CN213360285U

CN213360285U - Mounting structure of fuel pump oil pipe joint

Info

Publication number: CN213360285U
Application number: CN202022578358.6U
Authority: CN
Inventors: 李松炎; 李宪春
Original assignee: Tianjin Dingbao Petroleum Machinery Co ltd
Current assignee: Tianjin Dingbao Petroleum Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-04
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to the technical field of fuel pumps, and discloses a mounting structure of a fuel pump oil pipe joint, which comprises an oil port, a stabilizing component and a fixing component, wherein an interface frame is fixedly arranged at the bottom end of the oil port, a pressing block is fixedly arranged at the top end of the interface frame, the inner wall of the pressing block is movably connected with a mandril, the bottom end of the mandril is movably connected with a telescopic rod, a pump opening is fixedly arranged at the bottom end of the telescopic rod, a rotating rod is movably connected at the right side of the interface frame, when the mandril is matched with the rotating rod to swing to the same horizontal line with the pump opening, the transverse rod is pushed towards the direction of the pump opening, so that a U-shaped rod enters into the inner cavity of the pump opening, a baffle is contacted with the outer wall of the telescopic rod, the baffle is simultaneously extruded to swing, the telescopic rod is displaced to the right side of the baffle, the cross bar can not return to the initial position under the force of the coil spring, so that the interface frame and the pump opening are limited from being separated after being connected.

Description

Mounting structure of fuel pump oil pipe joint

Technical Field

The utility model relates to a fuel pump technical field specifically is a mounting structure of fuel pump oil pipe connector.

Background

The fuel pump is a professional term in the automobile accessory industry, is one of basic components of a fuel injection system of an electronic injection automobile, is positioned in a fuel tank of the automobile, and is used for conveying high-pressure fuel to a fuel distribution port to ensure that continuous fuel is supplied to a fuel injection nozzle.

The fuel pump is an important accessory for an automobile, but in the using process of the automobile, vibration is often generated, so that the joint of the fuel pump and an oil port of the automobile is easy to loosen, and the oil supply in the driving process of the automobile is greatly influenced, so that the mounting structure of the fuel pump oil pipe joint is provided, and the problem is solved.

SUMMERY OF THE UTILITY MODEL

For the purpose that realizes above-mentioned firm fuel pump and car hydraulic fluid port kneck, the utility model provides a following technical scheme: the utility model provides a mounting structure of fuel pump oil pipe joint, includes hydraulic fluid port, firm subassembly and fixed subassembly, the bottom fixed mounting of hydraulic fluid port has the interface frame, the top fixed mounting of interface frame has according to the briquetting, the inner wall swing joint who presses the briquetting has the ejector pin, the bottom swing joint of ejector pin has the telescopic link, the bottom fixed mounting of telescopic link has the pump mouth, the right side swing joint of interface frame has the bull stick, the inner wall of bull stick and the top swing joint of firm subassembly, the right side of firm subassembly and the left side fixed connection of fixed subassembly.

As an optimization, the firm subassembly includes the connecting rod, the bottom fixed mounting of connecting rod has the removal box, the inner wall fixed mounting who removes the box has the coil spring, the outer wall swing joint of coil spring has the horizontal pole, the outer wall fixed mounting of horizontal pole has first stopper, the outer wall fixed mounting of horizontal pole has the second stopper.

As optimization, the fixing assembly comprises a U-shaped rod, a bent telescopic pipe is fixedly mounted on the outer wall of the U-shaped rod, a baffle is fixedly mounted at one end, away from the U-shaped rod, of the bent telescopic pipe, and a swing bearing is fixedly mounted on the left side of the baffle.

Preferably, the number of the swing bearings is two, and the two swing bearings are located at two ends of the U-shaped rod, so that when the telescopic rod extrudes the baffle, the swing bearings can be driven to rotate towards the inner wall direction of the U-shaped rod.

