. 9 is a schematic view of a heat dissipating and ash removing member according to the present invention;

FIG. 10 is an enlarged view taken at A in FIG. 9;

fig. 11 is an enlarged view of fig. 9 at B.

In the figure: 1-floor board; 2-a support assembly; 3-a controller; 4-an air blowing assembly; 5-a gas collection assembly; 6-supporting the tube; 7-a heat dissipation shell; 8-heat dissipation ash removal part; 9-Z template; 10-radiating pipes; 11-a conditioning column; 12-a piston plate; 13-a return spring; 14-adjusting plate; 15-a limiting rod; 16-a deashing board; 17-a limit stop; 18-a first air bladder bag; 19-a stripper plate; 20-heat dissipation holes; 21-connecting column; 22-a limiting plate; 23-a circular rod; 24-a connecting plate; 25-a limit spring; 26-a gas collecting frame; 27-a second airbag; 28-prismatic rod; 29-push plate; 30-a compression spring; 31-a rectangular shell; 32-an adjustment port; 33-a speed bump; 34-a gas blowing plate; 35-a telescopic rod; 36-a support spring; 37-a gas-filled air-exchange member; 38-connecting tube; 39-air outlet pipe; 40-a support plate; 41-a connecting rod; 42-a sealing plate; 43-weight; 44-a stop collar; 45-sealing ring; 46-air outlet hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.

Referring to fig. 1 to 11, an intelligent electrical equipment controller in the figure includes a floor 1 installed beside equipment in a plant area, a support component 2, a controller 3 for controlling the equipment, and an air blowing component 4, wherein the support component 2 is installed at one end of the floor 1, the controller 3 is fixed on the top of the support component 2, and the air blowing component 4 for producing air is installed at the bottom of the floor 1.

The support assembly 2 comprises a gas collection assembly 5 and a support tube 6, the gas collection assembly 5 is installed on the floor 1, the top of the gas collection assembly is communicated with the support tube 6, a heat dissipation shell 7 with a heat dissipation port is fixed to the top of the support tube 6, one end of the heat dissipation shell 7 is fixed to the controller 3, a heat dissipation dust removal part 8 used for dissipating heat of the controller 3 is installed in the heat dissipation shell 7, and a long and thin gas outlet 46 is formed in the support tube 6 in order to facilitate gas circulation.

Meanwhile, the heat dissipation dust removing part 8 comprises a Z-shaped plate 9 arranged in a support pipe 6 and a plurality of heat dissipation pipes 10 fixed in a heat dissipation shell 7, the top end of the Z-shaped plate 9 is inserted with an adjusting column 11 in a sliding manner, the bottom end of the adjusting column 11 is fixed with a piston plate 12 which is connected with the Z-shaped plate 9 in a sliding manner and is contacted with the inner wall of the support pipe 6, the bottom of the adjusting column 11 is sleeved with a return spring 13 which is contacted with the piston plate 12 and the bottom of the Z-shaped plate 9, the return spring 13 provides an elastic force so as to reset the adjusting column 11 under the condition of not receiving air pressure, the top end of the adjusting column 11 is inserted into the heat dissipation shell 7 in a sliding manner and is fixed with an adjusting plate 14, the two ends of the adjusting plate 14 are inserted with a limiting rod 15 which is fixed with the inner wall of the heat dissipation shell 7 in a sliding manner, the two ends of the adjusting plate 14 are both fixed with dust removing plates 16 which are contacted with the heat dissipation port in the heat dissipation shell 7, so as to drive the dust removing plate 16 to remove the dust attached to the vicinity of the heat dissipation port, a limiting piece 17 is fixed on the inner side of two ends of the radiating shell 7 at the position corresponding to the adjusting plate 14, the plurality of radiating pipes 10 are communicated with each other, the two outermost radiating pipes 10 are communicated with a first air bag 18 installed in the radiating shell 7 through hoses, the first air bag 18 is communicated with the top of the supporting pipe 6, the two ends of the adjusting plate 14 and the two outermost radiating pipes 10 are fixed with mutually matched extrusion plates 19, the outer walls of the plurality of radiating pipes 10 are provided with a plurality of radiating holes 20, the first air bag 18 is extruded by downward movement of the adjusting plate 14, so that the gas in the plurality of radiating pipes 10 is filled, the radiating holes 20 spray gas, and the electric elements in the controller 3 are subjected to air blowing and radiating;

wherein, locating part 17 includes the spliced pole 21 fixed with heat dissipation shell 7, limiting plate 22 has been cup jointed through the bearing rotation in the spliced pole 21 outside, and slides in the limiting plate 22 and peg graft and have the ring pole 23 that uses spliced pole 21 as the centre of a circle, ring pole 23 bottom mounting has with the fixed connecting plate 24 of 7 inner walls of heat dissipation shell, and ring pole 23 outside cover has the spacing spring 25 with connecting plate 24 and the contact of limiting plate 22, limiting plate 22 top and the 14 outer end bottoms of regulating plate all open the chamfer of mutually supporting, offset with regulating plate 14 through limiting plate 22 to the realization is to regulating plate 14's spacing processing.

