Compact electronic throttle body

Abstract

The utility model relates to the technical field of electronic throttle valve bodies, in particular to a compact electronic throttle valve body which comprises a side cover assembly, a throttle valve shell is connected to the side cover assembly, a direct-current motor is connected in an inner cavity of the throttle valve shell, a fixing screw is connected to the side wall of the throttle valve shell, and the direct-current motor is connected to the inner cavity of the throttle valve shell. A three-in-one sensor is connected in an inner cavity of the throttle valve shell, and a magnet block and a magnet base are connected in the inner cavity of the throttle valve shell and located above the three-in-one sensor. The opening and closing angle of the valve plate is controlled through the transmission structure, the sector gear, the intermediate gear and the motor gear are meshed with one another, the opening and closing angle of the valve plate is controlled through the direct-current motor, and the three-in-one sensor and the direct-current motor are integrally designed, so that the electronic throttle body is more compact during assembly, and the size of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic throttle bodies, in particular to a compact electronic throttle body. Background Art

[0002] The three-in-one sensor and DC motor in the current electronic throttle body are designed separately, and the gear set connected to the DC motor in the device is a full circle. As a result, the electronic throttle body is large during assembly, which affects the assembly space of the locomotive. To address the above problems, a compact electronic throttle body is needed. Utility Model Content

[0003] The purpose of the present utility model is to provide a compact electronic throttle body to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A compact electronic throttle body includes a side cover assembly, the side cover assembly is connected to a throttle housing, a DC motor is connected to the inner cavity of the throttle housing, a fixing screw is connected to the side wall of the throttle housing, a three-in-one sensor is connected to the inner cavity of the throttle housing, a magnet block and a magnet seat are connected in the inner cavity of the throttle housing and above the three-in-one sensor, a fan-shaped shaft is connected to the magnet seat through a retaining ring and a gasket, a valve plate is connected in the inner cavity of the throttle housing and on the side wall of the fan-shaped shaft, and a spiral Spring, a sealing ring is provided on the contact surface between the side cover assembly and the throttle housing, a sector gear is connected to the end face of the sector shaft, an intermediate gear is meshed and connected on the side wall of the sector gear, a motor gear is meshed and connected on the side wall of the intermediate gear, the motor gear is connected to the driving end of the DC motor, a fastening screw is provided between the side cover assembly and the throttle housing, an adjusting screw is connected on the side wall of the throttle housing, a fastening nut is provided on the outer wall of the adjusting screw, a valve plate screw is connected between the sector shaft and the valve plate, and the sector gear is a sector-shaped structure.

[0006] As a preferred solution of the present invention, the three-in-one sensor and the DC motor are connected via a wire and the connection is electrical.

[0007] As a preferred solution of the present invention, the three-in-one sensor is connected to the inner cavity of the throttle housing by fixing screws.

[0008] As a preferred solution of the present invention, the sector shaft is connected to the inner cavity of the throttle housing through a bearing, wherein the sector shaft and the bearing are connected in a rotational manner.

[0009] As a preferred solution of the present invention, the central shaft on the intermediate gear is connected to the inner cavity of the throttle housing through a bearing, wherein the central shaft on the intermediate gear and the bearing are connected in a rotational manner.

[0010] As a preferred solution of the present invention, the throttle housing and the adjusting screw are connected in a threaded manner, and the adjusting screw and the fastening nut are connected in a threaded manner.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] In the utility model, the operation of the DC motor is controlled by a three-in-one sensor in the compact electronic throttle body, and then the opening and closing angle of the valve plate is controlled through the transmission structure, wherein the sector gear, the intermediate gear, and the motor gear are engaged with each other, and the opening and closing angle of the valve plate is controlled by the DC motor. The integrated design of the three-in-one sensor and the DC motor makes the electronic throttle body more compact during assembly, thereby reducing the size of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the cross-sectional structure of the front side of the utility model;

[0014] Figure 2 This is a schematic cross-sectional view of the side structure of the present invention;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model when viewed from above;

[0016] Figure 4 This is a schematic diagram of the front and side structure of the utility model.

