Sealing structure of automobile turbine shell

Abstract

The utility model discloses a sealing structure of an automobile turbine shell, which comprises a base, a mounting seat in sliding fit with the inside of the base, a turbine shell fixed at the top of the mounting seat, symmetrical sliding grooves arranged on two sides of the mounting seat, symmetrical adjusting screws fixed in the sliding grooves through bearing seats, and a driving mechanism mounted and connected at one end of each adjusting screw. The adjusting screw rod is driven to rotate through the driving mechanism, a first nut seat and a second nut seat are arranged in the sliding grooves in a sliding fit mode and are in threaded fit with the adjusting screw rod, a sealing inflation mechanism is arranged on the first nut seat, and a sealing pressurization mechanism is arranged on the second nut seat. The turbine shell sealing performance detection device has the advantages that omnibearing sealing detection can be carried out, the disassembly and assembly are convenient, automatic fitting sealing is realized, the operation is simple, and the sealing performance of the turbine shell can be quickly judged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile turbine shell, more specifically, especially relates to a sealing structure of automobile turbine shell. BACKGROUND

[0002] At present, turbocharger is a kind of device that can improve engine power and reduce engine emission, and is widely used in various engines.Turbocharger is actually an air compressor, which increases the intake air by compressing air.It is to use the inertial impact force of the exhaust gas of the engine to push the turbine in the turbine chamber, and the turbine drives the impeller coaxial with it, and the impeller compresses the air sent by the air cleaner pipe to make it increase pressure and enter the cylinder.When the engine speed increases, the exhaust gas discharge speed and the turbine speed also increase synchronously, and the impeller compresses more air into the cylinder, and the air pressure and density increase to burn more fuel, and the fuel quantity and the engine speed are adjusted to increase the output power of the engine.

[0003] And in order to ensure the overall sealing of the automobile turbine shell, the turbine shell body needs to be sealed and detected to ensure complete sealing and avoid causing structural damage, and then the corresponding air tightness detection is carried out, the existing equipment cannot realize the sealing and detection of the turbine shell body, and needs to be operated in segmented steps, cannot detect the air tightness while sealing, and the sealing structure needs to be disassembled and assembled manually, which is very cumbersome. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a sealing structure of automobile turbine shell to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model discloses a sealing structure of automobile turbine shell through the following technical scheme is realized: a sealing structure of automobile turbine shell, including base, be provided with the clamping groove in the base, the mounting seat is slidably fitted in the clamping groove, the turbine shell body is fixed with on the mounting seat top through bolt, the both sides of mounting seat are provided with the symmetrical sliding slot, the symmetrical adjusting screw is fixed with in the sliding slot through the bearing seat, the one end of adjusting screw is all installed and is connected with drive mechanism, and the adjusting screw is rotated through drive mechanism, the first nut seat and second nut seat are slidably fitted in the sliding slot respectively, the first nut seat and second nut seat are respectively screwed with adjusting screw, be provided with the sealing inflation mechanism on the first nut seat, and the turbine shell body is inflated through sealing inflation mechanism, be provided with the sealing pressurizing mechanism on the second nut seat, and the air pressure in the turbine shell body is increased through sealing pressurizing mechanism, the turbine shell body top is installed detection subassembly, the detection subassembly sets up at the top of adjusting pressure pad, the one end of adjusting pressure pad is screwed on the adjusting screw through the mounting screw sleeve, the adjusting screw is installed in the adjusting groove of lift base through bearing, the second motor is set up at the top of lift base, and the adjusting pressure pad is closely attached the top of turbine shell through the second motor.

[0006] As an optional scheme of the utility model, one side of the mounting seat is provided with a handle column.

[0007] As an optional scheme of the utility model, the drive mechanism includes a first motor, a drive wheel is arranged on the drive end of the first motor, a driven wheel is arranged on one side of the drive wheel, the driven wheel is installed on one end of the adjusting screw, and the drive wheel and the driven wheel are driven through the transmission belt.

[0008] As an optional scheme of the utility model, the sealing inflation mechanism includes a sealing seat, a sealing disc is arranged on one end of the sealing seat, the sealing disc is sealingly connected to one side of the turbine shell body through bolts, an air inlet is arranged on the top of the sealing seat, and an air pipe is connected through the air inlet.

[0009] As an optional scheme of the utility model, the sealing pressurizing mechanism includes a pressurizing seat, the pressurizing seat is arranged on the top of the second nut seat, an electric cylinder is arranged on one side of the pressurizing seat, a side pressure plate is slidably fitted in the pressurizing seat, a sealing ring is arranged on one side of the side pressure plate, and the other side of the side pressure plate is connected to the push end of the electric cylinder.

