CN112416089A

CN112416089A - Big data computer network safety device

Info

Publication number: CN112416089A
Application number: CN202011389889.9A
Authority: CN
Inventors: 李智杰; 潘志淇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-02-26

Abstract

The invention discloses a big data computer network safety protection device which comprises a heat dissipation box, a box body supporting plate and a protection box, wherein a heat dissipation groove is formed above the heat dissipation box, a first heat dissipation motor is fixedly connected to the inner bottom surface of the heat dissipation groove, a connecting block is fixedly connected to one side of the heat dissipation box, an installation block is fixedly connected to one side of the connecting block, a fixing hole is formed in one side of the installation block, a threaded rotating rod is inserted into the fixing hole, and a driven bevel gear is sleeved on the outer surface of the threaded rotating rod. This big data computer network safety device, through the setting of protective housing, make this big data computer network safety device possess the effect of protection computer, through the cooperation setting of first heat dissipation motor, first heat dissipation flabellum, second heat dissipation motor, second heat dissipation flabellum, fire hose, fire control pipe and mounting bar, can cool down and timely putting out a fire to the computer of inside at the in-process that uses to the purpose of safe handling has been reached.

Description

Big data computer network safety device

Technical Field

The invention relates to the technical field of network security, in particular to a big data computer network security protection device.

Background

Big data, which refers to a data set that cannot be captured, managed and processed by a conventional software tool within a certain time range, is a massive, high-growth-rate and diversified information asset that needs a new processing mode to have stronger decision-making power, insight discovery power and process optimization capability. The existing society is a society with high-speed development, developed science and technology and information circulation, people communicate with each other more and more closely, the life is more and more convenient, and big data is a product of the high-tech era. Somebody has compared data to coal mines where energy is stored. The coal is classified according to properties such as coking coal, anthracite, fat coal, lean coal and the like, and the excavation cost of open pit coal mines and deep mountain coal mines is different. Similarly, big data is not "big" but "useful". The value content and the excavation cost are more important than the quantity. For many industries, how to utilize these large-scale data is a key to gain competition.

The network safety protection aiming at the big data computer does not have a good coping method at present, if the big data computer is damaged under the state without protection, inestimable loss is caused to an enterprise or a system, generally, the computer is exposed to the outside when in use, and devices for protecting the computer are not arranged, when the computer is impacted by external force, larger vibration can be generated, the internal parts of the computer can be damaged, even if a shell is simply added outside the computer, the computer is inconvenient to maintain and radiate, heat can be emitted by equipment in the working process, if the equipment is not processed in time, the temperature inside the equipment is overhigh, uncontrollable disasters such as fire disasters and the like can be easily generated, huge damage is caused to the network safety of the big data computer, and the safe use of the equipment is influenced

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a large-data computer network safety protection device which has the advantages of protecting a computer device, dissipating heat, extinguishing fire, facilitating maintenance of a computer and the like, and solves the problems that when the device is impacted by external force, internal parts of the computer are damaged, the temperature inside the device is overhigh during the working process, a fire disaster is easy to happen, and the computer is inconvenient to maintain.

(II) technical scheme

In order to achieve the purposes of protecting the computer device, dissipating heat, extinguishing fire and facilitating the maintenance of the computer, the invention provides the following technical scheme: a big data computer network safety protection device comprises a heat dissipation box, a box body supporting plate and a protection box, wherein a heat dissipation groove is formed above the heat dissipation box, a first heat dissipation motor is fixedly connected to the inner bottom surface of the heat dissipation groove, a connecting block is fixedly connected to one side of the heat dissipation box, an installation block is fixedly connected to one side of the connecting block, a fixing hole is formed in one side of the installation block, a threaded rotating rod is inserted into the fixing hole, a driven bevel gear is sleeved on the outer surface of the threaded rotating rod, a driving motor is fixedly connected to one side of the heat dissipation box, a sliding block is sleeved on the outer surface of the threaded rotating rod and comprises a first sliding block and a second sliding block, a protection through hole is formed in the lower surface of the protection box, one side of the protection through hole is slidably connected with the outer surface of the heat dissipation box, an air inlet hole is formed, the vent has been seted up to one side of protective housing, and one side fixedly connected with second heat dissipation protection network of vent, the top of protective housing is rotated and is connected with the baffle, and the lower fixed surface of baffle is connected with the stopper, the lower fixed surface of baffle is connected with the stretch cord, the one end of stretch cord and the inside wall fixed connection of protective housing, the last fixed surface of heat dissipation case is connected with the bottom plate, and the last fixed surface of bottom plate is connected with the fixed plate, and one side sliding connection of fixed plate has fixed slider, one side fixedly connected with movable plate of fixed slider.

Preferably, the output end of the first heat dissipation motor is rotatably connected with a first heat dissipation fan blade, one side of the heat dissipation box is provided with a vent, and one side of the vent is fixedly connected with a first heat dissipation protective net.

Preferably, the number of the driving motors is two, the driving motors are symmetrically arranged on two sides of the heat dissipation box, the output ends of the driving motors are rotatably connected with driving bevel gears, and one sides of the driving bevel gears are meshed with one sides of the driven bevel gears.

Preferably, the top of first sliding block is rotated and is connected with first bracing piece, the top of second sliding block is rotated and is connected with the second bracing piece, one side of first bracing piece and one side of second bracing piece are rotated and are connected, the top of first bracing piece and the lower surface sliding connection of box layer board, the lower surface of box layer board and the one end sliding connection of second bracing piece.

Preferably, the upper surface of the box body supporting plate is provided with a through hole, the inner side wall of the through hole is in sliding connection with the outer surface of the heat dissipation box, the upper surface of the box body supporting plate is fixedly connected with a damping spring, and the upper end of the damping spring is fixedly connected with the lower surface of the protection box.

Preferably, the slotted hole has been seted up to the top of motor install bin, the inside wall fixedly connected with slider of motor install bin, one side sliding connection of slider has the mounting panel, and one side fixedly connected with second heat dissipation motor of mounting panel, the output of second heat dissipation motor rotate and are connected with second heat dissipation flabellum, the sliding hole has been seted up to one side of motor install bin, and one side sliding connection of sliding hole has the operation piece, one side of operation piece and one side fixed connection of mounting panel, the through-hole has been seted up to one side of motor install bin, and one side fixedly connected with ventilation net of through-hole.

Preferably, the connecting hole has been seted up to the upper surface of baffle, one side fixedly connected with fire hose of protective housing, the top fixedly connected with fire hose of fire hose, the lower fixed surface of baffle is connected with the mounting bar, and the lower fixed surface of mounting bar is connected with the shower nozzle, the upper surface of mounting bar and the one end fixed connection of fire hose.

Preferably, the bottom plate includes first bottom plate, shockproof board and places the board, the last fixed surface of first bottom plate is connected with shockproof board, and the board is placed to the top fixedly connected with of shockproof board, and the upper surface of placing the board rotates and is connected with spacing section of thick bamboo, and the spacing groove has been seted up to one side of spacing section of thick bamboo, the inside of spacing groove and one side sliding connection of stopper.

Preferably, the shifting chute has been seted up to one side of movable plate, and the inside sliding connection of shifting chute has the diaphragm, and the vent has been seted up to the upper surface of diaphragm, one side fixedly connected with protection network of vent, the tooth's socket has been seted up to the lower surface of diaphragm, the spacing box of lower fixed surface of movable plate, the spacing spring of interior diapire fixedly connected with of spacing box, the top fixedly connected with spring stopper of spacing spring, the spacing bolt of one side fixedly connected with of spring stopper, the inside butt of the one end of spacing bolt and tooth's socket, the top fixedly connected with splint of fixed slider.

(III) advantageous effects

Compared with the prior art, the invention provides a big data computer network safety protection device, which has the following beneficial effects:

1. this big data computer network safety device, through the setting of protective housing, make this big data computer network safety device possess the effect of protection computer, through the cooperation setting of first heat dissipation motor, first heat dissipation flabellum, second heat dissipation motor, second heat dissipation flabellum, fire hose, fire control pipe and mounting bar, can cool down and timely putting out a fire to the computer of inside at the in-process that uses to the purpose of safe handling has been reached.

2. This big data computer network safety device, setting through driving motor makes this big data computer network safety device possess the effect of being convenient for maintain, through driving motor, the screw bull stick, driven bevel gear, first sliding block, the second sliding block, first bracing piece, the second bracing piece, the box layer board, the guard box, the baffle is opened automatically when the guard box descends to the in-process that uses, thereby reached the purpose of convenient to use.

Drawings

FIG. 1 is a schematic perspective view of a structure according to the present invention;

FIG. 2 is a schematic cross-sectional side view of a structure proposed by the present invention;

FIG. 3 is a schematic perspective view of a protective box according to the present invention;

FIG. 4 is a schematic perspective view of a baffle according to the present invention;

fig. 5 is a schematic perspective view of a fixing plate according to the present invention;

fig. 6 is a schematic cross-sectional side view of a fixing plate according to the present invention.

In the figure: 1. a heat dissipation box; 2. a first heat dissipation motor; 3. a first heat dissipation fan blade; 4. a first heat dissipation protective net; 5. mounting blocks; 6. a threaded rotating rod; 7. a driven bevel gear; 8. a drive motor; 10. a first slider; 11. a second slider; 12. a first support bar; 13. a second support bar; 14. a box body supporting plate; 15. a damping spring; 16. a protective box; 17. a motor installation box; 18. mounting a plate; 19. a second heat dissipation motor; 20. a second heat dissipation fan blade; 21. an operation block; 22. a second heat dissipation protective net; 23. a baffle plate; 24. a fire box; 25. a fire hose; 26. mounting a bar; 27. a limiting block; 28. an elastic cord; 29. a first base plate; 30. placing the plate; 31. a limiting cylinder; 32. a fixing plate; 33. fixing the sliding block; 34. moving the plate; 35. a transverse plate; 36. a limiting box; 37. a limiting spring; 38. a limiting bolt; 39. and (4) clamping the plate.

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. 1-6, a big data computer network safety protection device comprises a heat dissipation box 1, a box body supporting plate 14 and a protection box 16, wherein a heat dissipation groove is arranged above the heat dissipation box 1, a first heat dissipation motor 2 is fixedly connected to the inner bottom surface of the heat dissipation groove, the output end of the first heat dissipation motor 2 is rotatably connected with a first heat dissipation fan blade 3, one side of the heat dissipation box 1 is provided with a ventilation opening, one side of the ventilation opening is fixedly connected with a first heat dissipation protective screen 4, one side of the heat dissipation box 1 is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with an installation block 5, one side of the installation block 5 is provided with a fixing hole, a threaded rotating rod 6 is inserted into the fixing hole, the outer surface of the threaded rotating rod 6 is sleeved with a driven bevel gear 7, one side of the heat dissipation box 1 is fixedly connected with two driving motors 8, and, the output end of the driving motor 8 is rotatably connected with a driving bevel gear, one side of the driving bevel gear is meshed with one side of the driven bevel gear 7, the outer surface of the threaded rotating rod 6 is sleeved with a sliding block, the sliding block comprises a first sliding block 10 and a second sliding block 11, a first supporting rod 12 is rotatably connected above the first sliding block 10, a second supporting rod 13 is rotatably connected above the second sliding block 11, one side of the first supporting rod 12 is rotatably connected with one side of the second supporting rod 13, the upper side of the first supporting rod 12 is slidably connected with the lower surface of a box body supporting plate 14, the lower surface of the box body supporting plate 14 is slidably connected with one end of the second supporting rod 13, the upper surface of the box body supporting plate 14 is provided with a through hole, the inner side wall of the through hole is slidably connected with the outer surface of the radiating box 1, the upper surface of the box body supporting plate 14 is fixedly connected with a, the lower surface of the protective box 16 is provided with a protective through hole, one side of the protective through hole is connected with the outer surface of the heat dissipation box 1 in a sliding manner, one side of the protective box 16 is provided with an air inlet hole, one side of the air inlet hole is fixedly connected with a motor installation box 17, a slotted hole is arranged above the motor installation box 17, the inner side wall of the motor installation box 17 is fixedly connected with a sliding block, one side of the sliding block is connected with an installation plate 18 in a sliding manner, one side of the installation plate 18 is fixedly connected with a second heat dissipation motor 19, the output end of the second heat dissipation motor 19 is rotatably connected with a second heat dissipation fan blade 20, one side of the motor installation box 17 is provided with a sliding hole, one side of the sliding hole is connected with an operation block 21 in a sliding manner, one side of the operation block 21 is fixedly connected with one side of the installation plate 18, one side of the, the upper part of the protective box 16 is rotatably connected with a baffle 23, the upper surface of the baffle 23 is provided with a connecting hole, one side of the protective box 16 is fixedly connected with a fire-fighting box 24, the upper part of the fire-fighting box 24 is fixedly connected with a fire-fighting pipe 25, the lower surface of the baffle 23 is fixedly connected with a mounting bar 26, the lower surface of the mounting bar 26 is fixedly connected with a spray head, the upper surface of the mounting bar 26 is fixedly connected with one end of the fire-fighting pipe 25, and the arrangement of the protective box 16 enables the big data computer network safety protection device to have the effect of protecting a computer, and through the matching arrangement of the first heat dissipation motor 2, the first heat dissipation fan blade 3, the second heat dissipation motor 19, the second heat dissipation fan blade 20, the fire-fighting box 24, the fire-fighting pipe 25 and the mounting bar 26, the internal computer can be cooled and put out a fire in time in the use process, so, the lower fixed surface of baffle 23 is connected with stretch cord 28, the one end of stretch cord 28 and the inside wall fixed connection of protective housing 16, the last fixed surface of heat dissipation case 1 is connected with the bottom plate, the bottom plate includes first bottom plate 29, shockproof board and places board 30, the last fixed surface of first bottom plate 29 is connected with shockproof board, the top fixed connection of shockproof board places board 30, the last rotate surface that places board 30 is connected with spacing section of thick bamboo 31, spacing groove has been seted up to one side of spacing section of thick bamboo 31, the inside of spacing groove and one side sliding connection of stopper 27, through the setting of driving motor 8, make this big data computer network safety device have the effect of being convenient for maintain, through driving motor 8, screw bull stick 6, driven bevel gear 7, first sliding block 10, second sliding block 11, first bracing piece 12, second bracing piece 13, layer board 14, protective housing 16, The baffle 23, the limiting block 27 and the limiting barrel 31 are arranged in a matching way, the baffle 23 can be automatically opened when the protective box 16 descends in the using process, so that the purpose of convenient use is achieved, the upper surface of the bottom plate is fixedly connected with a fixed plate 32, one side of the fixed plate 32 is connected with a fixed slide block 33 in a sliding way, one side of the fixed slide block 33 is fixedly connected with a movable plate 34, one side of the movable plate 34 is provided with a movable groove, the inner part of the movable groove is connected with a transverse plate 35 in a sliding way, the upper surface of the transverse plate 35 is provided with a ventilation opening, one side of the ventilation opening is fixedly connected with a protective net, the lower surface of the transverse plate 35 is provided with a tooth space, the lower surface of the movable plate 34 is fixedly connected with a limiting box 36, the inner bottom wall, one end of the limit bolt 38 is abutted against the inside of the tooth groove, and a clamp plate 39 is fixedly connected above the fixed slide block 33.

