CN110556961B - Direct current motor and glue lid subassembly thereof - Google Patents
Direct current motor and glue lid subassembly thereof Download PDFInfo
- Publication number
- CN110556961B CN110556961B CN201910718428.2A CN201910718428A CN110556961B CN 110556961 B CN110556961 B CN 110556961B CN 201910718428 A CN201910718428 A CN 201910718428A CN 110556961 B CN110556961 B CN 110556961B
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- pin
- main body
- cover main
- rubber cover
- groove
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- 239000003292 glue Substances 0.000 title claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 40
- 101000669528 Homo sapiens Tachykinin-4 Proteins 0.000 claims abstract description 20
- OKUGPJPKMAEJOE-UHFFFAOYSA-N S-propyl dipropylcarbamothioate Chemical compound CCCSC(=O)N(CCC)CCC OKUGPJPKMAEJOE-UHFFFAOYSA-N 0.000 claims abstract description 20
- 102100039365 Tachykinin-4 Human genes 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 8
- 230000001012 protector Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
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- H02K11/044—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
- H02K11/049—Rectifiers associated with stationary parts, e.g. stator cores
- H02K11/05—Rectifiers associated with casings, enclosures or brackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
- Dc Machiner (AREA)
Abstract
The utility model discloses a direct current motor and a glue cover assembly thereof, comprising an insulating glue cover main body, wherein two carbon brush chambers for placing carbon brushes are arranged on the inner side end surface of the glue cover main body along the radial direction, and the direct current motor further comprises: the two torsion springs are respectively arranged corresponding to the carbon brushes in the two carbon brush chambers and are provided with a first pin and a second pin; the rectifier bridge is connected to the outer wall of the rubber cover main body and is provided with a first alternating current pin, a second alternating current pin, an anode pin and a cathode pin, wherein the anode pin is electrically connected with the first pin of one torsion spring, and the cathode pin is electrically connected with the first pin of the other torsion spring; the PPTC is connected to the outer wall of the rubber cover main body and is provided with an input pin and an output pin, and the output pin is electrically connected with the first alternating current pin. The pin of rectifier bridge is directly connected with the pin of torsional spring, PPTC's pin electricity, simple structure effectively saves manufacturing cost to can prevent the damage that the welding brought the component, guarantee the reliability of performance, greatly improve the efficiency of production.
Description
Technical Field
The utility model relates to a direct current motor and a glue cover assembly thereof, in particular to a direct current motor and a glue cover assembly thereof used on an inflatable bed and an inflatable mattress.
Background
In order to obtain safe and reliable operation characteristics, the existing motor is provided with a rectifier bridge and a PPTC protector, and the traditional connection modes of the electronic components are respectively welded on a circuit board, and then the circuit board is arranged in a rubber cover. For example, patent number 201821238429.4 discloses a connector of a glue cover of a direct current motor and a circuit board, wherein a current protector, a temperature protector, a capacitor element, an inductance element and a rectifier bridge are arranged on the circuit board, a storage box is arranged on the side edge of the glue cover, clamping grooves are symmetrically arranged on two opposite inner side surfaces of the storage box, the whole circuit board is positioned in the storage box, and two side edges of the circuit board are respectively spliced with two clamping grooves.
The combined parts of the glue cover and the circuit board, such as the rectifier bridge and the protector, are fixed on the circuit board in a welding mode, so that the structure is complex, the manufacturing process is complex, a great deal of labor cost is wasted, the welding temperature is high, the components are easy to damage by soldering tin, particularly, the high temperature generated in the welding process can produce an annealing effect on the spring on the glue cover, the deformation capacity of the spring is weakened, the spring is used for driving the carbon brush, the carbon brush cannot be in good contact with the rotor, and sparks become large and even burn out during operation. In addition, the side of the rubber cover is provided with the storage box, so that the occupied space is large.
In summary, the bonding piece of the glue cover and the circuit board of the existing motor has the disadvantages of complex structure, complex production process, high production cost and poor reliability.
