Operating handle

Abstract

The utility model relates to an operating handle which is used for a piling car and comprises a lifting rod assembly, a sliding cylinder and a guide rod, the sliding cylinder is sleeved outside the guide rod and can slide along the axial direction of the guide rod, and a locking device used for locking the relative position of the sliding cylinder and the guide rod is arranged between the sliding cylinder and the guide rod. The bearing seat is fixed on the frame, the guide rod is rotatably fixed on the bearing seat through a bearing, and the lower end of the guide rod downwards extends out of the bearing seat; the lower mounting seat is fixed at the lower end of the guide rod and synchronously rotates along with the guide rod; and the torsional spring is arranged outside the guide rod in a sleeving manner and located between the lower mounting seat and the bearing seat, one connecting arm of the torsional spring is connected with the lower mounting seat, and the other connecting arm of the torsional spring is connected with the bearing seat. According to the scheme, the vertical height of the frame can be adjusted, and the frame can be automatically reset to the zero position state.

Description

Technical Field

[0001] The utility model relates to the technical field of stacking trucks, in particular to an operating handle. Background Art

[0002] In the prior art, in the control part of the stacker, the operating handle has a certain height up and down, and the driver's hand must always keep the operating handle stable during driving. At present, most of my country's "multiple people in one car" and "change batteries without changing cars" form, the height and arm length of the driver must be different, and the working hours a day may be no less than 8 hours, so the existing operating handle is less comfortable and reliable to use, which will greatly reduce work efficiency. Summary of the invention

[0003] In order to solve the above problems, the purpose of the utility model is to provide an operating handle for a stacker, which can be adjusted in height up and down on a frame and automatically reset to a zero position.

[0004] An operating handle, comprising:

[0005] The lifting rod assembly comprises a sliding cylinder and a guide rod, wherein the sliding cylinder is sleeved outside the guide rod and can slide axially along the guide rod, and a locking device for locking the relative position of the sliding cylinder and the guide rod is provided between the sliding cylinder and the guide rod;

[0006] A bearing seat is fixed on the vehicle frame, a guide rod is rotatably fixed on the bearing seat through a bearing, and a lower end of the guide rod extends downwardly out of the bearing seat;

[0007] The lower mounting seat is fixed to the lower end of the guide rod and rotates synchronously with the guide rod;

[0008] The torsion spring is sleeved on the outside of the guide rod and is located between the lower mounting seat and the bearing seat. One of the connecting arms of the torsion spring is connected to the lower mounting seat, and the other connecting arm is connected to the bearing seat.

[0009] Preferably, a gas spring is provided between the guide rod and the sliding cylinder, and the expansion and contraction direction of the gas spring is arranged along the axial direction of the guide rod.

[0010] Preferably, the locking device includes a slide groove arranged on the sliding cylinder, and a fixing bolt with one end passing through the slide groove and fixed on the guide rod. The slide groove is arranged parallel to the axial direction of the sliding cylinder. When the fixing bolt is loosened, the sliding cylinder can slide axially relative to the guide rod. When the fixing bolt is locked, the relative positions of the sliding cylinder and the guide rod are locked.

[0011] Preferably, one end of the fixing bolt is connected to a handle.

[0012] Preferably, a damping adjustment device is provided between the guide rod and the bearing seat, and the damping adjustment device includes a damping disc, a friction plate and a friction base plate arranged in sequence from top to bottom, the damping disc is fixed on the guide rod and moves synchronously with the guide rod; the friction plate and the friction base plate are arranged in sequence in the mounting groove at the upper end of the bearing seat, and the friction plate is in friction contact with the damping disc; a plurality of holes are provided in the mounting groove of the bearing seat, and compression springs are provided in the holes, the compression springs abut against the friction base plate from below, and bolts are provided to adjust the compression amount of the compression springs.

[0013] Preferably, the telescopic end of the gas spring is fixed on the sliding cylinder, and the other end of the gas spring is fixed on the damping disk.

