CN209978810U - High-sensitivity crankshaft position sensor - Google Patents

Abstract

The utility model discloses a high sensitive bent axle position sensor, including the sensor head, the inboard fixed surface of sensor head fills there is the protective layer, the inboard fixed surface of protective layer installs the circuit board, the inboard surface front end of sensor head has the shell body through screw thread head threaded connection, the upper surface rear end of shell body is equipped with the mounting panel, the inside of mounting panel is equipped with connect the through-hole, connect the through-hole's inboard fixed surface installs the bush, the outside surface both ends of bush all are equipped with spacing hole, the rear end fixed surface of circuit board is connected with the cable, the other end fixed mounting of cable has the terminal, the outside fixed surface cladding of terminal has the plug, the outside surface of cable has cup jointed the bellows, can improve the convenience and the stability of using like this greatly, guarantees the security.

Description

High-sensitivity crankshaft position sensor

Technical Field

The utility model relates to a sensor installation field, more specifically say, relate to a high sensitive crankshaft position sensor.

Background

In the operation process of the crankshaft, in order to ensure safety, a position sensor is generally required to monitor, and a hall sensor structure is commonly used and is used through a cable connection circuit.

But current crankshaft sensor still has some weak points when actual installation uses, for example during the use, need install fixed position with sensor head, and generally all fix a position through the mounting hole on the shell body, and long-time the use causes the mounting hole wearing and tearing to warp easily, influences fixed stability, just also influences monitoring accuracy, and the cable of connecting simultaneously needs to use the clamp fixed, and the inconvenient connecting cable of current clamp, and the result of use is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, an object of the utility model is to provide a high sensitive crankshaft position sensor sets up the mounting panel on the shell body through threaded connection, and then connecting pupil inside fixed mounting bush, when easy to assemble is fixed, can locally change after wearing and tearing, safety and stability does benefit to the use, it is exactly through fixture block connection semicircle snap ring to have again, combine the constraint area, do benefit to connecting cable and continue peaceful location, avoid the interference in disorder, it is stable high-efficient, convenience and stability that can improve the use like this greatly, guarantee the security.

In order to solve the above problems, the utility model adopts the following technical proposal.

A high-sensitivity crankshaft position sensor comprises a sensor head, wherein a protective layer is fixedly filled on the inner side surface of the sensor head, the inner side surface of the protective layer is fixedly provided with a circuit board, the front end of the inner side surface of the sensor head is connected with an outer shell through a thread of a thread head, the inner side surface of the outer shell is sleeved on the outer side surface of the protective layer, the rear end of the upper surface of the outer shell is provided with a mounting plate, the mounting plate is internally provided with a connecting through hole, the inner side surface of the connecting through hole is fixedly provided with a lining, both ends of the outer surface of the bushing are provided with limiting holes which are fixedly connected with the inner surface of the mounting plate through fixing screws, the surface of the rear end of the circuit board is fixedly connected with a cable, the other end of the cable is fixedly provided with a terminal, the outer side surface of the terminal is fixedly wrapped with a plug, and the outer side surface of the cable is sleeved with a corrugated pipe.

Further, the outer surface upper end joint of bellows has the fixture block, the upper surface both sides of fixture block all are equipped with solid fixed splint, gu fixed splint's inside surface is equipped with the installation through-hole, through connect the fixture block in the bellows upper end, combines the mounting panel, does benefit to fixed mounting, and is convenient stable.

Further, the lower fixed surface of fixture block is connected with semicircle snap ring, the inboard surface joint of semicircle snap ring is in the outside surface rear end of bellows, through semicircle snap ring joint bellows, and convenient connection location can not extrude the damage simultaneously, and is stable high-efficient.

Further, the inside upper end of semicircle snap ring is equipped with the slot, the equal fixedly connected with fixed dog in inboard surface both ends of slot is through setting up the slot in the semicircle snap ring, does benefit to the grafting constraint and fixes a position.

