CN212250248U - Camshaft cylinder cover assembly capable of measuring phase of engine camshaft - Google Patents
Camshaft cylinder cover assembly capable of measuring phase of engine camshaft Download PDFInfo
- Publication number
- CN212250248U CN212250248U CN202020301245.9U CN202020301245U CN212250248U CN 212250248 U CN212250248 U CN 212250248U CN 202020301245 U CN202020301245 U CN 202020301245U CN 212250248 U CN212250248 U CN 212250248U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- phase
- gear
- engine
- signal panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model relates to the technical field of engines, in particular to a camshaft cylinder cover assembly capable of measuring the phase position of an engine camshaft, the camshaft cylinder cover assembly comprises a cylinder cover, a camshaft rotatably arranged in the cylinder cover and a gear fixedly arranged on the end part of the camshaft, the central line of the gear is superposed with the axial line of the cam shaft, a signal panel with a circular structure is fixedly arranged on the side surface of the gear, the signal coil is provided with a plurality of induction teeth at intervals along the circumferential direction of the signal coil, the side surface of the end part of the cylinder cover close to the camshaft is fixedly provided with a cover plate, the cylinder cover is provided with a plurality of phase sensors which are in induction fit with the induction teeth, the signal panel for measuring the phase of the engine camshaft is used as a single part for processing and manufacturing, and is assembled with the gear into a whole through the bolt, so that the assembly and disassembly are convenient, and the cost is low in part manufacturing; the camshaft phase sensor can measure the phase change of the camshaft in real time from the axial direction and the radial direction, and the working efficiency of the engine is improved.
Description
Technical Field
The utility model relates to the technical field of engines, specifically a can measure camshaft cylinder cap assembly of engine camshaft phase place.
Background
In the field of engines, the relationship between the phase of a camshaft and a valve actuating mechanism is inseparable, the phase change of the camshaft is transmitted to a camshaft phase sensor through a timing gear of the camshaft, the existing detection mode is that a gear and a signal panel are integrally formed, different camshaft phases are measured according to different processing procedures, and the gear and the signal panel need to be repeatedly disassembled and assembled when replaced, so that the time and labor are wasted, the production cost is increased, and the manufacturing cost of parts is higher; and the later-period fault maintenance cost is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can measure camshaft cylinder cap assembly of engine camshaft phase place to solve the problem that proposes among the above-mentioned background art.
The technical scheme of the utility model is that: the utility model provides a can measure camshaft cylinder cap assembly of engine camshaft phase place, camshaft cylinder cap assembly is including the cylinder cap, rotate camshaft and the gear of fixed mounting on the camshaft tip of installing in the cylinder cap, the axis coincidence of gear central line and camshaft, the side fixed mounting of gear has circular structure's signal disc 1, the signal coils self girth direction interval and is provided with a plurality of response tooth, the side fixed mounting that the cylinder cap is close to the tip of camshaft has the apron, the cylinder cap is provided with a plurality of and responds to complex phase sensor with the response tooth.
Furthermore, the detection direction of one of the phase sensors is parallel to the axis of the camshaft, the phase sensor is a transverse phase sensor, the perpendicular distance from the transverse phase sensor to the axis of the camshaft is equal to the distance from all the sensing teeth to the axis of the camshaft, the detection direction of the other phase sensor is perpendicular to the axis of the camshaft and points to the center of the signal panel, the phase sensor is a radial phase sensor, and the radial phase sensor and the signal panel are in the same plane.
Further, the center of signal panel is provided with the through-hole of dodging the camshaft, the axis of camshaft passes through the center of gear and signal panel perpendicularly, be provided with a plurality of bolt hole on the signal panel, be provided with a plurality of screw hole on the gear, the signal panel passes through a plurality of bolt fastening on the gear.
Furthermore, the angle differences of two adjacent induction teeth arranged at intervals around the circumference direction of the signal panel are arranged in an arithmetic progression.
