CN211196184U

CN211196184U - Driver controller with interlocking function

Info

Publication number: CN211196184U
Application number: CN201922277420.5U
Authority: CN
Inventors: 李瀚�; 周大力; 胡勇; 彭毅; 薛凯旋; 刘力巨; 唐蜜
Original assignee: Zhuzhou Shiling Transportation Equipment Co Ltd
Current assignee: Zhuzhou Shiling Transportation Equipment Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-07
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a driver controller with interlocking function, which comprises a key switch, a master control handle, a mode switching handle, a transmission part and a cam shaft; the master control handle pass through the driving medium with the camshaft is connected, the key switch with be provided with first interlocking mechanism between the mode switch handle, the mode switch handle with be provided with second interlocking mechanism between the camshaft, first interlocking mechanism and second interlocking mechanism mutually support and realize the interlocking between key switch, mode switch handle and the camshaft. The utility model discloses a driver controller with interlocking function has simple structure, easy and simple to handle, advantages such as locking safe and reliable.

Description

Driver controller with interlocking function

Technical Field

The utility model mainly relates to the technical field of rail transit, in particular to a driver controller with interlocking function.

Background

The driver controller for rail transit generally comprises a main control handle (providing a traction or braking instruction), a mode switching handle (switching a vehicle to be opened forwards or backwards or other modes), a key switch and the like, and in order to prevent misoperation of a driver, mechanical interlocking of all parts is generally required. The mechanical interlocking requires reliable locking and smooth mechanical operation. The existing technical scheme directly locks rotating shafts such as a main control handle and a mode switching handle through a plurality of ejector rods, cam disks and the like, and has the following defects: 1. the existing interlocking mode has poor locking precision because various sliding rod pieces are used for directly interlocking the master control handle, the mode switching handle and the key switch, and the risks of interlocking failure and the like are easy to occur after the existing interlocking mode is used for a period of time; 2. the structure is more complex and is not convenient for maintenance; 3. because the movement stroke between the master control handle, the mode switching handle and the key switch is smaller, the locking precision is required to be high, and the locking precision requirement on the interlocking mechanism is higher.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a simple structure, easy and simple to handle, locking safe and reliable's driver controller with interlocking function.

In order to solve the technical problem, the utility model provides a technical scheme does:

a driver controller with an interlocking function comprises a key switch, a master control handle, a mode switching handle, a transmission piece and a cam shaft; the master control handle pass through the driving medium with the camshaft is connected, the key switch with be provided with first interlocking mechanism between the mode switch handle, the mode switch handle with be provided with second interlocking mechanism between the camshaft, first interlocking mechanism and second interlocking mechanism mutually support and realize the interlocking between key switch, mode switch handle and the camshaft.

As a further improvement of the above technical solution:

the first interlocking mechanism comprises a first cam, a slide bar and a second cam; the first cam is sleeved on a rotating shaft of the key switch, the second cam is sleeved on a rotating shaft of the mode switching handle, the sliding rod is positioned between the first cam and the second cam, and two ends of the sliding rod are respectively abutted against the edges of the first cam and the second cam; the first cam edge is provided with a first groove, and the second cam edge is provided with a second groove.

When the key switch is in a locked state, the edge of the first cam abuts against one end of the sliding rod, and the other end of the sliding rod is located in the second groove of the second cam to limit the rotation of the mode switching handle.

The second interlocking mechanism comprises an interlocking rod, a resetting piece and a third cam; the third cam is arranged on the cam shaft, and a third groove is formed in the edge of the third cam; the interlocking rod is arranged in a rotating mode, one end of the interlocking rod is located at the second cam, and a flange used for blocking the other end of the interlocking rod from rotating upwards is arranged on the second cam; the other end of the interlocking rod is provided with a limiting rod; the reset piece is arranged at the other end of the interlocking rod and used for applying elastic force to the other end of the interlocking rod so that the limiting rod on the interlocking rod is close to the third cam.

The reset piece comprises a supporting seat and a compression spring, one end of the compression spring is fixed on the supporting seat, and the other end of the compression spring abuts against the other end of the interlocking rod.

When the key switch is in a locked state, the flange on the second cam blocks one end of an interlocking rod, and a limiting rod on the other end of the interlocking rod is positioned in a third groove of the third cam to limit the rotation of the cam shaft; when the key switch is in an open state and the mode switching handle is in a forward gear or a backward gear, one end of the sliding rod extends into the first groove of the first cam to limit the rotation of the key switch; the cam shaft rotates to enable the edge of the third cam to be in contact with the limiting rod, one end of the interlocking rod rotates upwards to block the rib of the second cam, and the mode switching handle is limited from rotating.

The transmission part is a gear assembly.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses a driver controller with interlocking function through the cooperation between first interlocking mechanism and the second interlocking mechanism, realizes the interlocking between key switch, mode switch handle and the camshaft, ensures driver controller's operational safety nature.