[0017] In the figure: 1. Side cover assembly; 2. Throttle housing; 3. DC motor; 4. Fixing screw; 5. Three-in-one sensor; 6. Magnet block; 7. Magnet seat; 8. Retaining ring; 9. Gasket; 10. Sector shaft; 11. Valve plate; 12. Coil spring; 13. Sealing ring; 14. Sector gear; 15. Intermediate gear; 16. Motor gear; 17. Fastening screw; 18. Adjusting screw; 19. Fastening nut; 20. Valve plate screw. DETAILED DESCRIPTION

[0018] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0022] For example, please refer to Figure 1-4 , the utility model provides a technical solution:

[0023] A compact electronic throttle body includes a side cover assembly 1, a throttle housing 2 is connected to the side cover assembly 1, a DC motor 3 is connected to the inner cavity of the throttle housing 2, a fixing screw 4 is connected to the side wall of the throttle housing 2, a three-in-one sensor 5 is connected to the inner cavity of the throttle housing 2, a magnet block 6 and a magnet seat 7 are connected in the inner cavity of the throttle housing 2 and above the three-in-one sensor 5, a fan-shaped shaft 10 is connected to the magnet seat 7 through a retaining ring 8 and a gasket 9, a valve plate 11 is connected in the inner cavity of the throttle housing 2 and on the side wall of the fan-shaped shaft 10, and a spiral is provided on the outer wall of the fan-shaped shaft 10. Spring 12, a sealing ring 13 is provided on the contact surface between the side cover assembly 1 and the throttle housing 2, a sector gear 14 is connected to the end surface of the sector shaft 10, an intermediate gear 15 is meshedly connected to the side wall of the sector gear 14, a motor gear 16 is meshedly connected to the side wall of the intermediate gear 15, and the motor gear 16 is connected to the driving end of the DC motor 3, a fastening screw 17 is provided between the side cover assembly 1 and the throttle housing 2, an adjusting screw 18 is connected to the side wall of the throttle housing 2, a fastening nut 19 is provided on the outer wall of the adjusting screw 18, and a valve disc screw 20 is connected between the sector shaft 10 and the valve disc 11;

[0024] Furthermore, the sector gear 14 is a sector-shaped structure, which makes the device more compact during assembly and reduces the assembly volume;

[0025] In this embodiment, reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , under the condition that the three-in-one sensor 5 and the DC motor 3 are connected by a wire and the connection mode is electrical connection, the operation of the DC motor 3 is controlled by the three-in-one sensor 5. When the driving end of the DC motor 3 rotates, the motor gear 16 is driven to rotate. The motor gear 16 is meshed and connected on the side wall of the intermediate gear 15. The central shaft of the intermediate gear 15 is connected to the inner cavity of the throttle housing 2 through a bearing. The central shaft of the intermediate gear 15 and the bearing are connected in a rotating connection mode, which drives the intermediate gear 15 to rotate. In the sector The side wall of the gear 14 is meshed with an intermediate gear 15, which drives the sector gear 14 to rotate. The sector shaft 10 is connected to the inner cavity of the throttle housing 2 through a bearing, wherein the sector shaft 10 and the bearing are connected in a rotating manner to drive the sector shaft 10 to rotate. The valve disc 11 is driven to rotate under the condition that a valve disc screw 20 is connected between the sector shaft 10 and the valve disc 11, and then the valve disc 11 is opened. After that, under the action of the three-in-one sensor 5, the size of the flow is sensed, and then the angle of rotation of the valve disc 11 is adjusted by the DC motor 3.

[0026] Furthermore, the three-in-one sensor 5 is electrically connected to the DC motor 3 via a wire, and the operation of the DC motor 3 can be controlled by the three-in-one sensor 5;

[0027] Furthermore, the three-in-one sensor 5 is connected to the inner cavity of the throttle housing 2 through the fixing screw 4, and the fan shaft 10 is connected to the inner cavity of the throttle housing 2 through a bearing, wherein the connection between the fan shaft 10 and the bearing is a rotational connection, and the center shaft on the intermediate gear 15 is connected to the inner cavity of the throttle housing 2 through a bearing, wherein the connection between the center shaft on the intermediate gear 15 and the bearing is a rotational connection, the connection between the throttle housing 2 and the adjusting screw 18 is a threaded connection, and the connection between the adjusting screw 18 and the fastening nut 19 is a threaded connection. Through the mutual interaction between the various components of the device, the device can operate smoothly when in use.

