CN212183385U - Power adapter and desk-top towards tooth ware - Google Patents
Power adapter and desk-top towards tooth ware Download PDFInfo
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- CN212183385U CN212183385U CN202020783076.7U CN202020783076U CN212183385U CN 212183385 U CN212183385 U CN 212183385U CN 202020783076 U CN202020783076 U CN 202020783076U CN 212183385 U CN212183385 U CN 212183385U
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- limiting clamping
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- bulge
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Abstract
The utility model belongs to the technical field of the tooth is clean, more specifically say, relate to a power adapter and desk-top towards tooth ware, wherein, the source adapter includes: the adapter main body comprises an adapter body, a connecting bulge, a first electric connecting terminal and a limiting clamping bulge; the power line comprises a power line main body, a connecting cylinder and a second electric connecting terminal, wherein the connecting cylinder is provided with at least one limiting clamping hole on the wall surface of the inner cylinder, the limiting clamping holes are circumferentially arranged at intervals, each limiting clamping hole is respectively clamped and matched with a limiting clamping bulge, the connecting cylinder can elastically deform under the action of external force and is dislocated with each limiting clamping bulge in the bulge direction of the limiting clamping bulge, one cylinder end of the connecting cylinder is of a closed structure, and the other cylinder end of the connecting cylinder is of an open structure; and (5) sealing rings. If the power lines of other specifications need to be replaced, the connection between the adapter body and the power line is released, and then the power line of a new specification is connected, so that the water resistance of the power line and the adapter body is ensured.
Description
Technical Field
The utility model belongs to the technical field of the tooth is clean, more specifically say, relate to a power adapter and desk-top towards tooth ware.
Background
The power adapter is a power supply conversion device of small-sized portable electronic equipment and electronic appliances, and comprises an adapter main body and a power line, wherein a glue pouring packaging waterproof process is adopted between the adapter main body and the power line, so that the waterproof performance is destroyed once the power line of other specifications needs to be replaced, and the power line is not convenient to replace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power adapter to solve the technical problem who is not convenient for change the power cord that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
provided is a power adapter including:
the adapter comprises an adapter body, a connecting bulge made of insulating plastics, a first electric connecting terminal made of conductive materials and at least one limiting clamping bulge, wherein the limiting clamping bulge is connected to the connecting bulge and arranged along the circumferential direction of the connecting bulge at intervals;
the power line comprises a power line main body, a connecting cylinder made of insulating plastic and a second electric connecting terminal made of a conductive material, wherein the connecting cylinder is sleeved with the connecting protrusion, at least one limiting clamping hole is formed in the wall surface of the inner cylinder of the connecting cylinder, the limiting clamping holes are circumferentially arranged at intervals, each limiting clamping hole is clamped and matched with one limiting clamping protrusion, the connecting cylinder can elastically deform under the action of external force and is dislocated with the limiting clamping protrusions in the protruding direction of the limiting clamping protrusions, one cylinder end of the connecting cylinder is of a closed structure, the other cylinder end of the connecting cylinder is of an open structure, the second electric connecting terminal is located in the connecting cylinder, is installed in the closed structure and is electrically connected with the power line main body, and the second electric connecting terminal is also electrically connected with the first electric connecting terminal;
and the sealing ring is made of elastic insulating plastic, the inner ring surface of the sealing ring elastically abuts against the outer peripheral wall surface of the connecting bulge, and the outer ring surface of the sealing ring elastically abuts against the inner cylinder wall surface of the connecting cylinder.
Optionally, the side of the limit card protruding towards the closed structure is provided with a guide slope.
Optionally, the limiting clamping protrusions are at least two and are arranged at equal intervals.
Optionally, the connecting protrusion has an annular positioning groove formed on an outer circumferential wall surface thereof, the sealing ring is sleeved in the annular positioning groove, and the sealing ring at least partially protrudes out of the annular positioning groove.
Optionally, the sealing ring is elastically abutted against two groove walls of the annular positioning groove.
Optionally, the connecting projection is made of polycarbonate;
and/or the connector barrel is made of polycarbonate.
Optionally, the first electrical connection terminal is made of copper;
and/or the second electrical connection terminal is made of copper material.
The utility model also provides a desk-top towards tooth ware, include as above-mentioned power adapter.
In the utility model, the adapter main body and the power line can be disconnected through the connection and the matching of the connecting bulge and the connecting cylinder, if the power lines with other specifications need to be replaced, the connection between the adapter main body and the power line is released, and then the power line with a new specification is connected; in addition, a sealing ring is arranged between the connecting bulge and the connecting cylinder, so that the sealing performance between the connecting bulge and the connecting cylinder is ensured, and the water resistance between a power line and the adapter main body is ensured.
Based on the utility model discloses a structure, if need change the power cord of other specifications, then remove the connection between adapter main part and the power cord, connect again the power cord of new specification can, and still guaranteed the waterproof of power cord and adapter main part.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic overall structure diagram of a power adapter according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a power adapter provided in an embodiment of the present invention;
fig. 3 is an exploded view of a power adapter according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
||
| 110 | Connecting |
1101 | |
| 120 | |
||
| 200 | |
||
| 210 | Power line |
||
| 220 | Connecting |
2201 | Limiting |
| 300 | Sealing ring |
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the power adapter provided by the present invention will now be described. The power adapter includes an adapter body 100, a power cord 200, and a seal ring 300.
