CN218325070U - Vehicle engine starting motor with internal clutch - Google Patents
Vehicle engine starting motor with internal clutch Download PDFInfo
- Publication number
- CN218325070U CN218325070U CN202222976939.4U CN202222976939U CN218325070U CN 218325070 U CN218325070 U CN 218325070U CN 202222976939 U CN202222976939 U CN 202222976939U CN 218325070 U CN218325070 U CN 218325070U
- Authority
- CN
- China
- Prior art keywords
- shaft
- spline
- iron core
- shaft sleeve
- movable iron
- 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
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A vehicle engine starting motor with an internal clutch comprises an electromagnetic switch, a direct current motor and a transmission mechanism; the movable contact spring and the top spring are arranged at the top of the movable iron core, and the tail part of the movable iron core is connected with the ejector rod; the push rod is sleeved with a first return spring, and the transmission mechanism comprises a one-way built-in clutch and an output gear, wherein the one-way built-in clutch is provided with a middle gear, a shaft sleeve, a bearing and an output shaft; the inner wall of the shaft sleeve is provided with an internal spline; the output shaft is provided with an external spline; the outer spline and the inner spline are engaged or separated in a sliding manner, and a second return spring is sleeved on the output shaft; the end surface of the outer end of the spline shaft is provided with a guide hole groove; the top rod and one tail part of the reset spring extend into the guide hole groove; the movable iron core or the return spring II pushes the output shaft to move so that the external spline and the internal spline are inserted or separated; the outer end of the middle shaft of the direct current motor is provided with a tooth shaft, and teeth of the tooth shaft are in meshing transmission with the intermediate gear through the transition gear. The utility model discloses cancelled the shift fork, directly promoted the clutch separation and reunion through movable iron core, the complete machine is small longe-lived, and the transmission shaft transmission is more stable.
Description
Technical Field
The utility model relates to a vehicle engine accessory technical field especially relates to a vehicle engine starter motor with internal clutch.
Background
There has been utility model patent CN201615014U disclosed a starter motor for vehicle engine, and the drive mechanism of this patent is equipped with shift fork, one way clutch etc. and its during operation drives the shift fork by movable iron core and stirs one way clutch separation and reunion, drives output gear and rotates. The setting of shift fork on the one hand occupies bulky, and on the other hand uses the shift fork for a long time to damage easily, causes the complete machine life-span to reduce, so need improve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle engine starter motor with internal clutch, the volume that its aim at solved setting of shift fork to possess is big, and on the other hand uses the easy technical problem who damages of shift fork for a long time.
The technology of the utility model is realized as follows:
a vehicle engine starting motor with an internal clutch comprises an electromagnetic switch, a direct current motor and a transmission mechanism which are arranged in a shell; the direct current motor comprises a stator, an armature, a carbon brush and a carbon brush holder; the electromagnetic switch comprises a movable iron core, a coil, a movable contact piece, a contact and a top spring; it is characterized in that the preparation method is characterized in that,
the electromagnetic switch 1 and the direct current motor are arranged in a machine shell side by side, the top of the movable iron core 11 is sequentially provided with the movable contact spring 12 and the top spring 13, and the tail part of the movable iron core is connected with a coaxial top rod 14; the ejector rod is sleeved with a first return spring 15, and the ejector rod and the return spring penetrate through shaft holes in the wall of the machine shell one by one;
the transmission mechanism 2 is arranged in the shell at one side of the tail part of the electromagnetic switch and comprises a one-way built-in clutch 200 and an output gear 21; the one-way built-in clutch comprises an intermediate gear 201, a shaft sleeve 202, a bearing 203 and an output shaft 204; the shaft sleeve is arranged on the shell through two groups of bearings and is coaxially arranged with the movable iron core, the intermediate gear is positioned between the two groups of bearings and is sleeved on the shaft sleeve to be in key connection with the shaft sleeve to rotate synchronously, and the inner wall of a shaft sleeve hole of the shaft sleeve is provided with an internal spline 209; the output shaft is a step shaft and comprises a spline shaft 205 which is positioned in the shaft sleeve hole and is in sliding fit with the shaft sleeve hole, and an outer shaft section which extends out of the shaft shoulder hole of the shaft sleeve; the spline shaft is provided with an external spline 208, the spline shaft and the shaft sleeve slide to enable the external spline and the internal spline to be spliced and engaged or separated, and the output shaft in the shaft sleeve is sleeved with a second return spring 206 and limited by a shaft shoulder of the shaft sleeve and a shaft shoulder of the spline shaft; the shaft end of the outer shaft section is in splined connection with the output gear to synchronously rotate; the outer end of the spline shaft extends out of the shaft sleeve, and an axial guide hole groove 207 is formed in the end face of the spline shaft; the movable iron core and the output shaft are coaxially arranged, and one tail part of a return spring on the ejector rod extends into the guide hole groove and is tightly propped against the bottom of the guide hole groove through a steel ball; the movable iron core or the second return spring 206 pushes the output shaft to move, so that the external spline of the spline shaft and the internal spline of the shaft sleeve are inserted or separated;
the outer end of the middle shaft 31 of the direct current motor 3 is provided with a tooth shaft 32, and teeth 33 of the tooth shaft are in meshed transmission with the intermediate gear through the transition gear 4.
When the coil of the electromagnetic switch is electrified, the movable iron core slides under the action of magnetic force of a magnetic field, the output shaft is pushed to move through the tail end of the ejector rod until the external spline on the spline shaft slides into the internal spline of the shaft sleeve for meshing transmission; the movable contact piece is sucked with the contact and is tightly pressed by the top spring, the direct current motor is electrified, and the intermediate gear rotates to drive the output gear to rotate.
When the coil of the electromagnetic switch is powered off, the movable iron core loses magnetic force of a magnetic field, the output shaft moves reversely and resets by the second reset spring, the external spline on the spline shaft is separated from the internal spline of the shaft sleeve, and the output shaft is in empty sleeve fit with the shaft sleeve; the movable iron core moves rightwards under the action of a return spring to reset, the movable contact piece is separated from the contact, the direct current motor is powered off, and the output gear stops rotating.
The beneficial effects of the utility model
The utility model discloses cancelled the shift fork, arranged clutch position and electromagnetic switch on coaxial, reduced the complete machine volume, directly promoted the clutch separation and reunion through movable iron core simultaneously, improved complete machine life, the transmission shaft transmission is more stable.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the electromagnetic switch of the present invention in the power-off state,
FIG. 2 is a schematic diagram of the overall structure of the electromagnetic switch of the present invention in the power-on state,
figure 3 is a partially enlarged schematic view of the transmission mechanism of figure 1,
figure 4 is a partially enlarged structural schematic diagram of the transmission mechanism in figure 2,
figure 5 is a schematic view of the structure of the shaft sleeve of the present invention,
figure 6 is a schematic diagram of the structure of the output shaft of the present invention,
figure 7 is a schematic diagram of the structure of the movable iron core of the present invention,
FIG. 8 is a schematic view of the movable iron core and the ejector rod of the present invention,
figure 9 is a front view of the external structure of the utility model,
fig. 10 is a schematic top view of the external structure of the present invention.
Description of the figure numbering:
the electromagnetic switch comprises an electromagnetic switch 1, a movable iron core 11, a movable contact piece 12, a top spring 13, a top rod 14, a first reset spring 15, an electromagnetic switch binding post 16, a coil 17 and a contact 18; the transmission mechanism 2, the clutch 200, the output gear 21, the intermediate gear 201, the shaft sleeve 202, the bearing 203, the output shaft 204, the spline shaft 205, the second return spring 206, the guide hole groove 207, the external spline 208 and the internal spline 209; the direct current motor 3, a middle shaft 31, a tooth shaft 32, teeth 33 and a direct current motor binding post 34; a transition gear 4.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, the vehicle engine starting motor with an internal clutch of the present invention includes an electromagnetic switch 1, a dc motor 3, and a transmission mechanism 2 installed in a casing; the direct current motor comprises a stator, an armature, a carbon brush and a carbon brush holder; the electromagnetic switch comprises a movable iron core, a coil, a movable contact piece, a contact and a top spring;
the structure of the direct current motor 3 is the prior art; the structure and the working principle of the electromagnetic switch 1 are the prior art, and the electromagnetic switch is composed of a movable iron core and a coil arranged on the outer side of the movable iron core, wherein the coil comprises a holding coil and a pull-in coil, and a magnetic field generated by the coil pulls in the movable iron core to move; the circuit connection is not described in detail for the prior art;
referring to fig. 1, 7 and 8, the electromagnetic switch 1 and the dc motor of the present invention are installed in a casing side by side, the movable iron core 11 is provided with the movable contact piece 12 and the top spring 13 at the top thereof in sequence, and the tail thereof is connected with the coaxial ejector rod 14; the ejector rod is sleeved with a first return spring 15, and the ejector rod and the return spring penetrate through shaft holes in the wall of the machine shell one by one;
referring to fig. 1 and 3, the transmission mechanism 2 is arranged in the casing at one side of the tail of the electromagnetic switch, and comprises a one-way built-in clutch 200 and an output gear 21; the one-way built-in clutch comprises an intermediate gear 201, a shaft sleeve 202, a bearing 203 and an output shaft 204; the shaft sleeve is arranged on the shell through two groups of bearings 203 and is coaxially arranged with the movable iron core, the intermediate gear is positioned between the two groups of bearings and is sleeved on the shaft sleeve in a key connection manner to synchronously rotate with the shaft sleeve, and a section of internal spline 209 is arranged on the inner wall of a shaft sleeve hole of the shaft sleeve, as shown in figure 5; the output shaft is a step shaft and comprises a spline shaft 205 which is positioned in the shaft sleeve hole and is in sliding fit with the shaft sleeve hole, and an outer shaft section which extends out of the shaft shoulder hole of the shaft sleeve; the spline shaft is provided with an external spline 208, see fig. 6, and the spline shaft and the shaft sleeve slide through the spline shaft to enable the external spline and the internal spline to be spliced and meshed or separated, see fig. 1 for a separated state of the external spline and the internal spline, and fig. 2 for a meshed state of the external spline and the internal spline; a second reset spring 206 is sleeved on the output shaft in the shaft sleeve and is limited by the shaft shoulder of the shaft sleeve and the shaft shoulder of the spline shaft; the shaft end of the outer shaft section is in splined connection with the output gear 21 for synchronous rotation; the outer end of the spline shaft can extend out of the shaft sleeve, and an axial guide hole groove 207 is formed in the end face of the spline shaft; the movable iron core and the output shaft are coaxially arranged, a first reset spring 15 on the ejector rod and the tail part of the ejector rod extend into the guide hole groove, and the first reset spring is tightly propped against the bottom of the guide hole groove through steel balls; the movable iron core or the second return spring 206 pushes the output shaft to move, so that the external spline of the spline shaft and the internal spline of the shaft sleeve are inserted or separated.
The outer end of the middle shaft 31 of the direct current motor 3 is provided with a tooth shaft 32, and teeth 33 of the tooth shaft are in meshed transmission with the intermediate gear through the transition gear 4.
Referring to fig. 2 and 4, the vehicle engine starting motor with the internal clutch is described, wherein after the coil of the electromagnetic switch 1 is energized, the movable iron core 11 slides to the left under the magnetic force of the magnetic field, the output shaft 204 is pushed to move by the end of the push rod 14, the shaft sleeve is axially immovable until the external spline 208 on the spline shaft slides into the internal spline 209 of the shaft sleeve for meshing transmission; the movable contact piece 12 is attracted with the contact and is pressed tightly by the top spring 13, the direct current motor is electrified, the tooth shaft 32 drives the intermediate gear 201 to rotate through the transition gear 4, and the output gear is driven to rotate through the shaft sleeve.
Referring to fig. 1 and 3, in the vehicle engine starting motor with the internal clutch, when the coil of the electromagnetic switch 1 is powered off, the movable iron core 11 loses magnetic force of a magnetic field, the second return spring 206 makes the output shaft move reversely and return, the external spline on the spline shaft is separated from the internal spline of the shaft sleeve, and the output shaft is in empty fit with the shaft sleeve; the movable iron core moves rightwards to reset under the pushing action of the output shaft and a first reset spring 15, the movable contact piece is separated from the contact, the direct current motor is powered off, and the output gear stops rotating.
