Direct-belted track motor potentiometer

Abstract

The utility model discloses a straight slide rail motor potentiometer, a straight slide rail motor potentiometer, including concave support, is equipped with the push handle in the chute that has been seted up with the chute on the concave support, the first shell and the second shell that are buckled are equipped with the first side wall of first shell's both sides to the second shell, the second side wall that is matched corresponding with the first side wall is equipped with second shell's both sides, and the second side wall covers the first side wall outside, and the bottom of second shell is equipped with the bottom plate to the first shell, and the end of bottom plate away from second shell is set up on the first shell, and the both sides of first shell top are equipped with the connecting seat to the second shell, and the top of first shell is equipped with the bending top edge that is inwards convex, and the bending top edge sets up between both sides connecting seat, and the bottom of bending top edge downward bending is equipped with the baffle that extends to the second shell.

Description

Technical Field

[0001] This utility model relates to the field of potentiometer technology, and in particular to the structural design of a straight-sliding sealed rail motor potentiometer. Background Technology

[0002] In mixing consoles, stage lighting control equipment, and other fields, potentiometers, as important components for regulating voltage and current, are widely used in various electronic devices. Existing motor-driven potentiometers are widely used in mixing consoles, stage lighting control equipment, and other fields. Their main function is to adjust the resistance value through a motor-driven transmission device to meet the functional requirements of the entire machine. However, existing technology has the following defects and shortcomings: Traditional motor-driven potentiometer structures have many deficiencies: poor sealing, making them susceptible to external debris or liquid intrusion, affecting product function and lifespan; the sliding base and guide rail mating structure uses a round hole design, resulting in significant mechanical impact and friction noise during sliding, leading to high friction, mechanical noise, and inflexible operation; the push handle is prone to wobbling or misalignment, affecting operational accuracy. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a linear sliding potentiometer with a rail motor, which has low friction during the sliding process of the push handle, smooth feel, no obvious mechanical noise, and good sealing performance, thereby improving product stability.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A linear sliding track motor potentiometer includes a concave bracket with a sliding groove and a push handle in the groove. Below the concave bracket are a first housing and a second housing that are fastened together. The first housing has first sidewalls facing the second housing on both sides, and the second housing has second sidewalls that match the first sidewalls on both sides. The second sidewalls cover the outside of the first sidewalls. The bottom end of the second housing has a bottom plate facing the first housing, and the end of the bottom plate away from the second housing abuts against the first housing. The top of the first outer shell has two connecting seats facing the second outer shell. The top of the first outer shell has a bent top edge that protrudes inward and bends downward. The bent top edge is located between the two connecting seats. The bottom end of the bent top edge that bends downward is provided with a baffle extending towards the second outer shell. The top of the second housing is provided with a top insert plate that matches the baffle. The top insert plate is embedded between the connecting seats on both sides of the first housing. The surface of the top insert plate is flush with the surface of the connecting seat, and the inner end of the top insert plate is located above the inner end of the baffle.

[0005] Furthermore, in one embodiment, the inner end of the top insert plate is flush with the inner end of the baffle, or a small portion of the inner end of the top insert plate overlaps the inner end of the baffle. A longitudinal interval D2 is provided between the inner end of the top insert plate and the inner end of the baffle, forming a longitudinal groove; a transverse interval D1 is provided between the inner end of the top insert plate and the inner side of the bent top edge, forming a transverse groove, and the transverse groove of the transverse interval D1 is parallel and adjacent to the groove.

[0006] Furthermore, in one embodiment, the push handle includes an upper handle section, a bent handle section, and a lower handle section connected in sequence by metal materials. The lower end of the upper handle section is provided with a bent handle section that extends downwards, and the end of the bent handle section away from the upper handle section is provided with a lower handle section that extends downwards. The upper handle section and the lower handle section are arranged parallel to each other, and the lower part of the lower handle section is embedded in the sliding seat. The upper section of the handle is set in the horizontal interval D1, the bent section of the handle is set in the vertical interval D2, and the lower section of the handle extends downward after passing the inner end of the baffle.

