CN201429426Y - Plastic-sealed straight-bar sliding encoder - Google Patents

Abstract

Plastic-sealed straight bar sliding encoder, relates to an encoder. It includes a straight bar substrate, on which at least two signal output contact pieces and at least one common contact piece are formed, and the signal output contact pieces are arranged in a straight line with conductive positions and insulating positions alternately distributed; a brush is installed facing the contact piece on the substrate, and the brush is provided with at least two metal brush claws, and at least two brush claws are in one-to-one contact with at least one contact piece and at least one common contact piece; metal terminals are installed at both ends of the substrate; both ends of each contact piece and both ends of the common contact piece are electrically connected to the terminals respectively; the brush can slide along the straight line of the substrate to change the contact between the brush claws and different conductive positions and different insulating positions of the contact piece, and generate a pulse signal with a timing sequence. It can be adapted to occasions where it is not suitable to install a rotary encoder; it has good reliability and stability.

Description

Plastic Encapsulation Straight Sliding Encoder

technical field

The utility model relates to an encoder, in particular to a straight sliding encoder.

Background technique

The conventional encoder is a rotary handle type, and the rotary handle rotates to change the contact position between the brush and the metal contact piece, and the terminal outputs a timing pulse signal.

Products such as mixers, stereos, power amplifiers, automobiles, and instruments that use encoders have new requirements for encoders. For example, their installation position and operation actions must be matched with straight-slide potentiometers. At this time, conventional rotary potentiometers Shank encoders cannot fulfill this requirement. Therefore, it is necessary to design a linear sliding encoder for linear sliding operation to supply the market.

Utility model content

The utility model aims at the above-mentioned deficiencies of the prior art and the market demand, and introduces a plastic-encapsulated straight-bar sliding encoder, which slides in a straight line and outputs time-sequenced pulse signals through the sliding terminals.

For this reason, the utility model plastic-encapsulated straight bar sliding encoder adopts the following technical scheme:

The structure of the utility model plastic-encapsulated straight-bar sliding encoder includes a straight-bar-shaped substrate, on which at least two signal output contact pieces and at least one common contact piece are formed, and the signal output contact pieces are alternately distributed by a conductive bit and an insulating bit. Arranged in a straight line; the brush is installed against the contact piece on the substrate, and at least two metal brush claws are formed on the brush, at least two of the brush claws are connected with at least one of the contact pieces and at least one common contact piece— Corresponding contact; metal terminals are installed at both ends of the substrate; the two ends of each contact piece and the two ends of the common contact piece are respectively electrically connected to the terminals; the brush can slide linearly along the substrate so that the brush claws change and The contact of different conductive positions and different insulating positions of the contact sheet generates time-sequenced pulse signals.

The above-mentioned technical scheme is further described:

The substrate is overmolded on the straight body, and the substrate is attached to the groove bottom of the body.

The body is in the shape of a long groove, and the side edge of the bottom surface of the groove of the body is formed with a plurality of bosses for mechanical enhancement along its long sides. The bosses are elongated, and the length direction of the bosses is consistent with the length direction of the body.

The body is installed in a straight bracket.

The side edge of the bottom surface of the support is formed along its long side with a wrapping surface perpendicular to the bottom surface of the support, which acts as a mechanical reinforcement, so that the support is in the shape of a long groove; a through hole is provided on the support to penetrate the The bottom surface of the bracket, the position, quantity, shape, and size of the through holes are matched with the bosses formed on the bottom surface of the groove of the body in the bracket, so that the bosses pass through the corresponding The said through hole also has the function of mechanical enhancement; the said boss also has the function of enhancing the installation stability of the utility model and the installed part.

The brush is fastened on the base of the push handle; the base of the push handle is located in the groove of the body and can slide along the groove.

The handle rod of the push handle protrudes from the straight opening of the straight shell and can slide along the opening; the opening penetrates the top surface of the shell, and the direction of the opening follows the direction of the shell. Longitudinal direction.