Furthermore, the lower surface of semicircle snap ring is equipped with the constraint area, the inboard surface constraint in constraint area is connected in the surface front side of bellows, the outside surface in constraint area is pegged graft in the inboard surface of slot through the activity dog, fixes a position the bellows through the constraint area that has the activity dog, and convenient the connection is stable high-efficient, avoids in disorder not hard up.

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

(1) this scheme sets up the mounting panel on through threaded connection's the shell body, and then at the inside fixed mounting bush of connecting pupil, when easy to assemble is fixed, can locally change after wearing and tearing, and the safety and stability does benefit to the use.

(2) The clamping block is connected to the upper end of the corrugated pipe, and the mounting plate is combined, so that the corrugated pipe is favorable for fixed mounting and is convenient and stable.

(3) Through semicircle snap ring joint bellows, convenient connection location can not extrude the damage simultaneously, and is stable high-efficient.

(4) The corrugated pipe is positioned through the binding belt with the movable stop block, so that the corrugated pipe is convenient to connect, stable and efficient, and the disorder and looseness are avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic internal cross-sectional view of the present invention;

FIG. 3 is a rear side view of the outer housing of the present invention;

FIG. 4 is a partial schematic view of a bushing connection according to the present invention;

FIG. 5 is a side cross-sectional view of the semicircular snap ring connection of the present invention;

fig. 6 is a schematic structural view of the insertion positioning of the binding belt of the present invention.

The reference numbers in the figures illustrate:

the device comprises a sensor head 1, a protective layer 11, a circuit board 12, a thread head 13, an outer shell 14, a mounting plate 15, a connecting through hole 16, a bushing 17, a limiting hole 18, a fixing screw 19, a cable 2, a terminal 21, a plug 22, a corrugated pipe 23, a clamping block 3, a fixing clamping plate 31, a mounting through hole 32, a semicircular clamping ring 33, a slot 34, a fixing stop 35, a binding belt 36 and a movable stop 37.

Detailed Description

Referring to fig. 1-6, a high-sensitivity crankshaft position sensor includes a sensor head 1, referring to fig. 1, 2, 3 and 4, an inner side surface of the sensor head 1 is fixedly filled with a protection layer 11, an inner side surface of the protection layer 11 is fixedly mounted with a circuit board 12, which includes structures of a hall sensor, an electrical element, a magnet element, etc., the specific structures and connection modes are all prior art, and are not described again, the front end of the inner side surface of the sensor head 1 is connected with an outer shell 14 through a screw thread 13, which is convenient for mounting and dismounting, stable and efficient, the inner side surface of the outer shell 14 is sleeved on the outer side surface of the protection layer 11, the rear end of the upper surface of the outer shell 14 is provided with a mounting plate 15, a connecting through hole 16 is arranged inside the mounting plate 15, a bushing 17 is fixedly mounted on the inner side surface of the connecting through hole 16, so that it, convenient stable, and use the wearing and tearing back for a long time, because the aperture increase rocks easily, at this moment, set screw 19 can be loosened, then take out bush 17, the part is changed, safety and high efficiency, do benefit to the use, bush 17's outside surface both ends all are equipped with spacing hole 18, spacing hole 18 passes through 19 fixed connection of set screw in mounting panel 15's inside surface, circuit board 12's rear end fixed surface is connected with cable 2, cable 2's other end fixed mounting has terminal 21, terminal 21's outside fixed surface cladding has plug 22, conveniently peg graft and come the continuous circuit, belong to prior art, bellows 23 has been cup jointed on cable 2's outside surface, and cable 2 and bellows 23's length carry out the intercepting according to on-the-spot mounted position, can not the overlength also avoid the.

Referring to fig. 2, 5 and 6, a clamping block 3 is clamped at the upper end of the outer surface of a corrugated tube 23, fixing clamping plates 31 are respectively arranged at two sides of the upper surface of the clamping block 3, mounting through holes 32 are arranged on the inner surface of the fixing clamping plates 31 and can be fixedly mounted through bolts, so as to facilitate connection between the corrugated tube 23 and a cable 2, and to facilitate distribution and avoid scattering, a semicircular clamping ring 33 is fixedly connected to the lower surface of the clamping block 3, the inner side surface of the semicircular clamping ring 33 is clamped at the rear end of the outer side surface of the corrugated tube 23, an insertion slot 34 is arranged at the upper end of the inner side of the semicircular clamping ring 33, fixing stoppers 35 are respectively fixedly connected to two ends of the inner side surface of the insertion slot 34, a restraining belt 36 is arranged on the lower surface of the semicircular clamping ring 33, the inner side surface of the restraining belt 36 is restrained and connected to the front side of the outer surface of the corrugated tube 23, the outer side, then through the constraint of constraint area 36 fixed, convenient operation, it is stable high-efficient, and inside constraint area 36 inserted slot 34, connect conical movable stop 37 through conical fixed stop 35, do benefit to spacingly, avoid becoming flexible, convenient operation.

During the use, can be earlier fixed mounting sensor head 1, can pass bushing 17's hole through the bolt and install fixedly, then peg graft the plug 22 of the other end and connect the circuit, need carry on when spacing to cable 2 and bellows 23 simultaneously, can be with bellows 23 card inside semicircle snap ring 33, then it is fixed to tie through constraint area 36, convenient operation, it is stable high-efficient, and tie 36 inserts inside slot 34, connect conical movable stop 37 through conical fixed stop 35, do benefit to spacingly, avoid becoming flexible, then fix a position through solid fixed splint 31, can be connected to mounted position with fixture block 3, and then the auxiliary stay location, it is stable high-efficient, do benefit to the use.

Claims (5)

1. A high-sensitivity crankshaft position sensor comprising a sensor head (1), characterized in that: the sensor head comprises a sensor head body (1), a protective layer (11) is fixedly filled on the inner side surface of the sensor head body (1), a circuit board (12) is fixedly installed on the inner side surface of the protective layer (11), the front end of the inner side surface of the sensor head body (1) is connected with an outer shell body (14) through a thread head (13) in a threaded manner, the inner side surface of the outer shell body (14) is sleeved on the outer side surface of the protective layer (11), a mounting plate (15) is arranged at the rear end of the upper surface of the outer shell body (14), a connecting through hole (16) is arranged inside the mounting plate (15), a bushing (17) is fixedly installed on the inner side surface of the connecting through hole (16), limiting holes (18) are arranged at two ends of the outer side surface of the bushing (17), the limiting holes (18) are fixedly connected on the inner surface of the mounting plate (15), the other end fixed mounting of cable (2) has terminal (21), the outside fixed surface of terminal (21) coats and has plug (22), bellows (23) have been cup jointed to the outside surface of cable (2).

2. A high sensitivity crank position sensor as defined in claim 1, wherein: the surface upper end joint of bellows (23) has fixture block (3), the upper surface both sides of fixture block (3) all are equipped with solid fixed splint (31), the inside surface of solid fixed splint (31) is equipped with installation through-hole (32).

3. A high sensitivity crank position sensor as defined in claim 2, wherein: the lower surface fixed connection of fixture block (3) has semicircle snap ring (33), the inboard surface joint of semicircle snap ring (33) is in the outside surface rear end of bellows (23).

4. A high sensitivity crank position sensor as defined in claim 3, wherein: the inside upper end of semicircle snap ring (33) is equipped with slot (34), the equal fixedly connected with fixed dog (35) in inside surface both ends of slot (34).

5. A high sensitivity crank position sensor as defined in claim 3, wherein: the lower surface of the semicircular clamping ring (33) is provided with a restraining belt (36), the inner side surface of the restraining belt (36) is in restraining connection with the front side of the outer surface of the corrugated pipe (23), and the outer side surface of the restraining belt (36) is inserted into the inner side surface of the insertion groove (34) through a movable stop block (37).

Images