Coal mine self-rescuer air tightness inspection device
By designing the airtightness inspection device of the coal mine self-rescue device, the sliding and rebound mechanism of the airbag body and the urging mechanism inside the detector is solved, and the detection pressure problem caused by too small self-rescue device is achieved more efficient airtightness Test.
Patent Information
- Application Number
- CN202421143824.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-23
AI Technical Summary
During the inspection, the airtightness inspection device of the existing coal mine self-rescue device is too small, resulting in insufficient internal pressure of the airtightness detector, making it impossible to effectively complete the airtightness inspection.
A coal mine self-rescue airtightness inspection device is designed, including the airtightness inspection instrument body, torsion spring, pressure gland, airbag body, urging mechanism and connecting mechanism, which slides through the airbag body on the inner wall of the notch and is connected with the urging block. Cooperate with the spring, apply force to make the airbag body bounce back to its original position, compressing the internal space of the airtightness tester, and increasing the detection pressure.
It effectively improves the pressure inside the airtightness detector, ensures the accuracy and reliability of the detection results, and solves the problem of insufficient pressure caused by too small self-rescue device.
Smart Images
Figure CN222231954U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air tightness testing devices, in particular to an air tightness testing device for a coal mine self-rescuer. Background Art
[0002] Coal mine safety inspection refers to the regular inspection and monitoring of the internal environment, equipment and facilities, and staff of coal mines to ensure the safety and stability of the coal mine production and operation process. Among them, the coal mine self-rescuer is an emergency escape equipment used to deal with mine accidents. Its main function is to provide miners with the oxygen they need to breathe in a short period of time when emergencies such as fire and gas explosion occur in the mine.
[0003] At present, when conducting air tightness test on coal mine self-rescuer, it is generally necessary to use coal mine self-rescuer air tightness tester. At present, when using it, the coal mine self-rescuer is generally placed on the inner wall back cover of the air tightness tester and pressed. However, when using it at present, the coal mine self-rescuer is often too small, resulting in insufficient pressure inside the coal mine self-rescuer for air tightness tester. Therefore, a new type of coal mine self-rescuer air tightness tester is needed to solve the above problem. Utility Model Content
[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0005] A coal mine self-rescuer air tightness test device, comprising: an air tightness tester body, two torsion springs, a pressure cover is rotatably installed on the surface of the air tightness tester body through the two torsion springs, the inner wall of the pressure cover is provided with a slot, an air bag body is slidably inserted into the inner wall of the slot, and also includes a force-applying mechanism and a connecting mechanism, the force-applying mechanism is used to apply a force to the air bag body to keep it in place, and the connecting mechanism is used to connect the pressure cover to the surface of the air tightness tester body.
[0006] Furthermore, a rotating groove is provided on the surface of the airtightness tester body, a fixing rod is fixedly installed on the inner wall of the rotating groove, the gland is rotatably sleeved on the surface of the fixing rod, the two torsion springs are slidably sleeved on the surface of the fixing rod and one end is fixedly installed on both sides of the gland. The other ends of the two torsion springs are fixedly installed on both sides of the inner wall of the rotating groove.
[0007] Furthermore, the force-applying mechanism includes a force-applying groove opened on the inner wall of the slot, a force-applying block is slidably inserted into the inner wall of the force-applying groove, a plurality of springs are fixedly installed on the surface of the force-applying block, the other ends of the plurality of springs are fixedly installed on the inner wall of the slot, and the airbag body is fixedly installed on the surface of the force-applying block.
[0008] Furthermore, the connecting mechanism includes two protrusions respectively arranged on the surface of the airtightness tester body and the pressure cover, wherein a mounting plate is fixedly installed on the surface of one of the protrusions, a rubber column is rotatably inserted on the surface of the mounting plate, and a limiting plate is fixedly installed on one end of the rubber column.
[0009] Furthermore, a holding plate is fixedly mounted on the surface of the limiting plate.
[0010] The beneficial effects of the utility model are as follows:
[0011] 1. When the utility model is in use, the user places the coal mine self-rescuer on the inner wall of the air tightness tester body, rotates the pressure cover, places it on the top of the air tightness tester body, and then installs the pressure cover on the surface of the air tightness tester body through the connecting mechanism. The airbag will slide on the inner wall of the groove and fit on the surface of the coal mine self-rescuer, so that the space inside the air tightness tester body is compressed as much as possible, thereby effectively increasing the pressure inside the air tightness tester, and fully reflecting the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0013] Figure 2 It is a half-section view of the utility model;
[0014] Figure 3 It is a side view of the utility model;
[0015] Figure 4 It is a top view of the utility model.
[0016] Figure numerals: 1. Air tightness tester body; 2. Torsion spring; 3. Pressure cover; 4. Notch; 5. Airbag body; 6. Force-applying mechanism; 601. Force-applying groove; 602. Force-applying block; 603. Spring; 7. Connecting mechanism; 701. Protrusion; 702. Mounting plate; 703. Rubber column; 704. Limiting plate; 8. Rotating groove; 9. Fixing rod; 10. Holding plate. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.
[0018] The present application provides a coal mine self-rescuer air tightness testing device, which is mainly used to solve the problem that at present, when performing air tightness testing on coal mine self-rescuers, it is generally necessary to use a coal mine self-rescuer air tightness testing instrument. At present, when in use, the coal mine self-rescuer is generally placed on the inner wall rear cover of the air tightness testing instrument and pressed. However, when in use, the coal mine self-rescuer is often too small, resulting in insufficient pressure inside the coal mine self-rescuer air tightness testing instrument. The following technical solutions are provided, which will be combined with Figure 1-Figure 4 Make a detailed description:
[0019] A coal mine self-rescuer air tightness test device, comprising: an air tightness tester body 1, two torsion springs 2, a pressure cover 3 is rotatably installed on the surface of the air tightness tester body 1 through the two torsion springs 2, a notch 4 is opened on the inner wall of the pressure cover 3, and an air bag 5 is slidably inserted into the inner wall of the notch 4. When in use, the user places the coal mine self-rescuer inside the air tightness tester body, rotates the cover, presses the cover on the surface of the air tightness tester body, and installs the cover through a connecting mechanism 7. In this process, the air bag 5 is pressed on the inner wall of the coal mine self-rescuer, realizing the air tightness test of the inside of the air tightness tester body 1. The compression of the space, after the user pulls open the pressure cover 3, under the action of the force-applying mechanism 6, the airbag body 5 will rebound to its original position, wherein the two torsion springs 2 are installed as follows: a rotating groove 8 is provided on the surface of the airtightness tester body 1, and a fixing rod 9 is fixedly installed on the inner wall of the rotating groove 8, and at the same time, the pressure cover 3 is rotatably sleeved on the surface of the fixing rod 9, and the two torsion springs 2 are slidably sleeved on the surface of the fixing rod 9 and one end is fixedly installed on both sides of the pressure cover 3, and the other ends of the two torsion springs 2 are fixedly installed on both sides of the inner wall of the rotating groove 8, respectively. After the user releases the pressure cover 3, under the action of the two torsion springs 2, the pressure will be driven The cover 3 bounces back to its original position, wherein the main components of the force-applying mechanism 6 are: a force-applying block 602 fixedly mounted on the surface of the airbag body 5, and a force-applying groove 601 is provided on the inner wall of the notch 4, and the force-applying block 602 is slidably plugged into the inner wall of the force-applying groove 601. When in use, the airbag body 5 drives the force-applying block 602 to compress a plurality of springs 603 whose two ends are respectively fixedly mounted on the force-applying block 602 and the inner wall of the notch 4, so as to apply a force to the airbag to bounce back to its original position, thereby filling the airbag in the inner wall of the airtightness tester body, ensuring that the air pressure inside it reaches the standard air pressure, wherein the main components of the connecting mechanism 7 It is: two protrusions 701 respectively arranged on the surface of the airtightness tester body 1 and the pressure cover 3. The user rotates the pressure cover 3 and presses the pressure cover 3 on the surface of the airtightness tester body to make the two protrusions 701 fit each other. At the same time, a mounting plate 702 is fixedly installed on the surface of one of the protrusions 701, and a rubber column 703 is rotatably inserted on the surface of the mounting plate 702, and a limiting plate 704 is fixedly installed on one end of the rubber column 703. That is, the user rotates the limiting plate 704 and makes the limiting plate 704 fit on the surface of the protrusion 701, so that the connection between the pressure cover 3 and the airtightness tester body can be achieved.
[0020] When in use, the user places the coal mine self-rescuer on the inner wall of the air tightness tester body 1, rotates the pressure cover 3, places it on the top of the air tightness tester body 1, and then installs the pressure cover 3 on the surface of the air tightness tester body 1 through the connecting mechanism 7. The airbag body 5 will slide on the inner wall of the groove 4 and fit onto the surface of the coal mine self-rescuer, so that the space inside the air tightness tester body 1 is compressed as much as possible, thereby effectively increasing the pressure inside the air tightness tester, fully reflecting the practicality of the device.
[0021] like Figure 2 As shown, in some embodiments, in order to further optimize the solution, a holding plate 10 for rotating the limiting plate 704 is fixedly mounted on the surface of the limiting plate 704 .
[0022] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A coal mine self-rescuer air tightness testing device, characterized in that: include: The invention relates to an airtightness tester body (1) and two torsion springs (2). A pressure cover (3) is rotatably mounted on the surface of the airtightness tester body (1) via the two torsion springs (2). A slot (4) is provided on the inner wall of the pressure cover (3). An airbag body (5) is slidably inserted into the inner wall of the slot (4). The invention also includes a force-applying mechanism (6) and a connecting mechanism (7). The force-applying mechanism (6) is used to apply a force to the airbag body (5) to keep it in place. The connecting mechanism (7) is used to connect the pressure cover (3) to the surface of the airtightness tester body (1).
2. A coal mine self-rescuer air tightness testing device according to claim 1, characterized in that: A rotating groove (8) is provided on the surface of the airtightness tester body (1), a fixing rod (9) is fixedly installed on the inner wall of the rotating groove (8), the pressure cover (3) is rotatably sleeved on the surface of the fixing rod (9), the two torsion springs (2) are slidably sleeved on the surface of the fixing rod (9) and one end is fixedly installed on both sides of the pressure cover (3), and the other ends of the two torsion springs (2) are fixedly installed on both sides of the inner wall of the rotating groove (8).
3. The air tightness testing device for coal mine self-rescuer according to claim 1 is characterized in that: The force-applying mechanism (6) comprises a force-applying groove (601) provided on the inner wall of the slot (4); a force-applying block (602) is slidably inserted into the inner wall of the force-applying groove (601); a plurality of springs (603) are fixedly mounted on the surface of the force-applying block (602); the other ends of the plurality of springs (603) are fixedly mounted on the inner wall of the slot (4); and the airbag body (5) is fixedly mounted on the surface of the force-applying block (602).
4. The air tightness testing device for coal mine self-rescuer according to claim 1 is characterized in that: The connecting mechanism (7) comprises two protrusions (701) respectively arranged on the surface of the airtightness tester body (1) and the pressure cover (3), wherein a mounting plate (702) is fixedly mounted on the surface of one of the protrusions (701), a rubber column (703) is rotatably inserted on the surface of the mounting plate (702), and a limiting plate (704) is fixedly mounted on one end of the rubber column (703).
5. A coal mine self-rescuer air tightness testing device according to claim 4, characterized in that: A holding plate (10) is fixedly mounted on the surface of the limiting plate (704).