CN205099286U - Multiple unit valve control handle connecting device and multiple unit valve operating mechanism - Google Patents

Abstract

The utility model discloses a multi-way valve control handle connection device and a multi-way valve control mechanism. The multi-way valve control handle connection device is matched with the right side of the seat of a forklift, and includes a multi-way valve, a base, a rotating bracket, and a multi-way valve. The control handles of the valve are respectively movably connected to the rotating bracket, and are hinged to the valve core of the multi-way valve by connecting rods respectively; , use the locking mechanism to lock the rotating bracket in the working position. The multi-way valve operating mechanism includes a multi-way valve and the above-mentioned multi-way valve control handle connecting device. The utility model conforms to ergonomics; it has few components, simple structure, low cost, and is easy to assemble, and the control handle of the multi-way valve is driven to rotate by turning over the rotating bracket, so that the space above the battery can be released to avoid interference when replacing the battery ; Easy to operate, the rotating bracket can be locked in the working position or turned over by operating the locking mechanism.

Description

A multi-way valve control handle connection device and multi-way valve control mechanism

technical field

The utility model relates to the field of forklifts, in particular to a multi-way valve control handle connection device and a multi-way valve control mechanism.

Background technique

The multi-way valve is an important part of the forklift. The lifting, lowering, tilting forward and backward of the forklift mast and the action of the attachment are all realized through the control handle of the multi-way valve. At present, there are three common position schemes for the multi-way valve control mechanism of counterbalanced forklifts: scheme 1, placed on the front panel of the cab, controlled by machinery; scheme 2, placed on the right side of the seat, controlled by machinery; scheme 2 Three, the multi-way valve is set under the cab, and the joystick is integrated on the seat, controlled electronically.

For electric counterbalanced forklifts, because the battery under the seat needs to be replaced frequently, the battery cover needs to be turned up during replacement. If the second option is adopted, the ergonomic joystick must be close to the seat, and vertical replacement of the battery will cause interference, so Option 1 or Option 3 are often used. However, the adoption of scheme one does not meet ergonomics, and it is easy to cause fatigue to the driver. The adoption of scheme three, although making up for the deficiency of scheme one, has a complicated structure and high cost.

Utility model content

The utility model provides a multi-way valve control handle connection device and a multi-way valve control mechanism, which overcomes the shortcomings of the multi-way valve control mechanism in the prior art.

The technical scheme adopted by the utility model to solve the technical problem is: a multi-way valve joystick connecting device, which is matched with the right side of the seat of the forklift, and includes a base and a handle for movably connecting the multi-way valves. The rotating bracket is hinged to the base in a forward-turnable manner, and a locking mechanism is fitted between the rotating bracket and the base, and the rotating bracket is locked in the working position by the locking mechanism.

Further, the rotating bracket is provided with a bracket cover plate, and the top rear end of the bracket cover plate is adapted to the lower side of the battery cover of the forklift.

Further, it also includes a plurality of rotating blocks for fixing the operating handle of the multi-way valve, the plurality of rotating blocks are respectively rotatably connected to the rotating bracket, and the plurality of rotating blocks and the operating handle of the multi-way valve Corresponding one by one.

Further, it also includes a plurality of connecting rods, which correspond to the operating handles of the multi-way valve one by one, and one end of each connecting rod is respectively used to be hinged with the operating handle of the multi-way valve or the rotating block , the other end of each connecting rod is respectively used to be hinged to the spool of the multi-way valve.

Further, the hinge axes of the connecting rods and the multi-way valve spool respectively coincide with the rotation axes of the rotating bracket.

Further, the locking mechanism includes a lock catch and an impact bolt capable of locking in or out of the lock catch, the lock catch is installed on the rotating bracket, and the impact bolt is installed on the base.

Further, the side of the swivel bracket or the buckle is installed with an elastic device that is arranged backward and can be pressed against the frame plate of the forklift.

Further, the rear end and the left and right sides of the bracket cover plate are provided with waterproof sealing strips and formed with water guide grooves.

Further, the base is provided with a limit pin for limiting the turning angle of the rotating bracket, and/or, the rotating bracket is installed with an elastic device that can be pressed tightly against the top end of the frame plate of the forklift.

A multi-way valve operating mechanism includes a multi-way valve, and also includes the above-mentioned multi-way valve control handle connection device, and each control handle of the multi-way valve is respectively movably connected to the rotating bracket.

Compared with the prior art, the utility model has the following beneficial effects:

1. It is located on the right side of the seat, conforming to ergonomics; few components, simple structure, low cost, easy to assemble, and the control handle of the multi-way valve can be turned by turning over the rotating bracket to give up the space above the battery, avoiding Interference occurs when replacing the battery; easy to operate, the rotating bracket can be locked in the working position or turned over by operating the locking mechanism;

2. The bracket cover is located under the battery cover, avoiding turning over the rotating bracket every time the battery cover is opened, which can greatly improve the service life and stability of the rotating bracket;

3. The rotation axis of the rotating bracket coincides with the hinge axis of the connecting rod, the position of the rotation point is low, and the flip angle is small, so as to avoid accidents caused by the long joystick touching the instrument panel;

4. There is a waterproof design between the bracket cover plate and the battery cover, which can prevent water from entering the battery box;

5. The further elastic device can ensure that the rotating bracket does not shake when it is locked in the working position.

