Duplex angular displacement potentiometer with switch

Abstract

The duplex angular displacement potentiometer comprises a shell, a rotating shaft, a detection assembly and a switch assembly, the rotating shaft comprises an outer rotating shaft and an inner rotating shaft, the outer rotating shaft penetrates through a corresponding through hole of the shell, the outer end of the outer rotating shaft is located outside the shell, and the inner end of the outer rotating shaft is located in the shell; the outer rotating shaft is provided with an axially-through central through hole, the inner rotating shaft penetrates through the central through hole, the number of the detection assemblies and the number of the switch assemblies are both two, one detection assembly and one switch assembly which are installed in the shell are connected with the outer rotating shaft, and the other detection assembly and the other switch assembly which are installed in the shell are connected with the inner rotating shaft. According to the angular displacement potentiometer, the two detection assemblies and the two switch assemblies are integrated on one angular displacement potentiometer, the double control function can be achieved, and the angular displacement potentiometer has the advantages of being small in occupied space, high in integration degree and capable of reducing cost in a system needing multiple control functions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of switch angular displacement potentiometers, especially a kind of doublet with switch angular displacement potentiometers. BACKGROUND

[0002] Switch angular displacement potentiometer is a kind of potentiometer with angular displacement detection function and switch control function, because it has multiple functions in one potentiometer, it is used in specific application, compared with using two potentiometers, it has the advantages of small space occupation, high integration, cost saving, etc., for example, the utility model patent with the patent number of "ZL 202321802630.1" and the name of "switch starting torque adjustable glass glaze angular displacement with switch", and the utility model patent with the patent number of "ZL202221159158.X" and the name of "metal glass glaze angular displacement potentiometer based on high-precision, long-life switch" all involve switch angular displacement potentiometer.

[0003] Traditional switch angular displacement potentiometer is single-link structure, that is, a potentiometer has only one detection component for detecting angular displacement and one switch component for controlling switch, in the system requiring multiple control functions, multiple switch angular displacement potentiometers are needed to meet the requirements, which has the defects of large space occupation, low integration and increased cost; in addition, the structure for switch control feel adjustment of traditional switch angular displacement potentiometer does not have switch starting position adjustment function, for example, in the utility model patent with the patent number of "ZL 202321802630.1" and the name of "switch starting torque adjustable glass glaze angular displacement with switch", the ball screw cooperates with the partition strip in the circular groove on the shaft to realize the function of switch control feel adjustment (i.e. switch starting torque adjustment), the relative position between the ball screw and the partition strip on the shaft is fixed after the related components are processed, that is, it no longer has the function of switch starting position adjustment, which is not conducive to changing the switch starting position according to the actual needs of different users in the final assembly process of production, so its application is limited; in addition, the switch control structure of traditional switch angular displacement potentiometer either does not realize switch function through contact between brush and conductive strip or does not have signal feedback function when disconnected, which has application limitations. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a doublet switch angular displacement potentiometer integrated with two detection components and two switch components to solve the above problems.

[0005] The utility model realizes the above-mentioned purposes through the following technical solutions:

[0006] The application discloses a double-twin type angular displacement potentiometer with switch, which comprises a shell, a rotating shaft, a detection assembly and a switch assembly. The rotating shaft comprises an outer rotating shaft and an inner rotating shaft. The outer rotating shaft passes through a corresponding through hole of the shell. The outer end of the outer rotating shaft is located outside the shell, and the inner end is located inside the shell. The outer rotating shaft is provided with a center through hole penetrating in the axial direction, and the inner rotating shaft passes through the center through hole. The detection assembly and the switch assembly are both two. One detection assembly and one switch assembly installed in the shell are connected with the outer rotating shaft respectively, and the other detection assembly and the other switch assembly installed in the shell are connected with the inner rotating shaft respectively.

[0007] As preferred, in order to make the inner rotating shaft have more reliable support and guide functions, a guide sleeve is sleeved on the inner rotating shaft near the inner end of the outer rotating shaft. The outer wall of the guide sleeve is connected with the corresponding inner wall of the shell.

