CN212131332U - Balanced normally closed valve body and industrial dust collector - Google Patents
Balanced normally closed valve body and industrial dust collector Download PDFInfo
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- CN212131332U CN212131332U CN202020359097.6U CN202020359097U CN212131332U CN 212131332 U CN212131332 U CN 212131332U CN 202020359097 U CN202020359097 U CN 202020359097U CN 212131332 U CN212131332 U CN 212131332U
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- valve body
- normally closed
- fan
- blade
- dust collector
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Abstract
The utility model discloses a balanced normally closed valve body and industrial dust collector belongs to the industrial dust removal field. A balanced normally closed valve body comprises a shell; the rotating piece is rotationally connected to the shell; the blade is fixedly connected to the rotating piece and used for plugging the valve body channel; the counterweight part is fixedly connected to the rotating part and is used for balancing the weight of the blade; the counterweight part comprises a counterweight rod and a counterweight block connected to the counterweight rod; the counterweight block is detachably connected to the counterweight rod; the valve body of the utility model can prevent the airflow of the pipe section from flowing backwards into the negative pressure type dust collector when the fan does not run, so as to avoid the reversal of the fan blade, and when the fan is started, the valve body blade is opened along with the wind power of the fan; ensuring the normal start of the fan; besides, the short circuit of the airflow in the dust remover is prevented, and the dust collection air quantity requirement of a workshop dust removal pipe network is guaranteed.
Description
Technical Field
The utility model relates to an industrial dust removal technical field especially relates to a balanced normal close formula valve body and industrial dust collector.
Background
At present, when a multi-fan set is used in a negative pressure type bag-type dust collector, one or more fans are started by the fans according to the air quantity requirement of the dust collector, and when the fans at a certain position are not started, airflow flows back into the dust collector from a pipeline of the fan due to the fact that the interior of the dust collector is in a negative pressure state; when the fan needs to be started, the fan cannot be started due to the blade inversion, even a circuit fault is caused, short flow of an air channel is caused, and the dust removal pipe network cannot achieve the required air volume; therefore, a pipeline valve is required to be arranged on an air outlet pipe of the dust remover, so that air flow in the air outlet pipe is prevented from flowing backwards into the dust remover; at present, a pneumatic butterfly valve is mostly used in an air outlet pipe, when a fan of the pipe section needs to be started, the matching between the opening time of the butterfly valve and the opening time of the fan is difficult, the butterfly valve is opened too early, airflow flows backwards into the fan, and the fan cannot be started; the butterfly valve is opened too late, and the butterfly valve blade opens violently under the drive of wind-force, causes the dangerous condition to take place easily, causes the cylinder to damage simultaneously easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of cylinder damage easily caused by the dangerous condition easily among the prior art, and a balanced normally closed valve body and industrial dust collector who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a balanced normally closed valve body comprises
A housing;
the rotating piece is rotationally connected to the shell;
the blade is fixedly connected to the rotating piece and used for plugging the valve body channel;
and the counterweight part is fixedly connected to the rotating part and is used for balancing the weight of the blade.
Preferably, the weight member includes a weight rod and a weight block connected to the weight rod.
Preferably, the counterweight block is detachably connected to the counterweight rod.
Preferably, a blade bracket is fixedly connected to the housing.
Preferably, the blade and the rotation piece are a set of, two the blade rotate through rotating the piece and connect the casing on, two the blade keep away from the one end that rotates the piece and can contact for shutoff valve body passageway.
Preferably, the two rotating parts are fixedly connected with swing arms, and connecting pieces are rotatably connected between the swing arms, so that the two blades can be opened and closed simultaneously.
Preferably, the connecting piece adopts a connecting rod, and two ends of the connecting rod are connected with the swing arm in a rotating manner.
The industrial dust collector comprises a dust collector body and the valve body, wherein the valve body is arranged on an air outlet pipe of the dust collector body.
Compared with the prior art, the utility model provides a balanced normally closed valve body and industrial dust collector possesses following beneficial effect:
1. the balance normally closed valve body and the industrial dust collector adopt the balance weight of the blades through the balance weight part, when the negative pressure type dust collector operates, if the fan does not operate, the blades of the valve body are in a normally closed state, airflow is prevented from flowing back into the dust collector from the air outlet pipe at the position, and if the fan needs to operate, the two blades are opened upwards along with the wind force of the fan; the valve body can prevent airflow of the pipe section from flowing backwards into the negative pressure type dust collector when the fan does not operate, so that the blades of the fan are prevented from reversing, and when the fan is started, the blades of the valve body are opened along with the wind power of the fan; ensuring the normal start of the fan; besides, the short circuit of the airflow in the dust remover is prevented, and the dust collection air quantity requirement of a workshop dust removal pipe network is guaranteed.
Drawings
Fig. 1 is one of the schematic structural diagrams of a balanced normally closed valve body according to the present invention;
fig. 2 is a schematic top view of a balanced normally closed valve body according to the present invention;
fig. 3 is one of the schematic structural diagrams of a balanced normally closed valve body according to the present invention;
fig. 4 is a schematic structural diagram of a balanced normally closed valve body shown in fig. 3;
fig. 5 is an opening dynamic diagram of a balanced normally closed valve body according to the present invention;
FIG. 6 is a front view of the industrial dust collector of the present invention;
fig. 7 is a side view of the industrial dust collector provided by the utility model.
In the figure: 1. a housing; 2. a rotating member; 3. a blade; 4. a counterweight; 401. a weight lever; 402. a balancing weight; 5. a blade bracket; 6. swinging arms; 7. a connecting member; 8. a dust collector body; 9. and an air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to FIGS. 1-7, a balanced normally closed valve body includes
A housing 1;
the rotating piece 2 is rotatably connected to the shell 1;
the blade 3 is fixedly connected to the rotating piece 2 and used for plugging the valve body channel;
and the balance weight part 4 is fixedly connected to the rotating part 2 and is used for balancing the weight of the blade 3.
The weight member 4 includes a weight rod 401 and a weight 402 connected to the weight rod 401.
The weight 402 is detachably attached to the weight rod 401.
A blade bracket 5 is fixedly connected to the housing 1.
Equal fixedly connected with swing arm 6 on two rotation pieces 2 rotates between two swing arms 6 and is connected with connecting piece 7 for two blades 3 can open simultaneously and close.
The connecting piece 7 adopts a connecting rod, and two ends of the connecting rod are rotationally connected with the swing arm 6.
An industrial dust collector comprises a dust collector body 8 and a valve body, wherein the valve body is arranged on an air outlet pipe 9 of the dust collector body 8.
The valve body is designed in a rectangular shape, the two blades 3 are welded on the respective rotating pieces 2, the rotating pieces 2 are rotating shafts, two ends of each rotating shaft are fixed at two ends of the shell 1 through bearings, blade brackets 5 are arranged below the blades 3 to prevent the blades 3 from rotating downwards, the rotating pieces 2 are connected with the swing arms 6, the swing arms 6 are connected through connecting pieces 7 to ensure that the blades 3 can be opened and closed simultaneously, one rotating piece is provided with a counterweight 4, the counterweight 4 mainly comprises a counterweight rod 401 and a counterweight block 402, the counterweight block 402 can be detachably connected on the counterweight rod 401 through threads, and the weight of the blades 3 is balanced to reduce the driving force required when the blades 3 are opened; the balance weight part 4 is the balance weight of the blades 3, when the negative pressure type dust remover operates, if the fan does not operate, the blades 3 of the valve body are in a normally closed state, airflow is prevented from flowing back into the dust remover from the air outlet pipe at the position, and if the fan needs to operate, the two blades are opened upwards along with the action of the wind force of the fan; the valve body can prevent airflow of the pipe section from flowing backwards into the negative pressure type dust collector when the fan does not operate, so that the fan blades 3 are prevented from reversing, and when the fan is started, the valve body blades 3 are opened along with the wind power of the fan; ensuring the normal start of the fan; besides, the short circuit of the airflow in the dust remover is prevented, and the dust collection air quantity requirement of a workshop dust removal pipe network is guaranteed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A balanced normally closed valve body is characterized by comprising
A housing (1);
the rotating piece (2) is rotationally connected to the shell (1);
the blade (3) is fixedly connected to the rotating piece (2) and used for plugging the valve body channel;
and the counterweight part (4) is fixedly connected to the rotating part (2) and is used for balancing the weight of the blade (3).
2. A balanced normally closed valve body according to claim 1, characterized in that the weight member (4) comprises a weight rod (401) and a weight (402) connected to the weight rod (401).
3. A balanced normally closed valve body according to claim 2, characterized in that the weight (402) is detachably connected to a weight rod (401).
4. A balanced normally closed valve body according to claim 1, characterized in that a blade carrier (5) is fixedly connected to the housing (1).
5. A balanced normally closed valve body according to claim 1, characterized in that the vanes (3) and the rotor (2) are in a set, two vanes (3) are rotatably connected to the housing (1) through the rotor (2), and one ends of the two vanes (3) far away from the rotor (2) can be contacted to block the valve body passage.
6. A balanced normally closed valve body according to claim 5, characterized in that swing arms (6) are fixedly connected to both said rotary members (2), and a connecting member (7) is rotatably connected between both said swing arms (6) so that both said vanes (3) can be opened and closed simultaneously.
7. A balanced normally closed valve body according to claim 6, characterized in that the connecting piece (7) is a connecting rod, and two ends of the connecting rod are rotatably connected with the swing arm (6).
8. An industrial dust collector, characterized by comprising a dust collector body (8) and the valve body of claim 1, wherein the valve body is arranged on an air outlet pipe (9) of the dust collector body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359097.6U CN212131332U (en) | 2020-03-20 | 2020-03-20 | Balanced normally closed valve body and industrial dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359097.6U CN212131332U (en) | 2020-03-20 | 2020-03-20 | Balanced normally closed valve body and industrial dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131332U true CN212131332U (en) | 2020-12-11 |
Family
ID=73670855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020359097.6U Active CN212131332U (en) | 2020-03-20 | 2020-03-20 | Balanced normally closed valve body and industrial dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131332U (en) |
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2020
- 2020-03-20 CN CN202020359097.6U patent/CN212131332U/en active Active
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