(2) The driver controller with the interlocking function of the utility model has the advantages that the first interlocking mechanism and the second interlocking mechanism have simple structures, simple and convenient operation and high reliability; and the two are easy to match.

(3) The utility model realizes the rotation of the third cam on the cam shaft at a large angle by the small rotation angle of the main control handle through the gear assembly; the limiting rod directly limits the third cam (and directly limits the main control handle), and the rotation angle of the third cam is large, so that the locking precision can be guaranteed more simply, the requirement on the locking precision is not high, the manufacturing and mounting processes of each part are reduced, and the cost is reduced to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention (the key switch is in a locked state).

Fig. 2 is a schematic structural diagram (when the camshaft rotates) of the present invention according to an embodiment.

Fig. 3 is a schematic structural diagram of a transmission member according to an embodiment of the present invention.

The reference numbers in the figures denote: 1. a key switch; 2. a mode switching handle; 3. a master control handle; 4. a transmission member; 5. a camshaft; 6. a first interlock mechanism; 601. a first cam; 6011. a first groove; 602. a second cam; 6021. a second groove; 603. a slide bar; 604. a mounting seat; 7. a second interlocking mechanism; 701. an interlock lever; 702. a reset member; 7021. a compression spring; 7022. a supporting seat; 703. a third cam; 7031. a third groove; 704. a limiting rod; 705. and (7) blocking edges.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments.

As shown in fig. 1 to 2, the driver controller with interlock function of the present embodiment includes a key switch 1, a main control handle 3, a mode switching handle 2, a transmission member 4, and a cam shaft 5; master control handle 3 passes through driving medium 4 and is connected with camshaft 5, is provided with first interlocking device 6 between key switch 1 and the mode switch handle 2, is provided with second interlocking device 7 between mode switch handle 2 and the camshaft 5, and first interlocking device 6 mutually supports with second interlocking device 7 and realizes the interlocking between key switch 1, mode switch handle 2 and the camshaft 5, and the interlocking relationship is: when the key switch 1 is in a locked state, the mode switching handle 2 and the main control handle 3 cannot be operated; when the mode switching handle 2 is in a forward gear or a backward gear, the main control handle 3 can be operated, and meanwhile, the key switch 1 cannot be operated; when the master handle 3 is in the operating state, neither the mode switching handle 2 nor the key switch 1 can be operated. The utility model discloses a driver controller with interlocking function through the cooperation between first interlocking mechanism 6 and the second interlocking mechanism 7, realizes the interlocking between key switch 1, mode switch handle 2 and the camshaft 5, ensures driver controller's operational safety nature.

In the present embodiment, the first interlocking mechanism 6 includes a first cam 601, a slide bar 603, and a second cam 602; the first cam 601 is sleeved on a rotating shaft of the key switch 1, the second cam 602 is sleeved on a rotating shaft of the mode switching handle 2, the sliding rod 603 is positioned between the first cam 601 and the second cam 602, and two ends of the sliding rod 603 are respectively abutted against the edges of the first cam 601 and the second cam 602, wherein the sliding rod 603 is slidably arranged in a mounting seat 604, and the mounting seat 604 is mounted at equal positions of a shell of a driver controller; a first groove 6011 is arranged on the edge of the first cam 601, and a second groove 6021 is arranged on the edge of the second cam 602; as shown in fig. 1, when the key switch 1 is in the locked state, an edge of the first cam 601 (not at the position of the first groove 6011) abuts against one end of the slide rod 603, and the other end of the slide rod 603 is located in the second groove 6021 of the second cam 602 to restrict the rotation of the mode switching handle 2. The first interlocking mechanism 6 is simple in structure, simple and convenient to operate and high in reliability.

In the present embodiment, the second interlocking mechanism 7 includes an interlocking lever 701, a reset member 702, and a third cam 703; the third cam 703 is mounted on the camshaft 5 and has a third groove 7031 on the edge; the interlocking rod 701 is arranged in a rotating mode, the interlocking rod 701 is in a 7 shape, one end of the interlocking rod 701 is located at the position of the second cam 602, and a blocking edge 705 used for blocking the other end of the interlocking rod 701 to rotate upwards is arranged on the second cam 602; the other end of the interlocking rod 701 is provided with a limiting rod 704; a reset piece 702 is installed at the other end of the interlocking lever 701 for applying an elastic force to the other end of the interlocking lever 701 to make the catching lever 704 of the interlocking lever 701 close to the third cam 703. The reset element 702 includes a support 7022 and a compression spring 7021, one end of the compression spring 7021 is fixed to the support 7022, and the other end abuts against the other end of the interlock lever 701. The second interlocking mechanism 7 is simple in structure, simple and convenient to operate and high in reliability.

