CN109911818B - Armrest linkage structure and forklift - Google Patents
Armrest linkage structure and forklift Download PDFInfo
- Publication number
- CN109911818B CN109911818B CN201711321300.XA CN201711321300A CN109911818B CN 109911818 B CN109911818 B CN 109911818B CN 201711321300 A CN201711321300 A CN 201711321300A CN 109911818 B CN109911818 B CN 109911818B
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- battery cover
- armrest
- rotating frame
- rotating
- sleeve
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Handcart (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
An armrest linkage mechanism and a forklift are arranged between an armrest and a battery cover and comprise a transmission part, a traction rope and a rotating frame; the transmission part is provided with a first rotating shaft which is in rotating connection with the hinging sleeve of the battery cover and is eccentrically arranged so as to eccentrically rotate when the battery cover is opened or closed; the rotating frame is fixed on the armrest and is rotationally connected with the seat; one end of the traction rope is fixed on the transmission part, and the other end of the traction rope is fixedly connected with the rotating frame so as to drive the rotating frame to rotate to retract or expand the handrail when the first rotating shaft eccentrically rotates. The invention can shorten the radius of the handrail in the opening process of the battery cover, reduce the occupation of the handrail in driving space, facilitate the getting on and off of the two sides and avoid the collision problem.
Description
Technical Field
The invention relates to the field of vehicles, in particular to an armrest linkage mechanism and a forklift.
Background
In engineering vehicles, in order to reduce fatigue in operation, a mechanism for supporting an armrest is provided on a seat, and in order to provide man-machine operability, the armrest is generally designed to be extendable in a front-rear direction or in an up-down direction. The handrail of this structure has the following disadvantages:
1. the armrests occupy the space on the side of the seat, the driver is not facilitated to get on or off the vehicle from the side;
2. The armrest extends forward, which can easily cause the armrest to collide with the cab for some vehicles that require the hood to be opened.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the handrail linkage mechanism and the forklift, which have simple structures and can automatically or manually retract handrails to avoid interference.
The invention adopts the following technical scheme:
An armrest linkage mechanism is installed between an armrest and a battery cover, and is characterized in that: comprises a transmission part, a traction rope and a rotating frame; the transmission part is provided with a first rotating shaft which is in rotating connection with the hinging sleeve of the battery cover and is eccentrically arranged so as to eccentrically rotate when the battery cover is opened or closed; the rotating frame is fixed on the armrest and is rotationally connected with the seat; one end of the traction rope is fixed on the transmission part, and the other end of the traction rope is fixedly connected with the rotating frame so as to drive the rotating frame to rotate to retract or expand the handrail when the first rotating shaft eccentrically rotates.
Preferably, the hinge sleeve is provided with a sliding groove, and the first rotating shaft is in sliding fit with the sliding groove.
Preferably, the sliding groove is perpendicular to the hinge shaft of the hinge sleeve.
Preferably, the seat also comprises a sleeve, one end of the sleeve is relatively fixed with the seat, the other end of the sleeve is fixed at the position, close to the hinged sleeve, of the battery cover, and the traction rope is arranged in the sleeve in a penetrating mode.
Preferably, the seat further comprises a bracket, wherein the bracket is fixed on the seat; the rotating frame is rotationally connected with the bracket.
Preferably, the bracket is further provided with a limiting plate, and the limiting plate is provided with a first limiting surface and a second limiting surface to limit the rotating angle of the rotating frame.
Preferably, the first limiting surface and the second limiting surface are perpendicular.
Preferably, the device further comprises an elastic piece, and the elastic piece is connected between the bracket and the rotating frame.
Preferably, the rotating frame is provided with a connecting shaft, and one end of the traction rope is fixedly sleeved on the connecting shaft.
A forklift comprises a seat, a battery cover and a frame; the seat is arranged on the battery cover, one end of the battery cover is provided with a hinge sleeve, and the hinge sleeve is hinged with the frame; the method is characterized in that: further comprising any of the armrest linkages of claims 1-9. As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the mechanism and the forklift, the transmission part, the traction rope and the rotating frame are matched, so that the handrail can be manually folded, or the rotating frame is pulled by the traction rope to drive the handrail to be folded at the side part of the seat in the opening process of the battery cover, the radius of the handrail in the opening process of the battery cover is shortened, the occupied space of the handrail in driving is reduced, the two sides can be conveniently driven to get on or off, and the collision problem is avoided.
2. According to the mechanism and the forklift, the hinged sleeve is further provided with the sliding groove, and when the battery cover is continuously turned from the intermediate position to the target position, the transmission piece slides along the sliding groove to avoid continuously pulling the handrail, so that the total stroke required by opening the battery cover is met.
