Fuel pump support assembly

Abstract

According to the technical scheme, the fuel pump support assembly is characterized by comprising a pump core support, an oil storage barrel used for containing the pump core support, a top cover assembly located above the oil storage barrel, two supporting rod assemblies connecting the top cover assembly with the oil storage barrel and an oil pipe used for siphoning fuel oil. The outer wall of the oil storage barrel is provided with multiple sets of rod grooves allowing the two supporting rod assemblies to correspond to each other, the oil pipe is bent and partially matched with the rod grooves, guide pipes used for being connected with the supporting rod assemblies can be clamped in the multiple sets of rod grooves, and the supporting rod assemblies and the oil pipe are mutually switched by judging whether the guide pipes are clamped in the rod grooves or not. The problems that in the prior art, parts in an oil storage barrel are crowded, the assembling mode is unique, and universality is poor are solved.

Description

Technical Field

[0001] The utility model relates to the field of automobile fuel pump assembly parts, and more specifically to a fuel pump bracket assembly. Background Art

[0002] The automobile fuel pump bracket assembly is one of the basic components of the automobile fuel injection system. Its function is to suck the fuel from the fuel tank and deliver the fuel to the fuel supply pipeline to enable the engine to work normally. The automobile fuel pump bracket assembly includes a pump core bracket, an oil storage barrel for accommodating the pump core bracket, a top cover assembly located above the oil storage barrel, a support rod assembly connecting the top cover assembly to the oil storage tank, and an oil pipe for siphoning fuel. The prior art has defects. First, most of the volume of the oil pipe in the prior art is contained in the oil storage barrel, which will cause the space inside the oil storage barrel to be crowded, making it difficult to install other parts and components, and squeezing between parts makes it difficult for some parts to perform their functions; second, in some fuel pump bracket assemblies that do not require oil pipes, after the oil pipes are removed, the space in the oil storage barrel will be reduced. Waste. If two different specifications of fuel pump bracket assemblies are designed according to whether oil pipes are needed, it is easy to cause a surplus of one specification of the fuel pump bracket assembly, resulting in increased costs for manufacturers and reducing the versatility of the fuel pump bracket assembly. Third, the position of the oil storage barrel for the support rod assembly to be plugged in is fixed, and the positions of the top cover assembly, the various pipelines and oil pipes connected to the pump core bracket are all fixed. In this way, the position and installation space for installing the fuel pump bracket assembly on the car are also fixed. Therefore, the versatility of the existing fuel pump bracket assembly is poor and cannot adapt to a variety of vehicle models. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a fuel pump bracket assembly with reasonable and diversified oil pipe installation.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fuel pump bracket assembly, including a pump core bracket, an oil storage barrel for accommodating the pump core bracket, a top cover assembly located above the oil storage barrel, two support rod assemblies connecting the top cover assembly with the oil storage barrel, and an oil pipe for siphoning fuel, wherein a plurality of rod grooves corresponding to the two support rod assemblies are arranged on the outer wall of the oil storage barrel, the oil pipe is bent and partially matched with the rod grooves, and guide tubes for connecting the support rod assemblies can be clamped in the plurality of rod grooves, and the support rod assembly and the oil pipe can be switched with each other by whether the guide tubes are clamped in the rod grooves.

[0005] As a further improvement of the utility model, multiple groups of rod grooves include limiting pipe grooves, oil pipe grooves and corrugated pipe grooves distributed along the height direction of the oil storage barrel, the inner cavity contours of the limiting pipe grooves and the corrugated pipe grooves are larger than the inner cavity contour of the oil pipe groove, the oil pipe includes a straight pipe portion matching the oil pipe groove and two corrugated portions respectively matching the limiting pipe groove and the corrugated pipe groove, and the guide tube matches the limiting pipe groove.

[0006] As a further improvement of the utility model, a notch is provided on the groove wall of the limiting pipe groove, and a U-shaped rib plate which can be inserted into the notch and is used to clamp a part of the guide tube is provided on the pump core bracket.

[0007] As a further improvement of the utility model, the opening width of the oil pipe groove located on the outer wall of the oil storage barrel is smaller than the maximum diameter of the straight pipe part.

[0008] As a further improvement of the utility model, a transition groove with a gradually changing inner diameter is further provided between the oil pipe groove and the bellows groove.

[0009] As a further improvement of the utility model, the support rod assembly includes a support rod, a spring sleeved outside the support rod and a buckle that can be inserted into the end of the support rod, the spring is limited between the guide tube and the top cover assembly, and a buckle groove is provided on the end of the support rod that passes through the guide tube for the buckle to be inserted from one side of the support rod, and the outer contour of the buckle is larger than the inner hole contour of the guide tube.

[0010] The beneficial effects of the utility model are as follows: by determining whether a guide tube is clamped in the rod groove, the support rod assembly and the oil pipe can be switched with each other and can be partially located in the rod groove. Compared with the prior art, such a design allows the manufacturer to select and change the connection position of the support rod assembly in multiple groups of rod grooves according to needs, thereby better adapting to different vehicle models and improving diversity and versatility; compared with the design in which most of the oil pipe is installed outside the oil storage barrel, the design in which most of the oil pipe is installed in the inner cavity of the oil storage barrel can save space in the oil storage barrel and alleviate the phenomenon of crowding and mutual interference of parts in the oil storage barrel; the design in which the oil pipe and the guide tube can be installed in the rod groove by switching with each other can realize the multi-functional use of the rod groove, improves the versatility of the oil storage barrel, and the installation stability between the oil pipe and the oil storage barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a three-dimensional diagram of the utility model equipped with only the support rod assembly;

[0012] Figure 2 for Figure 1 Split diagram of ;

[0013] Figure 3 for Figure 1 A three-dimensional diagram of the middle pump core bracket and the guide tube when combined;

[0014] Figure 4 This is a three-dimensional diagram of the utility model equipped with a support rod assembly and an oil pipe;

[0015] Figure 5 for Figure 4 Split diagram of ;

[0016] Figure 6 for Figure 4 A three-dimensional view of the middle pump core bracket;

[0017] Figure 7 It is a three-dimensional diagram of the oil storage barrel in the utility model.

[0018] Figure numerals: 1. Pump core bracket; 11. U-shaped rib plate; 2. Oil storage barrel; 3. Top cover assembly; 4. Support rod assembly; 41. Support rod; 42. Spring; 43. Buckle; 44. Buckle groove; 5. Oil pipe; 51. Straight pipe portion; 52. Corrugated portion; 6. Rod groove; 61. Limiting pipe groove; 611. Notch; 62. Oil pipe groove; 63. Bellows groove; 64. Transition groove; 7. Guide pipe. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments, wherein the same components are indicated by the same reference numerals.

[0020] Reference Figures 1 to 7 As shown, a fuel pump bracket assembly of this embodiment includes a pump core bracket 1, an oil storage barrel 2 for accommodating the pump core bracket 1, a top cover assembly 3 located above the oil storage barrel 2, two support rod assemblies 4 connecting the top cover assembly 3 with the oil storage barrel 2, and an oil pipe 5 for siphoning fuel. When the pump core bracket 1 is installed in the oil storage barrel 2, the outer wall of the pump core bracket 1 is in contact with the inner wall of the oil storage barrel 2;

