Fire pump capable of being conveniently and rapidly installed in butt joint mode

Abstract

The utility model relates to the field of fire fighting equipment, in particular to a fire pump convenient for quick butt joint installation, which is characterized in that the end part of a water inlet pipe is of a double-layer structure and is respectively provided with an outer wall and an inner wall, the outer wall is provided with a through hole, the water inlet pipe and a water outlet pipe are in butt joint installation, and the end part of the water outlet pipe is of a double-layer structure and is provided with a through hole. The device comprises a plurality of outer rings and inner rings, the outer rings and the inner rings are connected through springs, limiting rings are arranged at the positions, away from the inner walls by the length, of the inner walls and the ends of the inner rings, protruding blocks are arranged on the outer rings, circular ring pieces are arranged at the extending positions of the tops of the upper surfaces of the outer rings, the circular ring pieces are located on the outer wall of a pipeline, and fixing screws and limiting nuts are arranged on the circular ring pieces. The connecting mode of a fire pump pipeline is changed into a pressing mode, the outer ring and the protruding block are shrunk towards the center or expanded outwards only by controlling the tightness of the external nut and adjusting the pressure of the circular ring piece, butt joint of the water inlet pipe and the water outlet pipe is achieved, and mounting and dismounting are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fire-fighting equipment, in particular to a fire pump convenient for quick butt joint installation. BACKGROUND

[0002] Fire pump pipeline butt joint is an indispensable part of the fire-fighting system, which can connect the fire pump and the fire pipeline to form a complete fire-fighting water supply channel. The commonly used connection methods of fire pump pipeline include threaded connection, welding connection and flange connection, which are inconvenient to connect and uninstall. SUMMARY

[0003] The utility model discloses a kind of fire pumps convenient for quick butt joint installation to solve the above problems.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of fire pump convenient for quick butt joint installation, characterized by: including, pump body, the water inlet pipe is equipped on the pump body, the end of the water inlet pipe is double-layer structure, there are outer wall and inner wall respectively, the outer wall is equipped with through-hole, the water inlet pipe and the water outlet pipe are butt joint installation, the end of the water outlet pipe is double-layer structure, there are multiple outer ring and inner ring respectively, the outer ring and inner ring are connected with spring, the inner wall of the inner ring, the end distance inner wall length is equipped with limit ring, the outer ring is equipped with convex block on, the outer ring top surface extension is equipped with annular sheet, the annular sheet is located on the outer wall of pipeline, the annular sheet is equipped with fixed screw and limit nut, when butt joint installation, limit nut is screwed to make annular sheet adhere to pipeline, and then make spring contract, outer ring adheres to inner ring, water outlet pipe is inserted into the gap of outer wall and inner wall of water inlet pipe, until inner wall touches limit ring, butt joint installation is carried out, limit nut is unscrewed after insertion to make spring rebound, outer ring expands accordingly, further make convex block enter through-hole, realize butt joint installation.

[0005] Preferably, the cavity in the inner wall allows water flow.

[0006] Preferably, the outer ring is a quarter thin circular ring. The structure of the quarter circular ring facilitates contraction and expansion. When the spring contracts, the outer ring contracts accordingly, reducing the outer diameter. When the spring extends, the outer ring expands accordingly, increasing the outer diameter.

[0007] Preferably, the outer diameter of the inner ring and the outer ring plus the convex block after the spring contracts is less than or equal to the inner diameter of the outer wall, facilitating butt joint installation.

[0008] Preferably, the convex block is the same size as the through-hole, serving as a limiting function to prevent the pipeline from rotating.

[0009] Preferably, the annular sheet is provided on both ends of the outer ring and has a through-hole, facilitating control of the outer ring 201.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The connecting mode of the fire pump pipeline is changed to a pressing type, only the tightness of the external nut needs to be controlled, the pressure of the annular sheet is adjusted, the outer ring and the protruding block are then contracted to the center or expanded to the outside, the water inlet pipe and the water outlet pipe are butted, and installation and dismounting are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute limitations to the utility model.In the drawings:

[0013] Figure 1 It is a butt joint complete structure schematic view of the utility model;

[0014] Figure 2 It is a butt joint structure schematic view of the utility model;

[0015] Figure 3 It is a structure schematic view of the utility model A place;

[0016] Figure 4 It is a structure schematic view of the utility model B place.

[0017] In the drawing: 1 water inlet pipe, 101 inner wall, 102 outer wall, 103, 104 through hole, 2 water outlet pipe, 201 outer ring, 202 inner ring, 203 spring, 204 protruding block, 205 limiting ring, 206 annular sheet, 208 limiting nut, 209 fixed screw, 210 pipeline, 3 pump body. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, instead of all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please combine with the description of Figure 1 Traditional fire pump pipeline butt joint, connection is inconvenient, and it is time-consuming and labor-consuming to dismount and install.

[0020] In the utility model, based on the above problems, the connecting mode of the fire pump pipeline is changed to a pressing type, only the tightness of the external nut needs to be controlled, the pressure of the annular sheet is adjusted, the outer ring and the protruding block are then contracted to the center or expanded to the outside, the water inlet pipe and the water outlet pipe are butted, and installation and dismounting are facilitated, and specific details are described in the following embodiments.

