CN117141549A - Ventilator cover with waterproof ventilation function and point switch - Google Patents
Ventilator cover with waterproof ventilation function and point switch Download PDFInfo
- Publication number
- CN117141549A CN117141549A CN202311256291.6A CN202311256291A CN117141549A CN 117141549 A CN117141549 A CN 117141549A CN 202311256291 A CN202311256291 A CN 202311256291A CN 117141549 A CN117141549 A CN 117141549A
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- Prior art keywords
- cover
- cover plate
- hole
- ventilation
- waterproof
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- 238000009423 ventilation Methods 0.000 title claims abstract description 78
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 24
- 210000001503 joint Anatomy 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000746 Structural steel Inorganic materials 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 235000000396 iron Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a ventilator cover and a switch machine with waterproof and ventilation functions, wherein the ventilator cover comprises: a cover plate of the machine cover; the lower end of the left side of the cover plate of the machine cover is provided with two hinge lugs which are distributed at intervals front and back; the middle part of the lower end of the right side of the cover plate of the machine cover is provided with a pressing plate which is horizontally and transversely distributed; the front side of the cover plate of the machine cover is provided with a manual module and a ventilation module at the opening; the manual module is used for enabling the crank joint of the hand crank to be in butt joint with a hand crank shaft on the original motor reducer of the switch machine after penetrating and inserting; the hand shaft on the original motor reducer of the switch machine is positioned in the hollow cover plate of the machine cover; the ventilation module is used for playing the role of water resistance and ventilation and enabling air to flow into the cover plate of the machine cover. The invention can improve the ventilation capacity of the switch machine on the premise of not reducing the sealing protection performance, so as to achieve the aim of only ventilating air but not ventilating water vapor in and out of the switch machine and effectively avoid condensation in the switch machine.
Description
Technical Field
The invention relates to the technical field of railway turnout switching equipment, in particular to a ventilator cover with waterproof and ventilation functions and a switch machine.
Background
The switch machine is an important signal basic device for reliably converting the switch position, changing the switch opening direction, locking the switch tongue, reflecting the switch position and state, and can well ensure the driving safety, improve the transportation efficiency and improve the labor intensity of driving personnel.
The protection grade of the conventional common switch machine is IP54, and the protection grade can adapt to a certain degree of rain, however, as accumulated water in a subway tunnel can not be discharged in time at the initial stage of subway line construction, and the problem that the switch machine is soaked in water in extreme conditions such as heavy rain exists in national irons, the water enters the switch machine, and adverse effects are generated on the normal use of the switch machine.
Therefore, the current sealed switch machine is gradually popularized and applied. The sealing type switch machine aims at improving the sealing performance of the switch machine, and the protection grade of the sealing type switch machine reaches IP67M.
However, in the case of a sealed switch machine, the ventilation ability is poor, and when the temperature change of the external environment is large, problems such as condensation in the switch machine are caused.
Therefore, there is an urgent need to develop a technology capable of solving the above technical problems.
Disclosure of Invention
The invention aims at overcoming the technical defects existing in the prior art and provides a ventilator cover with waterproof and ventilation functions and a switch machine.
To this end, the present invention provides a ventilator cover having waterproof and ventilation functions, comprising: the machine cover comprises a machine cover plate, folding lugs, a pressing plate, a manual module and a ventilation module;
the lower end of the left side of the cover plate of the machine cover is provided with two hinge lugs which are distributed at intervals front and back;
the middle part of the lower end of the right side of the cover plate of the machine cover is provided with a pressing plate which is horizontally and transversely distributed;
the front side of the cover plate of the machine cover is provided with a manual module and a ventilation module at the opening;
the manual module is used for enabling the crank joint of the hand crank to be in butt joint with a hand crank shaft on the original motor reducer of the switch machine after penetrating and inserting;
the hand shaft on the original motor reducer of the switch machine is positioned in the hollow cover plate of the machine cover;
the ventilation module is used for playing the role of water resistance and ventilation and enabling air to flow into the cover plate of the machine cover.
Compared with the prior art, the invention provides the ventilator cover with the waterproof and breathable functions and the switch machine, which are scientific in design, and can improve the ventilation capacity of the switch machine on the premise of not reducing the sealing and protecting performance so as to achieve the aim of only ventilating air in the switch machine and not ventilating water vapor outside the switch machine, effectively avoid condensation in the switch machine, and have great practical significance.
