CN209230650U - A kind of vehicular engine sensor - Google Patents

Abstract

The utility model provides a kind of vehicular engine sensor, belong to technical field of automobile accessories, it includes shell, it has extended downwardly cylinder, pass through type conical bench transition wide at the top and narrow at the bottom between cylinder and shell, cylinder below type conical bench is equipped with external screw thread, and externally threaded major diameter is greater than column diameter；Washer is set to below shell, and washer is equipped with the through-hole passed through for cylinder, and along through-hole upper end, recess is formed with the conical surface wide at the top and narrow at the bottom, and the conical surface of the top surface of washer, through-hole is close to shell, type conical bench setting respectively.The utility model has the advantages that washer is not easily to fall off.

Description

A kind of vehicular engine sensor

Technical field

The utility model belongs to technical field of automobile accessories, is related to a kind of vehicular engine sensor.

Background technique

Vehicular engine sensor is the essential component of Hyundai Motor, is divided into crankshaft position according to the difference of installation site Sensor and CMPS Camshaft Position Sensor are set, according to the difference of working method, is broadly divided into electromagnetic sensor, Hall effect Inductive transducer and photoelectric effect formula sensor.

The casing part of vehicular engine sensor usually has external thread structure, and is installed by external screw thread to preset Position, as shown in Figure 1 and Figure 2, sensor loosens in order to prevent, and washer can also be arranged when vehicular engine sensor is threaded into, Vehicular engine product sensor at present, in order to subsequent easy for installation, the usual integrally disposed washer on product in advance, tool Body integration mode is as follows, and washer is inserted in external screw thread and develops with shell, then circumferential uniformly six points of punching press on the inner ring of washer, So that washer is with shell, riveting is bonded up and down.

Existing vehicular engine sensor is in order to be inserted in washer, usual washer and external screw thread gap setting, and interstitial structure Cause the inner sidewall of washer without reliable support, once washer lateral force is very easy to fall off, especially product was being transported It is shaken frequent occurrence in journey, washer is very easy to lose once falling off, and subsequent also to need that washer is in addition arranged, products application is not It is convenient.

Therefore, it is necessary to design a kind of vehicular engine sensor that washer is not easily to fall off.

Summary of the invention

The purpose of this utility model is the presence of the above problem in view of the prior art, and it is not easily to fall off to propose a kind of washer Vehicular engine sensor.

The purpose of this utility model can be realized by the following technical scheme: a kind of vehicular engine sensor, comprising:

Shell has extended downwardly cylinder, passes through type conical bench transition wide at the top and narrow at the bottom, taper platform between cylinder and shell Cylinder below rank is equipped with external screw thread, and externally threaded major diameter is greater than column diameter；

Washer is set to below shell, and washer is equipped with the through-hole passed through for cylinder, and along through-hole upper end, recess is formed with upper width Under the narrow conical surface, and the conical surface of the top surface of washer, through-hole is close to shell, type conical bench setting respectively.

The washer is connect with shell riveting as a further improvement of the utility model,.

It is recessed upwards along the bottom surface of washer as a further improvement of the utility model, and is formed with riveting press groove, riveting press groove is in Interior shallow outer deep tapered annular setting, and the diameter of riveting press groove inner ring is greater than externally threaded major diameter.

As a further improvement of the utility model, after the washer riveting deformation, the diameter of through-hole is less than externally threaded Major diameter.

The shell upper end is also inserted with plug as a further improvement of the utility model, and works as washer and shell When riveting connects, the synchronous insertion shell of plug.

The shell upper end offers cylindrical bayonet as a further improvement of the utility model, bayonet lower end to Outer circumferential direction digs cylindrical card slot, tapering transition between bayonet and card slot, the plug lower end be equipped with respectively with bayonet, card First step, the second step of slot corresponding matching.

The bayonet, card slot are matched with first step, second step interference respectively as a further improvement of the utility model, It closes.

It is symmetrically arranged with clamping portion at left and right sides of the plug as a further improvement of the utility model, plug Front side is equipped with guide part.

Socket is equipped at the top of the plug as a further improvement of the utility model, is equipped in socket for transmitting electricity The sheet metal of signal, socket top are equipped with targeting port, and the openings of sizes of targeting port becomes larger from the bottom up.

Gib block is formed with along the inner sidewall evagination of socket as a further improvement of the utility model,.

Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect:

1, by the way that type conical bench is arranged on shell, and setting and the close-fitting conical surface of type conical bench on washer, So that washer and shell form wedge-like engagement, type conical bench can provide support for washer inner sidewall, avoid washer double swerve.Together When, when being compressed washer and shell by riveting technique, wedge structure can also expand the contact area between washer and shell, make The connection for obtaining the two is relatively reliable.

2, it by setting riveting press groove, is matched convenient for washer with riveting head, allows washer inner wall perpendicular to riveting Slot conical surface direction stress deformation, is preferably bonded with type conical bench, connects more reliable.