Principle of limiting the adjustment plate 14: when the piston plate 12 receives the atmospheric pressure to rise, drive regulation post 11 and regulating plate 14 and rise, utilize regulating plate 14 to clean the thermovent, 14 chamfer ends and limiting plate 22 chamfer end contacts at regulating plate simultaneously, and finally the joint that offsets, still receive the effect that bottom atmospheric pressure blown and the spacing spring 25 outside ring rod 23 promoted at piston plate 12 this moment, thereby make limiting plate 22 carry out spacing processing to regulating plate 14, when atmospheric pressure disappears, at the reset spring 13 effect of the 11 outer ends of regulation post, can drive regulating plate 14 and remove downwards by force, make limiting plate 22 orbit along ring rod 23, thereby no longer spacing.

In addition, the gas collecting assembly 5 comprises a gas collecting frame 26 fixed with the floor 1 and a second air bag 27 arranged in the gas collecting frame 26, the top of the second air bag 27 is communicated with the bottom of the support tube 6, the bottom of the second air bag 27 is communicated with the air blowing assembly 4, two prismatic rods 28 are inserted at two ends of the gas collecting frame 26 in a sliding manner, a push plate 29 in contact with the second air bag 27 is fixed at the inner ends of the prismatic rods 28, and an extrusion spring 30 is sleeved on the outer sides of the prismatic rods 28;

principle of slow air intake: when being stepped on and pressed the air inflation subassembly 4 by external personnel or shallow, can at first discharge the gas into second gasbag 27, then discharge gas through stay tube 6, when no follow-up gas fills after gas is discharged, receive the effect of extrusion spring 30 this moment, can drive push pedal 29 extrusion second gasbag 27 to continue supplementing the gas of second gasbag 27 to stay tube 6 in, realize slowly admitting air.

In addition, the air blowing assembly 4 comprises a rectangular shell 31 fixed to the bottom of the floor 1, the rectangular shell 31 is a shell with a sealed outer wall, an adjusting opening 32 is formed in the position, corresponding to the rectangular shell 31, of the floor 1, a speed reducing belt 33 is slidably mounted in the adjusting opening 32, an air blowing plate 34 in sliding connection with the inner wall of the rectangular shell 31 is fixed to the bottom of the speed reducing belt 33, a plurality of telescopic rods 35 fixed to the inner wall of the bottom of the rectangular shell 31 are fixed to the bottom of the air blowing plate 34, supporting springs 36 are sleeved on the outer sides of the plurality of telescopic rods 35, an air inflation and air exchange piece 37 is mounted at the outer end of the rectangular shell 31, the speed reducing belt 33 can play a role in reducing speed in a plant area, and meanwhile can accept treading on extrusion air blowing;

the inflation and ventilation piece 37 comprises a connecting pipe 38 communicated with one end of the rectangular shell 31 and the second air bag 27 and an air outlet pipe 39 fixed on the outer side of the rectangular shell 31, supporting plates 40 are fixed in the connecting pipe 38 and the air outlet pipe 39 respectively, connecting rods 41 are inserted in the supporting plates 40 in a sliding mode, sealing plates 42 are fixed at the inner ends of the connecting rods 41, the other ends of the connecting rods are connected with weights 43 through soft ropes, limiting rings 44 and sealing rings 45 are fixed on the inner sides of the connecting pipe 38 and the air outlet pipe 39 respectively, and the air in the rectangular shell 31 is discharged and supplemented through the inflation and ventilation piece 37.

Principle of inflating the support tube 6: when a person walks or pushes the trolley to run to the deceleration strip 33 in a factory, the person can step on the deceleration strip, the two sealing plates 42 can move outwards by moving the air blowing plate 34 in the rectangular shell 31, the sealing plates 42 in the connecting pipe 38 can be separated from the limiting ring 44 at the moment, and the sealing plates 42 in the air outlet pipe 39 are in contact with the sealing ring 45, so that the air can only be injected into the second air bag 27 in the air collecting frame 26 from the connecting pipe 38;

after the stepping and pressing are finished, the supporting spring 36 pushes the air blowing plate 34 to move upwards in a resetting way, at the moment, under the action of the weight 43, the two sealing plates 42 can move inwards, at the moment, the sealing plate 42 in the connecting pipe 38 can be in contact with the limiting ring 44, and the sealing plate 42 in the air outlet pipe 39 is separated from the sealing ring 45, so that air is filled into the rectangular shell 31 from the outside, and the next injection of air is facilitated.

In the scheme, the air blowing component 4 can be designed on a road where vehicles or people must pass by changing the position of the air blowing component, so that heat dissipation and soot blowing can be more frequent.

In the scheme, after the air blowing assembly 4 is filled with air, the air firstly enters the air collecting assembly 5, then the adjusting plate 14 is driven to wipe through the movement of the piston plate 12, then the air is filled into the first air bag 18, after the air filling is stopped, the first air bag 18 is extruded through the downward movement of the adjusting plate 14, and the air blowing and heat dissipation are carried out on the electric elements in the controller 3 through the plurality of heat dissipation pipes 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intelligent electrical device controller, comprising:

a floor (1) installed beside plant equipment;

the device comprises a supporting component (2) and a controller (3) for controlling equipment, wherein the supporting component (2) is installed at one end of a floor (1), and the controller (3) is fixed at the top of the supporting component (2);

the air blowing component (4) is used for generating air by using workers, and the air blowing component (4) is arranged at the bottom of the floor (1).