The utility model discloses well electromagnetic switch, DC motor's all the other structures and the electric connection structure of not detailing are traditional structure, no longer give unnecessary details.
The utility model discloses the theory of operation:
referring to fig. 2, after the coil of the electromagnetic switch 1 is energized, the movable iron core slides to the left side under the action of magnetic force of a magnetic field to compress the first return spring 15 until the tail end of the ejector rod 14 pushes the output shaft to move to the left, the shaft sleeve does not move axially until the external spline 208 on the spline shaft slides into the internal spline 209 of the shaft sleeve to form key connection matching transmission between the two, and at the moment, the clutch is connected; the moving contact 12 is attracted with the contact and is pressed by the top spring 13, the direct current motor is electrified, the outer end of a central shaft 31 drives a tooth shaft 32 to rotate and is in meshed transmission with the intermediate gear through a transition gear 4, the intermediate gear and a shaft sleeve rotate to drive the output gear 21 to rotate, and the output gear drives an engine flywheel to operate so as to start the engine.
Referring to fig. 1, in the vehicle engine starting motor with the internal clutch, when the coil of the electromagnetic switch 1 is powered off, the movable iron core loses magnetic force of a magnetic field, the return spring II enables the output shaft to move rightwards to return, the output gear 21 retracts synchronously, and the first internal spline on the spline shaft slides out of the first internal spline of the shaft sleeve to form empty fit between the first internal spline and the second internal spline; the movable iron core 11 moves rightwards to reset under the pushing action of the output shaft and a first reset spring 15, the movable contact piece is separated from the contact, the direct current motor is powered off, and the output gear stops rotating.
Claims (3)
1. A vehicle engine starting motor with an internal clutch comprises an electromagnetic switch, a direct current motor and a transmission mechanism which are arranged in a shell; the direct current motor comprises a stator, an armature, a carbon brush and a carbon brush holder; the electromagnetic switch comprises a movable iron core, a coil, a movable contact piece, a contact and a top spring; it is characterized in that the preparation method is characterized in that,
the electromagnetic switch (1) and the direct current motor are arranged in the shell side by side, the top of the movable iron core (11) is sequentially provided with the movable contact spring (12) and the top spring (13), and the tail of the movable iron core is connected with a coaxial ejector rod (14); the ejector rod is sleeved with a first return spring (15), and the ejector rod and the return spring penetrate through shaft holes in the wall of the machine shell one by one;
the transmission mechanism (2) is arranged in the shell at one side of the tail part of the electromagnetic switch and comprises a one-way built-in clutch (200) and an output gear (21); the one-way built-in clutch comprises an intermediate gear (201), a shaft sleeve (202), a bearing (203) and an output shaft (204); the shaft sleeve is arranged on the shell through two groups of bearings and is coaxially arranged with the movable iron core, the intermediate gear is positioned between the two groups of bearings and is sleeved on the shaft sleeve to be in key connection with the shaft sleeve to rotate synchronously, and the inner wall of a shaft sleeve hole of the shaft sleeve is provided with an internal spline (209); the output shaft is a step shaft and comprises a spline shaft (205) which is positioned in the shaft sleeve hole and is in sliding fit with the shaft sleeve hole, and an outer shaft section which extends out of the shaft shoulder hole of the shaft sleeve; an external spline (208) is arranged on the spline shaft, the spline shaft and the shaft sleeve slide to enable the external spline and the internal spline to be spliced and meshed or separated, and a second reset spring (206) is sleeved on the output shaft in the shaft sleeve and is limited by a shaft shoulder of the shaft sleeve and the spline shaft shoulder; the shaft end of the outer shaft section is in splined connection with the output gear to synchronously rotate; the outer end of the spline shaft extends out of the shaft sleeve, and an axial guide hole groove (207) is formed in the end face of the spline shaft; the movable iron core and the output shaft are coaxially arranged, and one tail part of a return spring on the ejector rod extends into the guide hole groove and is tightly propped against the bottom of the guide hole groove through a steel ball; the movable iron core or the second reset spring (206) pushes the output shaft to move, so that the external spline of the spline shaft and the internal spline of the shaft sleeve are inserted or separated;
the outer end of a middle shaft (31) of the direct current motor (3) is provided with a tooth shaft (32), and teeth (33) of the tooth shaft are in meshing transmission with the intermediate gear through a transition gear (4).
