CN218117906U - Driving gear and signal panel assembly - Google Patents

Abstract

The utility model provides a drive gear and signal panel assembly belongs to engine technical field. It has solved the inconvenient scheduling problem of current drive gear and signal disc equipment. This drive gear and signal disc assembly, including drive gear and signal disc, the signal disc includes the disk body, pinhole and bolt hole have been seted up on the disk body, round pin shaft hole and screw hole have been seted up on the drive gear, a serial communication port, the convex location body that is coniform has on drive gear's the positive terminal surface, the lateral surface of location body is the locating surface, the constant head tank that is coniform that corresponds with the location body has on the back of disk body, the groove wall of constant head tank is for pasting the face, the location body is embedded into in the constant head tank and the locating surface pastes with pasting and paste, the calorie hole has been seted up on the locating surface, paste and be fixed with spring plunger on the face, spring plunger has elastic connection's location head, the outer end of location head stretches out the connecting hole and inserts in the calorie hole. The utility model discloses it is convenient to assemble between well drive gear and the signal disc.

Description

Driving gear and signal panel assembly

Technical Field

The utility model belongs to the technical field of the engine, a drive gear and signal panel assembly is related to.

Background

The existing engine widely adopts ECU to control the fuel injection system to optimize the running condition of the engine. Generally, fix the signal disc at the end of engine camshaft, the signal disc rotates along with the camshaft, and signal disc department corresponds the sensor that sets up and be used for detecting camshaft position.

As disclosed in chinese patent literature, a camshaft signal disc and an engine having the same [ application number: CN201921582126.9; the notice number is: CN211116265U ], the signal panel comprises a panel body, signal teeth and a driving shaft portion, the signal teeth are vertically arranged at the edge of the circumferential direction of the panel body, the driving shaft portion is vertically arranged at the center of the panel body, and one end, far away from the panel body, of the driving shaft portion is provided with a plurality of driving teeth. The engine includes camshaft, drive gear and signal disc set up in the one end of camshaft, be provided with a plurality of second bolt holes that correspond with a plurality of first bolt holes on the signal disc on the drive gear, still be provided with the second locating pin hole that corresponds with first locating pin hole on the signal disc on the drive gear, the signal disc passes through the bolt and is connected with drive gear to fix a position through the locating pin, drive gear can pass through the drive axial region drive air compressor on the signal disc.

The front surface of the disk body is provided with signal teeth and a driving shaft part, and the back surface of the disk body is attached to the end surface of the driving gear. When equipment drive gear and signal disc, the disk body pastes and leans on drive gear's terminal surface, moves the disk body again and makes first bolt hole and second bolt hole relative, and first locating pin hole is relative with second locating pin hole, then inserts the locating pin in first locating pin hole and second locating pin hole, and the bolt is inserted in first bolt hole and the second bolt hole and is screwed up. When aiming at first locating pin hole and second locating pin hole and first bolt hole and second bolt hole, often observe through the naked eye, the location is inconvenient, in addition at the cartridge locating pin in-process, when the locating pin does not insert the second pinhole, has not fixed a position between signal disc and the drive gear yet, and the disk body takes place the off position easily, makes the locating pin difficult smooth insert the round pin shaft hole in, leads to assembling between drive gear and the signal disc inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a drive gear and signal disc assembly, the technical problem of solution makes drive gear and signal disc equipment convenient.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a drive gear and signal disc assembly, includes drive gear and signal disc, the signal disc includes the disk body, the positive center department protrusion of disk body has the drive axial region, the positive edge protrusion of disk body has and is annular bulge loop, be provided with the signal tooth on the bulge loop, pinhole and bolt hole have been seted up between bulge loop and the drive axial region in the front of disk body, round pin shaft hole and screw hole have been seted up on the drive gear, wear to be equipped with the locating pin in pinhole and the round pin shaft hole, wear to be equipped with the bolt in bolt hole and the screw hole, its characterized in that, the convex location body that is coniform has on the positive terminal surface of drive gear, the lateral surface of location body is the locating surface, the axis of location body and drive gear's axis, have the constant head tank that is coniform that corresponds with the location body on the back of disk body, the groove wall face of constant head is for leaning on the face, the location body is embedded into in the constant head tank and lean on the face and lean on, the card hole has been seted up on the face, lean on the face, be seted up the connecting hole on the face, be fixed with spring plunger in the connecting hole, spring plunger has elastic connection's outer end, the location head stretches out in the location head.