[0007] Furthermore, in one embodiment, a groove is provided on the sliding seat, and the groove is connected through to the lower section of the handle. A grounding plate is provided on the side of the sliding seat facing the first housing. The grounding plate is disposed on the edge of the groove on the sliding seat, and the other end of the grounding plate is inserted into the groove and connected to the lower section of the handle. A second brush is stacked on the grounding plate, and the second brush is disposed adjacent to the grounding plate. The terminals of the second brush are elastically abutted against the carbon sheet.

[0008] Furthermore, in one embodiment, a guide rail is provided in the cavity where the first outer shell and the second outer shell are fastened together. The two ends of the guide rail are disposed on the first side walls on both sides of the first outer shell. A retaining groove for fixing the guide rail is provided on the first side wall, and the end of the guide rail is engaged in the retaining groove. Two parallel guide rails are provided between the first side walls on both sides; The first side wall is provided with an outwardly protruding hook, and the second side wall is provided with a corresponding slot that matches the hook, with the hook and buckle set in the slot. Washers are provided at both ends of the guide rail. The washers on the guide rail are located close to the inner side of the first side wall of the first housing, and the washers are located adjacent to the inner side of the first side wall.

[0009] Furthermore, in one embodiment, a first pulley and a second pulley are respectively provided at both ends of the concave bracket, and the first pulley and the second pulley are connected by belt drive; a motor seat is provided below the first pulley, the motor seat is disposed on the concave bracket, a motor is disposed below the motor seat, and the first pulley is disposed on the motor output shaft; The push handle is embedded in the groove of the concave bracket, and the belt is embedded in the groove of the concave bracket. The belt is connected to the push handle through the belt fixing seat.

[0010] Furthermore, in one embodiment, a carbon sheet is provided in the cavity where the first outer shell and the second outer shell are fastened together. The carbon sheet is disposed inside the first outer shell and is arranged parallel to the inner wall of the first outer shell. A downwardly extending tongue plate is provided at the end of the carbon sheet near the motor. The bottom plate has a clearance opening at one end near the first outer shell that matches the tongue plate. The tongue plate extends out of the bottom plate after passing through the clearance opening. A socket is provided under the cavity where the first outer shell and the second outer shell are fastened together. The socket is located on the tongue plate.

[0011] Furthermore, in one embodiment, a T-shaped slot is provided on the push handle, and a belt fixing seat is embedded in the T-shaped slot on the push handle, and the belt fixing seat on the push handle is engaged with the belt. A sliding seat is provided below the push handle, and the push handle is fixedly connected to the sliding seat. The lower part of the push handle is embedded in the sliding seat. The sliding seat is sleeved on the guide rail, which is cylindrical. The sliding seat has a sliding hole that matches the guide rail. The sliding hole of the sliding seat is a heptagonal hole, and the heptagonal hole of the sliding seat is set to match the guide rail.

[0012] Furthermore, in one embodiment, a first brush is installed on the side of the sliding seat near the carbon sheet, and the terminals of the first brush are elastically abutting against the carbon sheet; The lower section of the push handle has protrusions that are riveted to the grounding plate.

[0013] This utility model adopts a heptagonal hole structure for the mating hole between the sliding seat and the guide rail to reduce friction and sliding noise; the outer shells on both sides adopt a snap-fit ​​structure, which achieves a sealing effect and effectively prevents liquid and dust from entering; the slot design simplifies the process, increases assembly efficiency, and reduces labor costs; silicone gaskets are added to the end points on both sides of the guide rail to reduce mechanical impact noise on both sides of the slide; the push handle is set in the groove of the concave bracket, the belt is embedded in the groove of the concave bracket, and the belt fixing seat on the push handle engages with the belt, making it less likely for the push handle to swing or deviate, thus improving operating accuracy. Attached Figure Description

[0014] Figure 1 This is a perspective view of an embodiment of this application; Figure 2 This is a schematic diagram of the push handle portion in an embodiment of this application; Figure 3 This is an exploded view of an embodiment of this application; Figure 4 This is a cross-sectional schematic diagram of an embodiment of this application; Figure 5 This is a cross-sectional schematic diagram of the shell portion according to an embodiment of this application; Figure 6 This is a cross-sectional view of the push handle portion in an embodiment of this application; Figure 7This is a perspective view of the housing portion according to an embodiment of this application; Figure 8 This is a schematic diagram of the structure of the first outer shell portion in an embodiment of this application.