[0021] Please refer to Figures 1-4 The utility model relates to a fire pump convenient to quickly butt joint installation, its characterized in being: including pump body 3, be equipped with water inlet pipe 1 on the pump body 3, the end of water inlet pipe 1 is double-layer structure, has outer wall 102 and inner wall 101 respectively, be equipped with through -hole 104 on outer wall 102, water inlet pipe 1 and water outlet pipe 2 butt joint installation, the end of water outlet pipe 2 is double-layer structure, has a plurality of outer ring 201 and inner ring 202 respectively, outer ring 201 and inner ring 202 are connected with spring 203, the inner wall of inner ring 202, the length of end distance inner wall 101 place is equipped with limiting ring 205, be equipped with convex block 204 on outer ring 201, the top extension of outer ring 201 upper surface is equipped with annular sheet 206, annular sheet 206 is located the outer wall of pipeline 210, be equipped with fixed screw 209 and limiting nut 208 on annular sheet 206, butt joint installation, turn limiting nut 208 and make annular sheet 206 close to pipeline 210, and then make spring 203 contract, and outer ring 201 close to inner ring 202, and water outlet pipe 2 is inserted into the clearance of outer wall 102 and inner wall 101 of water inlet pipe 1, until inner wall 101 touches limiting ring 205, carries out butt joint installation, after insertion, unscrew limiting nut 208 and make spring 203 rebound, and outer ring 201 expands along with it, further make convex block 204 enter through -hole 104, realize butt joint installation.

[0022] Wherein, the cavity 103 in the middle of the inner wall 101 allows water flow.

[0023] Wherein, the outer ring 201 is a quarter of a thin circular ring, the structure of a quarter of a circular ring is convenient to contract and expand, the outer ring 201 contracts along with the contraction of the spring 203, so that the outer diameter decreases, and the outer ring 201 expands along with the extension of the spring 203, so that the outer diameter increases.

[0024] Wherein, the outer diameter of the inner ring 202 and the outer ring 201 plus convex block 204 after the contraction of the spring is less than or equal to the inner diameter of the outer wall 102, which is convenient for butt joint installation.

[0025] Wherein, the convex block 204 and the through hole 104 are the same size, which plays a limiting role and prevents the pipeline from rotating.

[0026] Wherein, the annular sheet 206 is provided on both ends of the outer ring 201 and has a through hole, which facilitates the control of the outer ring 201.

[0027] Working principle: when the butt joint installation, twist the limiting nut 208 makes the circular ring piece 206 close to the pipeline 210, and then makes the spring (203 shrink, the outer ring 201 close to the inner ring 202, inserts the outlet pipe 2 into the gap between the outer wall 102 and the inner wall 101 of the inlet pipe 1, until the inner wall 101 touches the limiting ring 205, after insertion, unscrew the limiting nut 208 makes the spring 203 rebound, the outer ring 201 expands, further makes the convex block 204 into the through hole 104, realizes butt joint installation.

[0028] In the description of the utility model, it is necessary to explain, unless otherwise, the meaning of "multiple" is two or more than two;The terms "up", "down", "left", "right", "inside", "outside", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0029] Although the content of the utility model has been introduced in detail by the above preferred embodiment, it should be recognized that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and alternatives of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A fire pump for quick and easy installation, characterized in that: Including, Pump body (3), the water inlet pipe (1) is equipped on the pump body (3), the end of water inlet pipe (1) is double-layer structure, has outer wall (102) and inner wall (101) respectively, the outer wall (102) is equipped with through hole (104), the water inlet pipe (1) and water outlet pipe (2) are installed in butt joint, the end of water outlet pipe (2) is double-layer structure, has multiple outer ring (201) and inner ring (202) respectively, the outer ring (201) and inner ring (202) are connected with spring (203), the inner wall of inner ring (202), the end distance inner wall (101) length is equipped with limiting ring (205), the outer ring (201) is equipped with convex block (204), the upper surface top extension of outer ring (201) is equipped with circular ring piece (206), the circular ring piece (206) is located in the outer wall of pipeline (210), the circular ring piece (206) is equipped with fixed screw (209) and limiting nut (208).

2. A fire pump for easy and quick installation of a coupling, as claimed in claim 1, wherein: The cavity (103) in the middle of the inner wall (101) allows water to flow through.

3. A fire pump for quick and easy installation as defined in claim 1, wherein: The outer ring (201) is a quarter thin circular ring.

4. A fire pump for quick and easy installation as defined in claim 1, wherein: The outer diameter of the inner ring (202) and the outer ring (201) plus the convex block (204) after the spring contraction is less than or equal to the inner diameter of the outer wall (102).

5. A fire pump for quick and easy installation as defined in claim 1, wherein: The convex block (204) is the same size as the through hole (104).

6. A fire pump for easy and quick installation of a coupling, as claimed in claim 1, wherein: The circular ring piece (206) is provided on both ends of the outer ring (201) and has a through hole.

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