The adapter main body 100 comprises an adapter body, a connecting protrusion 110 made of insulating plastic, a first electric connection terminal made of conductive material and at least one limiting clamping protrusion 120 connected to the connecting protrusion 110 and arranged along the circumferential direction of the connecting protrusion 110 at intervals, wherein the connecting protrusion 110 is connected to the adapter body, and the first electric connection terminal is mounted on the end surface of the connecting protrusion 110 and electrically connected with the adapter body; it should be noted that, the adapter body includes a functional device for implementing power conversion, and the functional device is not used here, regardless of the invention of the present application.
The power cord 200 comprises a power cord main body 210, a connecting cylinder 220 made of insulating plastic and a second electric connecting terminal made of conductive materials, the connecting cylinder 220 is sleeved with the connecting protrusion 110, at least one limiting clamping hole 2201 is formed in the wall surface of the inner cylinder of the connecting cylinder 220, the limiting clamping holes 2201 are circumferentially arranged at intervals, each limiting clamping hole 2201 is clamped and matched with one limiting clamping protrusion 120, the connecting cylinder 220 can elastically deform under the action of external force, and the protrusion direction of the limiting clamping protrusion 120 is staggered with the limiting clamping protrusion 120, so that the connecting cylinder 220 and the connecting protrusion 110 can be detached under the action of the external force. One end of the connecting cylinder 220 is a closed structure, the other end of the connecting cylinder is an open structure, the second electrical connection terminal is located in the connecting cylinder 220, is installed in the closed structure and is electrically connected with the power line main body 210, and the second electrical connection terminal is also electrically connected with the first electrical connection terminal.
The sealing ring 300 is made of elastic insulating plastic, and its inner circumferential surface elastically abuts against the outer circumferential wall surface of the coupling protrusion 110, and its outer circumferential surface elastically abuts against the inner cylindrical wall surface of the coupling cylinder 220.
It should be noted that, the first electrical connection terminal may be a male electrical connection terminal or a female electrical connection terminal, and similarly, the second electrical connection terminal may be a male electrical connection terminal or a female electrical connection terminal, where if the first electrical connection terminal is a male electrical connection terminal, the second electrical connection terminal is a female electrical connection terminal, and if the first electrical connection terminal is a female electrical connection terminal, the second electrical connection terminal is a male electrical connection terminal; in the embodiment of the present invention, the first electrical connection terminal is a female electrical connection terminal, and the second electrical connection terminal is a male electrical connection terminal.
Specifically, in the process of assembling the power cord 200 to the adapter body 100, the sealing ring 300 is firstly sleeved on the connecting protrusion 110, then the connecting cylinder 220 is forced to be elastically deformed by external force so as to be dislocated with each limiting protrusion 120 in the protrusion direction of the limiting protrusion 120, at this time, the connecting cylinder 220 is sleeved on the connecting protrusion 110, and the limiting protrusions 120 are clamped in the limiting clamping holes 2201, so that the assembly between the power cord 200 and the adapter body 100 is completed, and in the process of detaching the power cord 200 from the adapter body 100, the connecting cylinder 220 is forced to be elastically deformed by external force so as to be dislocated with each limiting protrusion 120 in the protrusion direction of the limiting protrusions 120, then the connecting cylinder 220 is separated from the connecting protrusion 110, so that the detachment between the power cord 200 and the adapter body 100 is completed.
The adapter body 100 and the power cord 200 can be detached through the connection and matching of the connecting protrusion 110 and the connecting cylinder 220, if the power cord 200 of other specifications needs to be replaced, the connection between the adapter body 100 and the power cord 200 is released, and then the power cord 200 of a new specification is connected; further, a seal ring 300 is provided between the coupling projection 110 and the coupling cylinder 220, and the seal ring 300 ensures the sealing between the coupling projection 110 and the coupling cylinder 220 and the waterproofing of the power cord 200 and the adaptor body 100.
Based on the utility model discloses a structure, if need to change the power cord 200 of other specifications, then remove the connection between adapter main part 100 and the power cord 200, connect the power cord 200 of new specification again can, and still guaranteed the waterproof of power cord 200 and adapter main part 100.
As shown in fig. 1, in the embodiment of the present invention, the limiting protrusion 120 is provided with a guiding slope at a side facing the closed structure. In the process of assembling the power cord 200 to the adapter body 100, the connecting cylinder 220 is spread open by the limiting clamping protrusions 120, so that only one external force towards the connecting protrusions 110 needs to be applied to the connecting cylinder 220, the assembling difficulty is further simplified, and the assembling efficiency is improved.