[0010] As an optional scheme of the utility model, the detection subassembly includes a detection seat, the detection seat is communicated with the adjusting pressure pad, a detection cavity is arranged in the detection seat, a pressure gauge is installed on the detection seat, and the detection cavity of the detection seat is communicated with the pressure gauge.

[0011] The utility model provides a kind of sealing structure of automobile turbine shell, with following beneficial effects:

[0012] By setting movable mounting seat, it is convenient to dismount turbine shell body, first nut seat and second nut seat are moved by first motor respectively, the sealing disc of sealing seat side is tightly attached, while pressurizing seat also tightens turbine shell body side, and by second motor drives adjusting pressure plate to press down, realize complete sealing, after gas is connected, quantitative closing, by electric cylinder moves side pressure plate to carry out pressurizing operation, again by the change of pressure gauge on detection seat, the sealing property of turbine shell body is judged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structural diagram of the utility model;

[0014] Fig. 2 It is the front view of the utility model;

[0015] Fig. 3 It is the A-A sectional view of the utility model;

[0016] Fig. 4 It is the B-B sectional view of the utility model.

[0017] In the drawing: 1, base;101, adjusting screw;2, mounting seat;201, handle column;3, turbine shell body;4, first nut seat;5, sealing seat;501, sealing disc;502, gas inlet;6, first motor;601, driving wheel;602, transmission belt;603, driven wheel;7, lifting seat;701, adjusting screw;8, second motor;9, adjusting pressure plate;10, detection seat;11, pressure gauge;12, second nut seat;121, pressurizing seat;122, electric cylinder;123, side pressure plate;124, sealing ring. DETAILED DESCRIPTION

[0018] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0019] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" etc. is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" etc. are only for the purpose of description, and cannot be understood as indicative or implied relative importance.

[0020] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term '' connected '' '' connection '' should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium.

[0021] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a kind of sealing structure of automobile turbine shell, including base 1, base 1 is provided with clamping groove, clamping groove is slidably fitted with mounting seat 2, mounting seat 2 side is provided with handle post 201, it is convenient to disassemble and assemble, mounting seat 2 top is fixed with turbine shell 3 by bolt, mounting seat 2 two sides are provided with symmetrical sliding slot, symmetrical adjusting screw 101 are fixed in sliding slot by bearing seat, adjusting screw 101 one end is all connected with driving mechanism, rotating adjusting screw 101 is driven by driving mechanism.

[0022] Driving mechanism includes first motor 6, and the driving end of first motor 6 is provided with driving wheel 601, and one side of driving wheel 601 is provided with driven wheel 603, and driven wheel 603 is installed on one end of adjusting screw 101, and driving wheel 601 is driven by transmission belt 602 with driven wheel 603 cooperation transmission, and first nut seat 4 and second nut seat 12 are slidably fitted in sliding slot respectively, and first nut seat 4 and second nut seat 12 are threadedly engaged with adjusting screw 101 respectively, and sealing inflation mechanism is arranged on first nut seat 4, and turbine shell 3 is inflated by sealing inflation mechanism, and sealing inflation mechanism includes sealing seat 5, and one end of sealing seat 5 is provided with sealing disc 501, and sealing disc 501 is sealingly connected on one side of turbine shell by bolt, and air inlet 502 is provided on the top of sealing seat 5, and air pipe is connected by air inlet 502, and sealing pressurizing mechanism is arranged on second nut seat 12, and the air pressure in turbine shell 3 is increased by sealing pressurizing mechanism, and sealing operation is carried out on turbine shell by sealing inflation mechanism and sealing pressurizing mechanism.

[0023] Sealing pressurizing mechanism includes pressurizing seat 121, and pressurizing seat 121 is arranged on the top of second nut seat 12, and electric cylinder 122 is arranged on one side of pressurizing seat 121, and side pressing plate 123 is slidably fitted in pressurizing seat 121, and sealing ring 124 is arranged on one side of side pressing plate 123, and the sealing property of pressurization is improved by sealing ring 124, and the push-out end of electric cylinder 122 is connected to the other side of side pressing plate 123, and the internal volume is compressed by moving side pressing plate 123 by electric cylinder 122, and detection assembly is installed on the top of turbine shell, and detection assembly is arranged on the top of adjusting plate 9.

[0024] The detection assembly comprises a detection seat 10 connected with the adjusting pressure plate 9, the detection seat 10 is provided with a detection cavity, a pressure gauge 11 is installed on the detection seat 10 and connected with the detection cavity of the detection seat 10, so as to detect whether the turbine shell 3 leaks gas, one end of the adjusting pressure plate 9 is threadedly connected with the adjusting lead screw 701 through a lead screw sleeve, the adjusting lead screw 701 is installed in the adjusting groove of the lifting seat 7 through a bearing, the second motor 8 is arranged at the top of the lifting seat 7, the adjusting lead screw 701 is driven to rotate by the second motor 8, so as to drive the adjusting pressure plate 9 to tightly contact the top of the turbine shell 3, and the sealing performance of the turbine shell is detected.

[0025] The specific use mode and effect of the embodiment are as follows: first, the turbine shell is placed on the mounting seat 2 and moved to a specified position, the first motor 6 is started to drive the first nut seat 4 and the second nut seat 12 to move respectively, the sealing disc 501 on one side of the sealing seat 5 is tightly contacted, and the pressurizing seat 121 also tightly contacts one side of the turbine shell, the second motor 8 is started to drive the adjusting pressure plate 9 to press down, and the final sealing is completed, after the gas is connected, the quantitative closing is performed, the electric cylinder 122 is started to move the side pressure plate 123 to perform the pressurizing operation, the change of the pressure gauge 11 is observed, if the pressure does not change or weakens, it indicates that the sealing performance of the turbine shell is unqualified, and the turbine shell is convenient to disassemble and assemble.

[0026] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, they can be located in one place or distributed on multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the embodiment. Those skilled in the art can understand and implement without creative labor.

[0027] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A seal structure for a turbine housing of an automobile, characterized by: The utility model provides a turbine shell is in the inside of the base (1) is provided with the clamping groove, the installation base (2) is slidably connected in the clamping groove, the installation base (2) top is fixed with turbine shell (3) through bolt, the installation base (2) both sides are provided with the symmetrical slide groove, the symmetrical adjusting screw (101) is fixed with in the slide groove through bearing seat, the adjusting screw (101) one end is all installed with drive mechanism, drives the adjusting screw (101) rotation through drive mechanism, the slide groove is slidably connected with first nut base (4) and second nut base (12) respectively, first nut base (4) and second nut base (12) are respectively threadedly connected adjusting screw (101), first nut base (4) is provided with sealed inflation mechanism, fills air in turbine shell (3) through sealed inflation mechanism, second nut base (12) is provided with sealed pressurization mechanism, increases the air pressure in turbine shell (3) through sealed pressurization mechanism, the turbine shell top is installed detection subassembly, detection subassembly sets up in the top of adjusting pressure pad (9), adjusting pressure pad (9) one end is threadedly connected on adjusting lead screw (701) through mounting screw sleeve, adjusting lead screw (701) is installed in the adjusting groove of lift base (7) through bearing, the top of lift base (7) is provided with second motor (8), and the top of turbine shell (3) is closely attached through second motor (8) drive adjusting pressure pad (9).

2. The sealing structure of a turbo housing for an automobile according to claim 1, wherein: The installation base (2) one side is provided with a handle column (201).

3. The sealing structure of a turbo housing for an automobile according to claim 1, wherein: The drive mechanism includes a first motor (6), the first motor (6) drive end is provided with a drive wheel (601), the drive wheel (601) one side is provided with a driven wheel (603), the driven wheel (603) is installed in the one end of adjusting screw (101), the drive wheel (601) and driven wheel (603) are driven by transmission belt (602) cooperation.

4. The seal structure of a turbine housing for an automobile according to claim 1, wherein: The sealed inflation mechanism includes a sealing seat (5), the sealing seat (5) one end is provided with a sealing disc (501), the sealing disc (501) is sealedly connected on one side of turbine shell through bolt, the sealing seat (5) top is provided with a gas inlet (502), and the gas pipe is accessed through the gas inlet (502).

5. The seal structure of a turbine housing for an automobile according to claim 1, wherein: The sealed pressurization mechanism includes a pressurization seat (121), the pressurization seat (121) is arranged on the top of second nut base (12), the pressurization seat (121) one side is provided with an electric cylinder (122), the pressurization seat (121) is slidably connected with a side pressure plate (123), the side pressure plate (123) one side is provided with a sealing ring (124), the side pressure plate (123) other side is connected with the push end of electric cylinder (122), and the inside volume is compressed by driving the side pressure plate (123) to move through electric cylinder (122).

6. The seal structure of a turbine housing for an automobile according to claim 1, wherein: The detection assembly includes a detection seat (10), the detection seat (10) is communicated with adjusting pressure pad (9), the detection seat (10) is provided with a detection cavity, the detection seat (10) is installed with a pressure gauge (11), and the detection cavity of detection seat (10) is communicated with pressure gauge (11).

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