CN218030407U - Fuel pump support - Google Patents

Abstract

The utility model discloses a fuel pump support, be provided with first oil duct, second oil duct, third oil duct and fourth oil duct in the fuel pump support, first oil duct is used for communicateing pump core and goes out oil nozzle and filter oil inlet, the second oil duct is used for communicateing filter oil nozzle and voltage regulator oil feed, the third oil duct is used for communicateing pump core and goes out oil nozzle and draw and penetrate the oil inlet end, the fourth oil duct is used for communicateing voltage regulator and goes out oil and draw and penetrate the oil inlet end, be provided with the fuel pump that communicates with the second oil duct on the fuel pump support and go out oil nozzle, the outer lane of fuel pump support is provided with the three support mounting couple that is used for fuel pump support mounting in the oil bath at least, downwardly extending sets up filter cover, regulator cover, draws and penetrates extension pipe and two at least pump core mounting couples on the fuel pump support. The oil duct is arranged on the fuel pump support, and the communication of all parts is realized through the oil duct, so that the structure is simplified.

Description

fuel pump bracket

technical field

The utility model belongs to the technical field of fuel pump components, in particular to a fuel pump bracket.

Background technique

In the prior art, the connection between the filter and the pump core in the fuel pump, and the connection between the pump core and the injection assembly are all communicated through oil pipes. The use of oil pipes not only makes the whole structure more complicated, but also After use, it is damaged and needs to be replaced, which increases the cost.

Utility model content

The utility model intends to provide a fuel pump bracket, on which an oil passage is arranged, and the connection of various parts is realized through the oil passage, thereby simplifying the structure.

For this reason, the technical solution adopted by the utility model is: a fuel pump bracket, the fuel pump bracket is provided with a first oil passage, a second oil passage, a third oil passage and a fourth oil passage, the first oil passage One oil passage is used to communicate with the oil outlet of the pump core and the oil inlet of the filter, the second oil passage is used to communicate with the oil outlet of the filter and the oil inlet of the pressure regulator, and the third oil passage is used to communicate with the pump core The fuel outlet nozzle and the injection oil inlet end, the fourth oil passage is used to communicate with the pressure regulator oil outlet and the injection oil inlet end, the fuel pump bracket is provided with a fuel pump nozzle connected to the second oil passage, The outer ring of the fuel pump bracket is provided with at least three bracket installation hooks for the fuel pump bracket to be installed in the oil pool, and the fuel pump bracket is extended downward with a filter cover, a pressure regulator cover, and an injection extension pipe and at least two pump element mounting hooks.

As a preference in the above solution, the first oil passage, the second oil passage, the fourth oil passage and the third oil passage form a quadrilateral, and the filter cover, the pressure regulator cover and the injection extension pipe are all provided At the three corners of the quadrangle, the remaining corner of the quadrangle is extended downward with a pump core oil outlet pipe for communicating with the pump core oil outlet. A check valve is arranged in the upper end of the pump core oil outlet pipe. The pump The core installation hook is arranged around the oil outlet pipe of the pump core, the filter cover communicates with the first oil passage, and one end of the second oil passage extends downwards to be located in the filter cover and for the filter oil outlet nozzle to extend. The other end of the second oil passage communicates with the pressure regulator cover, the fuel pump nozzle is arranged in the middle of the second oil passage, and one end of the fourth oil passage extends downwards A pressure regulator oil outlet pipe located in the pressure regulator cover and used for oil outlet of the pressure regulator is provided.

Further preferably, the fuel pump bracket includes a bracket body and an oil passage cover arranged above the bracket body, and the fuel pump nozzle is arranged on the oil passage cover.

Further preferably, the outer ring of the fuel pump bracket is provided with an upward right-angled edge which is convenient for installation.

