Lead structure of pneumatic servo valve
By designing the annular groove and flexible lead hole positions on the pneumatic servo valve base, the problem of limited lead hole positions in the prior art is solved, the design of the deflation valve structure is simplified, the processability and economy are improved, and the Fixability of the wiring harness.
Patent Information
- Application Number
- CN202421140514.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-04-24
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The lead hole position in the existing pneumatic servo valve base structure is limited, resulting in a complex structure of the deflation valve, increasing processing difficulty and design limitations.
Design a lead structure of a pneumatic servo valve, in which a torque motor and a base are provided in the housing, and an annular groove and a lead hole are provided on the base. The lead is led out of the control coil and through the base hole along the inner wall of the housing, and the annular groove is located in On the right side of the air outlet, the leads allow the electrical connectors to be loaded from any position, simplifying the structural design.
Simplified the structural design of the exhaust valve, increased layout selectivity and processability, optimized the gas path layout, improved the overall processability and economy, and fixed the leads through the annular groove to prevent wire harness wear due to vibration and other reasons. .
Smart Images
Figure CN222334630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a pneumatic servo valve base, in particular to a lead wire structure of a pneumatic servo valve. Background Art
[0002] The pneumatic servo valve is installed on the bleed valve. The onboard controller inputs current instructions to the pneumatic servo valve according to usage requirements. Under the action of the coil and magnet, the fork opening is adjusted to adjust the input pressure to the required output pressure.
[0003] At present, the pneumatic servo valve base structure of similar foreign products is as follows: Figure 4 As shown, the lead holes are designed on both sides of the air inlet and the air outlet. This structure is limited by the location of the air inlet and the air outlet, where the valve core and the valve sleeve need to be installed. The limited position of the lead holes restricts the structural design of the bleed valve, resulting in a complex structure of the bleed valve and increased difficulty in the processing technology.
[0004] Therefore, it is necessary to develop a lead structure of a pneumatic servo valve with flexible lead position and simplified structural design of the air release valve. Summary of the invention
[0005] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and provide a lead wire structure of a pneumatic servo valve.
[0006] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a lead wire structure of a pneumatic servo valve, comprising a housing, a torque motor located in the housing, and a base connected to the housing, wherein the base is provided with an air outlet located in the middle of the base, an air inlet located on the upper side of the air outlet, and a lead wire hole located on the right side of the air outlet, wherein the air outlet, the air inlet and the lead wire hole are connected to the deflation valve, and characterized in that:
[0007] The base is provided with an annular groove, and the lead-in hole is located in the annular groove;
[0008] The lead wire is led out from the control coil inside the torque motor, passes through the lead wire hole of the base along the inner wall of the shell, enters the annular groove, and is installed into the electrical connector installation cavity of the air release valve.
[0009] In the above technical solution, the annular groove is opened on the base from the right side of the air outlet to the left side of the air outlet.
[0010] Compared with the prior art, the utility model has the following advantages.
[0011] 1) After the lead wire of the utility model is led out from the upper end of the control coil, it can be installed into the valve electrical connector installation cavity from any position of the annular groove, which can simplify the structural design of the bleed valve, increase the optionality of the bleed valve structural layout design, optimize the gas path layout, and improve the overall processability and economy.
[0012] 2) The annular groove of the utility model can firmly fix the lead wire between the pneumatic servo valve base and the exhaust valve housing, thereby preventing the wire harness from being worn due to environmental factors such as vibration and impact during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of the structure of the base.
[0014] Figure 2 It is a structural schematic diagram of the utility model.
[0015] Figure 3 It is a cross-sectional view of the utility model.
[0016] Figure 4 It is a structural schematic diagram of a base in the prior art.
[0017] Among them, 1-shell, 2-torque motor, 21-control coil, 3-base, 31-air outlet, 32-air inlet, 33-lead hole, 4-annular groove, 5-lead. DETAILED DESCRIPTION
[0018] The following is a detailed description of the implementation of the utility model in conjunction with the accompanying drawings, but they do not constitute a limitation of the utility model and are only used as examples. At the same time, the advantages of the utility model will become clearer and easier to understand through the description.
[0019] Referring to the attached drawings, it can be seen that a lead wire structure of a pneumatic servo valve comprises a housing 1, a torque motor 2 located in the housing 1, and a base 3 connected to the housing 1, wherein the base 3 is provided with an air outlet 31 located in the middle of the base 3, an air inlet 32 located above the air outlet 31, and a lead wire hole 33 located on the right side of the air outlet 31, wherein the air outlet 31, the air inlet 32, and the lead wire hole 33 are connected to the deflation valve, and the characteristics are as follows:
[0020] The base 3 is provided with an annular groove 4, and the lead hole 33 is located in the annular groove 4;
[0021] The lead wire 5 is led out from the control coil 21 inside the torque motor 2, passes through the lead wire hole 33 of the base 3 along the inner wall of the housing 1, enters the annular groove 4, and is installed into the electrical connector installation cavity of the deflation valve.
[0022] The annular groove 4 is opened on the base 3 from the right side of the air outlet 31 to the left side of the air outlet 31 .
[0023] In actual use, the lead wire 5 can be installed into the electrical connector mounting cavity of the deflation valve from any position of the annular groove 4 .
[0024] Existing pneumatic servo valve base such as Figure 4As shown, the base 3 is installed on the deflation valve, and there are three interfaces connected to the deflation valve, namely, the air inlet 32, the air outlet 31 and the lead hole 33, and the positions of the three interfaces are relatively fixed.
[0025] Other parts not described belong to the prior art.
Claims
1. A wire guide structure for a pneumatic servo valve, comprising a housing (1), a torque motor (2) located in the housing (1), and a base (3) connected to the housing (1), wherein the base (3) is provided with an air outlet (31) located in the middle of the base (3), an air inlet (32) located above the air outlet (31), and a wire guide hole (33) located on the right side of the air outlet (31), wherein the air outlet (31), the air inlet (32) and the wire guide hole (33) are connected to a deflation valve, and characterized in that: The base (3) is provided with an annular groove (4), and the lead-in hole (33) is located in the annular groove (4); The lead wire (5) is led out from the control coil (21) inside the torque motor (2), passes through the lead wire hole (33) of the base (3) along the inner wall of the shell (1), enters the annular groove (4), and is installed into the electrical connector installation cavity of the air release valve.
2. The lead wire structure of a pneumatic servo valve according to claim 1, characterized in that: The annular groove (4) is opened on the base (3) along the right side of the air outlet (31) to the left side of the air outlet (31).