[0014] Preferably, a first shifting rod is fixed on the bearing seat, a second shifting rod is fixed on the lower fixed seat, and two connecting arms of the torsion spring are respectively connected to the first shifting rod and the second shifting rod.

[0015] Preferably, two or more set screws are provided on the lower mounting seat, and the set screws support the inner ring of the bearing on the bearing mounting seat from below.

[0016] The present application also aims to provide a stacker, comprising an operating handle as described in any one of the above items.

[0017] Due to the adoption of the above scheme, the handle operated by the driver is fixed on the sliding cylinder, and the height adjustment of the lifting rod assembly is achieved by sliding the sliding cylinder up and down on the guide rod, so as to adapt to drivers of different heights and arm lengths, and improve the comfort of use; and, since the position of the bearing seat is fixed, the lower mounting seat rotates synchronously with the lifting rod assembly, and the torsion spring is driven to undergo elastic deformation; after the external force is removed, the restoring force of the torsion spring can drive the lifting rod assembly to automatically return to the normal position. In addition, the above-mentioned installation structure can be installed on the vehicle frame as a whole after the components are assembled, and the structure is compact and easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of this application;

[0019] Figure 2 An exploded view of this application;

[0020] Figure 3 It is a structural schematic diagram of a sliding cylinder;

[0021] Figure 4 is a structural schematic diagram of the guide rod;

[0022] Figure 5 is a schematic diagram of the structure of the damping disk;

[0023] Figure 6 is a structural schematic diagram of the bearing seat;

[0024] Figure 7 is a cross-sectional view of the bearing seat;

[0025] Figure 8 It is a structural schematic diagram of the lower mounting seat.

[0026] Reference numerals:

[0027] 1. Sliding cylinder, 2. Wire retaining ring for hole, 3. Graphite bushing, 4. Wire retaining ring for shaft, 5. Guide rod, 6. Locking bolt gasket, 7. Locking bolt, 8. Handle, 10. Gas spring, 11. Damping disc, 14. Friction plate, 15. Friction base plate, 16. Deep groove ball bearing, 17. Bearing seat, 18. Compression spring, 20. Bolt, 21. Torsion spring, 22. Lower mounting seat, 24. Set screw. DETAILED DESCRIPTION

[0028] The embodiments of the present utility model are described in detail below.

[0029] like Figure 1-2 As shown, this embodiment provides an operating handle, characterized in that it includes: a lifting rod assembly, including a sliding cylinder 1 and a guide rod 5, the sliding cylinder 1 is sleeved on the outside of the guide rod 5, the sliding cylinder 1 can slide axially along the guide rod 5, and a locking device for locking the relative positions of the sliding cylinder 1 and the guide rod 5 is provided between the sliding cylinder 1 and the guide rod 5; a bearing seat 17, fixed on the frame, the guide rod 5 is rotatably fixed on the bearing seat 17 through a bearing, and the lower end of the guide rod 5 extends downward from the bearing seat 17; a lower mounting seat 22, fixed on the lower end of the guide rod 5, and rotates synchronously with the guide rod 5; a torsion spring 21, sleeved on the outside of the guide rod 5, located between the lower mounting seat 22 and the bearing seat 17, one of the connecting arms of the torsion spring 21 is connected to the lower mounting seat 22, and the other connecting arm is connected to the bearing seat 17.

[0030] The handle operated by the driver is fixed on the sliding cylinder 1, and the height adjustment of the lifting rod assembly is realized by sliding the sliding cylinder 1 up and down on the guide rod 5 to adapt to drivers of different heights and arm lengths, thereby improving the comfort of use; and, since the position of the bearing seat 17 is fixed, the lower installation

[0031] The seat 22 rotates synchronously with the lifting rod assembly, which drives the torsion spring 21 to undergo elastic deformation; after the external force is removed, the restoring force of the torsion spring 21 can drive the lifting rod assembly to automatically return to the original position. In addition, the above-mentioned installation structure can be installed on the vehicle frame as a whole after the components are assembled, which is compact and easy to assemble.