Preferably, the number of the baffles is two, the left side of one baffle is fixedly connected with the inner wall of the swing bearing positioned at the left end of the U-shaped rod, and the right side of the other baffle is fixedly connected with the inner wall of the swing bearing positioned on the right side of the U-shaped rod, so that when the telescopic rod extrudes the baffles, the baffles can swing, and the telescopic rod is in contact with the inner wall of the U-shaped rod.

Preferably, the length from the bottom end of the baffle plate to the bottom end of the inner wall of the U-shaped rod is larger than the diameter of the telescopic rod, so that the telescopic rod can enter the inner cavity of the U-shaped rod, and the U-shaped rod cannot be retracted under the action of the coil spring.

As optimization, the outer wall of ejector pin is equipped with spring and carriage release lever, and the carriage release lever is located the top of ejector pin, and the spring cup joints the outer wall of ejector pin, the top of spring and the bottom fixed connection of carriage release lever, the bottom of spring and the top fixed connection of interface frame, the outer wall of coil spring and the top and the bottom of horizontal pole are provided with the tooth, and the diameter of the bottom of ejector pin is less than the diameter on telescopic link top for after pressing the pressing block, loosen and press the pressing block and can make the ejector pin receive the effect of spring and get back to initial position.

The utility model has the advantages that: this mounting structure that fuel pump hydraulic fluid port connects, use through the cooperation of coil spring and fixed subassembly, make swing the ejector pin cooperation bull stick to with the same water flat line of pump mouth, promote the horizontal pole to pump mouth direction, make U type pole get into the inner chamber of pump mouth, make the outer wall contact of baffle and telescopic link, the baffle is pushed simultaneously and is made the baffle swing, make the telescopic link shift to the right side of baffle, the inner wall swing joint of telescopic link and U type pole, with this baffle receive the flexible pipe of bending type to influence unable backswing, make the horizontal pole can't receive the power of coil spring to get back to initial position, with this with interface frame and pump mouth be connected the back restriction can't separate.

This mounting structure that fuel pump hydraulic fluid port connects, use with the telescopic link cooperation through pressing the briquetting, make when the horizontal pole is limited can't be withdrawed, press down the briquetting, make the ejector pin atress descend, the ejector pin descends, make the bottom extrusion telescopic link of ejector pin, then the telescopic link is withdrawed, the wind spring is used always with the horizontal pole to the direction pull back of keeping away from the pump mouth this moment, then when loosening the briquetting, initial position is withdrawed with the ejector pin to the spring action on the briquetting, and simultaneously, the horizontal pole is withdrawed, then accomplish the restriction of untiing pump mouth and interface frame.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a schematic top view of the fixing assembly of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. an oil port; 2. an interface frame; 3. a pressing block; 4. a top rod; 5. a telescopic rod; 6. a pump port; 7. a rotating rod; 8. a stabilizing assembly; 801. a connecting rod; 802. moving the cartridge; 803. a coil spring; 804. a cross bar; 805. a first stopper; 806. a second limiting block; 9. a fixing assembly; 901. a U-shaped rod; 902. a bending type telescopic pipe; 903. a baffle plate; 904. and a swing bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, a mounting structure of a fuel pump fuel pipe joint, including a fuel port 1, a stabilizing component 8 and a fixing component 9, a port frame 2 is fixedly mounted at the bottom end of the fuel port 1, a pressing block 3 is fixedly mounted at the top end of the port frame 2, an ejector rod 4 is movably connected to the inner wall of the pressing block 3, a telescopic rod 5 is movably connected to the bottom end of the ejector rod 4, a pump port 6 is fixedly mounted at the bottom end of the telescopic rod 5, a rotating rod 7 is movably connected to the right side of the port frame 2, the inner wall of the rotating rod 7 is movably connected to the top end of the stabilizing component 8, and the right side of the stabilizing component 8 is fixedly.

