Combined air spacer

Abstract

The utility model belongs to the technical field of air spacers, and particularly relates to a combined air spacer which comprises a mounting block, the bottom end of the mounting block is fixedly connected with an inflator pump, the outer wall of the mounting block is in threaded connection with a mounting knob, and the bottom end of the mounting knob abuts against a pressing ring vertically sliding on the outer wall of the mounting block. An air bag is arranged at the connecting position of the pressing ring and the inflator pump, an air outlet is fixedly connected to the bottom end of the inflator pump, and an inflation spring is fixedly connected to the inner wall of the air outlet. During assembling, the mounting knob rotates, the air bag is driven by the pressing ring to be tightly attached to the outer wall of the inflator pump, rapid assembling operation of the air spacer is achieved, and the sealing performance of the air bag can be improved. The inflation line moves to drive the movable hole in the outer wall of the valve body to be communicated with the inflation hole in the outer wall of the air outlet, so that high-pressure air stored in the inflator pump is smoothly injected into the air bag, the air bag expands to be attached to the inner wall of the blast hole, and air interval operation of the blast hole is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air spacer technical field, concretely is a combined air spacer. BACKGROUND

[0002] Air spacer has the advantages of reducing explosive unit consumption, reducing root bottom, reducing blast hole explosion pressure, reducing even avoiding mine rock impact crushing caused by coupling charge, expanding the range of fracture zone, and improving the effective utilization rate of explosive blasting energy, thereby reducing the explosive unit consumption, and is widely used in mine blasting.

[0003] After searching, the patent with publication number CN221859378U discloses an air spacer, which comprises an air nozzle, a connecting assembly, a limiting piece and an air bag, the air bag can expand with the increase of the transmission amount of the input gas. The utility model discloses a connecting assembly and a limiting piece are arranged, the limiting piece can be driven to move while the air bag continuously expands, finally the tail end of the limiting piece is in contact with the hole wall of the open deep hole, the movement angle is limited and friction is generated, the limiting piece bears part of the pressure, the risk of sliding down and being pressed and exploded of the air spacer is reduced, the safety of blasting operation is effectively improved, the problem that the existing air spacer is easily slid down under the pressure of the upper charge column and the blockage in the use process is solved, and the air spacer has wide market prospect.

[0004] However, the air bag is easy to leak air due to the inflation cylinder being easily touched by mistake during transportation. SUMMARY

[0005] The utility model discloses a combined air spacer can avoid air bag leakage.

[0006] Therefore, the utility model provides a combined air spacer, which comprises a mounting block, an inflation cylinder fixedly connected to the bottom end of the mounting block, a mounting knob threadedly connected to the outer wall of the mounting block, a compression ring vertically sliding with the outer wall of the mounting block and abutting against the bottom end of the mounting knob, an air bag arranged at the connecting part of the compression ring and the inflation cylinder, an air outlet fixedly connected to the bottom end of the inflation cylinder, an inflation spring fixedly connected to the inner wall of the air outlet, a valve body fixedly connected to the bottom end of the inflation spring, a movable hole formed in the outer wall of the valve body, an inflation hole formed in the outer wall of the air outlet, an inflation line fixedly connected to the top end of the valve body, and a wire storage fixedly connected to the top end of the mounting block.

[0007] Based on the above structure, the installation knob is rotated, the air bag is closely attached to the outer wall of the inflator through the compression ring, the quick assembly operation of the air spacer is realized, the sealing performance of the air bag is improved, the staff pulls the inflation line, the inflation line moves, the movable hole of the valve body outer wall is connected with the inflation hole of the gas outlet outer wall, the high pressure gas stored in the inflator is smoothly injected into the air bag, the air bag is inflated and attached to the inner wall of the blast hole, and the air spacing operation of the blast hole is realized.

[0008] Preferably, the air bag forms a sealing structure between the compression ring and the inflator, in the embodiment, the installation knob is rotated, the air bag is closely attached to the outer wall of the inflator through the compression ring, the quick assembly operation of the air spacer is realized, and the sealing performance of the air bag is improved.

[0009] Preferably, the valve body is cylindrical in shape, and the movable hole and the inflation hole correspond one by one, in the embodiment, the inflation line moves, the movable hole of the valve body outer wall is connected with the inflation hole of the gas outlet outer wall, the high pressure gas stored in the inflator is smoothly injected into the air bag, the air bag is inflated and attached to the inner wall of the blast hole, and the air spacing operation of the blast hole is realized.