As shown in fig. 1, in the embodiment of the present invention, at least two limiting protrusions 120 are provided and are arranged at equal intervals. Because the protruding 120 equidistant setting of each spacing card, when spacing card was equipped with two, still can assemble after connecting cylinder 220 rotatory 180 degrees, and be equipped with threely when spacing card is protruding 120, still can assemble after connecting cylinder 220 rotatory 120 degrees, particularly, spacing card is protruding 120 to be N, still can assemble after connecting cylinder 220 rotatory 360/N degree so.
As shown in fig. 1, in the embodiment of the present invention, the connecting protrusion 110 is provided with an annular positioning groove 1101 on an outer peripheral wall surface thereof, the sealing ring 300 is sleeved on the annular positioning groove 1101, and the sealing ring 300 at least partially protrudes out of the annular positioning groove 1101. The position of the sealing ring 300 is limited by the annular positioning groove 1101, specifically, in the assembling process, the annular positioning groove 1101 can limit the sealing ring 300 in the connecting cylinder 220, so that the sealing ring 300 is prevented from being ejected out of the connecting cylinder 220, and the assembling efficiency is improved.
Further, the seal ring 300 elastically abuts against both groove walls of the annular positioning groove 1101. In this manner, the movement of the seal ring 300 can be completely restricted.
Further, the cross-sectional shape of the sealing ring 300 is circular, and the ratio of the diameter of the cross-sectional shape of the sealing ring 300 to the depth of the annular positioning groove 1101 is 0.8-0.9, so that the resistance between the sealing ring 300 and the connecting cylinder 220 can be reduced on the premise of ensuring sufficient elastic interference between the sealing ring 300 and the connecting cylinder 220, i.e., ensuring good sealing performance between the sealing ring 300 and the connecting cylinder 220.
In the embodiment of the present invention, the coupling projection 110 is made of polycarbonate; the connector barrel 220 is made of polycarbonate.
In an embodiment of the invention, the first electrical connection terminal is made of copper material; the second electrical connection terminal is made of copper material.
The utility model discloses still provide a tooth ware is dashed to desk-top, this tooth ware is dashed to desk-top includes power adapter, and above-mentioned embodiment is referred to this power adapter's concrete structure, because this tooth ware is dashed to desk-top has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer gives unnecessary detail here.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A power adapter, comprising:
the adapter comprises an adapter body, a connecting bulge made of insulating plastics, a first electric connecting terminal made of conductive materials and at least one limiting clamping bulge, wherein the limiting clamping bulge is connected to the connecting bulge and arranged along the circumferential direction of the connecting bulge at intervals;
the power line comprises a power line main body, a connecting cylinder made of insulating plastic and a second electric connecting terminal made of a conductive material, wherein the connecting cylinder is sleeved with the connecting protrusion, at least one limiting clamping hole is formed in the wall surface of the inner cylinder of the connecting cylinder, the limiting clamping holes are circumferentially arranged at intervals, each limiting clamping hole is clamped and matched with one limiting clamping protrusion, the connecting cylinder can elastically deform under the action of external force and is dislocated with the limiting clamping protrusions in the protruding direction of the limiting clamping protrusions, one cylinder end of the connecting cylinder is of a closed structure, the other cylinder end of the connecting cylinder is of an open structure, the second electric connecting terminal is located in the connecting cylinder, is installed in the closed structure and is electrically connected with the power line main body, and the second electric connecting terminal is also electrically connected with the first electric connecting terminal;
and the sealing ring is made of elastic insulating plastic, the inner ring surface of the sealing ring elastically abuts against the outer peripheral wall surface of the connecting bulge, and the outer ring surface of the sealing ring elastically abuts against the inner cylinder wall surface of the connecting cylinder.
2. The power adapter as claimed in claim 1, wherein the stopper has a guide slope protruding from a side facing the enclosure.
3. The power adapter as claimed in claim 1, wherein there are at least two of the limiting protrusions, and the limiting protrusions are arranged at equal intervals.
4. The power adapter as claimed in claim 1, wherein the connecting protrusion has an annular positioning groove formed on an outer peripheral wall surface thereof, and the sealing ring is sleeved on the annular positioning groove and at least partially protrudes out of the annular positioning groove.
5. The power adapter as claimed in claim 4, wherein the sealing ring is elastically abutted against both groove walls of the annular positioning groove.
6. The power adapter as claimed in any one of claims 1 to 5, wherein the connection projection is made of polycarbonate;
and/or the connector barrel is made of polycarbonate.
7. The power adapter as claimed in any one of claims 1 to 5, wherein the first electrical connection terminal is made of copper;
and/or the second electrical connection terminal is made of copper material.
8. A bench-top dental irrigator comprising a power adapter according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020783076.7U CN212183385U (en) | 2020-05-12 | 2020-05-12 | Power adapter and desk-top towards tooth ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020783076.7U CN212183385U (en) | 2020-05-12 | 2020-05-12 | Power adapter and desk-top towards tooth ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212183385U true CN212183385U (en) | 2020-12-18 |
Family
ID=73774411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020783076.7U Active CN212183385U (en) | 2020-05-12 | 2020-05-12 | Power adapter and desk-top towards tooth ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212183385U (en) |
-
2020
- 2020-05-12 CN CN202020783076.7U patent/CN212183385U/en active Active
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