Referring to fig. 1 and fig. 3, the stabilizing assembly 8 includes a connecting rod 801, a movable box 802 is fixedly mounted at a bottom end of the connecting rod 801, a coil spring 803 is fixedly mounted on an inner wall of the movable box 802, a cross bar 804 is movably connected to an outer wall of the coil spring 803, a first stopper 805 is fixedly mounted on an outer wall of the cross bar 804, and a second stopper 806 is fixedly mounted on an outer wall of the cross bar 804.

Referring to fig. 1 and fig. 2, the fixing assembly 9 includes a U-shaped rod 901, a curved telescopic tube 902 is fixedly installed on an outer wall of the U-shaped rod 901, a baffle 903 is fixedly installed at one end of the curved telescopic tube 902 far away from the U-shaped rod 901, and a swing bearing 904 is fixedly installed on a left side of the baffle 903.

Referring to fig. 2, the number of the swing bearings 904 is two, and the two swing bearings 904 are both located at two ends of the U-shaped rod 901, so that when the telescopic rod 5 presses the baffle 903, the swing bearings 904 are driven to rotate towards the inner wall of the U-shaped rod 901.

Referring to fig. 2, the number of the baffles 903 is two, and the left side of one baffle 903 is fixedly connected to the inner wall of the oscillating bearing 904 at the left end of the U-shaped rod 901, and the right side of the other baffle 903 is fixedly connected to the inner wall of the oscillating bearing 904 at the right side of the U-shaped rod 901, so that when the telescopic rod 5 presses the baffles 903, the baffles 903 can be swung, and the telescopic rod 5 is in contact with the inner wall of the U-shaped rod 901.

Referring to fig. 2, the length from the bottom end of the baffle 903 to the bottom end of the inner wall of the U-shaped rod 901 is greater than the diameter of the telescopic rod 5, so that the telescopic rod 5 can enter the inner cavity of the U-shaped rod 901, and the U-shaped rod 901 cannot be retracted under the action of the coil spring 803.

Referring to fig. 1 and 3, a spring and a moving rod are disposed on an outer wall of the top rod 4, the moving rod is located at a top end of the top rod 4, the spring is sleeved on the outer wall of the top rod 4, a top end of the spring is fixedly connected with a bottom end of the moving rod, a bottom end of the spring is fixedly connected with a top end of the interface frame 2, teeth are disposed on an outer wall of the coil spring 803 and top ends and bottom ends of the cross rod 804, and a diameter of the bottom end of the top rod 4 is smaller than a diameter of a top end of the telescopic rod 5, so that after the pressing block 3 is pressed, the top rod 4 can return to an initial.

In use, referring to fig. 1-3, after the interface frame 2 is aligned with the pump port 6, the cross bar 804 is swung, the side face of the cross bar 804 aligned with the pump port 6 is pushed towards the pump port 6, the baffle 903 is contacted with the telescopic rod 5, at this time, the baffle 903 is forced to swing towards the inner wall of the U-shaped rod 901, so that the telescopic rod 5 is contacted with the inner wall of the U-shaped rod 901, the top end of the telescopic rod 5 is contacted with the bottom end of the top rod 4, the cross bar 804 is limited and cannot return to the initial position under the action of the coil spring 803, so as to fix the relative position of the interface frame 2 and the pump port 6, when the disassembly is required, the pressing block 3 can be pressed downwards, so that the pressing block 3 presses the top rod 4, the top rod 4 descends to press the telescopic rod 5, meanwhile, the coil spring 803 acts to pull the cross bar 804 towards the direction far away from the pump port 6, and release the pressing block, therefore, the limitation of the interface frame 2 and the pump port 6 is removed, and the integral installation and disassembly process is completed.

