CN208538586U - A kind of potentiometer - Google Patents
A kind of potentiometer Download PDFInfo
- Publication number
- CN208538586U CN208538586U CN201820994806.0U CN201820994806U CN208538586U CN 208538586 U CN208538586 U CN 208538586U CN 201820994806 U CN201820994806 U CN 201820994806U CN 208538586 U CN208538586 U CN 208538586U
- Authority
- CN
- China
- Prior art keywords
- guide rod
- hairclipper
- resistance board
- shielding case
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of potentiometers, including resistance board, the first guide rod and the second guide rod, hairclipper, brush, bracket, the dustproof membrane for covering at the shielding case above first guide rod and the second guide rod and being covered on the shielding case top surface；The bottom surface of the bracket is provided with the electrode with resistance board electrical connection, and the top surface of the shielding case and the dustproof membrane is along its length through the elongated slot offered for being slidably matched with the driving handle of the hairclipper；The upper surface of the hairclipper is recessed with downwards sliding slot, and the two lateral walls of the sliding slot are provided through the through-hole for being slidably matched with first guide rod or the second guide rod, and the bottom of the sliding slot is provided with the elastic slice for increasing hairclipper sliding damping sense.The potentiometer designed using the above structure can effectively enhance resistance to sliding when hairclipper sliding, and then effectively promote the sliding precision of the potentiometer by the setting for the elastic slice being set in sliding slot.
Description
Technical field
The utility model relates to technical field of electronic devices more particularly to a kind of potentiometers.
Background technique
The sliding sense of used slide potentiometer currently on the market is lighter, and sliding precision, which is unable to get, to be effectively ensured, further, since
Structure is excessively complicated, but also manufacture processing cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of potentiometers, and the potentiometer structure is simple, can be by being set to cunning
The setting of elastic slice in slot, sliding when effectively enhancing hairclipper sliding damp sense, and then effectively promote the sliding essence of the potentiometer
Degree.
For this purpose, the utility model uses following technical scheme:
A kind of potentiometer, including resistance board, it is set up in the resistance board upper surface and flat along the resistance board length direction
The first guide rod and the second guide rod of row interval setting, are set to the hairclipper being slidably connected with first guide rod and the second guide rod
Brush that the hairclipper bottom surface is electrically connected with the resistance board, the bracket for being set to first guide rod and the second guide rod both ends,
The shielding case that covers above first guide rod and the second guide rod and the dustproof membrane for being covered on the shielding case top surface；Institute
The bottom surface for stating bracket is provided with electrode with resistance board electrical connection, and the top surface of the shielding case and the dustproof membrane is along length
The elongated slot offered for being slidably matched with the driving handle of the hairclipper is run through in degree direction；The upper surface of the hairclipper is to recessed
Equipped with sliding slot, the two lateral walls of the sliding slot are provided through for being slidably matched with first guide rod or the second guide rod
Through-hole, the bottom of the sliding slot are provided with the elastic slice for increasing hairclipper sliding damping sense.
Wherein, the electrode positioned at the cradle bottom surface exposes to the bottom surface of the resistance board and is electrically connected with the resistance board
It connects.
Wherein, the width positioned at the elongated slot of the dustproof membrane upper surface is less than the width positioned at shielding case upper surface elongated slot
Degree.
Wherein, the shielding case is formed using metal plate integrated punching.
Wherein, the bottom surface of the shield sidewall has extended downwardly registration arm, the registration arm and is opened in the electricity
The locating slot at baffle-wall edge matches.
Wherein, the lower end bending pressure of the registration arm is set to the bottom surface of the resistance board.
The utility model has the beneficial effects that the utility model provides a kind of potentiometer, including resistance board, be set up in it is described
Resistance board upper surface and the first guide rod and the second guide rod and described first being arranged along the resistance board length direction parallel interval
Hairclipper that guide rod and the second guide rod are slidably connected is set to brush, setting that the hairclipper bottom surface is electrically connected with the resistance board
In first guide rod and the second guide rod both ends bracket, cover at shielding case above first guide rod and the second guide rod,
And it is covered on the dustproof membrane of the shielding case top surface；The bottom surface of the bracket is provided with the electricity with resistance board electrical connection
The top surface of pole, the shielding case and the dustproof membrane is sliding for the driving handle with the hairclipper through offering along its length
The elongated slot of dynamic cooperation；The upper surface of the hairclipper is recessed with downwards sliding slot, and the two lateral walls of the sliding slot are provided through use
In the through-hole being slidably matched with first guide rod or the second guide rod, the bottom of the sliding slot, which is provided with, increases hairclipper sliding damping
The elastic slice of sense.The potentiometer designed using the above structure, can be by the setting for the elastic slice being set in sliding slot, and effectively enhancing pushes away
Resistance to sliding when son sliding, and then effectively promote the sliding precision of the potentiometer.
Detailed description of the invention
Fig. 1 is a kind of exploded view of potentiometer of the utility model.
Fig. 2 is the axonometric drawing of potentiometer assembly in Fig. 1
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
In conjunction with shown in Fig. 1 to Fig. 2, a kind of potentiometer is present embodiments provided, including resistance board 1, be set up in the resistance
1 upper surface of plate and the first guide rod 2 and the second guide rod 3 and described first being arranged along the 1 length direction parallel interval of resistance board
Hairclipper 4 that guide rod 2 and the second guide rod 3 are slidably connected is set to the brush that 4 bottom surface of hairclipper is electrically connected with the resistance board 1
5, be set to 3 both ends of first guide rod 2 and the second guide rod bracket 61,62, cover at first guide rod 2 and the second guide rod
The shielding case 6 of 3 tops and the dustproof membrane 7 for being covered on 6 top surface of shielding case；The bottom surface of the bracket is provided with and institute
State the electrode 621 of the electrical connection of resistance board 1, the top surface of the shielding case 6 and the dustproof membrane 7 is along its length through offering
Elongated slot for being slidably matched with the driving handle 42 of the hairclipper 4；The upper surface of the hairclipper 4 is recessed with downwards sliding slot 41, institute
The two lateral walls for stating sliding slot 41 are provided through through-hole for being slidably matched with first guide rod 2, the sliding slot 41
Bottom is provided with the elastic slice for increasing the sliding damping sense of hairclipper 4.
The potentiometer designed using aforesaid way, drives entire hairclipper past along the first guide rod and the second guide rod by driving handle
Sliding is returned, and then changes the relative displacement being set between the brush and resistance board of hairclipper bottom surface, adjusting electric current is played with this
The effect of size, in order to effectively enhance the force of sliding friction between hairclipper and the first guide rod, the present embodiment is in the bottom of sliding slot 41
It is provided with and increases the elastic slice that the sliding damping of hairclipper 4 is felt, in the present embodiment, be equipped at the top of elastic slice and connect with the sliding of the first guide rod
The slide plate connect, frictional force when increasing hairclipper and the movement of the first guide rod using the elastic force of elastic slice, and then effectively promote the potentiometer
Sense is damped when operation again, then effectively promotes the degree of regulation of potentiometer.
In the present embodiment, positioned at the electrode 621 of the cradle bottom surface expose to the resistance board 1 bottom surface and with it is described
Resistance board 1 is electrically connected, and is less than positioned at the width of the elongated slot of 7 upper surface of dustproof membrane and is located at the 6 upper surface elongated slot of shielding case
Width, in the present embodiment, dustproof membrane is the plastic mold for being pasted on shielding case top surface, can play preferable dust-proof effect, is prevented
Only dust is fallen into the cavity of shielding case by elongated slot.
In addition, in order to facilitate being connected and fixed between the molding and shielding case and resistance board of shielding case, in the present embodiment,
The shielding case 6 is formed using metal plate integrated punching, and the bottom surface of 6 side wall of the shielding case has extended downwardly registration arm 63,
The registration arm 63 is matched with the locating slot 11 for being opened in 1 edge of resistance board, and the lower end bending pressure of the registration arm is set
In the bottom surface of the resistance board 1.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (6)
1. a kind of potentiometer, it is characterised in that: including resistance board, be set up in the resistance board upper surface and along the resistance board it is long
The first guide rod and the second guide rod of degree direction parallel interval setting are pushed away with what first guide rod and the second guide rod were slidably connected
Son is set to brush that the hairclipper bottom surface is electrically connected with the resistance board, is set to first guide rod and the second guide rod two
The bracket at end covers at the shielding case above first guide rod and the second guide rod and is covered on the shielding case top surface
Dustproof membrane；The bottom surface of the bracket is provided with the electrode with resistance board electrical connection, the shielding case and the dustproof membrane
Top surface along its length through offering elongated slot for being slidably matched with the driving handle of the hairclipper；The hairclipper it is upper
Surface is recessed with downwards sliding slot, and the two lateral walls of the sliding slot, which are provided through, to be used for and first guide rod or the second guide rod
The through-hole being slidably matched, the bottom of the sliding slot are provided with the elastic slice for increasing hairclipper sliding damping sense.
2. a kind of potentiometer according to claim 1, it is characterised in that: expose to institute positioned at the electrode of the cradle bottom surface
It states the bottom surface of resistance board and is electrically connected with the resistance board.
3. a kind of potentiometer according to claim 2, it is characterised in that: positioned at the width of the elongated slot of the dustproof membrane upper surface
Degree is less than the width positioned at shielding case upper surface elongated slot.
4. a kind of potentiometer according to claim 3, it is characterised in that: the shielding case using metal plate integrated punching at
Type.
5. a kind of potentiometer according to claim 4, it is characterised in that: the bottom surface of the shield sidewall extends downwardly
There is registration arm, the registration arm is matched with the locating slot for being opened in the resistance board edge.
6. a kind of potentiometer according to claim 5, it is characterised in that: the lower end bending pressure of the registration arm is set to described
The bottom surface of resistance board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994806.0U CN208538586U (en) | 2018-06-26 | 2018-06-26 | A kind of potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994806.0U CN208538586U (en) | 2018-06-26 | 2018-06-26 | A kind of potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538586U true CN208538586U (en) | 2019-02-22 |
Family
ID=65379016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820994806.0U Active CN208538586U (en) | 2018-06-26 | 2018-06-26 | A kind of potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538586U (en) |
-
2018
- 2018-06-26 CN CN201820994806.0U patent/CN208538586U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |