Novel gas drainage hose

Abstract

The utility model provides a novel gas drainage hose. The novel gas drainage hose comprises a hose body, a left connecting sleeve is installed on the outer wall of the left end of the hose body, a plurality of limiting blocks are evenly installed on the outer wall of the left connecting sleeve, an annular pipe is installed on the outer wall of the left end of the left connecting sleeve, and an air pump is installed on the outer wall of the right end of the left connecting sleeve. And an air suction head is mounted at an air inlet of the air pump. According to the novel gas drainage hose, through the interaction of the left connecting sleeve, the limiting block, the right connecting sleeve, the limiting groove, the annular ring, the limiting plate, the locking assembly and other assemblies, connection among a plurality of sets of hoses can become simple and efficient; the air pump is controlled to convey external air into the annular pipe through the air conveying pipe from the air suction head, so that the air is continuously expanded until the outer wall of the annular pipe completely blocks the inner wall of the annular groove, gas leakage is avoided, and the sealing performance of the joint of the left connecting sleeve and the right connecting sleeve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mines, in particular to a new type of gas drainage hose. Background Technique

[0002] Coal mine gas, also known as coal seam gas and coalbed methane, is a mixed gas composed of methane, carbon dioxide, nitrogen, etc. escaping from coal and surrounding rocks. Gas is a harmful factor in coal mine production. It not only pollutes the air, but also causes explosions and accidents when the gas content in the air is 5% - 16% and meets fire. In coal mine mining work, in order to avoid accidents, it is necessary to extract the gas in the coal mine, and a connecting hose for coal mine gas drainage is required.

[0003] There is a connecting hose for coal mine gas drainage with the Chinese patent publication number CN217683819U, including a hose; for the hose: right connecting sleeves are fixedly sleeved on the right end of the outer arc surface, grooves one are opened at the right ends of the right connecting sleeves, grooves two are opened on the left walls of the grooves one, annular grooves are opened on the left wall surfaces of the grooves two, cylindrical tubes two are evenly arranged on the left wall surfaces of the annular grooves, sliding columns two are slidably connected inside the cylindrical tubes two, the right ends of the sliding columns two on the same right connecting sleeve are fixedly connected with the left ends of a sealing gasket two, the outer arc surface of the sealing gasket two is slidably connected with the inner wall surface of the groove two, spring two are sleeved on the outer arc surfaces of the cylindrical tubes two, the left ends of the spring two are respectively fixedly connected with the left wall surfaces of the adjacent annular grooves, and the right ends of the spring two are respectively fixedly connected with the left ends of the adjacent sealing gasket two, which can keep the sealing gasket one and the sealing gasket two in close contact at all times.

[0004] During the fixing process of the hose of the above device, the sealing gasket one moves leftward with the left connecting sleeve into the inside of the groove two, and the sealing gasket one squeezes the sealing gasket two and the spring two leftward, compressing the spring two. Under the elastic force of the spring two, the sealing gasket one and the sealing gasket two can be kept in close contact at all times. At this time, there is a gap between the sealing gasket two and the groove two, resulting in the possibility of gas leakage.

[0005] Therefore, it is necessary to provide a new type of gas drainage hose to solve the above technical problems. Content of the Utility Model

[0006] The utility model provides a new type of gas drainage hose, which solves the problem that there is a gap between the sealing gasket two and the groove two, resulting in the possibility of gas leakage.

[0007] To solve the above technical problems, the novel gas drainage hose provided by the utility model includes: a hose, a left connecting sleeve is installed on the outer wall of the left end of the hose, a plurality of groups of limiting blocks are evenly installed on the outer wall of the left connecting sleeve, an annular pipe is installed on the outer wall of the left end of the left connecting sleeve, an air pump is installed on the outer wall of the right end of the left connecting sleeve, a suction head is installed at the air inlet of the air pump, a gas transmission pipe is installed between the air pump and the annular pipe, a right connecting sleeve is installed on the outer wall of the right end of the hose, an annular groove is opened near the inner wall of the hose at the right end of the right connecting sleeve, a plurality of groups of limiting grooves are evenly opened on the side wall of the right end of the right connecting sleeve away from the hose, an annular ring is rotatably connected to the outer wall of the right connecting sleeve, a plurality of groups of limiting plates are evenly installed on the side wall of the right end of the annular ring, and a locking component is installed between the outer wall of the right connecting sleeve and the annular ring.

[0008] Preferably, the locking component includes a rectangular block, the rectangular block is fixedly installed on the outer wall of the right connecting sleeve, a circular hole is opened on the side wall of the right connecting sleeve, and a groove is opened on the side wall of the right end of the annular ring.

[0009] Preferably, a limiting rod is slidably connected to the inner wall of the circular hole, the right end of the limiting rod is inserted and connected to the groove, a handle is installed at the end of the limiting rod outside the left end of the circular hole, and a spring is installed between the handle and the rectangular block, and the spring is sleeved outside the limiting rod.

