CN116564634A - Straight sliding potentiometer and processing method thereof - Google Patents
Straight sliding potentiometer and processing method thereof Download PDFInfo
- Publication number
- CN116564634A CN116564634A CN202310676942.0A CN202310676942A CN116564634A CN 116564634 A CN116564634 A CN 116564634A CN 202310676942 A CN202310676942 A CN 202310676942A CN 116564634 A CN116564634 A CN 116564634A
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- 238000003672 processing method Methods 0.000 title abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 44
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000004512 die casting Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 claims description 10
- 210000000078 claw Anatomy 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/02—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistors with envelope or housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Adjustable Resistors (AREA)
Abstract
The invention belongs to the technical field of potentiometer processing, and discloses a straight sliding type potentiometer and a processing method thereof. The terminal comprises a body and a contact piece, the terminal is integrally formed by die casting, the carbon piece is arranged on one side of the body, the push rod component is connected to the carbon piece in a sliding manner, the push rod component is electrically connected with a resistor on the carbon piece, the contact piece is electrically connected with the resistor, the contact piece is welded with a PCB (printed circuit board), the body and the contact piece are sheet-shaped, and the body and the contact piece are parallel; the problem that after the potentiometer is connected with the PCB in the prior art, an electronic element of the PCB is damaged by heating and cannot be used is solved.
Description
Technical Field
The invention relates to the technical field of potentiometer processing, in particular to a straight sliding type potentiometer and a processing method thereof.
Background
The potentiometer is fixed on the PCB of the target customer through the welded mode, the whole plane of the terminal inside the potentiometer is generally welded on the PCB, the terminal is electrically connected with the PCB through the contact, the terminal stretches out of the contact and is perpendicular to the terminal body, the height of the potentiometer is higher, the volume is larger, the potentiometer is needed to be used for volume adjustment in the earphone under the prior art, the volume of the potentiometer is larger, the volume of the earphone is increased, the earphone is attractive, the earphone is easy to fall off from the PCB after the welding is finished, meanwhile, the original electronic element on the PCB of the customer is damaged due to the fact that the temperature generated in the welding and fixing process of the potentiometer is too high in the prior art, and the PCB cannot be normally used after the potentiometer is installed.
Disclosure of Invention
The invention aims to provide a straight sliding type potentiometer, which solves the problem that a PCB (printed Circuit Board) cannot be used due to heat damage after the potentiometer is connected with the PCB in the prior art.
To achieve the purpose, the invention adopts the following technical scheme: the invention provides a direct sliding potentiometer which comprises a terminal, a carbon sheet and a push rod assembly, wherein the terminal comprises a body and a contact sheet, the terminal is integrally formed by die casting, the carbon sheet is arranged on one side of the body, the push rod assembly is connected onto the carbon sheet in a sliding manner, the push rod assembly is electrically connected with a resistor on the carbon sheet, the contact sheet is electrically connected with the resistor, the contact sheet is welded with a PCB (printed circuit board), the body and the contact sheet are sheet-shaped, and the body and the contact sheet are parallel.
Preferably, a first limiting column is formed on the body, a first limiting hole is formed on the carbon sheet, a resistor body is wrapped on the inner wall of the first limiting hole, and the first limiting column is riveted in the first limiting hole.
Preferably, the direct sliding potentiometer further comprises a base, the base is coated on the periphery of the carbon sheet and the periphery of the body in an injection molding mode, the base is connected with the PCB, and the contact sheet extends out of the base and is welded with the PCB.
Preferably, the base is provided with a second limiting column, the PCB is provided with a second positioning hole, and the second limiting column is riveted in the second positioning hole.
Preferably, the push rod assembly comprises a push handle and a brush, the push handle is riveted with the brush, a connecting rod is arranged on the push handle and connected with the sleeve button, a brush claw is arranged at the bottom of the brush, and the brush claw is in sliding abutting connection with the resistor body.
Preferably, the direct sliding potentiometer further comprises a shell, clamping rings are arranged on two sides of the shell, protruding portions are arranged on two sides of the base, the clamping rings are buckled in the protruding portions, sliding holes are formed in the shell, the connecting rods penetrate through the sliding holes, and the connecting rods move along the length directions of the sliding holes.
Preferably, the top surface of the shell is provided with a third limiting hole, the base is provided with a third limiting column, and the third limiting column is inserted into the third limiting hole.
Preferably, the terminal material is SPCC, SPCC integrated stamping forming forms the material area, and the material area includes terminal, connection piece and annular frame, and the terminal passes through the connection piece to be fixed in annular frame, and the contact is connected with annular frame, and the terminal can separate with annular frame.
A method of manufacturing a direct-slide potentiometer, comprising the direct-slide potentiometer of any one of the preceding claims, further comprising the steps of:
s1, selecting a section of SPCC to be formed into a material belt by punching, so that a terminal is formed in an annular frame;
s2, riveting the carbon sheet and the terminal;
s3, placing the terminal and the carbon sheet on the material belt into a mold for injection molding, so that the terminal and the carbon sheet wrap the base;
s4, cutting off the connecting sheet, and separating the terminal from the annular frame;
s5, riveting the push handle with the brush, enabling the push handle to be in butt joint with the shell, and enabling the connecting rod to penetrate through the sliding hole;
s6, buckling the clamping ring of the shell with the protruding portion of the base. As a preferred alternative to this,
the beneficial effects are that: through pegging graft base and the PCB board that forms with moulding plastics, fix in advance, later rethread contact and PCB board weld, make direct sliding potentiometer can be directly fixed on the PCB board that the customer provided, realize SMT paster welding process, simultaneously because only weld through the contact position, thereby the welded area has been reduced, welded calorific capacity has been reduced, reduce the probability that the PCB board was damaged at the welding after accomplishing electronic component, simultaneously because contact and body integrated into one piece and parallel, the space of the perpendicular to body direction that occupies is less, further reduced direct sliding potentiometer's overall height, make direct sliding potentiometer just can fix on the PCB board through the contact.
Drawings
FIG. 1 is an exploded view of a direct sliding potentiometer of the present invention;
FIG. 2 is a flow chart of the carbon sheet installation and base injection molding process of the present invention;
FIG. 3 is a front view of a direct sliding potentiometer of the present invention;
FIG. 4 is a rear view of a direct slide potentiometer of the present invention;
FIG. 5 is a main view of a straight sliding type potentiometer carbon plate of the present invention;
FIG. 6 is a diagram of the installation of a direct sliding potentiometer housing and push rod assembly of the present invention;
FIG. 7 is a view showing the butt joint of the housing and the base of the direct sliding potentiometer of the present invention.
In the figure: 1-terminals; 11-a body; 111-a first limit column; 12-contact; 2-carbon flakes; 21-a first limiting hole; 22-resistor body; 3-a base; 31-a second limit column; 32-a boss; 33-a third limit column; 4-pushing handles; 41-connecting rods; 5-a brush; 51-brushing claws; 6-a housing; 61-snap ring; 62-sliding holes; 63-a third limiting hole; 7, material belt; 71-a ring frame; 72-connecting piece.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The contact piece of the prior art is vertical to the body, so that the whole height of the direct sliding potentiometer is higher, the direct sliding potentiometer cannot be matched with electronic devices with narrow spaces such as headphones, and meanwhile, the direct sliding potentiometer is longer in time because of the larger welding range required when the terminals are connected with the PCB, the heat generated during welding is larger, and other electronic elements on the PCB are easily damaged at high temperature.
In order to solve the above problems, as shown in fig. 1 to 7, the present invention provides a direct sliding potentiometer, which comprises a terminal 1, a carbon plate 2 and a push rod assembly, wherein the terminal 1 comprises a body 11 and a contact plate 12, the terminal 1 is integrally die-cast, the carbon plate 2 is installed on one side of the body 11, the push rod assembly is slidably connected to the carbon plate 2, the push rod assembly is electrically connected to a resistor 22 on the carbon plate 2, the contact plate 12 is electrically connected to the resistor 22, the contact plate 12 is welded to a PCB, the body 11 and the contact plate 12 are both in a sheet shape, and the body 11 and the contact plate 12 are parallel.
The terminal 1 is formed by integral die casting, so that the terminal 1 is sheet-shaped, the space occupied by the terminal 1 in the height direction is reduced, the thickness of the straight sliding potentiometer is further reduced, the straight sliding potentiometer manufactured by the processing method can reduce the height to 2.5mm in general, the terminal 1 is formed by adopting SPCC material in a punching mode, silver plating treatment is carried out on the surface, the terminal 1 and the contact 12 are sheet-shaped and parallel to each other, the push rod component slides, the length of the resistor 22 on the carbon sheet 2 connected to a circuit is changed, and the resistance connected to the inside of a PCB is further changed. The invention fixes the contact 12 with the PCB, so the smaller the volume of the direct sliding potentiometer is, the more firm the method for fixing the direct sliding potentiometer by the contact 12 is.
As shown in fig. 2, a first limiting post 111 is formed on the body 11, a first limiting hole 21 is formed on the carbon plate 2, a resistor 22 is wrapped on the inner wall of the first limiting hole 21, and the first limiting post 111 is riveted in the first limiting hole 21.
According to the invention, the resistor 22 and the terminal 1 on the carbon sheet 2 are respectively arranged at two sides of the carbon sheet 2, so that the terminal 1 can be tightly attached to the carbon sheet 2, the space occupied by the terminal 1 and the carbon sheet 2 in the height direction perpendicular to the plane of the carbon sheet 2 is reduced, the height of the direct sliding potentiometer is further reduced, the volume is reduced, the terminal 1 and the carbon sheet 2 can be pre-fixed through the first limiting column 111 and the first limiting hole 21, and the carbon sheet 2 and the terminal 1 can not be separated when the carbon sheet 2 and the terminal 1 are placed in an injection mold for injection molding in the follow-up process. The carbon sheet 2 is made of glass fiber board (FR 4), one side surface is provided with a printed resistor 22 pattern, and the resistor 22 is matched with the brush 5, so that regular resistance change can be generated during sliding operation.
The direct sliding potentiometer further comprises a base 3, the base 3 is coated on the periphery of the carbon sheet 2 and the body 11 in an injection molding mode, the contact 12 is arranged on the outer side of the base 3 and is convenient to weld with a contact on a PCB, the contact 12 extends out of the base 3 and is welded with the PCB, the base 3 is connected with the PCB, the height of the direct sliding potentiometer is reduced to about 2.5mm, and then the direct sliding potentiometer is fixed through the contact 12, so that the direct sliding potentiometer can be fixed on the PCB, an SMT patch welding process is realized, and production efficiency is improved. The base 3 is made of plastic, so that rapid molding and solidification after injection molding are facilitated.
Be provided with second spacing post 31 on the base 3, the PCB board is provided with the second locating hole, and second spacing post 31 rivets in the second locating hole, can carry out the prepositioning with PCB board and direct sliding type potentiometre earlier through the connection of second spacing post 31 and second locating hole, is convenient for weld the position that corresponds on contact 12 and the PCB board, reduces the equipment degree of difficulty of sliding type potentiometre.
The push rod assembly comprises a push handle 4 and a brush 5, wherein the push handle 4 is riveted with the brush 5, a connecting rod 41 is arranged on the push handle 4, the connecting rod 41 is connected with a sleeve button, a brush claw 51 is arranged at the bottom of the brush 5, and the brush claw 51 is in sliding abutting connection with the resistor body 22.
The brush 5 is formed by stamping copper alloy materials, has the characteristics of good elasticity and excellent conductivity, silver plating treatment is performed on the surface of the brush 5, 8 brush claws 51 are arranged at the lower side of the brush 5, bending angles are formed on the brush, the brush 5 and the push handle 4 are riveted together, and when the push handle 4 is operated in a sliding mode, the brush claws 51 slide on the resistor 22 printed on the surface of the carbon sheet 2 to change the resistance.
The direct sliding potentiometer further comprises a housing 6, clamping rings 61 are arranged on two sides of the housing 6, protruding portions 32 are arranged on two sides of the base 3, the clamping rings 61 are buckled in the protruding portions 32, sliding holes 62 are formed in the housing 6, connecting rods 41 are arranged in the sliding holes 62 in a penetrating mode, the connecting rods 41 move along the length direction of the sliding holes 62, the housing 6 is formed by stamping stainless steel materials, four clamping rings 61 are buckled with the protruding portions 32 on the corresponding base 3, the brush 5 can slide back and forth in the length direction of the sliding holes 62, and resistance is changed.
The top surface of the shell 6 is provided with a third limiting hole 63, the base 3 is provided with a third limiting column 33, and the third limiting column 33 is inserted into the third limiting hole 63, so that the shell 6 and the base 3 are convenient to position, and the efficiency of the assembly process is higher.
The material of the terminal 1 is SPCC, the SPCC is integrally formed into the material belt 7 by punching, the material belt 7 comprises the terminal 1, a connecting sheet 72 and an annular frame 71, the terminal 1 is fixed in the annular frame 71 through the connecting sheet 72, the contact 12 is connected with the annular frame 71, and the terminal 1 can be separated from the annular frame 71.
The SPCC stamping is used for forming a plurality of groups of material belts 7, meanwhile, a plurality of groups of terminals 1 are arranged on the material belts 7, mass production can be carried out, a whole piece of SPCC material can be cut out through stamping, the terminals 1, the connecting pieces 72 and the contact pieces 12 are cut off after injection molding is completed, the terminals 1 and the annular frame 71 are separated, meanwhile, the joint of the contact pieces 12 and the annular frame 71 is cut off, the body 11 and the contact pieces 12 on the terminals 1 formed through stamping are sheet-shaped, space is saved in the height direction perpendicular to the plane of the terminals 1, and the purpose of reducing the volume of the direct sliding potentiometer is achieved.