The beneficial effects of the utility model: not only can the installation of the filter, the pressure regulator and the pump core be realized, but also a plurality of oil passages are integrated on the fuel burner support, and the oil passages can be connected between the pump core and the filter, Between the filter and the pressure regulator, between the pressure regulator and the injection assembly, between the injection assembly and the pump core, thereby reducing the arrangement of oil pipes, thereby reducing the complexity of the entire structure.

Description of drawings

Fig. 1 is the schematic diagram of the utility model.

Fig. 2 is a schematic diagram of the bracket body in the present invention.

Fig. 3 is a bottom view of Fig. 2 .

Fig. 4 is a schematic diagram of the oil passage cover in the utility model.

detailed description

Below by embodiment and in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1-4, a fuel pump bracket is provided with a first oil passage 1, a second oil passage 2, a third oil passage 3 and a fourth oil passage 4 in the fuel pump bracket, wherein the first oil passage Channel 1 is used to connect the oil outlet nozzle of the pump core and the oil inlet of the filter, so that the pressured oil flowing out of the pump core can enter the filter for further filtration. The second oil passage 2 is used to communicate with the oil outlet nozzle of the filter and the fuel inlet of the pressure regulator. At the same time, a fuel pump outlet nozzle 5 connected with the second oil passage 2 is arranged on the fuel pump bracket, so that the fuel filtered by the filter It can flow out from the nozzle of the fuel pump smoothly, and at the same time, the setting of the pressure regulator ensures that the pressure of the fuel flowing out of the nozzle of the fuel pump will not exceed the set value. The third oil passage 3 is used to communicate with the oil outlet nozzle of the pump core and the injection oil inlet end, so that the fuel under pressure can flow into the injection assembly to provide injection oil for the injection assembly to work. The four oil passages 4 are used to communicate with the oil outlet of the pressure regulator and the injection oil inlet, so that the fuel that exceeds the pressure flowing out of the filter can smoothly return to the oil pool to prevent fuel waste.

In order to install the fuel pump bracket on the oil pool, at least three bracket installation hooks 6 for the fuel pump bracket to be installed in the oil pool are arranged on the outer ring of the fuel pump bracket, and the positions corresponding to the bracket installation hooks on the outer ring of the oil pool Set with barbs. At the same time, a filter cover 7, a pressure regulator cover 8, an injection extension pipe 9 and at least two pump core installation hooks 10 are extended downward on the fuel pump bracket, wherein the filter cover 7 can be set on the filter The installation of the filter is realized through the thrust pin. The pressure regulator cover can be set on the pressure regulator, and the installation of the pressure regulator is also realized through the thrust pin. The injection extension tube 9 is set on the injection end of the injection assembly. In addition, the barbs on the outer ring of the pump core are correspondingly hung on the pump core installation hook 10, so as to realize the installation of the pump core.

The first oil passage 1, the second oil passage 2, the fourth oil passage 4 and the third oil passage 3 enclose a quadrilateral in turn, in which the filter cover 7, the pressure regulator cover 8 and the injection extension pipe 9 are all arranged in the quadrilateral At the three corners of the quadrangle, a pump core oil outlet pipe 11 for communicating with the pump core oil nozzle is extended downward at the remaining corner of the quadrangle, and the pump core installation hook 10 is set around the pump core oil outlet pipe 11, and at the same time, to prevent the pump from The fuel oil pumped out by the core is returned, and a check valve 12 is arranged in the upper end of the oil outlet pipe 11 of the pump core.

In order to ensure that the fuel pumped by the pump core can smoothly enter the filter, the filter cover 7 communicates with the first oil passage 1 . In order to ensure that the fuel filtered by the filter can be smoothly exported from the nozzle of the fuel pump, and at the same time ensure the pressure of the fuel discharged from the nozzle of the fuel pump, one end of the second oil passage 2 extends downward and is provided with a filter cover 7 The other end of the second oil passage 2 communicates with the pressure regulator cover 8 , and the fuel pump outlet 5 is arranged in the middle of the second oil passage 2 . In order to ensure that the high-pressure fuel oil at the adjustment point of the pressure regulator can return to the oil pool smoothly, one end of the fourth oil passage 4 is extended downwards and provided with a pressure regulator oil outlet pipe located in the pressure regulator cover 8 and used for the oil outlet of the pressure regulator. 14.