Disclosure of Invention
The utility model provides a direct current motor and a rubber cover assembly thereof, which overcome the defects in the prior art. The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a DC motor's gluey lid subassembly, includes insulating gluey lid main part, and the central axial of this gluey lid main part sets up the through-hole, and this gluey lid main part inboard terminal surface radially is equipped with two carbon brush rooms that are used for placing the carbon brush, and two carbon brush rooms use this through-hole to set up as central symmetry, still include: the two torsion springs are arranged on the inner side end face of the rubber cover main body and are respectively corresponding to the carbon brushes in the two carbon brush chambers, each torsion spring is provided with a first pin and a second pin, and the second pin can push the carbon brush to move towards the center of the through hole; the rectifier bridge is connected to the outer wall of the rubber cover main body and is provided with a first alternating current pin, a second alternating current pin, a positive electrode pin and a negative electrode pin, wherein the positive electrode pin, the negative electrode pin and the first alternating current pin penetrate out of the inner side end face of the rubber cover main body, the positive electrode pin is electrically connected with the first pin of one torsion spring, and the negative electrode pin is electrically connected with the first pin of the other torsion spring; the PPTC is connected to the outer wall of the rubber cover main body and is provided with an input pin and an output pin, and the output pin penetrates out of the inner side end face of the rubber cover main body and is electrically connected with the first alternating current pin.
In a preferred embodiment: the inner side end face of the rubber cover main body is provided with three connecting seats, the connecting seats are provided with wire grooves, the first alternating current pins and the output pins extend into the wire grooves of the first connecting seats, the first pins of the positive pole pins and one torsion spring extend into the wire grooves of the second connecting seats, and the first pins of the negative pole pins and the other torsion spring extend into the wire grooves of the third connecting seats.
In a preferred embodiment: the connecting seat is provided with a slot, an insert is arranged in the slot, and the insert presses two pins in the wire slot.
In a preferred embodiment: the slot is perpendicular to the slot, the lower parts of the two side surfaces of the plug-in unit are guide inclined planes, the plug-in unit is tightly matched with the slot, a clamping groove is arranged in the middle of the bottom surface of the plug-in unit, the clamping groove is trapezoid, the width of the lower part is larger than that of the upper part, and the clamping groove clamps the pins.
In a preferred embodiment: an embedded groove is arranged on the outer side end surface of the rubber cover main body, and the rectifier bridge is spliced with the embedded groove; the outer side end face of the rubber cover main body is uniformly distributed with positioning columns around the embedded groove, and the rectifier bridge is clamped between the positioning columns.
In a preferred embodiment: the outer side end face of the rubber cover main body is provided with a wire passing groove and further comprises a fixed terminal inserted in the wire passing groove, and the second alternating current pin is arranged in the wire passing groove and is electrically connected with the fixed terminal.
In a preferred embodiment: the edge position of the outer side end face of the rubber cover main body is provided with a positioning boss, two sides of the positioning boss are respectively provided with a clamping block, the PPTC is clamped between the two clamping blocks, and the PPTC is positioned on the side face of the rubber cover main body.
In a preferred embodiment: the glue cover main body is provided with a lead groove corresponding to the output pin and the input pin of the PPTC respectively, the lead groove extends to the top surface of the glue cover main body from the end surface of the positioning boss, the output pin and the input pin are respectively wired in two lead grooves, a fixed terminal is arranged in the lead groove where the input pin is located, and the input pin is electrically connected with the fixed terminal.
In a preferred embodiment: the inner side end surface of the rubber cover main body is provided with a mounting column corresponding to the torsion spring, and the torsion spring is sleeved on the mounting column; the inner side end surface of the rubber cover main body is provided with a sinking groove around the through hole, and the rubber cover main body further comprises a bearing arranged in the sinking groove and a pressing ring for pressing the bearing, wherein gaps are uniformly arranged at intervals on the inner edge of the pressing ring, and pressing claws are formed between the gaps.
The direct current motor comprises a stator and a rotor, wherein the stator comprises a shell and a magnetic shoe, the end face of one side of the shell is open, the magnetic shoe is arranged in the shell, the rotor comprises a rotating shaft, a coil and a commutator, the coil and the commutator are arranged on the rotating shaft, the rotor is rotatably arranged in the shell, one end of the rotating shaft extends out of the end face of the other side of the shell, the direct current motor further comprises a rubber cover assembly, and the rubber cover main body covers the open end face of the shell and supports the other end of the rotating shaft; the rubber cover assembly comprises an insulating rubber cover main body, wherein a through hole is axially formed in the center of the rubber cover main body, two carbon brush chambers for placing carbon brushes are radially formed in the inner side end surface of the rubber cover main body, the two carbon brush chambers are symmetrically arranged by taking the through hole as a center, the rubber cover main body further comprises two torsion springs which are respectively arranged corresponding to the carbon brushes in the two carbon brush chambers, the torsion springs are arranged on the inner side end surface of the rubber cover main body, the torsion springs are provided with a first pin and a second pin, and the second pin can push the carbon brushes to move towards the center of the through hole; the plastic cover main body further comprises a rectifier bridge connected to the outer wall of the plastic cover main body, wherein the rectifier bridge is provided with a first alternating current pin, a second alternating current pin, an anode pin and a cathode pin, the anode pin, the cathode pin and the first alternating current pin penetrate out of the inner side end face of the plastic cover main body, the anode pin is electrically connected with the first pin of one torsion spring, and the cathode pin is electrically connected with the first pin of the other torsion spring; the rubber cover main body further comprises a PPTC connected to the outer wall of the rubber cover main body, wherein the PPTC is provided with an input pin and an output pin, and the output pin penetrates out of the inner side end surface of the rubber cover main body and is electrically connected with the first alternating current pin; the carbon brush is in sliding contact with the commutator.
Compared with the background technology, the technical proposal has the following advantages:
the output pin of the PPTC is directly electrically connected with the first alternating current pin of the rectifier bridge at the inner side of the glue cover main body, the positive electrode pin of the rectifier bridge is electrically connected with the first pin of a torsion spring at the inner side of the glue cover main body, the negative electrode pin of the rectifier bridge is electrically connected with the first pin of another torsion spring at the inner side of the glue cover main body, the rectifier bridge converts external alternating current and then outputs direct current, and the positive electrode pin, the torsion spring, the carbon brush, the rotor, the other carbon brush, the other torsion spring and the negative electrode pin sequentially form a closed loop. The pin of rectifier bridge is directly connected with the pin of torsional spring, PPTC's pin electricity, and the structure is very simple, can omit the circuit board, effectively saves manufacturing cost to can prevent the damage that the welding brought the component, guarantee the reliability of performance, greatly improved the efficiency of production. In addition, rectifier bridge and PPTC are connected at this gluey lid main part outer wall, can simplify the inner structure of motor, effectively reduce the volume of motor, be applied to more suitable for on the inflatable product.
2. The terminal surface sets up the connecting seat in this gluey lid main part inboard, needs the pin that the electricity is connected together to realize connecting in the wire casing of connecting seat, and conductive connection is more reliable and stable. Particularly, when the plug-in components are set up on the connecting seat, push down two pins in the wire casing by the plug-in components, just can guarantee two pins stable electric connection, the structure is very simple, has greatly simplified assembly process.
3. The lower parts of the two side surfaces of the plug-in are guide inclined planes which are beneficial to being inserted into the slot. The card slot with wide bottom and narrow top is arranged on the plug-in unit, so that the two pins can be pressed better.
4. The embedded groove and the positioning columns are arranged on the outer side end face of the rubber cover main body, the rectifier bridge is arranged in the embedded groove and clamped between the positioning columns, and the rectifier bridge is convenient to install.
5. The edge position of the outer side end face of the rubber cover main body is provided with a positioning boss, two sides of the positioning boss are respectively provided with a clamping block, the PPTC is clamped between the two clamping blocks, and the installation of the PPTC is simple and convenient.
6. Gaps are uniformly formed in the inner edge of the pressing ring at intervals, and pressing claws are formed between the gaps, so that the elasticity of the pressing claws is increased, and the bearing can be better pressed on the premise of ensuring the torsion moment of the bearing.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is an exploded perspective view of a dc motor according to the present utility model.
Fig. 2 is a schematic perspective view of the dc motor shown in fig. 1.
Fig. 3 is a schematic cross-sectional view of the dc motor shown in fig. 1.
Fig. 4 is a schematic perspective view of a stator of the dc motor shown in fig. 1.
Fig. 5 is a schematic perspective view of a glue cover assembly of the dc motor shown in fig. 1.
Fig. 6 is a top view of the glue lid assembly of fig. 5.
Fig. 7 illustrates a bottom view of the glue cap assembly of fig. 5.
Fig. 8 is an exploded view of the glue cap assembly of fig. 5.
Fig. 9 is a further exploded view of the glue cap assembly of fig. 5.
Fig. 10 is a schematic view of a main body of the cap assembly of fig. 5.
Detailed Description
Referring to fig. 1 to 4, a dc motor includes a stator 10, a rotor 20 and a cover assembly 30. The stator 10 includes a housing 11 and a magnetic shoe 12, an end face of one side of the housing 11 is opened, and the magnetic shoe 12 is disposed in the housing 11. The rotor 20 includes a rotating shaft 21, a coil 22 provided on the rotating shaft, and a commutator 23. The rotor 20 is rotatably disposed in the housing 11, the magnetic shoe 12 is just surrounded on the outer side of the coil 22, one end of the rotating shaft 21 is extended from the end surface on the other side of the housing 11, and the plastic cover assembly 30 covers the open end surface of the housing 11 and supports the other end of the rotating shaft 21. The commutator 23 just corresponds to the inner cavity of the rubber cover assembly 30, and the carbon brush is arranged on the rubber cover assembly 30 and is in sliding contact with the commutator 23. The principle of the operation circuit of the motor is known in the prior art and is not described in detail.
Referring to fig. 5 to 10, the rubber cap assembly 30 includes an insulating rubber cap main body 31, a through hole 311 is axially disposed in the center of the rubber cap main body, two carbon brush chambers for placing carbon brushes are radially disposed on the inner side end surface of the rubber cap main body, and the two carbon brush chambers are symmetrically disposed with the through hole as a center.
The rubber cover assembly 30 further includes two torsion springs 32 disposed corresponding to the carbon brushes in the two carbon brush chambers 312, and the elastic force generated by the torsion springs 32 pushes the carbon brushes from the rear side to make the carbon brushes closely contact with the commutator 23. The torsion spring 32 is disposed on the inner side surface of the main body 31, the torsion spring 32 has a first pin 321 and a second pin 322, and the second pin 322 extends into the carbon brush chamber 312 and pushes the carbon brush to move toward the center of the through hole 311.
The cap assembly 30 further includes a rectifier bridge 33 connected to the outer wall of the cap body 31, and having a first ac pin 331, a second ac pin 332, a positive pin 333, and a negative pin 334. The positive electrode pin 333, the negative electrode pin 334 and the first ac pin 331 penetrate out of the inner side surface of the main body 31 of the plastic cover, i.e. extend into the inner cavity of the main body of the plastic cover, the positive electrode pin 333 is electrically connected with the first pin 321 of one torsion spring 32, and the negative electrode pin 334 is electrically connected with the first pin 321 of the other torsion spring 32. In this way, the direct current output by the rectifier bridge 33 forms a closed loop from the positive electrode pin 333, a torsion spring 32, a carbon brush, the rotor 20, another carbon brush, another torsion spring 32 to the negative electrode pin 334, and of course, an inductor and a capacitor may be further disposed on the loop as required.
The cap assembly 30 further includes a PPTC34 connected to the outer wall of the cap body, and having an input pin 341 and an output pin 342, wherein the output pin 342 passes through the inner end surface of the cap body 31 and is electrically connected to the first ac pin 333. In use, the input pin 341 is connected to the L line of the ac power source and the second ac pin 332 of the rectifier bridge 33 is connected to the N line of the ac power source.
The rectifier bridge and the PPTC of the rubber cover assembly 30 are directly arranged on the rubber cover main body 31, and a loop is formed by means of the two torsion springs 32, so that a circuit board is omitted, the structure is simple, the production process is simple, and the production cost is effectively saved.
Preferably, the inner side end surface of the main body 31 of the plastic cover is provided with three connecting seats 313, and the connecting seats are provided with wire slots 3132. The first ac pin 331 and the output pin 342 extend into the slot of the first connecting seat, the positive pin 333 and the first pin 321 of a torsion spring extend into the slot of the second connecting seat, and the negative pin 334 and the first pin 321 of another torsion spring extend into the slot of the third connecting seat. That is, the two pins to be electrically connected are connected in the slot 3132 of the connection base 313, so that the connection base can protect the connection point of the two pins, and the connection is more reliable. In particular, the connecting seat 313 is provided with a slot 3134, and an insert 314 is disposed in the slot, and the insert 314 directly presses two pins in the slot, so as to effectively prevent the two pins from loosening. Further preferably, the slot 3134 is perpendicular to the slot 3132, and the lower parts of both sides of the insert 314 are guide inclined planes, and the insert 314 is tightly fitted with the slot 3134. The middle part of the bottom surface of the plug-in 314 is provided with a clamping groove which is trapezoid, the width of the lower part is larger than that of the upper part, and the clamping groove clamps the two pins.
Preferably, an embedded groove 315 is provided on the outer end surface of the main body 31 of the plastic cover, and the rectifier bridge 33 is inserted into the embedded groove 315. Further, four positioning columns 316 are uniformly distributed on the periphery of the embedded groove on the outer side end surface of the rubber cover main body, and the rectifier bridge 33 is clamped between the positioning columns 316. The outer end surface of the main body 31 is provided with a wire passing groove 317, and further comprises a fixed terminal 35 inserted in the wire passing groove, and the second ac pin 332 is disposed in the wire passing groove 317 and electrically connected with the fixed terminal 35. The fixed terminal 35 is in interference fit with the wire passing groove 317.
Preferably, a positioning boss 318 is provided at an edge of the outer side surface of the main body 31, two sides of the positioning boss 318 are respectively provided with a clamping block 3182, the PPTC34 is clamped between the two clamping blocks 3182, and the PPTC is located on the side surface of the main body 31. The glue cover main body 31 is provided with a lead groove 319 corresponding to the output pin and the input pin of the PPTC, the lead groove 319 extends from the end face of the positioning boss to the top face of the glue cover main body, and the lead groove 319 is a semicircular groove at the end face of the positioning boss. The output pins 342 and the input pins 341 are routed within the two lead slots 319, respectively. A fixed terminal 35 is also provided in the lead groove 319 in which the input pin 341 is located, and the input pin 341 is electrically connected to the fixed terminal 35, and similarly, the fixed terminal 35 is inserted into the lead groove 319 with interference.
Preferably, the inner side end surface of the rubber cover main body 31 is provided with a mounting column corresponding to the torsion spring 32, and the torsion spring is sleeved on the mounting column. The inner side end surface of the rubber cover main body is provided with a sinking groove around the through hole, and the rubber cover main body further comprises a bearing 36 arranged in the sinking groove and a pressing ring 37 for pressing the bearing, and the end part of the rotating shaft 21 is pivoted with the bearing 36. Notches are uniformly arranged at intervals on the inner edge of the pressing ring 37, pressing claws 371 are formed between the notches, and the pressing claws 371 clamp the bearing 36.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and therefore should not be taken as limiting the scope of the utility model, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (3)
1. The utility model provides a DC motor's gluey lid subassembly, includes insulating gluey lid main part, and the central axial of this gluey lid main part sets up the through-hole, its characterized in that: the inside terminal surface of this gluey lid main part is equipped with two carbon brush rooms that are used for placing the carbon brush along radial, and two carbon brush rooms use this through-hole as central symmetry setting, still include:
the two torsion springs are arranged on the inner side end face of the rubber cover main body and are respectively corresponding to the carbon brushes in the two carbon brush chambers, each torsion spring is provided with a first pin and a second pin, and the second pin can push the carbon brush to move towards the center of the through hole;
the rectifier bridge is connected to the outer wall of the rubber cover main body and is provided with a first alternating current pin, a second alternating current pin, a positive electrode pin and a negative electrode pin, wherein the positive electrode pin, the negative electrode pin and the first alternating current pin penetrate out of the inner side end face of the rubber cover main body, the positive electrode pin is electrically connected with the first pin of one torsion spring, and the negative electrode pin is electrically connected with the first pin of the other torsion spring;
the PPTC is connected to the outer wall of the rubber cover main body and is provided with an input pin and an output pin, the output pin penetrates out of the inner side end surface of the rubber cover main body and is electrically connected with the first alternating current pin,
the inner side end face of the rubber cover main body is provided with three connecting seats, the connecting seats are provided with wire grooves, the first alternating current pin and the output pin extend into the wire groove of the first connecting seat, the first pin of the positive electrode pin and the first pin of the torsion spring extend into the wire groove of the second connecting seat, the first pin of the negative electrode pin and the first pin of the other torsion spring extend into the wire groove of the third connecting seat,
the connecting seat is provided with a slot, an insert is arranged in the slot, the insert presses two pins in the wire slot,