When the computer is used, the computer is placed on the upper surface of the transverse plate 35, the computer is pressed downwards to drive the transverse plate 35 to move downwards, the transverse plate 35 drives the fixed slide block 33 to slide downwards, the fixed slide block 33 slides on the inclined surface on one side of the fixed plate 32, so that the fixed slide block 33 moves towards the middle part while sliding downwards, when the movable plate 34 moves towards the middle part, one side of the movable plate 34 moves towards the middle part of the transverse plate 35, the inner side wall of the movable groove formed on one side of the movable plate 34 slides on the outer surface of the transverse plate 35, so that the movable plate 34 and the clamping plate 39 are driven to move towards the middle part to clamp and fix the computer device, when the movable plate moves, the limiting spring 37 drives the limiting bolt 38 to abut against the tooth grooves on the lower surface of the transverse plate 35 upwards to fix the computer device, when the computer works, electronic components in the movable plate can emit heat to influence the normal work of the, when the fire breaks out, dry powder in the fire fighting box 24 reaches the inside of the mounting bar 26 through the fire fighting pipe 25 and extinguishes the fire through spraying of the spray heads, extinguishes the fire in the protection box 16 to prevent the fire from further increasing, when maintenance is needed, the driving motor 8 is started, the driving motor 8 drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear 7 to rotate, the driven bevel gear 7 drives the threaded rotating rod 6 to rotate, so as to drive the first sliding block 10 and the second sliding block 11 to move towards two sides, the first sliding block 10 and the second sliding block 11 drive the first supporting rod 12 and the second supporting rod 13 to rotate, the upper ends of the first supporting rod 12 and the second supporting rod 13 slide on the lower surface of the box body supporting plate 14, therefore, the box body supporting plate 14 descends, the box body supporting plate 14 drives the protective box 16 to descend, and the limiting block 27 slides downwards on the inner side wall of the limiting cylinder 31 when descending, so that the baffle plate 23 rotates upwards, the baffle plate 23 is automatically opened, and maintenance is facilitated.

In summary, the big data computer network safety protection device has the effect of protecting a computer by the arrangement of the protection box 16, and can cool and timely extinguish fire of the computer inside by the matching arrangement of the first heat dissipation motor 2, the first heat dissipation fan blade 3, the second heat dissipation motor 19, the second heat dissipation fan blade 20, the fire box 24, the fire tube 25 and the installation strip 26 in the using process, thereby achieving the purpose of safe use, and the big data computer network safety protection device has the effect of convenient maintenance by the arrangement of the driving motor 8, and has the advantages of convenient maintenance by the driving motor 8, the threaded rotating rod 6, the driven bevel gear 7, the first sliding block 10, the second sliding block 11, the first supporting rod 12, the second supporting rod 13, the box body supporting plate 14, The protective box 16, the baffle 23, the limiting block 27 and the limiting cylinder 31 are matched, so that the baffle 23 can be automatically opened when the protective box 16 falls down in the using process, and the purpose of convenient use is achieved.

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. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a big data computer network safety device, includes heat dissipation case (1), box layer board (14) and protective housing (16), its characterized in that: the heat dissipation device is characterized in that a heat dissipation groove is formed above the heat dissipation box (1), a first heat dissipation motor (2) is fixedly connected to the inner bottom surface of the heat dissipation groove, a connecting block is fixedly connected to one side of the heat dissipation box (1), an installation block (5) is fixedly connected to one side of the connecting block, a fixing hole is formed in one side of the installation block (5), a threaded rotating rod (6) is inserted into the fixing hole, a driven bevel gear (7) is sleeved on the outer surface of the threaded rotating rod (6), a driving motor (8) is fixedly connected to one side of the heat dissipation box (1), a sliding block is sleeved on the outer surface of the threaded rotating rod (6) and comprises a first sliding block (10) and a second sliding block (11), a protection through hole is formed in the lower surface of the protection box (16), one side of the protection through hole is slidably connected with the outer surface of the heat dissipation box (, one side fixedly connected with motor install bin (17) of fresh air inlet, the vent has been seted up to one side of guard box (16), one side fixedly connected with second heat dissipation protection network (22) of vent, the top of guard box (16) is rotated and is connected with baffle (23), and the lower fixed surface of baffle (23) is connected with stopper (27), the lower fixed surface of baffle (23) is connected with stretch cord (28), the one end of stretch cord (28) and the inside wall fixed connection of guard box (16), the last fixed surface of heat dissipation case (1) is connected with the bottom plate, and the last fixed surface of bottom plate is connected with fixed plate (32), and one side sliding connection of fixed plate (32) has solid fixed slide (33), one side fixedly connected with movable plate (34) of solid fixed slide (33).

2. The big data computer network security guard of claim 1, wherein: the output end of the first heat dissipation motor (2) is rotatably connected with a first heat dissipation fan blade (3), one side of the heat dissipation box (1) is provided with a vent, and one side of the vent is fixedly connected with a first heat dissipation protective screen (4).

3. The big data computer network security guard of claim 1, wherein: the number of the driving motors (8) is two, the driving motors are symmetrically arranged on two sides of the heat dissipation box (1), the output ends of the driving motors (8) are rotatably connected with driving bevel gears, and one sides of the driving bevel gears are meshed with one sides of the driven bevel gears (7).

4. The big data computer network security guard of claim 1, wherein: the top of first sliding block (10) is rotated and is connected with first bracing piece (12), the top of second sliding block (11) is rotated and is connected with second bracing piece (13), one side of first bracing piece (12) and one side of second bracing piece (13) are rotated and are connected, the top of first bracing piece (12) and the lower surface sliding connection of box layer board (14), the lower surface of box layer board (14) and the one end sliding connection of second bracing piece (13).

5. The big data computer network security guard of claim 1, wherein: the upper surface of box layer board (14) has seted up the through-hole, the inside wall of through-hole and the surface sliding connection of radiating box (1), the last fixed surface of box layer board (14) is connected with damping spring (15), and the upper end of damping spring (15) is connected with the lower fixed surface of guard box (16).

6. The big data computer network security guard of claim 1, wherein: slotted hole has been seted up to the top of motor install bin (17), the inside wall fixedly connected with slider of motor install bin (17), one side sliding connection of slider has mounting panel (18), and one side fixedly connected with second heat dissipation motor (19) of mounting panel (18), the output of second heat dissipation motor (19) rotate and are connected with second heat dissipation flabellum (20), the slip hole has been seted up to one side of motor install bin (17), and one side sliding connection of slip hole has operation piece (21), one side of operation piece (21) and one side fixed connection of mounting panel (18), the through-hole has been seted up to one side of motor install bin (17), one side fixedly connected with ventilation net of through-hole.

7. The big data computer network security guard of claim 1, wherein: the connecting hole has been seted up to the upper surface of baffle (23), one side fixedly connected with fire hose (24) of protective housing (16), the top fixedly connected with fire hose (25) of fire hose (24), the lower fixed surface of baffle (23) is connected with mounting bar (26), the lower fixed surface of mounting bar (26) is connected with the shower nozzle, the upper surface of mounting bar (26) and the one end fixed connection of fire hose (25).

8. The big data computer network security guard of claim 1, wherein: the bottom plate includes first bottom plate (29), takes precautions against earthquakes board and places board (30), the last fixed surface of first bottom plate (29) is connected with the board that takes precautions against earthquakes, and the board (30) are placed to the top fixedly connected with of board that takes precautions against earthquakes, and the upper surface of placing board (30) rotates and is connected with spacing section of thick bamboo (31), and the spacing groove has been seted up to one side of spacing section of thick bamboo (31), the inside of spacing groove and one side sliding connection of stopper (27).

9. The big data computer network security guard of claim 1, wherein: the shifting chute has been seted up to one side of movable plate (34), and the inside sliding connection of shifting chute has diaphragm (35), and the vent has been seted up to the upper surface of diaphragm (35), one side fixedly connected with protection network of vent, the tooth's socket has been seted up to the lower surface of diaphragm (35), the lower fixed surface of movable plate (34) is connected with spacing box (36), and the interior diapire fixedly connected with spacing spring (37) of spacing box (36), the top fixedly connected with spring stopper of spacing spring (37), one side fixedly connected with spacing bolt (38) of spring stopper, the one end of spacing bolt (38) and the inside butt of tooth's socket, the top fixedly connected with splint (39) of solid fixed sliding block (33).