[0008] As preferred, in order to make the switch starting torque of the switch assembly have an adjustable function, and make the switch starting position of the switch assembly adjustable, the double-twin type angular displacement potentiometer with switch further comprises two switch torque adjusting assemblies. Each switch torque adjusting assembly comprises a glass bead screw, a switch torque sleeve and a locking screw. The outer wall of the switch torque sleeve is provided with a convex strip protruding outward and parallel to the axial direction of the switch torque sleeve. The axial direction of the glass bead screw is perpendicular to the axial direction of the switch torque sleeve. The switch torque sleeve of one of the switch torque adjusting assemblies is sleeved on the inner rotating shaft through the center through hole thereof. The pipe wall of the switch torque sleeve is provided with a radial screw hole, and the corresponding locking screw is installed in the radial screw hole and tightly presses the outer wall of the inner rotating shaft. The glass bead screw of the switch torque adjusting assembly is connected with the corresponding screw hole on the shell, and the ball of the glass bead screw is close to the outer wall of the switch torque sleeve. The switch torque sleeve of the other switch torque adjusting assembly is sleeved on the outer rotating shaft through the center through hole thereof. The pipe wall of the switch torque sleeve is provided with a radial screw hole, and the corresponding locking screw is installed in the radial screw hole and tightly presses the outer wall of the outer rotating shaft. The glass bead screw of the switch torque adjusting assembly is connected with the corresponding screw hole on the shell, and the ball of the glass bead screw is close to the outer wall of the switch torque sleeve.

[0009] As preferred, in order to make the switch torque sleeve and the corresponding inner rotating shaft or outer rotating shaft have better rotation stopping effect, one or more concave planes are arranged on the outer wall of the inner rotating shaft and the outer wall of the outer rotating shaft corresponding to the switch torque sleeve, and the plane is filled with sealant between the inner wall of the switch torque sleeve.

[0010] As a preferred, in order to better achieve the angular displacement detection function and switch control function, the detection assembly includes a resistor body, a detection insulating sleeve, a detection reed and a detection brush, the resistor body is installed on the corresponding inner wall of the shell, the detection insulating sleeve is sleeved outside the outer rotating shaft or the inner rotating shaft, the detection reed is installed on the corresponding detection insulating sleeve, and the detection brush is installed on the corresponding detection reed and contacts the working band on the corresponding resistor body; the switch assembly includes a switch printed board, a switch insulating sleeve, a switch reed and a switch brush, the switch printed board is installed on the corresponding inner wall of the shell, the switch insulating sleeve is sleeved outside the outer rotating shaft or the inner rotating shaft, the switch reed is installed on the corresponding switch insulating sleeve, and the switch brush is installed on the corresponding switch reed and contacts the conductive band on the corresponding switch printed board.

[0011] As a preferred, in order to better achieve the angular displacement detection function and switch control function, the detection assembly includes a resistor body, a detection insulating sleeve, a detection reed and a detection brush, the resistor body is installed on the corresponding inner wall of the shell, the detection insulating sleeve is sleeved outside the outer rotating shaft or the inner rotating shaft, the detection reed is installed on the corresponding detection insulating sleeve, and the detection brush is installed on the corresponding detection reed and contacts the working band on the corresponding resistor body; the switch assembly includes a switch printed board, a switch insulating sleeve, a switch reed and a switch brush, the switch printed board is installed on the corresponding inner wall of the shell, the switch insulating sleeve is sleeved outside the outer rotating shaft or the inner rotating shaft, the switch reed is installed on the corresponding switch insulating sleeve, and the switch brush is installed on the corresponding switch reed and contacts the conductive band on the corresponding switch printed board.

[0012] As a preferred, in order to facilitate processing and assembly, the shell includes a first end shell, a second end shell and a plurality of middle shells connected with each other, a plurality of the middle shells are connected end to end with each other and located between the first end shell and the second end shell, and the outer rotating shaft passes through the corresponding through hole of the second end shell. The number, position and connection with other components of the middle shell are determined according to actual needs.