[0032] like Figure 2-4As shown, the locking device includes a slide groove a1 arranged on the sliding cylinder, and a set bolt 7 with one end passing through the slide groove a1 and fixed on the guide rod 5. The slide groove a1 is arranged parallel to the axial direction of the sliding cylinder 1. When the set bolt 7 is loosened, the sliding cylinder 1 can slide axially relative to the guide rod 5. When the set bolt 7 is locked, the relative positions of the sliding cylinder 1 and the guide rod 5 are locked. In this embodiment, the hole wire retaining ring 2 is installed in the groove a3 in the sliding cylinder 1, the graphite bushing 3 is installed between the two hole wire retaining rings, the shaft wire retaining ring 4 is installed on the groove b4 on the guide rod 5, the graphite bushing 3 is installed between the shaft wire retaining ring 4 and the guide rod 5 and the threaded hole b1, and the sliding cylinder 1 is sleeved on the outside of the guide rod 5, so that the sliding cylinder 1 can slide axially on the guide rod 5. The retaining ring and the bushing make the sliding between the sliding cylinder and the guide rod smoother. The fixing bolt passes through the slide groove a1 of the sliding cylinder and is fixed on the threaded hole b1 of the guide rod. The height suitable for oneself is adjusted or fixed by loosening or tightening the fixing bolt 7. The locking nut gasket 6 is installed between the locking bolt 7 and the sliding roller 1.

[0033] Preferably, Figure 2 As shown, one end of the set bolt 7 is connected to a handle 8 to facilitate the operation of loosening and locking the set bolt 7. In this embodiment, the set bolt 7 and the handle 8 are fixed by threads and nuts 9, and the connection method is simple.

[0034] In a preferred embodiment, a gas spring 10 is provided between the guide rod 5 and the sliding cylinder 1, and the expansion and contraction direction of the gas spring 10 is arranged along the axial direction of the guide rod 5. In this way, when the locking bolt 7 is loosened, the gas spring 10 can automatically lift the sliding cylinder 1 for height adjustment, which is more convenient to operate.

[0035] In this embodiment, a damping adjustment device is provided between the guide rod 5 and the bearing seat 17, and the damping adjustment device includes a damping plate 11, a friction plate 14 and a friction bottom plate 15 arranged in sequence from top to bottom. The damping plate 11 is fixed on the guide rod 5 and moves synchronously with the guide rod 5; the friction plate 14 and the friction bottom plate 15 are arranged in the mounting groove at the upper end of the bearing seat 17 in sequence, and the friction plate 14 is in friction contact with the damping plate 11; a plurality of holes are provided in the mounting groove of the bearing seat 17, and a compression spring 18 is provided in the hole, and the compression spring 18 abuts against the friction bottom plate 15 from below, and a bolt 20 is provided to adjust the compression amount of the compression spring. Figure 2 and Figure 5The hole c2 on the damping disc 11 is matched with the hole b2 on the guide rod 5 through an elastic cylindrical pin. The upper end of the gas spring 10 is installed in the threaded hole a2 of the sliding cylinder 1, and the lower end is fixed to the threaded hole c1 on the damping disc 11 with a bolt. When the locking bolt 7 is loosened, the gas spring 10 can automatically lift the sliding cylinder 1. Two deep groove ball bearings 16 are installed in the bearing seat 17, and the friction base plate 15 and the friction plate 14 are successively installed in the mounting groove of the bearing seat 17. The assembled rolling cylinder 1, the guide rod 5, and the damping disc 11 are inserted into the inner rings of the two deep groove ball bearings 16 until the damping disc 11 contacts the friction plate 14. Three compression springs 18 are respectively installed in the holes d3 of the bearing seat 17. The friction between the damping disc 11 and the friction plate 14 is increased and decreased by locking and loosening the lower bolts 20 to provide a smoother damping effect. Preferably, two or more set screws 24 are respectively installed in the threaded holes e2 of the lower mounting seat 22 to support the inner ring of the deep groove ball bearing (6006) below, thereby improving the stability of the entire device and preventing shaking. In this embodiment, three set screws 24 are used.

