Engine intake manifold

Abstract

The utility model discloses an engine intake manifold, which relates to the technical field of intake manifolds and comprises an intake pipe body, a connector, a cylinder body and an exhaust pipe body. An intake manifold of the engine; according to the protective fixing mechanism, through cooperation of a protective seat, a first connecting plate and a supporting plate, the connecting stability between the air inlet pipe body and the cylinder body is enhanced, and vibration and impact in long-term running of a vehicle can be effectively resisted; according to the sealing mechanism, efficient sealing between the connector and the protection base is achieved through cooperation of a fixing sleeve, a sealing rubber sleeve and a second connecting plate, and gas leakage is prevented. In addition, the sealing rubber sleeve and a flange on the inner side of the protection seat are extruded to form deformation, the sealing effect of the outer layer is further improved, a convex ring on the outer side of the fixing sleeve is in sliding connection with the air inlet pipe body, elastic support is provided, and the stability and durability of the whole structure are enhanced. The engine intake manifold is simple in structure and convenient to mount, the reliability of the engine intake manifold is remarkably improved, the service life of the engine intake manifold is remarkably prolonged, and the engine intake manifold has important practical value.

Description

TECHNICAL FIELD

[0001] The utility model relates to intake manifold technical field, concretely is a kind of engine intake manifold. BACKGROUND

[0002] Engine intake manifold is one of the key components in internal combustion engine system, its main function is to distribute air or mixture evenly to each cylinder to ensure the efficient operation of engine;The design and structure of intake manifold directly affect the intake efficiency, combustion effect and overall performance of engine;Traditional intake manifold is usually composed of intake pipe body, connector and cylinder body, the intake pipe body is connected with cylinder body by connector, the other end of cylinder body is connected with outlet pipe body to realize the flow and distribution of gas.

[0003] The connection between traditional intake manifold and cylinder body is directly connected by screw rod, and the connection between intake pipe and cylinder body will be loose when vehicle starts to vibrate, which will cause the sealing between intake pipe body and cylinder body to be problematic, and then cause the air leakage at intake pipe connection, which will affect the power of vehicle engine. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an engine intake manifold, which solves the problems raised in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an engine intake manifold, comprising an intake pipe body, a connector, a cylinder body and an outlet pipe body, the output end of the intake pipe body is connected with the cylinder body through the connector, the other end of the cylinder body is connected with the outlet pipe body, the intake port of the cylinder body is provided with a protection fixing mechanism, a sealing mechanism is provided on the intake pipe body, and the sealing mechanism and the protection fixing mechanism are fixedly connected through a screw rod.

[0006] Further, the protection fixing mechanism comprises a protection seat, first connecting plates are symmetrically arranged at the outer sides of both ends of the protection seat, the connector is inserted into the protection seat, and the sealing mechanism is in tight connection with the first connecting plates.

[0007] Further, the sealing mechanism comprises a fixed sleeve, a sealing rubber sleeve is arranged at one end of the fixed sleeve close to the connector, the sealing rubber sleeve is located at the outer side of the connector, second connecting plates are arranged at the upper sides of both ends of the fixed sleeve, and the second connecting plates and the first connecting plates are fixedly connected through screw rods.

[0008] Further, a support plate is arranged between the two protection seats, a connecting seat is arranged in the middle of the support plate, a link plate is arranged between the two second connecting plates, the link plate is arranged in a staggered manner up and down, the screw rod is threadedly connected with the connecting seat through the link plate, and the screw rod passes through the second connecting plates and the first connecting plates and is fixedly connected through threads.

[0009] Further, the inner side edge of the protective seat is provided with a flange, and the sealing rubber sleeve is extruded to form deformation with the flange.

[0010] Further, the outer side of the fixing sleeve is provided with a convex ring, the convex ring is in sliding connection with the air inlet pipe body, and the convex ring has elasticity.

[0011] The utility model provides a kind of engine air intake manifold.Compared with prior art, it has the following beneficial effects:

[0012] The engine air intake manifold;Protective fixing mechanism is enhanced the connection stability between air inlet pipe body and cylinder body by the cooperation of protective seat, first connecting plate and support plate, can effectively resist vibration and impact in the long-term operation of vehicle;Sealing mechanism realizes the efficient sealing between connecting head and protective seat by the cooperation of fixing sleeve, sealing rubber sleeve and second connecting plate, prevents gas leakage.In addition, sealing rubber sleeve and the flange inside protective seat extrusion form deformation, further improve the sealing effect of outer layer, and the convex ring of fixing sleeve outside is in sliding connection with air inlet pipe body, provides elastic support, enhances the stability and durability of overall structure.The utility model structure is simple, easy to install, significantly improves the reliability and service life of engine air intake manifold, and has important practical value. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of the utility model air inlet pipe body and cylinder body unfolding;

[0015] Figure 3 It is the structure schematic diagram of the utility model protective seat section;

[0016] Figure 4 It is Figure 2 The structure schematic diagram of enlarged A in the middle.

[0017] In the drawing: 1, cylinder body;2, air inlet pipe body;3, air outlet pipe body;4, connecting head;5, protective seat;6, flange;7, first connecting plate;8, support plate;9, connecting seat;10, fixing sleeve;11, sealing rubber sleeve;12, second connecting plate;13, link plate;14, convex ring;15, screw rod. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of engine intake manifold, specifically by intake pipe body 2, the output end of intake pipe body 2 is connected connector 4, connector 4 is connected with cylinder body 1, and the other end of cylinder body 1 is connected with outlet pipe body 3, and the air inlet port of cylinder body 1 is fixedly connected with protection fixing mechanism, sealing mechanism is set on intake pipe body 2, sealing mechanism and protection fixing mechanism are matched and correspondingly arranged, sealing mechanism and protection fixing mechanism are fixedly connected by screw rod 15, and the matching connection of protection fixing mechanism and sealing mechanism can make the connection between intake pipe body 2 and cylinder body 1 more stable and sealed, to avoid cylinder body 1 and intake pipe body 2 loosen after long-term start vibration of vehicle.

[0020] Protection fixing mechanism includes protective seat 5, and the outer side of protective seat 5 is fixedly connected with first connecting plate 7, and first connecting plate 7 is symmetrically arranged, and connector 4 is arranged in protective seat 5, and sealing mechanism is fixedly connected with symmetric first connecting plate 7 by pressing connector 4.

[0021] Sealing mechanism includes fixed sleeve 10, and one end of fixed sleeve 10 close to connector 4 is fixedly connected with sealing rubber sleeve 11, and sealing rubber sleeve 11 is arranged on the outer side of connector 4, and the upper side of fixed sleeve 10 is fixedly connected with second connecting plate 12, and first connecting plate 7 is matched with second connecting plate 12, and screw rod 15 passes through second connecting plate 12 and first connecting plate 7 and is screw-connected.

[0022] Two protective seats 5 are fixedly connected with supporting plate 8, connecting seat 9 is fixedly connected in the middle of supporting plate 8, and link plate 13 is fixedly connected between two second connecting plates 12, and link plate 13 is matched in up-down staggered mode, and screw rod 15 is screw-connected with connecting seat 9 by passing through two layers of link plate 13, and the stability of fixed sleeve 10 and protective seat 5 is supported by link plate 13 and connecting seat 9.

[0023] Flange 6 is fixedly connected with the inner side end edge of protective seat 5, sealing rubber sleeve 11 is extruded with flange 6, sealing rubber sleeve 11 is deformed by extruding flange 6, and then the sealing effect of outer layer is achieved.

[0024] Boss 14 is arranged on the outer side end of fixed sleeve 10, boss 14 is slidably arranged with intake pipe body 2, and boss 14 has elasticity to form stable support and sealing.

Claims

1. An engine intake manifold comprising an intake pipe body (2), a connecting head (4), a cylinder body (1) and an exhaust pipe body (3), characterized in that: The output end of the air inlet pipe body (2) is connected with the cylinder body (1) through a connecting head (4), the other end of the cylinder body (1) is connected with an air outlet pipe body (3), the air inlet port of the cylinder body (1) is provided with a protection fixing mechanism, a sealing mechanism is sleeved on the air inlet pipe body (2), and the sealing mechanism and the protection fixing mechanism are fixedly connected through a screw rod (15); The protection fixing mechanism comprises a protection seat (5), first connecting plates (7) are symmetrically arranged at the outer sides of both ends of the protection seat (5), the connecting head (4) is inserted into the protection seat (5), and the sealing mechanism is in tight connection with the connecting head (4) and the first connecting plates (7); The sealing mechanism comprises a fixed sleeve (10), one end of the fixed sleeve (10) close to the connecting head (4) is provided with a sealing rubber sleeve (11), the sealing rubber sleeve (11) is located at the outer side of the connecting head (4), and the upper sides of both ends of the fixed sleeve (10) are provided with second connecting plates (12); the second connecting plates (12) are fixedly connected with the first connecting plates (7) through the screw rod (15).

2. An engine intake manifold according to claim 1, characterized in that: Support plates (8) are arranged between the two protection seats (5), the support plates (8) are provided with connecting seats (9) in the middle, the second connecting plates (12) are provided with link plates (13) between them, the link plates (13) are arranged in a staggered manner, the screw rod (15) is threadedly connected with the connecting seats (9) through the link plates (13), the screw rod (15) passes through the second connecting plates (12) and the first connecting plates (7) and is fixedly connected through threads.

3. An engine intake manifold according to claim 1, characterized in that: The inner side edge of the protection seat (5) is provided with a flange (6), and the sealing rubber sleeve (11) is extruded to form deformation with the flange (6).

4. An engine intake manifold according to claim 2, characterized in that: The outer side end of the fixed sleeve (10) is provided with a convex ring (14), the convex ring (14) is in sliding connection with the air inlet pipe body (2), and the convex ring (14) has elasticity.

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