CN110556961A - Direct current motor and rubber cover assembly thereof - Google Patents
Direct current motor and rubber cover assembly thereof Download PDFInfo
- Publication number
- CN110556961A CN110556961A CN201910718428.2A CN201910718428A CN110556961A CN 110556961 A CN110556961 A CN 110556961A CN 201910718428 A CN201910718428 A CN 201910718428A CN 110556961 A CN110556961 A CN 110556961A
- Authority
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- Prior art keywords
- pin
- main body
- rubber cover
- cover main
- groove
- Prior art date
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- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 37
- 101000669528 Homo sapiens Tachykinin-4 Proteins 0.000 claims abstract 6
- OKUGPJPKMAEJOE-UHFFFAOYSA-N S-propyl dipropylcarbamothioate Chemical compound CCCSC(=O)N(CCC)CCC OKUGPJPKMAEJOE-UHFFFAOYSA-N 0.000 claims abstract 6
- 102100039365 Tachykinin-4 Human genes 0.000 claims abstract 6
- 239000003292 glue Substances 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 13
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 5
- 230000001012 protector Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 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
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects 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 invention discloses a DC motor and a rubber cover component thereof, comprising an insulated rubber cover main body, wherein two carbon brush chambers for placing carbon brushes are arranged on the end surface of the inner side of the rubber cover main body along the radial direction, and the DC motor also 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, a positive electrode pin and a negative electrode pin, 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 is electrically connected with the first alternating current pin. The pins of the rectifier bridge are directly electrically connected with the pins of the torsion spring and the pins of the PPTC, so that the structure is simple, the manufacturing cost is effectively saved, the element can be prevented from being damaged by welding, the reliability of performance is ensured, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to a direct current motor and a rubber cover assembly thereof, in particular to a direct current motor and a rubber cover assembly thereof, which are used on an inflatable bed and an inflatable mattress.
Background
In order to obtain safe and reliable operation characteristics, the conventional motor is provided with a rectifier bridge and a PPTC protector, and the conventional connection modes of the electronic elements are respectively welded on a circuit board which is then arranged in a rubber cover. For example, patent No. 201821238429.4's utility model patent has just disclosed the conjunction of a direct current motor rubber cover and circuit board, is equipped with current protector, temperature protector, capacitive element, inductance element and rectifier bridge on the circuit board, sets up the receiver at the side of rubber cover, and the symmetry is equipped with the draw-in groove on two relative medial surfaces of this receiver, and this circuit board wholly is located in the middle of this receiver, the both sides limit of this circuit board respectively with two the draw-in groove is pegged graft.
The combined part of the rubber cover and the circuit board is fixed on the circuit board like electronic devices such as a rectifier bridge and a protector in a welding mode, and is multiple in connecting circuits, complex in structure, complex in manufacturing process, high in welding temperature, easy to damage components and parts by soldering tin, and capable of generating an annealing effect on a spring on the rubber cover due to high temperature generated in the welding process to weaken the deformation capacity of the spring, the spring is used for driving a carbon brush, the carbon brush cannot be in good contact with a rotor, and sparks are enlarged or even burnt out during operation. In addition, set up the receiver in the side on the rubber cover, occupation space is big.
In conclusion, the combination of the rubber 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 invention provides a direct current motor and a rubber cover assembly thereof, which overcome the defects in the prior art. The technical scheme adopted by the invention for solving the technical problems is as follows:
The utility model provides a direct current motor's jiao gai subassembly, includes insulating jiao gai main part, and the central axial of this jiao gai main part sets up the through-hole, and this jiao gai main part medial 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 as central symmetry setting, still include: the torsional springs are arranged on the inner side end faces of the rubber cover main body and provided with first pins and second pins, and the second pins can push the carbon brushes 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, 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 a first pin of one torsion spring, and the negative electrode pin is electrically connected with a 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 through the end face of the inner side 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 pin and the output pin extend into the wire groove of a first connecting seat, the positive electrode pin and the first pin of one torsion spring extend into the wire groove of a second connecting seat, and the negative electrode pin and the first pin of the other torsion spring extend into the wire groove of a third connecting seat.
In a preferred embodiment: the connecting seat is provided with a slot, a plug-in is arranged in the slot, and the plug-in presses two pins in the wire groove.
In a preferred embodiment: the slot is perpendicular to the wire slot, the lower portions of the two side faces of the plug-in are guiding inclined planes, the plug-in is tightly matched with the slot, a clamping groove is arranged in the middle of the bottom face of the plug-in, the clamping groove is trapezoidal, the width of the lower portion of the clamping groove is larger than that of the upper portion of the clamping groove, and the pins are clamped by the clamping groove.
in a preferred embodiment: an embedded groove is arranged on the outer side end face of the rubber cover main body, and the rectifier bridge is inserted into the embedded groove; the outer side end face of the rubber cover main body is uniformly provided 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 electrically connected with the fixed terminal.
In a preferred embodiment: the edge position of the outer 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 fixture block, the PPTC is clamped between the two fixture 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 lead wire grooves corresponding to the output pin and the input pin of the PPTC respectively, the lead wire grooves extend 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 internally wired in the two lead wire grooves, the lead wire groove where the input pin is located is internally provided with a fixed terminal, and the input pin is electrically connected with the fixed terminal.
In a preferred embodiment: the end surface of the inner side of the rubber cover main body is provided with an installation column corresponding to the torsion spring, and the torsion spring is sleeved on the installation column; the inner side end face of the rubber cover main body is provided with a sinking groove around the through hole, the rubber cover main body further comprises a bearing arranged in the sinking groove and a pressing ring for pressing the bearing, notches are uniformly arranged on the inner edge of the pressing ring at intervals, and pressing claws are formed between the notches.
A kind of direct current machine, including stator and trochanter, the stator includes body and magnetic shoe, the terminal surface of one side of the body opens, the magnetic shoe is set up in the body, the trochanter includes the spindle, coil and commutator set up on the spindle, the trochanter is set up in the body rotatably, one end of the spindle stretches out from the terminal surface of the other side of the body, also include the rubber cover assembly, the said rubber cover body covers the open terminal surface of the body and supports the other end of the spindle; the rubber cover assembly comprises an insulating rubber cover main body, 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 arranged on the end face of the inner side of the rubber cover main body, the two carbon brush chambers are symmetrically arranged by taking the through hole as the center, the rubber cover main body further comprises two torsion springs respectively corresponding to the carbon brushes in the two carbon brush chambers, the torsion springs are arranged on the end face of the inner side of the rubber cover main body, each torsion spring is provided with a first pin and a second pin, and the second pins can push the carbon brushes to move towards the center of the through hole; the rubber cover main body also comprises a rectifier bridge connected to the outer wall of the rubber cover main body, and the rectifier bridge 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 rubber cover main body also comprises a PPTC (polymeric positive temperature coefficient) 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 through the end surface of the inner side 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 scheme has the following advantages:
The output pin of the PPTC is directly and electrically connected with a first alternating current pin of a rectifier bridge on the inner side of a rubber cover main body, similarly, a positive electrode pin of the rectifier bridge is electrically connected with a first pin of a torsion spring on the inner side of the rubber cover main body, a negative electrode pin of the rectifier bridge is electrically connected with a first pin of another torsion spring on the inner side of the rubber cover main body, the rectifier bridge converts external alternating current and outputs direct current, and the positive electrode pin, the torsion spring, a carbon brush, a rotor, another carbon brush, another torsion spring and the negative electrode pin form a closed loop in sequence. The pins of the rectifier bridge are directly electrically connected with the pins of the torsion spring and the pins of the PPTC, the structure is very simple, a circuit board can be omitted, the manufacturing cost is effectively saved, the elements can be prevented from being damaged by welding, the reliability of performance is guaranteed, and the production efficiency is greatly improved. In addition, the rectifier bridge and the PPTC are connected to the outer wall of the rubber cover main body, so that the internal structure of the motor can be simplified, the size of the motor is effectively reduced, and the rubber cover is more suitable for being applied to inflatable products.
2. The connecting seat is arranged on the end face of the inner side of the rubber cover main body, pins which need to be electrically connected together are connected in the wire grooves of the connecting seat, and the conductive connection is more stable and reliable. Particularly, when the plug-in is arranged on the connecting seat, the plug-in presses two pins in the wire groove, so that the two pins can be stably and electrically connected, the structure is very simple, and the assembly process is greatly simplified.
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 the wide lower part and the narrow upper part is arranged on the plug-in, so that the two pins can be better pressed.
4. The embedded groove and the positioning columns are arranged on the end face of the outer side 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 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 fixture block, the PPTC is clamped between the two fixture blocks, and the installation of the PPTC is simple and convenient.
6. The uniform interval of edge sets up the breach in the clamping ring, forms between the breach and presses the claw, presses the elasticity of claw like this to increase, can push down the bearing better under the prerequisite of the torsional moment of guaranteeing the bearing.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic exploded view of a dc motor according to the present invention.