[0015] Explanation of reference numerals in the attached figures: 11. Concave bracket, 12. Slide groove, 13. First housing, 14. Second housing, 15. Belt, 16. First pulley, 17. Second pulley, 18. Motor seat, 19. Carbon sheet, 21. Tongue plate, 22. Socket, 23. Grounding plate, 24. First brush, 25. Guide rail, 26. Push handle, 27. T-shaped slot, 28. Sliding seat, 29. Belt fixing seat, 31. Washer, 32. Second brush, 33. Upper section of handle, 35. Bent section of handle, 36. Lower section of handle, 37. Heptagonal hole, 38. Groove, 39. Top plate, 41. Bottom plate, 42. Bent top edge, 43. Baffle, 44. Connecting seat, 46. First side wall, 47. Second side wall, 48. Hook, 51. Slot, 52. Clearance opening, 53. Shaft groove, 54. Detailed Implementation

[0016] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments.

[0017] In the description of this specification, the terms "connection", "installation", "fixing", "setting", "having", "front", "upper", etc. are interpreted broadly. For example, "connection" can be a fixed connection or an indirect connection through an intermediate component without affecting the relationship between components and the technical effect. It can also be an integral connection or a partial connection. In cases like this, those skilled in the art can understand the specific meaning of the above terms in this utility model or utility model according to the specific circumstances.

[0018] See appendix Figure 3 As shown, attached Figure 3 The three-dimensional structure of this application is shown in the figure; this application includes a concave bracket 11, on which a groove 12 is provided for guiding the linear movement of the push handle 27 (metal material), and a first outer shell 13 and a second outer shell 14 are provided below the concave bracket 11 for fastening.

[0019] Furthermore, in one embodiment, see Appendix Figure 7 As shown, attached Figure 7The image shows the housing structure of this application; the first outer shell 13 has first sidewalls 47 extending inward toward the second outer shell 14 on both sides, and the first sidewalls 47 have locking grooves 54 for fixing guide rails 26, with the ends of the guide rails 26 locked in the locking grooves 54; preferably, two parallel guide rails 26 are provided between the two first sidewalls 47; the first sidewalls 47 have outwardly protruding hooks 51. The second outer shell 14 has second sidewalls 48 extending inward toward the first outer shell 13 on both sides, that is, the second outer shell 14 has second sidewalls 48 that match the first sidewalls 47 on both sides, the second sidewalls 48 cover the outside of the first sidewalls 47, and the second sidewalls 48 have locking grooves 52 that match the hooks 51, with the hooks 51 snapping into the locking grooves 52; the bottom of the second outer shell 14 has a bottom plate 42 facing the first outer shell 13, with the end of the bottom plate 42 away from the second outer shell 14 abutting against the first outer shell 13.

[0020] The top of the first outer shell 13 has two connecting seats 46 facing the second outer shell 14 on both sides. The top of the first outer shell 13 has an inwardly protruding and downwardly bent top edge 43, which is located between the two connecting seats 46. The bottom end of the downwardly bent top edge 43 has a baffle 44 extending towards the second outer shell 14. The top of the second outer shell 14 has a top insert plate 41 that matches the baffle 44. The top insert plate 41 is embedded between the two connecting seats 46 on both sides of the first outer shell 13. The surface of the top insert plate 41 is flush with the surface of the connecting seat 46. The inner end of the top insert plate 41 (the end of the top insert plate 41 facing the first outer shell 13) is located above the inner end of the baffle 44 (the end of the baffle 44 facing the second outer shell 14).

[0021] The inner end of the top insert plate 41 is flush with the inner end of the baffle 44, or the inner end of the top insert plate 41 overlaps the inner end of the baffle 44, that is, the inner end of the top insert plate 41 extends and passes over the inner end of the baffle 44; a longitudinal interval D2 is provided between the inner end of the top insert plate 41 and the inner end of the baffle 44 (vertically), forming a longitudinal groove. A transverse interval D1 is provided between the inner end of the top insert plate 41 and the inner side of the bent top edge 43, forming a transverse groove, and the transverse groove of the transverse interval D1 is parallel and adjacent to the groove 12. The first outer shell 13 and the second outer shell 14 are connected by a snap-fit, forming a closed receiving cavity to achieve a good sealing effect.

