CN204300327U - A kind of electri forklift gearshift rocker structure - Google Patents
A kind of electri forklift gearshift rocker structure Download PDFInfo
- Publication number
- CN204300327U CN204300327U CN201420710438.4U CN201420710438U CN204300327U CN 204300327 U CN204300327 U CN 204300327U CN 201420710438 U CN201420710438 U CN 201420710438U CN 204300327 U CN204300327 U CN 204300327U
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- Prior art keywords
- ball
- electri forklift
- rocking bar
- rectangular tube
- rocker structure
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Abstract
The utility model discloses a kind of electri forklift gearshift rocker structure, it is characterized in that, it is the rectangular tube of rectangle that described rocking bar comprises the cross section that bottom is positioned at housing, the cross section also comprising top is circular round tube, there is between rectangular tube and round tube plastic fastening that an injection molded obtains and be fixed with one by plastic fastening, described rectangular tube lower end is provided with hinge axis hole, the rectangular tube of hinge axis hole upper end runs through the mounting cylinder be provided with for mounting limit mechanism, round tube upper end mounting knob.It is simple that the utility model has structure, conveniently produces, the installation facilitating self hinged and the setting of handle, and facilitate mounting limit structure to realize the advantage spacing to rear three gears in before rocking bar.
Description
Technical field
The utility model relates to a kind of electri forklift gearshift, particularly relates to a kind of electri forklift gearshift rocker structure.
Background technology
Fork truck refer to member pallet cargo is loaded and unloaded, stacking and short distance transport, weight transport operation various wheeled carrying vehicle, International Organization for standardization ISO/TC110 is called industrial vehicle, belong to material carrying machine, being widely used in station, harbour, airport, factory, warehouse Deng Ge sector of the national economy, is the high-efficiency appliance that mechanized handling, stacking and short distance are transported.
Common fork truck is all using internal combustion engine as power, but generally works in factory building due to fork truck, adopts internal combustion engine, the defect such as there is noise and air pollution is larger.Therefore there is the electri forklift using battery as power in recent years.
The gearshift of existing electri forklift is generally imitated electric automobile gearshift device, is provided with multiple gear and controls, then in conjunction with the mode that battery current regulates, for controlling car speed.But in fact electri forklift is owing to being generally work in warehouse or factory building, is and runs at a low speed during work, thus self to the speed of a motor vehicle regulation and control demand far below electric automobile, without the need to too much gearshift requirement in actual travel process.So need project organization simple, operation is applicable to the gearshift that electri forklift uses reliably.
In order to solve the problem, applicant considers to design a kind of electri forklift gearshift, wherein devise housing and the rocking bar of hollow, rocking bar lower end is arranged in housing rotationally, upper end extends upward housing and arranges handle, then install two proximity switches in enclosure interior, two proximity switches correspondence is arranged at rocking bar installing rotation path two ends in cavity and the control that moves forward and backward for realizing vehicle.Also consider to devise position-limit mechanism spacing for realizing gear.Its middle shell comprises the backplate in inverted trapezoidal and front plate that are oppositely arranged, also comprise and be symmetricly set in the front side board and back side panel that between backplate and front plate and lower end relative tilt arranges, described backplate and front plate and surround between front side board and back side panel and cavity is installed with mounting limit mechanism.
But wherein, also need to consider how to design rocker structure, structure can be made it have simple, conveniently to produce, the installation facilitating self hinged and the setting of handle, and facilitate mounting limit structure to realize the problem spacing to rear three gears in before rocking bar.
Utility model content
For above-mentioned the deficiencies in the prior art, the technical problem that the utility model primarily solves is: how to provide a kind of structure simple, convenient production, the installation facilitating self hinged and the setting of handle, and facilitate mounting limit structure to realize the electri forklift gearshift rocker structure spacing to rear three gears in before rocking bar.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of electri forklift gearshift rocker structure, it is characterized in that, it is the rectangular tube of rectangle that described rocking bar comprises the cross section that bottom is positioned at housing, the cross section also comprising top is circular round tube, there is between rectangular tube and round tube plastic fastening that an injection molded obtains and be fixed with one by plastic fastening, described rectangular tube lower end is provided with hinge axis hole, the rectangular tube of hinge axis hole upper end runs through the mounting cylinder be provided with for mounting limit mechanism, round tube upper end mounting knob.
Such rocking bar adopts two-part structure, and upper rounded pipe, facilitates the installation of handle, and below adopts rectangular tube, facilitates the setting of hinge axis hole and mounting cylinder, with the installation of the hinged installation and position-limit mechanism that facilitate self.Adopt a working of plastics to be integrated by injection molded between rectangular tube and round tube, arrange simple and convenient, connect reliable.Simultaneously moulding upper end can also form one and the installation of spiral compression spring can be facilitated like this with the support of realization to cover plate for the support platform of installing spiral compression spring by horizontal-extending further.
As optimization, mounting cylinder one end port is just rollably provided with a ball to the stopper slot on back side of shell plate, ball is connected on the stopper slot on the backplate of housing by the Compress Spring compression being positioned at mounting cylinder, described mounting cylinder is provided with internal thread away from one end of ball and is connected with an adjusting bolt, and Compress Spring two ends difference withstand effect is between adjusting bolt and ball.
After such optimization, realize spacing in the stopper slot being connected to housing by the ball of mounting cylinder by a Compress Spring, like this, when guarantee does not have an External Force Acting, rocking bar can stay on the gear that is pushed to, when rocking bar bears thrust, ball and Compress Spring effect can be rolled switching between adjacent stopper slot, and then realize gear gearshift and control.The adjusting bolt arranged can also regulate crush.
As optimization, adjusting bolt is also connected with the locking nut being pushed against mounting cylinder port.Such adjusting bolt is also provided with locking nut, can be locked by locking nut after making adjustment, avoid adjusting bolt loosen and change spring force size.
As optimization, be also provided with a slide block between ball and Compress Spring, one end of slide block and ball contact is the arcwall face of coupling.Like this, can ensure that between spring and ball, stress balance is stablized better, ensure the smooth and easy of shift process.
As optimization, described handle comprises the handle body of working of plastics, the oval ball that handle body is big up and small down and lower end integral middle are shaped and are embedded with a sleeve arranged straight down, sleeve is used for inserting for rocking bar round tube connecting, wrap up in outside described handle body and be provided with one deck rubber epidermis, described handle body outer surface is positioned at side, top and is bent downwardly and has extended to form a groove, be embedded in groove and be stained with to connect and be provided with an arc abaculus do not revised, rubber epidermis edge is pressed abd fixed in groove by arc abaculus.
Like this, handle is obtained by the handle body bound rubber epidermis of working of plastics, has structure simple, with low cost, the feature of holding operation good hand touch.Adopt groove to be embedded the structure of stainless steel arc abaculus, stainless arc abaculus makes handle good looking appearance, driver's remaining light can be attracted to note simultaneously, facilitate gear shift operation.In addition, rubber epidermis edge can be pressed abd fixed in groove by abaculus, facilitates the setting of rubber epidermis and fixes.
As optimization, be vertically provided with two protruding fixing cylinders in the middle part of described groove, it is protruding and be embedded in described fixing cylinder that the corresponding cylinder of described arc abaculus inner surface is provided with two round platforms.Be positioned in described groove around fixing cylinder and be also provided with anti-skidding ripple.
Like this, adopt simple structure, improve the fixed effect of abaculus, anti-skidding ripple ensure that the effect that rubber epidermis is secured in a press simultaneously.
In sum, it is simple that the utility model has structure, conveniently produces, the installation facilitating self hinged and the setting of handle, and facilitate mounting limit structure to realize the advantage spacing to rear three gears in before rocking bar.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that have employed the electri forklift gearshift of the utility model structure.
Fig. 2 is the structural representation that in Fig. 1, direction is overlooked on independent position-limit mechanism part edge.
Fig. 3 is the structural representation that in Fig. 1, direction is overlooked on independent limited post part edge.
Fig. 4 is that in Fig. 1, independent handle portion takes off the structural representation after arc abaculus.
Detailed description of the invention
The utility model is described in further detail for the electri forklift gearshift that have employed the utility model structure below in conjunction with a kind of and accompanying drawing thereof.
During concrete enforcement: as Figure 1-Figure 4, a kind of electri forklift gearshift that have employed the utility model structure, comprise housing 1 and the rocking bar of hollow, rocking bar lower end is arranged in housing 1 rotationally, upper end extends upward housing and is provided with handle 2, wherein, housing 1 comprises the backplate in inverted trapezoidal and front plate that are oppositely arranged, also comprise the front side board and back side panel that are symmetricly set in the relative tilt setting of between backplate and front plate and lower end, described backplate and front plate and between front side board and back side panel, surround installation cavity, horizontally disposed hinge 3 is along the longitudinal direction connected with in the middle part of described backplate and front plate lower end, described rocking bar lower end has hinge axis hole and is installed in rotation on hinge 3, two proximity switches 4 are installed in described installation cavity, two proximity switch 4 correspondences are arranged at rocking bar rotation path two ends in installation cavity, also be provided with position-limit mechanism, it is spacing that position-limit mechanism is used for being in when vertical state in the middle part of rotation path and rocking bar are in the heeling condition at rotation path two ends place to rocking bar, proximity switch detection range is positioned at when rocking bar is in the heeling condition at rotation path two ends place.
Like this, rocking bar lower end is hinged in housing, rocking bar can be promoted in front and back during gearshift, in before rocking bar and position-limit mechanism cooperation can realize, rear three positions is spacing, when being positioned at former and later two positions, the proximity switch of correspondence position triggers after rocking bar can being detected and starter motor rotates forward and to export and reversion exports, and realizes the control that moves forward and backward of vehicle.When rocking bar is positioned at center vertical state, vehicle is in neutral position state.
Wherein, described position-limit mechanism, comprise the stopper slot 5 that backplate Shang tri-road that is positioned at housing is vertical, also comprise level and be fixedly installed on a mounting cylinder 6 on rocking bar, mounting cylinder 6 one end port is just rollably provided with a ball 7 to stopper slot, and ball 7 is compressed by the Compress Spring 8 being positioned at mounting cylinder 6 and is connected on stopper slot 5.
Like this, be pushed against stopper slot by ball by Compress Spring and realize spacing, when ensureing there is no External Force Acting, rocking bar can stay on the gear that is pushed to, when rocking bar bears thrust, ball and Compress Spring effect can be rolled switching between three stopper slots, and then realize gear gearshift.Therefore it is simple to have structure, gearshift is reliable, the spacing feature such as reliable and stable.
Wherein, also comprise a limiting plate 9, limiting plate 9 surface curvature is shaped described three road stopper slots 5, and described two proximity switches 4 are separately fixed at limiting plate 9 liang of side positions, and limiting plate 9 is fixed on back side of shell plate by screw.Like this, setting and the installation of position-limit mechanism and proximity switch is facilitated.
Wherein, described mounting cylinder 6 is provided with internal thread away from one end of ball and is connected with an adjusting bolt 10, Compress Spring 8 two ends respectively withstand effect, between adjusting bolt 10 and ball 7, adjusting bolt 10 are also connected with the locking nut 11 being pushed against mounting cylinder port.
Like this, facilitate the assembling of position-limit mechanism self, simultaneously the convenient tightness rotating adjusting bolt regulating spring, ensure the smoothness of gear shift operation and the reliable of gearshift location.Adjusting bolt is also provided with locking nut, can be locked by locking nut after making adjustment, avoid adjusting bolt loosen and change spring force size.
Wherein, be also provided with a slide block 12 between ball 7 and Compress Spring 8, one end that slide block 12 contacts with ball 7 is the arcwall face of coupling.Like this, can ensure that between spring and ball, stress balance is stablized better, ensure the smooth and easy of shift process.
Wherein, position-limit mechanism also comprises two limited posts on the back side of shell plate that is vertically fixed on above limiting plate both sides.
Like this, the front and back extreme position of limited post to rocking bar carries out spacing, avoids rocking bar to rock back and forth apart from excessive and damage position-limit mechanism and housing.
Wherein, described limited post comprises a hold-down nut 13 be fixed on housing 1 backplate, also comprises the caging bolt 14 be fixed on hold-down nut that spins, is arranged with a rubber sleeve 15 outside caging bolt 14.Like this, facilitate the installation of limited post self, rubber sleeve can slow down the shock of rocking bar simultaneously, plays elastic shock attenuation effect, reduces noise and extends the position-limit mechanism life-span.
Wherein, described housing 1 is one of the forming the moulding obtained, and in housing 1, front plate upper end level makes front plate upper end position form one just to the construction opening 28 of proximity switch and position-limit mechanism lower than backplate; On described housing 1, the upper end of backplate and front plate and front side board and back side panel all has the surface plate 16 horizontally outward extended to form, and surface plate 16 level of described backplate and front side board and back side panel upper surface joins together and four corners are respectively provided with an installation gap and for installing cap 17 in both sides.
Like this, housing adopts the working of plastics of injection molded, and convenient production, housing front plate is provided with construction opening, can facilitate installation and the maintenance of proximity switch and position-limit mechanism.The surface plate of housing upper end, can facilitate and arrange thereon and install cap, the installation gap of surface plate corner, the Snap joint of construction bolt when can conveniently install, and improves assembling speed.
Wherein, housing 1 outer surface is positioned at the leg-of-mutton support reinforcing rib 18 being also provided with outwardly convex below each surface plate.Casing rigidity can be improved like this.
Wherein, described cap 17 for stainless steel material obtain, it is the curved portions along rocking bar shaking direction projection in the middle part of cap 17, cap 17 surrounding is the installation portion horizontally outward extended to form, installation portion covers backplate and is also fixedly connected with through installation gap by bolt 19 with the surface plate of front side board and back side panel upper surface, has for rocking bar through the deep-slotted chip breaker 20 that also can rock back and forth in the middle part of curved portions.
Like this, cap can cover housing upper end, and form protection to enclosure interior component, the deep-slotted chip breaker that cap is arranged, facilitates the gear shift operation that rocks back and forth of rocking bar.
Wherein, cap 17 inside is also provided with the cover plate 21 of one piece of arc, and the arc of cover plate 21 is arranged along the longitudinal direction and arc length is less than the arc length of cap curved portions, and rocking bar runs through cover plate 21 and arranges and lean on cover plate 21 to mask deep-slotted chip breaker 20 on cap 17.
Like this, the deep-slotted chip breaker on cap can be masked, better protection be formed to enclosure interior component.
Wherein, be also provided with a spiral compression spring 22 below cover plate 21, spiral compression spring 22 to be set on rocking bar and to make it prop up cap 17 lower surface to cover plate 21 power applied upwards.
Like this, cover plate upwards withstands and is fitted on lid by spiral compression spring all the time, ensures the sealing effect to deep-slotted chip breaker on lid.
Wherein, described rocking bar comprises the rectangular tube 23 that cross section that bottom is positioned at housing is rectangle, the cross section also comprising top is circular round tube 24, there is between rectangular tube 23 and round tube 24 plastic fastening 25 that an injection molded obtains and be fixed with one by plastic fastening 25, plastic fastening 25 upper surface has the support platform for installing spiral compression spring 22 that a horizontal-extending is formed, described rectangular tube 23 lower end is provided with hinge axis hole, the rectangular tube of hinge axis hole upper end runs through the mounting cylinder 6 be provided with for mounting limit mechanism, described handle 2 is installed in round tube 24 upper end.
Such rocking bar adopts two-part structure, and upper rounded pipe, facilitates the installation of handle, and below adopts rectangular tube, facilitates the setting of hinge axis hole and mounting cylinder, with the installation of the hinged installation and position-limit mechanism that facilitate self.Adopt a working of plastics to be integrated by injection molded between rectangular tube and round tube, arrange simple and convenient, connect reliable, the support platform of moulding upper end formation simultaneously, the installation of spiral compression spring can be facilitated to realize the support to cover plate.
Wherein, described handle 2 comprises the handle body of working of plastics, the oval ball that handle body is big up and small down and lower end integral middle are shaped and are embedded with a sleeve arranged straight down 26, sleeve 26 connects for inserting for rocking bar round tube 24, wrap up in outside described handle body and be provided with one deck rubber epidermis, described handle body outer surface is positioned at side, top and is bent downwardly and has extended to form a groove, be embedded in groove and be stained with to connect and be provided with an arc abaculus 27 do not revised, rubber epidermis edge is pressed abd fixed in groove by arc abaculus 27.
Like this, handle is obtained by the handle body bound rubber epidermis of working of plastics, has structure simple, with low cost, the feature of holding operation good hand touch.Adopt groove to be embedded the structure of stainless steel arc abaculus, stainless arc abaculus makes handle good looking appearance, driver's remaining light can be attracted to note simultaneously, facilitate gear shift operation.In addition, rubber epidermis edge can be pressed abd fixed in groove by abaculus, facilitates the setting of rubber epidermis and fixes.
Wherein, be vertically provided with two protruding fixing cylinders 28 in the middle part of described groove, it is protruding and be embedded in described fixing cylinder 28 that the corresponding cylinder of described arc abaculus 27 inner surface is provided with two round platforms.Be positioned in described groove around fixing cylinder and be also provided with anti-skidding ripple 29.
Like this, adopt simple structure, improve the fixed effect of abaculus, anti-skidding ripple ensure that the effect that rubber epidermis is secured in a press simultaneously.
Claims (6)
1. an electri forklift gearshift rocker structure, it is characterized in that, it is the rectangular tube of rectangle that described rocking bar comprises the cross section that bottom is positioned at housing, the cross section also comprising top is circular round tube, there is between rectangular tube and round tube plastic fastening that an injection molded obtains and be fixed with one by plastic fastening, described rectangular tube lower end is provided with hinge axis hole, the rectangular tube of hinge axis hole upper end runs through the mounting cylinder be provided with for mounting limit mechanism, round tube upper end mounting knob.
2. electri forklift gearshift rocker structure as claimed in claim 1, it is characterized in that, mounting cylinder one end port is just rollably provided with a ball to the stopper slot on back side of shell plate, ball is connected on the stopper slot on the backplate of housing by the Compress Spring compression being positioned at mounting cylinder, described mounting cylinder is provided with internal thread away from one end of ball and is connected with an adjusting bolt, and Compress Spring two ends difference withstand effect is between adjusting bolt and ball.
3. electri forklift gearshift rocker structure as claimed in claim 2, is characterized in that, adjusting bolt is also connected with the locking nut being pushed against mounting cylinder port.
4. electri forklift gearshift rocker structure as claimed in claim 3, is characterized in that, be also provided with a slide block between ball and Compress Spring, and one end of slide block and ball contact is the arcwall face of coupling.
5. electri forklift gearshift rocker structure as claimed in claim 1, it is characterized in that, described handle comprises the handle body of working of plastics, the oval ball that handle body is big up and small down and lower end integral middle are shaped and are embedded with a sleeve arranged straight down, sleeve is used for inserting for rocking bar round tube connecting, wrap up in outside described handle body and be provided with one deck rubber epidermis, described handle body outer surface is positioned at side, top and is bent downwardly and has extended to form a groove, be embedded in groove and be stained with to connect and be provided with an arc abaculus do not revised, rubber epidermis edge is pressed abd fixed in groove by arc abaculus.
6. electri forklift gearshift rocker structure as claimed in claim 5, it is characterized in that, vertically be provided with two protruding fixing cylinders in the middle part of described groove, it is protruding and be embedded in described fixing cylinder that the corresponding cylinder of described arc abaculus inner surface is provided with two round platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710438.4U CN204300327U (en) | 2014-11-24 | 2014-11-24 | A kind of electri forklift gearshift rocker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710438.4U CN204300327U (en) | 2014-11-24 | 2014-11-24 | A kind of electri forklift gearshift rocker structure |
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| Publication Number | Publication Date |
|---|---|
| CN204300327U true CN204300327U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420710438.4U Expired - Fee Related CN204300327U (en) | 2014-11-24 | 2014-11-24 | A kind of electri forklift gearshift rocker structure |
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| CN (1) | CN204300327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500718A (en) * | 2014-11-24 | 2015-04-08 | 重庆丙丁机电有限公司 | Rocker structure of gearshift device for electric forklift |
-
2014
- 2014-11-24 CN CN201420710438.4U patent/CN204300327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500718A (en) * | 2014-11-24 | 2015-04-08 | 重庆丙丁机电有限公司 | Rocker structure of gearshift device for electric forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151124 |