3. The mechanism and the forklift are also provided with the sleeve for the traction rope to pass through, so as to play a role in guiding and protect the traction rope and ensure the linkage to be reliable and accurate.
4. According to the mechanism and the forklift, the limiting plate is further arranged on the bracket, and the rotating angle of the rotating frame is limited through the first limiting surface and the second limiting surface.
5. According to the mechanism and the forklift, the elastic piece is arranged between the bracket and the rotating frame, so that the mechanism and the forklift can play a role in assisting and stabilizing compression when the armrests are folded or unfolded, and the shaking, falling after folding and the like in the running process of a vehicle are prevented.
Drawings
Fig. 1 is a main structural view (battery cover closed) of the present invention;
FIG. 2 is a partial perspective view (armrest deployment) of the present invention;
FIG. 3 is a state diagram (battery cover closed) of the present invention;
Fig. 4 is a battery of the present invention cover bottom structure;
FIG. 5 is a main construction diagram (intermediate position) of the present invention;
FIG. 6 is a partial perspective view of the present invention (armrest stowed);
FIG. 7 is a partial state diagram (intermediate position) of the present invention;
FIG. 8 is a main construction diagram (target position) of the present invention;
FIG. 9 is a partial state diagram (target position) of the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9;
FIG. 11 is a view of the present invention in use (battery cover closed);
FIG. 12 is a view of the present invention in use (neutral position);
FIG. 13 is a state diagram (target position) of the present invention in use;
FIG. 14 is a schematic diagram of the present invention;
wherein: 10. the seat comprises a transmission part, 11, a connecting plate, 12, a first rotating shaft, 20, a traction rope, 21, a sleeve, 22, a limiting block, 30, a rotating frame, 31, a shaft sleeve, 32, a connecting shaft, 33, a first blocking surface, 34, a second blocking surface, 40, a bracket, 41, a second rotating shaft, 42, a limiting plate, 43, a fixing plate, 44, a bayonet, 45, a first limiting surface, 46, a second limiting surface, 50, an elastic part, 60, a handrail, 70, a battery cover, 71, a hinge sleeve, 72, a sliding chute, 73, a supporting plate, 80 and a seat.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 14, an armrest linkage mechanism is installed between an armrest 60 and a battery cover 70, the battery cover 70 is provided with a hinge sleeve 71, the hinge sleeve 71 is hinged with a corresponding position of a battery box of a vehicle frame, and the battery cover 70 can be controlled to rotate around a hinge shaft to be opened or closed. The mechanism of the invention comprises a transmission member 10, a traction rope 20, a rotating frame 30, a sleeve 21, a bracket 40 and the like. The transmission member 10 is provided with two connecting plates 11 and a first rotating shaft 12, the first rotating shaft 12 is fixedly connected to one end of the two connecting plates 11, the first rotating shaft 12 is rotatably connected with the hinge sleeve 71 of the battery cover 70, and the first rotating shaft 12 is eccentrically arranged, i.e. is not on the same axis with the hinge shaft. The transmission member 10 eccentrically rotates when the battery cover 70 is opened or closed.
Further, the hinge sleeve 71 is provided with a sliding groove 72, the sliding groove 72 is perpendicular to the hinge shaft, and the first rotating shaft 12 of the transmission member 10 is in sliding fit with the sliding groove 72.
The seat 80 is mounted on the battery cover 70, the bracket 40 is fixed to the side of the seat 80 and is provided with a second rotating shaft 41, a limiting plate 42, a fixing plate 43 and the like, the second rotating shaft 41 is vertically arranged on one side of the bracket 40, and the fixing plate 43 is vertically arranged on the other side of the bracket 40 and is close to the battery cover 70. The fixing plate 43 is provided with a bayonet 44. The limiting plate 42 is vertically fixed at a position near the bottom of the bracket 40, the limiting plate 42 is further provided with a first limiting surface 45 and a second limiting surface 46, the first limiting surface 45 is located on the top surface of the limiting plate 42, and the second limiting surface 46 is located on the side portion of the limiting plate 42 and is perpendicular to the first limiting surface 45.
