Large-flow high-pressure vehicle-mounted fire pump

Abstract

The utility model relates to the technical field of vehicle-mounted fire pumps, and discloses a large-flow high-pressure vehicle-mounted fire pump, which solves the problem of complicated operation caused by the fact that a solid filter needs to be detached and cleaned independently at present, and comprises a pump body, and a water inlet pipe and a water outlet pipe are fixedly mounted on two sides of the pump body respectively. An external pipe is arranged on the outer side of the water inlet pipe, a connecting mechanism is arranged between the external pipe and the water inlet pipe and comprises a fixed pipe fixed to the end, away from the pump body, of the water inlet pipe, a sealing ring is fixedly connected to the end, away from the water inlet pipe, of the fixed pipe, and the end, close to the water inlet pipe, of the external pipe is attached to the sealing ring; the outer side of the filter frame is fixedly connected with a U-shaped round rod, and the outer side of the U-shaped round rod is symmetrically and fixedly sleeved with two sleeve blocks; according to the utility model, when the external pipe is disassembled and assembled, the filter frame can be disassembled and assembled, so that the filter frame does not need to be independently disassembled and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vehicle-mounted fire pump, concretely is a high pressure type vehicle-mounted fire pump of large flow. BACKGROUND

[0002] The high pressure type vehicle-mounted fire pump of large flow refers to the fire pump installed on the vehicle, which has the characteristics of large flow and high pressure. The impeller in the pump body rotates to form negative pressure, which sucks water from the water suction pipe into the pump body, and then pushes the water to the water outlet through the impeller and increases the pressure of the water. According to the patent document with the authorized announcement number CN207740190U and the name "high pressure large flow long range fire pump", the sealing rubber ring is provided to prevent the phenomenon of water leakage of the fire pump during work. The water pressure booster is provided to increase the water pressure of the water inlet pipe. The fastening ring buckle is provided to make the connection between the internal water pipes of the fire pump more firm. The solid filter is provided to filter the solid substances in the water to prevent blockage. However, the following defects still exist:

[0003] The solid filter is provided to filter the impurities in the water, but the solid filter needs to be disassembled and cleaned separately, which leads to complicated operation. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high pressure type vehicle-mounted fire pump of large flow, which effectively solves the problem that the solid filter needs to be disassembled and cleaned separately, leading to complicated operation.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a high pressure type vehicle-mounted fire pump of large flow, comprising a pump body, the two sides of the pump body are respectively fixedly installed with a water inlet pipe and a water outlet pipe, the outer side of the water inlet pipe is provided with an external connecting pipe, and a connecting mechanism is arranged between the external connecting pipe and the water inlet pipe;

[0006] The connecting mechanism comprises a fixed pipe fixed to the end of the water inlet pipe away from the pump body, a sealing ring fixedly connected to the end of the fixed pipe away from the water inlet pipe, the end of the external connecting pipe close to the water inlet pipe is attached to the sealing ring, the inside of the fixed pipe is provided with a filter frame, the outer side of the filter frame is fixedly connected with a U-shaped round rod, the outer side of the U-shaped round rod is symmetrically fixedly sleeved with two sleeve blocks, the end of the fixed pipe away from the water inlet pipe is symmetrically fixedly connected with two positioning columns, the two sleeve blocks are movably sleeved on the outer sides of the two positioning columns, the inner side of the external connecting pipe is symmetrically fixedly connected with two abutting blocks, the two abutting blocks are movably sleeved on the outer sides of the two positioning columns, and the two abutting blocks are respectively attached to the sides of the two sleeve blocks away from the fixed pipe.

[0007] Preferably, the outer side of the fixed pipe is fixedly sleeved with a fixed ring, and the outer side of the external connecting pipe is symmetrically fixedly connected with two L-shaped plates, and the two L-shaped plates penetrate through the fixed ring.

[0008] Preferably, two L-shaped round rods are symmetrically and fixedly connected between the side of the fixed ring close to the water inlet pipe and the fixed pipe, the outer sides of the two L-shaped round rods are movably sleeved with sliders, the sides away from each other of the two sliders are fixedly connected with inserting rods, and the two L-shaped plates are provided with inserting holes, and the two inserting rods are inserted into the two inserting holes respectively.

[0009] Preferably, the outer side of the fixed pipe is movably sleeved with a movable ring located between the fixed ring and the water inlet pipe, the side close to the fixed ring of the movable ring is symmetrically and rotatably connected with two movable rods, and the ends away from the movable ring of the two movable rods are rotatably connected with the two sliders respectively.

[0010] Preferably, two connecting columns are symmetrically and fixedly connected between the fixed ring and the water inlet pipe, the movable ring is movably sleeved on the outer sides of the two connecting columns, two return springs are symmetrically and fixedly connected between the movable ring and the fixed ring, and the outer sides of the two connecting columns are sleeved with the two return springs respectively.

[0011] Preferably, the bottoms of the movable ring and the fixed ring are fixedly connected with a bottom block and a bottom plate respectively, the side close to the bottom plate of the bottom block is provided with a limiting groove, and the side close to the bottom block of the bottom plate is rotatably connected with a limiting plate matched with the limiting groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a movable ring, a connecting column, a return spring and a movable rod cooperate with each other, so that the two sliders can slide along the two L-shaped round rods, the inserting rod and the inserting hole, the L-shaped plate and the fixed ring cooperate with each other, so that the external connecting pipe can be fixed to the fixed pipe, the abutting block, the sleeve block, the positioning column and the U-shaped round rod cooperate with each other, so that the filter frame can be positioned in the fixed pipe to filter impurities in water, when the external connecting pipe is detached from the fixed pipe, the positioning of the filter frame is released, so that the filter frame can be detached and assembled when the external connecting pipe is detached and assembled, and the filter frame does not need to be detached and cleaned separately.

[0014] 2. The bottom plate, the limiting plate, the limiting groove and the bottom block cooperate with each other, so that the movable ring can be limited after moving, and then the two inserting rods can be fixed after moving close to each other, so that the two L-shaped plates can penetrate through the fixed ring. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is a structure schematic view of a high-pressure vehicle-mounted fire pump.

[0018] Figure 2 It is the connecting mechanism structural schematic view of the utility model;

[0019] Figure 3 It is the outer connecting pipe structural schematic view of the utility model;

[0020] Figure 4 It is the fixed pipe structural schematic view of the utility model;

[0021] Figure 5 It is the fixed ring and movable ring connecting structure schematic view of the utility model.

[0022] In the drawing: 1, pump body;2, connecting mechanism;201, fixed pipe;202, bottom block;203, limiting groove;204, limiting plate;205, bottom plate;206, L-shaped plate;207, fixed ring;208, movable ring;209, abutting block;2010, insertion hole;2011, sealing ring;2012, filter frame;2013, sleeve block;2014, U-shaped round rod;2015, positioning column;2016, connecting column;2017, movable rod;2018, insertion rod;2019, sliding block;2020, L-shaped round rod;2021, return spring;3, outer connecting pipe;4, water inlet pipe;5, water outlet pipe. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment one, by Figure 1 The utility model relates to a kind of high-pressure vehicle-mounted fire pump of large flow, including pump body 1, water inlet pipe 4 and water outlet pipe 5 are respectively fixedly installed on the two sides of pump body 1, the outer side of water inlet pipe 4 is equipped with outer connecting pipe 3, and connecting mechanism 2 is equipped between outer connecting pipe 3 and water inlet pipe 4.

[0025] Specifically, by Figures 2-5The connecting mechanism 2 comprises a fixed pipe 201 fixed to the water inlet pipe 4 away from the pump body 1, a sealing ring 2011 fixedly connected to the end of the fixed pipe 201 away from the water inlet pipe 4, the outer connecting pipe 3 close to the end of the water inlet pipe 4 abutting the sealing ring 2011, the inside of the fixed pipe 201 being provided with a filter frame 2012, the outside of the filter frame 2012 being fixedly connected with a U-shaped round rod 2014, the outside of the U-shaped round rod 2014 being symmetrically fixedly sleeved with two sleeve blocks 2013, the end of the fixed pipe 201 away from the water inlet pipe 4 being symmetrically fixedly connected with two positioning columns 2015, the two sleeve blocks 2013 being movably sleeved on the outside of the two positioning columns 2015, the inside of the outer connecting pipe 3 being symmetrically fixedly connected with two abutting blocks 209, the two abutting blocks 209 being movably sleeved on the outside of the two positioning columns 2015, respectively, and the two abutting blocks 209 abutting the side of the two sleeve blocks 2013 away from the fixed pipe 201, the outside of the fixed pipe 201 being fixedly sleeved with a fixed ring 207, the outside of the outer connecting pipe 3 being symmetrically fixedly connected with two L-shaped plates 206, the two L-shaped plates 206 penetrating through the fixed ring 207, the side of the fixed ring 207 close to the water inlet pipe 4 being symmetrically fixedly connected with two L-shaped round rods 2020 between the fixed pipe 201, the outside of the two L-shaped round rods 2020 being movably sleeved with sliding blocks 2019, the side of the two sliding blocks 2019 away from each other being fixedly connected with insertion rods 2018, the two L-shaped plates 206 being provided with insertion holes 2010, the two insertion rods 2018 being inserted into the two insertion holes 2010, respectively, the outside of the fixed pipe 201 being movably sleeved with a movable ring 208 between the fixed ring 207 and the water inlet pipe 4, the side of the movable ring 208 close to the fixed ring 207 being symmetrically rotatably connected with two movable rods 2017, the ends of the two movable rods 2017 away from the movable ring 208 being rotatably connected with the two sliding blocks 2019, respectively, the fixed ring 207 and the water inlet pipe 4 being symmetrically fixedly connected with two connecting columns 2016, the movable ring 208 being movably sleeved on the outside of the two connecting columns 2016, the movable ring 208 and the fixed ring 207 being symmetrically fixedly connected with two return springs 2021, the two return springs 2021 being sleeved on the outside of the two connecting columns 2016, respectively;

[0026] When in use, first place the filter frame 2012 in the fixed tube 201 so that the two sleeve blocks 2013 are respectively sleeved on the outside of the two positioning posts 2015, then slide the movable ring 208 along the two connecting posts 2016 and away from the fixed ring 207. At this time, the two return springs 2021 are stretched, and the two sliders 2019 are driven by the two movable rods 2017 to slide along the two L-shaped round rods 2020 respectively. At the same time, the two insertion rods 2018 are close to each other, and then the two L-shaped plates 206 are passed through the fixed ring 207 until the external tube 3 is fitted with the sealing ring 2011. At the same time, the two abutment blocks 209 are respectively sleeved on the outside of the two positioning posts 2015, and the two abutment blocks 209 are respectively abutted against the two sleeve blocks 2013, and then the movable ring 20 is released. 8. At this time, the two return springs 2021 reset and drive the movable ring 208 to slide along the two connecting columns 2016 and approach the fixed ring 207, and then drive the two sliders 2019 to slide along the two L-shaped round rods 2020 respectively through the two movable rods 2017. At the same time, the two insertion rods 2018 move away from each other until they are respectively inserted into the two insertion holes 2010, and the two L-shaped plates 206 are fixed to the fixed tube 201, completing the installation of the external tube 3 and the filter frame 2012. When the external tube 3 is removed from the fixed tube 201, the limiting effect on the filter frame 2012 can be released, so that the filter frame 2012 can be disassembled and cleaned from the inside of the fixed tube 201. Finally, when the external tube 3 is disassembled and assembled, the filter frame 2012 can be disassembled and assembled, and there is no need to disassemble and clean the filter frame 2012 separately.

[0027] Specifically, by Figure 2 The bottom of the movable ring 208 and the fixed ring 207 are fixedly connected to the bottom block 202 and the bottom plate 205 respectively. A limiting groove 203 is provided on the side of the bottom block 202 close to the bottom plate 205. A limiting plate 204 adapted to the limiting groove 203 is rotatably connected to the side of the bottom plate 205 close to the bottom block 202.

[0028] In the initial state, the limit plate 204 is vertically fitted with the bottom plate 205. First, slide the movable ring 208 along the two connecting columns 2016 and away from the fixed ring 207. At this time, the two return springs 2021 are stretched, and the two sliders 2019 are driven by the two movable rods 2017 to slide along the two L-shaped round rods 2020 respectively. At the same time, the two insertion rods 2018 approach each other, and then the limit plate 204 is rotated 90°, so that the movable ring 208 moves under the action of the elastic force of the two return springs 2021 until the limit plate 204 is inserted into the limit groove 203, fixing the position of the two insertion rods 2018, and finally the two L-shaped plates 206 can be passed through the fixed ring 207.

Claims

1. A high-pressure type vehicle-mounted fire pump of large flow rate, comprising a pump body (1), characterized in that: The pump body (1) is fixedly installed with an inlet pipe (4) and an outlet pipe (5) on both sides, respectively, an external connecting pipe (3) is arranged on the outer side of the inlet pipe (4), and a connecting mechanism (2) is arranged between the external connecting pipe (3) and the inlet pipe (4); The connecting mechanism (2) comprises a fixed pipe (201) fixed to the end of the inlet pipe (4) away from the pump body (1), a sealing ring (2011) fixedly connected to the end of the fixed pipe (201) away from the inlet pipe (4), the end of the external connecting pipe (3) close to the inlet pipe (4) is attached to the sealing ring (2011), the inside of the fixed pipe (201) is provided with a filter frame (2012), the outer side of the filter frame (2012) is fixedly connected with a U-shaped round rod (2014), the outer side of the U-shaped round rod (2014) is symmetrically fixedly sleeved with two sleeve blocks (2013), the end of the fixed pipe (201) away from the inlet pipe (4) is symmetrically fixedly connected with two positioning columns (2015), the two sleeve blocks (2013) are movably sleeved on the outer sides of the two positioning columns (2015), the inner side of the external connecting pipe (3) is symmetrically fixedly connected with two abutting blocks (209), the two abutting blocks (209) are movably sleeved on the outer sides of the two positioning columns (2015), and the two abutting blocks (209) are attached to the sides of the two sleeve blocks (2013) away from the fixed pipe (201), respectively.

2. A high-pressure type vehicle-mounted fire pump of large flow rate according to claim 1, characterized in that: The outer side of the fixed pipe (201) is fixedly sleeved with a fixed ring (207), and the outer side of the external connecting pipe (3) is symmetrically fixedly connected with two L-shaped plates (206), both of which penetrate through the fixed ring (207).

3. A high pressure type fire pump for vehicle according to claim 2, wherein: The side of the fixed ring (207) close to the inlet pipe (4) is symmetrically fixedly connected with two L-shaped round rods (2020) between the fixed pipe (201), the outer sides of the two L-shaped round rods (2020) are movably sleeved with sliding blocks (2019), the sides of the two sliding blocks (2019) away from each other are fixedly connected with insertion rods (2018), and the two insertion rods (2018) are inserted into two insertion holes (2010) on the two L-shaped plates (206), respectively.

4. A high pressure type fire pump for vehicle according to claim 1, wherein: The outer side of the fixed pipe (201) is movably sleeved with a movable ring (208) between the fixed ring (207) and the inlet pipe (4), the side of the movable ring (208) close to the fixed ring (207) is symmetrically rotatably connected with two movable rods (2017), and the ends of the two movable rods (2017) away from the movable ring (208) are rotatably connected with the two sliding blocks (2019), respectively.

5. A high pressure type fire pump for vehicle according to claim 2, wherein: The fixed ring (207) and the inlet pipe (4) are symmetrically fixedly connected with two connecting columns (2016), the movable ring (208) is movably sleeved on the outer sides of the two connecting columns (2016), the movable ring (208) and the fixed ring (207) are symmetrically fixedly connected with two reset springs (2021), and the two reset springs (2021) are sleeved on the outer sides of the two connecting columns (2016).

6. A high pressure type fire pump for vehicle according to claim 4, wherein: The bottom of the movable ring (208) and the fixed ring (207) is fixedly connected with a bottom block (202) and a bottom plate (205) respectively, the side close to the bottom plate (205) of the bottom block (202) is provided with a limiting groove (203), and the side close to the bottom block (202) of the bottom plate (205) is rotatably connected with a limiting plate (204) matched with the limiting groove (203).

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