A throttle valve rotating seal structure

Abstract

The utility model provides a throttle rotating sealing structure, which relates to the technical field of throttle connection, including a throttle body, an air inlet pipe is installed on one side of the throttle body, an air outlet pipe is installed on the upper end of the throttle body, an air guide pipe is installed on the upper end of the air outlet pipe, and a connecting mechanism is installed between the air outlet pipe and the air guide pipe. In the utility model, the user firstly performs a rotational connection between the air outlet pipe and the air guide pipe through the cooperation of the threaded pipe and the threaded ring, and then realizes the positioning between the threaded pipe and the threaded ring through the cooperation of the positioning rod and the positioning hole, so that the tightness between the air outlet pipe and the air guide pipe can be improved through the threaded pipe and the threaded ring, and the positioning of the threaded pipe can be realized through the positioning rod and the positioning hole, so as to avoid the situation of thread slippage between the threaded pipe and the threaded ring during the long-term driving of the vehicle, and improve the connection sealing.

Description

Technical Field

[0001] The utility model relates to the technical field of throttle connection, in particular to a throttle rotating sealing structure. Background Art

[0002] One end of the throttle is connected to the air filter or intercooler, and the other end is connected to the engine intake manifold. It is called the throat of the automobile engine. For example, the automobile electronic throttle proposed in the publication number "CN206668413U" includes a throttle body, an end cover connected to the throttle body, a DC motor and a gear transmission mechanism connected to the inside of the throttle body; the throttle body includes a motor cavity, a gear cavity and a gas channel, the DC motor is fixed in the motor cavity of the throttle body by a motor pressure plate and bolts, and the gear transmission mechanism is connected to the gear cavity of the throttle body; its characteristics are: the gas channel includes an upper port and a lower port, and both the upper port and the lower port are flange structures. It can reduce the occupied space, improve the installation efficiency, have good sealing, and be easy to install and disassemble; the installation positioning is accurate, which can ensure that there will be no steps on the inner surface of the pipe connection part, reduce the airflow noise when the engine is accelerated, and more easily meet the increasingly stringent automobile noise requirements, thereby ensuring driving comfort; small mass;

[0003] However, in the above technical solution, when the upper port is connected to the air duct through the flange, it is often positioned by the cooperation of bolts and nuts. However, during the long-term driving of the vehicle, the bolts on the flange are very likely to be stripped due to vibration, resulting in a gap in the flange between the upper port and the air duct, which reduces its sealing performance. Therefore, we propose a throttle rotating seal structure to solve the above problem. Utility Model Content

[0004] The main purpose of the utility model is to provide a throttle rotating sealing structure, which solves the problem that when the upper port is connected to the air duct through a flange, it is usually positioned by the cooperation of bolts and nuts, but during the long-term driving of the vehicle, the bolts on the flange are very likely to produce thread slippage due to vibration, thereby causing a gap in the flange between the upper port and the air duct, thereby reducing the sealing performance.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A throttle rotating sealing structure comprises a throttle body, an air inlet pipe is installed on one side of the throttle body, an air outlet pipe is installed on the upper end of the throttle body, an air guide pipe is installed on the upper end of the air outlet pipe, a connecting mechanism is installed between the air outlet pipe and the air guide pipe, a sealing groove is provided on the upper surface of the air outlet pipe, a sealing block is installed on the lower surface of the air guide pipe, and the sealing block is snap-fitted and installed inside the sealing groove.

[0007] Preferably, the connecting mechanism includes a threaded tube and a threaded ring, the threaded tube is movably mounted on the outside of the air outlet pipe, the threaded ring is fixedly mounted on the lower end of the outer side of the air guide pipe, and the threaded ring is mounted inside the threaded tube by threaded engagement.

[0008] Preferably, a limit block is installed at the upper end of the air outlet pipe, and the limit block is snap-connected with the threaded tube. Movable grooves are respectively provided at both ends of the interior of the threaded tube, and a movable block is movably installed inside the movable groove. Positioning rods are movably installed inside the movable groove and at one end close to the threaded ring. The ends of the positioning rods close to each other are snap-connected and installed inside the threaded ring. A guide groove is provided at one end of the movable block close to the positioning rod, and the ends of the positioning rods away from each other are movably installed inside the guide groove, and the positioning rod and the guide groove are in close contact with each other.

[0009] Preferably, guide rods are installed on the upper ends of the movable blocks, guide holes are provided on the inner upper ends of the movable grooves, the guide rods are snap-fitted and installed inside the guide holes, and No. 1 springs are sleeved and installed on the outer sides of the guide rod bodies between the movable grooves and the movable blocks.

[0010] Preferably, push rods are respectively installed at the lower ends of the movable blocks, and the push rods are movably installed through the inner lower ends of the movable grooves. A connecting ring is movably installed on the outer side of the pipe body of the air outlet pipe, and the connecting ring is connected to the push rods.

[0011] Preferably, positioning holes are provided at both ends of the threaded ring, the positioning rods are inserted into the positioning holes, push plates are installed on the outside of the rod body of the positioning rod located inside the movable groove, and No. 2 springs are installed on the outside of the rod body of the positioning rod located between the push plate and the movable groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) In the present invention, the user firstly rotates and connects the air outlet pipe and the air guide pipe by means of the cooperation between the threaded tube and the threaded ring, and then realizes the positioning between the threaded tube and the threaded ring by means of the cooperation between the positioning rod and the positioning hole. Thus, the tightness between the air outlet pipe and the air guide pipe can be improved by means of the threaded tube and the threaded ring, and the positioning of the threaded tube can be realized by means of the positioning rod and the positioning hole. Thus, the thread slippage between the threaded tube and the threaded ring during the long-term driving of the vehicle can be avoided, and the connection sealing can be improved.

[0014] (2) In the utility model, the sealing performance between the air outlet pipe and the air guide pipe is improved by the cooperation between the sealing block and the sealing groove, and gas leakage is further avoided. Then, the fit between the guide groove and the positioning rod facilitates the user to control whether the positioning rod is inserted into the positioning hole, which makes it easier for the user to install or separate the threaded pipe and the threaded ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a throttle rotating seal structure of the utility model;

[0016] Figure 2 It is a front view structural schematic diagram of a throttle rotating sealing structure of the utility model;

[0017] Figure 3 It is a side view structural schematic diagram of a throttle rotating seal structure of the utility model;

[0018] Figure 4 The utility model is a throttle rotating sealing structure Figure 3 Schematic diagram of the cross-section structure at AA in the middle;

[0019] Figure 5 The utility model is a throttle rotating sealing structure Figure 4 The enlarged structural diagram at B in the middle;

[0020] Figure 6 The utility model is a throttle rotating sealing structure Figure 5 Enlarged structural diagram at point C in the middle.

[0021] In the figure: 1. throttle body; 2. intake pipe; 3. exhaust pipe; 4. air guide pipe; 5. connecting mechanism; 501. threaded pipe; 502. threaded ring; 503. limit block; 504. movable groove; 505. guide hole; 506. guide rod; 507. No. 1 spring; 508. movable block; 509. guide groove; 510. push rod; 511. connecting ring; 512. positioning rod; 513. positioning hole; 514. push plate; 515. No. 2 spring; 6. sealing block; 7. sealing groove. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 6As shown, an embodiment of the utility model proposes a throttle rotating sealing structure, including a throttle body 1, an air inlet pipe 2 is installed on one side of the throttle body 1, an air outlet pipe 3 is installed on the upper end of the throttle body 1, an air guide pipe 4 is installed on the upper end of the air outlet pipe 3, a connecting mechanism 5 is installed between the air outlet pipe 3 and the air guide pipe 4, a sealing groove 7 is provided on the upper surface of the air outlet pipe 3, a sealing block 6 is installed on the lower surface of the air guide pipe 4, and the sealing block 6 is snap-fitted and installed inside the sealing groove 7.

[0024] like Figure 5 and Figure 6 As shown, in another embodiment of the present invention, the connecting mechanism 5 includes a threaded tube 501 and a threaded ring 502, the threaded tube 501 is movably sleeved and installed on the outer side of the air outlet pipe 3, the threaded ring 502 is fixedly installed on the outer lower end of the air guide pipe 4, the threaded ring 502 is installed inside the threaded tube 501 through threaded engagement, a limiting block 503 is installed on the upper end of the air outlet pipe 3, the limiting block 503 and the threaded tube 501 are engaged and connected, and movable grooves 504 are respectively provided at both ends of the inner part of the threaded tube 501, and movable blocks 508 are movably installed inside the movable groove 504, and positioning rods 512 are movably installed in the inner part of the movable groove 504 and close to the threaded ring 502. The ends of the positioning rods 512 close to each other are respectively engaged and installed in the inner part of the threaded ring 502, and the end of the movable block 508 close to the positioning rod 512 is provided with a guide groove 509, and the ends of the positioning rods 512 away from each other are respectively movably installed in the inner part of the guide groove 509, and the positioning rods 512 and the guide grooves 509 are fitted together, the upper ends of the movable blocks 508 are respectively installed with guide rods 506, the inner upper ends of the movable grooves 504 are respectively provided with guide holes 505, the guide rods 506 are respectively snap-fitted and installed inside the guide holes 505, the outer sides of the guide rods 506 located between the movable grooves 504 and the movable blocks 508 are respectively sleeved with No. 1 springs 507, and the lower ends of the movable blocks 508 are respectively installed with push rods 510, which are respectively movably penetrated by the push rods 510 installed in the movable grooves 504. At the lower end of the interior, a connecting ring 511 is movably mounted on the outer side of the tube body of the air outlet pipe 3, and the connecting ring 511 is connected to the push rod 510. Positioning holes 513 are respectively provided at both ends of the threaded ring 502, and the positioning rods 512 are respectively inserted into the interior of the positioning holes 513. Push plates 514 are respectively mounted on the outer side of the rod body of the positioning rod 512 located inside the movable groove 504, and No. 2 springs 515 are respectively mounted on the outer side of the rod body of the positioning rod 512 located between the push plate 514 and the movable groove 504.

[0025] The user first fits the air guide pipe 4 and the air outlet pipe 3 together, and allows the sealing block 6 to be inserted into the sealing groove 7. Then, the user sleeves the threaded tube 501 and installs it inside the threaded ring 502 through the thread, so as to achieve the installation of the air guide pipe 4 and the air outlet pipe 3. After the threaded tube 501 is installed, the user can loosen the connecting ring 511, and let the No. 1 spring 507 push the movable block 508 to move downward. Then, the movable block 508 can cooperate with the guide groove 509 to squeeze the positioning rod 512, so that the positioning rod 512 is inserted into the positioning hole 513 to achieve the positioning of the threaded tube 501 and the threaded ring 502.

[0026] When the threaded tube 501 needs to be installed, the user first pushes the push rod 510 upward through the connecting ring 511, allowing the push rod 510 to drive the movable block 508 and the guide rod 506 to move upward, so that the guide rod 506 moves up along the guide hole 505 to be positioned, and at the same time, the movable block 508 will also squeeze the No. 1 spring 507, and then as the movable block 508 and the guide groove 509 move upward, the No. 2 spring 515 will push the push plate 514 and the positioning rod 512 to move along the inclined surface of the guide groove 509 toward the movable groove 504, so that the positioning rod 512 does not hinder the rotation of the threaded tube 501.

[0027] The working principle of a throttle rotary seal structure:

[0028] When in use, the user first fits the air duct 4 and the air outlet pipe 3 together, allowing the sealing block 6 to be inserted into the inside of the sealing groove 7, and then the user installs the threaded tube 501 inside the threaded ring 502 through threads to achieve the installation of the air duct 4 and the air outlet pipe 3. Then, after the threaded tube 501 is installed, the user can loosen the connecting ring 511 and let the No. 1 spring 507 push the movable block 508 to move downward. Then the movable block 508 can cooperate with the guide groove 509 to squeeze the positioning rod 512, so that the positioning rod 512 is inserted into the inside of the positioning hole 513 to achieve the positioning of the threaded tube 501 and the threaded ring 502.

[0029] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A throttle valve rotary seal structure, comprising a throttle valve body (1), characterized in that: An air inlet pipe (2) is installed on one side of the throttle body (1), an air outlet pipe (3) is installed on the upper end of the throttle body (1), an air guide pipe (4) is installed on the upper end of the air outlet pipe (3), a connecting mechanism (5) is installed between the air outlet pipe (3) and the air guide pipe (4), a sealing groove (7) is provided on the upper surface of the air outlet pipe (3), a sealing block (6) is installed on the lower surface of the air guide pipe (4), and the sealing block (6) is snap-fitted and installed inside the sealing groove (7).

2. A throttle valve rotary seal structure according to claim 1, characterized in that: The connection mechanism (5) comprises a threaded tube (501) and a threaded ring (502); the threaded tube (501) is movably mounted on the outside of the air outlet tube (3); the threaded ring (502) is fixedly mounted on the lower end of the outside of the air guide tube (4); and the threaded ring (502) is mounted inside the threaded tube (501) by means of threaded engagement.

3. A throttle valve rotary seal structure according to claim 2, characterized in that: A limit block (503) is installed at the upper end of the air outlet pipe (3), and the limit block (503) is snap-connected with the threaded tube (501). Both ends of the threaded tube (501) are provided with movable grooves (504), and a movable block (508) is movably installed inside the movable groove (504). A positioning rod (512) is movably installed inside the movable groove (504) and at one end close to the threaded ring (502). The ends of the positioning rods (512) close to each other are snap-connected and installed inside the threaded ring (502). A guide groove (509) is provided at one end of the movable block (508) close to the positioning rod (512), and the ends of the positioning rods (512) away from each other are movably installed inside the guide groove (509), and the positioning rod (512) and the guide groove (509) are in close contact.

4. A throttle valve rotary seal structure according to claim 3, characterized in that: A guide rod (506) is installed at the upper end of each movable block (508), a guide hole (505) is provided at the inner upper end of each movable groove (504), and each guide rod (506) is snap-fitted and installed inside the guide hole (505). A No. 1 spring (507) is sleeved and installed on the outer side of the rod body of each guide rod (506) located between the movable groove (504) and the movable block (508).

5. A throttle valve rotary seal structure according to claim 3, characterized in that: The lower ends of the movable blocks (508) are respectively installed with push rods (510), and the push rods (510) are respectively movably installed through the lower ends of the inner parts of the movable grooves (504). The outer side of the pipe body of the air outlet pipe (3) is movably sleeved with a connecting ring (511), and the connecting ring (511) is connected to the push rods (510).

6. A throttle valve rotary seal structure according to claim 3, characterized in that: Positioning holes (513) are respectively provided at both ends of the threaded ring (502), and the positioning rods (512) are respectively inserted into the interior of the positioning holes (513). Push plates (514) are respectively installed on the outside of the rod body of the positioning rod (512) located inside the movable groove (504), and a second spring (515) is respectively sleeved and installed on the outside of the rod body of the positioning rod (512) located between the push plate (514) and the movable groove (504).

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