The turret 30 is fixed to the side of the armrest 60 and opposite to the bracket 40, and is provided with a sleeve 31 and a connecting shaft 32. The shaft sleeve 31 is sleeved on the second rotating shaft 41 of the bracket 40 and is connected with the second rotating shaft in a rotating way. The connecting shaft 32 is vertically fixed to the turret 30 near the top and on the opposite side of the frame 40. The rotating frame 30 is correspondingly provided with a first blocking surface 33 and a second blocking surface 34 at one side opposite to the limiting plate 42, and the first blocking surface 33 is positioned above the second blocking surface. The second stop surface 34 is in close or abutting contact with the second stop surface 46 when the armrest 60 is extended. When the armrest 60 is retracted, the first blocking surface 33 abuts against the first limiting surface 45. The limiting plate 42 is used to limit the rotation angle (e.g., 65 °) of the rotating frame 30, and the rotation angle can be changed by adjusting the position of the limiting plate 42.
One end of the sleeve 21 is fixedly arranged on a bayonet 44 of the fixing plate 43 in a penetrating manner. A support plate 73 is arranged on the bottom surface of the battery cover 70 near the hinge sleeve 71, and the other end of the sleeve 21 is fixedly arranged on the support plate 73 in a penetrating manner. One end of the traction rope 20 is fixed at the other ends of the two connecting plates 11 of the transmission member 10, and the other end of the traction rope 20 passes through the sleeve 21 and is fixedly connected with the connecting shaft 32 of the rotating frame 30. The traction rope 20 is also provided with a part near the end part the limiting block 22 is used for limiting the traction rope 20. When the first shaft 12 rotates eccentrically, the traction rope 20 drives the rotating frame 30 to rotate to retract or unwind the armrest 60.
Further, there is an elastic member 50, and the elastic member 50 is a gas spring, and one end of the elastic member is fixed to the bracket 40 near the top, and the other end of the elastic member is fixed to the connecting shaft 32. When the rotating frame 30 rotates, the power assisting and stable compacting functions are achieved, and shaking and falling of the handrail 60 after being retracted in the vehicle driving process are prevented.
The invention also provides a forklift, which comprises a seat 80, a battery cover 70, a frame and the like. The seat 80 is mounted on the battery cover 70, one end of the battery cover 70 is provided with a hinge sleeve 71, and the hinge sleeve 71 is hinged with a corresponding position of a battery box of the vehicle frame. The armrest linkage mechanism is characterized by further comprising the armrest linkage mechanism.
The operating principle of the armrest linkage mechanism and the forklift of the present invention is as follows, referring to fig. 11 to 14, one end of the chute 72 is set to B, the other end of the chute 72 is set to P, the position of the battery cover 70 when closed is set to D, the intermediate position is set to E, and the target position is set to F; the position of the second rotating shaft 41 is H when the bayonet 44 of the fixing plate 43 is at the closed position of the K battery cover 70, and the position of the second rotating shaft 41 is I when the fixing plate is at the intermediate position.
Initial state: the battery cover 70 is closed and the armrest 60 is unfolded, the first rotating shaft 12 is located at one end of the sliding groove 72, the second blocking surface 34 of the rotating frame 30 is close to or in abutting contact with the second limiting surface 46 of the limiting plate 42, the elastic member 50 is in a stretched state, and an included angle between the BD and the BP is an obtuse angle.
And (3) folding the armrests: when the armrest 60 is turned up by manual operation, the rotating frame 30 rotates around the second rotating shaft 41 until the first blocking surface 33 of the rotating frame 30 abuts against the first limiting surface 45, and the armrest 60 is retracted.
The battery cover is opened: when the battery cover 70 is turned up manually, the first rotating shaft 12 of the transmission member 10 is eccentric to the hinge shaft, the transmission member 10 eccentrically rotates to pull the traction rope 20, the traction rope 20 pulls the connecting shaft 32 to enable the rotating frame 30 to rotate around the second rotating shaft 41, when the battery cover 70 is turned up to be close to the middle position E (40-degree position), the first limiting surface 45 abuts against the second blocking surface 34, the handrail 60 is retracted, and the elastic member 50 passes through the shortest stroke from the stretching state to reach the stretching state; the battery cover 70 continues to BE turned up to reach the target position F (85 °) because the included angle between BE and BP is acute, the first rotation shaft 12 of the transmission member 10 moves to the other end along the chute 72, so as to avoid the traction rope 20 from continuously pulling the handrail 60, and in this process, the deviation of the lengths of PF and BE is within 10mm, so as to avoid continuously pulling the handrail 60. In the whole process, BD+KH=BE+KI+10=PF+KI, the pulling stroke of the pulling rope 20 is about 50mm, the tensioning force is about 600N, and the length of the sliding groove is about 45 mm. The battery cover 70 is closed in reverse order to the opening procedure.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (9)
1. An armrest linkage mechanism is installed between an armrest and a battery cover, and is characterized in that: the hinged sleeve of the battery cover is provided with a chute and comprises a transmission part, a traction rope and a rotating frame; the transmission part is provided with a first rotating shaft which is in sliding fit with the sliding groove, and the first rotating shaft is in rotating connection with the hinging sleeve and is eccentrically arranged so as to eccentrically rotate and move along the sliding groove when the battery cover is opened or closed; the rotating frame is fixed on the armrest and is rotationally connected with the seat; one end of the traction rope is fixed on the transmission part, and the other end of the traction rope is fixedly connected with the rotating frame so as to drive the rotating frame to rotate to retract or expand the handrail when the first rotating shaft eccentrically rotates and moves to one end or the other end along the sliding groove.
