CN219101408U

CN219101408U - Negative pressure device for improving gas utilization rate

Info

Publication number: CN219101408U
Application number: CN202223550866.9U
Authority: CN
Inventors: 郭君柳
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a negative pressure device for improving the utilization rate of gas, and belongs to the technical field of negative pressure devices; including the negative pressure suction device main part, the top of negative pressure suction device main part is provided with the connector, the top of connector is provided with the suction tube, the lateral wall of connector is provided with the discharging pipe, the inside of negative pressure suction device main part, connector, suction tube and discharging pipe all communicates each other, the inside of negative pressure suction device main part is provided with the connecting rod, the bottom of connecting rod runs through the negative pressure suction device main part and extends to the external world. According to the utility model, the baffle plate is driven to move in the suction process of the negative pressure suction device main body, and the baffle plate is separated from the suction pipe in the suction process, so that gas can enter the negative pressure suction device main body, and when the gas is discharged, the baffle plate is attached to the suction pipe, so that the gas enters other places through the discharge pipe, and the gas discharge effect is better.

Description

Negative pressure device for improving gas utilization rate

Technical Field

The utility model relates to the technical field of negative pressure devices, in particular to a negative pressure device for improving the utilization rate of gas.

Background

In the coal mine safety production process, the gas is extracted in advance, so that an effective way for solving the problem that the gas affects the coal mine safety production is generally to directly extend a pipeline into a gas hole of a coal mine, then the negative pressure device is extracted, the gas in the pipeline is extracted by the negative pressure device, and then the gas is conveyed through another pipeline of the negative pressure device, so that the gas conveying is completed.

However, the existing negative pressure device is simpler in structure, in the process of sucking, gas enters the negative pressure device from the inlet, and then pushes gas in the negative pressure device, so that the gas moves to another place for storage through the outlet, but when pushing the gas, the gas can be divided into two parts, and enters the inlet and the outlet respectively, so that the utilization rate of the negative pressure device is affected, and the negative pressure device is more inconvenient to use.

Disclosure of Invention

The utility model aims to solve the defects of the prior art in the background technology, and provides a negative pressure device for improving the gas utilization rate.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an improve negative pressure device of gas utilization ratio, includes the negative pressure suction device main part, the top of negative pressure suction device main part is provided with the connector, the top of connector is provided with the suction pipe, the lateral wall of connector is provided with the discharging pipe, the inside of negative pressure suction device main part, connector, suction pipe and discharging pipe all communicates each other, the inside of negative pressure suction device main part is provided with the connecting rod, the bottom of connecting rod runs through the negative pressure suction device main part and extends to the external world, and the bottom of connecting rod is provided with the connecting plate, the bottom of connector is provided with the bracing piece, the inside of connector is provided with the baffle, the baffle cup joints the outside at the bracing piece;

the connecting rod that can make the inside of negative pressure suction device main part is at the in-process of extraction, and the inside negative pressure suction device main part forms negative pressure and drives the suction tube and draw the inside of negative pressure suction device main part to the gas extraction, and this baffle takes place to remove simultaneously, can make the suction tube be in open condition, and when promoting the connecting rod, this baffle receives pressure and can close to make the gas all enter into other places through the discharging pipe and accomplish the storage, increased the extraction efficiency of gas.

Preferably, a rubber pad is arranged at the top end of the baffle plate, the rubber pad is in a truncated cone shape, and the rubber pad is mutually matched with the inner wall of the suction pipe;

can make the baffle drive the rubber pad and seal suction tube department for sealed effect is better, avoids the condition that gas takes place to leak.

Preferably, the outer part of the supporting rod is sleeved with a pressure spring, one end of the pressure spring is fixedly connected with the baffle, and the other end of the pressure spring is fixedly connected with the inner wall of the connector;

the baffle can be supported, so that the baffle is in an open state at ordinary times, and the main body of the negative pressure suction device can conveniently suck the gas.

Preferably, the end part of the supporting rod penetrates through the baffle plate and extends to the lower part of the baffle plate, and the end part of the supporting rod is provided with a round block;

the baffle plate can be limited in movement, and the baffle plate is prevented from being separated, so that the baffle plate is better in use effect.

Preferably, the side walls of the connecting plates are provided with connecting blocks, the side walls of the connecting blocks are provided with mounting rods, and the mounting rods are positioned on the side walls of the connecting blocks;

the mounting rod can be limited on the connecting plate, the situation that the connecting plate is inclined after being pulled out is avoided, and then the stability of the connecting plate is better.

Preferably, a servo motor is arranged on one side wall of the connector, far away from the discharging pipe, a threaded rod is arranged at the output end of the servo motor, a sliding head is arranged at the end part of the mounting rod, and the sliding head is sleeved outside the threaded rod;

the servo motor can be made to rotate and drive the threaded rod to drive the sliding head to move, so that the installation rod drives the connecting plate to move through the connecting block, and the connecting rod can be driven to reciprocate better after the connecting plate moves, so that the use effect of the negative pressure suction device main body is further improved.

Preferably, the lengths of the mounting rod, the threaded rod and the connecting rod are the same, and the threaded rod and the mounting rod are arranged in a staggered manner;

the threaded rod can be enabled to drive the mounting rod to move so that the connecting rod is completely opened, and meanwhile, the connecting rod can be prevented from being separated from the inside of the negative pressure suction device main body.

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

1. according to the utility model, the baffle plate is driven to move in the suction process of the negative pressure suction device main body, and the baffle plate is separated from the suction pipe in the suction process, so that gas can enter the negative pressure suction device main body, and when the gas is discharged, the baffle plate is attached to the suction pipe, so that the gas enters other places through the discharge pipe, and the gas discharge effect is better.

2. According to the utility model, the servo motor can drive the threaded rod to rotate, so that the threaded rod drives the mounting rod and the connecting block to move, and the connecting rod can reciprocate without manual reciprocation, thereby saving manpower and improving working efficiency.

Drawings

FIG. 1 is a schematic perspective view of a negative pressure device for improving gas utilization rate according to the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of FIG. 1;

FIG. 3 is a schematic view of the baffle of FIG. 1;

fig. 4 is a schematic view of a second view structure of the baffle of fig. 3.

In the figure: 1. a negative pressure suction device body; 2. a connector; 3. a suction tube; 4. a discharge pipe; 5. a connecting rod; 6. a connecting plate; 7. a connecting block; 8. a mounting rod; 9. a slider; 10. a servo motor; 11. a threaded rod; 12. a baffle; 13. a support rod; 14. a pressure spring; 15. and a rubber pad.

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.

Referring to a negative pressure device for improving gas utilization rate shown in fig. 1-4, a connector 2 is arranged at the top end of a negative pressure suction device main body 1, a suction pipe 3 is arranged at the top end of the connector 2, a discharge pipe 4 is arranged on the side wall of the connector 2, then the interiors of the negative pressure suction device main body 1, the connector 2, the suction pipe 3 and the discharge pipe 4 are communicated with each other, a connecting rod 5 is arranged in the negative pressure suction device main body 1, the bottom end of the connecting rod 5 penetrates through the negative pressure suction device main body 1 to the outside, a connecting plate 6 is arranged at the bottom end of the connecting rod 5, a supporting rod 13 is arranged at the bottom end of the connector 2, a baffle 12 is arranged in the connector 2, a rubber pad 15 is sleeved outside the supporting rod 13 at the baffle 12, the top end of the baffle 12 is arranged in a truncated cone shape, the rubber pad 15 is matched with the inner wall of the suction pipe 3, one end of the supporting rod 13 is sleeved with a pressure spring 14, one end of the pressure spring 14 is fixedly connected with the baffle 12, the other end of the pressure spring 14 is fixedly connected with the inner wall of the baffle 2, the end of the supporting rod 13 penetrates through the baffle 12 to the lower part of the connector 12, and a round end 13 is arranged at the end of the supporting rod 13.

To describe the connection board 6 in this embodiment specifically, please refer to fig. 2, a connection board 7 is disposed on a side wall of the connection board 6, meanwhile, a mounting rod 8 is disposed on a side wall of the connection board 7, and the mounting rod 8 is disposed on a side wall of the connection board 7, so that a servo motor 10 is disposed on a side wall of the connection board 2 far away from the discharging pipe 4, a threaded rod 11 is disposed at an output end of the servo motor 10, meanwhile, a sliding head 9 is disposed at an end portion of the mounting rod 8, and the sliding head 9 is sleeved on an outer portion of the threaded rod 11, and then lengths of the mounting rod 8, the threaded rod 11 and the connection rod 5 are the same, and the threaded rod 11 and the mounting rod 8 are staggered with each other.

Working principle: when the negative pressure suction device is used, the servo motor 10 starts to work through an external power supply, then the servo motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the sliding head 9 to move, the sliding head 9 drives the mounting rod 8 and the connecting block 7 to move, the connecting block 7 drives the connecting plate 6 and the connecting rod 5 to move, the connecting rod 5 drives the space inside the negative pressure suction device main body 1 to form negative pressure, the suction tube 3 extracts gas, and then the gas is moved to other positions through the discharging tube 4 to be stored, so that the labor pulling is saved, and the use effect of the negative pressure suction device main body 1 is improved.

Meanwhile, when the negative pressure suction device main body 1 is extracted, the baffle 12 is far away from the suction pipe 3, so that gas enters the negative pressure suction device main body 1 through the suction pipe 3, and when the connecting rod 5 is pushed, the gas can drive the baffle 12 to be attached to the suction pipe 3, so that the gas can be completely moved to other positions through the discharging pipe 4 for storage, and the extraction efficiency of the gas is better.

In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structure, the model and the coefficient index of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and redundant description is omitted.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the present utility model, unless otherwise indicated, the terms "about" and "front and back," inner and outer, and vertical levels, "etc., used herein are merely intended to refer to the orientation of the term in conventional use, or are colloquially known to those skilled in the art, and should not be construed as limiting the term, while the terms" first, "second," and "third," etc., do not denote a particular number or order, but are merely intended to be used in distinguishing between the terms, and the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a improve negative pressure device of gas utilization ratio, includes negative pressure suction device main part (1), a serial communication port, the top of negative pressure suction device main part (1) is provided with connector (2), the top of connector (2) is provided with suction tube (3), the lateral wall of connector (2) is provided with discharging pipe (4), the inside of negative pressure suction device main part (1), connector (2), suction tube (3) and discharging pipe (4) all communicates each other, the inside of negative pressure suction device main part (1) is provided with connecting rod (5), the bottom of connecting rod (5) runs through negative pressure suction device main part (1) and extends to the external world, and the bottom of connecting rod (5) is provided with connecting plate (6), the bottom of connector (2) is provided with bracing piece (13), the inside of connector (2) is provided with baffle (12), the outside at bracing piece (13) is cup jointed to baffle (12).

2. The negative pressure device for improving the gas utilization rate according to claim 1, wherein a rubber pad (15) is arranged at the top end of the baffle plate (12), the rubber pad (15) is in a truncated cone shape, and the rubber pad (15) is mutually matched with the inner wall of the suction pipe (3).

3. The negative pressure device for improving the utilization rate of gas according to claim 1, wherein a pressure spring (14) is sleeved outside the supporting rod (13), one end of the pressure spring (14) is fixedly connected with the baffle plate (12), and the other end of the pressure spring (14) is fixedly connected with the inner wall of the connector (2).

4. The negative pressure device for improving the utilization rate of gas according to claim 1, wherein the end part of the supporting rod (13) penetrates through the baffle plate (12) and extends to the lower part of the baffle plate (12), and the end part of the supporting rod (13) is provided with a round block.

5. The negative pressure device for improving the gas utilization rate according to claim 1, wherein the side walls of the connecting plates (6) are provided with connecting blocks (7), the side walls of the connecting blocks (7) are provided with mounting rods (8), and the mounting rods (8) are positioned on the side walls of the connecting blocks (7).

6. The negative pressure device for improving the gas utilization rate according to claim 5, wherein a servo motor (10) is arranged on a side wall of the connector (2) far away from the discharging pipe (4), a threaded rod (11) is arranged at the output end of the servo motor (10), a sliding head (9) is arranged at the end part of the mounting rod (8), and the sliding head (9) is sleeved outside the threaded rod (11).

7. The negative pressure device for improving the gas utilization rate according to claim 6, wherein the lengths of the installation rod (8), the threaded rod (11) and the connecting rod (5) are the same, and the threaded rod (11) and the installation rod (8) are arranged in a staggered manner.