CN215907982U - Mounting sealing structure of fuel pump - Google Patents
Mounting sealing structure of fuel pump Download PDFInfo
- Publication number
- CN215907982U CN215907982U CN202122135400.1U CN202122135400U CN215907982U CN 215907982 U CN215907982 U CN 215907982U CN 202122135400 U CN202122135400 U CN 202122135400U CN 215907982 U CN215907982 U CN 215907982U
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- fuel pump
- fixedly connected
- mounting
- groove
- installation
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Abstract
The utility model discloses an installation sealing structure of a fuel pump, which relates to the technical field of fuel pumps and comprises an installation base, wherein the top of the installation base is provided with a groove, the bottom of the inner wall of the groove is provided with a sealing gasket, the bottom of the groove is communicated with an installation hole, the outer side of the installation base is provided with four sliding grooves at equal intervals, the inner parts of the sliding grooves are connected with sliding blocks in a sliding mode, and the bottoms of the sliding blocks are fixedly connected with compression springs. This an installation seal structure for a fuel pump, through setting up the fixed block, the extrusion piece is pushed down to the mounting flange of fuel pump, thereby it is fixed to drive the fixed block to rotate to push down to the mounting flange of fuel pump, it is not hard up to avoid long-time vibrations to lead to the installation screw, make the fuel pump all the time with sealed pad in close contact with, improve sealed effect, set up the torsional spring, when dismantling the fuel pump, upwards mention the fuel pump, compression spring upwards jack-up extrusion piece, drive the rotatory return of fixed block under the elasticity of torsional spring, need not manual operation, convenient dismantlement.
Description
Technical Field
The utility model relates to the technical field of fuel pumps, in particular to an installation sealing structure of a fuel pump.
Background
The fuel pump is one of the basic components of the fuel injection system of the electric injection locomotive, and has the function of sucking fuel from a fuel tank, pressurizing the fuel and then conveying the pressurized fuel to a fuel supply pipe to ensure that the fuel is continuously supplied to an injection nozzle. The traditional fuel pump is directly installed on a fuel tank through a flange structure, however, vibration generated in the running process of a locomotive can cause loosening of installation screws after long-time falling, so that the sealing effect between the fuel pump and the fuel tank is poor, and the normal use of the fuel pump is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mounting and sealing structure of a fuel pump, which aims to solve the problem of looseness of mounting screws of the fuel pump in the background technology.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a mounting and sealing structure of a fuel pump comprises a mounting base, wherein a groove is formed in the top of the mounting base, a sealing gasket is arranged at the bottom of the inner wall of the groove, a mounting hole is communicated with the bottom of the groove, four sliding grooves are formed in the outer side of the mounting base at equal intervals, a sliding block is connected inside the sliding grooves in a sliding mode, a compression spring is fixedly connected to the bottom of the sliding block, extrusion blocks are fixedly connected to one side of the sliding block, a connecting rod is fixedly connected between every two adjacent extrusion blocks, a pull rod is rotatably connected to the outer side of the connecting rod through a bolt A, one end of the pull rod is rotatably connected to a fixed block through a bolt B, a C-shaped clamping groove is fixedly connected to the bottom of the fixed block, a central rotating shaft is fixedly connected to the inside of the C-shaped clamping groove, a sleeve is sleeved on the outer side of the central rotating shaft, and a torsion spring is fixedly connected between the inner wall of the sleeve and the outer side of the central rotating shaft, the bottom fixedly connected with L type pole of telescopic, the one end fixed connection of L type pole is in the outside of installation base.
Optionally, four threaded holes are formed in the top of the mounting base at equal intervals.
Optionally, a through hole is formed in the middle of the sealing gasket.
Optionally, the connecting rod is arranged in an arc shape.
Optionally, the bottom of the compression spring is fixedly connected to the bottom of the inner wall of the chute.
Optionally, the pull rod is arranged in an inclined manner.
The utility model has the technical effects and advantages that:
1. this an installation seal structure for a fuel pump, through setting up the fixed block, the fuel pump passes through the installation pedestal mounting on the fuel tank, and the extrusion piece is pushed down to the mounting flange of fuel pump to it is fixed to drive the fixed block to rotate to push down to the mounting flange of fuel pump, avoids long-time vibrations to lead to the installation screw not hard up, makes the fuel pump all the time with sealed the gasket in close contact with, improves sealed effect.
2. This an installation seal structure for a fuel pump through setting up the torsional spring, when dismantling the fuel pump, upwards mentions the fuel pump, and compression spring upwards jack-up extrusion piece drives the rotatory return of fixed block under the elasticity of torsional spring, need not manual operation, convenient dismantlement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the mounting base of the present invention;
fig. 3 is a schematic view of a C-shaped card slot of the present invention.
In the figure: the device comprises a mounting base 1, a sealing gasket 2, a mounting hole 3, a sliding block 4, a compression spring 5, an extrusion block 6, a connecting rod 7, a pull rod 8, a fixing block 9, a 10C-shaped clamping groove, a central rotating shaft 11, a sleeve 12, a torsion spring 13 and an L-shaped rod 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The utility model provides a mounting and sealing structure of a fuel pump as shown in figures 1-3, which comprises a mounting base 1, wherein the top of the mounting base 1 is provided with four threaded holes at equal intervals, the top of the mounting base 1 is provided with a groove, the bottom of the inner wall of the groove is provided with a sealing gasket 2, the sealing gasket 2 is arranged to improve the sealing effect, the middle part of the sealing gasket 2 is provided with a through hole, the bottom of the groove is communicated with a mounting hole 3, the outer side of the mounting base 1 is provided with four sliding grooves at equal intervals, the inner part of the sliding groove is connected with a sliding block 4 in a sliding way, the bottom of the sliding block 4 is fixedly connected with a compression spring 5, the bottom of the compression spring 5 is fixedly connected to the bottom of the inner wall of the sliding groove, one side of the sliding block 4 is fixedly connected with an extrusion block 6, a connecting rod 7 is fixedly connected between two adjacent extrusion blocks 6, the connecting rod 7 is arranged in an arc shape, the outer side of the connecting rod 7 is rotatably connected with a pull rod 8 through a bolt A, the fuel pump is characterized in that the pull rod 8 is obliquely arranged, one end of the pull rod 8 is rotatably connected with a fixed block 9 through a bolt B, the fixed block 9 is arranged, the fuel pump is installed on the fuel tank through an installation base 1, a mounting flange of the fuel pump presses down an extrusion block to drive the fixed block 9 to rotate and press down and fix the mounting flange of the fuel pump, the problem that the mounting screw is loosened due to long-time vibration is avoided, the fuel pump is always in close contact with a sealing gasket 2, the sealing effect is improved, a C-shaped clamping groove 10 is fixedly connected to the bottom of the fixed block 9, a central rotating shaft 11 is fixedly connected to the inside of the C-shaped clamping groove 10, a sleeve 12 is sleeved on the outer side of the central rotating shaft 11, a torsion spring 13 is fixedly connected between the inner wall of the sleeve 12 and the outer side of the central rotating shaft 11, the torsion spring 13 is arranged, the fuel pump is lifted upwards when being disassembled, the compression spring 5 jacks up the extrusion block 6, the fixed block 9 is driven to rotate and return under the elasticity of the torsion spring 13, need not manual operation, convenient dismantlement, the bottom fixedly connected with L type pole 14 of sleeve 12, the one end fixed connection of L type pole 14 is in the outside of installation base 1.
This practical theory of operation: this installation seal structure of fuel pump, bottom fixed connection with installation base 1 is on the fuel tank, during the installation fuel pump, under the gravity of fuel pump, the mounting flange of fuel pump pushes down extrusion piece 6, thereby make bolt A drive pull rod 8 descend, thereby stimulate fixed block 9 under bolt B's effect, thereby it is rotatory as the center to make fixed block 9 use central pivot 11, it is fixed to push down the mounting flange of fuel pump, the fixed fuel pump of rethread installation screw, strengthen the fixed ability of fuel pump in the vertical direction, avoid the locomotive at the in-process of traveling, long-time vibrations lead to the screw not hard up. When the fuel pump is disassembled, the mounting screw is unscrewed, the fuel pump is lifted upwards, the extrusion block 6 is pushed upwards under the elasticity of the compression spring 5, the fixed block 9 is rotated and returned under the elasticity of the torsion spring 13, the fixed block 9 does not need to be manually opened, and the disassembly is convenient.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a fuel pump's installation seal structure, includes installation base (1), its characterized in that: the mounting structure is characterized in that a groove is formed in the top of the mounting base (1), a sealing gasket (2) is arranged at the bottom of the inner wall of the groove, a mounting hole (3) is communicated with the bottom of the groove, four sliding grooves are formed in the outer side of the mounting base (1) at equal intervals, a sliding block (4) is connected to the inner part of each sliding groove in a sliding manner, a compression spring (5) is fixedly connected to the bottom of each sliding block (4), extrusion blocks (6) are fixedly connected to one side of each sliding block (4), a connecting rod (7) is fixedly connected between every two adjacent extrusion blocks (6), a pull rod (8) is rotatably connected to the outer side of each connecting rod (7) through a bolt A, one end of each pull rod (8) is rotatably connected with a fixing block (9) through a bolt B, a C-shaped clamping groove (10) is fixedly connected to the bottom of each fixing block (9), and a central rotating shaft (11) is fixedly connected to the inner part of each C-shaped clamping groove (10), the outside cover of center pivot (11) is equipped with sleeve (12), fixedly connected with torsional spring (13) between the inner wall of sleeve (12) and the outside of center pivot (11), the bottom fixedly connected with L type pole (14) of sleeve (12), the one end fixed connection of L type pole (14) is in the outside of installation base (1).
2. The mounting seal structure of a fuel pump according to claim 1, wherein: the top of the mounting base (1) is provided with four threaded holes at equal intervals.
3. The mounting seal structure of a fuel pump according to claim 1, wherein: the middle part of the sealing gasket (2) is provided with a through hole.
4. The mounting seal structure of a fuel pump according to claim 1, wherein: the connecting rod (7) is arranged in an arc shape.
5. The mounting seal structure of a fuel pump according to claim 1, wherein: the bottom of the compression spring (5) is fixedly connected to the bottom of the inner wall of the sliding chute.
6. The mounting seal structure of a fuel pump according to claim 1, wherein: the pull rod (8) is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122135400.1U CN215907982U (en) | 2021-09-06 | 2021-09-06 | Mounting sealing structure of fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122135400.1U CN215907982U (en) | 2021-09-06 | 2021-09-06 | Mounting sealing structure of fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215907982U true CN215907982U (en) | 2022-02-25 |
Family
ID=80293747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122135400.1U Active CN215907982U (en) | 2021-09-06 | 2021-09-06 | Mounting sealing structure of fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215907982U (en) |
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2021
- 2021-09-06 CN CN202122135400.1U patent/CN215907982U/en active Active
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