Drawings
FIG. 1a is a front view of a ventilator cover with waterproof and breathable functions provided by the present invention;
FIG. 1b is a schematic three-dimensional view of an embodiment of a ventilator cover with waterproof and breathable capabilities according to the present invention;
FIG. 2 is an enlarged schematic view of a left end portion of the air-permeable waterproof cover of FIG. 1 according to the present invention;
FIG. 3 is a top view of a ventilator cover with waterproof and breathable functions provided by the invention;
fig. 4a is a schematic view of a left side cross-sectional structure of a ventilation module in a ventilation cover with waterproof and ventilation functions according to the present invention;
fig. 4b is a schematic view of a three-dimensional exploded structure of a ventilation module in a ventilation cover with waterproof and ventilation functions according to the present invention;
fig. 4c is a schematic perspective view of a ventilation module in a ventilation cover with waterproof and ventilation functions according to the present invention;
FIG. 5a is a left side cross-sectional view of a manual module in a ventilator cover with waterproof and venting features provided by the present invention, where the manual cover is not attached to the gasket cylinder;
FIG. 5b is a left side cross-sectional view of the manual module in the ventilator cover with waterproof and venting features of the present invention, with the manual cover installed on the gasket cylinder;
FIG. 5c is a schematic view of a perspective exploded view of one embodiment of a manual module in a ventilator cover with waterproof and venting features according to the present invention;
FIG. 6 is a front view of a handle associated with the sealed switch machine;
FIG. 7a is a front view showing an operation state of a ventilator with waterproof and ventilation functions according to the present invention when mounted to a conventional sealed switch machine;
FIG. 7b is a schematic view of a three-dimensional structure of a waterproof and breathable ventilator according to the present invention when installed in a conventional sealed switch machine;
in the figure, 1-fold ears; 2-a rubber sealing strip; 3-a cover plate of the machine cover; 4-a manual module; 5-a ventilation module;
6-locking; 7-pressing plates; 8-angle iron frames; 9-fixing the flange; 10-a waterproof breathable film;
11-a first rubber cushion gasket; 12-a stop washer; 13-a second rubber cushion gasket; 14-a ventilation cover; 15-sponge blocks;
16-manual lid; 17-folding a rubber pad; 18-fastening a screw; 19-a first elastic washer; 20-tightening a nut;
21-a sealing ring; 22-a gasket cylinder; 23-anti-loose sheets;
24-connecting pins; 25-locking pins;
26-supporting columns; 27-a bottom shell boss; 28-a second elastic washer; 29-a nut; 30-cap pressing bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1a to 1b, 2 to 3, 4a to 4c, 5a to 5c, 6, 7a, and 7b, the present invention provides a ventilation cover having waterproof function for being mounted on top of a main casing 200 (i.e., a bottom casing) of a switch machine, the ventilation cover comprising: the machine cover comprises a machine cover plate 3, hinge lugs 1, a lock catch 6, a pressing plate 7, a manual module 4, a rubber sealing strip 2 and a ventilation module 5;
the lower end of the left side of the cover plate 3 is provided with two hinge lugs 1 which are distributed at intervals in front and back;
the middle part of the right lower end of the cover plate 3 is provided with a pressing plate 7 which is horizontally and transversely distributed;
the front side of the cover plate 3 is provided with a manual module 4 and a ventilation module 5;
the manual module 4 is used for enabling the crank handle joint 101 of the crank handle 100 to be inserted in a penetrating manner and then be in butt joint (for example, plug-in connection) with a hand shaft on an original motor reducer of the switch machine;
the hand crank shaft on the original motor reducer of the switch machine is positioned in the hollow cover plate 3 of the machine cover;
the ventilation module 5 is used for playing a role of waterproof and ventilation, and can enable air to flow into the cover plate 3.
In the invention, the upper end of the hinge lug 1 is welded with the cover plate 3 of the machine cover;
the top of the pressing plate 7 is provided with a lock catch 6;
the lock catch 6 is welded on the top of the pressing plate 7.
In the present invention, after the cap bolt 30 connected to the bottom case (i.e., the main case 200 of the switch machine) is screwed, the ventilator cover can be fixed to the bottom case, thereby preventing loosening. The lock can be further arranged at the lock catch 6 according to the requirement on the spot.
In the invention, the lower end of the left side of the cover plate 3 of the machine cover is provided with cover plate bosses 301 distributed in a surrounding way;
the right side of the hinge lug 1 is provided with a cover plate boss accommodating groove at a position corresponding to the adjacent cover plate boss 301;
the left side of the cover boss 301 is located in the cover boss accommodating recess.
The shape and size of the cover plate boss 301 are correspondingly matched with the shape and size of the cover plate boss accommodating groove.
In particular, a circle of rubber sealing strips 2 are circumferentially arranged on the inner side of the cover plate boss 301.
Further, a circle of angle iron frames 8 are circumferentially arranged in the inner cavity of the cover plate boss 301;
the gap between the angle iron frame 8 and the inner side wall of the cover plate boss 301 is used for setting the rubber sealing strip 2.
Further, the clearance between the angle iron frame 8 and the inner side wall of the cover plate boss 301 is in interference fit with the rubber sealing strip 2.
It should be noted that, the clearance between the rubber sealing strip 2 and the cover plate boss 301 and the angle iron frame 8 of the cover plate 3 is an interference fit, so that not only the installation firmness, but also the sealing performance can be ensured.
Further, the angle iron frame 8 is fixedly connected with the cover plate boss 301 by means of welding.
Further, the rubber sealing strip 2 is internally provided with hollow cavities distributed in a surrounding manner.
In the present embodiment, the manual module 4 is fixed to the front side of the cover plate 3 by screws.
In the present invention, the ventilation module 5 is fixed to the cover plate 3 by a split screw-type fitting.