the slot is vertical to the wire slot, the lower parts of the two side surfaces of the plug-in unit are guiding inclined planes, the plug-in unit is tightly matched with the slot, the middle part of the bottom surface of the plug-in unit is provided with a clamping groove which is trapezoid, the width of the lower part is larger than that of the upper part, the clamping groove clamps the pin,
an embedded groove is arranged on the outer side end surface of the rubber cover main body, and the rectifier bridge is spliced with the embedded groove; positioning columns are uniformly distributed on the periphery of the embedded groove on the outer side end surface of the rubber cover main body, the rectifier bridge is clamped between the positioning columns,
the outer side end surface of the rubber cover main body is provided with a wire passing groove and also comprises a fixed terminal inserted in the wire passing groove, the second alternating current pin is arranged in the wire passing groove and is electrically connected with the fixed terminal,
the edge of the outer side end surface of the rubber cover main body is provided with a positioning boss, two sides of the positioning boss are respectively provided with a clamping block, the PPTC is clamped between the two clamping blocks and is positioned on the side surface of the rubber cover main body,
the glue cover main body is provided with a lead groove corresponding to the output pin and the input pin of the PPTC respectively, the lead groove extends from the end face of the positioning boss to the top face of the glue cover main body, the output pin and the input pin are respectively wired in the two lead grooves, a fixed terminal is arranged in the lead groove where the input pin is located, and the input pin is electrically connected with the fixed terminal.
2. The glue lid assembly of claim 1, wherein: the inner side end surface of the rubber cover main body is provided with a mounting column corresponding to the torsion spring, and the torsion spring is sleeved on the mounting column; the inner side end surface of the rubber cover main body is provided with a sinking groove around the through hole, and the rubber cover main body further comprises a bearing arranged in the sinking groove and a pressing ring for pressing the bearing, wherein gaps are uniformly arranged at intervals on the inner edge of the pressing ring, and pressing claws are formed between the gaps.
3. The utility model provides a direct current motor, includes stator and rotor, and this stator includes casing and magnetic shoe, and the terminal surface of this casing one side is opened, and this magnetic shoe sets up in this casing, and this rotor includes the pivot, sets up in this pivot epaxial coil and commutator, and this rotor rotationally sets up in this casing, and this pivot one end stretches out its characterized in that from the terminal surface of this casing opposite side: the rubber cap assembly according to any one of claims 1 to 2, wherein the rubber cap body covers the open end face of the housing and supports the other end of the rotating shaft, and the carbon brush is in sliding contact with the commutator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718428.2A CN110556961B (en) | 2019-08-05 | 2019-08-05 | Direct current motor and glue lid subassembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718428.2A CN110556961B (en) | 2019-08-05 | 2019-08-05 | Direct current motor and glue lid subassembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110556961A CN110556961A (en) | 2019-12-10 |
| CN110556961B true CN110556961B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910718428.2A Active CN110556961B (en) | 2019-08-05 | 2019-08-05 | Direct current motor and glue lid subassembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110556961B (en) |
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| CN210157008U (en) * | 2019-08-05 | 2020-03-17 | 厦门欣众达科技有限公司 | Direct current motor and rubber cover assembly thereof |
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2019
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|---|---|---|---|---|
| CN203027093U (en) * | 2012-12-29 | 2013-06-26 | 林楚辉 | Direct-current permanent magnet motor with electromagnetic interference resistance component |
| CN106451883A (en) * | 2016-11-30 | 2017-02-22 | 浙江雅虎汽车部件有限公司 | Automobile waist support motor |
| CN206471956U (en) * | 2017-02-28 | 2017-09-05 | 广东煜达电器科技有限公司 | The back end cover for motor of booster pump |
| CN206977291U (en) * | 2017-07-05 | 2018-02-06 | 厦门欣众达科技有限公司 | A kind of brushed DC motor of band PPTC protectors |
| CN207926318U (en) * | 2018-03-22 | 2018-09-28 | 东莞市力辉马达有限公司 | A kind of direct current generator Jiao Gai |
| CN208874433U (en) * | 2018-08-02 | 2019-05-17 | 厦门欣众达科技有限公司 | A kind of engaging member of direct current generator Jiao Gai and circuit board |
| CN210157008U (en) * | 2019-08-05 | 2020-03-17 | 厦门欣众达科技有限公司 | Direct current motor and rubber cover assembly thereof |
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| CN110556961A (en) | 2019-12-10 |
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