A processing method of a straight sliding potentiometer comprises the following steps:
s1, selecting a section of SPCC to be punched and formed into a material belt 7, and forming a terminal 1 in an annular frame 71;
s2, riveting the carbon sheet 2 with the terminal 1;
s3, placing the terminal 1 and the carbon sheet 2 on the material belt 7 into a mold for injection molding, so that the terminal 1 and the carbon sheet 2 wrap the base 3;
s4, shearing the connecting sheet 72, and separating the terminal 1 from the annular frame 71;
s5, riveting the push handle 4 with the brush 5, enabling the push handle 4 to be in contact with the shell 6, and enabling the connecting rod 41 to penetrate through the sliding hole 62;
s6, the clamping ring 61 of the shell 6 is buckled with the protruding part 32 of the base 3.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. The utility model provides a direct sliding potentiometer, its characterized in that includes terminal (1), carbon sheet (2) and push rod subassembly, terminal (1) includes body (11) and contact (12), integrative die casting shaping of terminal (1), carbon sheet (2) are installed to one side of body (11), sliding connection has on carbon sheet (2) push rod subassembly, push rod subassembly with resistor (22) electricity is connected on carbon sheet (2), contact (12) with resistor (22) electricity is connected, contact (12) and PCB board welding, body (11) with contact (12) all are the slice, body (11) with contact (12) are parallel.
2. The straight sliding potentiometer according to claim 1, wherein a first limiting column (111) is formed on the body (11), a first limiting hole (21) is formed on the carbon sheet (2), the resistor body (22) is wrapped on the inner wall of the first limiting hole (21), and the first limiting column (111) is riveted in the first limiting hole (21).
3. The direct-sliding potentiometer according to claim 2, further comprising a base (3), wherein the base (3) is coated on the periphery of the carbon sheet (2) and the main body in an injection molding mode, the base (3) is connected with the PCB, and the contact sheet (12) extends out of the base (3) and is welded with the PCB.
4. A straight sliding potentiometer according to claim 3, characterized in that a second limiting column (31) is arranged on the base (3), a second positioning hole is arranged on the PCB board, and the second limiting column (31) is riveted in the second positioning hole.
5. The direct-sliding potentiometer according to claim 4, characterized in that the push rod assembly comprises a push handle (4) and a brush (5), the push handle (4) is riveted with the brush (5), a connecting rod (41) is arranged on the push handle (4), the connecting rod (41) is connected with a sleeve button, a brush claw (51) is arranged at the bottom of the brush (5), and the brush claw (51) is in sliding abutting connection with the resistor body (22).
6. The direct-sliding potentiometer according to claim 5, further comprising a housing (6), wherein clamping rings (61) are arranged on two sides of the housing (6), protruding portions (32) are arranged on two sides of the base (3), the clamping rings (61) are buckled in the protruding portions (32), sliding holes (62) are formed in the housing (6), the connecting rods (41) are arranged in the sliding holes (62) in a penetrating mode, and the connecting rods (41) move along the length direction of the sliding holes (62).
7. The direct sliding potentiometer according to claim 6, wherein a third limiting hole (63) is formed in the top surface of the housing (6), a third limiting post (33) is arranged on the base (3), and the third limiting post (33) is inserted into the third limiting hole (63).
8. The direct sliding potentiometer according to claim 1, wherein the terminal (1) is made of SPCC, the SPCC is integrally formed into a material belt (7) through punching, the material belt (7) comprises the terminal (1), a connecting sheet (72) and an annular frame (71), the terminal (1) is fixed in the annular frame (71) through the connecting sheet (72), the contact sheet (12) is connected with the annular frame (71), and the terminal (1) can be separated from the annular frame (71).
9. A method for processing a direct sliding potentiometer, which is characterized by comprising the direct sliding potentiometer according to any one of claims 1 to 8, and further comprising the following steps:
s1, selecting a section of SPCC to be punched and formed into a material belt (7), and forming a terminal (1) in an annular frame (71);
s2, riveting the carbon sheet (2) with the terminal (1);
s3, placing the terminal (1) and the carbon sheet (2) on the material belt (7) into a mold for injection molding, so that the terminal (1) and the carbon sheet (2) are wrapped on the base (3);
s4, shearing the connecting sheet (72), and separating the terminal (1) from the annular frame (71);
s5, riveting the pushing handle (4) with the brush (5), enabling the pushing handle (4) to be in contact with the shell (6), and enabling the connecting rod (41) to penetrate through the sliding hole (62);
s6, buckling a clamping ring (61) of the shell (6) with a protruding part (32) of the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310676942.0A CN116564634A (en) | 2023-06-08 | 2023-06-08 | Straight sliding potentiometer and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310676942.0A CN116564634A (en) | 2023-06-08 | 2023-06-08 | Straight sliding potentiometer and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116564634A true CN116564634A (en) | 2023-08-08 |
Family
ID=87494766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310676942.0A Pending CN116564634A (en) | 2023-06-08 | 2023-06-08 | Straight sliding potentiometer and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116564634A (en) |
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2023
- 2023-06-08 CN CN202310676942.0A patent/CN116564634A/en active Pending
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