Or, a coil spring and a positioning bead are installed in the hole on one side of the base of the push handle, and the two ends of the coil spring are respectively against the base of the push handle and the positioning bead, and the positioning bead is also in contact with the side wall of the housing. When the push handle slides in the groove of the body, the positioning bead slides from one positioning hole to another positioning hole for positioning, and the operator has a certain hand feeling.

The push handle is sequentially padded with reeds and rubber slides, and the reeds and rubber slides are sheathed on the outer periphery of the handle rod of the push handle respectively. The inserted reed keeps the push handle in a stable state up and down when sliding in the groove of the body, so as to improve the stability of the contact between the brush claw and the contact piece. The slippery rubber sliding sheet directly contacts with the top surface of the casing, reducing the friction between the push handle and the casing during sliding, so as to make the sliding easy and free.

The shell is formed with fastening feet for fastening with the base plate, the body and the bracket and making the shell, the base plate, the body and the bracket integral.

The contact piece and the common contact piece are either printed on the substrate, or stamped on the substrate by using a metal sheet.

Compared with the prior art, the utility model has the beneficial effects as follows: firstly, the utility model adopts a straight sliding structure, which can adapt to occasions where a rotary encoder is not suitable for installation; A coil spring and a positioning bead are installed in the hole, and the two ends of the coil spring are respectively against the base of the push handle and the positioning bead, and the positioning bead is also against the positioning hole of the side wall of the housing, so that the push handle is in place When sliding in the groove of the body, the positioning bead slides from one positioning hole to another positioning hole for positioning, and makes the operator have a certain hand feeling, which improves the knowability and controllability of the operation; third, on the push handle Reeds and rubber slides are padded in turn to keep the push handle in a stable state up and down when sliding in the groove of the body, so as to improve the stability of the contact between the brush claw and the contact piece, and improve the coding The reliability and stability of the device work; it can also reduce the friction between the push handle and the shell when sliding, so that the sliding is easy and free; Fourth, the side edge of the bottom surface of the body along its long side is provided with a mechanical reinforcement effect The boss, the side edge of the bottom surface of the support along its long side is formed with a wrapping surface perpendicular to the bottom surface of the support, which acts as a mechanical reinforcement, and the support has a through hole piercing the bottom surface of the support, The anti-deformation ability of the utility model is greatly improved; fifth, the boss also has the function of enhancing the installation stability of the utility model and the installed part, and has good adaptability; sixth, the structure is simple.

Description of drawings

Fig. 1 is a structural representation of the utility model (the push handle faces up);

Fig. 2 is the structural representation of the utility model (the push handle faces down);

Figure 3 is the main diagram of the shell;

Fig. 4 is the schematic diagram of arrangement of parts of the utility model;

Fig. 5 is a schematic diagram of the body structure (relative to Fig. 4, the body is turned upwards);

Fig. 6 is a schematic diagram of the substrate (printed) structure;

Fig. 7 is a schematic diagram of the structure of the substrate (metal stamping type).

In the figure: 1. Shell, 11. Opening, 12. Fastening foot, 2. Rubber slide, 3. Reed, 4. Push handle, 5. Brush, 6. Terminal, 7. Base plate, 71. Signal output contact Sheet, 72, public contact piece, 8, body, 81, boss, 9, support, 91, envelope surface, 92, through hole, 10, positioning bead, 11, coil spring, 12, positioning hole.

Detailed ways

Below, in conjunction with accompanying drawing, introduce the specific embodiment of the present utility model.

