CN216112246U

CN216112246U - Cold air valve transmission device

Info

Publication number: CN216112246U
Application number: CN202121828643.7U
Authority: CN
Inventors: 杨信忠
Original assignee: Qinhuangdao Xingang Metallurgical Valve Co ltd
Current assignee: Qinhuangdao Xingang Metallurgical Valve Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-22
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a cold air valve transmission device which comprises a fixed plate, a valve body and a valve, wherein a sealing chute is arranged on the inner surface of the valve body, the valve is arranged in the sealing chute, a communication hole A is formed in the position, close to the top end, in the valve, a communication hole B is formed in the valve, a sliding ring is arranged in the middle position of the top end of the fixed plate, a lead screw is inserted into the sliding ring, the bottom end of the lead screw is connected to the middle position of the top end of the valve, a corrugated hose is sleeved on the outer surface of the lead screw, which is located below the fixed plate, the top end of the fixed plate is provided with a housing, and a protective pipe is arranged in the middle position of the top end of the fixed plate. According to the utility model, dust and impurities can be prevented from falling into the transmission device of the cold air valve, so that the transmission device is prevented from being abraded, the lubricating effect of the transmission device is kept, the service life of the cold air valve is prolonged, the problem that the valve is not tightly sealed due to the dust accumulated in the valve body can be avoided, and the sealing effect of the cold air valve is kept.

Description

Cold air valve transmission device

Technical Field

The utility model relates to the technical field of cold air valves, in particular to a cold air valve transmission device.

Background

The cold air valve is the simplest cooling mode, and is characterized in that a cold air port is additionally arranged on an air pipe in front of an inlet of the dust remover, outside normal-temperature air is sucked into the pipeline and mixed with high-temperature flue gas, so that the temperature of the mixed flue gas is reduced to be below a set temperature, and the temperature of the flue gas entering the dust remover is ensured to be within the allowable temperature range of a filter material.

Through mass search, a typical cold air valve transmission device in the prior art, such as the one disclosed in the publication number CN204025855U, is found to have the advantages of simple structure, high strength and no deformation.

Transmission among current cold blast valve can accumulate a large amount of dusts and impurity thereby cause transmission to take place wearing and tearing in long-time use, has reduced cold blast valve's life, for this reason, we provide a cold blast valve transmission

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cold air valve transmission device which has the advantages of avoiding dust and impurities from falling into the transmission device of a cold air valve, avoiding the abrasion of the transmission device, simultaneously keeping the lubricating effect of the transmission device, prolonging the service life of the cold air valve, avoiding the untight sealing of the valve caused by the dust accumulated in the valve body and keeping the sealing effect of the cold air valve, and solving the problems that the transmission device in the existing cold air valve is abraded due to the accumulation of a large amount of dust and impurities in the long-time use process and the service life of the cold air valve is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cold blast valve transmission, includes fixed plate, valve body and valve, the valve body internal surface is equipped with sealed spout, sealed spout internally mounted has the valve, the inside top position department that is close to of valve is equipped with intercommunicating pore A, the inside intercommunicating pore B that is equipped with of valve, fixed plate top intermediate position department installs the sliding ring, the inside lead screw that has pegged graft of sliding ring, and the lead screw bottom is connected in valve top intermediate position department, the lead screw surface is located fixed plate below position department and has cup jointed corrugated hose, the housing is installed on the fixed plate top, fixed plate top intermediate position department installs the protective tube.

Preferably, the front surface and the rear surface of the valve body are symmetrically provided with connecting pipes.

Preferably, the number of the communication holes A is two, and the two communication holes A are symmetrically arranged at positions close to two sides of the top end in the valve.

Preferably, the number of the communication holes B is two, and the two communication holes B are symmetrically arranged at two sides of the interior of the valve.

Preferably, protection pipe top intermediate position department is equipped with the oil filler point, the inside plug of pegging graft of oil filler point has the sealing plug, the sealing plug surface has cup jointed the sealing ring near bottom position department.

Preferably, the supporting plates are symmetrically arranged on two sides of the bottom end of the fixing plate, and the tail ends of the supporting plates are connected to two sides of the valve body.

Preferably, the fan is installed to fixed plate top one side, the bleeder is installed to the fan output, communicating pipe is installed to bleeder bottom bilateral symmetry, and two communicating pipe end-to-end connection is in valve top both sides position department, one side that the housing deviates from the fan is equipped with the vent, vent internally mounted has the filter screen, the housing surface is located vent top position department and installs rain-proof cover.

Preferably, the rotating motor is installed on one side, deviating from the fan, of the top end of the fixing plate, the bevel gear B is installed at the output end of the rotating motor, the bevel gear A is sleeved on the outer surface of the lead screw, and the bevel gear A is meshed with the bevel gear B.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the protective pipe and the corrugated hose, dust and impurities can be prevented from falling into the transmission device of the cold air valve, so that the transmission device is prevented from being abraded, the lubricating effect of the transmission device is kept, the service life of the cold air valve is prolonged, the protective pipe and the corrugated hose can prevent external dust from falling onto the lead screw, lubricating grease can be injected into the protective pipe through the oil injection hole, and the lead screw, the conical gear A and the conical gear B can be kept in a lubricating state.

2. According to the utility model, through the arrangement of the fan, the communication holes A and the communication holes B, the effects of preventing the valve from being sealed untight due to dust accumulated in the valve body and maintaining the sealing effect of the cold air valve are achieved, the motor is rotated to work, so that the lead screw drives the valve to lift to complete the opening and closing of the cold air valve, and in the process of closing the valve, the fan works and supplies air to the two communication holes A and the two communication holes B to blow off the dust and impurities accumulated in the sealing sliding grooves in the inner surface of the valve body.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of C of FIG. 2 according to the present invention;

fig. 6 is a schematic top view of the valve body of the present invention.

In the figure: 1. a protective tube; 2. a housing; 3. a fixing plate; 4. a support plate; 5. a corrugated hose; 6. a valve body; 7. a connecting pipe; 8. rotating the motor; 9. a lead screw; 10. a branch pipe; 11. a through hole A; 12. a through hole B; 13. a valve; 14. a communicating pipe; 15. a fan; 16. a sealing plug; 17. a seal ring; 18. an oil filler hole; 19. a rain cover; 20. a vent; 21. filtering with a screen; 22. a bevel gear A; 23. a bevel gear B; 24. a slip ring; 25. and sealing the chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution of a transmission device of a cooling valve: the utility model provides a cold blast valve transmission, including fixed plate 3, valve body 6 and valve 13, connecting pipe 7 is installed to 6 front surface of valve body and back surface symmetry, connecting pipe 7 intercommunication outside pipe fitting, 6 internal surfaces of valve body are equipped with sealed spout 25, sealed spout 25 internally mounted has valve 13, valve 13 is inside to be equipped with intercommunicating pore A11 near top position department, the inside intercommunicating pore B12 that is equipped with of valve 13, 3 top intermediate position departments of fixed plate install sliding ring 24, backup pad 4 is installed to 3 bottom bilateral symmetry of fixed plate, and 4 end-to-end connection in 6 both sides positions departments of valve body in two backup pads.

A lead screw 9 is inserted into the slip ring 24, the bottom end of the lead screw 9 is connected to the middle position of the top end of the valve 13, a corrugated hose 5 is sleeved at the position, below the fixed plate 3, of the outer surface of the lead screw 9, the corrugated hose 5 is arranged to prevent external dust and impurities from falling into the surface of the lead screw 9 to cause abrasion of the lead screw 9, a housing 2 is installed at the top end of the fixed plate 3, a protective pipe 1 is installed at the middle position of the top end of the fixed plate 3, an oil filling hole 18 is formed in the middle position of the top end of the protective pipe 1, lubricating grease can be filled into the protective pipe 1 through the oil filling hole 18, so that the lead screw 9, a bevel gear A22 and a bevel gear B23 can be kept in a lubricating state, a sealing plug 16 is inserted into the oil filling hole 18, a sealing ring 17 is sleeved at the position, close to the bottom end of the outer surface of the sealing plug 16, a rotating motor 8 is installed at one side, which is far away from the fan 15, and a bevel gear B23 is installed at the output end of the rotating motor 8, the outer surface of the lead screw 9 is sleeved with a bevel gear A22, and the bevel gear A22 is meshed with a bevel gear B23.

Referring to fig. 2 to 6, the present invention provides a technical solution of a transmission device of a cooling valve: the utility model provides a cold blast valve transmission, which comprises a fixing plate 3, valve body 6 and

valve

13, 6 internal surfaces of valve body are equipped with sealed spout 25, sealed spout 25 internally mounted has valve 13, valve 13 is inside to be close to top position department and is equipped with intercommunicating pore A11, intercommunicating pore A11 is equipped with two altogether, and two intercommunicating pore A11 symmetry branches are located valve 13 is inside to be close to top both sides position department, valve 13 is inside to be equipped with intercommunicating pore B12, intercommunicating pore B12 is equipped with two altogether, and two intercommunicating pore B12 symmetry branches locate valve 13 inside both sides position department, sliding ring 24 is installed to 3 top intermediate position departments of fixed plate, the inside screw 9 that has been pegged graft of sliding ring 24, and screw 9 bottom end connection in 13 top intermediate position departments of valve, screw 9 surface is located 3 below positions of fixed plate and cup joints corrugated hose 5, housing 2 is installed on 3 tops of fixed plate.