Furthermore, all the induction teeth are arranged around the circumference direction of the signal panel at equal angular difference intervals.
Further, the camshaft is rotatably mounted on the cylinder cover through a camshaft shaft cover.
Furthermore, all the phase sensors are electrically connected with a controller.
Furthermore, all bolt holes on the signal panel are in a trapezoidal structure.
The utility model discloses an improve and provide a can measure camshaft cylinder cap assembly of engine camshaft phase place here, compare with prior art, have following improvement and advantage:
one is as follows: the utility model discloses measure the signal panel of engine camshaft phase place, as an independent parts processing manufacturing, assemble as an organic whole through bolt and gear, easy dismounting, it is with low costs on the parts manufacturing; in later fault maintenance, the replacement of parts is convenient and the cost is low;
the second step is as follows: the utility model discloses a horizontal phase sensor and radial phase sensor, the camshaft phase place in axial and two radial positions that can the simultaneous measurement camshaft makes camshaft phase sensor can follow axial and radial real-time measurement camshaft phase change, improves engine work efficiency.
Drawings
The invention is further explained below with reference to the figures and examples:
fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a gear, a signal panel and a camshaft according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a signal panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second signal panel according to an embodiment of the present invention;
description of reference numerals: signal panel 1, gear 2, camshaft shaft cap 3, camshaft 4, cylinder cap 5, apron 6, axial phase sensor 7, radial phase sensor 8, bolt 9, through-hole 10, bolt hole 11, response tooth 12.
Detailed Description
The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
the utility model provides a can measure camshaft cylinder cap assembly of engine camshaft phase place through improving here, as shown in figure 1-figure 3, camshaft cylinder cap assembly includes cylinder cap 5, rotates camshaft 4 and the gear 2 of fixed mounting on camshaft 4 tip installed in cylinder cap 5, the gear 2 central line coincides with the axis of camshaft 4, the side fixed mounting of gear 2 has the signal panel 1 of circular structure, signal panel 1 is provided with a plurality of induction teeth 12 around self girth direction interval, the side fixed mounting of cylinder cap 5 near the tip of camshaft 4 has apron 6, cylinder cap 5 is provided with a plurality of phase sensors with induction teeth 12 induction fit, all phase sensors are magnetoelectric phase sensor, its theory of operation is that there is the detection coil in phase sensor's the probe, can the perception metal that is close to, when no metal exists nearby, the LC circuit including the probe is in a resonance state, the output voltage U is the maximum, when a metal object approaches the probe, the detection coil can induce eddy current on the surface of the metal object, so that the inductance of the coil is changed, the LC parallel circuit is detuned, and the output voltage is reduced. The smaller the detection distance, the lower the output voltage, so that the phase change can be detected and a pulse signal can be sent to the controller, the working principle of the phase sensors is the prior art, and all the phase sensors are of the type HZ-700307890, and the details are not described herein.
The camshaft 4 rotates and the gear 2 rotates to drive the signal panel 1 to rotate, and in the rotating process, the phase sensor detects the induction teeth 12 in the rotating process, transmits pulse signals to the controller to analyze and perform the next process.
The detection direction of one of the phase sensors is parallel to the axis of the camshaft 4, the phase sensor is a transverse phase sensor, the perpendicular distance from the transverse phase sensor to the axis of the camshaft 4 is equal to the distance from all the sensing teeth 12 to the axis of the camshaft 4, the detection direction of the other phase sensor is perpendicular to the axis of the camshaft 4 and points to the center of the signal panel 1, the phase sensor is a radial phase sensor 8, and the radial phase sensor 8 and the signal panel 1 are in the same plane.
The utility model discloses a horizontal phase sensor and radial phase sensor 8, can be the axial of simultaneous measurement camshaft 4 and the 4 looks of the camshaft in two radial positions, make 4 phase sensor of camshaft can follow axial and radial real-time measurement camshaft 4 phase change, improve engine work efficiency.
The center of signal panel 1 is provided with the through-hole 10 of dodging camshaft 4, the axis of camshaft 4 passes through the center of gear 2 and signal panel 1 perpendicularly, be provided with a plurality of bolt hole 11 on the signal panel 1, be provided with a plurality of screw hole on the gear 2, signal panel 1 is fixed on gear 2 through a plurality of bolt 9.
The utility model discloses the signal panel 1 of measuring engine camshaft 4 phase place, as an independent parts processing manufacturing, assembles as an organic whole through bolt 9 and gear 2, easy dismounting, it is with low costs on the parts manufacturing; in later-stage fault maintenance, the replacement of parts is convenient and the cost is low.
Two adjacent response tooth 12 is the arithmetic progression setting around the angular difference of the circumference direction interval arrangement of signal disc 1, detects the different phases of camshaft 4 according to the process needs, sets up the response tooth 12 of different positions according to the demand, reduces the processing degree of difficulty.
All the induction teeth 12 are arranged at equal angular difference intervals around the circumference direction of the signal panel 1.
Camshaft 4 rotates through camshaft shaft cap 3 and installs on cylinder cap 5, and camshaft shaft cap 3 can guarantee the rotatory stability of camshaft 4.
All the phase sensors are electrically connected with a controller, the controller is an editable logic controller, the type of the controller is CPM1A-40EDR with 40/24 points of extended I/O units, and the working principle of the controller is the prior art and is not detailed here.
All bolt holes 11 on the signal panel 1 are the trapezium structure, and the signal panel 1 is installed on gear 2 through bolt 9, and bolt 9 head is through bolt hole 11 completely, and when can avoiding signal panel 1 rotatory, bolt 9 touched cylinder cap 5.
Example two:
the utility model provides a can measure camshaft cylinder cap assembly of engine camshaft phase place through improving here, as shown in figure 1-figure 4, camshaft cylinder cap assembly includes cylinder cap 5, rotates camshaft 4 and the gear 2 of fixed mounting on camshaft 4 tip installed in cylinder cap 5, the gear 2 central line coincides with the axis of camshaft 4, the side fixed mounting of gear 2 has the signal panel 1 of circular structure, signal panel 1 is provided with a plurality of induction teeth 12 around self girth direction interval, the side fixed mounting of cylinder cap 5 near the tip of camshaft 4 has apron 6, cylinder cap 5 is provided with a plurality of phase sensors with induction teeth 12 induction fit, all phase sensors are magnetoelectric phase sensor, its theory of operation is that there is the detection coil in phase sensor's the probe, can the perception metal that is close to, when no metal exists nearby, the LC circuit including the probe is in a resonance state, the output voltage U is the maximum, when a metal object approaches the probe, the detection coil can induce eddy current on the surface of the metal object, so that the inductance of the coil is changed, the LC parallel circuit is detuned, and the output voltage is reduced. The smaller the detection distance, the lower the output voltage, so that the phase change can be detected and a pulse signal can be sent to the controller, the working principle of the phase sensors is the prior art, and all the phase sensors are of the type HZ-700307890, and the details are not described herein.
The camshaft 4 rotates and the gear 2 rotates to drive the signal panel 1 to rotate, and in the rotating process, the phase sensor detects the induction teeth 12 in the rotating process, transmits pulse signals to the controller to analyze and perform the next process.
The detection direction of one of the phase sensors is parallel to the axis of the camshaft 4, the phase sensor is a transverse phase sensor, the perpendicular distance from the transverse phase sensor to the axis of the camshaft 4 is equal to the distance from all the sensing teeth 12 to the axis of the camshaft 4, the detection direction of the other phase sensor is perpendicular to the axis of the camshaft 4 and points to the center of the signal panel 1, the phase sensor is a radial phase sensor 8, and the radial phase sensor 8 and the signal panel 1 are in the same plane.
The utility model discloses a horizontal phase sensor and radial phase sensor 8, can be the axial of simultaneous measurement camshaft 4 and the 4 looks of the camshaft in two radial positions, make 4 phase sensor of camshaft can follow axial and radial real-time measurement camshaft 4 phase change, improve engine work efficiency.