As shown in the figure, the utility model plastic-encapsulated straight-bar sliding encoder includes a straight-shaped substrate 7, on which at least two signal output contact pieces 71 and at least one common contact piece 72 are formed, and the signal output contact piece 71 is arranged in a straight line by the distribution of the conductive bit and the insulating bit; the brush 5 is installed against the contact piece 71 on the substrate 7, and the brush 5 is formed with at least two metal brush claws, and at least two of the brush claws are connected to at least One contact piece 71 and at least one common contact piece 72 are in one-to-one contact; metal terminals 6 are installed at both ends of the substrate 7; the two ends of each contact piece 71 and the two ends of the common contact piece 72 are respectively electrically Connect the terminal 6; the brush 5 can slide linearly along the substrate 7 so that the brush claws can change the contact with different conductive positions and different insulating positions of the contact piece 71, and generate time-sequenced pulse signals.

The substrate 7 is overmolded on the straight body 8 and adhered to the groove bottom of the body 8 .

The body 8 is in the shape of a long groove, and the side edges of the bottom surface of the groove of the body 8 are formed with a plurality of bosses 81 that play a role in mechanical reinforcement along its long sides. The bosses 81 are strip-shaped, and the bosses The length direction of the platform 81 is consistent with the length direction of the body 8 .

The body 8 is installed in a straight bracket 9 .

The side edge of the bottom surface of described support 9 is shaped on its long side with the envelope surface 91 of the mechanical reinforcement function perpendicular to the bottom surface of described support 9, and described support 9 is elongated groove shape; The through hole 92 pierces through the bottom surface of the bracket 9, and the position, quantity, shape and size of the through hole 92 are matched with the boss 81 formed on the bottom surface of the groove of the body 8 in the bracket 9 , so that the boss 81 passes through the corresponding through hole 92, and the through hole 92 also has a mechanical strengthening effect; the boss 81 also has the function of enhancing the stability of the installation of the utility model and the installed part.

The brush 5 is fastened on the base of the push handle 4; the base of the push handle 4 is located in the groove of the body 8 and can slide along the groove.

The handle bar of the push handle 4 stretches out from the straight opening 11 of the straight shell 1 and can slide along the opening 11; the opening 11 penetrates the top surface of the shell 1, and the opening 11 The direction is along the length direction of the casing 1 .

Or install coil spring 11 and locating bead 10 in the hole on one side of the base of described push handle 4, the two ends of coil spring 11 respectively abut against the base of described push handle 4 and locating bead 10, and locating bead 10 also When the push handle 4 slides in the groove of the body 8, the positioning bead 10 slides from one positioning hole 12 to another positioning hole 12 for positioning. And to make the operator have a certain feel, the positioning hole 12 can also be canceled as required.

The push handle 4 is successively padded with a reed 3 and a rubber slide 2 , and the reed 3 and the rubber slide 2 are respectively sheathed on the outer circumference of the handle of the push handle 4 . The inserted reed 3 keeps the push handle 4 in a stable state up and down when sliding in the groove of the body 8 , so as to improve the stability of the contact between the brush claw 5 and the contact piece 71 . The slippery rubber sliding sheet 2 directly contacts with the top surface of the casing 1, reducing the friction between the push handle 4 and the casing 1 during sliding, so as to make the sliding easy.

The shell 1 is formed with fastening feet 12 for fastening with the base plate 7 , the body 8 and the support 9 and making the shell 1 and the base plate 7 , the body 8 and the support 9 integral.

The signal contact piece 71 and the common contact piece 72 are either printed on the substrate 7 , or stamped on the substrate 7 using a metal sheet.

The specific shapes of the uprights of the push handle 4 of the present utility model can be different, such as flat cylinder, square cylinder, other heterosexuality and the like.

The lengths of the shell 1, the base plate 7, the body 8 and the bracket 9 of the present invention can be varied in many ways.

The signal output contact pieces 71 are either two or four, etc., and the common contact piece 72 corresponds to one or two, and the timing pulse signals output from the terminal 6 are correspondingly one group or two groups or three groups, etc. .

The above descriptions are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model in any way. Those skilled in the industry can make some deformations and modifications under the enlightenment of this technical solution, such as the specific shape of the brush 5, etc. Amendments, equivalent changes and modifications all still belong to the scope of the technical solution of the present utility model.

Claims (9)

1, plastic packaging vertical bar slip scrambler, it is characterized in that: the substrate (7) that comprises the vertical bar shape, be shaped at least two barss output contact chip (71) and at least one public contact chip (72) on substrate (7), described signal output contact chip (71) is by conductive bit and the insulation shape that is arranged in a straight line that distributes alternately; Facing to the described contact chip (71) on the substrate (7) brush (5) is installed, is shaped at least two metallic brush pawls on the brush (5), at least two described brush pawls and at least one described contact chip (71) and the corresponding one by one contact of at least one public contact chip (72); Metal terminal (6) is installed at two ends at substrate (7); The two ends of the two ends of every described contact chip (71) and public contact chip (72) electrically connect described terminal (6) respectively; Brush (5) can change and the different conductive bit of described contact chip (71) and the contact of different insulative position described brush pawl along substrate (7) linear slide, produces the pulse signal that sequential is arranged.

2, plastic packaging vertical bar slip scrambler according to claim 1 is characterized in that: the plastic body of substrate (7) (8) in the vertical bar shape, and fit in the bottom land of described body (8).

3, plastic packaging vertical bar slip scrambler according to claim 2, it is characterized in that: described body (8) is long groove shape; The lateral margin of the groove bottom of described body (8) has been shaped on a plurality of boss (81) of mechanics humidification along its long limit, described boss (81) is strip, and the length direction of described boss (81) is consistent with the length direction of described body (8).

4, plastic packaging vertical bar slip scrambler according to claim 2, it is characterized in that: described body (8) is installed in the vertical bar shape support (9).

5, plastic packaging vertical bar slip scrambler according to claim 4, it is characterized in that: the lateral margin of the bottom surface of described support (9) is shaped on the envelope (91) that play mechanics humidification vertical with the bottom surface of described support (9) along its long limit, makes described support (9) be long groove shape; Have through hole (92) on the described support (9) and pierce the bottom surface of described support (9), position, quantity, shape and the size of described through hole (92) and be positioned at the described boss 81 that the groove bottom of the described body (8) among the described support (9) is shaped on and be complementary makes described boss (81) pass corresponding described through hole (92).

6, plastic packaging vertical bar slip scrambler according to claim 1 is characterized in that: the fastening base that pushes away handle (4) that is installed in of brush (5); The described base that pushes away handle (4) is arranged in the groove of described body (8) and can slides along its groove.

7, plastic packaging vertical bar slip scrambler according to claim 6, it is characterized in that: the described handle bar that pushes away handle (4) stretches out from the vertical bar shape opening (11) of vertical bar shape shell (1) and can slide along described opening (11), described opening (11) pierces the end face of described shell (1), and the trend of described opening (11) is along the length direction of described shell (1); Perhaps, in the hole of a side of the described base that pushes away handle (4), volute spring (110) and positioning bead (10) are installed, the two ends of volute spring (110) offset with described base and the positioning bead (10) that pushes away handle (4) respectively, positioning bead (10) also offsets with the pilot hole (120) of the sidewall of described shell (1), make describedly when pushing away handle (4) and sliding in the groove of described body (8), positioning bead (10) is slipped to another pilot hole (120) and locatees from a certain pilot hole (120).

8, plastic packaging vertical bar slip scrambler according to claim 6 is characterized in that: described pushing away is lined with reed (3) and glue slide plate (2) successively on the handle (4), and reed (3) and glue slide plate (2) overlap respectively and be through at week outside the described handle bar that pushes away handle (4).

9, plastic packaging vertical bar slip scrambler according to claim 7 is characterized in that: be shaped on the described shell (1) and be used for substrate (7), body (8) and support (9) is fastening and make shell (1) and substrate (7), body (8) and support (9) become whole fastening pin (12).

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