Split type electronic injection intake manifold
Through the split design and use of the connection device, the complexity of the existing electric injection intake manifold when installing the fuel injector assembly is solved, the production and development costs are reduced, and the flexibility is improved to meet the installation needs of different models.
Patent Information
- Application Number
- CN202421959315.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The existing electric injection air intake manifold needs to be installed at the corresponding angle with the oil inlet channel when the fuel injector assembly is installed, which leads to high production difficulty, complex mold structure, and high development costs, thereby increasing production and development costs.
The split-type electro-injection air intake manifold design includes pipe fittings and fuel injector mounting support. The fuel injector mounting support is connected to the epitaxial body through the connecting device to realize the connection between the air intake passage and the oil intake passage, and ensure a stable connection through the positioning member and the connecting member.
It reduces the production difficulty and production development costs, simplifies the mold structure of pipe fittings, reduces the development cost and development time of the injector installation support, and can replace the injector installation support according to actual needs to meet the installation needs of different models.
Smart Images

Figure CN222835872U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electronic injection intake manifolds, in particular to a split electronic injection intake manifold. Background Art
[0002] The existing electronic fuel injection intake manifold is integrally formed and is provided with an intake channel and an oil inlet channel. When in use, the injector assembly is installed on the electronic fuel injection intake manifold, the gas enters from the intake channel, and the fuel sprayed by the injector assembly enters from the oil inlet channel and mixes with the gas in the intake channel.
[0003] However, in order to avoid the wetting of the wall when the fuel is introduced and thus affect the performance effect, the existing injector assembly needs to be installed at a corresponding angle with the oil inlet channel. Therefore, in addition to having the performance of providing oil and gas for introduction, the electronic fuel injection intake manifold must also meet the installation requirements of the injector assembly, which makes the production of the electronic fuel injection intake manifold more difficult, resulting in a more complex structure of the molding mold of the electronic fuel injection intake manifold and higher development costs, which in turn results in higher production and development costs for the electronic fuel injection intake manifold. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a split electronic fuel injection intake manifold which can reduce the difficulty of manufacturing and reduce the production and development costs.
[0005] The purpose of the utility model is achieved by the following technical solutions:
[0006] A split electronic fuel injection intake manifold comprises a pipe fitting and an injector mounting support; the pipe fitting is provided with an air intake passage and an oil intake passage; the oil intake passage is communicated with the air intake passage; the pipe fitting comprises a main body and an extension body, the extension body is provided on the main body; the air intake passage is provided on the main body, and the oil intake passage extends from the extension body to the main body; the injector mounting support is connected to the extension body through a connecting device; the connecting device comprises a positioning member and a connecting member; the extension body is provided with a first positioning hole, the injector mounting support is provided with a second positioning hole, the positioning member is used to be inserted into the first positioning hole and the second positioning hole; the injector mounting support is provided with a first matching portion, the extension body is provided with a second matching portion, the connecting member is used to match with the first matching portion and to be connected with the second matching portion.
[0007] The injector mounting support is provided with a first matching portion, the extension body is provided with a second matching portion, and the connecting piece is used to match with the first matching portion and connect with the second matching portion.
[0008] The connecting member is a connecting bolt, the first matching portion is an insertion hole for the connecting bolt to be inserted, and the second matching portion is a threaded hole for the bolt to be threadedly connected.
[0009] The second matching portion is arranged on an end of the extension body away from the main body.
[0010] The positioning member is a positioning pin.
[0011] The epitaxial body is integrally formed on the main body; from one end of the epitaxial body formed on the main body to one end of the epitaxial body away from the main body, the epitaxial body gradually tilts downward.
[0012] The fuel injector mounting support is provided with a third matching portion, the third matching portion is connected with a fuel injector locking piece, and the fuel injector locking piece is used to fix the fuel injector assembly on the fuel injector mounting support.
[0013] The injector locking piece is a locking bolt.
[0014] The third matching portion is a connecting hole, an inner wall of the connecting hole is provided with an internal thread, and the connecting hole is used for threaded connection of a locking bolt.
[0015] The injector mounting support comprises a main seat body and a supporting body, wherein the supporting body is arranged on the main seat body, the third matching portion is formed on the supporting body, and the first matching portion and the second positioning hole are arranged on the main seat body.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] The utility model provides a split type electronic fuel injection intake manifold, which, by combining a pipe fitting and an injector mounting bracket, connects the injector mounting bracket to the extension body through a connecting device, can have the performance of supplying oil and gas and meet the requirements for installing the injector assembly, and is convenient to manufacture, which can reduce the difficulty of manufacture, shorten the development time, and reduce the production and development cost; moreover, the injector mounting bracket can be replaced on the pipe fitting according to actual needs, which can meet the installation requirements of the injector assemblies of different models. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the split type electronic injection intake manifold of the utility model;
[0019] Figure 2 It is an exploded view of the split type electronic injection intake manifold of the utility model;
[0020] Figure 3 It is a cross-sectional view of the split type electronic fuel injection intake manifold of the utility model;
[0021] Figure 4 A schematic diagram of the structure of the injector assembly.