2. An intelligent electrical device controller as claimed in claim 1, wherein: the support assembly (2) comprises a gas collection assembly (5) and a support pipe (6), the gas collection assembly (5) is installed on the floor (1), the top of the gas collection assembly is communicated with the support pipe (6), a heat dissipation shell (7) with a heat dissipation port is fixed to the top of the support pipe (6), one end of the heat dissipation shell (7) is fixed to the controller (3), and a heat dissipation dust removal part (8) used for heat dissipation of the controller (3) is installed in the heat dissipation shell (7).

3. An intelligent electrical device controller as claimed in claim 2, wherein: the heat dissipation dust removing part (8) comprises a Z-shaped plate (9) arranged in a supporting pipe (6) and a plurality of heat dissipation pipes (10) fixed in a heat dissipation shell (7), an adjusting column (11) is inserted at the top end of the Z-shaped plate (9) in a sliding manner, a piston plate (12) which is connected with the Z-shaped plate (9) in a sliding manner and is in contact with the inner wall of the supporting pipe (6) is fixed at the bottom end of the adjusting column (11), a reset spring (13) which is in contact with the piston plate (12) and the bottom of the Z-shaped plate (9) is sleeved at the bottom of the adjusting column (11), a heat dissipation shell (7) is inserted at the top end of the adjusting column (11) in a sliding manner and is fixed with an adjusting plate (14), limiting rods (15) which are fixed with the inner wall of the heat dissipation shell (7) are inserted at the two ends of the adjusting plate (14) in a sliding manner, dust removing plates (16) which are in contact with heat dissipation openings in the heat dissipation shell (7) are fixed at the two ends of the adjusting plate (14), and limiting parts (17) corresponding to the positions of the inner sides of the adjusting plate (7) are fixed, a plurality of mutually communicate between cooling tube (10), and two cooling tube (10) of outermost end have through hose intercommunication install in heat dissipation shell (7) first air pocket (18), first air pocket (18) and stay tube (6) top intercommunication, regulating plate (14) both ends are fixed with the stripper plate (19) of mutually supporting with two cooling tube (10) of outermost end, and a plurality of louvres (20) have been opened to a plurality of cooling tube (10) outer wall.

4. A smart electrical device controller as claimed in claim 3, wherein: locating part (17) include with fixed spliced pole (21) of heat dissipation shell (7), limiting plate (22) have been cup jointed through the bearing rotation in spliced pole (21) outside, and slide in limiting plate (22) and peg graft and have ring pole (23) with spliced pole (21) as the centre of a circle, ring pole (23) bottom mounting have with heat dissipation shell (7) inner wall fixed connecting plate (24), and ring pole (23) outside cover have with connecting plate (24) and limiting spring (25) of limiting plate (22) contact, limiting plate (22) top and regulating plate (14) outer end bottom all open the chamfer of mutually supporting.

5. An intelligent electrical device controller as claimed in claim 4, wherein: gas collection subassembly (5) include with floor (1) fixed gas collection frame (26) and install second air bag (27) in gas collection frame (26), second air bag (27) top and stay tube (6) bottom intercommunication, and bottom and air-blowing subassembly (4) intercommunication, gas collection frame (26) both ends are all slided and are pegged graft there are two prismatic poles (28), and prismatic pole (28) inner be fixed with push pedal (29) with second air bag (27) contact, prismatic pole (28) outside cover has extrusion spring (30).

6. An intelligent electrical device controller as claimed in claim 5, wherein: air-blowing subassembly (4) include with fixed rectangular shell (31) in floor (1) bottom, floor (1) corresponds rectangular shell (31) department and opens there is regulation mouth (32), and adjusts mouth (32) slidable mounting has deceleration strip (33), deceleration strip (33) bottom is fixed with air-blowing board (34) with rectangular shell (31) inner wall sliding connection, and air-blowing board (34) bottom is fixed with a plurality of fixed telescopic link (35) with rectangular shell (31) bottom inner wall, and a plurality of telescopic link (35) outside cover has supporting spring (36), aerify piece of changing gas (37) is installed to rectangular shell (31) outer end.

7. An intelligent electrical device controller as claimed in claim 6, wherein: aerify and trade gas spare (37) include connecting pipe (38) with rectangle shell (31) one end and second air bag (27) intercommunication and fix outlet duct (39) in rectangle shell (31) outside, all be fixed with backup pad (40) in connecting pipe (38) and outlet duct (39), and it has connecting rod (41) to slide in backup pad (40) and peg graft, connecting rod (41) the inner is fixed with closing plate (42), and the other end is connected with heavy object (43) through the rope, connecting pipe (38) and outlet duct (39) inboard are fixed with spacing ring (44) and sealing ring (45) respectively.

8. An intelligent electrical device controller as claimed in claim 7, wherein: and a slender air outlet hole (46) is formed in the supporting tube (6).