[0021] Based on the above-mentioned prior art, a plurality of groups of rod grooves 6 recessed into the inner cavity of the oil storage barrel 2 are arranged on the outer wall of the oil storage barrel 2, and the number of rod grooves 6 in each group is two. For the convenience of explanation, the number of groups of rod grooves 6 is positioned at two groups, and the four rod grooves 6 are all distributed in a circle around the center line of the oil storage barrel 2. The four rod grooves 6 all include a limiting pipe groove 61, an oil pipe groove 62 and a corrugated pipe groove 63 distributed along the height direction of the oil storage barrel 2. The limiting pipe groove 61 is adjacent to the port of the oil storage barrel 2. The inner cavity contours of the limiting pipe groove 61 and the corrugated pipe groove 63 are both larger than the inner cavity contour of the oil pipe groove 62. The connection between the limiting pipe groove 61 and the oil pipe groove 62 is a shoulder. The oil pipe 5 is formed by three bends of a straight pipe. The oil pipe 5 includes a connecting section connected to the pump core bracket 1, a connecting section parallel to the pump core bracket 1, and a connecting section parallel to the pump core bracket 1. The extension section on the upper surface of the frame 1, the limiting section that can be inserted into the rod groove 6 and the external section extending outside the oil storage barrel 2, the middle part of the limiting section is a straight pipe part 51 that matches the inner cavity of the oil pipe groove 62, and the two end parts of the limiting section are corrugated parts 52 that are respectively adapted to the limiting pipe groove 61 and the corrugated pipe groove 63, the outer diameter of the corrugated part 52 is larger than the outer diameter of the straight pipe part 51, the guide pipe 7 can be snapped into the limiting pipe groove 61 and touch the shoulder, the support rod assembly 4 includes a support rod 41, a spring 42 and a buckle 43, an annular buckle groove 44 is provided on one end of the support rod 41, the buckle 43 is U-shaped, the inner diameter of the buckle 43 is larger than the inner diameter of the buckle groove 44 and smaller than the outer diameter of the support rod 41, and the outer diameter of the buckle 43 is larger than the diameter of the inner hole of the guide tube 7;

[0022] During the installation of the support rod assembly 4, the manufacturer can select one group from the two groups of rod grooves 6 according to actual needs, and then the guide tubes 7 are inserted from top to bottom in the two selected rod grooves 6, and the guide tubes 7 are located in the corresponding limiting tube grooves 61. The end of the guide tube 7 touches the shoulder, and the outer wall of the port of the guide tube 7 is interference fit with the inner wall of the limiting tube groove 61. Then, one end of the two support rods 41 with the buckle grooves 44 passes through the two guide tubes 7 and extends into the corresponding oil pipe grooves 62, and the buckle 43 is moved into the oil pipe groove 62 and inserted into the buckle groove 44 so that the support rod 41 cannot be pulled out of the guide tube 7. Finally, the spring 42 is put on It is arranged outside the support rod 41 and contacts the end surface of the oil storage barrel 2, and the top cover assembly 3 is fixedly connected to the end of the support rod 41 located above the oil storage barrel 2, so that the spring 42 is limited between the top cover assembly 3 and the oil storage barrel 2, and the spring 42 limits the support rod 41 from moving downward; during the installation of the oil pipe 5, select a rod groove 6 to remove or do not install the guide pipe 7, and move the oil pipe 5 from one side of the oil storage barrel 2 to the oil storage barrel 2 until the straight pipe part 51 moves into the oil pipe groove 62 and the corrugated parts 52 at both ends move into the limiting pipe groove 61 and the corrugated pipe groove 63 respectively, then the oil pipe 5 and the oil storage barrel 2 are installed in place, and finally one end of the oil pipe 5 is connected to the pump core bracket 1;

[0023] Compared with the prior art, such a design allows the manufacturer to select and change the connection position of the support rod assembly 4 from multiple groups of rod grooves 6 according to needs, so as to better adapt to different vehicle models and improve diversity and versatility; compared with the design in which most of the oil pipe 5 is installed outside the oil storage barrel 2, the design in which most of the oil pipe 5 is installed in the inner cavity of the oil storage barrel 2 can save space in the oil storage barrel 2 and alleviate the phenomenon of crowding and mutual interference of parts in the oil storage barrel 2. The design in which the oil pipe 5 and the guide tube 7 can be installed in the rod groove 6 by switching with each other can realize the multi-functional use of the rod groove 6, improve the versatility of the oil storage barrel 2, and the installation stability between the oil pipe 5 and the oil storage barrel 2.

[0024] As a specific implementation method of the improvement, refer to Figure 3 , Figure 6 and Figure 7 As shown, a notch 611 is provided on the groove wall of the limiting groove 61 near the end of the oil storage barrel 2, and a U-shaped rib plate 11 is provided on the pump core bracket 1. The U-shaped rib plate 11 can fill the notch 611 and be completely spliced ​​with the groove wall of the limiting groove 61. The reinforcing ribs on the inner wall of the U-shaped rib plate 11 protrude toward the inner cavity of the limiting groove 61 and can fit with the outer wall of the guide tube 7, so that the U-shaped rib plate 11 can clamp the guide tube 7 partially through elastic deformation. Such a design can improve the connection stability of the guide tube 7 in the limiting groove 61; at the same time, it can improve the connection stability between the pump core bracket 1 and the oil storage barrel 2.