As shown in fig. 1, when the key switch 1 is in a locked state, the rib 705 on the second cam 602 blocks one end of the interlock lever 701 to prevent it from rotating, and the limiting rod 704 on the other end of the interlock lever 701 is located in the third groove 7031 of the third cam 703 to limit the rotation of the cam shaft 5, so as to achieve the purpose of limiting the rotation of the main control handle 3; as shown in fig. 2, when the key switch 1 is in the on state and the mode switching handle 2 is in the forward shift position or the backward shift position or other shift positions, one end of the sliding rod 603 extends into the first groove 6011 of the first cam 601 to limit the rotation of the key switch 1; the rib 705 of the second cam 602 does not block one end of the interlock lever 701 at this time, and when the cam shaft 5 rotates, the third cam 703 synchronously rotates to bring an edge (not the third groove 7031) thereof into contact with the stopper 704, and one end of the interlock lever 701 rotates upward to block the rib 705 of the second cam 602, thereby restricting the rotation of the mode switching lever 2. The whole operation process is simple and convenient, and the reliability is high.

As shown in fig. 3, in the present embodiment, the transmission member 4 is a gear assembly, and the gear assembly includes a plurality of gears, and the plurality of gears are engaged with each other; the main control handle 3 drives the cam shaft 5 to rotate through the gear assembly, and the gear assembly can realize that the small rotation angle of the main control handle 3 drives the third cam 703 on the cam shaft 5 to rotate in a large angle; the limiting rod 704 limits the third cam 703 (which is different from the direct limitation of the main control handle 3), so as to indirectly control the main control handle 3. Because the third cam 703 on the camshaft 5 has a large rotation angle, the locking precision can be ensured more easily, and the requirement for the locking precision is not so high, so that the manufacturing and mounting processes of each part are reduced, and the cost is reduced to a certain extent.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. A driver controller with an interlocking function comprises a key switch (1), a master control handle (3), a mode switching handle (2), a transmission piece (4) and a cam shaft (5); master control handle (3) pass through driving medium (4) with camshaft (5) are connected, its characterized in that, key switch (1) with be provided with first interlocking device (6) between mode switching handle (2), mode switching handle (2) with be provided with second interlocking device (7) between camshaft (5), first interlocking device (6) and second interlocking device (7) mutually support and realize the interlocking between key switch (1), mode switching handle (2) and camshaft (5).

2. The driver controller with interlock function according to claim 1, wherein the first interlock mechanism (6) comprises a first cam (601), a slide bar (603), and a second cam (602); the first cam (601) is sleeved on a rotating shaft of the key switch (1), the second cam (602) is sleeved on a rotating shaft of the mode switching handle (2), the sliding rod (603) is positioned between the first cam (601) and the second cam (602), and two ends of the sliding rod respectively abut against the edges of the first cam (601) and the second cam (602); a first groove (6011) is arranged on the edge of the first cam (601), and a second groove (6021) is arranged on the edge of the second cam (602).

3. The driver controller with interlock function according to claim 2, wherein when the key switch (1) is in the locked state, the edge of the first cam (601) abuts against one end of the slide bar (603), and the other end of the slide bar (603) is located in the second recess (6021) of the second cam (602) to restrict the rotation of the mode switching handle (2).

4. The driver controller with interlock function according to claim 2, wherein the second interlock mechanism (7) includes an interlock lever (701), a reset member (702), and a third cam (703); the third cam (703) is arranged on the cam shaft (5) and is provided with a third groove (7031) on the edge; the interlocking rod (701) is arranged in a rotating mode, one end of the interlocking rod (701) is located at the position of the second cam (602), and a blocking edge (705) used for blocking the other end of the interlocking rod (701) from rotating upwards is arranged on the second cam (602); the other end of the interlocking rod (701) is provided with a limiting rod (704); the reset member (702) is installed at the other end of the interlock lever (701) for applying an elastic force to the other end of the interlock lever (701) to make the upper limit lever (704) of the interlock lever (701) approach the third cam (703).

5. The driver controller with the interlocking function according to claim 4, wherein the reset member (702) comprises a support base (7022) and a compression spring (7021), one end of the compression spring (7021) is fixed on the support base (7022), and the other end of the compression spring abuts against the other end of the interlocking lever (701).

6. The driver controller with interlock function according to claim 4 or 5, wherein when the key switch (1) is in the locked state, the rib (705) of the second cam (602) blocks one end of the interlock lever (701), and the stopper rod (704) at the other end of the interlock lever (701) is located in the third groove (7031) of the third cam (703) to restrict the rotation of the camshaft (5); when the key switch (1) is in an open state and the mode switching handle (2) is in a forward gear or a backward gear, one end of the sliding rod (603) extends into the first groove (6011) of the first cam (601) to limit the rotation of the key switch (1); the rib (705) of the second cam (602) does not block one end of the interlocking lever (701), the cam shaft (5) rotates to make the edge of the third cam (703) contact with the limiting rod (704), one end of the interlocking lever (701) rotates upwards to block the rib (705) of the second cam (602), and the mode switching handle (2) is limited to rotate.

7. The driver control with interlock function according to any of claims 1-5, wherein the transmission member (4) is a gear assembly.