Novel oxygen sensor

Abstract

The utility model relates to the field of oxygen sensors, and discloses a novel oxygen sensor which comprises an air inlet manifold, a body is arranged at the top end of the air inlet manifold, a maintenance assembly is arranged between the air inlet manifold and the body and comprises a limiting ring, the outer wall of the limiting ring is rotatably connected with a guide ring, and the outer wall of the limiting ring is rotatably connected with the guide ring. A second sliding groove is formed in the left side of the inner wall of the limiting ring, a limiting block is slidably connected to the inner wall of the second sliding groove, a sliding rod is fixedly connected to the left side of the limiting block, and a first sliding groove is formed in the position, close to the left side of the second sliding groove, of the left side of the inner wall of the limiting ring. According to the utility model, after the body is inserted into the intake manifold, the body is limited by the clamping block, so that quick mounting can be realized, and meanwhile, the limiting of the body can be quickly released by rotating the guide rod to be matched with the guide frame to enable the limiting block to move, so that the operation is convenient, and quick mounting or dismounting can be realized without using a tool; and thus, the convenience in subsequent maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen sensor field especially relates to a novel oxygen sensor. BACKGROUND

[0002] Oxygen sensor is a kind of key gas detection element, in the field of automobile, oxygen sensor is one of the core components in engine electronic control system, oxygen sensor can monitor the oxygen content in automobile exhaust in real time, provides feedback signal for engine control unit, and then can adjust fuel injection amount according to the signal, makes engine always be in the best air-fuel ratio state.

[0003] However, the existing automobile oxygen sensor is usually disassembled by tool when installing, and due to limited operation space, it is more inconvenient to maintain operation, therefore a novel oxygen sensor is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a novel oxygen sensor, aims at improving the prior art "oxygen sensor is usually operated by using tool when installing and disassembling, and it is more inconvenient to operate due to limited space".

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel oxygen sensor, including intake manifold, the top of intake manifold is provided with body, maintenance assembly is arranged between intake manifold and body, maintenance assembly includes limit ring, the outer wall of limit ring is rotatably connected with guide ring, the inner wall left side of limit ring is provided with sliding slot two, the inner wall of sliding slot two is slidably connected with limit block, the left side of limit block is fixedly connected with slide rod, the inner wall left side of limit ring is provided with sliding slot one close to the left side of sliding slot two, the left side of slide rod is fixedly connected with pull rod close to the outer side of limit ring, the top of guide ring is fixedly connected with guide frame, the front of guide frame is provided as inclined, the right side top of limit block is provided as inclined surface, the left side outer wall of body is fixedly connected with clamping block.

[0006] As a further description of the above technical scheme:

[0007] The top of guide ring is fixedly connected with guide rod, and the limit ring is fixedly connected to the middle top of intake manifold.

[0008] As a further description of the above technical scheme:

[0009] The slide rod is connected to the left side of the limit ring, and the pull rod is slidably connected to the left side of the guide frame.

[0010] As a further description of the above technical scheme:

[0011] The limiting block and the limiting ring are elastically connected through a spring, one end of the spring is fixedly connected to the left inner wall of the first sliding groove, the other end of the spring is fixedly connected to the left side of the limiting block, and the spring is arranged on the inner wall of the first sliding groove.

[0012] As further description of the above technical solution:

[0013] The limiting block is arranged in an L shape, and the clamping block is clamped at the bottom of the limiting block.

[0014] As further description of the above technical solution:

[0015] The sealing assembly is arranged between the intake manifold and the body, and the sealing assembly comprises a rubber ring and a circular groove.

[0016] As further description of the above technical solution:

[0017] The circular groove is arranged in the middle of the top end of the intake manifold, and the rubber ring is fixedly connected to the bottom of the body.

[0018] As further description of the above technical solution:

[0019] The outer side of the rubber ring is arranged in an inclined shape, and the rubber ring is movably inserted into the inner wall of the circular groove.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、In the utility model, after the body is inserted into the intake manifold, the clamping block is clamped at the right side bottom end of the limiting block, the clamping block is limited by the limiting block, then the body is limited by the clamping block, the body can be quickly installed, the limiting block can be quickly removed by rotating the guide rod and cooperating with the guide frame, the operation is convenient, the body can be quickly installed or disassembled without using tools, and the convenience during subsequent maintenance is improved.

[0022] 2、In the utility model, the circular groove is arranged at the top end of the intake manifold, the rubber ring is clamped into the circular groove during the installation of the body, the bottom end of the rubber ring is arranged as an inclined surface, and the rubber ring is arranged as a rubber material and can be extruded into the circular groove, so that the sealing property during the connection of the body and the intake manifold is improved. DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the limiting ring in the utility model;

[0025] Figure 3The utility model discloses a three-dimensional structure schematic view of rubber ring and clamping block.

[0026] Figure 4 The utility model discloses Figure 2 The utility model discloses a three-dimensional structure enlarged schematic view of A area.

[0027] Legend:

[0028] 1, intake manifold;2, body;3, rubber ring;21, guide ring;22, guide rod;23, guide frame;24, pull rod;25, spring;26, sliding groove one;27, sliding rod;28, clamping block;29, limiting block;210, sliding groove two;211, limiting ring;31, circular groove. Specific implementation

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] With reference to Figure 1 , Figure 2 and Figure 4 , the utility model provides an embodiment: a novel oxygen sensor, including intake manifold 1, the top of intake manifold 1 is provided with body 2, and body 2 is the main body of novel oxygen sensor, and the maintenance assembly that is convenient to install or disassemble and is further convenient to maintain is arranged between intake manifold 1 and body 2, and the maintenance assembly includes the limiting ring 211 that provides support, the outer wall of limiting ring 211 is rotatably connected with guide ring 21 that drives multiple guide frames 23 to move, the inner wall left side of limiting ring 211 is provided with sliding groove two 210 that provides the moving space of limiting block 29, the inner wall of sliding groove two 210 is slidably connected with the limiting block 29 that clamping block 28 is limited at the bottom, the left side of limiting block 29 is fixedly connected with sliding rod 27 that drives limiting block 29 to move, and the left side of the inner wall of limiting ring 211 is provided with the space of sliding groove one 26 that places spring 25 near the left side of sliding groove two 210.

[0031] Further, the left side of the slide rod 27 is fixedly connected with a pull rod 24 near the outer side of the limiting ring 211, the top end of the guide ring 21 is fixedly connected with a guide frame 23 for pushing the pull rod 24 to move outward, the front part of the guide frame 23 is arranged in an inclined shape, and the pull rod 24 can be pushed to move outward along the inclined shape during rotation, thereby driving the limiting block 29 to move outward, so that the limiting of the clamping block 28 can be quickly released, the right side top of the limiting block 29 is arranged in a bevel shape, and the limiting block 29 can directly press the limiting block 29 during installation of the clamping block 28, thereby making the limiting block 29 move outward to press the spring 25, and after the clamping block 28 is aligned with the bottom of the limiting block 29, the reverse force of the spring 25 being pressed can make the limiting block 29 reset to quickly limit the clamping block 28, and the left outer wall of the body 2 is fixedly connected with the clamping block 28 for supporting and limiting the body 2.

[0032] Referring to Figure 2 , Figure 3 and Figure 4 , the top end of the guide ring 21 is fixedly connected with a guide rod 22 for driving the guide ring 21 to rotate, the limiting ring 211 is fixedly connected to the middle top of the intake manifold 1, the slide rod 27 penetrates and is slidingly connected to the left side of the limiting ring 211, the pull rod 24 is slidingly connected to the left side of the guide frame 23, the pull rod 24 is slidingly connected to the left side surface of the guide frame 23, the limiting block 29 is elastically connected with the limiting ring 211 through the spring 25, one end of the spring 25 is fixedly connected to the left inner wall of the sliding groove one 26, the other end of the spring 25 is fixedly connected to the left side of the limiting block 29, and the spring 25 is arranged in the inner wall of the sliding groove one 26. The reverse force of the spring 25 being pressed can make the limiting block 29 reset quickly to limit the clamping block 28, the limiting block 29 is arranged in an L shape, the clamping block 28 is clamped to the bottom of the limiting block 29, and the right side top of the limiting block 29 is arranged in a convex state to form an L shape, thereby clamping the clamping block 28 through the convex part.

[0033] Referring to Figure 2 , Figure 3 and Figure 4 , a sealing assembly for increasing the sealing performance of the installation of the body 2 is arranged between the intake manifold 1 and the body 2, the sealing assembly comprises a rubber ring 3 arranged in a rubber material to increase the tightness of contact and a circular groove 31 for placing and installing the rubber ring 3, the circular groove 31 is opened in the middle top of the intake manifold 1, the rubber ring 3 is fixedly connected to the bottom of the body 2, the outer side of the rubber ring 3 is arranged in an inclined shape, and the circular groove 31 can press the inclined rubber ring 3 during installation, thereby making the rubber ring 3 tightly fit in the circular groove 31 to increase the sealing performance of the connection, and the rubber ring 3 is movably inserted in the inner wall of the circular groove 31.

[0034] Working principle: in use, when the new oxygen sensor body 2 is installed on the intake manifold 1, first, the rubber ring 3 at the bottom of the body 2 is aligned with the circular groove 31 in the middle of the top end of the intake manifold 1, and the clamping block 28 on the left side of the body 2 is close to the limiting ring 211, because the right top end of the limiting block 29 is set as an inclined surface, when the clamping block 28 is installed downward, it will directly extrude the inclined surface of the limiting block 29, under the extrusion, the limiting block 29 will move outward along the sliding groove two 210, and the sliding rod 27 fixedly connected with the limiting block 29 will also move outward synchronously, and the pull rod 24 on the left side of the sliding rod 27 also moves, and at this time, the spring 25 is compressed in the sliding groove one 26, when the clamping block 28 is completely moved to the bottom of the limiting block 29, the reverse force generated by the spring 25 makes the limiting block 29 reset quickly, and the L-shaped protruding part of the limiting block 29 clamps the clamping block 28, thereby completing the quick installation of the body 2 and the intake manifold 1.

[0035] If the body 2 is to be disassembled for maintenance, the guide rod 22 can be operated to drive the guide ring 21 to rotate on the outer wall of the limiting ring 211, because the guide frame 23 is fixedly connected with the top end of the guide ring 21, and the front part of the guide frame 23 is set as an inclined surface, during the rotation of the guide ring 21, the guide frame 23 will pull the pull rod 24 to move outward along the inclined surface, when the pull rod 24 moves outward, it drives the sliding rod 27 fixedly connected therewith to move outward, thereby making the limiting block 29 move outward along the sliding groove two 210, so as to release the limiting of the clamping block 28, at this time, the body 2 can be easily disassembled from the intake manifold 1, the operation is convenient, and the body 2 can be quickly installed or disassembled without using tools, thereby improving the convenience during subsequent maintenance.

[0036] During installation, the rubber ring 3 at the bottom of the body 2 is inserted into the circular groove 31 at the top end of the intake manifold 1, because the outer side of the rubber ring 3 is set as an inclined surface, during insertion, the inner wall of the circular groove 31 will extrude the inclined rubber ring 3, the rubber ring 3 is made of rubber material and has good elasticity and flexibility, and after being extruded, it will deform and tightly fit on the inner wall of the circular groove 31, thereby increasing the sealing performance of the connection between the body 2 and the intake manifold 1, effectively preventing gas leakage, and ensuring that the oxygen sensor can accurately detect the oxygen content in the intake air.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A novel oxygen sensor, comprising an intake manifold (1), characterized in that: The intake manifold (1) has a body (2) at its top end. A maintenance assembly is provided between the intake manifold (1) and the body (2). The maintenance assembly includes a limiting ring (211). A guide ring (21) is rotatably connected to the outer wall of the limiting ring (211). A second sliding groove (210) is provided on the left side of the inner wall of the limiting ring (211). A limiting block (29) is slidably connected to the inner wall of the second sliding groove (210). A sliding rod (27) is fixedly connected to the left side of the limiting block (29). The inner wall of the limiting ring (211) has a sliding groove (26) on the left side near the sliding groove (210). The left side of the sliding rod (27) is fixedly connected to the outer side of the limiting ring (211). The top of the guide ring (21) is fixedly connected to the guide frame (23). The front part of the guide frame (23) is set in an inclined shape. The top right side of the limiting block (29) is set as an inclined surface. The left outer wall of the body (2) is fixedly connected to the locking block (28).

2. The novel oxygen sensor according to claim 1, characterized in that: The top end of the guide ring (21) is fixedly connected to a guide rod (22), and the limiting ring (211) is fixedly connected to the top end of the middle part of the intake manifold (1).

3. The novel oxygen sensor according to claim 2, characterized in that: The slide bar (27) passes through and is slidably connected to the left side of the limiting ring (211), and the pull rod (24) is slidably connected to the left side of the guide frame (23).

4. A novel oxygen sensor according to claim 2, characterized in that: The limiting block (29) and the limiting ring (211) are elastically connected by a spring (25). One end of the spring (25) is fixedly connected to the inner left side of the slide groove (26), and the other end of the spring (25) is fixedly connected to the left side of the limiting block (29). The spring (25) is set on the inner wall of the slide groove (26).

5. A novel oxygen sensor according to claim 2, characterized in that: The limiting block (29) is L-shaped, and the locking block (28) is engaged with the bottom of the limiting block (29).

6. The novel oxygen sensor according to claim 1, characterized in that: A sealing assembly is provided between the intake manifold (1) and the body (2), the sealing assembly including a rubber ring (3) and a circular groove (31).

7. A novel oxygen sensor according to claim 6, characterized in that: The circular groove (31) is located at the top center of the intake manifold (1), and the rubber ring (3) is fixedly connected to the bottom of the body (2).

8. A novel oxygen sensor according to claim 7, characterized in that: The outer side of the rubber ring (3) is inclined, and the rubber ring (3) is movably inserted into the inner wall of the circular groove (31).

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