It should be noted that, the cooperation of the manual module 4 and the ventilation module 5 with the cover plate 3 is provided with rubber pads to ensure sealing effect.
In a specific implementation of the invention, the ventilation module 5 comprises a fixed flange 9 and a ventilation cover 14;
the ventilation cover 14 is provided with ventilation openings penetrating through the front and rear;
the inside of the fixed flange 9 is provided with a flange inner hole penetrating front and back;
the flange inner hole comprises a front end inner hole, a rear end inner hole and a first rubber cushion gasket limiting groove;
the first rubber cushion gasket limiting groove is positioned between the inner hole at the front end and the inner hole at the rear end;
a first rubber cushion gasket 11 is arranged in the first rubber cushion gasket limiting groove;
the ventilation cover 14 comprises a cover exposed section 141 and a fixed flange butt section 142 which are distributed front and back;
the inner hole at the front end of the fixed flange 9 is in threaded connection with the fixed flange butt joint section 142 at the rear end of the ventilation cover 14;
the front sides of the first rubber cushion gaskets 11 are respectively and tightly attached to the rear sides of the fixed flange butt joint sections 142;
the front panel 300 of the cover plate 3 is positioned between the front end surface of the fixed flange 9 and the cover exposed section 141 and is positioned on the circumferential outer side of the fixed flange butt section 142;
the front end of the ventilation opening of the ventilation cover 14 is provided with a sponge block accommodating groove;
a sponge block 15 is arranged in the sponge block accommodating groove;
the inner hole at the rear end of the fixed flange 9 is provided with a waterproof and breathable film 10;
the diameter of the inner hole at the front end of the inner hole of the flange is larger than that of the inner hole at the rear end of the inner hole of the flange;
the sponge block receiving groove has a diameter (i.e., inner diameter) greater than the diameter (i.e., inner diameter) of the vent opening of the vent cover 14.
In particular, the front panel 300 of the cover plate 3 is provided with a ventilation module installation through hole;
in the ventilation module mounting through hole, a fixing flange docking section 142 is inserted.
In particular, the diameter of the exposed section 141 of the cover is larger than the diameter of the butt section 142 of the fixed flange;
the overall shape of the cover exposed section 141 and the fixing flange butt section 142 is hollow and cylindrical.
In the concrete implementation, the inner hole at the front end of the fixed flange 9 is an inner threaded hole;
the outer surface of the fixed flange abutment section 142 of the vent cover 14 is externally threaded;
the inner hole at the front end of the fixed flange 9 is in threaded connection with the fixed flange butt joint section 142 of the ventilation cover 14;
in particular, a stop washer 12 is arranged between the rear side surface of the front side panel 300 of the cover plate 3 and the front end surface of the fixed flange 9 in a surrounding manner;
a stop washer 12 which is sleeved on the circumferential side surface of the fixed flange butt section 142;
a second rubber cushion washer 13 is arranged between the front side surface of the front side panel 300 of the cover plate 3 and the rear side surface of the cover exposed section 141 of the ventilation cover 14;
the second rubber cushion washer 13 is sleeved on the circumferential side surface of the fixed flange butt joint section 142.
Further, the central inner hole of the stop washer 12 is in interference fit with the fixed flange butt section 142;
the central inner hole of the second rubber cushion gasket 13 is in interference fit with the fixed flange butt joint section 142.
Further, the front side and the rear side of the stop washer 12 are respectively tightly attached to the cover plate 3 and the fixed flange 9;
the front and rear sides of the second rubber gasket 13 are respectively and tightly attached to the exposed section 141 of the ventilation cover 14 and the cover plate 3 of the cover.
In the concrete implementation, a waterproof breathable film limiting groove which is distributed in a surrounding manner is arranged in the rear end inner hole of the flange inner hole and is close to the rear side position of the first rubber cushion gasket limiting groove;
a waterproof and breathable film 10 is arranged in the waterproof and breathable film limiting groove;
further, the inner diameter of the waterproof breathable film limiting groove is smaller than that of the first rubber cushion gasket limiting groove.
Further, the front and rear sides of the waterproof breathable film 10 are provided with a first protection frame 101 and a second protection frame 102 in the shape of rings;
the first protection frame 101 and the second protection frame 102 are positioned in the waterproof breathable film limiting groove;
the front side and the rear side of the first protection frame 101 are respectively and tightly attached to the first rubber cushion gasket 11 and the waterproof and breathable film 10;
the front side and the rear side of the second protection frame 102 are respectively and tightly attached to the waterproof breathable film 10 and the waterproof breathable film limiting groove;
the waterproof breathable film 10 of the present invention operates as follows:
because the interval between the gas molecules is great, can pass the bleeder vent on the waterproof ventilated membrane in the diffusion motion in-process, and the interval between the liquid molecule is less than the interval of bleeder vent, and under the effect of surface tension for the liquid molecule can not pass waterproof ventilated membrane, waterproof ventilated membrane plays waterproof ventilative effect promptly. The waterproof breathable film is a waterproof breathable material mature in the prior art and is not described in detail herein.
It should be noted that, for the present invention, as shown in fig. 4a, the retainers (i.e., the first protective frame 101 and the second protective frame 102) are installed on both sides of the waterproof and breathable film 10, one side close to the fixing flange 9 is coated with 3M back glue, and the ventilation cover 14 presses the first rubber cushion gasket 11, so that the first rubber cushion gasket 11 is stuck (i.e., closely stuck) to the fixing flange 9, thereby ensuring the sealing performance. In addition, the sponge block 15 is arranged at the ventilation opening of the ventilation cover 14 to play a role in dust prevention.
For the invention, when in installation, the fixing flange 9 is arranged on the inner side (i.e. the rear side) of the front side panel 300 of the cover plate 3, the ventilation cover 14 is arranged on the outer side (i.e. the front side) of the front side panel 300 of the cover plate 3, and after the fixing flange 9 and the ventilation cover 14 are screwed by screw connection, the ventilation cover 14 presses the second rubber cushion gasket 13, so that the sealing performance is ensured. At the same time, the stop washer 12 is pressed on the front side of the fixed flange 9, and plays a role in locking.
In a specific implementation of the invention, referring to fig. 5a to 5c, 6, the manual module 4 comprises a gasket cylinder 22;
the gasket cylinder 22 is fixedly connected with the front side panel 300 of the cover plate 3;
the front end of the gasket cylinder 22 is screwed inside one end of a manual cap 16.
The gasket cylinder 22 is provided with a tubular hand crank inserting cavity 220 which is longitudinally communicated with the front and back;
the front panel 300 of the cover plate 3 is provided with a gasket cylinder mounting through hole at a position corresponding to the rear end of the gasket cylinder 22;
the rear end of the gasket cylinder 22 is arranged in the gasket cylinder mounting through hole;
the hand crank is inserted into the cavity 220 and is arranged opposite to a hand crank shaft (i.e. a gear shaft) on an original motor reducer of the switch machine;
the hand shaft (namely a gear shaft) on the original motor reducer of the frog is positioned in the cover plate 3 of the cover;
the crank insertion cavity 220 is configured to enable the crank connector 101 of the crank handle 100 to be inserted therethrough and then to be in butt joint (e.g., plug-in) with a crank shaft (i.e., gear shaft) of an original motor reducer of the switch machine.
It should be noted that, referring to fig. 6, one end of a crank handle 100 is provided with a crank handle joint 101;
one end of the crank joint 101 is fixedly connected with a crank rod 103 through a connecting pin 102.
It should be noted that, the crank handle joint 101 has a crank shaft docking slot 1010 with an opening at the rear side (the crank shaft docking slot 1010 includes three parts of a left section, a middle section and a right section which are sequentially communicated, the left section is a cylindrical cavity, the middle section is a cavity with a truncated cone shape, and the right end is a cavity with a rectangular longitudinal section), and the crank shaft docking slot 1010 is correspondingly spliced with a crank shaft (i.e. a gear shaft) on an original motor reducer of the switch machine.
It should be noted that, for the present invention, the main functions of the manual module 4 are: under the condition that the ventilator cover is not opened, the switch machine can be rotated by inserting a hand crank into a gear shaft (namely, a hand crank shaft on an original motor reducer of the existing electric switch machine) from outside only by opening the manual cover 16 in the manual module 4, so that the forward and reverse actions of the switch machine (namely, the switch switching can be realized) can be realized through the gear shaft.
The original motor reducer of the switch machine is mature equipment on the existing switch machine, and can be particularly a motor reducer on a sealed type motor switch machine produced by Tianjin railway signal Limited liability company, for example, a motor reducer on a sealed type motor switch machine with the model of ZDJ9-170/4.0/M produced by Tianjin railway signal Limited liability company.
The motor reducer of the electric switch machine is used as mature equipment on the existing switch machine, and the motor reducer is used for transmitting the rotary motion of a motor to a friction connector on a ball screw of the switch machine so as to drive the electric switch machine to switch a turnout. In order to operate the switch machine by hand, a hand gear and a hand shaft (i.e., a gear shaft) are arranged on the speed reducer of the electric switch machine, the hand shaft (i.e., the gear shaft) on the speed reducer of the electric switch machine is rotated by the crank handle 100, and then power is transmitted to the action rod through a gear, a screw rod and other devices, so that the switch machine can be operated in the forward and reverse positions, namely, the switch machine is manually operated to switch the switch.
In particular, the gasket cylinder 22 comprises a cylinder front end 221, a cylinder limit convex edge 222 and a cylinder rear end 223 which are sequentially distributed from front to back;
a cylinder rear end 223 disposed in a gasket cylinder mounting through hole provided in the front panel 300 of the cover plate 3;
a seal ring 21 (specifically, an O-ring) is circumferentially provided at one end of the gasket cylinder 22 near the cylinder front end 221 of the cylinder stopper flange 222;
further, a plurality of (not limited to four) first screw through holes penetrating from front to back are formed in the barrel limiting flange 222;
the front panel 300 of the cover plate 3 is provided with a second screw through hole penetrating from front to back at a position corresponding to each first screw through hole;
the barrel limiting convex edge part 222 is fixedly connected with the front side panel 300 of the cover plate 3 through a plurality of fastening screws 18;
the fastening screw 18 passes through the first screw through hole and the second screw through hole corresponding to the positions in sequence and is fixedly connected with a fastening nut 20 through threads.
Further, the diameter of the barrel stopper flange 222 is larger than the diameter of the barrel rear end 223 and the diameter of the barrel front end 221.
Further, the cylinder front end 221 of the gasket cylinder 22 has an external thread;
one end of the manual cover 16 has a manual cover internal threaded hole 160;
the manual cap female screw hole 160 is screwed to the cylinder front end 221.
Further, a first elastic washer 19 is provided between each fastening nut 20 and the inside of the front side panel 300 of the cover plate 3;
a first elastic washer 19 is fitted over the fastening screw 18.
Further, a locking piece 23 is provided between the two first elastic washers 19 and the inner side of the front side panel 300 of the cover plate 3;
the locking pieces 23 are respectively provided with third screw through holes penetrating front and rear at positions corresponding to each fastening screw 18;
the third screw through hole is arranged right corresponding to the second screw through hole;
a fastening screw 18 passes through the third screw through hole.
Further, the locking piece 23 is provided with a handle insertion through hole at a position corresponding to the rear end opening of the handle insertion cavity 220;
the crank is inserted into the through hole for passing through the crank joint 101 of the handle 100.
In the concrete implementation, one end of a folded cover rubber pad 17 is arranged between a cylinder limiting convex edge part 222 of the gasket cylinder 22 and the front side surface of the front side panel 300 of the cover plate 3;
one end of the folding cover rubber pad 17 is provided with a fourth screw through hole at a position corresponding to each fastening screw 18;
the fourth screw through hole is arranged right corresponding to the second screw through hole;
a fastening screw 18 passes through the fourth screw through hole.
The other end of the folding cover rubber pad 17 is provided with a collar 170 which penetrates longitudinally front and back;
the other end of the manual cover 16 is circumferentially provided with a collar limit groove 160 on the outer side;
the collar 170 is configured to be sleeved in the collar limiting groove 160 of the manual cover 16, so that when the manual cover 16 is detached from the gasket cylinder 22 (for inserting a crank handle), the manual cover can be temporarily placed, and the manual cover 16 is prevented from being lost.
In the present invention, as shown in fig. 5a to 5c, the gasket cylinder 22 is mounted on the front side of the front panel 300 of the cover plate 3 by the fastening screw 18, the first elastic washer 19, the fastening nut 20 and the locking piece 23, one end of the folded rubber pad 17 is disposed between the gasket cylinder 22 and the cover plate 3, and the other end is disposed on the manual cover 16, and when the manual cover 16 is unscrewed, the folded rubber pad can be used for placing the manual cover 16, thereby preventing the manual cover 16 from being lost.
In the present invention, the manual cover 16 is screwed with the gasket cylinder 22, and an O-ring 21 is installed at the end face of the gasket cylinder 2222 to ensure sealing performance.
In addition, the ventilator cover with the waterproof and breathable functions is particularly applied to a switch machine. To this end, with reference to fig. 7a, 7b, the present invention also provides a switch machine comprising a ventilator cover having waterproof and ventilation functions as previously described, and a main casing 200 (i.e. bottom casing) of the switch machine;
the top of the main casing 200 of the switch machine is provided with the waterproof and breathable ventilator cover in a sealing manner.
In the present invention, the bottom of the cover plate 3 is hermetically connected to the top of the main casing 200 of the switch machine.
The main casing 200 of the switch machine is a sealed casing having an equipment element installation cavity with an open top, and the main casing 200 of the switch machine is only open top, but the top is covered by the cover plate 3 and is hermetically connected.
For the cover plate 3, the remaining part is a sealed housing except for the hole site for installing the manual module 4 and the ventilation module 5 and the bottom opening.
The motor reducer in the switch machine is located in the main casing 200 of the switch machine.
In a specific implementation of the present invention, the switch machine is a sealed switch machine.
The sealed switch machine is mature finished equipment in the prior art, for example, can be an electric switch machine which is produced by Tianjin railway signal Limited liability company and has the model of ZDJ9-170/4.0/M, and is mainly used for pulling turnout in places such as subways, large irons and the like.
In the present invention, the left outer wall of the main casing 200 of the switch machine is hinged with the hinge lug 1 on the cover plate 3.
In particular, two bottom shell bosses 27 are arranged on the left outer wall of the main shell 200 of the switch machine at intervals in the front-back direction;
two bottom shell bosses 27 located right below the two hinge lugs 1 on the cover plate 3;
each bottom shell boss 27 is provided with a support column installation through hole which is vertically distributed;
each support column installation through hole is vertically inserted through the support column 26;
the upper end of each support column 26 is provided with a first connecting pin through hole;
the hinge lug 1 on the cover plate 3 of the machine cover is provided with a second connecting pin through hole at a position corresponding to the first connecting pin through hole on the supporting column 26;
the connecting pin 24 is connected with a locking pin 25 after longitudinally penetrating through a first connecting pin through hole and a second connecting pin through hole corresponding to the positions (the locking pin 25 is inserted into the through hole at the tail end of the connecting pin 24);
in particular, the lower end of the support post 26 is threaded into a second nut 29 after passing vertically through the support post mounting hole and the bore of a second elastomeric washer 28.
In the present invention, the right outer wall of the main casing 200 of the switch machine is fixedly connected with the pressing plate 7 on the cover plate 3.
In particular, a bolt supporting boss 31 is provided on the outer wall of the right side of the main casing 200 of the switch machine;
the bolt supporting boss 31 is positioned right below the pressing plate 7 of the cover plate 3;
a bolt supporting boss 31 hinged (rotatably connected) to one end of a press cap bolt 30;
the pressing plate 7 of the cover plate 3 is provided with a pressing plate notch 70 at one end far away from the cover plate 3;
the pressing plate notch 70 is arranged opposite to the pressing cap bolt 30;
the screw of the cap pressing bolt 30 vertically passes through the pressing plate notch 70 and is fixedly connected with a third nut 2 through threads.
In the present invention, as shown in fig. 7a and 7b, the fan cover is installed on the support column 26 through the connection pin 24, the support column 26 is installed on the bottom shell boss 27 of the main casing 200 of the switch machine through the second elastic washer 28 and the second nut 29, and then the other end of the fan cover is pressed down by the cap pressing bolt 30, so that the rubber sealing strip 2 is pressed on the top of the main casing 200 of the switch machine, and the sealing performance is ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A ventilator cover having waterproof and breathable functions, comprising: the machine cover comprises a machine cover plate (3), folding lugs (1), a pressing plate (7), a manual module (4) and a ventilation module (5);
the lower end of the left side of the cover plate (3) is provided with two hinge lugs (1) which are distributed at intervals in front and back;
the middle part of the right lower end of the cover plate (3) is provided with a pressing plate (7) which is horizontally and transversely distributed;
the front side of the cover plate (3) of the machine cover is provided with a manual module (4) and a ventilation module (5) in an opening;
the manual module (4) is used for enabling a crank handle joint (101) of the crank handle (100) to be connected with a hand shaft on an original motor reducer of the switch machine in a butt joint mode after penetrating and inserting;
the hand shaft on the original motor reducer of the switch machine is positioned in the hollow cover plate (3);
and the ventilation module (5) is used for playing a role of water resistance and ventilation and enabling air to flow into the cover plate (3).
2. A ventilator cover with waterproof and breathable function according to claim 1, characterized in that the lower left end of the cover plate (3) has cover plate bosses (301) distributed circumferentially;
the right side of the folding lug (1) is provided with a cover plate boss accommodating groove at a position corresponding to the adjacent cover plate boss (301);
the left side of the cover plate boss (301) is positioned in the cover plate boss accommodating groove;
a circle of rubber sealing strips (2) are circumferentially arranged on the inner side of the cover plate boss (301).
3. A ventilator cover with waterproof and breathable function according to claim 2, characterized in that the inner cavity of the cover plate boss (301) is circumferentially provided with a ring of angle iron frames (8);
the gap between the angle iron frame (8) and the inner side wall of the cover plate boss (301) is used for arranging a rubber sealing strip (2);
the clearance between the angle iron frame (8) and the inner side wall of the cover plate boss (301) is in interference fit with the rubber sealing strip (2);
the rubber sealing strip (2) is internally provided with hollow inner cavities distributed in a surrounding manner.
4. A ventilator cover with waterproof and breathable function according to claim 1, characterized in that the ventilation module (5) comprises a fixing flange (9) and a ventilation cover (14);
the ventilation cover (14) is provided with ventilation openings penetrating front and back;
the inside of the fixed flange (9) is provided with a flange inner hole penetrating front and back;
the flange inner hole comprises a front end inner hole, a rear end inner hole and a first rubber cushion gasket limiting groove;
the first rubber cushion gasket limiting groove is positioned between the inner hole at the front end and the inner hole at the rear end;
a first rubber cushion gasket (11) is arranged in the first rubber cushion gasket limiting groove;
the ventilation cover (14) comprises a cover exposed section (141) and a fixed flange butt section (142) which are distributed front and back;
an inner hole at the front end of the fixed flange (9) is in threaded connection with a fixed flange butt joint section (142) at the rear end of the ventilation cover (14);
the front sides of the first rubber cushion gaskets (11) are respectively and tightly attached to the rear sides of the butt joint sections (142) of the fixed flanges;
a front side panel (300) of the cover plate (3) is positioned between the front end surface of the fixed flange (9) and the exposed section (141) of the cover and is positioned on the outer side of the circumferential direction of the butt joint section (142) of the fixed flange;
the front end of the ventilation opening of the ventilation cover (14) is provided with a sponge block accommodating groove;
a sponge block (15) is arranged in the sponge block accommodating groove;
the inner hole at the rear end of the fixed flange (9) is provided with a waterproof and breathable film (10).
5. The waterproof and breathable ventilator cover of claim 4, wherein the diameter of the front end inner bore of the flange inner bore is greater than the diameter of the rear end inner bore of the flange inner bore;
the diameter of the sponge block accommodating groove is larger than that of the ventilation opening of the ventilation cover (14);
the diameter of the exposed section (141) of the cover is larger than that of the butt section (142) of the fixed flange;
and/or the number of the groups of groups,
a front panel (300) of the cover plate (3) is provided with a ventilation module installation through hole;
a fixed flange butt joint section (142) is inserted into the ventilation module mounting through hole;
and/or the number of the groups of groups,
an inner hole at the front end of the fixed flange (9) is an inner threaded hole;
the outer surface of the fixed flange butt joint section (142) of the ventilation cover (14) is provided with external threads;
the inner hole at the front end of the fixed flange (9) is in threaded connection with a fixed flange butt joint section (142) of the ventilation cover (14);
and/or the number of the groups of groups,
a stop washer (12) is arranged between the rear side surface of the front side panel (300) of the cover plate (3) and the front end surface of the fixed flange (9) in a surrounding manner;
a stop washer (12) sleeved on the circumferential side of the fixed flange butt section (142);
the central inner hole of the stop washer (12) is in interference fit with the butt joint section (142) of the fixed flange;
the front side and the rear side of the stop washer (12) are respectively tightly attached to the cover plate (3) of the machine cover and the fixed flange (9);
and/or the number of the groups of groups,
a second rubber cushion gasket (13) is arranged between the front side surface of the front side panel (300) of the cover plate (3) and the rear side surface of the cover exposed section (141) of the ventilation cover (14);
the second rubber cushion gasket (13) is sleeved on the circumferential side surface of the fixed flange butt joint section (142);
the central inner hole of the second rubber cushion gasket (13) is in interference fit with the butt joint section (142) of the fixed flange;
the front side and the rear side of the second rubber cushion gasket (13) are respectively tightly attached to the exposed section (141) of the cover of the ventilation cover (14) and the cover plate (3) of the cover;
and/or the number of the groups of groups,
a waterproof breathable film limiting groove distributed in a surrounding manner is formed in the rear end inner hole of the flange inner hole, which is close to the rear side of the first rubber cushion gasket limiting groove;
a waterproof and breathable film (10) is arranged in the waterproof and breathable film limiting groove;
the inner diameter of the waterproof breathable film limiting groove is smaller than that of the first rubber cushion gasket limiting groove;
the front side and the rear side of the waterproof breathable film (10) are provided with annular first protection frames (101) and second protection frames (102);
the first protection frame (101) and the second protection frame (102) are positioned in the waterproof breathable film limiting groove;
the front side and the rear side of the first protection frame (101) are respectively and tightly attached to the first rubber cushion gasket (11) and the waterproof breathable film (10);
the front side and the rear side of the second protection frame (102) are respectively and tightly attached to the waterproof breathable film (10) and the waterproof breathable film limiting groove.
6. A ventilator cover with waterproof and breathable function according to claim 1, characterized in that the manual module (4) comprises a gasket cylinder (22);
the gasket cylinder body (22) is fixedly connected with the front side panel (300) of the cover plate (3);
the front end of the gasket cylinder body (22) is in threaded connection with the inner side of one end of a manual cover (16);
the gasket cylinder body (22) is provided with a tubular hand crank inserting cavity (220) which is longitudinally communicated front and back;
a front panel (300) of the cover plate (3) is provided with a gasket cylinder mounting through hole at a position corresponding to the rear end of the gasket cylinder (22);
the rear end of the gasket cylinder (22) is arranged in the gasket cylinder mounting through hole;
the hand crank is inserted into the cavity (220) and is arranged corresponding to a hand crank shaft on an original motor reducer of the switch machine;
the hand crank shaft on the original motor reducer of the frog is positioned in the cover plate (3);
the hand crank inserting cavity (220) is used for enabling the crank joint (101) of the hand crank (100) to be in butt joint with a hand crank shaft on an original motor reducer of the switch machine after penetrating and inserting.
7. The ventilator cover with waterproof and breathable functions according to claim 6, characterized in that the gasket cylinder (22) comprises a front cylinder end (221), a cylinder limit flange (222) and a rear cylinder end (223) which are distributed in sequence from front to back;
a cylinder rear end (223) which is provided in a gasket cylinder mounting through hole provided in a front panel (300) of the cover plate (3);
a seal ring (21) is circumferentially arranged at one end of the front end (221) of the gasket cylinder (22) close to the cylinder limit convex edge (222).
8. The ventilator cover with waterproof and breathable functions according to claim 7, characterized in that a plurality of first screw through holes penetrating from front to back are arranged on the barrel limiting flange part (222) of the barrel limiting flange part;
a front panel (300) of the cover plate (3) is provided with a second screw through hole penetrating from front to back at a position corresponding to each first screw through hole;
the cylinder limiting convex edge part (222) is fixedly connected with the front side panel (300) of the cover plate (3) through a plurality of fastening screws (18);
the fastening screw (18) sequentially passes through the first screw through hole and the second screw through hole which correspond to each other in position and is fixedly connected with a fastening nut (20) through threads;
and/or the number of the groups of groups,
the diameter of the barrel limiting convex edge part (222) is larger than the diameter of the barrel rear end part (223) and the diameter of the barrel front end part (221);
and/or the number of the groups of groups,
the front end part (221) of the gasket cylinder (22) is provided with external threads;
one end of the manual cover (16) is internally provided with a manual cover internal threaded hole (160);
the manual cover internal threaded hole (160) is in threaded connection with the front end part (221) of the cylinder body;
and/or the number of the groups of groups,
a first elastic washer (19) is arranged between each fastening nut (20) and the inner side of the front side panel (300) of the cover plate (3);
the first elastic washer (19) is sleeved on the fastening screw (18);
and/or the number of the groups of groups,
a locking piece (23) is arranged between the two first elastic washers (19) and the inner side of the front side panel (300) of the cover plate (3);
the anti-loosening sheet (23) is provided with a third screw through hole penetrating front and back at a position corresponding to each fastening screw (18);
the third screw through hole is arranged right corresponding to the second screw through hole;
a fastening screw (18) passing through the third screw through hole;
the anti-loose piece (23) is provided with a hand crank inserting through hole at a position corresponding to the rear end opening of the hand crank inserting cavity (220);
the hand crank is inserted into the through hole and is used for penetrating through a crank joint (101) of the hand crank (100);
and/or the number of the groups of groups,
one end of a folding cover rubber pad (17) is arranged between a cylinder limiting convex edge part (222) of the gasket cylinder (22) and the front side surface of the front side panel (300) of the cover plate (3);
one end of the folding cover rubber pad (17) is provided with a fourth screw through hole at a position corresponding to each fastening screw (18);
the fourth screw through hole is arranged right corresponding to the second screw through hole;
a fastening screw (18) passing through the fourth screw through hole;
the other end of the folding cover rubber pad (17) is provided with a sleeve ring (170) penetrating longitudinally front and back;
the other end of the manual cover (16) is circumferentially provided with a lantern ring limiting groove outside;
the lantern ring (170) is used for being sleeved in the lantern ring limiting groove of the manual cover (16), so that the manual cover can be temporarily placed when the manual cover (16) is detached from the gasket cylinder body (22), and the manual cover (16) is prevented from being lost.
9. A switch machine, characterized in that it comprises a ventilator cover with waterproof and breathable functions according to any one of claims 1-8, and a main casing (200) of the switch machine;
the top of the main shell (200) of the switch machine is provided with the ventilator cover with the waterproof and ventilation functions in a sealing way.
10. A switch machine according to claim 9, characterized in that the left outer wall of the main casing (200) of the switch machine is hinged to the hinge lug (1) of the cover plate (3);
two bottom shell bosses (27) which are distributed at intervals in the front-back direction are arranged on the left outer wall of the main shell (200) of the switch machine;
two bottom shell bosses (27) which are positioned right below the two hinge lugs (1) on the cover plate (3);
each bottom shell boss (27) is provided with a support column installation through hole which is vertically distributed;
each support column mounting through hole is vertically inserted into a support column (26) in a penetrating manner;
the upper end of each support column (26) is provided with a first connecting pin through hole;
the hinge lug (1) on the cover plate (3) of the machine cover is provided with a second connecting pin through hole at a position corresponding to the first connecting pin through hole on the supporting column (26);
the connecting pin (24) longitudinally penetrates through the first connecting pin through hole and the second connecting pin through hole which correspond to the positions in sequence and then is connected with a locking pin (25);
the lower end of the support column (26) is fixedly connected with a second nut (29) through threads after vertically penetrating through the support column installation through hole and an inner hole of a second elastic washer (28);
and/or the number of the groups of groups,
the outer wall of the right side of the main shell (200) of the switch machine is fixedly connected with a pressing plate (7) on the cover plate (3) of the machine cover;
a bolt supporting boss (31) is arranged on the outer wall of the right side of the main shell (200) of the switch machine;
the bolt supporting boss (31) is positioned right below the pressing plate (7) of the cover plate (3);
the bolt supporting boss (31) is hinged with one end of a press cap bolt (30);
a pressing plate (7) of the cover plate (3) is provided with a pressing plate notch (70) at one end far away from the cover plate (3);
the pressing plate notch (70) is arranged opposite to the pressing cap bolt (30);
the screw rod of the cap pressing bolt (30) vertically passes through the pressing plate notch (70) and is fixedly connected with a third nut (2) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311256291.6A CN117141549A (en) | 2023-09-27 | 2023-09-27 | Ventilator cover with waterproof ventilation function and point switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311256291.6A CN117141549A (en) | 2023-09-27 | 2023-09-27 | Ventilator cover with waterproof ventilation function and point switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117141549A true CN117141549A (en) | 2023-12-01 |
Family
ID=88886932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311256291.6A Pending CN117141549A (en) | 2023-09-27 | 2023-09-27 | Ventilator cover with waterproof ventilation function and point switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117141549A (en) |
-
2023
- 2023-09-27 CN CN202311256291.6A patent/CN117141549A/en active Pending
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