CN216812337U - Valve group for snow sweeper - Google Patents
Valve group for snow sweeper Download PDFInfo
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- CN216812337U CN216812337U CN202123260877.9U CN202123260877U CN216812337U CN 216812337 U CN216812337 U CN 216812337U CN 202123260877 U CN202123260877 U CN 202123260877U CN 216812337 U CN216812337 U CN 216812337U
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- sealing
- valve body
- heat exchange
- sealing door
- block
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- 241001417527 Pempheridae Species 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 116
- 239000000428 dust Substances 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 abstract description 11
- 239000003921 oil Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a valve bank for a snow sweeper, which comprises a valve body and a housing; the top of the valve body is provided with a plurality of heat exchange fins; a temperature sensor is fixed on the valve body; the top of the housing is provided with a heat exchange port; a fan is rotatably connected in the heat exchange port; a motor is fixed on one side of the heat exchange port; a filter screen is fixed outside the heat exchange port; a closed cavity is arranged above the heat exchange port; a tail gas pipe is inserted in the closed cavity; the bottom of the closed cavity is provided with a closing device; the valve body is isolated from the outside by arranging the housing, so that the valve body is prevented from accumulating dust, and the heat exchange fins and the fan are arranged to radiate the heat of the valve body, so that the oil quality of hydraulic oil in the valve body is ensured; and through passing the tail gas pipe through the closed cavity, when the snow sweeper works, if the temperature sensor detects that the temperature of the hydraulic oil is too low to influence the use, the closed cavity is firmly sealed through the sealing device, and the motor rotates reversely to enable the fan to transfer heat on the tail gas pipe to the valve body so as to ensure that the hydraulic oil works normally.
Description
Technical Field
The utility model belongs to the technical field of hydraulic valve banks, and particularly relates to a valve bank for a snow sweeper.
Background
The valve group on the snow sweeper is generally used for controlling mechanical parts on the snow sweeper to work, and the movement control of the mechanical parts on the snow sweeper is realized by utilizing the flow of hydraulic oil in the valve body; the snow sweeper is generally used outdoors, on one hand, impurities such as external dust and the like are easy to accumulate on the surface of the valve body to influence the heat dissipation of the snow sweeper, and even can be directly mixed into hydraulic oil in the valve body to influence the oil quality, so that mechanical parts on the snow sweeper are unstable in working; and the external low temperature can influence and also influence the hydraulic oil quality, and the normal use of the snow sweeper is interfered.
SUMMERY OF THE UTILITY MODEL
The utility model provides a valve group for a snow sweeper, aiming at overcoming the defects of the prior art.
The technical scheme provided by the utility model is as follows: a valve group used on a snow sweeper comprises a valve body and a housing fixed outside the valve body; the top of the valve body is provided with a plurality of heat exchange fins; a temperature sensor is fixed on the valve body; the top of the housing is provided with a heat exchange port; a fan is rotatably connected in the heat exchange port; a motor for driving the fan to rotate is fixed on one side of the heat exchange port; a filter screen is fixed outside the heat exchange port; a closed cavity is arranged above the heat exchange port; a tail gas pipe is inserted into the closed cavity; and a sealing device is arranged at the bottom of the sealing cavity.
Furthermore, a post rod is inserted in the filter screen; the post rod is rotatably connected with a cleaning rod; the bottom surface of the cleaning rod is attached to the top surface of the filter screen; curved surfaces are arranged on two sides of the cleaning rod; the two ends of the cleaning rod are provided with clamping grooves; the top surface of the filter screen is provided with a plurality of soft rubber columns; the soft rubber column is embedded into the clamping groove.
Furthermore, the top surface of the filter screen is in a cone shape with a high middle part and low periphery; and a dust collecting groove is arranged on the periphery of the filter screen.
Furthermore, the sealing device comprises an electric telescopic rod fixed at the top of the housing, a first sealing door fixed at one end of the electric telescopic rod, a second sealing door located at one end of the first sealing door, a transmission component used for enabling the first sealing door and the second sealing door to synchronously move, and a sealing component used for sealing the first sealing door and the second sealing door.
Furthermore, the transmission part comprises first racks respectively arranged at two sides of the first sealing door, gears which are rotatably connected to the top of the housing and are respectively meshed with the two first racks, and second racks respectively arranged at two sides of the second sealing door; the two second racks are respectively meshed with the two gears; sliding grooves are formed in the two sides of the top of the closed cavity; the first sealing door and the second sealing door are connected between the two sliding grooves in a sliding mode.
Furthermore, a first slot is formed at one end, close to the second sealing door, of the first sealing door; a second slot is formed in one end, close to the first sealing door, of the second sealing door; the sealing component comprises a middle sealing block which is connected in the first slot in a sliding way and one end of which is inserted into the second slot, an elastic piece which is fixed between the middle sealing block and the first slot, a first side sealing block which is fixed on the periphery of the first sealing door and a second side sealing block which is fixed on the periphery of the second sealing door; the first side sealing block and the second side sealing block are both abutted against the inner wall of the sliding chute; cavities are formed in the first side sealing block and the second side sealing block; the first side sealing block is connected with the middle sealing block through a first push rod; a second push rod is arranged on the second side sealing block; the end part of the second push rod is inserted into the second slot and is contacted with the middle sealing block.
In conclusion, the valve body is isolated from the outside by the housing, the valve body is prevented from accumulating dust, and the heat exchange fins and the fan are arranged to dissipate heat of the valve body, so that the oil quality of hydraulic oil in the valve body is ensured; and through passing the tail gas pipe through the closed cavity, when the snow sweeper works, if the temperature sensor detects that the temperature of the hydraulic oil is too low to influence the use, the closed cavity is firmly sealed through the sealing device, and the motor rotates reversely to enable the fan to transfer heat on the tail gas pipe to the valve body so as to ensure that the hydraulic oil works normally.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Figure 3 is an isometric cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of the filter screen in fig. 3.
Fig. 5 is an isometric cross-sectional view of the closure device of fig. 1.
Fig. 6 is a partially enlarged view of a portion B in fig. 5.
Fig. 7 is a schematic structural view of the middle sealing block in fig. 6.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
As shown in fig. 1-7, a valve set for a snow sweeper comprises a valve body 1 and a housing 2 fixed outside the valve body 1; the top of the valve body 1 is provided with a plurality of heat exchange fins 11; a temperature sensor 12 is fixed on the valve body 1; the top of the housing 2 is provided with a heat exchange port 21; a fan 22 is rotationally connected in the heat exchange port 21; a motor 23 for driving the fan 22 to rotate is fixed on one side of the heat exchange port 21; a filter screen 24 is fixed outside the heat exchange port 21; a closed cavity 25 is arranged above the heat exchange port 21; a tail gas pipe 26 is inserted in the closed cavity 25; the closing device 3 is installed at the bottom of the closing cavity 25.
High-temperature tail gas generated by the snow sweeper during movement is introduced into the tail gas pipe 26, when the snow sweeper is used, the temperature sensor 12 monitors the temperature of the valve body 1 in real time, when the temperature of the valve body 1 is too low, the sealing device 3 works to firmly seal the opening at the top of the sealing cavity 25, meanwhile, the motor 23 rotates reversely, so that the fan 22 transmits heat on the tail gas pipe 26 into the housing 2 through the heat exchange port 21, and the heat exchange of the valve body 1 and the outside is enhanced by the arrangement of the heat exchange fins 11, so that the temperature of the valve body 1 is gradually increased; when the temperature of the hydraulic oil and the valve body 1 is recovered to be normal, the sealing device 3 works to open the sealing cavity 25, and meanwhile, the motor 23 rotates forwards to radiate heat generated when the valve body 1 works to the outside through the fan 22, so that the temperature of the valve body 1 is kept in a proper range to ensure that the hydraulic oil can work at a proper temperature; the housing 2 and the filter screen 24 are arranged to prevent external impurities from falling onto the valve body 1, so that the valve body 1 can normally work.
Furthermore, a post 241 is inserted into the filter screen 24; a cleaning rod 242 is rotatably connected to the post rod 241; the bottom surface of the cleaning rod 242 is attached to the top surface of the filter screen 24; curved surfaces 243 are arranged on two sides of the cleaning rod 242; clamping grooves 244 are formed in the two ends of the cleaning rod 242; the top surface of the filter screen 24 is provided with a plurality of soft rubber columns 245; the soft rubber column 245 is embedded in the clamping groove 244; through the arrangement of the post rod 241, after dust on the surface of the filter screen 24 is accumulated, the surface of the filter screen 24 is cleaned by rotating the cleaning rod 242, and due to the arrangement of the curved surface 243, impurities are pushed by the cleaning rod 242 to move around the periphery of the filter screen 24, so that the air permeability of the filter screen 24 is ensured, and the heat dissipation effect on the valve body 1 is further ensured; the soft rubber column 245 is used for positioning the cleaning rod 242, so that the cleaning rod 242 is prevented from rotating due to external vibration when the valve body 1 works normally, and further the air permeability of the filter screen 24 is prevented from being influenced.
Further, the top surface of the filter screen 24 is in a cone shape with a high middle part and a low periphery; a dust collecting groove 246 is arranged at the periphery of the filter screen 24; the filter screen 24 with the conical surface enables impurities on the filter screen to disperse to the periphery along with external vibration, and the blockage of the filter screen 24 is reduced to a certain extent; the dust collecting groove 246 is arranged to enable the impurities to be finally accumulated in the dust collecting groove, so that the impurities can be conveniently cleaned.
Further, the closing device 3 includes an electric telescopic rod 31 fixed on the top of the housing 2, a first door seal 32 fixed on one end of the electric telescopic rod 31, a second door seal 33 located on one end of the first door seal 32, a transmission member 34 for enabling the first door seal 32 and the second door seal 33 to move synchronously, and a sealing member 35.
Further, the transmission part 34 includes first racks 341 respectively disposed at two sides of the first door seal 32, gears 342 rotatably connected to the top of the housing 2 and respectively engaged with the two first racks 341, and second racks 343 respectively disposed at two sides of the second door seal 33; the two second racks 343 are respectively engaged with the two gears 342; sliding grooves 27 are formed in the two sides of the top of the closed cavity 25; the first sealing door 32 and the second sealing door 33 are slidably connected between the two sliding grooves 27.
When the sealing device 3 works, the electric telescopic rod 31 drives the first sealing door 32 connected with the electric telescopic rod to slide along the sliding groove 27, the first rack 341 drives the gear 342 to rotate, and the gear 342 drives the second rack 343 to move along the direction opposite to that of the first rack 341, so that the first sealing door 32 and the second sealing door 33 form synchronous movement in opposite directions, and the top of the sealing cavity 25 is opened and closed.
Furthermore, a first slot 36 is arranged at one end of the first sealing door 32 close to the second sealing door 33; a second slot 37 is arranged at one end of the second sealing door 33 close to the first sealing door 32; the sealing member 35 includes a middle sealing block 351 slidably connected in the first insertion groove 36 and having one end inserted into the second insertion groove 37, an elastic member 352 fixed between the middle sealing block 351 and the first insertion groove 36, a first side sealing block 353 fixed on the periphery of the first door seal 32, and a second side sealing block 354 fixed on the periphery of the second door seal 33; the first side sealing block 353 and the second side sealing block 354 are both abutted against the inner wall of the sliding groove 27; cavities 355 are formed in the first side sealing block 353 and the second side sealing block 354; the first side sealing block 353 is connected with the middle sealing block 351 through a first push rod 356; a second push rod 357 is arranged on the second side sealing block 354; the end of the second push rod 357 is inserted into the second slot 37 and contacts the middle sealing block 351.
The resilient member 352 is preferably a commercially available spring; when the first door seal 32 and the second door seal 33 approach each other to close the closed cavity 25, the elastic member 352 is deformed under pressure, and the middle sealing block 351 is inserted between the first insertion groove 36 and the second insertion groove 37 to seal between the first door seal 32 and the second door seal 33; meanwhile, the middle sealing block 351 extrudes the second push rod 357, the first push rod 356 and the second push rod 357 respectively apply pressure to the first side sealing block 353 and the second side sealing block 354, the pressure in the cavity 355 is increased, so that the first side sealing block 353 and the second side sealing block 354 are tightly attached to the inner wall of the sliding groove 27, the top of the closed cavity 25 is sealed, the heat dissipation of the tail gas pipe 26 to the outside is reduced, and the heat exchange effect between the valve body 1 and the tail gas pipe 26 is ensured; when the electric telescopic rod 31 drives the first door 32 and the second door 33 to be away from each other, the first push rod 356 and the second push rod 357 loosen the extrusion on the first side sealing block 353 and the second side sealing block 354, the friction between the first side sealing block 353 and the second side sealing block 354 and the inner wall of the sliding groove 27 is reduced, so that the abrasion of the first side sealing block 353 and the second side sealing block 354 is reduced, and the service lives of the first side sealing block 353 and the second side sealing block 354 are prolonged.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (6)
1. A valve group used on a snow sweeper comprises a valve body (1) and a housing (2) fixed outside the valve body (1); the method is characterized in that: the top of the valve body (1) is provided with a plurality of heat exchange fins (11); a temperature sensor (12) is fixed on the valve body (1); the top of the housing (2) is provided with a heat exchange port (21); a fan (22) is rotationally connected in the heat exchange port (21); a motor (23) for driving the fan (22) to rotate is fixed on one side of the heat exchange port (21); a filter screen (24) is fixed outside the heat exchange port (21); a closed cavity (25) is arranged above the heat exchange port (21); a tail gas pipe (26) is inserted in the closed cavity (25); and a sealing device (3) is arranged at the bottom of the sealing cavity (25).
2. A valve block for a snow sweeper as claimed in claim 1, wherein: a post rod (241) is inserted on the filter screen (24); the column rod (241) is rotatably connected with a cleaning rod (242); the bottom surface of the cleaning rod (242) is attached to the top surface of the filter screen (24); curved surfaces (243) are arranged on two sides of the cleaning rod (242); clamping grooves (244) are formed in two ends of the cleaning rod (242); the top surface of the filter screen (24) is provided with a plurality of soft rubber columns (245); the soft rubber column (245) is embedded into the clamping groove (244).
3. A valve block for a snow sweeper as claimed in claim 2, wherein: the top surface of the filter screen (24) is in a cone shape with a high middle part and a low periphery; and a dust collecting groove (246) is formed in the periphery of the filter screen (24).
4. A valve block for a snow sweeper as claimed in claim 1, wherein: the sealing device (3) comprises an electric telescopic rod (31) fixed to the top of the housing (2), a first sealing door (32) fixed to one end of the electric telescopic rod (31), a second sealing door (33) located at one end of the first sealing door (32), a transmission part (34) used for enabling the first sealing door (32) and the second sealing door (33) to synchronously move, and a sealing part (35) used for sealing the first sealing door (32) and the second sealing door (33).
5. A valve block for a snow sweeper as claimed in claim 4, wherein: the transmission part (34) comprises first racks (341) respectively arranged at two sides of the first sealing door (32), gears (342) rotatably connected to the top of the housing (2) and respectively meshed with the two first racks (341), and second racks (343) respectively arranged at two sides of the second sealing door (33); the two second racks (343) are respectively meshed with the two gears (342); sliding grooves (27) are formed in the two sides of the top of the closed cavity (25); the first sealing door (32) and the second sealing door (33) are connected between the two sliding chutes (27) in a sliding mode.
6. A valve block for a snow sweeper as claimed in claim 5, wherein: a first slot (36) is formed in one end, close to the second sealing door (33), of the first sealing door (32); a second slot (37) is formed in one end, close to the first sealing door (32), of the second sealing door (33); the sealing component (35) comprises a middle sealing block (351) which is connected in a sliding way in the first slot (36) and one end of which is inserted into the second slot (37), an elastic piece (352) which is fixed between the middle sealing block (351) and the first slot (36), a first side sealing block (353) which is fixed on the periphery of the first sealing door (32) and a second side sealing block (354) which is fixed on the periphery of the second sealing door (33); the first side sealing block (353) and the second side sealing block (354) are abutted against the inner wall of the sliding groove (27); cavities (355) are formed in the first side sealing block (353) and the second side sealing block (354); the first side sealing block (353) is connected with the middle sealing block (351) through a first push rod (356); a second push rod (357) is arranged on the second side sealing block (354); the end of the second push rod (357) is inserted into the second slot (37) and contacts the middle sealing block (351).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260877.9U CN216812337U (en) | 2021-12-23 | 2021-12-23 | Valve group for snow sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260877.9U CN216812337U (en) | 2021-12-23 | 2021-12-23 | Valve group for snow sweeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812337U true CN216812337U (en) | 2022-06-24 |
Family
ID=82056070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123260877.9U Active CN216812337U (en) | 2021-12-23 | 2021-12-23 | Valve group for snow sweeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812337U (en) |
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2021
- 2021-12-23 CN CN202123260877.9U patent/CN216812337U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240527 Address after: No. 5, 1st Floor, Building G, Jinxing Garden, Bincai Xingcheng, Limin Development Zone, Harbin City, Heilongjiang Province, 150000 RMB Patentee after: Harbin Boshi Electric Power Engineering Co.,Ltd. Country or region after: China Address before: 310000 floor 1, building 1, No. 6, Baimahu Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Mingyu Hydraulic Technology Co.,Ltd. Country or region before: China |