The utility model will be further described in detail below with reference to the accompanying drawings and embodiments; however, the multi-way valve operating handle connection device and the multi-way valve operating mechanism of the utility model are not limited to the embodiments.

Description of drawings

Fig. 1 is the structure schematic diagram of rotating bracket and base, locking mechanism of the present utility model;

Fig. 2 is the structural representation of the base of the present utility model;

Fig. 3 is an exploded schematic view of the rotating bracket and the multi-way valve control handle of the present invention;

Fig. 4 is a schematic diagram of the state of the rotating bracket of the present invention in the working position;

Fig. 5 is a schematic diagram of the state of the rotating bracket of the present invention after it is flipped forward;

Fig. 6 is a schematic diagram of the overall structure of the rotating bracket of the present invention at the working position;

Figure 7 is an enlarged schematic view of part A in Figure 6;

Fig. 8 is a schematic diagram of the overall structure of the rotating bracket of the present invention after it has been flipped forward.

detailed description

For the embodiment, please refer to Fig. 1-Fig. 5, a multi-way valve control handle connecting device of the present invention, which is matched with the right side of the seat of the forklift, includes a base 1, a seat for movably connecting the multi-way valve The rotating bracket 2 of each control handle 41 is hinged to the base 1 in a forward-turnable manner, and a locking mechanism is fitted between the rotating bracket 2 and the base 1, and the rotating bracket 2 is locked in the working position by the locking mechanism.

In this embodiment, the specific structure of the rotating bracket 2 is shown in Figure 1, which includes a first arm, a second arm and a connecting arm between the two arms, the bottom end of the first arm adopts The threaded pin shaft 13 cooperates with the nut 14 and is connected to the base 1 . The structure of the base 1 is shown in Figure 2, the base 1 is locked on the front side of the frame plate 9 of the forklift, and a limit pin 12 is provided at the middle and lower part of the front side for limiting the The flip angle of the rotation bracket 2. The locking mechanism specifically includes a lock catch 3 and an impact bolt 11 that can be locked into or out of the lock catch 3 , the lock catch 3 is installed on the first arm of the rotating bracket 2 , and the impact bolt 11 is arranged on the base 1 the top of.

In this embodiment, the lock buckle 3 is equipped with an elastic device that is arranged backward and can be tightened against the frame plate of the forklift. The elastic device can adjust its position and is a shock absorbing pad 31 . Specifically, the shock absorbing pad 31 is disposed on the bolt 32 and locked on the fixing frame of the buckle 3 by using two nuts 33 .

In the present embodiment, as shown in Figure 3, the utility model also includes a plurality of rotating blocks 5 and a plurality of connecting rods 6, and the plurality of rotating blocks 5 and a plurality of connecting rods 6 are connected with the control handle 41 of the multi-way valve 4 respectively. One-to-one correspondence, and each rotating block 5 is rotatably connected to the rotating bracket 2 respectively. Specifically, a fixed shaft 21 is inserted between the first arm and the second arm of the rotating bracket 2, and the fixed shaft 21 passes through each rotating block 5, nylon bushing 23 and sleeve 22, and each rotating block 5 Sleeves 22 are used to cooperate with nylon bushings 23 for spacing. Each rotating block 5 is similar to an L-shaped structure, one end of which is threadedly connected to the corresponding joystick 41, and the other end is hinged to one end of the corresponding connecting rod 6, and the other end of the connecting rod 6 is hinged to the valve of the multi-way valve 4. core. Specifically, both ends of the connecting rod 6 are respectively provided with threads for threaded connection with the connecting fork 61 , and then the connecting fork 61 is used to hinge with the valve core of the rotary block 5 /multi-way valve 4 .

In the present embodiment, as shown in Figure 6, the rotating bracket 2 is provided with a bracket cover plate 7, and the bracket cover plate 7 is used to wrap the rotating bracket 2, the base 1 and the locking mechanism (the side of the bracket cover plate 7 is provided with a For people's hands to stretch into to touch the opening of the lock catch 3 unlocking), and the top of the bracket cover plate 7 is provided with a corrugated sleeve 8, which is used to prevent dust and make each control handle 41 of the multi-way valve 4 swingable. The top rear end of the bracket cover plate 7 is adapted to the underside of the battery cover 10 of the forklift, and the rear end and the left and right sides of the bracket cover plate 7 are provided with waterproof sealing strips 71 (as shown in Figure 7 ), and A water guiding groove 72 is formed, and the water guiding groove 72 is used to drain water from the left and right sides of the bracket cover plate 7, and cooperate with the waterproof sealing strip 71 to prevent water from entering the battery box.