[0022] The push handle 27 comprises an upper handle section 35, a bent handle section 36, and a lower handle section 37, all made of metal and connected in sequence. The lower end of the upper handle section 35 has a bent handle section 36 extending downwards, and the end of the bent handle section 36 away from the upper handle section 35 has a lower handle section 37 extending downwards. The upper handle section 35 and the lower handle section 37 are arranged parallel to each other, and the lower part of the lower handle section 37 is embedded in the sliding seat 29 (plastic). The upper handle section 35 is located in the horizontal interval D1 (and the sliding groove 12), the bent handle section 36 is located in the vertical interval D2, and the lower handle section 37 extends downwards after passing the inner end of the baffle 44.

[0023] Furthermore, in one embodiment, the push handle 27 bends through the slide groove 12, the transverse slide groove (transverse spacing D1), and the longitudinal slide groove (longitudinal spacing D2) and extends into the cavity formed by the first outer shell 13 and the second outer shell 14. The push handle 27 is then connected to the sliding seat 29 in the cavity. The sliding seat 29 has a groove 39, which is connected to the lower section 37 of the handle. In other words, the part of the lower section 37 embedded in the sliding seat 29 is connected to the groove 39 on the sliding seat 29. A grounding plate 24 is provided on the side of the sliding seat 29 facing the first outer shell 13. The grounding plate 24 is located on the edge of the groove 39 on the sliding seat 29, and the other end of the grounding plate 24 is inserted into the groove 39 and connected to the lower section 37 of the handle. A second brush 33 (grounding brush) is stacked on the grounding plate 24. The second brush 33 is arranged adjacent to the grounding plate 24, and the terminal of the second brush 33 is elastically abutting against the carbon sheet 21.

[0024] Furthermore, in one embodiment, a guide rail 26 is provided in the cavity where the first outer shell 13 and the second outer shell 14 are fastened. The two ends of the guide rail 26 are disposed on the first sidewalls 47 on both sides of the first outer shell 13. Washers 32 are passed through the two ends of the guide rail 26. The washers 32 on the guide rail 26 are disposed close to the inner side of the first sidewall 47 of the first outer shell 13. The washers 32 are disposed adjacent to the inner side of the first sidewall 47. The washers 32 effectively reduce the impact noise at the sliding end point of the sliding seat 29.

[0025] Furthermore, in one embodiment, the concave bracket 11 is provided with a first pulley 16 and a second pulley 17 at both ends, and the first pulley 16 and the second pulley 17 are connected by a belt 15; a motor seat 18 is provided below the first pulley 16, the motor seat 18 is disposed on the concave bracket 11, a motor 19 is provided below the motor seat 18, and the first pulley 16 is disposed on the output shaft of the motor 19; further, in one embodiment, the push handle 27 is embedded in the slide groove 12 of the concave bracket 11, the belt 15 is embedded in the groove of the concave bracket 11, and the belt 15 is connected to the push handle 27 by a belt fixing seat 31 to realize resistance adjustment.

[0026] A carbon sheet 21 is provided in the cavity where the first outer shell 13 and the second outer shell 14 are fastened together. The carbon sheet 21 is located inside the first outer shell 13 and is parallel to the inner wall of the first outer shell 13. A downwardly extending tongue plate 22 (welding position) is provided at the end of the carbon sheet 21 near the motor 19. See attached document. Figure 7 As shown, the bottom plate 42 has a relief opening 53 at one end near the first outer shell 13, which matches the tongue plate 22. The tongue plate 22 extends out of the bottom plate 42 after passing through the relief opening 53. That is, the tongue plate 22 (welding position) protrudes and extends under the cavity where the first outer shell 13 and the second outer shell 14 are fastened after passing through the relief opening 53. A socket 23 is provided under the cavity where the first outer shell 13 and the second outer shell 14 are fastened. The socket 23 is set on the tongue plate 22. The socket 23 adopts a PH2.0 socket to avoid welding errors and reduce the risk of welding errors.

[0027] The push handle 27 has a T-shaped slot 28, and a belt fixing seat 31 is embedded in the T-shaped slot 28. The belt fixing seat 31 on the push handle 27 is engaged with the belt 15. Further, in one embodiment, a sliding seat 29 is provided below the push handle 27. The push handle 27 and the sliding seat 29 are fixedly connected. The lower part of the push handle 27 (metal) is embedded in the sliding seat 29 (plastic). The sliding seat 29 is sleeved on the guide rail 26. The guide rail 26 is cylindrical. The sliding seat 29 has a sliding hole that matches the guide rail 26. The sliding hole of the sliding seat 29 is a heptagonal hole 38. The heptagonal hole 38 of the sliding seat 29 is set to match the guide rail 26 to reduce friction.

[0028] A first brush 25 (adjusting brush) is installed on the side of the sliding base 29 near the carbon sheet 21. The terminals of the first brush 25 are elastically abutted against the carbon sheet 21. The lower section 37 of the push handle 27 has a protrusion that is riveted to the grounding plate 24. The push handle 27 slides along the slide groove 12 and is fixedly connected to the sliding base 29. The sliding base 29 drives the first brush 25 (adjusting brush) to adjust the resistance value.

[0029] Motor 19 is fixed by motor base 18 and drives first pulley 16 to rotate, which in turn drives belt 15 and second pulley 17. This drives push handle 27 to move along slide groove 12 via belt fixing seat 31. Push handle 27 drives first brush 25 (adjustment brush) to slide on carbon sheet 21 via sliding seat 29 to achieve resistance adjustment. Sliding seat 29 cooperates with guide rail 26 through heptagonal hole 38 to reduce friction and improve sliding smoothness. Washers 32 at both ends of guide rail 26 reduce mechanical impact noise.

[0030] The first outer casing 13 and the second outer casing 14 have a snap-fit ​​sealing structure, effectively preventing the intrusion of debris and liquids and extending the product's service life. A protrusion is added to the lower section 37 of the push handle 27 for riveting with the grounding plate 24, simplifying assembly. The first outer casing 13 and the second outer casing 14 adopt a slot-fitting design, simplifying the assembly process and improving production efficiency.

[0031] The above embodiments only illustrate several preferred implementations of this utility model, and their descriptions are relatively specific and detailed. It should be understood that this utility model is not limited to the forms disclosed herein and should not be considered as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or related field techniques or knowledge. This should not be construed as a limitation on the scope of this utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model. Such modifications and changes do not depart from the spirit and scope of this utility model, and all fall within the protection scope of the appended claims. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A potentiometer for a linear sliding belt motor, comprising: A concave bracket (11) is provided with a sliding groove (12) and a push handle (27) is provided in the sliding groove (12); characterized in that the concave bracket (11) is provided with a first outer shell (13) and a second outer shell (14) below it, the first outer shell (13) is provided with a first sidewall (47) facing the second outer shell (14) on both sides, the second outer shell (14) is provided with a second sidewall (48) matching the first sidewall (47) on both sides, the second sidewall (48) covers the outside of the first sidewall (47), and the bottom end of the second outer shell (14) is provided with a bottom plate (42) facing the first outer shell (13), the end of the bottom plate (42) away from the second outer shell (14) abuts against the first outer shell (13); The top of the first outer shell (13) is provided with connecting seats (46) facing the second outer shell (14) on both sides. The top of the first outer shell (13) is provided with a bent top edge (43) that protrudes inward and bends downward. The bent top edge (43) is located between the two connecting seats (46) on both sides. The bottom end of the bent top edge (43) that bends downward is provided with a baffle (44) that extends towards the second outer shell (14). The top of the second outer shell (14) is provided with a top insert plate (41) that matches the baffle (44). The top insert plate (41) is embedded between the connecting seats (46) on both sides of the first outer shell (13). The surface of the top insert plate (41) is flush with the surface of the connecting seat (46), and the inner end of the top insert plate (41) is located above the inner end of the baffle (44). The inner end of the top insert plate (41) is flush with the inner end of the baffle (44), or a small part of the inner end of the top insert plate (41) overlaps the inner end of the baffle (44). A longitudinal interval D2 is provided between the inner end of the top insert plate (41) and the inner end of the baffle (44), forming a longitudinal groove; a transverse interval D1 is provided between the inner end of the top insert plate (41) and the inner side of the bent top edge (43), forming a transverse groove, and the transverse groove of the transverse interval D1 is parallel and adjacent to the groove (12). The push handle (27) includes an upper section (35), a bent section (36), and a lower section (37) made of metal connected in sequence. The upper section (35) has a bent and extended section (36) at the bottom end. The bent section (36) has a bent and extended lower section (37) at the end away from the upper section (35). The upper section (35) and the lower section (37) are arranged in parallel. The lower part of the lower section (37) is embedded in the sliding seat (29). The upper section (35) of the handle is set in the horizontal interval D1, the bent section (36) of the handle is set in the longitudinal interval D2, and the lower section (37) of the handle extends downward after passing the inner end of the baffle (44). A carbon sheet (21) is provided in the cavity where the first outer shell (13) and the second outer shell (14) are fastened. The carbon sheet (21) is located inside the first outer shell (13) and is parallel to the inner wall of the first outer shell (13). A tongue plate (22) extending downward is provided at the end of the carbon sheet (21) near the motor (19). The bottom plate (42) has a clearance opening (53) at one end near the first outer shell (13) that matches the tongue plate (22). The tongue plate (22) extends out of the bottom plate (42) after passing through the clearance opening (53). A socket (23) is provided under the cavity where the first outer shell (13) and the second outer shell (14) are fastened. The socket (23) is set on the tongue plate (22).