[0010] Preferably, the bottom end of the air bag is threadedly connected with a positioning seat, the bottom end of the positioning seat is fixedly connected with a counterweight, the inner wall of the positioning seat is fixedly connected with a positioning spring, the bottom end of the positioning spring is fixedly connected with a connecting hole plate, the slot of the connecting hole plate is movably connected with a telescopic column, one end of the telescopic column is fixedly connected with a positioning plate, the top end of the connecting hole plate is embedded with a trigger slot, the inner wall of the trigger slot and the positioning seat is fixedly connected with a trigger spring, the outer wall of the trigger slot is embedded with a trigger block, and the top end of the trigger block is provided with a trigger line, in the embodiment, the trigger line moves, the trigger block drives the trigger slot to slide along the inner wall of the positioning seat, the trigger slot is separated from the top end of the connecting hole plate, then the positioning spring drives the connecting hole plate to slide through the elastic force of itself, the connecting hole plate drives the positioning plate to be attached to the inner wall of the blast hole through the telescopic column, and the positioning operation of the air bag is realized.

[0011] Preferably, the positioning plate is arc-shaped in shape, and the counterweight is inverse conical in shape, in the embodiment, the positioning spring drives the connecting hole plate to slide through the elastic force of itself, the connecting hole plate drives the positioning plate to be attached to the inner wall of the blast hole through the telescopic column, the positioning operation of the air bag is realized, and the inverse conical shape of the counterweight is convenient for driving the air bag to move to the air spacing position in the blast hole.

[0012] Preferably, the connecting hole plate is provided with four groups, and the four groups of connecting hole plates are equiangularly distributed in a circle about the central axis of the positioning spring, in the embodiment, the four groups of connecting hole plates are provided, which is convenient for realizing the stable attachment operation of the positioning plate and the blast hole.

[0013] Preferably, the cross section of the trigger slot and the trigger block is triangular, in the embodiment, the trigger line moves, drives the trigger slot to slide along the inner wall of the positioning seat through the trigger block, so that the trigger slot is separated from the top end of the connecting hole plate, and the positioning spring drives the connecting hole plate to slide through the elastic force of the positioning spring, so that the positioning plate is attached to the inner wall of the blast hole through the telescopic column.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a pressure ring is arranged, when assembling, the installation knob rotates, the outer wall of the air bag and the inflator is closely attached to through the pressure ring, realizes the quick assembly operation of air spacer, is favorable to improving the sealing performance of the air bag, the inflation line moves, drives the movable hole of the valve body outer wall and the inflation hole of the gas outlet outer wall to be connected, so that the high pressure gas in the inflator is smoothly injected into the air bag, the air bag expands and is attached to the inner wall of the blast hole, realizes the air spacing operation of the blast hole.

[0016] 2. The utility model discloses a positioning plate is arranged, the trigger line moves, drives the trigger slot to slide along the inner wall of the positioning seat through the trigger block, so that the trigger slot is separated from the top end of the connecting hole plate, and then the positioning spring drives the connecting hole plate to slide through the elastic force of the positioning spring, so that the positioning plate is attached to the inner wall of the blast hole through the telescopic column, realizes the positioning operation of the air bag. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the sectional structure schematic diagram of the air bag of the utility model;

[0019] Figure 3 It is the sectional structure schematic diagram of the valve body of the utility model;

[0020] Figure 4 It is the internal structure schematic diagram of the positioning seat of the utility model;

[0021] Figure 5 It is Figure 4 The enlarged structure schematic diagram of A place in the middle.

[0022] In the drawing: 1, mounting block;2, inflator;3, installation knob;4, pressure ring;5, air bag;6, gas outlet;7, inflation spring;8, valve body;9, movable hole;10, inflation hole;11, inflation line;12, place line;13, positioning seat;14, counterweight;15, positioning spring;16, connecting hole plate;17, telescopic column;18, positioning plate;19, trigger slot;20, trigger spring;21, trigger block;22, trigger line. PREFERRED EMBODIMENT

[0023] The following combines the drawings of the utility model with the specific embodiments of the utility model. Figure 1- Figure 5 The utility model is further described in detail.

[0024] In the utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better describing the utility model and its embodiments, and are not used for limiting the indicated devices, elements or components to necessarily have a specific orientation, or to be constructed and operated in a specific orientation.

[0025] The utility model discloses a combined air spacer, including mounting block 1, the bottom fixed connection of mounting block 1 has the inflation cylinder 2, the outer wall of mounting block 1 is connected with the installation knob 3, the bottom of installation knob 3 abuts with the compression ring 4 that slides vertically with the outer wall of mounting block 1, the connecting part of compression ring 4 and inflation cylinder 2 is provided with air bag 5, the bottom fixed connection of inflation cylinder 2 has the gas outlet 6, the inner wall fixed connection of gas outlet 6 has the inflation spring 7, the bottom fixed connection of inflation spring 7 has the valve body 8, the outer wall of valve body 8 is set up and has the movable hole 9, the outer wall of gas outlet 6 is set up and has the inflation hole 10, the top fixed connection of valve body 8 has the inflation line 11, the top fixed connection of mounting block 1 has the line 12 of placing.

[0026] Based on the above structure, installation knob 3 rotates, and air bag 5 is tightly attached to the outer wall of inflation cylinder 2 by compression ring 4, so that the air spacer is quickly assembled, and the sealing performance of air bag 5 is improved.

[0027] In one embodiment, air bag 5 forms a sealing structure between compression ring 4 and inflation cylinder 2.

[0028] In this embodiment, installation knob 3 rotates, and air bag 5 is tightly attached to the outer wall of inflation cylinder 2 by compression ring 4, so that the air spacer is quickly assembled, and the sealing performance of air bag 5 is improved.

[0029] In one embodiment, valve body 8 has a cylindrical shape, and movable hole 9 and inflation hole 10 correspond one-to-one.

[0030] In this embodiment, inflation line 11 moves, movable hole 9 on the outer wall of valve body 8 and inflation hole 10 on the outer wall of gas outlet 6 are connected, high-pressure gas stored in inflation cylinder 2 is smoothly injected into air bag 5, air bag 5 expands and is attached to the inner wall of the blast hole, and air spacing operation on the blast hole is realized.

[0031] In one embodiment, the bottom end of the air bag 5 is threadedly connected with a positioning seat 13, the bottom end of the positioning seat 13 is fixedly connected with a counterweight 14, the inner wall of the positioning seat 13 is fixedly connected with a positioning spring 15, the bottom end of the positioning spring 15 is fixedly connected with a connecting hole plate 16, the slot of the connecting hole plate 16 is movably connected with a telescopic column 17, one end of the telescopic column 17 is fixedly connected with a positioning plate 18, the top end of the connecting hole plate 16 is embedded with a trigger slot 19, the inner wall of the positioning seat 13 is fixedly connected with a trigger spring 20, the outer wall of the trigger slot 19 is embedded with a trigger block 21, and the top end of the trigger block 21 is provided with a trigger line 22.

[0032] In the embodiment, the trigger line 22 moves, the trigger block 21 drives the trigger slot 19 to slide along the inner wall of the positioning seat 13, the trigger slot 19 is separated from the top end of the connecting hole plate 16, then the positioning spring 15 drives the connecting hole plate 16 to slide under the action of the self elastic force, the connecting hole plate 16 slides through the telescopic column 17 to drive the positioning plate 18 to be attached to the inner wall of the blast hole, and the positioning operation of the air bag 5 is realized.

[0033] In one embodiment, the outer shape of the positioning plate 18 is arc-shaped, and the outer shape of the counterweight 14 is inverted conical.

[0034] In the embodiment, the positioning spring 15 drives the connecting hole plate 16 to slide through the self elastic force, so that the positioning plate 18 is attached to the inner wall of the blast hole through the telescopic column 17, and the positioning operation of the air bag 5 is realized; the counterweight 14 is set as inverted conical, so that the air bag 5 is conveniently moved to the air interval position in the blast hole.

[0035] In one embodiment, the connecting hole plate 16 is provided with four groups, and the four groups of connecting hole plates 16 are equiangularly distributed in a circle about the central axis of the positioning spring 15.

[0036] In the embodiment, the four groups of connecting hole plates 16 are set, which is conducive to realizing the stable attachment operation of the positioning plate 18 and the blast hole.

[0037] In one embodiment, the cross section of the trigger slot 19 and the trigger block 21 is triangular.

[0038] In the embodiment, the trigger line 22 moves, the trigger block 21 drives the trigger slot 19 to slide along the inner wall of the positioning seat 13, the trigger slot 19 is separated from the top end of the connecting hole plate 16, the positioning spring 15 drives the connecting hole plate 16 to slide under the action of the self elastic force, and the connecting hole plate 16 slides through the telescopic column 17 to drive the positioning plate 18 to be attached to the inner wall of the blast hole.

[0039] When the utility model is used, firstly, the installation knob 3 is rotated, the installation knob 3 is rotated, the air bag 5 is tightly attached to the outer wall of the inflator 2 through the pressing ring 4, and the quick assembly operation of the air spacer is realized.

[0040] Then, pull the placing line 12, place the air bag 5 in the blast hole, under the action of the weight 14 self gravity, drive the air bag 5 to move to the air interval position in the blast hole, then pull the trigger line 22, the trigger line 22 movement, through the trigger block 21 drive the trigger slot 19 along the inner wall of the positioning seat 13 sliding, so that the trigger slot 19 and the top end of the connecting hole plate 16 is separated, then the positioning spring 15 through the self elastic force drive the connecting hole plate 16 sliding, through the telescopic column 17 drive the positioning plate 18 and the inner wall of the blast hole fit, realize the positioning operation of the air bag 5.

[0041] Finally, pull the inflating line 11, the inflating line 11 movement, drive the movable hole 9 of the valve body 8 outer wall and the inflating hole 10 of the air outlet 6 outer wall are communicated, so that the high pressure gas stored in the inflator 2 is smoothly injected into the air bag 5, the air bag 5 inflation and the inner wall of the blast hole fit, realize the air interval operation of the blast hole.

[0042] The above shows and describes the basic principle, main features and advantages of the present application. The skilled in the art should understand that the present application is not limited by the above examples, the above examples and the description described in the specification are only preferred examples of the present application, and are not intended to limit the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A combined air gap, characterized in that, The device includes an installation block (1), an air cylinder (2) is fixedly connected to the bottom end of the installation block (1), an installation knob (3) is threadedly connected to the outer wall of the installation block (1), a pressure ring (4) that slides vertically against the outer wall of the installation block (1) is abutted to the bottom end of the installation knob (3), an air bag (5) is provided at the connection between the pressure ring (4) and the air cylinder (2), an air outlet (6) is fixedly connected to the bottom end of the air cylinder (2), an air spring (7) is fixedly connected to the inner wall of the air outlet (6), a valve body (8) is fixedly connected to the bottom end of the air spring (7), an movable hole (9) is opened on the outer wall of the valve body (8), an air inlet (10) is opened on the outer wall of the air outlet (6), an air line (11) is fixedly connected to the top end of the valve body (8), and a placement line (12) is fixedly connected to the top end of the installation block (1).

2. The combined air gap according to claim 1, characterized in that: The airbag (5) forms a sealed structure between the pressure ring (4) and the inflation cylinder (2).

3. The combined air gap according to claim 1, characterized in that: The valve body (8) is cylindrical in shape, and the movable hole (9) and the air inlet (10) correspond one-to-one.

4. The combined air gap according to claim 1, characterized in that: The bottom end of the airbag (5) is threaded with a positioning seat (13), the bottom end of the positioning seat (13) is fixedly connected with a counterweight (14), the inner wall of the positioning seat (13) is fixedly connected with a positioning spring (15), the bottom end of the positioning spring (15) is fixedly connected with a connecting hole plate (16), a telescopic column (17) is movably connected in the groove of the connecting hole plate (16), one end of the telescopic column (17) is fixedly connected with a positioning plate (18), the top end of the connecting hole plate (16) is fitted with a trigger slot (19), the trigger slot (19) is fixedly connected with the inner wall of the positioning seat (13) with a trigger spring (20), the outer wall of the trigger slot (19) is fitted with a trigger block (21), and the top end of the trigger block (21) is provided with a trigger wire (22).

5. The combined air gap according to claim 4, characterized in that: The positioning plate (18) is arc-shaped, and the counterweight (14) is inverted cone-shaped.

6. The combined air gap according to claim 4, characterized in that: The connecting hole plate (16) is provided in four sets, and the four sets of connecting hole plates (16) are distributed in an equal-angled circular pattern about the central axis of the positioning spring (15).

7. The combined air gap according to claim 4, characterized in that: The cross-sections of the trigger slot (19) and the trigger block (21) are triangular.

Images