In this embodiment, the rotating bracket 2 is also equipped with an elastic device that can be tightened on the top of the frame plate 9 of the forklift. Fixed on the swivel bracket 2. The setting of the shock absorber 24 can provide a support for the cooperation between the rotating bracket 2 and the top of the frame plate 9 on the one hand, and can further prevent the rotating bracket 2 from shaking after locking on the other hand.

In the multi-way valve joystick connecting device of the present utility model, the rotation axis of the rotating bracket 2 coincides with the hinge axis of the other end of the connecting rod 6, and the angle of the rotating bracket 2 turning forward is only 28°, as shown in Fig. 8 Show.

The state of the rotating bracket 2 in the working position is as shown in Figure 4. At this time, the impact bolt 11 on the base 1 is locked by the dead bolt of the lock 3, and the elastic device (i.e. the shock pad 31 on the lock 3) resists. Lean against the front side of the vehicle frame plate 9, so that the rotating bracket 2 does not shake after being locked.

The lock catch 3 is a push-type door lock. When the rotating bracket 2 needs to be turned forward, you only need to pull the trigger of the lock catch 3 to unlock it. After unlocking, the rotating bracket 2 drives the control handles 41 of the multi-way valve 4 The rotating block 5 and connecting rod 6 connected thereto are overturned forward, as shown in Figure 5. The spool of the multi-way valve 4 will not be displaced due to the rotation of the rotating bracket 2 .

A multi-way valve control handle connection device of the present utility model, the control handle 41 is located on the right side of the seat, which conforms to ergonomics; after the lock 3 is released, the whole mechanism (excluding the valve of the multi-way valve 4 ) can be easily turned over core and base 1), which is convenient for the hoisting of the battery without obstacles; the whole mechanism (excluding the valve core and base 1 of the multi-way valve 4) can be pushed back to the original position by applying an appropriate force on the bracket cover plate 7. position and lock automatically.

The utility model relates to a connection device for a multi-way valve control handle, which is applicable to various electric counterbalanced forklifts.

A multi-way valve operating mechanism of the present utility model, as shown in Fig. 3-Fig. The rotating bracket 2. Specifically, each control handle 41 of the multi-way valve is threadedly connected to the rotating block 5 installed on the rotating bracket 2;

In other embodiments, each control handle of the multi-way valve may also be directly hinged with the spool of the multi-way valve.

In other embodiments, one end of the connecting rod may also be directly hinged with the operating handle of the multi-way valve, and the other end of the connecting rod is hinged with the valve core of the multi-way valve.

The above-mentioned embodiments are only used to further illustrate a multi-way valve joystick connection device and a multi-way valve control mechanism of the present invention, but the present invention is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made in the examples all fall within the scope of protection of the technical solution of the utility model.

Claims (10)

1. a multiway valve bar handle connecting device, it is characterized in that: on the right side of the seat that it is matched with fork truck, comprise pedestal, for being flexibly connected the swinging strut of each bar handle of multiway valve, this swinging strut can be articulated with pedestal forward turningly, and and be combined with catch gear between pedestal, utilize this catch gear that swinging strut is locked in control position.

2. multiway valve bar handle connecting device according to claim 1, is characterized in that: described swinging strut is provided with support cover plate, and the top rear of this support cover plate adapts to the downside of the battery cover of fork truck.

3. multiway valve bar handle connecting device according to claim 1, it is characterized in that: the swivel block also comprising multiple bar handle for affixed multiway valve, the plurality of swivel block is connected to described swinging strut respectively rotationally, and the plurality of swivel block is corresponding one by one with the bar handle of multiway valve.

4. multiway valve bar handle connecting device according to claim 3, it is characterized in that: also comprise multiple connecting rod, the plurality of connecting rod is corresponding one by one with the bar handle of multiway valve, and one end of each connecting rod is respectively used to be hinged with the bar handle of multiway valve or described swivel block, the other end of each connecting rod is respectively used to the spool being articulated with described multiway valve.

5. multiway valve bar handle connecting device according to claim 4, is characterized in that: the hinge axes of described each connecting rod and valve core of multiway valve respectively with the rotation axis coincident of described swinging strut.

6. multiway valve bar handle connecting device according to claim 1, is characterized in that: described lockout mechanism comprises snap close and can lock or exit the impact bolt of this snap close, and snap close is installed on described swinging strut, impacts bolt and is installed on described pedestal.

7. multiway valve bar handle connecting device according to claim 6, is characterized in that: described swinging strut side or described snap close are provided with the springing arranging and also can hold out against the vehicle frame plate in fork truck backwards.

8. multiway valve bar handle connecting device according to claim 2, is characterized in that: rear end and the left and right sides of described support cover plate are provided with water-proof sealing strip, and are formed with guiding gutter.

9. multiway valve bar handle connecting device according to claim 1, it is characterized in that: described pedestal is provided with the locating dowel pin for limiting described swinging strut flip angle, and/or described swinging strut is provided with the springing on the vehicle frame plate top that can hold out against in fork truck.

10. a multi-way valve operating mechanism, comprises multiway valve, it is characterized in that: also comprise multiway valve bar handle connecting device as claimed in any one of claims 1-9 wherein, each bar handle of multiway valve is movably connected on described swinging strut respectively.