[0013] As preferred, in order to realize better reliable support and guiding function for the outer rotating shaft, the middle part of the second end shell is protruded to form a guiding sleeve in the direction away from the first end shell and the outer rotating shaft passes through the central through hole of the guiding sleeve, a shaft sleeve is installed between the inner wall of the guiding sleeve and the outer wall of the outer rotating shaft, and the outer wall of the guiding sleeve is provided with external threads and is sleeved with a locking sleeve.

[0014] The double linkage type angular displacement potentiometer with switches has the advantages that:

[0015] The double linkage type angular displacement potentiometer with switches has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view of the double linkage type angular displacement potentiometer with switches;

[0017] Figure 2 is a front view of the double linkage type angular displacement potentiometer with switches;

[0018] Figure 3 is a front view of the double linkage type angular displacement potentiometer with switches;

[0019] Figure 4 is a front view of the double linkage type angular displacement potentiometer with switches;

[0020] Figure 5 is a front view of the double linkage type angular displacement potentiometer with switches;

[0021] Figure 6 is a front view of the double linkage type angular displacement potentiometer with switches. DETAILED DESCRIPTION

[0022] The utility model makes further illustration in combination with the drawings:

[0023] As Figures 1-6 The utility model discloses a duplex formula area displacement potentiometer with switch includes shell (referring to the following first end shell 1, second end shell 9 and a plurality of middle shell 4), pivot, detection subassembly 8 and switch subassembly 2, the pivot includes outer pivot 11 and inner pivot 12, and outer pivot 11 passes through the corresponding through -hole of shell, and the outer end of outer pivot 11 is located in the shell, and the inner end is located in the shell, and outer pivot 11 is equipped with the center through -hole 16 of axial penetration and inner pivot 12 passes through this center through -hole 16, and detection subassembly 8 and switch subassembly 2 are two, and one detection subassembly 8 and one switch subassembly 2 installed in the shell are connected with outer pivot 11 respectively, and another detection subassembly 8 and another switch subassembly 2 installed in the shell are connected with inner pivot 12 respectively.

[0024] As Figures 1-6 The utility model discloses a duplex formula area displacement potentiometer with switch includes shell (referring to the following first end shell 1, second end shell 9 and a plurality of middle shell 4), pivot, detection subassembly 8 and switch subassembly 2, the pivot includes outer pivot 11 and inner pivot 12, and outer pivot 11 passes through the corresponding through -hole of shell, and the outer end of outer pivot 11 is located in the shell, and the inner end is located in the shell, and outer pivot 11 is equipped with the center through -hole 16 of axial penetration and inner pivot 12 passes through this center through -hole 16, and detection subassembly 8 and switch subassembly 2 are two, and one detection subassembly 8 and one switch subassembly 2 installed in the shell are connected with outer pivot 11 respectively, and another detection subassembly 8 and another switch subassembly 2 installed in the shell are connected with inner pivot 12 respectively.

[0025] In order to make inner pivot 12 have more reliable support and guide function, the position of inner pivot 12 close to the inner end of outer pivot 11 is equipped with guide shaft sleeve 7, and the outer wall of guide shaft sleeve 7 is connected with the corresponding inner wall of shell.

[0026] In order to make the switch starting torque size of switch subassembly 2 have adjustable function, simultaneously make the switch starting position adjustable function of switch subassembly 2, the duplex formula area displacement potentiometer with switch still includes two switch torque adjusting subassembly, and each switch torque adjusting subassembly includes a glass bead screw 3, a switch torque sleeve 5 and a locking screw 6, and the outer wall of switch torque sleeve 5 is equipped with the convex strip 51 of the length direction parallel with the axial direction of switch torque sleeve 5 and the outer convex, and the axial direction of glass bead screw 3 is perpendicular to the axial direction of switch torque sleeve 5;The switch torque sleeve 5 of one switch torque adjusting subassembly is sleeved on inner pivot 12 through the center through -hole, and the pipe wall of this switch torque sleeve 5 is equipped with radial screw hole 52, and the corresponding locking screw 6 is installed in radial screw hole 52 and tightly presses the outer wall of inner pivot 12, and the glass bead screw 3 of this switch torque adjusting subassembly is connected with the corresponding screw hole on shell and its ball is close to the outer wall of this switch torque sleeve 5;The switch torque sleeve 5 of another switch torque adjusting subassembly is sleeved on outer pivot 11 through the center through -hole, and the pipe wall of this switch torque sleeve 5 is equipped with radial screw hole 52, and the corresponding locking screw 6 is installed in radial screw hole 52 and tightly presses the outer wall of outer pivot 11, and the glass bead screw 3 of this switch torque adjusting subassembly is connected with the corresponding screw hole on shell and its ball is close to the outer wall of this switch torque sleeve 5.

[0027] In order to have better rotation-stopping effect between the switch torque sleeve 5 and the corresponding inner rotating shaft 12 or outer rotating shaft 11, one or more concave planes 14 (the plane 14 on the inner rotating shaft 12 is shown in the figure) are provided on the outer wall of the inner rotating shaft 12 and the outer wall of the outer rotating shaft 11 at positions corresponding to the switch torque sleeve 5, and the plane 14 is filled with sealant between the inner wall of the corresponding switch torque sleeve 5.

[0028] In order to better realize the angular displacement detection function and the switch control function, the detection assembly 8 includes a resistance body 83, a detection insulating sleeve 81, a detection reed 82 and a detection brush 84, the resistance body 83 is installed on the corresponding inner wall of the shell, the detection insulating sleeve 81 is sleeved outside the outer rotating shaft 11 or the inner rotating shaft 12, the detection reed 82 is installed on the corresponding detection insulating sleeve 81, and the detection brush 84 is installed on the corresponding detection reed 82 and contacts the working band on the corresponding resistance body 83; the switch assembly 2 includes a switch printed board 22, a switch insulating sleeve 23, a switch reed 21 and a switch brush (the area is very small, so it is not marked in the figure), the switch printed board 22 is installed on the corresponding inner wall of the shell, the switch insulating sleeve 23 is sleeved outside the outer rotating shaft 11 or the inner rotating shaft 12, the switch reed 21 is installed on the corresponding switch insulating sleeve 23, and the switch brush is installed on the corresponding switch reed 21 and contacts the conductive band on the corresponding switch printed board 22.

[0029] In order to realize the switch function by the contact between the switch brush and the conductive band so as to be better integrated with the conductive plastic angular displacement potentiometer, and in order to realize the signal feedback function by the output signal when the switch is turned off, the conductive band on the switch printed board 22 includes a circular and closed inner conductive band 222, a circular and open outer conductive band 221 and a block conductive band 225 (here, the block is mainly to indicate that the area is small, and according to needs, it can be square, circular, arc-shaped, etc., and the arc-shaped is shown in the figure), the first wiring end 224, the second wiring end 227 and the third wiring end 226 are provided on the switch printed board 22 at positions outside the outer conductive band 221, the inner conductive band 222 is connected with the first wiring end 224 through the connection conductive band 223 passing through the opening of the outer conductive band 221, the outer conductive band 221 is connected with the second wiring end 227, the block conductive band 225 is located in the opening of the outer conductive band 221 and does not contact the inner conductive band 222, the connection conductive band 223 and the outer conductive band 221 and is located on the same circumference of the outer conductive band 221, the block conductive band 225 is connected with the third wiring end 226, and two switch brushes are respectively installed on the corresponding same switch reed 21, one of the switch brushes is always in contact with the corresponding inner conductive band 222 during the rotation of the switch insulating sleeve 23, and the other switch brush is in contact with the outer conductive band 221 or the block conductive band 225 during the rotation of the switch insulating sleeve 23.

[0030] In order to facilitate processing and assembly, the shell comprises a first end shell 1, a second end shell 9 and a plurality of (four in the figure) middle shells 4 connected to each other, the plurality of middle shells 4 are connected head to tail to each other and located between the first end shell 1 and the second end shell 9, and the outer rotating shaft 11 passes through the corresponding through hole of the second end shell 9. The number, position and connection with other components of the middle shell 4 are determined according to actual needs.