In summary, in the mounting structure of the oil port joint of the fuel pump, the coil spring 803 is used in cooperation with the fixing assembly 9, so that when the push rod 4 is matched with the rotating rod 7 to swing to the same horizontal line with the pump port 6, the cross rod 804 is pushed towards the pump port 6, the U-shaped rod 901 enters the inner cavity of the pump port 6, the baffle 903 is contacted with the outer wall of the telescopic rod 5, the baffle 903 is squeezed to swing the baffle 903, the telescopic rod 5 is displaced to the right side of the baffle 903, the telescopic rod 5 is movably connected with the inner wall of the U-shaped rod 901, so that the baffle 903 cannot swing back under the influence of the bent telescopic tube 902, the cross rod 804 cannot return to the initial position under the force of the coil spring 803, the interface frame 2 and the pump port 6 are connected to be restricted and cannot be separated, when the cross rod 804 is restricted and cannot be retracted, the pressing block 3 is pressed downwards to lower the push rod 4, the push rod 4 descends, the telescopic rod 5 is retracted, at this time, the coil spring 803 always acts to pull the cross rod 804 back in the direction away from the pump port 6, when the pressing block 3 is released, the spring action on the pressing block 3 retracts the ejector rod 4 to the initial position, and at the same time, the cross rod 804 is retracted, so that the unlocking of the restriction of the pump port 6 and the interface frame 2 is completed.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mounting structure of fuel pump oil pipe connector, includes hydraulic fluid port (1), firm subassembly (8) and fixed subassembly (9), its characterized in that: the utility model discloses a pump assembly, including hydraulic fluid port (1), interface frame (2), the top fixed mounting of interface frame (2) has according to briquetting (3), the inner wall swing joint who presses briquetting (3) has ejector pin (4), the bottom swing joint of ejector pin (4) has telescopic link (5), the bottom fixed mounting of telescopic link (5) has pump mouth (6), the right side swing joint of interface frame (2) has bull stick (7), the inner wall of bull stick (7) and the top swing joint of firm subassembly (8), the right side of firm subassembly (8) and the left side fixed connection of fixed subassembly (9).

2. The mounting structure of an oil pipe joint of a fuel pump according to claim 1, wherein: firm subassembly (8) include connecting rod (801), the bottom fixed mounting of connecting rod (801) has removal box (802), the inner wall fixed mounting who removes box (802) has coil spring (803), the outer wall swing joint of coil spring (803) has horizontal pole (804), the outer wall fixed mounting of horizontal pole (804) has first stopper (805), the outer wall fixed mounting of horizontal pole (804) has second stopper (806).

3. The mounting structure of an oil pipe joint of a fuel pump according to claim 1, wherein: the fixing assembly (9) comprises a U-shaped rod (901), a bent telescopic pipe (902) is fixedly installed on the outer wall of the U-shaped rod (901), a baffle plate (903) is fixedly installed at one end, far away from the U-shaped rod (901), of the bent telescopic pipe (902), and a swing bearing (904) is fixedly installed on the left side of the baffle plate (903).

4. A mounting structure of a fuel pump fuel pipe joint according to claim 3, characterized in that: the number of the swing bearings (904) is two, and the two swing bearings (904) are both positioned at two ends of the U-shaped rod (901).

5. The mounting structure of a fuel pump fuel pipe joint according to claim 4, wherein: the number of the baffles (903) is two, the left side of one baffle (903) is fixedly connected with the inner wall of the swinging bearing (904) positioned at the left end of the U-shaped rod (901), and the right side of the other baffle (903) is fixedly connected with the inner wall of the swinging bearing (904) positioned at the right side of the U-shaped rod (901).

6. A mounting structure of a fuel pump fuel pipe joint according to claim 3, characterized in that: the length from the bottom end of the baffle plate (903) to the bottom end of the inner wall of the U-shaped rod (901) is larger than the diameter of the telescopic rod (5).

7. The mounting structure of an oil pipe joint of a fuel pump according to claim 1, wherein: the outer wall of ejector pin (4) is equipped with spring and carriage release lever, and the carriage release lever is located the top of ejector pin (4), and the spring cup joints the outer wall at ejector pin (4), the top of spring and the bottom fixed connection of carriage release lever, the bottom of spring and the top fixed connection of interface frame (2), the outer wall of wind spring (803) and the top and the bottom of horizontal pole (804) are provided with the tooth, and the diameter of the bottom of ejector pin (4) is less than the diameter on telescopic link (5) top.