Controller with self-locking function

Abstract

The utility model discloses a controller with a self-locking function, which belongs to the technical field of controllers, and comprises a shell, a gear and a rack meshed with the gear are accommodated in the shell, one end of the rack is connected with a flexible shaft stay wire, the gear is provided with a shaft hole, the end face of one side of the shaft hole is fixedly connected with a sleeve, and one side of the sleeve is provided with a notch; the rotating shaft is inserted into the sleeve, the side wall of the tail end of the rotating shaft is fixedly connected with an arc-shaped piece, the arc-shaped piece is inserted into the notch, and gaps are reserved between the arc-shaped piece and the two side walls of the notch; the sleeve is sleeved with a torsion spring, the upper end and the lower end of the torsion spring are each provided with a hook part, the two hook parts are inserted into the two gaps respectively, the thickness of the hook parts is smaller than the width of the gaps, and the torsion spring is inserted into a preset cylindrical cavity of the shell; the upper end of the rotating shaft penetrates out of the shell, is connected with a handle rod and is used for driving the rotating shaft to rotate. According to the utility model, the gear is engaged by manually applying external force, after the gear is engaged, the external force disappears, and the friction force between the torsion spring and the shell is increased, so that the torsion spring is locked by the shell, the movement of the gear and the rack is limited, the gear is prevented from falling off due to the shaking of the gear and the rack in vibration, and the self-locking function is realized; the controller is simple in overall structure, convenient to operate, low in cost and capable of saving space.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the controller technical field, especially is involved in a kind of controller with self-locking function. BACKGROUND

[0002] At present, various gear vehicles have the demand of gear self-locking, and vibration is unavoidable during driving, and long-time vibration can easily lead to gear lever to drop back to neutral gear, so gear self-locking is indispensable to prevent vehicle from dropping gear, and the controller designed this time is to solve this problem. SUMMARY

[0003] The utility model discloses a kind of controllers with self-locking function, and gear is hung by manually exerting external force, when gear is hung, external force disappears, the friction between expansion torsion spring and shell increases, leading to torsion spring is locked by shell, to further limit the movement of gear and rack, prevent gear and rack from shaking and leading to drop gear in vibration, to realize self-locking function, the overall structure of the controller is simple, convenient to operate, low in cost, save space.

[0004] To achieve the above object, the technical scheme of the utility model is to provide a kind of controller with self-locking function, including shell, the gear and rack meshed in the shell are housed, one end of the rack is connected with flexible shaft pull line, the gear is provided with shaft hole, one side end face of the shaft hole is fixedly connected with sleeve, one side of the sleeve has a gap;It also includes rotating shaft inserted into the sleeve, the end side wall of the rotating shaft is fixedly connected with arc-shaped sheet, the arc-shaped sheet is inserted into the gap, and a gap is left between the two side walls of the gap;Torsion spring is sleeved on the sleeve, one of the upper and lower ends of the torsion spring is provided with a hook portion, the two hook portions are inserted into the two gaps respectively, the thickness of the hook portion is less than the width of the gap, and the torsion spring is inserted into the cylindrical cavity of the shell;The upper end of the rotating shaft penetrates out of the shell and is connected with handle rod, to drive the rotating shaft to rotate.

[0005] As a further improvement of the utility model, one end of the rack is provided with a threaded hole, which is detachably connected with the threaded head of the flexible shaft pull line.

[0006] As a further improvement of the utility model, a connecting pipe is provided on the shell corresponding to one end of the rack, and the flexible shaft pull line is inserted into the shell from the connecting pipe and connected with the rack.

[0007] As a further improvement of the utility model, a sleeve is provided on the shell, one end of the sleeve is fixedly connected with a nut, a bolt is screwed in the nut, and the end of the bolt abuts against the end face of the rack, to limit the stroke of the rack.

[0008] As a further improvement of the utility model, the arc-shaped sheet and the rotating shaft are detachably connected through a countersunk screw.

[0009] As a further improvement of the utility model, the handle rod end is provided with a jack, the rotating shaft upper end is provided with a pin hole, and the bolt penetrates through the jack and the pin hole to fix the handle rod and the rotating shaft.