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 perspective view illustrating a stator of the dc motor shown in fig. 1.
Fig. 5 is a perspective view illustrating a rubber 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 lid assembly of fig. 5.
Fig. 8 is an exploded view of the glue lid assembly of fig. 5.
FIG. 9 is a further exploded view of the glue lid assembly of FIG. 5.
Fig. 10 is a schematic view of the glue cap body of the glue cap assembly shown in 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 surface 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 rotation shaft 21, a coil 22 provided on the rotation shaft, and a commutator 23. The rotor 20 is rotatably disposed in the housing 11, the magnetic shoe 12 is just surrounded outside the coil 22, one end of the shaft 12 is protruded from the end surface of the other side of the housing 11, and the cover assembly 30 covers the open end surface of the housing 11 and supports the other end of the 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 operating circuit principle of the motor is prior knowledge and is not described in detail.
Referring to fig. 5 to 10, the rubber cover assembly 30 includes an insulating rubber cover main body 31, a through hole 311 is axially formed in a center of the rubber cover main body, two carbon brush chambers for placing carbon brushes are radially formed on an inner side surface of the rubber cover main body, and the two carbon brush chambers are symmetrically arranged around the through hole.
The rubber cover assembly 30 further includes two torsion springs 32 respectively 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 end surface of the rubber cover 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 rubber cover assembly 30 further includes a rectifying bridge 33 connected to the outer wall of the rubber cover main 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 pin 333, the negative pin 334 and the first ac pin 333 extend out of the inner end surface of the rubber cap body 31, i.e. into the inner cavity of the rubber cap body, the positive pin 333 is electrically connected to the first pin 321 of one torsion spring 32, and the negative pin 334 is electrically connected to the first pin 321 of another torsion spring 32. In this way, the dc output from the rectifier bridge 33 forms a closed loop from the positive pin 33, the torsion spring 32, the carbon brush, the rotor 20, the other carbon brush, the other torsion spring 32 to the negative pin 334, and of course, an inductor and a capacitor may be disposed on the loop as required.
The glue cap assembly 30 further includes a PPTC34 attached to the outer wall of the glue cap body and having an input pin 341 and an output pin 342, the output pin 342 extending through the inner end surface of the glue cap body 31 and electrically connected to the first ac pin 333. In use, the input pin 341 is connected to the L line of the ac power supply, and the second ac pin 332 of the rectifier bridge 33 is connected to the N line of the ac power supply.
the rectifier bridge and the PPTC of the rubber cover assembly 30 are directly arranged on the rubber cover main body 31, and form a loop 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 end surface of the rubber cap body 31 is provided with three connecting seats 313, on which a wire groove 3132 is provided. The first ac pin 331 and the output pin 342 extend into the slot of the first connector, the positive pin 333 and the first pin 321 of a torsion spring extend into the slot of the second connector, and the negative pin 334 and the first pin 321 of another torsion spring extend into the slot of the third connector. That is, two pins to be electrically connected are connected in the wire groove 3132 of the connector holder 313, so that the connector holder protects the connection point of the two pins and the connection is more reliable. Particularly, the connecting seat 313 is provided with a slot 3134, the slot is internally provided with a plug-in 314, and the plug-in 314 directly presses two pins in the wire groove, so that the two pins can be effectively prevented from being loosened. Further preferably, the slot 3134 is perpendicular to the slot 3132, the lower portions of the two sides of the plug 314 are guiding slopes, and the plug 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 trapezoidal and the width of the lower part is larger than that of the upper part, and the two pins are clamped by the clamping groove.
Preferably, an insertion groove 315 is formed on the outer end surface of the rubber cover main body 31, and the rectifier bridge 33 is inserted into the insertion groove 315. Furthermore, four positioning columns 316 are uniformly distributed on the outer end face of the rubber cover main body around the embedded groove, and the rectifier bridge 33 is clamped between the positioning columns 316. The outer end face of the rubber cover main body 31 is provided with a wire passing groove 317, and further comprises a fixed terminal 35 inserted into the wire passing groove, and the second ac pin 332 is disposed in the wire passing groove 317 and electrically connected to the fixed terminal 35. The fixed terminal 35 is inserted into the wire passing groove 317 in an interference manner.