2. The vehicle engine starting motor with internal clutch according to claim 1, characterized in that when the coil of the electromagnetic switch is energized, the movable iron core slides under the magnetic force of the magnetic field, and the output shaft is pushed to move by the end of the push rod until the external spline on the spline shaft slides into the internal spline of the shaft sleeve to engage and drive; the movable contact piece is attracted with the contact and is pressed tightly by the top spring, the direct current motor is electrified, and the intermediate gear rotates to drive the output gear to rotate.
3. The vehicle engine starting motor with the internal clutch according to claim 1, wherein when the coil of the electromagnetic switch is de-energized, the movable iron core loses magnetic force of the magnetic field, the second return spring returns the output shaft to move in the opposite direction, the external spline of the spline shaft is separated from the internal spline of the shaft sleeve, and the output shaft is in empty fit with the shaft sleeve; the movable iron core moves rightwards under the action of a return spring to reset, the movable contact piece is separated from the contact, the direct current motor is powered off, and the output gear stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222976939.4U CN218325070U (en) | 2022-11-09 | 2022-11-09 | Vehicle engine starting motor with internal clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222976939.4U CN218325070U (en) | 2022-11-09 | 2022-11-09 | Vehicle engine starting motor with internal clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325070U true CN218325070U (en) | 2023-01-17 |
Family
ID=84828455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222976939.4U Active CN218325070U (en) | 2022-11-09 | 2022-11-09 | Vehicle engine starting motor with internal clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506935A (en) * | 2022-11-09 | 2022-12-23 | 槐博一 | Vehicle engine starting motor with internal clutch |
-
2022
- 2022-11-09 CN CN202222976939.4U patent/CN218325070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506935A (en) * | 2022-11-09 | 2022-12-23 | 槐博一 | Vehicle engine starting motor with internal clutch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102278249B (en) | For the starter of engine | |
| CN218325070U (en) | Vehicle engine starting motor with internal clutch | |
| CN201277131Y (en) | 24V permanent magnet speed reduction starter for vehicle and agricultural vehicle | |
| CN100595432C (en) | Starting apparatus for starting internal combustion engine with unidirectional clutch | |
| JP2006161590A (en) | Starter | |
| US4559455A (en) | Accessory carrying type starting motor | |
| EP0277566B1 (en) | Engine starter | |
| CN218625151U (en) | Vehicle engine starting motor with external clutch | |
| CN115506935A (en) | Vehicle engine starting motor with internal clutch | |
| KR100324179B1 (en) | Starter | |
| CN115823139A (en) | Vehicle engine starting motor with external clutch | |
| US6776273B2 (en) | Starter having braking member for one-way clutch | |
| KR100324177B1 (en) | Starter | |
| US6870278B2 (en) | Starter for internal combustion engines | |
| CN106837650B (en) | Starter and assembling method of driving gear structure therein | |
| CN106194543B (en) | Speed reduction starter with built-in coaxial switch | |
| CN218071243U (en) | Novel electromagnetic switch's permanent magnetism direct current starter | |
| CN209083935U (en) | A kind of novel inertial drive gear | |
| CN101078389B (en) | Double rolling bearing starter | |
| KR200302142Y1 (en) | Magnetic switch of starter for internal combustion engine | |
| CN220890380U (en) | Isolator assembly of starter | |
| CN216672781U (en) | Starter | |
| CN220815871U (en) | Engine easy-starting device | |
| CN211082109U (en) | Electric excitation planetary reduction starter | |
| RU2013140702A (en) | STARTER FOR INTERNAL COMBUSTION ENGINE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |