CN218765359U - Throttle valve position sensor - Google Patents

Abstract

The utility model discloses a throttle position sensor, include: the sensor housing, sealed fixed establishment, supplementary sealing mechanism, the interior welt that has connected of sensor housing, the equal fixedly connected with fixed plate in both sides of sensor housing, equal fixedly connected with screw thread fixed cover in the fixed plate, one side of sensor housing is located to sealed fixed establishment, sealed fixed establishment includes the end cover, be equipped with the sealing washer between end cover and the sensor housing, be connected with a plurality of evenly distributed's fixing bolt between end cover and the welt, supplementary sealing mechanism locates in the sensor housing, supplementary sealing mechanism includes that the shrink-type is sealed fills up, the sealed pad of shrink-type is located between welt and the end cover. The utility model discloses a setting of corresponding mechanism has reduced throttle position sensor and has influenced the condition that the dust is gathered to appear by operational environment in the use, has improved throttle position sensor's stability in use, has prolonged throttle position sensor's life.

Description

Throttle valve position sensor

Technical Field

The utility model belongs to the technical field of throttle position sensor, concretely relates to throttle position sensor.

Background

A throttle position sensor is a device for detecting the state of an engine, also called a throttle switch or a valve opening sensor, and its main function is to detect whether the engine is in an idle condition or a load condition.

Present common throttle position sensor mainly comprises several parts of casing, end cover, detection circuitry and metal conducting strip, and detection circuitry installs in the casing, seals the protection through mutually supporting of end cover and casing to detection circuitry.

However, the sealing performance between the end cover and the casing of most existing throttle position sensors is poor, so that the casing of the throttle position sensor is easily affected by working environment in the using process to cause dust accumulation, a detection circuit in the casing is easily affected by dust to cause short circuit damage, the use stability of the throttle position sensor is reduced, and the service life of the throttle position sensor is shortened.

Therefore, in view of the above technical problems, it is necessary to provide a throttle position sensor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a throttle position sensor to solve the poor problem of above-mentioned throttle position sensor's leakproofness.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a throttle position sensor comprising: the sensor comprises a sensor shell, a sealing fixing mechanism and an auxiliary sealing mechanism;

an inner lining plate is connected in the sensor shell;

the sealing fixing mechanism is arranged on one side of the sensor shell and comprises an end cover, a sealing ring is arranged between the end cover and the sensor shell, and a plurality of fixing bolts which are uniformly distributed are connected between the end cover and the inner lining plate;

the auxiliary sealing mechanism is arranged in the sensor shell and comprises a contraction type sealing gasket, and the contraction type sealing gasket is arranged between the inner lining plate and the end cover.

Further, the equal fixedly connected with fixed plate in both sides of sensor housing fixes sensor housing spacing through the mode of going on fixing the fixed plate, the fixed cover of equal fixedly connected with screw thread in the fixed plate has improved the convenience of fixing the fixed plate through setting up the fixed cover of screw thread.

Furthermore, a plurality of threaded connecting holes which are uniformly distributed are formed in one side, away from the sensor shell, of the inner lining plate, the threaded connecting holes are matched with the fixing bolts, and the fixing bolts and the inner lining plate can be conveniently connected and fixed through the mutual matching of the fixing bolts and the threaded connecting holes.

Furthermore, one side, far away from the end cover, of the contraction type sealing gasket is connected with a plurality of guide air pipes, the guide air pipes play a role in communicating the sealing air cylinders with the contraction type sealing gasket, so that air in the sealing air cylinders is conveyed into the contraction type sealing gasket under the action of the guide air pipes, the end, located in the inner lining plate, of the guide air pipes is connected with the sealing air cylinders, and the compression limiting blocks are supported, limited and controlled in movement through the sealing air cylinders.

Further, be equipped with the compression stopper in the sealed inflator, the mode that is convenient for remove under the effect of end cover through the compression stopper plays the effect of compression control to the gas in the sealed inflator, be connected with multiunit evenly distributed's reset spring between compression stopper and the sealed inflator, reset spring plays the effect of connecting the compression stopper with sealed inflator, is convenient for play the effect that supports and reset to the compression stopper through reset spring's shrink.

Further, one side that reset spring was kept away from to the compression stopper is connected with the buffering and seals up, extrudees the buffering and seals up through mutually supporting of compression stopper and end cover, has improved the installation leakproofness of end cover through carrying out the extruded mode to the buffering and sealing up.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a setting of corresponding mechanism has reduced throttle position sensor and has influenced the condition that the dust is gathered to appear by operational environment in the use, has improved throttle position sensor's stability in use, has prolonged throttle position sensor's life.

Drawings

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

FIG. 1 is a perspective view of a throttle position sensor in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a portion of a throttle position sensor according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a top cross-sectional view of a throttle position sensor in an embodiment of the present invention;

fig. 5 is a schematic structural diagram at B in fig. 4.

In the figure: 1. the sensor comprises a sensor shell, a lining plate 101, a fixing plate 102, a thread fixing sleeve 103, a sealing fixing mechanism 2, an end cover 201, an end cover 202, a sealing ring 203, a fixing bolt 3, an auxiliary sealing mechanism 301, a contraction type sealing gasket 302, a guide air pipe 303, a sealing air cylinder 303, a compression limiting block 304, a return spring 305, a return spring 306 and a buffering sealing gasket.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model discloses a throttle position sensor, refer to fig. 1-5 and show, include: sensor housing 1, sealed fixed establishment 2, supplementary sealing mechanism 3.

Referring to fig. 2-3, an inner lining plate 101 is connected to the sensor housing 1, and the inner lining plate 101 serves as a bearing limit for the end cap 201 and the seal ring 202.

Referring to fig. 1, fixing plates 102 are fixedly connected to both sides of the sensor housing 1, and the sensor housing 1 is fixed and limited by fixing the fixing plates 102.

Referring to fig. 1, a threaded fixing sleeve 103 is fixedly connected in each fixing plate 102, and the convenience of fixing the fixing plate 102 is improved by the arrangement of the threaded fixing sleeve 103.

Referring to fig. 2-3, the sealing and fixing mechanism 2 is disposed on one side of the sensor housing 1, and the sealing and fixing mechanism 2 is used to close and protect the sensor housing 1.

Referring to fig. 2 to 3, the sealing and fixing mechanism 2 includes an end cover 201, the end cover 201 has a sealing and protecting effect on the sensor housing 1, a sealing ring 202 is disposed between the end cover 201 and the sensor housing 1, and the end cover 201 and the sealing ring 202 are matched with each other to perform a sealing and limiting effect on the end cover 201 and the sealing ring 202.

Referring to fig. 2-3, a plurality of uniformly distributed fixing bolts 203 are connected between the end cap 201 and the inner lining plate 101, and the end cap 201 is fixedly connected by a plurality of groups of fixing bolts 203.

Wherein, the side of the inner lining plate 101 far away from the sensor housing 1 is provided with a plurality of evenly distributed threaded connection holes, and the threaded connection holes are matched with the fixing bolts 203, so that the fixing bolts 203 and the inner lining plate 101 are connected and fixed by the mutual matching of the fixing bolts 203 and the threaded connection holes.

Referring to fig. 2 to 5, the auxiliary sealing mechanism 3 is disposed in the sensor housing 1, and the auxiliary sealing mechanism 3 performs an auxiliary limiting function on the end cover 201, the auxiliary sealing mechanism 3 includes a retractable seal gasket 301, the retractable seal gasket 301 is disposed between the inner lining plate 101 and the end cover 201, and the retractable seal gasket 301 performs a sealing limiting function on the end cover 201 and the inner lining plate 101.

Referring to fig. 2-3, a plurality of air guiding tubes 302 are connected to a side of the collapsible seal 301 away from the end cap 201, and the air guiding tubes 302 serve to communicate the sealed air cylinder 303 with the collapsible seal 301, so that the air in the sealed air cylinder 303 is transported into the collapsible seal 301 by the air guiding tubes 302.