[0031] In order to achieve better reliable support and guiding function for the outer rotating shaft 11, the middle part of the second end shell 9 is protruded away from the first end shell 1 to form a guide sleeve (not marked in the figure) and the outer rotating shaft 11 passes through the central through hole of the guide sleeve, a shaft sleeve (not marked in the figure) is installed between the inner wall of the guide sleeve and the outer wall of the outer rotating shaft 11, and the outer wall of the guide sleeve is provided with external threads and sleeved with the locking sleeve 10.

[0032] Figure 3 It is also shown that the flat section 13 provided at one end of the inner rotating shaft 12 is used to achieve anti-rotation connection with the corresponding switch insulating sleeve 23, and the plurality of annular grooves 15 provided on the outer wall of the inner rotating shaft 12 are used to install O-shaped sealing rings, which are all conventional adaptive structures.

[0033] As shown in Figures 1-6 When in use, the double-connection type angle displacement potentiometer with switch is installed on the corresponding components of the system such as the control panel, the power supply lines and signal lines of the two detection assemblies and the two switch assemblies are connected with the external equipment, wherein the first wiring end 224 and the third wiring end 226 are connected in series on the line which needs to be controlled by the switch, the first wiring end 224 is connected with the corresponding signal source and the second wiring end 227 is connected with the switch open feedback signal output end; the user performs angle displacement detection and switch control on the associated equipment through the outer rotating shaft 11 and the inner rotating shaft 12 respectively and the outer rotating shaft 11 and the inner rotating shaft 12 are independent of each other; in the switch control process, when the outer rotating shaft 11 and the inner rotating shaft 12 drive the corresponding switch insulating sleeve 23, switch spring leaf 21 and switch brush to rotate, the switch brushes contact and slide on the inner conductive band 222 and the outer conductive band 221 respectively, at this time, the switch is in the connected state, when the corresponding switch brush is disconnected with the outer conductive band 221 and connected with the block-shaped conductive band 225, the switch is in the disconnected state, at this time, the signal of the first wiring end 224 is output through the third wiring end 226 to output the switch open feedback signal, at the same time, the convex strip of the convex strip 51 on the switch torque sleeve 5 is in contact with the ball of the corresponding ball screw 3, a resistance increasing hand feeling and collision sound are generated, prompting the user that the switch is switched from open to close at this time.

[0034] The above embodiments are only preferred embodiments of the present application, and are not a limitation on the technical solutions of the present application. Any technical solutions that can be realized on the basis of the above embodiments without creative labor should be considered to fall within the scope of protection of the present application.

Claims

1. A dual type potentiometer with switch and angular displacement, comprising a housing, a rotating shaft, a detection assembly and a switch assembly, characterized in that: The rotating shaft comprises an outer rotating shaft and an inner rotating shaft, the outer rotating shaft passes through the corresponding through hole of the outer shell, the outer end of the outer rotating shaft is located outside the outer shell and the inner end is located inside the outer shell, the outer rotating shaft is provided with a central through hole penetrating in the axial direction and the inner rotating shaft passes through the central through hole, the detection assembly and the switch assembly are both two, one detection assembly and one switch assembly installed in the outer shell are connected with the outer rotating shaft respectively, and the other detection assembly and the other switch assembly installed in the outer shell are connected with the inner rotating shaft respectively.

2. The dual gang switchable angular displacement potentiometer of claim 1, wherein: The inner rotating shaft is provided with a guide sleeve at the position close to the inner end of the outer rotating shaft, and the outer wall of the guide sleeve is connected with the corresponding inner wall of the outer shell.

3. A dual gang switchable angular displacement potentiometer according to claim 1 or 2, characterised in that: The double connection type angle displacement potentiometer with switch further comprises two switch torque adjusting assemblies, each of the switch torque adjusting assemblies comprises a ball screw, a switch torque sleeve and a locking screw, the outer wall of the switch torque sleeve is provided with a convex strip protruding outward and parallel to the axial direction of the switch torque sleeve in length direction, and the axial direction of the ball screw is perpendicular to the axial direction of the switch torque sleeve; the switch torque sleeve of one of the switch torque adjusting assemblies is sleeved on the inner rotating shaft through the central through hole thereof, the pipe wall of the switch torque sleeve is provided with a radial screw hole, the corresponding locking screw is installed in the radial screw hole and tightly presses the outer wall of the inner rotating shaft, the ball screw of the switch torque adjusting assembly is connected with the corresponding screw hole on the outer shell and the ball thereof is close to the outer wall of the switch torque sleeve; the switch torque sleeve of the other of the switch torque adjusting assemblies is sleeved on the outer rotating shaft through the central through hole thereof, the pipe wall of the switch torque sleeve is provided with a radial screw hole, the corresponding locking screw is installed in the radial screw hole and tightly presses the outer wall of the outer rotating shaft, and the ball screw of the switch torque adjusting assembly is connected with the corresponding screw hole on the outer shell and the ball thereof is close to the outer wall of the switch torque sleeve.

4. The dual gang switchable angular displacement potentiometer of claim 3, wherein: The outer wall of the inner rotating shaft and the outer wall of the outer rotating shaft are provided with one or more concave planes at positions corresponding to the switch torque sleeves, and the planes are filled with sealant between the inner walls of the corresponding switch torque sleeves.

5. The dual gang switchable angular displacement potentiometer of claim 1 or 2, wherein: The detection assembly comprises a resistance body, a detection insulating sleeve, a detection reed and a detection brush, the resistance body is installed on the corresponding inner wall of the outer shell, the detection insulating sleeve is sleeved outside the outer rotating shaft or the inner rotating shaft, the detection reed is installed on the corresponding detection insulating sleeve, and the detection brush is installed on the corresponding detection reed and contacts the working band on the corresponding resistance body; the switch assembly comprises a switch printed board, a switch insulating sleeve, a switch reed and a switch brush, the switch printed board is installed on the corresponding inner wall of the outer shell, the switch insulating sleeve is sleeved outside the outer rotating shaft or the inner rotating shaft, the switch reed is installed on the corresponding switch insulating sleeve, and the switch brush is installed on the corresponding switch reed and contacts the conductive band on the corresponding switch printed board.

6. The dual gang switchable angular displacement potentiometer of claim 5, wherein: The conductive band on the switch printed board comprises a circular and closed inner conductive band, a circular and open outer conductive band and a block conductive band, the switch printed board is provided with a first connecting terminal, a second connecting terminal and a third connecting terminal outside the outer conductive band, the inner conductive band is connected with the first connecting terminal through a connecting conductive band passing through the opening of the outer conductive band, the outer conductive band is connected with the second connecting terminal, the block conductive band is located in the opening of the outer conductive band and does not contact with the inner conductive band, the connecting conductive band and the outer conductive band and is located on the same circle with the outer conductive band, the block conductive band is connected with the third connecting terminal, two switch brushes are respectively installed on the corresponding same switch reed, one of the switch brushes is always in contact with the corresponding inner conductive band during the rotation of the switch insulating sleeve, and the other switch brush is in contact with the outer conductive band or the block conductive band during the rotation of the switch insulating sleeve.

7. The dual gang switchable angular displacement potentiometer of claim 1 or 2, wherein: The shell comprises a first end shell, a second end shell and a plurality of middle shells connected with each other, the plurality of middle shells are connected head to tail with each other and located between the first end shell and the second end shell, and the outer rotating shaft passes through the corresponding through hole of the second end shell.

8. The dual gang switchable angular displacement potentiometer of claim 7, wherein: The middle part of the second end shell is protruded away from the first end shell to form a guide sleeve and the outer rotating shaft passes through the center through hole of the guide sleeve, a shaft sleeve is installed between the inner wall of the guide sleeve and the outer wall of the outer rotating shaft, and the outer wall of the guide sleeve is provided with an outer thread and sleeved with a locking sleeve.

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