When the driving gear and the signal disc are assembled, the positive end face of the driving gear faces upwards, namely the positioning body faces upwards, then the back face of the disc body is placed on the driving gear opposite to the positive end face of the driving gear, the positioning body is embedded into the positioning groove, the positioning groove is conical correspondingly arranged with the positioning body, the positioning surface is in self-adaptive fit abutting joint with the abutting surface, so that axial positioning and radial positioning are formed between the signal disc and the driving gear, at the moment, the positioning head of the spring plunger is generally abutted against the positioning surface and contracted in the connecting hole, then the signal disc is rotated, when the spring plunger is opposite to the clamping hole, the positioning head of the spring plunger is inserted into the clamping hole to circumferentially position the signal disc and the driving gear, at the moment, the pin hole is opposite to the pin hole, the bolt hole is opposite to the threaded hole, the positioning pin is inserted into the pin hole and the pin hole, and the threaded hole, and the bolt is inserted into the bolt hole and screwed tightly, and the assembly between the signal disc and the driving gear is completed. In the assembling process, through the locating surface that is the conical surface form with paste to paste between the face and realize automatic radial positioning and axial positioning, realize automatic circumference location through the grafting cooperation between spring plunger and the card hole, need not to observe the position of pinhole and round pin shaft hole and bolt hole and screw hole through the naked eye like this, make signal disc and drive gear equipment convenient. Moreover, at the in-process of cartridge locating pin, when the locating pin did not insert the round pin shaft hole, had formed the location through locating body and constant head tank and spring plunger and card hole between signal disc and the drive gear, the signal disc is difficult to take place to run the position for the locating pin can be smoothly the cartridge in the round pin shaft hole, make the equipment convenient between drive gear and the signal disc.

In foretell drive gear and signal disc assembly, the connecting hole is the through-hole, connecting hole and pinhole are located the both sides of disk body axis respectively, the aperture of bolt hole equals the aperture of pinhole, the aperture of connecting hole is less than or equal to the aperture of pinhole, the distance of bolt hole to disk body axis is less than the distance of pinhole to disk body axis, the distance of connecting hole to disk body axis is greater than the distance of pinhole to disk body axis, and the distance of connecting hole to disk body axis differs the aperture of a pinhole with the distance of pinhole to disk body axis. Set up like this and can guarantee at the in-process of equipment signal disc and drive gear, during screw hole and round pin shaft hole can not fallen to the location head when rotating the signal disc. In addition, the connecting holes can be machined incidentally when the pin holes and the bolt holes are machined, so that the machining of the connecting holes is convenient. And because the connecting hole is the through-hole, can take out spring plunger from the connecting hole after accomplishing the equipment of drive gear and signal dish, make this spring plunger be used for the equipment of other signal dishes, reduce cost.

In foretell drive gear and signal disc assembly, the spring plunger includes double-screw bolt and spring, the double-screw bolt inserts in the connecting hole and forms threaded connection, one of double-screw bolt is served and has been seted up the accommodation hole, the spring mounting is in the accommodation hole, the locating head inlays the dress in the orifice department of accommodation hole and can follow the accommodation hole and slide, under the effect of spring the accommodation hole is stretched out to the outer end of locating head.

When installing spring plunger, insert the double-screw bolt and make the connecting hole stretch out of the outer end of location head in the connecting hole, when spring plunger does not when mutually opposing with the card hole, the location head supports and leans on the locating surface and overcomes the elasticity of spring and contracts back to in the connecting hole, when spring plunger is relative with the card hole, the outer end of location head stretches out the connecting hole and inserts in the card hole under the effect of spring, make things convenient for the circumference location of signal disc and drive gear when the equipment, make signal disc and drive gear equipment convenient.

In the assembly of the driving gear and the signal disc, the included angle between the positioning surface and the axis of the driving gear is 84-86 degrees. The constant head tank sets up with the location body corresponds, and the contained angle between the face of leaning on in the constant head tank and the disk body axis is 84-86 like this, can reduce the influence of constant head tank setting to signal disc structural strength like this, is favorable to making signal disc stable in structure.

In foretell drive gear and signal dish assembly, have the clearance of stepping down between the back of disk body and the positive terminal surface of drive gear, the clearance of stepping down is located the outside of constant head tank. The existence of the clearance of stepping down can avoid taking place between the back of disk body and the positive terminal surface of drive gear to support and lean on and influence the location between location body and the constant head tank to make the location accurate between drive gear and the signal disc, the equipment is convenient.

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

set up the location body that is coniform on drive gear's the positive terminal surface, the back setting of signal disc disk body is coniform constant head tank, and the lateral surface of the location body is the locating surface, and the lateral wall face of constant head tank is for pasting the face, and the locating body is embedded into in the constant head tank and the locating surface pastes with pasting the face and pasting, has seted up the card hole on the locating surface, pastes and has seted up the connecting hole on the face, is fixed with spring plunger in the connecting hole, and spring plunger's locating head inserts in the card hole. Through the locating surface with paste the face and realize radial positioning and axial positioning, realize the circumference location through spring plunger and card hole, make signal disc and drive gear equipment convenient.

Drawings

FIG. 1 is a perspective view of the present drive gear and signal panel assembly;

FIG. 2 is a cross-sectional view of the present drive gear and signal panel assembly;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an exploded view of the present drive gear and annunciator panel assembly;

fig. 5 is a perspective view of a signal panel in the present drive gear and signal panel assembly.

In the figure, 1, a driving gear; 1a, a pin shaft hole; 1b, a threaded hole; 1c, a positioning body; 1c1, a positioning surface; 1c2, a clamping hole; 2. a signal panel; 2a, a tray body; 2a1, pin holes; 2a2, bolt holes; 2a3, a positioning groove; 2a4, a contact surface; 2a5, connecting holes; 2b, a drive shaft portion; 2c, a convex ring; 2d, signal teeth; 3. positioning pins; 4. a bolt; 5. a spring plunger; 5a, a positioning head; 5b, a stud; 5b1, a receiving hole; 5c, a spring; 6. and (5) yielding gaps.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, a driving gear and signal panel assembly comprises a driving gear 1 and a signal panel 2, wherein the front end face of the driving gear 1 is opposite to the back face of the signal panel 2, the driving gear 1 is fixedly connected with the signal panel 2 through a bolt 4, and the tooth part of the outer peripheral surface of the driving gear 1 is not shown. The signal panel 2 is including being discoid disk body 2a, and the positive center department protrusion of disk body 2a has the drive axial region 2b, is provided with the drive tooth on the drive axial region 2b, and the drive tooth has four and arranges in proper order along circumference. The edge of the front face of the disc body 2a is protruded with an annular convex ring 2c, the convex ring 2c is provided with five signal teeth 2d, and the number of the signal teeth 2d is five.

The positive end surface of the driving gear 1 is provided with a convex conical positioning body 1c, the outer side surface of the positioning body 1c is a positioning surface 1c1, and the axis of the positioning body 1c is collinear with the axis of the driving gear 1. The back surface of the tray body 2a is provided with a conical positioning groove 2a3 corresponding to the positioning body 1c, the wall surface of the positioning groove 2a3 is a contact surface 2a4, and the axis of the positioning groove 2a3 is collinear with the axis of the tray body 2 a. The locating body 1c is embedded into the locating groove 2a3, the locating surface 1c1 is attached to the attaching surface 2a4, a yielding gap 6 is formed between the front end surface of the driving gear 1 and the back surface of the disc body 2a, and the yielding gap 6 is located on the outer side of the locating groove 2a 3. The angle between the locating surface 1c1 and the axis of the drive gear 1 is 84-86 deg., typically 85 deg.. The included angle between the abutting surface 2a4 and the axis of the disc body 2a is equal to the included angle between the positioning surface 1c1 and the axis of the driving gear 1.

A pin hole 2a1 and six bolt holes 2a2 are formed in the front surface of the disc body 2a between the convex ring 2c and the driving shaft part 2b, and the pin hole 2a1 and the bolt holes 2a2 penetrate through the abutting surface 2a4. A pin shaft hole 1a and a threaded hole 1b are formed in a positioning surface 1c1 of the driving gear 1, the pin shaft hole 1a is opposite to a pin hole 2a1, the threaded hole 1b is opposite to a bolt hole 2a2, the aperture of the pin hole 2a1 is equal to that of the pin shaft hole 1a, and the aperture of the threaded hole 1b is smaller than that of the bolt hole 2a 2. The pin hole 2a1 and the pin shaft hole 1a are provided with a positioning pin 3, a bolt 4 is arranged in the bolt hole 2a2 and the threaded hole 1b, and the bolt 4 and the threaded hole 1b are in threaded connection. The positioning pin 3 is tightly matched with the pin hole 2a1, and the positioning pin 3 is also tightly matched with the pin hole 1 a. The diameter of the bolt hole 2a2 is equal to that of the pin hole 2a1, six bolt holes 2a2 are uniformly arranged along the circumferential direction, and the distance from the bolt hole 2a2 to the axis of the disc body 2a is smaller than that from the pin hole 2a1 to the axis of the disc body 2 a.

The positioning surface 1c1 is further provided with a clamping hole 1c2, the attaching surface 2a4 is provided with a connecting hole 2a5, and a spring plunger 5 is fixed in the connecting hole 2a 5. The spring plunger 5 has a positioning head 5a elastically connected, and the outer end of the positioning head 5a is protruded out of the connection hole 2a5 and inserted into the card hole 1c 2. The connecting hole 2a5 is a through hole, that is, the connecting hole 2a5 penetrates through the front surface of the disk body 2a, and the connecting hole 2a5 and the pin hole 2a1 are respectively positioned at two sides of the axis of the disk body 2 a. The radial position of the connection hole 2a5 is required to avoid the insertion of the positioning head 5a of the spring plunger 5 into the threaded hole 1b and the pin shaft hole 1 a. Preferably, the aperture of the connection hole 2a5 is smaller than or equal to the aperture of the pin hole 2a1, the distance from the connection hole 2a5 to the axis of the disc body 2a is greater than the distance from the pin hole 2a1 to the axis of the disc body 2a, the distance from the connection hole 2a5 to the axis of the disc body 2a and the distance from the pin hole 2a1 to the axis of the disc body 2a differ by one aperture of the pin hole 2a1, or the distance from the connection hole 2a5 to the axis of the disc body 2a is smaller than the distance from the bolt hole 2a2 to the axis of the disc body 2a, and the distance from the connection hole 2a5 to the axis of the disc body 2a and the distance from the bolt hole 2a2 to the axis of the disc body 2a differ by one aperture of the pin hole 2a 1. For example, the diameter of the connection hole 2a5 is 5mm or 6mm, the diameter of the pin hole 2a1 is 6mm, the distance from the pin hole 2a1 to the axis of the disc body 2a is 27mm, the distance from the pin hole 2a2 to the axis of the disc body 2a is 25mm, and the distance from the connection hole 2a5 to the axis of the disc body 2a is 33mm or 19mm.

The spring plunger 5 comprises a stud 5b and a spring 5c, the stud 5b is inserted into the connecting hole 2a5 and forms threaded connection, a receiving hole 5b1 is formed in one end of the stud 5b, and the receiving hole 5b1 is a blind hole. The spring 5c is mounted in the receiving hole 5b1, and both ends of the spring 5c abut against the bottom surface of the receiving hole 5b1 and the positioning head 5a, respectively. The positioning head 5a is fitted into the opening of the receiving hole 5b1 and can slide along the receiving hole 5b1, and the outer end of the positioning head 5a extends out of the receiving hole 5b1 under the action of the spring 5 c. The positioning head 5a is cylindrical, and the positioning head 5a is in clearance fit with the clamping hole 1c 2. The diameter of the engaging hole 1c2 is smaller than that of the connecting hole 2a 5. The inner end of the positioning head 5a is provided with a retaining shoulder, and the outer end of the positioning head 5a is hemispherical. The opening of the receiving bore 5b1 is generally constricted and deformed after the spring 5c and the retaining head 5a are mounted, and a retaining shoulder is retained on the retaining projection, so that the retaining head 5a is axially retained in the receiving bore 5b1.

When assembling drive gear 1 and signal disc 2, the positive terminal surface of drive gear 1 is up, locating body 1c is up promptly, then place drive gear 1 with the positive terminal surface of disk body 2a facing to drive gear 1 on, locating body 1c imbeds in constant head tank 2a3, because locating body 1c is coniform, constant head tank 2a3 also is coniform with locating body 1c corresponding setting, locating surface 1c1 and paste face 2a4 self-adaptation cooperation and paste, make form axial positioning and radial positioning between signal disc 2 and drive gear 1, locating head 5a of spring plunger 5 generally supports and leans on locating surface 1c1 and shrink in connecting hole 2a5 this moment, then rotate signal disc 2, when spring plunger 5 is opposite to calorie hole 1c2, locating head 5a of spring plunger 5 inserts in calorie hole 1c2 and makes signal disc 2 and drive gear 1 circumferential positioning, pinhole 2a1 is just right to round pin hole 1a at this moment, bolt hole 2a2 is just right to bolt hole 1b, insert bolt hole 2a into pinhole 2a, bolt hole 2a and bolt hole 1b are tight, the bolt hole 2a is inserted in the bolt hole 1b, the bolt hole 2a and bolt hole 2 is screwed up, the bolt hole 2b is accomplished between signal disc 2 and the screw up promptly.

In the assembling process, through being conical surface's locating surface 1c1 with paste to paste and lean on realizing automatic radial positioning and axial positioning between the face 2a4, realize automatic circumference location through the grafting cooperation between spring plunger 5 and the card hole 1c2, need not like this through the position of naked eye observation pinhole 2a1 and pin shaft hole 1a and bolt hole 2a2 and screw hole 1b, make signal disc 2 and drive gear 1 equipment convenient. Moreover, at the in-process of cartridge locating pin 3, when locating pin 3 did not insert in round pin axle hole 1a, had formed the location through locating body 1c and constant head tank 2a3 and spring plunger 5 and card hole 1c2 between signal disc 2 and the drive gear 1, signal disc 2 is difficult to take place to run the position for in locating pin 3 can the smooth cartridge round pin axle hole 1a, make the equipment convenient between drive gear 1 and the signal disc 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (5)

1. The utility model provides a drive gear and signal disc assembly, includes drive gear (1) and signal disc (2), signal disc (2) are including disk body (2 a), disk body (2 a) positive center department protrusion has drive axial region (2 b), disk body (2 a) positive edge protrusion has and is annular bulge loop (2 c), be provided with signal tooth (2 d) on bulge loop (2 c), lie in on the front of disk body (2 a) between bulge loop (2 c) and drive axial region (2 b) and seted up pinhole (2 a 1) and bolt hole (2 a 2), set up round pin shaft hole (1 a) and screw hole (1 b) on drive gear (1), wear to be equipped with locating pin (3) in pinhole (2 a 1) and round pin shaft hole (1 a), wear to be equipped with bolt (4) in bolt hole (2 a 2) and the screw hole (1 b), its characterized in that, have convex cone form locating body (1 c) that is on the positive terminal surface of drive gear (1), the lateral surface of bolt hole (2 a) is collineatly located body (1 c) the axis (1 c) and is the axis locating groove (2 c) and is the collineatly located the locating groove (2 a) and the locating groove (2 a) axis (2 c) and has the locating groove (2 a) and the locating groove (2) is the locating groove (2) corresponding, the utility model discloses a positioning body, including locating body (1 c), locating body (2 a 3), locating surface (1 c 1) and paste and lean on face (2 a 4) and paste, seted up card hole (1 c 2) on locating surface (1 c 1), paste and seted up connecting hole (2 a 5) on face (2 a 4), be fixed with spring plunger (5) in connecting hole (2 a 5), spring plunger (5) have elastic connection's location head (5 a), the outer end of location head (5 a) stretches out connecting hole (2 a 5) and inserts in card hole (1 c 2).

2. The assembly of the driving gear and the signal disc as claimed in claim 1, wherein the connecting hole (2 a 5) is a through hole, the connecting hole (2 a 5) and the pin hole (2 a 1) are respectively located at two sides of the axis of the disc body (2 a), the hole diameter of the bolt hole (2 a 2) is equal to the hole diameter of the pin hole (2 a 1), the hole diameter of the connecting hole (2 a 5) is smaller than or equal to the hole diameter of the pin hole (2 a 1), the distance from the bolt hole (2 a 2) to the axis of the disc body (2 a) is smaller than the distance from the pin hole (2 a 1) to the axis of the disc body (2 a), the distance from the connecting hole (2 a 5) to the axis of the disc body (2 a) is greater than the distance from the pin hole (2 a 1) to the axis of the disc body (2 a), and the distance from the connecting hole (2 a 5) to the axis of the disc body (2 a) differs from the pin hole (2 a 1) to the axis of the disc body (2 a) by the hole diameter of the pin hole (2 a 1).

3. The assembly of the driving gear and the signal disc as claimed in claim 2, wherein the spring plunger (5) comprises a stud (5 b) and a spring (5 c), the stud (5 b) is inserted into the connecting hole (2 a 5) and forms a threaded connection, a receiving hole (5 b 1) is formed in one end of the stud (5 b), the spring (5 c) is installed in the receiving hole (5 b 1), the positioning head (5 a) is embedded in the hole of the receiving hole (5 b 1) and can slide along the receiving hole (5 b 1), and the outer end of the positioning head (5 a) extends out of the receiving hole (5 b 1) under the action of the spring (5 c).

4. A drive gear and signal disc assembly according to any one of claims 1 to 3 wherein the angle between the locating surface (1 c 1) and the axis of the drive gear (1) is between 84 ° and 86 °.

5. The drive gear and signal disc assembly according to any one of claims 1 to 3, wherein a relief gap (6) is provided between the back of the disc body (2 a) and the positive end face of the drive gear (1), the relief gap (6) being located outside the positioning slot (2 a 3).

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