[0010] Preferably, a plurality of groups of gas detection devices are evenly installed on the outer wall of the right side of the left connecting sleeve near the connection with the right connecting sleeve, an alarm lamp is installed on the outer wall of the hose, and the alarm lamp is electrically connected to the gas detection device.

[0011] Preferably, sealing rings are provided outside the left connecting sleeve and the right connecting sleeve near the air outlet of the hose.

[0012] Preferably, both the limiting groove and the limiting block are T-shaped.

[0013] Compared with the related art, the novel gas drainage hose provided by the utility model has the following beneficial effects:

[0014] The utility model provides a novel gas drainage hose. Through the interaction of components such as the left connecting sleeve, the limiting block, the right connecting sleeve, the limiting groove, the annular ring, the limiting plate and the locking component, the connection between several groups of hoses can be made simple and efficient;

[0015] Control the air pump to transport the external air to the inside of the annular pipe through the suction head through the gas transmission pipe, so that it continuously expands until the outer wall of the annular pipe completely blocks the inner wall of the annular groove, and there will be no gas leakage, improving the sealing performance at the connection between the left connecting sleeve and the right connecting sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Structural schematic diagram of a preferred embodiment of the novel gas drainage hose provided by the present utility model;

[0017] Figure 2 For Figure 1 Structural schematic diagram of the internal structure of the hose shown;

[0018] Figure 3 For Figure 1 Structural schematic diagram of the limiting block structure shown;

[0019] Figure 4 For Figure 2 Enlarged schematic diagram of part A shown;

[0020] Figure 5 For Figure 2 Enlarged schematic diagram of part B shown.

[0021] Reference numerals in the figure: 1, hose; 2, left connecting sleeve; 3, limiting block; 4, gas detection device; 5, air pump; 6, suction head; 7, alarm lamp; 8, limiting plate; 9, right connecting sleeve; 10, limiting groove; 11, annular ring; 12, annular pipe; 13, locking assembly; 131, groove; 132, rectangular block; 133, round hole; 134, limiting rod; 135, spring; 136, handle; 14, annular groove; 15, gas transmission pipe. Detailed implementation manners

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein, Figure 1 Structural schematic diagram of a preferred embodiment of the novel gas drainage hose provided by the present utility model; Figure 2 For Figure 1 Structural schematic diagram of the internal structure of the hose shown; Figure 3 For Figure 1 Structural schematic diagram of the limiting block structure shown; Figure 4 For Figure 2 Enlarged schematic diagram of part A shown; Figure 5 For Figure 2Schematic enlarged view of part B shown. The new gas drainage hose includes: a hose 1, on the outer wall of the left end of the hose 1, a left connecting sleeve 2 is installed, on the outer wall of the left connecting sleeve 2, several groups of limit blocks 3 are evenly installed, on the outer wall of the left end of the left connecting sleeve 2, an annular tube 12 is installed, the annular tube 12 is made of elastic material, on the outer wall of the right end of the left connecting sleeve 2, an air pump 5 is installed, at the air inlet of the air pump 5, a suction head 6 is installed, between the air pump 5 and the annular tube 12, an air delivery pipe 15 is installed, on the outer wall of the right end of the hose 1, a right connecting sleeve 9 is installed, near the inner wall of the right end of the right connecting sleeve 9 and close to the hose 1, an annular groove 14 is provided, the annular groove 14 is in fitting contact with the annular tube 12, on the side wall of the right end of the right connecting sleeve 9 and away from the hose 1, several groups of limit grooves 10 are evenly provided, on the outer wall of the right connecting sleeve 9, an annular ring 11 is rotatably connected, on the side wall of the right end of the annular ring 11, several groups of limit plates 8 are evenly installed, the inner walls of several groups of limit plates 8 on the annular ring 11 outside one group of the right connecting sleeve 9 are in fitting contact with the outer wall of the right end of the other group of the left connecting sleeve 2, between the outer wall of the right connecting sleeve 9 and the annular ring 11, a locking component 13 is installed.

[0024] The locking component 13 includes a rectangular block 132, the rectangular block 132 is fixedly installed on the outer wall of the right connecting sleeve 9, a circular hole 133 is provided on the side wall of the right connecting sleeve 9, and a groove 131 is provided on the side wall of the right end of the annular ring 11.

[0025] The inner wall of the circular hole 133 is slidably connected with a limit rod 134, the right end of the limit rod 134 is inserted and connected with the groove 131, at the end of the limit rod 134 outside the left end of the circular hole 133, a handle 136 is installed, between the handle 136 and the rectangular block 132, a spring 135 is installed, the spring 135 is sleeved outside the limit rod 134, by pulling the limit rod 134 outwards through the handle 136, the right end of the limit rod 134 is made to leave the inside of the groove 131, thereby releasing the rotation limit of the limit rod 134 on the annular ring 11, when it is necessary to limit the rotation of the annular ring 11, align the limit rod 134 with the groove 131 and release the handle 136, and the spring 135 can automatically drive the limit rod 134 to insert into the inside of the groove 131.

[0026] On the outer wall of the right side of the left connecting sleeve 2 and near the connection with the right connecting sleeve 9, several groups of gas detection devices 4 are evenly installed, on the outer wall of the hose 1, an alarm lamp 7 is installed, the alarm lamp 7 is electrically connected with the gas detection devices 4, when the gas detection devices 4 detect gas leakage at the connection between the left connecting sleeve 2 and the right connecting sleeve 9, the alarm lamp 7 will give an alarm to remind the staff.

[0027] Sealing rings are provided outside both the left connecting sleeve 2 and the right connecting sleeve 9 near the air outlet of the hose 1.

[0028] The limiting groove 10 and the limiting block 3 are both T-shaped.

[0029] The working principle of the novel gas drainage hose provided by the present utility model is as follows: When gas drainage is required, the hose 1 is needed for transportation work. When assembling this hose 1, first place the right connection sleeve 9 of one hose 1 and the left connection sleeve 2 of another hose 1 horizontally. Then, the limiting block 3 on the outer wall of the left connection sleeve 2 is aligned with and inserted into the limiting groove 10 on the side wall of the right connection sleeve 9, so that the gas outlets of the two groups of hoses 1 are aligned. Then, rotate the annular ring 11 so that the limiting plate 8 on the annular ring 11 rotates to the outside of the inlet end of the limiting groove 10, thereby preventing the limiting block 3 from disengaging from the limiting groove 10. Then, lock the annular ring 11 through the locking assembly to make it stop rotating. Finally, control the air pump 5 to send the external air through the air suction head 6 to the inside of the annular pipe 12 through the air delivery pipe 15, so that it continuously expands until the outer wall of the annular pipe 12 completely blocks the inner wall of the annular groove 14, ensuring good sealing at the connection between the left connection sleeve 2 and the right connection sleeve 9 and preventing gas leakage.

[0030] Compared with the related art, the novel gas drainage hose provided by the present utility model has the following beneficial effects:

[0031] Through the interaction of components such as the left connection sleeve 2, the limiting block 3, the right connection sleeve 9, the limiting groove 10, the annular ring 11, the limiting plate 8, and the locking assembly 13, the connection between several groups of hoses 1 can be made simple and efficient.

[0032] Control the air pump 5 to send the external air through the air suction head 6 to the inside of the annular pipe 12 through the air delivery pipe 15, so that it continuously expands until the outer wall of the annular pipe 12 completely blocks the inner wall of the annular groove 14, preventing gas leakage and improving the sealing performance at the connection between the left connection sleeve 2 and the right connection sleeve 9.

[0033] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A new type of gas extraction hose, characterized in that: include: A hose, a left connecting sleeve is installed on the outer wall of the left end of the hose, and several groups of limit blocks are evenly installed on the outer wall of the left connecting sleeve, an annular tube is installed on the outer wall of the left end of the left connecting sleeve, an air pump is installed on the outer wall of the right end of the left connecting sleeve, a suction head is installed at the air inlet of the air pump, and an air delivery pipe is installed between the air pump and the annular tube, a right connecting sleeve is installed on the outer wall of the right end of the hose, an annular groove is opened at the right end of the right connecting sleeve close to the inner wall of the hose, and several groups of limit grooves are evenly opened on the side wall of the right end of the right connecting sleeve away from the hose, an annular ring is rotatably connected to the outer wall of the right connecting sleeve, and several groups of limit plates are evenly installed on the right end side wall of the annular ring, and a locking assembly is installed between the outer wall of the right connecting sleeve and the annular ring.

2. The novel gas extraction hose according to claim 1 is characterized in that: The locking assembly comprises a rectangular block, which is fixedly mounted on the outer wall of the right connecting sleeve. A circular hole is provided on the side wall of the right connecting sleeve, and a groove is provided on the right end side wall of the annular ring.

3. The new gas extraction hose according to claim 2 is characterized in that: The inner wall of the circular hole is slidably connected to a limiting rod, the right end of the limiting rod is plug-connected with the groove, a handle is installed at the end of the limiting rod outside the left end of the circular hole, a spring is installed between the handle and the rectangular block, and the spring is sleeved on the outside of the limiting rod.

4. The novel gas extraction hose according to claim 1 is characterized in that: Several groups of gas detection devices are evenly installed on the right side outer wall of the left connecting sleeve near the connection with the right connecting sleeve, and an alarm light is installed on the outer wall of the hose, and the alarm light is electrically connected to the gas detection device.

5. The novel gas extraction hose according to claim 1 is characterized in that: The left connecting sleeve and the right connecting sleeve are both provided with sealing rings outside the air outlet close to the hose.

6. The novel gas extraction hose according to claim 1 is characterized in that: The limiting groove and the limiting block are both T-shaped.

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