3, before the deformation of washer riveting, through-hole diameter is greater than external screw thread major diameter, and washer is enabled to pass through external screw thread, cylinder, After riveting deformation, through-hole diameter is less than externally threaded major diameter, so that washer is limited between shell and external screw thread, even if washer Falling off will not lose, and guarantee that vehicular engine sensor is subsequent and remain to normal mounting, and be not necessarily to additional adapted washer, product is practical Property is more preferable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing vehicular engine sensor

Fig. 2 is the stamping position figure of existing washer.

Fig. 3 is the structural schematic diagram of one preferred embodiment of the utility model.

Fig. 4 is the front view of Fig. 3

Fig. 5 is the structural schematic diagram of plug.

Fig. 6 is the front view of Fig. 5.

Fig. 7 is the utility model with the riveting assembling figure of hinged embodiment.

In figure, 100, shell；110, cylinder；111, external screw thread；120, bayonet；130, card slot；140, type conical bench；200, Washer；210, through-hole；220, riveting press groove；300, plug；310, first step；320, second step；330, clamping portion；340, it leads To portion；350, socket；351, targeting port；352, gib block；360, sheet metal；400, riveting die；410, riveting head；420, it rushes Head.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figures 3 to 6, this vehicular engine sensor, including shell 100, washer 200, plug 300, shell 100 Cylinder 110 has been extended downwardly, has passed through 140 transition of type conical bench wide at the top and narrow at the bottom, type conical bench between cylinder 110 and shell 100 The cylinder 110 of 140 lower sections is equipped with external screw thread 111, and the major diameter of external screw thread 111 is greater than 110 diameter of cylinder；Washer 200, which is equipped with, to be supplied The through-hole 210 that cylinder 110 passes through, along 210 upper end of through-hole, recess is formed with the conical surface wide at the top and narrow at the bottom, and washer 200 is inserted in cylinder 110 And riveting is in the lower section of shell 100, at this time the top surface of washer 200, through-hole 210 the conical surface be close to shell 100, type conical bench respectively 140 settings.

In the application, by the way that type conical bench 140 is arranged on shell 100, setting and type conical bench 140 on washer 200 The close-fitting conical surface, so that washer 200 and shell 100 form wedge-like engagement, type conical bench 140 can be 200 inner sidewall of washer Support is provided, avoids 200 side of washer to shaking.Meanwhile when washer 200 and shell 100 being compressed by riveting technique, wedge shape knot Structure can also expand the contact area between washer 200 and shell 100, so that the connection of the two is relatively reliable.

Wherein, before riveting washer 200, the through-hole 210 of washer 200 can be only cylinder, then in 200 riveting of washer During pressure, 210 upper end of through-hole is squeezed and deformed using the shape of riveting step, and then form the conical surface；Alternatively, in riveting washer Before 200,210 upper end of through-hole can also preset the conical surface more smaller than type conical bench 140, so that through-hole 210 more holds It easily deforms, so that it is bonded better effect with type conical bench 140.

100 outer of shell is arranged in regular hexagon, so that shell 100 can be caught in spanner and fixation, rotating spanner Product is screwed into corresponding threaded hole, is easily installed.

For guidance 200 riveting of washer when deformation direction, be recessed upwards along the bottom surface of washer 200 and be formed with riveting press groove 220, Riveting press groove 220 is in interior shallow outer deep tapered annular setting, and the diameter of 220 inner ring of riveting press groove is greater than the major diameter of external screw thread 111.

As shown in fig. 7, the riveting head 410 of tapered annular is embedded in riveting press groove 220, riveting die when riveting washer 200 The mold clamping force of vertical direction is formed when about 400 molding, and a part of mold clamping force is converted to perpendicular to 220 conical surface direction of riveting press groove Power so that riveting head 410 can squeeze inwardly washer 200, so that washer 200 be made preferably to be bonded with type conical bench 140, It connects more reliable.

Since riveting head 410 is applied with the power inwardly squeezed to washer 410, so that the diameter of through-hole 210 is in washer It can change before and after riveting, and in the application, before the deformation of 200 riveting of washer, 210 diameter of through-hole is greater than 111 major diameter of external screw thread, Washer 200 is enabled to pass through external screw thread 111, cylinder 110, after riveting deformation, 210 diameter of through-hole is less than the big of external screw thread 111 Diameter will not be lost washer 200 falls off so that washer 200 is limited between shell 100 and external screw thread 111, guarantee vehicle Normal mounting is remained to engine sensor is subsequent, it is not necessary that washer 200 is in addition arranged, product practicability is more preferable.

In the application, 100 upper end of shell is also inserted with plug 300, and when washer 200 is connect with 100 riveting of shell, The synchronous insertion shell 100 of plug 300.

As shown in fig. 7, the utility model first successively puts plug 300, shell 100, washer 200 when riveting assembles It sets, wherein the position of shell 100 is fixed with respect to riveting die 400, and washer 200 is placed in 100 lower section of shell by spring, inserts First 300 are placed in 100 top of shell by gravity, and when about 400 riveting die molds, riveting head 410 is from the bottom up by washer 200 rivet with shell 100, and formed punch 420 is synchronous to be pressed into plug 300 in shell 100, so that one will be reduced to assembling procedure twice Secondary, packaging efficiency is higher.

To avoid plug 300 from deviating from from shell 100,100 upper end of shell offers cylindrical bayonet 120, bayonet 120 Lower end circumferentially digs cylindrical card slot 130 outward, and it is right with bayonet 120, card slot 130 respectively that 300 lower end of plug is equipped with First step 310, the second step 320 that should cooperate.In other words, the diameter of second step 320 is greater than the diameter of bayonet 120, When plug 300 is pressed into from top to bottom on shell 100, originally bayonet 120 occurs flexible deformation and struts to accommodate second step 320, then contraction is chimeric with first step 310, so that plug 300 can not be extracted upwards.Bayonet 120, card slot 130 are respectively with One step 310, second step 320 are interference fitted, so that plug 300 and shell 100 are fitted close and maintain certain frictional force, The impurity such as dust are avoided to enter inside plug 300, electric stability is more preferable, while avoiding plug 300 random relative to shell 100 Ground slides up and down, and plug 300 connect relatively reliable with shell 100.

The left and right sides of plug 300 is symmetrically arranged with clamping portion 330, and the front side of plug 300 is equipped with guide part 340；Plug 300 tops are equipped with socket 350, and the sheet metal 360 for transmitting electric signal is equipped in socket 350, is equipped with guiding at the top of socket 350 Mouth 351, the openings of sizes of targeting port 351 becomes larger from the bottom up；Inner sidewall evagination along socket 350 is formed with gib block 352。

Plug 300 and harness on vehicular engine sensor are typically all to plug connection, and installation personnel is difficult disposably Just harness and plug 300 are aligned, installation is inconvenient, by be arranged guide part 340, plug 300 can very easily with line To form positioning, dismounting is very convenient for beam matching, and targeting port 351,300 inner sidewall of plug setting guiding are opened up at the top of socket 350 Item 352 can further increase guiding and positioning function of the plug 300 with respect to harness, and clamping portion 330, which is arranged, can ensure plug 300 are completely embedded with harness, and the installation effect of plug 300 and harness is ideal.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of vehicular engine sensor characterized by comprising

Shell has extended downwardly cylinder, by type conical bench transition wide at the top and narrow at the bottom between cylinder and shell, under type conical bench The cylinder of side is equipped with external screw thread, and externally threaded major diameter is greater than column diameter；

Washer is set to below shell, and washer is equipped with the through-hole passed through for cylinder, and along through-hole upper end, recess is formed with wide at the top and narrow at the bottom The conical surface, and the conical surface of the top surface of washer, through-hole be close to respectively shell, type conical bench setting.

2. a kind of vehicular engine sensor according to claim 1, which is characterized in that the washer and shell riveting connect It connects.

3. a kind of vehicular engine sensor according to claim 2, which is characterized in that be recessed upwards along the bottom surface of washer It is formed with riveting press groove, riveting press groove is in interior shallow outer deep tapered annular setting, and the diameter of riveting press groove inner ring is big greater than externally threaded Diameter.

4. a kind of vehicular engine sensor according to claim 3, which is characterized in that before the washer riveting deformation, Through-hole diameter is greater than external screw thread major diameter, and after riveting deformation, through-hole diameter is less than externally threaded major diameter.

5. a kind of vehicular engine sensor according to claim 4, which is characterized in that the shell upper end is also inserted with Plug, and when washer is connect with shell riveting, the synchronous insertion shell of plug.

6. a kind of vehicular engine sensor according to claim 5, which is characterized in that the shell upper end offers circle Cylindrical bayonet, bayonet lower end circumferentially dig cylindrical card slot outward, the plug lower end be equipped with respectively with bayonet, card slot First step, the second step of corresponding matching.

7. a kind of vehicular engine sensor according to claim 6, which is characterized in that the bayonet, card slot respectively with First step, second step interference fit.

8. a kind of vehicular engine sensor according to claim 5, which is characterized in that the left and right sides of the plug is right Title is provided with clamping portion, and the front side of plug is equipped with guide part.

9. a kind of vehicular engine sensor according to claim 5, which is characterized in that be equipped with and insert at the top of the plug Mouthful, it is equipped with the sheet metal for transmitting electric signal in socket, is equipped with targeting port at the top of socket, the openings of sizes of targeting port is from lower past On become larger.

10. a kind of vehicular engine sensor according to claim 9, which is characterized in that along the inner sidewall evagination of socket It is formed with gib block.