Referring to fig. 2-3, one end of the plurality of air guiding tubes 302 inside the inner lining plate 101 is connected to a sealing cylinder 303, and the sealing cylinder 303 is used for supporting, limiting and controlling the movement of the compression limiting block 304.

Referring to fig. 2-3, a compression stopper 304 is disposed in the sealed air cylinder 303, so that the compression stopper 304 can control the compression of the air in the sealed air cylinder 303 in a manner of moving under the action of the end cap 201.

Referring to fig. 2-3, a plurality of sets of return springs 305 are connected between the compression limiting block 304 and the sealing cylinder 303, and the return springs 305 are used for connecting the compression limiting block 304 and the sealing cylinder 303, so that the compression limiting block 304 is supported and reset by the contraction and reset of the return springs 305.

Referring to fig. 2-3, one side of the compression limiting block 304, which is far away from the return spring 305, is connected with a buffer sealing gasket 306, the buffer sealing gasket 306 is squeezed through the mutual matching of the compression limiting block 304 and the end cover 201, and the installation sealing performance of the end cover 201 is improved through the squeezing mode of the buffer sealing gasket 306.

When the sensor shell is used specifically, the sensor shell 1 is protected in a sealing mode through the mutual matching of the end cover 201 and the sensor shell 1, the end cover 201 is fixedly connected through the multiple groups of fixing bolts 203, and the end cover 201 is pressed by the sealing ring 202 and the end cover 201 to play a role in sealing and limiting in the process of connecting and fixing the end cover 201 through the fixing bolts 203;

meanwhile, the compression limiting block 304 compresses the multiple sets of return springs 305 under the action of external force, the gas in the sealed gas cylinder 303 is conveyed into the retractable sealing gasket 301 under the action of the air guide pipe 302 through the mode that the compression limiting block 304 compresses the gas in the sealed gas cylinder 303, and the end cover 201 and the inner lining plate 101 are sealed in an auxiliary mode through expansion of the retractable sealing gasket 301.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

the utility model discloses a setting of corresponding mechanism has reduced throttle position sensor and has influenced the condition that the dust is gathered to appear by operational environment in the use, has improved throttle position sensor's stability in use, has prolonged throttle position sensor's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A throttle position sensor, comprising:

the sensor comprises a sensor shell (1), wherein an inner lining plate (101) is connected in the sensor shell (1);

the sealing and fixing mechanism (2) is arranged on one side of the sensor shell (1), the sealing and fixing mechanism (2) comprises an end cover (201), a sealing ring (202) is arranged between the end cover (201) and the sensor shell (1), and a plurality of uniformly distributed fixing bolts (203) are connected between the end cover (201) and the inner lining plate (101);

the auxiliary sealing mechanism (3) is arranged in the sensor shell (1), the auxiliary sealing mechanism (3) comprises a contraction type sealing gasket (301), and the contraction type sealing gasket (301) is arranged between the inner lining plate (101) and the end cover (201).

2. A throttle position sensor as claimed in claim 1, characterized in that a fixing plate (102) is fixedly connected to both sides of the sensor housing (1), and a threaded fixing sleeve (103) is fixedly connected to the inside of the fixing plate (102).

3. A throttle position sensor according to claim 1, characterized in that the side of the inner lining plate (101) facing away from the sensor housing (1) is drilled with a plurality of evenly distributed threaded connection holes, which are adapted to the fastening bolts (203).

4. A throttle position sensor as claimed in claim 1, characterized in that a plurality of air guide tubes (302) are connected to the side of the collapsible seal (301) remote from the end cap (201), and a sealing cylinder (303) is connected to the end of the plurality of air guide tubes (302) located inside the inner lining plate (101).

5. The throttle position sensor according to claim 4, wherein a compression stopper (304) is disposed in the sealing cylinder (303), and a plurality of sets of return springs (305) are uniformly distributed between the compression stopper (304) and the sealing cylinder (303).

6. A throttle position sensor as set forth in claim 5 wherein a cushion seal (306) is attached to the side of said compression stop (304) remote from the return spring (305).

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