2. A handrail linkage as claimed in claim 1, wherein: the sliding groove is perpendicular to the hinge shaft of the hinge sleeve.
3. The armrest linkage mechanism as set forth in claim 1 further comprising a sleeve having one end secured relative to said seat and the other end secured to said battery cover adjacent said hinge sleeve, said pull cord extending through said sleeve.
4. A handrail linkage as claimed in claim 1, wherein: the seat also comprises a bracket which is fixed on the seat; the rotating frame is rotationally connected with the bracket.
5. A handrail linkage as claimed in claim 4, wherein: the bracket is also provided with a limiting plate, and the limiting plate is provided with a first limiting surface and a second limiting surface to limit the rotating angle of the rotating frame.
6. A handrail linkage as claimed in claim 5, wherein: the first limiting surface is perpendicular to the second limiting surface.
7. A handrail linkage as claimed in claim 4, wherein: the device also comprises an elastic piece, wherein the elastic piece is connected between the bracket and the rotating frame.
8. A handrail linkage as claimed in claim 1, wherein: the rotating frame is provided with a connecting shaft, and one end of the traction rope is fixedly sleeved on the connecting shaft.
9. A forklift comprises a seat, a battery cover and a frame; the seat is arranged on the battery cover, one end of the battery cover is provided with a hinge sleeve, and the hinge sleeve is hinged with the frame; the method is characterized in that: further comprising the armrest linkage of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321300.XA CN109911818B (en) | 2017-12-12 | 2017-12-12 | Armrest linkage structure and forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321300.XA CN109911818B (en) | 2017-12-12 | 2017-12-12 | Armrest linkage structure and forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109911818A CN109911818A (en) | 2019-06-21 |
| CN109911818B true CN109911818B (en) | 2024-09-06 |
Family
ID=66957814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711321300.XA Active CN109911818B (en) | 2017-12-12 | 2017-12-12 | Armrest linkage structure and forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109911818B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207738401U (en) * | 2017-12-12 | 2018-08-17 | 林德（中国）叉车有限公司 | A kind of handrail switching mechanism and fork truck |
| CN207738400U (en) * | 2017-12-12 | 2018-08-17 | 林德（中国）叉车有限公司 | A kind of handrail linkage structure and fork truck |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3132617B2 (en) * | 1993-11-17 | 2001-02-05 | 小松フォークリフト株式会社 | Industrial vehicle seat mounting device |
| JP4237366B2 (en) * | 1999-12-17 | 2009-03-11 | 住友ナコ マテリアル ハンドリング株式会社 | Battery hood for electric forklift |
| JP2002220197A (en) * | 2001-01-25 | 2002-08-06 | Tcm Corp | Operation lever safety device |
| JP4085675B2 (en) * | 2002-04-01 | 2008-05-14 | 株式会社豊田自動織機 | Industrial vehicle |
| JP4852912B2 (en) * | 2005-07-15 | 2012-01-11 | 株式会社豊田自動織機 | Industrial vehicle |
| DE102010007156A1 (en) * | 2010-02-05 | 2011-08-11 | Linde Material Handling GmbH, 63743 | Industrial truck has unit area, particularly battery box that receives battery block, where unit area receives energy supply unit, and interlocking device is provided with interlocking lock and locking bolt, particularly locking pin |
| US20150252594A1 (en) * | 2012-10-09 | 2015-09-10 | Volvo Construction Equipment Ab | Lock device for hood of engine room of construction machine |
| CN107399694B (en) * | 2017-07-06 | 2023-03-31 | 林德（中国）叉车有限公司 | Seat stop gear and fork truck |
-
2017
- 2017-12-12 CN CN201711321300.XA patent/CN109911818B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207738401U (en) * | 2017-12-12 | 2018-08-17 | 林德（中国）叉车有限公司 | A kind of handrail switching mechanism and fork truck |
| CN207738400U (en) * | 2017-12-12 | 2018-08-17 | 林德（中国）叉车有限公司 | A kind of handrail linkage structure and fork truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109911818A (en) | 2019-06-21 |
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