[0036] like Figure 6-8 The hole e1 of the mounting seat is connected and fixed with the hole b3 of the guide rod through an elastic cylindrical pin. A first lever f1 is fixed below the bearing seat 17, and a second lever e3 is fixed on the lower fixed seat 22. The two connecting arms of the torsion spring 21 are connected to the first lever f1 and the second lever e3 respectively. When the sliding cylinder 1 is rotated by an external force, the guide rod 5, the damping plate 11, and the lower mounting seat 22 rotate synchronously. At this time, the torsion spring 22 is in

[0037] The sliding cylinder 1 is in a torsional state and releases the energy after the external force is removed, so that the sliding cylinder 1 is reset to the zero position.

[0038] Embodiment 2:

[0039] This embodiment provides a stacker, comprising the operating handle in Embodiment 1.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An operating handle, characterized in that: include: The lifting rod assembly comprises a sliding cylinder and a guide rod, wherein the sliding cylinder is sleeved outside the guide rod and can slide axially along the guide rod, and a locking device for locking the relative position of the sliding cylinder and the guide rod is provided between the sliding cylinder and the guide rod; A bearing seat is fixed on the vehicle frame, a guide rod is rotatably fixed on the bearing seat through a bearing, and a lower end of the guide rod extends downwardly out of the bearing seat; The lower mounting seat is fixed to the lower end of the guide rod and rotates synchronously with the guide rod; The torsion spring is sleeved on the outside of the guide rod and is located between the lower mounting seat and the bearing seat. One of the connecting arms of the torsion spring is connected to the lower mounting seat, and the other connecting arm is connected to the bearing seat.

2. An operating handle according to claim 1, characterized in that: A gas spring is arranged between the guide rod and the sliding cylinder, and the expansion and contraction direction of the gas spring is arranged along the axial direction of the guide rod.

3. An operating handle according to claim 1, characterized in that: The locking device includes a slide groove arranged on the sliding cylinder, and a fixing bolt with one end passing through the slide groove and fixed on the guide rod. The slide groove is arranged parallel to the axial direction of the sliding cylinder. When the fixing bolt is loosened, the sliding cylinder can slide axially relative to the guide rod. When the fixing bolt is locked, the relative positions of the sliding cylinder and the guide rod are locked.

4. An operating handle according to claim 3, characterized in that: One end of the set bolt is connected with a handle.

5. The operating handle according to claim 1, characterized in that: A damping adjustment device is provided between the guide rod and the bearing seat, and the damping adjustment device includes a damping disc, a friction plate and a friction base plate which are arranged in sequence from top to bottom. The damping disc is fixed on the guide rod and moves synchronously with the guide rod; the friction plate and the friction base plate are arranged in sequence in the mounting groove at the upper end of the bearing seat, and the friction plate is in friction contact with the damping disc; a plurality of holes are provided in the mounting groove of the bearing seat, and compression springs are provided in the holes. The compression springs abut against the friction base plate from below, and bolts are provided to adjust the compression amount of the compression springs.

6. An operating handle according to claim 5, characterized in that: The telescopic end of the gas spring is fixed on the sliding cylinder, and the other end of the gas spring is fixed on the damping disc.

7. An operating handle according to claim 1, characterized in that: A first shifting rod is fixed on the bearing seat, a second shifting rod is fixed on the lower fixed seat, and two connecting arms of the torsion spring are respectively connected with the first shifting rod and the second shifting rod.

8. The operating handle according to claim 1, characterized in that: The lower mounting seat is provided with two or more set screws, and the set screws support the inner ring of the bearing on the bearing mounting seat from below.

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