[0028] The working process of the utility model is as follows: when using a compact electronic throttle body, the three-in-one sensor 5 is connected to the DC motor 3 through a wire and the connection mode is electrical connection, and the DC motor 3 is controlled to operate by the three-in-one sensor 5. When the driving end of the DC motor 3 rotates, the motor gear 16 is driven to rotate. The motor gear 16 is meshed and connected on the side wall of the intermediate gear 15. The central shaft of the intermediate gear 15 is connected to the inner cavity of the throttle housing 2 through a bearing, wherein the central shaft of the intermediate gear 15 is connected to the bearing in a rotational connection, which drives the intermediate gear 15. The intermediate gear 15 rotates, and the sector gear 14 is driven to rotate under the condition that the intermediate gear 15 is meshed and connected on the side wall of the sector gear 14. The sector shaft 10 is connected to the inner cavity of the throttle housing 2 through a bearing, and the sector shaft 10 is driven to rotate under the condition that the sector shaft 10 and the bearing are connected in a rotating manner. The valve disc 11 is driven to rotate under the condition that the valve disc screw 20 is connected between the sector shaft 10 and the valve disc 11, and then the valve disc 11 is opened. After that, under the action of the three-in-one sensor 5, the flow rate is sensed, and then the rotation angle of the valve disc 11 is adjusted by the DC motor 3.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compact electronic throttle body, comprising a side cover assembly (1), characterized in that: The side cover assembly (1) is connected to a throttle housing (2), a DC motor (3) is connected to the inner cavity of the throttle housing (2), a fixing screw (4) is connected to the side wall of the throttle housing (2), a three-in-one sensor (5) is connected to the inner cavity of the throttle housing (2), a magnet block (6) and a magnet seat (7) are connected in the inner cavity of the throttle housing (2) and above the three-in-one sensor (5), a fan-shaped shaft (10) is connected to the magnet seat (7) through a retaining ring (8) and a gasket (9), a valve plate (11) is connected in the inner cavity of the throttle housing (2) and on the side wall of the fan-shaped shaft (10), a coil spring (12) is provided on the outer wall of the fan-shaped shaft (10), and the side cover assembly (1) is connected to the throttle housing (2). A sealing ring (13) is provided on the contact surface of the housing (2), a sector gear (14) is connected to the end surface of the sector shaft (10), an intermediate gear (15) is meshedly connected to the side wall of the sector gear (14), a motor gear (16) is meshedly connected to the side wall of the intermediate gear (15), and the motor gear (16) is connected to the driving end of the DC motor (3). A fastening screw (17) is provided between the side cover assembly (1) and the throttle housing (2), an adjusting screw (18) is connected to the side wall of the throttle housing (2), and a fastening nut (19) is provided on the outer wall of the adjusting screw (18). A valve plate screw (20) is connected between the sector shaft (10) and the valve plate (11), and the sector gear (14) is a sector-shaped structure.

2. A compact electronic throttle body according to claim 1, characterized in that: The three-in-one sensor (5) and the DC motor (3) are connected via a wire, and the connection is electrical.

3. The compact electronic throttle body according to claim 1, characterized in that: The three-in-one sensor (5) is connected to the inner cavity of the throttle housing (2) via a fixing screw (4).

4. The compact electronic throttle body according to claim 1, characterized in that: The sector shaft (10) is connected to the inner cavity of the throttle housing (2) via a bearing, wherein the sector shaft (10) and the bearing are connected in a rotational manner.

5. The compact electronic throttle body according to claim 1, characterized in that: The central shaft on the intermediate gear (15) is connected to the inner cavity of the throttle housing (2) via a bearing, wherein the central shaft on the intermediate gear (15) and the bearing are connected in a rotational manner.

6. The compact electronic throttle body according to claim 1, characterized in that: The throttle housing (2) and the adjusting screw (18) are connected in a threaded manner, and the adjusting screw (18) and the fastening nut (19) are connected in a threaded manner.

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