2. The linear sliding track motor potentiometer according to claim 1, characterized in that, The sliding seat (29) has a groove (39) that is connected to the lower section of the handle (37). A grounding plate (24) is provided on the side of the sliding seat (29) facing the first outer shell (13). The grounding plate (24) is located on the edge of the groove (39) on the sliding seat (29). The other end of the grounding plate (24) is inserted into the groove (39) and connected to the lower section of the handle (37). A second brush (33) is stacked on the grounding plate (24). The second brush (33) is arranged close to the grounding plate (24). The terminals of the second brush (33) are elastically abutted against the carbon sheet (21).

3. A direct-belted track motor potentiometer according to claim 1, wherein, The cavity where the first outer shell (13) and the second outer shell (14) are fastened together is provided with a guide rail (26). The two ends of the guide rail (26) are set on the first side wall (47) on both sides of the first outer shell (13). The first side wall (47) is provided with a retaining groove (54) for fixing the guide rail (26). The end of the guide rail (26) is engaged in the retaining groove (54). Two parallel guide rails (26) are provided between the first sidewalls (47) on both sides. The first sidewall (47) is provided with an outwardly protruding hook (51), and the second sidewall (48) is provided with a corresponding slot (52) that matches the hook (51). The hook (51) is snapped into the slot (52). Washers (32) are provided at both ends of the guide rail (26). The washers (32) on the guide rail (26) are located close to the inner side of the first side wall (47) of the first housing (13). The washers (32) are located adjacent to the inner side of the first side wall (47).

4. A straight-belted track motor potentiometer according to claim 1, wherein The concave bracket (11) has a first pulley (16) and a second pulley (17) at both ends, and the first pulley (16) and the second pulley (17) are connected by a belt (15); a motor seat (18) is provided below the first pulley (16), the motor seat (18) is set on the concave bracket (11), a motor (19) is provided below the motor seat (18), and the first pulley (16) is set on the output shaft of the motor (19); The push handle (27) is embedded in the groove (12) of the concave bracket (11), and the belt (15) is embedded in the groove of the concave bracket (11). The belt (15) is connected to the push handle (27) through the belt fixing seat (31).

5. A linear sliding track motor potentiometer according to claim 1, characterized in that, The push handle (27) is provided with a T-shaped slot (28), and a belt fixing seat (31) is embedded in the T-shaped slot (28) on the push handle (27). The belt fixing seat (31) on the push handle (27) is engaged with the belt (15). A sliding seat (29) is provided below the push handle (27). The push handle (27) and the sliding seat (29) are fixedly connected. The lower part of the push handle (27) is embedded in the sliding seat (29). The sliding seat (29) is sleeved on the guide rail (26). The guide rail (26) is cylindrical. The sliding seat (29) has a sliding hole that matches the guide rail (26). The sliding hole of the sliding seat (29) is a heptagonal hole (38). The heptagonal hole (38) of the sliding seat (29) is set to match the guide rail (26).

6. A linear sliding track motor potentiometer according to claim 1, characterized in that, The sliding seat (29) is equipped with a first brush (25) on the side near the carbon sheet (21), and the terminals of the first brush (25) are elastically abutting against the carbon sheet (21); The lower section (37) of the push handle (27) is provided with a protrusion and is riveted to the grounding plate (24).

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