[0025] As a specific implementation method of the improvement, refer to Figure 4 and Figure 5 As shown, the opening width of the oil pipe groove 62 located on the outer wall of the oil storage barrel 2 is smaller than the maximum diameter of the straight pipe portion 51. The oil pipe 5 has a certain elastic deformation ability. The straight pipe portion 51 will be squeezed and deformed when passing through the opening of the oil pipe groove 62 until the straight pipe portion 51 completely enters or exits the oil pipe groove 62, and the straight pipe portion 51 restores the deformation. Such a design can improve the connection stability between the oil pipe 5 and the oil storage barrel 2 and slow down the phenomenon of the oil pipe 5 slipping out of the rod groove 6.

[0026] As a specific implementation method of the improvement, refer to Figure 4 , Figure 5 and Figure 7 As shown, a transition groove 64 with a gradually changing inner diameter is further provided between the oil pipe groove 62 and the bellows groove 63. Such a design enables the corrugated portion 52 to be partially clamped by the transition groove 64, thereby improving the connection stability of the corrugated portion 52 in the bellows groove 63. At the same time, the stress at the connection between the oil pipe groove 62 and the bellows groove 63 is more moderate, thereby indirectly improving the local structural stability of the rod groove 6.

[0027] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A fuel pump bracket assembly, comprising a pump core bracket (1), an oil storage barrel (2) for accommodating the pump core bracket (1), a top cover assembly (3) located above the oil storage barrel (2), two support rod assemblies (4) connecting the top cover assembly (3) and the oil storage barrel (2), and an oil pipe (5) for siphoning fuel, Features: The outer wall of the oil storage barrel (2) is provided with a plurality of rod grooves (6) corresponding to the two support rod assemblies (4); the oil pipe (5) is bent and partially matched with the rod grooves (6); a guide tube (7) for connecting the support rod assembly (4) can be clamped in each of the plurality of rod grooves (6); and the support rod assembly (4) and the oil pipe (5) can be switched with each other by whether the guide tube (7) is clamped in the rod groove (6).

2. A fuel pump bracket assembly according to claim 1, Features: The plurality of rod grooves (6) include a limit pipe groove (61), an oil pipe groove (62) and a corrugated pipe groove (63) distributed along the height direction of the oil storage barrel (2); the inner cavity contours of the limit pipe groove (61) and the corrugated pipe groove (63) are both larger than the inner cavity contour of the oil pipe groove (62); the oil pipe (5) includes a straight pipe portion (51) matching the oil pipe groove (62) and two sections of corrugated portions (52) respectively matching the limit pipe groove (61) and the corrugated pipe groove (63); and the guide pipe (7) matches the limit pipe groove (61).

3. A fuel pump bracket assembly according to claim 2, Features: A notch (611) is provided on the groove wall of the position-limiting pipe groove (61), and a U-shaped rib plate (11) which can be inserted into the notch (611) and is used to clamp a part of the guide tube (7) is provided on the pump core bracket (1).

4. A fuel pump bracket assembly according to claim 2, Features: The opening width of the oil pipe groove (62) located on the outer wall of the oil storage barrel (2) is smaller than the maximum diameter of the straight pipe portion (51).

5. A fuel pump bracket assembly according to claim 2, Features: A transition groove (64) with a gradually changing inner diameter is also provided between the oil pipe groove (62) and the bellows groove (63).

6. A fuel pump bracket assembly according to claim 1 or 2 or 3 or 4 or 5, Features: The support rod assembly (4) comprises a support rod (41), a spring (42) sleeved outside the support rod (41), and a buckle (43) that can be plugged into the end of the support rod (41); the spring (42) is limited between the guide tube (7) and the top cover assembly (3); the end of the support rod (41) passing through the guide tube (7) is provided with a buckle groove (44) for the buckle (43) to be inserted from one side of the support rod (41); the outer contour of the buckle (43) is larger than the inner hole contour of the guide tube (7).

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