[0010] The utility model discloses a manual external force is applied to hang the gear, when hanging the gear, the external force disappears, the friction between the expansion of torsional spring and the shell increases, the torsional spring is locked by the shell, and the movement of gear and rack is further limited, the shaking of gear and rack is prevented, and the gear is prevented from falling, thereby realizing self-locking function, and the controller is simple in overall structure, convenient to operate, low in cost and space-saving. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the appearance view of the controller with self-locking function of the utility model;

[0012] Figure 2 It is the gear position sectional view of the controller with self-locking function of the utility model;

[0013] Figure 3 It is the rotating shaft position sectional view of the controller with self-locking function of the utility model;

[0014] Figure 4 It is the torsional spring assembly structure perspective schematic view of the controller with self-locking function of the utility model;

[0015] Figure 5 It is the torsional spring assembly structure plan view of the controller with self-locking function of the utility model.

[0016] The number of the drawing is explained: 1 is the shell, 11 is the upper shell, 12 is the lower shell, 13 is the upper cover, 2 is the gear, 21 is the sleeve, 3 is the rack, 4 is the rotating shaft, 41 is the arc-shaped sheet, 5 is the torsional spring, 51 is the hook part, 6 is the handle rod, 61 is the handle ball, 7 is the connecting pipe, 8 is the sleeve pipe, 81 is the nut, 82 is the bolt, 9 is the bolt. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0018] As Figures 1 to 5As shown in the utility model discloses a controller with self-locking function, including casing 1, the casing 1 is in the accommodation gear 2 and the rack 3 engaged with gear 2, the rack 3 one end is connected with the soft axle pull line, the gear 2 is equipped with axle hole, the axle hole one side end face welds sleeve 21, the sleeve 21 one side has the gap;Still include the rotation axis 4 inserted in the sleeve 21, the rotation axis 4's end side wall bolt connection arc piece 41, the arc piece 41 is inserted in the gap, with the gap both side wall and leave the gap;The sleeve 21 is equipped with torsion spring 5, the torsion spring 5's upper and lower end each is provided with one hook part 51, two hook parts 51 are inserted in two gaps respectively, the thickness of hook part 51 is less than the width of the gap, the torsion spring 5 is inserted in the cylindrical cavity of casing 1 preset;The rotation axis 4 upper end passes out casing 1, and is connected with handle rod 6, is used for driving the rotation axis 4 rotation.

[0019] In the above technical solution, by turning the handle lever 6 drives the rotation axis 4 rotation, with the arc piece 41 also follow rotation, resulting in the torsion spring 5 rotation contraction energy storage, also drive the sleeve 21 and the gear 2 welded in its lower end rotation, drive the rack 3 engaged with the gear 2 horizontal movement, in turn pull the soft axle pull line connected on the rack 3, to carry out hanging, when hanging ends after external force disappears, at this time the rotation axis 4 and the arc piece 41 no longer movement, and the torsion spring 5 releases energy expansion recovery, make the torsion spring 5 in the cylindrical cavity inflation, the friction between the torsion spring 5 and the casing 1 increases, resulting in the torsion spring 5 is locked, in turn limit the rotation of the sleeve 21, that is, lock the gear 2 and the rack 3 movement, prevent the gear 2 and the rack 3 in the shaking and cause the drop gear, so as to realize the self-locking function.

[0020] Further, as shown in the utility model discloses a controller with self-locking function, including casing 1, the casing 1 is in the accommodation gear 2 and the rack 3 engaged with gear 2, the rack 3 one end is connected with the soft axle pull line, the gear 2 is equipped with axle hole, the axle hole one side end face welds sleeve 21, the sleeve 21 one side has the gap;Still include the rotation axis 4 inserted in the sleeve 21, the rotation axis 4's end side wall bolt connection arc piece 41, the arc piece 41 is inserted in the gap, with the gap both side wall and leave the gap;The sleeve 21 is equipped with torsion spring 5, the torsion spring 5's upper and lower end each is provided with one hook part 51, two hook parts 51 are inserted in two gaps respectively, the thickness of hook part 51 is less than the width of the gap, the torsion spring 5 is inserted in the cylindrical cavity of casing 1 preset;The rotation axis 4 upper end passes out casing 1, and is connected with handle rod 6, is used for driving the rotation axis 4 rotation. Figure 2

[0021] Further, as shown in the utility model discloses a controller with self-locking function, including casing 1, the casing 1 is in the accommodation gear 2 and the rack 3 engaged with gear 2, the rack 3 one end is connected with the soft axle pull line, the gear 2 is equipped with axle hole, the axle hole one side end face welds sleeve 21, the sleeve 21 one side has the gap;Still include the rotation axis 4 inserted in the sleeve 21, the rotation axis 4's end side wall bolt connection arc piece 41, the arc piece 41 is inserted in the gap, with the gap both side wall and leave the gap;The sleeve 21 is equipped with torsion spring 5, the torsion spring 5's upper and lower end each is provided with one hook part 51, two hook parts 51 are inserted in two gaps respectively, the thickness of hook part 51 is less than the width of the gap, the torsion spring 5 is inserted in the cylindrical cavity of casing 1 preset;The rotation axis 4 upper end passes out casing 1, and is connected with handle rod 6, is used for driving the rotation axis 4 rotation. Figure 2

[0022] Further, as shown in the utility model discloses a controller with self-locking function, including casing 1, the casing 1 is in the accommodation gear 2 and the rack 3 engaged with gear 2, the rack 3 one end is connected with the soft axle pull line, the gear 2 is equipped with axle hole, the axle hole one side end face welds sleeve 21, the sleeve 21 one side has the gap;Still include the rotation axis 4 inserted in the sleeve 21, the rotation axis 4's end side wall bolt connection arc piece 41, the arc piece 41 is inserted in the gap, with the gap both side wall and leave the gap;The sleeve 21 is equipped with torsion spring 5, the torsion spring 5's upper and lower end each is provided with one hook part 51, two hook parts 51 are inserted in two gaps respectively, the thickness of hook part 51 is less than the width of the gap, the torsion spring 5 is inserted in the cylindrical cavity of casing 1 preset;The rotation axis 4 upper end passes out casing 1, and is connected with handle rod 6, is used for driving the rotation axis 4 rotation. Figure 2

[0023] Further, as shown in the utility model discloses a controller with self-locking function, including casing 1, the casing 1 is in the accommodation gear 2 and the rack 3 engaged with gear 2, the rack 3 one end is connected with the soft axle pull line, the gear 2 is equipped with axle hole, the axle hole one side end face welds sleeve 21, the sleeve 21 one side has the gap;Still include the rotation axis 4 inserted in the sleeve 21, the rotation axis 4's end side wall bolt connection arc piece 41, the arc piece 41 is inserted in the gap, with the gap both side wall and leave the gap;The sleeve 21 is equipped with torsion spring 5, the torsion spring 5's upper and lower end each is provided with one hook part 51, two hook parts 51 are inserted in two gaps respectively, the thickness of hook part 51 is less than the width of the gap, the torsion spring 5 is inserted in the cylindrical cavity of casing 1 preset;The rotation axis 4 upper end passes out casing 1, and is connected with handle rod 6, is used for driving the rotation axis 4 rotation. Figure 3 ​​​As shown, the arc-shaped sheet 41 and the rotating shaft 4 are detachably connected through a countersunk screw, because the outer surface of the arc-shaped sheet 41 needs to be closely sleeved with the torsion spring 5, in order not to affect the flatness of the outer surface of the arc-shaped sheet 41, the arc-shaped sheet 41 and the rotating shaft 4 should be connected by using a countersunk screw, and the bolt connection mode is convenient for dismounting and replacing.

[0024] Further, as shown in the drawings, Figure 1 As shown, the handle rod 6 is provided with a insertion hole at the end, the rotating shaft 4 is provided with a pin hole at the upper end, and the insertion pin 9 penetrates the insertion hole and the pin hole to fix the handle rod 6 and the rotating shaft 4.