Preferably, a positioning boss 318 is disposed at an edge position of an outer end surface of the rubber cap body 31, two sides of the positioning boss 318 are respectively provided with a latch 3182, the PPTC34 is clamped between the two latches 3182, and the PPTC is located at a side surface of the rubber cap body 31. The rubber cover main body 31 is provided with lead grooves 319 corresponding to the output pins and the input pins of the PPTC, the lead grooves 319 extend from the end surfaces of the positioning bosses to the top surface of the rubber cover main body, and the end surface portions of the lead grooves 319 on the positioning bosses are semicircular grooves. The output pin 341 and the input pin 342 are routed within the two lead slots 319, respectively. The lead groove 319 where the input pin 341 is located is also provided with a fixed terminal 35, the input pin 341 is electrically connected with the fixed terminal 35, and similarly, the fixed terminal 35 is inserted into the lead groove 319 in an interference manner.
Preferably, the inner end of the rubber cover main body 31 is provided with a mounting post corresponding to the torsion spring 32, and the torsion spring is sleeved on the mounting post. The inner end surface of the rubber cover main body is provided with a sinking groove around the through hole, and also comprises a bearing 36 arranged in the sinking groove and a pressing ring 37 pressing the bearing, and the end part of the rotating shaft 21 of the rotor 20 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 above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a direct current motor's gluey lid subassembly, covers the main part including insulating gluey, and the central axial of this gluey lid main part sets up through-hole, its characterized in that: this rubber cover main part medial extremity 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 as centrosymmetric setting, still include:
The torsional springs are arranged on the inner side end faces of the rubber cover main body and provided with first pins and second pins, and the second pins can push the carbon brushes 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, 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 a first pin of one torsion spring, and the negative electrode pin is electrically connected with a 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 through the end face of the inner side of the rubber cover main body and is electrically connected with the first alternating current pin.
2. The glue lid assembly of claim 1, wherein: 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 a first connecting seat, the positive electrode pin and the first pin of one torsion spring extend into the wire groove of a second connecting seat, and the negative electrode pin and the first pin of the other torsion spring extend into the wire groove of a third connecting seat.
3. The glue lid assembly of claim 2, wherein: the connecting seat is provided with a slot, a plug-in is arranged in the slot, and the plug-in presses two pins in the wire groove.
4. The glue lid assembly of claim 3, wherein: the slot is perpendicular to the wire slot, the lower portions of the two side faces of the plug-in are guiding inclined planes, the plug-in is tightly matched with the slot, a clamping groove is arranged in the middle of the bottom face of the plug-in, the clamping groove is trapezoidal, the width of the lower portion of the clamping groove is larger than that of the upper portion of the clamping groove, and the pins are clamped by the clamping groove.
5. The glue lid assembly of claim 1, wherein: an embedded groove is arranged on the outer side end face of the rubber cover main body, and the rectifier bridge is inserted into the embedded groove; the outer side end face of the rubber cover main body is uniformly provided with positioning columns around the embedded groove, and the rectifier bridge is clamped between the positioning columns.
6. The glue lid assembly of claim 6, wherein: 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 electrically connected with the fixed terminal.
7. The glue lid assembly of claim 1, wherein: the edge position of the outer 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 fixture block, the PPTC is clamped between the two fixture blocks, and the PPTC is positioned on the side face of the rubber cover main body.
8. The glue lid assembly of claim 6, wherein: the glue cover main body is provided with lead wire grooves corresponding to the output pin and the input pin of the PPTC respectively, the lead wire grooves extend 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 the two lead wire grooves, the lead wire groove where the input pin is located is internally provided with a fixed terminal, and the input pin is electrically connected with the fixed terminal.
9. The glue lid assembly of claim 1, wherein: the end surface of the inner side of the rubber cover main body is provided with an installation column corresponding to the torsion spring, and the torsion spring is sleeved on the installation column; the inner side end face of the rubber cover main body is provided with a sinking groove around the through hole, the rubber cover main body further comprises a bearing arranged in the sinking groove and a pressing ring for pressing the bearing, notches are uniformly arranged on the inner edge of the pressing ring at intervals, and pressing claws are formed between the notches.
10. 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 the middle of this casing, and this rotor includes the pivot, sets up at this epaxial coil of commentaries on classics and commutator, and this rotor rotationally sets up in this casing, and the terminal surface of this casing opposite side is stretched out to this pivot one end, its characterized in that: the carbon brush assembly of any one of claims 1 to 9, further comprising a cover main body covering the open end surface of the housing and supporting the other end of the rotating shaft, the carbon brush being 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 true CN110556961A (en) | 2019-12-10 |
| CN110556961B CN110556961B (en) | 2024-03-19 |
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| 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 |
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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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| 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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| CN110556961B (en) | 2024-03-19 |
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