Protective tube 1 is installed to 3 top intermediate positions departments of fixed plate, fan 15 is installed to 3 top one sides of fixed plate, in-process that valve 13 closed, fan 15 works and blows off the dust and the impurity that accumulate in the sealed spout 25 of valve body 6 internal surface to two intercommunicating pores A11 and two intercommunicating pores B12 inside air supplies, bleeder 10 is installed to fan 15 output, communicating pipe 14 is installed to bleeder 10 bottom bilateral symmetry, and two 14 end-to-end connections in 13 top both sides positions departments of communicating pipe, one side that housing 2 deviates from fan 15 is equipped with vent 20, vent 20 internally mounted has filter screen 21, rain-proof cover 19 is installed to housing 2 surface position in vent 20 top position department.

The working principle is as follows: when the device is arranged at a place needing to be used, the protective pipe 1 and the corrugated hose 5 can prevent external dust from falling onto the lead screw 9, lubricating grease can be injected into the protective pipe 1 through the oil injection hole 18, so that the lead screw 9, the bevel gear A22 and the bevel gear B23 can be kept in a lubricating state, the lead screw 9 is driven by the rotating motor 8 to lift the valve 13 to complete the opening and closing of the cold air valve, and in the closing process of the valve 13, the fan 15 works and supplies air into the two communicating holes A11 and the two communicating holes B12 to blow off the dust and impurities accumulated in the sealing sliding groove 25 on the inner surface of the valve body 6, so that the working flow of the device is completed.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold blast valve transmission, includes fixed plate (3), valve body (6) and valve (13), its characterized in that: valve body (6) internal surface is equipped with sealed spout (25), sealed spout (25) internally mounted has valve (13), valve (13) inside is close to top position department and is equipped with intercommunicating pore A (11), valve (13) inside is equipped with intercommunicating pore B (12), fixed plate (3) top intermediate position department installs sliding ring (24), sliding ring (24) inside is pegged graft and is had lead screw (9), and lead screw (9) bottom is connected in valve (13) top intermediate position department, lead screw (9) surface is located fixed plate (3) below position department and has cup jointed corrugated hose (5), housing (2) are installed on fixed plate (3) top, protective tube (1) are installed to fixed plate (3) top intermediate position department.

2. A cold air valve actuator according to claim 1, wherein: and the front surface and the rear surface of the valve body (6) are symmetrically provided with connecting pipes (7).

3. A cold air valve actuator according to claim 1, wherein: the two communicating holes A (11) are arranged, and the two communicating holes A (11) are symmetrically arranged at positions close to two sides of the top end inside the valve (13).

4. A cold air valve actuator according to claim 1, wherein: the two communicating holes B (12) are arranged, and the two communicating holes B (12) are symmetrically arranged at two sides inside the valve (13).

5. A cold air valve actuator according to claim 1, wherein: protection pipe (1) top intermediate position department is equipped with oil filler point (18), the inside plug-in connection of oil filler point (18) has sealing plug (16), sealing plug (16) surface is close to bottom position department and has cup jointed sealing ring (17).

6. A cold air valve actuator according to claim 1, wherein: backup pad (4) are installed to fixed plate (3) bottom bilateral symmetry, and two backup pad (4) end-to-end connection is in valve body (6) both sides position department.

7. A cold air valve actuator according to claim 1, wherein: fan (15) are installed to fixed plate (3) top one side, bleeder (10) are installed to fan (15) output, communicating pipe (14), and two are installed to bleeder (10) bottom bilateral symmetry communicating pipe (14) end-to-end connection in valve (13) top both sides position department, one side that housing (2) deviates from fan (15) is equipped with vent (20), vent (20) internally mounted has filter screen (21), housing (2) surface is located vent (20) top position department and installs rain-proof cover (19).

8. A cold air valve actuator according to claim 7, wherein: fixed plate (3) top deviates from one side of fan (15) and installs rotation motor (8), rotation motor (8) output is installed conical gear B (23), conical gear A (22) have been cup jointed to lead screw (9) surface, and conical gear A (22) and conical gear B (23) mesh mutually.