[0025] As shown in the drawings, Figures 1 to 5 As shown in the drawings, the assembly steps of the utility model are introduced, the shell 1 can be divided into an upper shell 11, a lower shell 12 and an upper cover 13, the upper shell 11, the lower shell 12 and the upper cover 13 are all provided with threaded holes, the threaded holes are consistent in size and aligned in position, and are used for bolt connection of the upper shell 11, the lower shell 12 and the upper cover 13; during installation, the flexible shaft pull wire can be first inserted into the connecting pipe 7, then the rack 3 is connected with the flexible shaft pull wire, then the connected rack 3, flexible shaft pull wire and connecting pipe 7 are put into the lower shell 12 together, the sleeve 8 is also put into the lower shell 12, the upper shell 11 is buckled on the lower shell 12, the upper shell 11 is provided with an opening in the middle, then the gear 2 is put into the opening of the upper shell 11, the sleeve 21 welded on the gear 2 faces upwards, then the rotating shaft 4 is inserted into the sleeve 21, the arc-shaped sheet 41 is inserted into the gap of the sleeve 21, the torsion spring 5 is pre-installed in the cylindrical cavity of the upper cover 13, then the pre-installed upper cover 13 is sleeved on the rotating shaft 4, the two hook portions 51 of the torsion spring 5 are inserted into the two gaps respectively, then the upper shell 11, the lower shell 12 and the upper cover 13 are tightened by using screws, the upper end of the rotating shaft 4 is provided with a hole, one end of the handle rod 6 is screwed with a handle ball 61, the other end is inserted into the hole of the rotating shaft 4, and the insertion pin 9 penetrates the insertion hole of the handle rod 6 and the pin hole of the rotating shaft 4, so that the handle rod 6 and the rotating shaft 4 are fixed together, then the bolt 82 with the nut 81 is installed in the sleeve 8, and the thread glue is dripped for fastening.

[0026] In summary, the utility model realizes the self-locking function by manually applying external force to engage gears, and when the engagement ends, the external force disappears, the friction between the torsion spring and the shell increases due to the expansion of the torsion spring, so that the torsion spring is locked by the shell, and the movement of the gear and the rack is limited, thereby preventing the gear and the rack from shaking and causing gear shifting in the vibration, thereby realizing the self-locking function.

[0027] The above embodiments are described for the utility model, but the utility model is not limited to the above disclosed embodiments, and should cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. A controller with self-locking function, comprising a housing (1), characterized in that: The shell (1) contains gear (2) and rack (3) engaged with the gear (2), one end of the rack (3) is connected with the soft shaft pull line, the gear (2) is provided with shaft hole, one side end face of the shaft hole is fixedly connected with sleeve (21), one side of the sleeve (21) has an opening; further comprising a rotating shaft (4) inserted into the sleeve (21), the end of the rotating shaft (4) is fixedly connected with an arc-shaped piece (41), the arc-shaped piece (41) is inserted into the opening, and a gap is left between the arc-shaped piece (41) and the two side walls of the opening; the sleeve (21) is provided with a torsion spring (5), the upper and lower ends of the torsion spring (5) are provided with a hook portion (51), respectively, the two hook portions (51) are inserted into the two gaps, respectively, the thickness of the hook portion (51) is less than the width of the gap, and the torsion spring (5) is inserted into the pre-set cylindrical cavity of the shell (1); the upper end of the rotating shaft (4) penetrates out of the shell (1) and is connected with a handle rod (6) for driving the rotating shaft (4) to rotate.

2. The controller with self-locking function according to claim 1, characterized in that: One end of the rack (3) is provided with a threaded hole for detachable connection with the threaded head of the soft shaft pull line.

3. The controller with self-locking function according to claim 2, characterized in that: A connecting pipe (7) is arranged on the shell (1) corresponding to one end of the rack (3), and the soft shaft pull line is inserted into the shell (1) from the connecting pipe (7) and connected with the rack (3).

4. The controller with self-locking function according to claim 3, characterized in that: A sleeve (8) is arranged on the shell (1), one end of the sleeve (8) is fixedly connected with a nut (81), a bolt (82) is screwed in the nut (81), and the end of the bolt (82) supports the end face of the rack (3) for limiting the stroke of the rack (3).

5. The controller with self-locking function according to claim 4, characterized in that: The arc-shaped piece (41) and the rotating shaft (4) are detachably connected by a countersunk screw.

6. The controller with self-locking function according to claim 5, characterized in that: The end of the handle rod (7) is provided with a socket, the upper end of the rotating shaft (4) is provided with a pin hole, and a latch (9) penetrates through the socket and the pin hole to fixedly connect the handle rod (7) and the rotating shaft (4).

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