CN217403539U

CN217403539U - Intelligent MAF sensor convenient to dismantle and change

Info

Publication number: CN217403539U
Application number: CN202221076263.7U
Authority: CN
Inventors: 黄忠毅; 黄慧凯; 付忠亮
Original assignee: Zhejiang Yili Automobile Air Conition Co ltd
Current assignee: Zhejiang Yili Automobile Air Conition Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-09
Anticipated expiration: 2032-05-07

Abstract

The utility model provides an intelligent MAF sensor convenient to dismantle and change, including the sensor main part, the middle part of sensor main part is inlayed and is had the changer, and the upper portion of changer links together through connecting platform and connector under the effect of bolt, one side of sensor main part is equipped with 180 degrees semicircle ring openings of scope to semicircle ring open-ended lateral part is equipped with the arch, and protruding and sensor main part structure as an organic whole. The utility model relates to an intelligent MAF sensor convenient to dismantle and change, the inspection of being convenient for when breaking down or change this sensor is favorable to preventing that the connector from ageing and receiving the influence of dust impurity in the car, leads to the unstable phenomenon of information transmission to appear, can not make simultaneously not hard up to appear between connector and the changer, and simple operation can be dismantled the protection network, prevents not changing influence measurement accuracy for a long time, convenient to market popularization and application.

Description

Intelligent MAF sensor convenient to dismantle and change

Technical Field

The utility model belongs to the technical field of car flow sensor, especially, relate to an intelligent MAF sensor convenient to dismantle and change.

Background

The MAF sensor is an air flow sensor, also called an air flow meter, which is one of the important sensors of an electronic fuel injection engine of an automobile. The air quantity sucked by the engine during working determines the oil injection quantity of the engine, the air quantity sucked is used as an important basis of the oil injection quantity, if the air flow sensor fails, a traveling computer cannot obtain an accurate signal, and the oil injection control cannot be normally carried out, so that the normal work of the engine is influenced.

Chinese patent publication is CN 211602056U, and the utility model discloses a name is an air flow sensor, including sensor main part, protection network, fixed subassembly and mounting panel, the both sides of sensor main part are equipped with fixed subassembly, the internally mounted protection network of fixed subassembly, and fixed subassembly includes gland, spiro, baffle and slipmat, and protection network fixed connection is in the inside of sensor main part both sides. But current air flow sensor has the fixed connection mode of adoption can't be under the condition of guaranteeing sensor mounted position's stability, and the problem of sensor is examined or is changed when being convenient for break down, and the connector receives the influence of dust impurity in the car simultaneously, easily leads to the unstable phenomenon of information transmission to appear, rocks in the car for a long time in addition and easily makes appear becoming flexible between connector and the changer.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an intelligent MAF sensor convenient to disassemble and replace, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an intelligent MAF sensor convenient to disassemble and replace comprises a sensor main body, wherein a transmitter is embedded in the middle of the sensor main body, the upper part of the transmitter is connected with a connector through a connecting table under the action of a bolt, one side of the sensor main body is provided with a semicircular opening with a range of 180 degrees, the side part of the semicircular opening is provided with a bulge, the bulge and the sensor main body are of an integral structure, the other side of the sensor main body is provided with a connecting thread, the end part of the connecting thread is provided with a mounting plate, the mounting plate and the sensor main body are of an integral structure, a rib plate is arranged between the mounting plate and the sensor main body, the side part of the sensor main body is provided with a semicircular pipe clamp, a groove is arranged on the inner side of the semicircular pipe clamp, a connecting seat is arranged below the semicircular pipe clamp and the middle part of the sensor main body, and the semicircular pipe clamp is arranged on the semicircular opening on one side of the sensor main body through the matching of the bulge and the groove, and are fixed together by bolts under the action of the connecting seat.

Preferably, the connecting platforms are two in number and are respectively arranged at the end parts of the transmitter and the plug-in connector, a first protective sleeve and a second protective sleeve are arranged outside the plug-in connector and the transmitter under the clamping effect of the connecting groove and the connecting platforms, and meanwhile, the connecting protrusions are fastened and connected through bolts under the effect of the connecting protrusions.

Preferably, the first protective sleeve and the second protective sleeve are identical in structure, a common through hole is formed in one end of the first protective sleeve, a wire through hole is formed in the other end of the first protective sleeve, a connecting groove is formed in the position, close to the end portion, of the inner portion of the first protective sleeve, and a connecting protrusion is arranged on the lateral side of the outer portion of the first protective sleeve.

Preferably, the inboard of sensor main part is equipped with the arc arch, and the bellied tip of arc inlays and have cylindricality magnet, and cylindricality magnet adsorbs with the iron ring of protection network edge together under the effect that the arc arch is connected with cooperation recess is unsmooth.

Preferably, protective nets are arranged on two sides inside the sensor main body, iron rings are fastened on the peripheral edges of the protective nets through screws, matching grooves are formed in two sides of each iron ring, a hand buckle plate is arranged below each iron ring, and a rectangular groove is formed in the upper portion of each buckle plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses intelligent MAF sensor convenient to dismantle and change adopts the mode that compresses tightly to fix on one side through one side adoption threaded connection one side, not only installs rapidly, can also guarantee sensor main part mounted position's stability simultaneously, easy operation when dismantling with the principle, and then be convenient for when breaking down inspect or change this sensor.

2. The utility model discloses intelligent MAF sensor convenient to dismantle and change through protective sheath one and protective sheath two, prevents that ageing and receiving the influence of dust impurity in the car from appearing in the connector, leads to the unstable phenomenon of transmission to appear in the information, can not make simultaneously appear not hard up between connector and the changer.

3. The utility model discloses intelligent MAF sensor convenient to dismantle and change can break away from the bellied tip of arc with the help of the flat head screwdriver or buckle the buckle with the finger when the protection network of inside both sides need to be changed with the iron ring, and then dismantles the protection network, prevents not changing for a long time and influences measurement accuracy.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the three-dimensional explosion of the innovative structure of the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 3 is a schematic structural view of the first or second protective sleeve of the present invention.

Fig. 4 is a schematic structural view of the protection net of the present invention.

In the figure:

1-sensor body, 2-transmitter, 3-mounting plate, 4-first protective sleeve, 41-common through hole, 42-connecting groove, 43-lead through hole, 44-connecting protrusion, 5-connecting table, 6-plug connector, 7-second protective sleeve, 8-arc protrusion, 9-protective net, 91-iron ring, 92-matching groove, 93-buckle plate, 10-semicircular pipe clamp, 11-groove, 12-protrusion, 13-connecting seat and 14-connecting thread.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an intelligent MAF sensor convenient to disassemble and replace includes a sensor body 1, a transmitter 2, a mounting plate 3, a first protection sleeve 4, a connection platform 5, a plug-in connector 6, a second protection sleeve 7, an arc-shaped protrusion 8, a protection net 9, a semicircular pipe clamp 10, a groove 11, a protrusion 12, a connection seat 13 and a connection thread 14, wherein: the middle part of the sensor main body 1 is embedded with a transmitter 2, the upper part of the transmitter 2 is connected with a connector 6 through a connecting platform 5 under the action of a bolt, one side of the sensor main body 1 is provided with a semicircular opening with the range of 180 degrees, the side part of the semicircular opening is provided with a bulge 12, the bulge 12 and the sensor main body 1 are in an integral structure, the other side of the sensor main body 1 is provided with a connecting thread 14, the end part of the connecting thread 14 is provided with a mounting plate 3, the mounting plate 3 and the sensor main body 1 are in an integral structure, a ribbed plate is arranged between the mounting plate 3 and the sensor main body 1, the side part of the sensor main body 1 is provided with a semicircular pipe clamp 10, the inner side part of the semicircular pipe clamp 10 is provided with a groove 11, the lower part of the semicircular pipe clamp 10 and the middle part of the side part of the sensor main body 1 are provided with a connecting seat 13, and the semicircular pipe clamp 10 is arranged on the semicircular opening on one side of the sensor main body 1 through the bulge 12 and the groove 11 in a matching manner, and are fixed together by bolts under the action of the connecting seats 13.

In order to prevent the plug-in connector 6 from aging and being influenced by dust and impurities in the vehicle, which causes the unstable transmission of information, the two connecting platforms 5 are respectively arranged at the end parts of the transmitter 2 and the plug-in connector 6, a first protective sleeve 4 and a second protective sleeve 7 are arranged outside the plug-in connector 6 and the transmitter 2 under the clamping action of the connecting groove 42 and the connecting platforms 5, meanwhile, the first protective sleeve 4 and the second protective sleeve 7 are in the same structure through fastening connection through bolts under the action of the connecting bulges 44, and one end of the first protective sleeve 4 is provided with a common through hole 41, the other end is provided with a lead through hole 43, a connecting groove 42 is arranged at the position close to the end part inside the first protective sleeve 4, a connecting bulge 44 is arranged on the outer side of the first protective sleeve 4, and meanwhile, the plug-in connector 6 and the transmitter 2 cannot be loosened under the clamping action between the connecting groove 42 and the connecting platform 5; for the convenience of dismantling or installing protection network 9, inboard at sensor main part 1 is equipped with arc arch 8, and the tip of arc arch 8 is inlayed and is had cylindricality magnet, and cylindricality magnet adsorbs together with iron ring 91 of protection network 9 edge under the effect of arc arch 8 and the unsmooth connection of cooperation recess 92, the inside both sides side of sensor main part 1 is equipped with protection network 9, and the peripheral edge screw fastening of protection network 9 has iron ring 91, and cooperation recess 92 has been seted up to the both sides side of iron ring 91, the below of this iron ring 91 is equipped with buckle 93, and the rectangle recess has been seted up on buckle 93's upper portion.

It should be noted that, the utility model relates to an intelligent MAF sensor convenient to dismantle and change, when the device is used, firstly one side of the sensor main body 1 is connected with the engine through the connecting thread 14, meanwhile, the mounting plate 3 is fastened and connected through the bolt, and the rib plate is arranged between the sensor main body 1 and the mounting plate 3 to prevent deformation during fastening, then the connecting pipeline is put into the other side of the sensor main body 1, secondly, the semicircular pipe clamp 10 is placed above the side part of the sensor main body 1 through the matching of the groove 11 and the bulge 12, finally, the connecting pipeline is clamped in the sensor main body 1 through the semicircular pipe clamp 10 under the action of the bolt, not only the installation is rapid, but also the stability of the installation position of the sensor main body 1 can be ensured, the operation is simple during the same reason disassembly, and then the sensor is convenient to check or change when the fault occurs, when the protective net 9 on two inner sides needs to be replaced, the iron ring 91 can be separated from the end part of the arc-shaped protrusion 8 by means of a flat screwdriver or a finger-buckling plate 93, and then the protective net 9 is detached, so that the influence on the measurement precision caused by the replacement is prevented for a long time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An intelligent MAF sensor convenient to disassemble and replace comprises a sensor main body (1), and is characterized in that: the middle part of the sensor main body (1) is embedded with a transmitter (2), the upper part of the transmitter (2) is connected with a connector (6) through a connecting table (5) under the action of a bolt, one side of the sensor main body (1) is provided with a semicircular opening with a range of 180 degrees, the side part of the semicircular opening is provided with a bulge (12), the bulge (12) and the sensor main body (1) are of an integral structure, the other side of the sensor main body (1) is provided with a connecting thread (14), the end part of the connecting thread (14) is provided with a mounting plate (3), the mounting plate (3) and the sensor main body (1) are of an integral structure, a rib plate is arranged between the mounting plate (3) and the sensor main body (1), the side part of the sensor main body (1) is provided with a semicircular pipe clamp (10), and the inner side of the semicircular pipe clamp (10) is provided with a groove (11), the sensor is characterized in that a connecting seat (13) is arranged below the semicircular pipe clamp (10) and in the middle of the side of the sensor body (1), the semicircular pipe clamp (10) is placed on a semicircular ring opening on one side of the sensor body (1) through the matching of a protrusion (12) and a groove (11), and the semicircular pipe clamp is fixed together through a bolt under the action of the connecting seat (13).

2. The intelligent MAF sensor easy to remove and replace according to claim 1, wherein: connect platform (5) quantity to be two, set up respectively at the tip of changer (2) and plug connector (6), and the outside of plug connector (6) and changer (2) is equipped with protective sheath one (4) and protective sheath two (7) in connecting groove (42) and the joint effect of being connected platform (5), carries out fastening connection through the bolt under the effect of connecting arch (44) simultaneously.

3. The intelligent MAF sensor facilitating removal and replacement of the sensor of claim 2, wherein: the structure of protective sheath one (4) is the same with protective sheath two (7), and ordinary through-hole (41) have been seted up to the one end of protective sheath one (4), and wire through-hole (43) have been seted up to the other end, the inside position that is close to the tip of protective sheath one (4) is equipped with connecting groove (42), and the outside side of this protective sheath one (4) is equipped with connects arch (44).

4. The intelligent MAF sensor facilitating removal and replacement of the claim 1, wherein: the inboard of sensor main part (1) is equipped with arc arch (8), and the tip of arc arch (8) inlays and has cylindricality magnet, and cylindricality magnet adsorbs iron ring (91) together with protection network (9) edge under the effect of arc arch (8) and cooperation recess (92) unsmooth connection.

5. The intelligent MAF sensor facilitating removal and replacement of the claim 1, wherein: the sensor is characterized in that protective nets (9) are arranged on two sides of the interior of the sensor body (1), iron rings (91) are fastened on the peripheral edges of the protective nets (9) through screws, matching grooves (92) are formed in two sides of the iron rings (91), hand buckle plates (93) are arranged below the iron rings (91), and rectangular grooves are formed in the upper portions of the buckle plates (93).