CN219155864U

CN219155864U - Powder pneumatic conveying pipeline switching valve

Info

Publication number: CN219155864U
Application number: CN202320285474.XU
Authority: CN
Inventors: 胡伟波; 高慧
Original assignee: Henan Ruideke Pneumatic Conveying Equipment Co ltd
Current assignee: Henan Ruideke Pneumatic Conveying Equipment Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-09
Anticipated expiration: 2033-02-22

Abstract

The utility model relates to the technical field of switching valves, in particular to a powder pneumatic conveying pipeline switching valve which comprises a shell, a rotating shaft and a valve core, wherein a first conveying pipeline is fixedly arranged on the valve core, a second conveying pipeline is fixedly arranged on the valve core on one side of the first conveying pipeline, a feeding pipe is fixedly arranged at the top end of the shell, a first discharging pipe is fixedly arranged at the bottom end of the shell, a second discharging pipe is fixedly arranged on one side of the shell, a blocking mechanism is arranged in the feeding pipe, the blocking mechanism comprises a hydraulic rod, the hydraulic rod is arranged in the feeding pipe, and a connecting plate is fixedly arranged at the output end of the hydraulic rod. According to the utility model, the blocking mechanism is arranged, the connecting plate and the blocking block are driven to move upwards through the output end of the hydraulic rod, and the through hole on the through hole sealing plate is blocked, so that the feeding pipe is blocked, and powder does not leak in the switching process, so that the problem that the switching valve is hard to rotate due to the fact that powder is easy to exist between the valve core and the shell during switching is avoided.

Description

Powder pneumatic conveying pipeline switching valve

Technical Field

The utility model relates to the technical field of switching valves, in particular to a powder pneumatic conveying pipeline switching valve.

Background

The powder pipeline switching valve is used for switching and shunting pipelines of granular materials such as flour, sand and the like.

The utility model discloses a grant bulletin number is CN212226077U, it records that rotary type powder pipeline switching valve be equipped with case slewing mechanism in the annular casing, annular casing side surface is equipped with case fixed establishment, case fixed establishment includes annular casing side surface's screw hole one, and screw hole one is equipped with a plurality of, and sealed lid is installed to annular casing both sides, and sealed lid side surface is close to the position of outer ring and is opened threaded hole two, and threaded hole two corresponds with the position of screw hole one, installs fixing bolt between screw hole one and the screw hole two, and sealed lid side surface center department installs the bearing.

The above-mentioned switching valve can realize the switching in the powder transportation process, but when using, because switch powder flows to before not carrying out the shutoff with the inlet pipe, the in-process inlet pipe of switching still can feed to there is powder easily between case and the casing, and the powder can increase the frictional force between case and the casing when rotating the switching valve, makes the switching valve of rotating hard, remains to improve, consequently, needs to design a powder pneumatic conveying pipeline switching valve in order to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a powder pneumatic conveying pipeline switching valve, which solves the problems that in the prior art, although the switching valve can realize switching in the powder conveying process, when the switching valve is used, as a feeding pipe is not plugged before powder flow is switched, the feeding pipe still can feed in the switching process, so that powder is easy to exist between a valve core and a shell, and when the switching valve is rotated, the powder can increase friction between the valve core and the shell, so that the rotating switching valve is hard to operate and needs to be improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a powder pneumatic conveying pipeline switching valve, comprising: casing, axis of rotation and case, fixed first pipeline that is provided with on the case, fixed second pipeline that is provided with on the case of first pipeline one side, the top fixed mounting of casing has the inlet pipe, the bottom fixed mounting of casing has first discharging pipe, one side fixed mounting of casing has the second discharging pipe, the inside of inlet pipe is provided with shutoff mechanism, shutoff mechanism includes the hydraulic stem, the hydraulic stem sets up in the inside of inlet pipe, fixed mounting has the connecting plate on the output of hydraulic stem, the top fixed mounting of connecting plate has the shutoff piece, fixed mounting has the through-hole closing plate on the inlet pipe at connecting plate top.

Preferably, the rotation shaft is arranged in the shell, the valve core is arranged on the rotation shaft, sealing plugs are inserted into openings of the first discharging pipe and the second discharging pipe, and one end of each sealing plug is fixedly provided with a connecting circular plate.

Preferably, the top end of the feeding pipe is fixedly provided with a communicated pore plate, and fastening bolts are arranged on two sides of the communicated pore plate in a threaded manner.

Preferably, one side of the connecting circular plate is fixedly connected with a connecting rope, and one end of the connecting rope, which is far away from the connecting circular plate, is fixedly connected to the first discharging pipe and the second discharging pipe.

Preferably, a nut is threadedly mounted on the outer surface of the fastening bolt.

Preferably, the bottom fixed mounting of hydraulic stem has the mounting panel, has evenly seted up the through-hole on the mounting panel, and the bottom fixed connection of hydraulic stem is on the mounting panel.

Preferably, a sealing ring is fixedly arranged on the connecting plate on the outer surface of the plugging block, and the sealing ring is made of rubber.

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

1. through being provided with shutoff mechanism, drive connecting plate and shutoff piece upward movement through the output of hydraulic stem, shutoff is carried out to the through-hole on the through-hole closing plate to make the inlet pipe plugged up, in order to ensure that the in-process of switching does not have the powder to spill, in order to avoid having the powder to lead to rotating the diverter valve hard easily between case and the casing when switching.

2. Through being provided with sealing plug and connection plectane, carry the powder after finishing, in inserting first discharging pipe and second discharging pipe with the sealing plug, seal first discharging pipe and second discharging pipe to first discharging pipe and second discharging pipe get into impurity when the device does not use.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic partial cross-sectional elevation view of the feed tube structure of the present utility model;

FIG. 4 is a schematic partial cross-sectional elevation view of the feed tube structure of the present utility model.

In the figure: 110. a housing; 111. a rotating shaft; 112. a valve core; 113. a first delivery conduit; 114. a second delivery conduit; 115. a feed pipe; 116. a first discharge pipe; 117. a second discharge pipe; 118. a sealing plug; 119. a connecting circular plate; 120. a connecting rope; 121. a phase connection pore plate; 122. a fastening bolt; 123. a nut; 200. a plugging mechanism; 210. a hydraulic rod; 211. a connecting plate; 212. a block; 213. a through hole sealing plate; 214. a seal ring; 215. and (3) mounting a plate.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, an embodiment of the present utility model is provided: a powder pneumatic conveying pipeline switching valve, comprising: the utility model uses the shell 110, the rotating shaft 111 and the valve core 112, all the electric appliances used in the utility model are of the type which can be purchased directly in the market, and the specific working principle is the prior art which is well known to the person skilled in the art, so the description is not given here, the valve core 112 is fixedly provided with a first conveying pipeline 113, the valve core 112 on one side of the first conveying pipeline 113 is fixedly provided with a second conveying pipeline 114, the top end of the shell 110 is fixedly provided with a feeding pipe 115, the bottom end of the shell 110 is fixedly provided with a first discharging pipe 116, one side of the shell 110 is fixedly provided with a second discharging pipe 117, the inside of the feeding pipe 115 is provided with a plugging mechanism 200, the plugging mechanism 200 comprises a hydraulic rod 210, the hydraulic rod 210 is arranged inside the feeding pipe 115, the output end of the hydraulic rod 210 is fixedly provided with a connecting plate 211, the top end of the connecting plate 211 is fixedly provided with a plugging block 212, when the device is used, the first conveying pipeline 113 or the second conveying pipeline 114 is communicated with the feeding pipe 115 through rotation of the valve core 112, as shown in fig. 1, the first conveying pipeline 113 is communicated with the feeding pipe 115, powder can be discharged through the first discharging pipe 116, as shown in fig. 2, the second conveying pipeline 114 is communicated with the feeding pipe 115, the powder can be discharged through the second discharging pipe 117, switching is achieved, the connecting plate 211 and the blocking block 212 are required to be driven to move upwards through the output end of the hydraulic rod 210 before switching, and the through holes in the through hole sealing plate 213 are blocked, so that the feeding pipe 115 is blocked, powder is prevented from leaking in the switching process, and the situation that a rotary switching valve is hard due to the fact that powder is easy to exist between the valve core 112 and the shell 110 during switching is avoided.

Further, the bottom fixed mounting of hydraulic stem 210 has mounting panel 215, has evenly seted up the through-hole on the mounting panel 215, and the bottom fixed connection of hydraulic stem 210 is on mounting panel 215, and after the shutoff piece 212 kept away from through-hole closing plate 213, no longer with the shutoff of through-hole closing plate 213, the powder spills through the hole on the through-hole closing plate 213, through the mounting panel 215 of setting for fixed hydraulic stem 210, so that stable the use.

Further, the sealing ring 214 is fixedly installed on the connecting plate 211 on the outer surface of the plugging block 212, the sealing ring 214 is made of rubber, and when the plugging block 212 plugs the through hole sealing plate 213, the sealing ring 214 is tightly attached to the through hole sealing plate 213, so that the sealing effect is better.

Example two

Compared with the first embodiment, referring to fig. 1-2, the rotary shaft 111 is arranged in the housing 110, the valve core 112 is mounted on the rotary shaft 111, the openings of the first discharging pipe 116 and the second discharging pipe 117 are respectively provided with a sealing plug 118 in an inserted manner, one end of the sealing plug 118 is fixedly provided with a connecting circular plate 119, after powder is conveyed, the sealing plug 118 is plugged into the first discharging pipe 116 and the second discharging pipe 117, and the first discharging pipe 116 and the second discharging pipe 117 are sealed, so that impurities are prevented from entering the first discharging pipe 116 and the second discharging pipe 117 when the device is not used.

Further, one side of the connecting circular plate 119 is fixedly connected with a connecting rope 120, one end, far away from the connecting circular plate 119, of the connecting rope 120 is fixedly connected to the first discharging pipe 116 and the second discharging pipe 117, the connecting rope 120 plays a role in connection, the connecting circular plate 119 is connected to the first discharging pipe 116 and the second discharging pipe 117 through the connecting rope 120, and therefore the sealing plug 118 is connected with the device, and the sealing plug 118 is prevented from being lost after being pulled out.

Example III

Compared with the first embodiment, referring to fig. 1-4, the top end of the feeding pipe 115 is fixedly provided with the connecting hole plate 121, both sides of the connecting hole plate 121 are provided with the fastening bolts 122 in a threaded manner, and the fastening bolts 122 are screwed into the connecting hole plate 121 to realize the butt joint fixation between the two feeding pipes 115, and the fastening bolts 122 are used for fixing firmly.

Further, a nut 123 is screwed on the outer surface of the fastening bolt 122, after the fastening bolt 122 is screwed into the corresponding hole plate 121, the nut 123 is screwed onto the fastening bolt 122, and the fastening bolt 122 and the nut 123 enable the connection position between the two feeding pipes 115 to be fixed firmly.

Working principle: when the device is used, the first conveying pipeline 113 or the second conveying pipeline 114 is mutually communicated with the feeding pipe 115 through the rotation of the valve core 112, as shown in fig. 1, the first conveying pipeline 113 is communicated with the feeding pipe 115, powder can be discharged through the first discharging pipe 116, as shown in fig. 2, the second conveying pipeline 114 is communicated with the feeding pipe 115, powder can be discharged through the second discharging pipe 117, switching is realized, before switching, the output end of the hydraulic rod 210 is required to drive the connecting plate 211 and the blocking block 212 to move upwards, the through hole on the through hole sealing plate 213 is blocked, so that the feeding pipe 115 is blocked, powder does not leak in the switching process, and the rotary switching valve is hard due to the fact that powder is easy to exist between the valve core 112 and the shell 110 during switching.

After powder is conveyed, the sealing plug 118 is plugged into the first discharging pipe 116 and the second discharging pipe 117, the first discharging pipe 116 and the second discharging pipe 117 are sealed, impurities are prevented from entering the first discharging pipe 116 and the second discharging pipe 117 when the device is not used, the two feeding pipes 115 are fixedly connected through screwing the fastening bolt 122 into the phase connection pore plate 121, the fastening bolts 122 are fixedly arranged, so that the device is used, after the fastening bolt 122 is screwed into the phase connection pore plate 121, the nuts 123 are screwed onto the fastening bolts 122, and the fastening bolts 122 and the nuts 123 enable the connection position between the two feeding pipes 115 to be fixedly arranged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a powder air conveying pipeline switching valve which characterized in that includes: casing (110), axis of rotation (111) and case (112), fixedly on case (112) be provided with first pipeline (113), fixedly on case (112) of first pipeline (113) one side be provided with second pipeline (114), top fixed mounting of casing (110) has inlet pipe (115), the bottom fixed mounting of casing (110) has first discharging pipe (116), one side fixed mounting of casing (110) has second discharging pipe (117), the inside of inlet pipe (115) is provided with shutoff mechanism (200), shutoff mechanism (200) include hydraulic stem (210), hydraulic stem (210) set up the inside at inlet pipe (115), fixed mounting has connecting plate (211) on the output of hydraulic stem (210), top fixed mounting of connecting plate (211) has shutoff piece (212), fixed mounting has through-hole closing plate (213) on inlet pipe (115) at connecting plate (211) top.

2. The powder pneumatic conveying pipeline switching valve according to claim 1, wherein: the rotation shaft (111) is arranged in the shell (110), the valve core (112) is arranged on the rotation shaft (111), sealing plugs (118) are inserted and arranged at openings of the first discharging pipe (116) and the second discharging pipe (117), and one end of each sealing plug (118) is fixedly provided with a connecting circular plate (119).

3. The powder pneumatic conveying pipeline switching valve according to claim 1, wherein: the top end of the feed pipe (115) is fixedly provided with a communicated pore plate (121), and both sides of the communicated pore plate (121) are provided with fastening bolts (122) in a threaded manner.

4. The powder pneumatic conveying pipeline switching valve according to claim 2, wherein: one side of the connecting circular plate (119) is fixedly connected with a connecting rope (120), and one end, far away from the connecting circular plate (119), of the connecting rope (120) is fixedly connected to the first discharging pipe (116) and the second discharging pipe (117).

5. A powder pneumatic conveying pipeline switching valve according to claim 3, wherein: a nut (123) is screwed on the outer surface of the fastening bolt (122).

6. The powder pneumatic conveying pipeline switching valve according to claim 1, wherein: the bottom of the hydraulic rod (210) is fixedly provided with a mounting plate (215), through holes are uniformly formed in the mounting plate (215), and the bottom end of the hydraulic rod (210) is fixedly connected to the mounting plate (215).

7. The powder pneumatic conveying pipeline switching valve according to claim 1, wherein: a sealing ring (214) is fixedly arranged on a connecting plate (211) on the outer surface of the plugging block (212), and the sealing ring (214) is made of rubber.