In order to facilitate the formation of various oil passages, the fuel pump bracket includes a bracket body 15 and an oil passage cover 16 arranged above the bracket body 15, wherein the first oil passage 1, the second oil passage 2, the third oil passage 3 and the fourth oil passage The oil passages 4 are all arranged on the bracket body 15 and sealed by the protrusions provided on the oil passage cover 16 . In order to facilitate the setting of the fuel pump nozzle 5, the fuel pump nozzle 5 is fixed on the fuel passage cover 16, and the bracket body 15 and the fuel passage cover 16 are processed separately, and are fastened or directly welded together during assembly.

In order to disperse the force received by the entire fuel pump bracket after installing the filter, pressure regulator and pump core, the outer ring of the fuel pump bracket is provided with an upward right-angled side 17 for easy installation. After installation, the vertical side of the right-angled side 17 The straight edge is just in the inner circle of the oil pool, and the horizontal edge of the right-angled side 17 is located above the oil pool.

Claims (4)

1. A fuel pump bracket, characterized in that: the fuel pump bracket is provided with a first oil passage (1), a second oil passage (2), a third oil passage (3) and a fourth oil passage (4 ), the first oil passage (1) is used to communicate with the oil outlet of the pump core and the oil inlet of the filter, and the second oil passage (2) is used to communicate with the oil outlet of the filter and the oil inlet of the pressure regulator, The third oil passage (3) is used to communicate with the oil outlet nozzle of the pump core and the injection oil inlet end, the fourth oil passage (4) is used to communicate with the oil outlet of the pressure regulator and the injection oil inlet end, and the fuel oil A fuel pump nozzle (5) communicating with the second oil passage (2) is arranged on the pump bracket, and the outer ring of the fuel pump bracket is provided with at least three bracket installation hooks (6) for installing the fuel pump bracket in the oil pool. ), the filter cover (7), the pressure regulator cover (8), the injection extension pipe (9) and at least two pump core installation hooks (10) are extended downwards on the fuel pump bracket. 2. The fuel pump bracket according to claim 1, characterized in that: the first oil passage (1), the second oil passage (2), the fourth oil passage (4) and the third oil passage (3 ) to form a quadrilateral, the filter cover (7), pressure regulator cover (8) and injection extension pipe (9) are all arranged at three corners of the quadrangle, and the remaining corner of the quadrangle extends downward There is a pump core oil outlet pipe (11) for communicating with the pump core oil outlet nozzle, a check valve (12) is arranged in the upper end of the pump core oil outlet pipe (11), and the pump core installation hook (10) surrounds the pump core An oil outlet pipe (11) is provided, the filter cover (7) is in communication with the first oil passage (1), and one end of the second oil passage (2) extends downwards and is provided with a filter cover (7) The filter oil outlet pipe (13) inside and for the filter outlet nozzle to protrude from, the other end of the second oil passage (2) communicates with the pressure regulator cover (8), and the fuel pump outlet nozzle (5 ) is arranged in the middle of the second oil passage (2), and one end of the fourth oil passage (4) is extended downward to provide a pressure regulator located in the pressure regulator cover (8) and used for the oil outlet of the pressure regulator Outlet pipe (14). 3. The fuel pump bracket according to claim 1, characterized in that: the fuel pump bracket comprises a bracket body (15) and an oil passage cover (16) arranged above the bracket body (15), the fuel pump The oil outlet nozzle (5) is arranged on the oil passage cover (16). 4. The fuel pump bracket according to claim 1, characterized in that: the outer ring of the fuel pump bracket is provided with an upward right-angled edge (17) which is convenient for installation.

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