The center of signal panel 1 is provided with the through-hole 10 of dodging camshaft 4, the axis of camshaft 4 passes through the center of gear 2 and signal panel 1 perpendicularly, be provided with a plurality of bolt hole 11 on the signal panel 1, be provided with a plurality of screw hole on the gear 2, signal panel 1 is fixed on gear 2 through a plurality of bolt 9.
The utility model discloses the signal panel 1 of measuring engine camshaft 4 phase place, as an independent parts processing manufacturing, assembles as an organic whole through bolt 9 and gear 2, easy dismounting, it is with low costs on the parts manufacturing; in later-stage fault maintenance, the replacement of parts is convenient and the cost is low.
Two adjacent response tooth 12 is the arithmetic progression setting around the angular difference of the circumference direction interval arrangement of signal disc 1, detects the different phases of camshaft 4 according to the process needs, sets up the response tooth 12 of different positions according to the demand, reduces the processing degree of difficulty.
All the induction teeth 12 are arranged at equal angular difference intervals around the circumference direction of the signal panel 1, and the phase precision of the camshaft 4 can be adjusted and detected by replacing the signal panel 1 with different adjacent angular differences, so that the phase of the camshaft 4 can be detected in real time.
Camshaft 4 rotates through camshaft shaft cap 3 and installs on cylinder cap 5, and camshaft shaft cap 3 can guarantee the rotatory stability of camshaft 4.
All the phase sensors are electrically connected with a controller, the controller is an editable logic controller, the type of the controller is CPM1A-40EDR with 40/24 points of extended I/O units, the working principle of the controller is the prior art, and the detailed description is omitted here.
All bolt holes 11 on the signal panel 1 are the trapezium structure, and the signal panel 1 is installed on gear 2 through bolt 9, and bolt 9 head is through bolt hole 11 completely, and when can avoiding signal panel 1 rotatory, bolt 9 touched cylinder cap 5.
The signal panel 1 of embodiment one processes the degree of difficulty and hangs down, can the pertinence simultaneously need detect the response tooth 12 position of camshaft 4 phase place, and real-time example two can real-time detection camshaft 4 phase place at any time.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a can measure camshaft cylinder cap assembly of engine camshaft phase place which characterized in that: camshaft cylinder cap assembly is including cylinder cap (5), rotation camshaft (4) and gear (2) of fixed mounting on camshaft (4) tip of installing in cylinder cap (5), the axis coincidence of gear (2) central line and camshaft (4), the side fixed mounting of gear (2) has signal disc (1) of circular structure, signal disc (1) is provided with a plurality of response tooth (12) around self girth direction interval, the side fixed mounting that cylinder cap (5) is close to the tip of camshaft (4) has apron (6), cylinder cap (5) are provided with a plurality of and respond to complex phase sensor with response tooth (12).
2. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft as claimed in claim 1 wherein: the detection direction of one phase sensor is parallel to the axis of the camshaft (4), the phase sensor is a transverse phase sensor, the perpendicular distance from the transverse phase sensor to the axis of the camshaft (4) is equal to the distance from all the sensing teeth (12) to the axis of the camshaft (4), the detection direction of the other phase sensor is perpendicular to the axis of the camshaft (4) and points to the center of the signal disc (1), the phase sensor is a radial phase sensor (8), and the radial phase sensor (8) and the signal disc (1) are in the same plane.
3. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft as claimed in claim 1 wherein: the center of signal panel (1) is provided with through-hole (10) of dodging camshaft (4), the axis of camshaft (4) is perpendicular through the center of gear (2) and signal panel (1), be provided with a plurality of bolt hole (11) on signal panel (1), be provided with a plurality of screw hole on gear (2), signal panel (1) is fixed on gear (2) through a plurality of bolt (9).
4. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft as claimed in claim 1 wherein: the angle differences of two adjacent induction teeth (12) which are arranged at intervals around the circumference direction of the signal panel (1) are arranged in an arithmetic progression.
5. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft as claimed in claim 1 wherein: all the induction teeth (12) are arranged at equal angular difference intervals around the perimeter direction of the signal panel (1).
6. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft as claimed in claim 1 wherein: the camshaft (4) is rotatably arranged on the cylinder cover (5) through a camshaft shaft cover (3).
7. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft as claimed in claim 1 wherein: all the phase sensors are electrically connected with a controller.
8. A camshaft cylinder head assembly capable of measuring the phase of an engine camshaft according to claim 3 wherein: all bolt holes (11) on the signal panel (1) are in a trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301245.9U CN212250248U (en) | 2020-03-12 | 2020-03-12 | Camshaft cylinder cover assembly capable of measuring phase of engine camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301245.9U CN212250248U (en) | 2020-03-12 | 2020-03-12 | Camshaft cylinder cover assembly capable of measuring phase of engine camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250248U true CN212250248U (en) | 2020-12-29 |
Family
ID=73991342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020301245.9U Active CN212250248U (en) | 2020-03-12 | 2020-03-12 | Camshaft cylinder cover assembly capable of measuring phase of engine camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943451A (en) * | 2021-02-05 | 2021-06-11 | 浙江吉利控股集团有限公司 | Camshaft phase judgment structure and camshaft phase judgment method |
-
2020
- 2020-03-12 CN CN202020301245.9U patent/CN212250248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943451A (en) * | 2021-02-05 | 2021-06-11 | 浙江吉利控股集团有限公司 | Camshaft phase judgment structure and camshaft phase judgment method |
| CN112943451B (en) * | 2021-02-05 | 2022-12-06 | 浙江吉利控股集团有限公司 | Camshaft phase judgment structure and camshaft phase judgment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101813563B (en) | Engine piston position and phase position full operation condition measurement system and method | |
| CN111379625A (en) | Camshaft cylinder cover assembly capable of measuring phase of engine camshaft | |
| CN100491922C (en) | Magnetic encoder | |
| CN212250248U (en) | Camshaft cylinder cover assembly capable of measuring phase of engine camshaft | |
| US9958297B2 (en) | Sensor device for ascertaining at least one rotation characteristic of a rotating element | |
| KR20170056679A (en) | Device for detecting speed of a rotatable element, method and vehicle | |
| CN203811188U (en) | Magnetic rotation encoder | |
| WO2013120374A1 (en) | Multiturn rotary encoder | |
| CN106370149A (en) | Engine correct time angle measuring device and detection method | |
| CN110120724A (en) | A kind of angle of rotor of motor measuring device and method | |
| CN201438194U (en) | Motor rotating speed and rotating direction detecting device | |
| CN208984048U (en) | A kind of variable timing phase phase angle and gap angle measuring device | |
| CN209704644U (en) | Aero-engine | |
| CN204165994U (en) | A kind ofly measure rotating speed and the device that turns to and the engineering machinery with it | |
| CN214583316U (en) | Magnetoelectric encoder for sewing machine | |
| CN204301754U (en) | Gear rotary encoder | |
| CN210603162U (en) | Intelligent high-precision engine crankshaft camshaft signal panel | |
| CN201561856U (en) | All-condition measuring system of position of piston and phases of engine | |
| CN213367583U (en) | Outer rotor permanent magnet synchronous servo motor and integrated electric roller | |
| CN213461584U (en) | Angle control device of stepping motor | |
| EP2161548A2 (en) | A control unit and method for determining the angular position of a drive shaft of an internal combustion engine | |
| CN202090973U (en) | Compact type cam position sensor toothed plate | |
| US9388751B2 (en) | Engine speed determination by gear castellation | |
| CN204163912U (en) | Gas fuel engine Digital igniter advance/retard mechanism | |
| CN209326606U (en) | A kind of meter counter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |