Fire pump structure for fire fighting truck

Abstract

The utility model discloses a fire pump structure for a fire fighting truck, which relates to the field of fire pumps and comprises a chassis, a sliding plate is vertically arranged at the bottom of the chassis, a shell is arranged at the bottom, far away from the chassis, of the sliding plate, a water tank is connected to the bottom, far away from the sliding plate, of the shell, and a clamping strip is vertically fixed to the top, close to the shell, of the water tank. Bolts are arranged at the connecting positions of the clamping strips and the shell, and a water inlet is formed in the top, close to the center of the shell, of the water tank in an outward protruding mode. A water source pumped out by the water pump is redistributed through the water tank and then flows out through the connector on the side face of the water tank, the water tank is connected with the shell through the clamping strip on the top, the top of the shell can be rotationally connected with the connecting plate in the horizontal direction through the rotating shaft, and when a fire hose is connected, the shell can be driven to rotate; the connector of the water tank faces the connecting direction, so that a fire hose on the connector is prevented from being bent at the position, and smooth water outlet is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of fire pumps, in particular to a fire pump structure for a fire truck. Background Art

[0002] A vehicle fire pump is a type of water pump used in firefighting. It is used by fire departments to transport various liquids. It is an indispensable equipment in the firefighting system of a fire truck. Generally, a vehicle fire pump is installed on the chassis of a fire truck.

[0003] The existing patent document with technical announcement number CN213540852U provides a fire pump structure for a fire truck. By setting a slide groove for horizontal movement and a fixed threaded hole on the chassis, the position adjustment of the vehicle water pump at the bottom of the fire truck is realized, so as to adapt to the spray direction adjustment at different positions of the rescue site. However, there are still the following disadvantages:

[0004] When the fire pump structure used in the existing fire truck is connected to the fire hose, it is not convenient to adjust the direction of the connection port, and the fire hose is easily bent at the connection position, thereby affecting the water source transportation of the fire hose. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a fire pump structure for a fire truck to solve the problem that the existing fire pump structure for a fire truck is not convenient to adjust the direction of the connection port during use, and the fire hose is easily bent at the connection position, thereby affecting the water source transportation of the fire hose.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire pump structure for a fire truck, comprising a chassis, a slide plate is vertically arranged at the bottom of the chassis, a shell is arranged at the bottom of the slide plate away from the chassis, a water tank is connected to the shell away from the bottom of the slide plate, a clamping strip is vertically fixed to the top of the water tank near the shell, a bolt is arranged at the connection between the clamping strip and the shell, a water inlet is protruding outward from the center top of the water tank near the shell, a filter frame is arranged at the top of the water inlet away from the water tank, two groups of filter screens are arranged at the center of the filter frame, and a sealing rubber ring is arranged at the connection between the filter frame and the water inlet;

[0007] A water pump is installed inside the shell, a water pipe is arranged on a side of the water pump close to the water tank, an end of the water pipe away from the water pump is connected to a water inlet connector, and the water inlet connector is threadedly connected to the water inlet.

[0008] Preferably, a first slide groove is provided at the connection between the bottom of the chassis and the slide plate, and the slide plate and the chassis are slidably connected via the first slide groove, and a sliding structure matching the first slide groove is provided on the top of the slide plate.

[0009] Preferably, the second sliding groove is distributed perpendicularly to the long side direction of the first sliding groove.

[0010] Preferably, a connecting plate is provided on the top of the shell, a rotating shaft is provided at the connection between the connecting plate and the shell, and the connecting plate and the shell are rotationally connected through the rotating shaft, and the cross-sectional shape and size of the rotating shaft are consistent with the internal cross-sectional shape and size of the second slide groove.

[0011] Preferably, a concave slot is provided at the connection between the side surface of the shell and the card strip, and the card slot of the shell and the card strip are plug-fitted and connected.

[0012] Preferably, a second slide groove is provided at the connection between the rotating shaft at the top of the connecting plate and the slide plate, and the second slide groove is arranged at the bottom of the slide plate, and the second slide groove at both ends of the slide plate is structurally closed.

[0013] Preferably, a connector is connected to the side of the water tank.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model redistributes the water source pumped out by the water pump by setting a water tank, and then flows out through the connector on the side of the water tank. The water tank is connected to the shell through the card strip on the top, and the top of the shell can be connected to the horizontal rotation of the connecting plate through the rotating shaft. When connecting the fire hose, the shell can be driven to rotate so that the connecting head of the water tank faces the connection direction, avoiding the fire hose on the connecting head from bending here, and ensuring smooth water outflow;

[0016] 2. The utility model can be quickly connected and installed by using a clamping strip between the water tank and the shell. The top of the water tank is connected to the water inlet connector through the water inlet, and a filter frame and a sealing rubber ring on the edge of the filter frame are provided at the connection. While filtering the water source, the sealing of the connection is also increased. After the water tank is removed, the filter frame can be removed separately, which is convenient for cleaning the filter frame and avoids clogging of the filter screen on the filter frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bottom structure of the chassis and the skateboard in the utility model;

[0019] Figure 3 It is a schematic diagram of the side cross-section structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] In the figure: 1. chassis; 101. first slide; 2. slide plate; 201. second slide; 3. shell; 301. connecting plate; 302. rotating shaft; 4. water tank; 401. clamping strip; 402. bolt; 403. connector; 404. water inlet; 5. filter frame; 501. filter screen; 6. sealing rubber ring; 7. water inlet connector; 8. water pipe; 9. water pump. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] See also Figure 1-4 , a fire pump structure for a fire truck, comprising a chassis 1, a first slide 101, a slide plate 2, a second slide 201, a shell 3, a connecting plate 301, a rotating shaft 302, a water tank 4, a clamping strip 401, a bolt 402, a connector 403, a water inlet 404, a filter frame 5, a filter screen 501, a sealing rubber ring 6, a water inlet connector 7, a water pipe 8, and a water pump 9. A slide plate 2 is vertically arranged at the bottom of the chassis 1, and a first slide 101 is arranged at the connection between the bottom of the chassis 1 and the slide plate 2, and the slide plate 2 and the chassis 1 are slidably connected through the first slide 101, so that the slide plate 2 can drive the shell 3 to move at the bottom of the chassis 1 to adjust the position of the shell 3, and the second slide 201 is vertically distributed with the long side direction of the first slide 101, so that the sliding slide plate 2 and the rotating shaft 302 can allow the shell 3 to move in the horizontal direction, which is convenient for adjusting the position of the shell 3;

[0025] See also Figure 1-4A fire pump structure for a fire truck, wherein a housing 3 is provided at the bottom of a slide plate 2 away from a chassis 1, a connecting plate 301 is provided at the top of the housing 3, a rotating shaft 302 is provided at the connection between the connecting plate 301 and the housing 3, and the connecting plate 301 and the housing 3 are rotatably connected via the rotating shaft 302, the housing 3 rotates at the bottom of the connecting plate 301 via the rotating shaft 302, and when connecting a connecting head 403 of a water tank 4, the connecting head 403 can also face the connection direction, so as to avoid bending of the fire hose when connected with the fire hose, the connecting plate A second slide groove 201 is provided at the connection between the rotating shaft 302 at the top of 301 and the slide plate 2, and the second slide groove 201 is arranged at the bottom of the slide plate 2, and the two ends of the second slide groove 201 on the slide plate 2 are closed. The second slide groove 201 allows the shell 3 to move in the horizontal direction through the rotating shaft 302, which is convenient for adjusting the position of the shell 3. A concave groove is provided at the connection between the side of the shell 3 and the card strip 401, and the card groove of the shell 3 is plug-in connected with the card strip 401, which facilitates the rapid connection of the water tank 4 with the shell 3 through the card strip 401.

[0026] See also Figure 1-4 A fire pump structure for a fire truck, wherein a water tank 4 is connected to the bottom of a housing 3 away from a slide plate 2, and a connector 403 is connected to the side of the water tank 4. The water tank 4 can be used to redistribute the water ejected by a water pump 9, and then flows out through the connector 403 to be connected to a fire hose;

[0027] A clamping strip 401 is vertically fixed to the top of the water tank 4 near the shell 3, and a bolt 402 is provided at the connection between the clamping strip 401 and the shell 3. A water inlet 404 is protruding outward from the center top of the water tank 4 near the shell 3. A filter frame 5 is provided at the top of the water inlet 404 away from the water tank 4. Two groups of filter screens 501 are provided at the center of the filter frame 5. A sealing rubber ring 6 is provided at the connection between the filter frame 5 and the water inlet 404.

[0028] See also Figure 1-4 A fire pump structure for a fire truck, a water pump 9 is installed inside a shell 3, a water pipe 8 is arranged on the side of the water pump 9 close to a water tank 4, an end of the water pipe 8 away from the water pump 9 is connected to a water inlet connector 7, and the water inlet connector 7 is threadedly connected to the water inlet 404.

[0029] Working principle: When in use, water can be pumped out through the water pump 9 inside the shell 3. A water tank 4 is provided at the bottom of the shell 3 of the device. The water tank 4 can redistribute the water source pumped out by the water pump 9, and then flow out through the connector 403 on the side of the water tank 4. The connector 403 can be connected to the fire hose, and the water tank 4 is connected to the shell 3 through the top clamping strip 401 and fixed by bolts 402. The top of the shell 3 can be connected to the horizontal rotation of the connecting plate 301 through the rotating shaft 302. When connecting the fire hose, the shell 3 can be driven to rotate so that the connector 403 of the water tank 4 faces the connection direction, avoiding the fire hose on the connector 403 from bending here, ensuring smooth water outflow;

[0030] The slide plate 2 provided on the housing 3 can be slidably connected with the chassis 1 through the first slide groove 101, so that the housing 3 can be moved at the bottom of the chassis 1 to adjust the position of the housing 3, and the top of the housing 3 is rotatably and slidably connected with the slide plate 2 through the rotating shaft 302, and can also move horizontally at the bottom of the slide plate 2, so that the position of the housing 3 can be adjusted more freely through the first slide groove 101 and the second slide groove 201;

[0031] The water tank 4 and the shell 3 can be quickly connected and installed through the clamping strip 401. The top of the water tank 4 is connected to the water inlet connector 7 through the water inlet 404, and a filter frame 5 and a sealing rubber ring 6 on the edge of the filter frame 5 are provided at the connection. While filtering the water source, the sealing of the connection is also increased. After the water tank 4 is removed, the filter frame 5 can be removed separately, which is convenient for cleaning the filter frame 5 and avoiding clogging of the filter screen 501 on the filter frame 5.

[0032] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fire pump structure for a fire truck, comprising a chassis (1), characterized in that: A slide plate (2) is vertically arranged at the bottom of the chassis (1); a shell (3) is arranged at the bottom of the slide plate (2) away from the chassis (1); a water tank (4) is connected to the shell (3) away from the bottom of the slide plate (2); a clamping strip (401) is vertically fixed to the top of the water tank (4) near the shell (3); a bolt (402) is arranged at the connection between the clamping strip (401) and the shell (3); a water inlet (404) is protruding outwardly at the center top of the water tank (4) near the shell (3); a filter frame (5) is arranged at the top of the water inlet (404) away from the water tank (4); two groups of filter screens (501) are arranged at the center of the filter frame (5); a sealing rubber ring (6) is arranged at the connection between the filter frame (5) and the water inlet (404); A water pump (9) is installed inside the housing (3); a water pipe (8) is provided on a side of the water pump (9) close to the water tank (4); an end of the water pipe (8) away from the water pump (9) is connected to a water inlet connector (7); and the water inlet connector (7) is threadedly connected to the water inlet (404).

2. A fire pump structure for a fire truck according to claim 1, characterized in that: A first sliding groove (101) is provided at the connection between the bottom of the chassis (1) and the slide plate (2), and the slide plate (2) and the chassis (1) are slidably connected via the first sliding groove (101).

3. A fire pump structure for a fire truck according to claim 2, characterized in that: A connecting plate (301) is provided on the top of the shell (3), a rotating shaft (302) is provided at the connection between the connecting plate (301) and the shell (3), and the connecting plate (301) and the shell (3) are rotatably connected via the rotating shaft (302).

4. The fire pump structure for a fire truck according to claim 1, characterized in that: An inwardly concave slot is provided at the connection between the side surface of the housing (3) and the clip strip (401), and the slot of the housing (3) and the clip strip (401) are plug-fitted and connected.

5. The fire pump structure for a fire truck according to claim 3, characterized in that: A second slide groove (201) is provided at the connection between the rotating shaft (302) at the top of the connecting plate (301) and the slide plate (2), and the second slide groove (201) is arranged at the bottom of the slide plate (2), and the second slide groove (201) on the slide plate (2) is structurally closed at both ends.

6. A fire pump structure for a fire truck according to claim 5, characterized in that: The second sliding groove (201) is distributed perpendicularly to the long side direction of the first sliding groove (101).

7. A fire pump structure for a fire truck according to claim 1, characterized in that: A connector (403) is connected to the side of the water tank (4).

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