[0022] Among them, 10, pipe fitting; 11, air intake channel; 12, oil intake channel; 13, main body; 14, extension body; 15, first positioning hole; 16, second matching part; 20, injector mounting support; 21, second positioning hole; 22, first matching part; 23, main seat body; 24, supporting body; 25, third matching part; 30, positioning piece; 40, connecting piece; 50, injector assembly; 51, positioning area; 52, outer protrusion; 53, positioning rib; 60, injector locking piece; 70, connecting device. DETAILED DESCRIPTION
[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0024] like Figure 1-4 As shown, a split type electronic fuel injection intake manifold comprises a pipe 10 and an injector mounting bracket 20; the pipe 10 is provided with an intake passage 11 and an oil intake passage 12; the oil intake passage 12 is communicated with the intake passage 11; the pipe 10 comprises a main body 13 and an extension 14, the extension 14 is arranged on the main body 13; the intake passage 11 is arranged on the main body 13, the oil intake passage 12 extends from the extension 14 to the main body 13; the injector mounting bracket 20 is connected to the main body 13 through a connecting device 70. The connecting device 70 is connected to the extension body 14; the connecting device 70 includes a positioning member 30 and a connecting member 40; the extension body 14 is provided with a first positioning hole 15, and the injector mounting support 20 is provided with a second positioning hole 21, and the positioning member 30 is used to be inserted into the first positioning hole 15 and the second positioning hole 21; the injector mounting support 20 is provided with a first matching portion 22, and the extension body 14 is provided with a second matching portion 16, and the connecting member 40 is used to match with the first matching portion 22 and connect with the second matching portion 16.
[0025] When in use, the positioning member 30 can be inserted into the first positioning hole 15 and the second positioning hole 21, and can be matched with the first matching portion 22 through the connecting member 40, and connected to the second matching portion 16 at the same time, so as to ensure the stability of the connection between the injector mounting support 20 and the pipe fitting 10, and complete the assembly of the split-type electronic fuel injection intake manifold. Since the utility model provides a split-type electronic fuel injection intake manifold, it adopts the pipe fitting 10 and the injector mounting support 20, and sets the intake channel 11 on the main body 13 of the pipe fitting 10, and extends the oil intake channel 12 from the extension body 14 to the main body 13, and can be inserted into the first positioning hole 15 of the extension body 14 and the second positioning hole 21 of the injector mounting support 20 by the positioning member 30, and can be matched with the first matching portion 22 through the connecting member 40, and can be connected to the second matching portion 16 at the same time, so as to realize the connection between the pipe fitting 10 and the injector mounting support 20, so as to have the performance of supplying oil and gas, and through the injector mounting support 20, the oil inlet channel 11 is arranged on the main body 13 of the pipe fitting 10, and the oil inlet channel 12 is extended from the extension body 14 to the main body 13. The mounting bracket 20 can be used for installing the injector assembly 50, so that the split electronic injection intake manifold can also meet the installation requirements of the injector assembly 50, and compared with the existing one-piece electronic injection intake manifold, it is more convenient to manufacture, which can reduce the difficulty of manufacture, and can simplify the structure of the molding die of the pipe fitting 10, reduce the development cost of the molding die of the pipe fitting 10, and reduce the development cost and development time of the injector mounting bracket 20, thereby reducing the production and development cost of the split electronic injection intake manifold; moreover, the injector mounting bracket 20 can be replaced on the pipe fitting 10 according to actual needs, which can meet the installation requirements of the injector assembly 50 of different models.
[0026] The connecting member 40 is a connecting bolt, the first matching portion 22 is an insertion hole for the connecting bolt to be inserted, and the second matching portion 16 is a threaded hole for the bolt to be threadedly connected.
[0027] Of course, in addition to connecting bolts, the connecting member 40 can also adopt various existing connecting components such as clamping columns, but using connecting bolts for the connecting member 40 is the most preferred embodiment of the utility model, which can facilitate connection and reduce costs.
[0028] Specifically, the second matching portion 16 is disposed on an end of the extension body 14 away from the main body 13 .
[0029] As a preferred embodiment of the present invention, the diameter of the threaded hole is larger than the outer diameter of the connecting bolt, so that the connecting position of the connecting bolt can be adjusted according to assembly requirements to fine-tune the installation angle of the injector mounting bracket 20.
[0030] The positioning member 30 is a positioning pin.
[0031] Of course, in addition to the positioning pin, the positioning member 30 can also adopt various existing positioning components such as positioning columns, but using the positioning pin as the positioning member 30 is the most preferred embodiment of the utility model, which can play a positioning role and reduce costs.
[0032] As a preferred embodiment of the present invention, the extension body 14 is integrally formed on the main body 13; the extension body 14 gradually tilts downward from one end of the extension body 14 formed on the main body 13 to the end of the extension body 14 away from the main body 13. By adopting the above arrangement of the extension body 14, the support of the injector mounting bracket 20 by the extension body 14 can make the injector mounting bracket 20 be in the corresponding installation position.
[0033] The injector mounting bracket 20 is provided with a third matching portion 25, and the third matching portion 25 is connected with an injector locking member 60, and the injector locking member 60 is used to fix the injector assembly 50 on the injector mounting bracket 20. By adopting the above arrangement, the injector assembly 50 can be easily fixed.
[0034] The injector locking member 60 is a locking bolt. Specifically, the third matching portion 25 is a connecting hole, the inner wall of which is provided with an internal thread, and the connecting hole is used for threaded connection of the locking bolt. When in use, the injector assembly 50 can be mounted on the injector mounting support 20, and then the locking bolt is inserted into the through hole of the injector assembly 50 and then threadedly connected in the connecting hole, so as to facilitate fixing the injector assembly 50 on the injector mounting support 20.
[0035] As a preferred embodiment of the present invention, the central axis of the third matching portion 25 coincides with the central axis of the second positioning hole 21 .
[0036] Preferably, the injector mounting support 20 includes a main body 23 and a support body 24, the support body 24 is disposed on the main body 23 and extends upward, the third matching portion 25 is formed on the support body 24, the first matching portion 22 is disposed on the main body 23, and the second positioning hole 21 is disposed on the main body 23. The width of the main body 23 is greater than the width of the support body 24, so as to save materials, reduce manufacturing costs, reduce weight, and reduce the load of the pipe 10.
[0037] Of course, in addition to this, the structure of the injector mounting bracket 20 can be set according to actual needs, but the injector mounting bracket 20 adopts a combination of a main seat body 23 and a support body 24, which is the most preferred embodiment of the present utility model, which is convenient for production, reduces the materials used for production, and further reduces the production cost.
[0038] As a preferred embodiment of the utility model, the injector assembly 50 is provided with a positioning area 51, and one end of the injector mounting support 20 away from the extension 14 is embedded in the positioning area 51 of the injector assembly 50. By adopting the above arrangement, the installation and positioning between the injector assembly 50 and the injector mounting support 20 can be facilitated. Specifically, the injector assembly 50 is provided with an outer protrusion 52 and a positioning rib 53, the positioning rib 53 is opposite to the outer protrusion 52, and the positioning area 51 is formed between the positioning rib 53 and the outer protrusion 52. By adopting the above arrangement, the formation of the positioning area 51 can be facilitated.
[0039] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A split type electronic fuel injection intake manifold, characterized in that: It comprises a pipe fitting and an injector mounting support; the pipe fitting is provided with an air inlet passage and an oil inlet passage; the oil inlet passage is communicated with the air inlet passage; the pipe fitting comprises a main body and an extension body, the extension body is provided on the main body; the air inlet passage is provided on the main body, the oil inlet passage extends from the extension body to the main body; the injector mounting support is connected to the extension body through a connecting device; the connecting device comprises a positioning member and a connecting member; the extension body is provided with a first positioning hole, the injector mounting support is provided with a second positioning hole, the positioning member is used to be inserted into the first positioning hole and the second positioning hole; the injector mounting support is provided with a first matching portion, the extension body is provided with a second matching portion, the connecting member is used to match with the first matching portion and to be connected with the second matching portion.
2. The split type electronic fuel injection intake manifold as claimed in claim 1, characterized in that: The connecting piece is a connecting bolt.
3. The split type electronic fuel injection intake manifold as claimed in claim 2, characterized in that: The first matching portion is an insertion hole for the connecting bolt to be inserted, and the second matching portion is a threaded hole for the bolt to be threadedly connected.
4. The split type electronic fuel injection intake manifold as claimed in claim 1, characterized in that: The second matching portion is arranged on an end of the extension body away from the main body.
5. The split type electronic fuel injection intake manifold as claimed in claim 1, characterized in that: The positioning member is a positioning pin.
6. The split type electronic fuel injection intake manifold as claimed in claim 1, characterized in that: The epitaxial body is integrally formed on the main body; from one end of the epitaxial body formed on the main body to one end of the epitaxial body away from the main body, the epitaxial body gradually tilts downward.
7. The split type electronic fuel injection intake manifold according to any one of claims 1 to 6, characterized in that: The fuel injector mounting support is provided with a third matching portion, the third matching portion is connected with a fuel injector locking piece, and the fuel injector locking piece is used to fix the fuel injector assembly on the fuel injector mounting support.
8. The split type electronic fuel injection intake manifold as claimed in claim 7, characterized in that: The injector locking piece is a locking bolt.
9. The split type electronic fuel injection intake manifold as claimed in claim 8, characterized in that: The third matching portion is a connecting hole, an inner wall of the connecting hole is provided with an internal thread, and the connecting hole is used for threaded connection of a locking bolt.
10. The split type electronic fuel injection intake manifold as claimed in claim 7, characterized in that: The injector mounting support comprises a main seat body and a supporting body, wherein the supporting body is arranged on the main seat body, the third matching portion is formed on the supporting body, and the first matching portion and the second positioning hole are arranged on the main seat body.