CN111348086B - Handle stop gear and pallet truck - Google Patents
Handle stop gear and pallet truck Download PDFInfo
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- CN111348086B CN111348086B CN201811564223.5A CN201811564223A CN111348086B CN 111348086 B CN111348086 B CN 111348086B CN 201811564223 A CN201811564223 A CN 201811564223A CN 111348086 B CN111348086 B CN 111348086B
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- handle
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- limiting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/06—Hand moving equipment, e.g. handle bars
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Abstract
The invention belongs to the technical field of pallet trucks, and relates to a handle limiting mechanism and a pallet truck. This handle stop gear is used for spacing of pallet truck's handle, and it includes spacing axle, spacing axle sleeve, hand wheel and is used for the mount pad with pallet truck's automobile body coupling, the mount pad is fixed on the spacing axle sleeve, be provided with the through-hole along its axial extension on the spacing axle sleeve, connect spacing axle slidable in the through-hole, the hand wheel with the one end fixed connection of spacing axle, the other end of spacing axle can stretch into or withdraw from the draw-in groove that forms on the handle to spacing in selecting position or release handle with the handle. The handle limiting mechanism can fix the handle at a certain height, and the handle is limited at a picking position at the height, and the pallet truck can carry out picking operation at the picking position.
Description
Technical Field
The invention belongs to the technical field of pallet trucks, and particularly relates to a handle limiting mechanism and a pallet truck.
Background
The pallet truck is a common simple and effective logistics carrying device. When the pallet truck selects the goods with larger workload, the position of a handle of the pallet truck needs to be limited, so that the safety of personnel is ensured while the running speed of the pallet truck is controlled. For the limit of the handle, the limit of the mechanism is generally realized by limiting the end of the handle through a crank-slider mechanism in the prior art. However, the slider-crank mechanism is complicated in structure and requires manual operation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problem that the existing crank block mechanism is complex in structure, a handle limiting mechanism and a pallet truck are provided.
In order to solve the technical problem, in one aspect, an embodiment of the invention provides a handle limiting mechanism for limiting a handle of a pallet truck, which comprises a limiting shaft, a limiting shaft sleeve, a hand wheel and a mounting seat for connecting with a truck body of the pallet truck, wherein the mounting seat is fixed on the limiting shaft sleeve, a through hole extending along the axial direction of the limiting shaft sleeve is arranged on the limiting shaft sleeve, the limiting shaft is connected in the through hole in a sliding manner, the hand wheel is fixedly connected with one end of the limiting shaft, and the other end of the limiting shaft can extend into or withdraw from a clamping groove formed in the handle so as to limit the handle at a picking position or release the handle.
According to the handle limiting mechanism provided by the embodiment of the invention, the limiting shaft is connected in the through hole of the limiting shaft sleeve in a sliding manner, and the hand wheel is fixedly connected with one end of the limiting shaft. When the other end of the limiting shaft extends into a clamping groove formed in the handle, the handle can be fixed at a certain height, the handle is limited at a picking position at the height, and the pallet truck can carry out picking operation at the picking position. When the other end of the limiting shaft is withdrawn from the clamping groove formed in the handle, the handle can be released, so that the handle can rotate freely and is not restricted by external force.
Optionally, the through hole includes a first hole section and a second hole section that are communicated with each other, an inner diameter of the second hole section is larger than an inner diameter of the first hole section, and a first platform is formed at a position where the first hole section is connected with the second hole section;
spacing axle is including the first path section, big path section and the second path section that connect gradually, the external diameter of big path section is greater than the internal diameter of first path section and the internal diameter of second path section, first path section is worn out first hole section and fixed connection are in on the hand wheel, big path section with the inner wall sliding contact of second hole section, the second path section can stretch into or withdraw from the draw-in groove that forms on the handle.
Optionally, the handle limiting mechanism further comprises an elastic element supported between the first platform and the large diameter section.
Optionally, a first mounting hole and a second mounting hole which are communicated with each other are formed in the hand wheel, one end, away from the second small-diameter section, of the first small-diameter section is fixedly connected in the first mounting hole, and one end, close to the hand wheel, of the limiting shaft sleeve is in sliding contact with the inner wall of the second mounting hole.
Optionally, the handle limiting mechanism further comprises a cylindrical pin, a first pin hole is formed in the first small-diameter section, a second pin hole and a third pin hole are formed in the hand wheel, and the first pin hole, the second pin hole and the third pin hole are coaxial;
a first avoidance groove and a second avoidance groove are formed in the limiting shaft sleeve, the length of the first avoidance groove is larger than or equal to the sliding stroke of the limiting shaft, and the length of the second avoidance groove is larger than or equal to the sliding stroke of the limiting shaft;
the cylindrical pin is inserted into the second pin hole, the first avoiding groove, the first pin hole, the second avoiding groove and the third pin hole.
Optionally, the mounting seat includes a first mounting plate and a second mounting plate, the first mounting plate is fixedly connected between the limiting shaft sleeve and the body of the pallet truck, and the second mounting plate is fixedly connected to one side of the first mounting plate;
the handle limiting mechanism further comprises an induction switch which is used for inducing whether the other end of the limiting shaft extends into a clamping groove in the handle or not, and the induction switch is installed on the second installation plate.
Optionally, the one end of first mounting panel is provided with the arc surface, the periphery of spacing axle sleeve is personally submitted cylindrically, the arc surface with the laminating of the outer peripheral face of spacing axle sleeve is fixed.
Optionally, an avoidance notch is formed in one end, facing the second small-diameter section, of the hand wheel;
when the second small-diameter section extends into the clamping groove formed in the handle, one end of the first mounting plate is located in the avoiding notch.
On the other hand, the embodiment of the invention provides a pallet truck which comprises a truck body, a handle and the handle limiting mechanism, wherein one end of the handle is rotatably connected to the truck body.
Optionally, an installation support is arranged on the vehicle body, a connecting plate is arranged at one end of the handle, the connecting plate is rotatably connected to the installation support through a rotating shaft, the clamping groove is formed in the connecting plate, and the installation seat is fixedly connected to the installation support;
the clamping groove is arc-shaped, and the circle center of the clamping groove is located on the axis of the rotating shaft.
Drawings
FIG. 1 is a schematic view of a handle limiting mechanism provided in one embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is another schematic view of a handle limiting mechanism provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a limiting shaft of a handle limiting mechanism according to an embodiment of the present invention;
FIG. 5 is a first angular view of a stop collar of a handle stop mechanism according to an embodiment of the present invention;
FIG. 6 is a second angular view of the stop collar of the handle stop mechanism according to one embodiment of the present invention;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;
FIG. 8 is a third angle view of a stop collar of the handle stop mechanism provided in accordance with one embodiment of the present invention;
FIG. 9 is a first angular schematic view of a hand wheel of a handle stop mechanism according to one embodiment of the present invention;
FIG. 10 is a second angular view of the hand wheel of the handle stop mechanism provided in accordance with one embodiment of the present invention;
FIG. 11 is a cross-sectional view taken at C-C of FIG. 10;
FIG. 12 is a schematic view of the assembly of the limiting sleeve and the mounting seat of the handle limiting mechanism according to an embodiment of the present invention;
FIG. 13 is a cross-sectional view taken at D-D of FIG. 12;
FIG. 14 is a schematic view of a handle provided by an embodiment of the present invention;
FIG. 15 is a schematic view of the handle limiting mechanism and the handle assembly according to an embodiment of the present invention;
fig. 16 is an enlarged view at F in fig. 15.
The reference numerals in the specification are as follows:
100. a handle limiting mechanism;
1. a limiting shaft; 11. a first small diameter section; 111. a first pin hole; 12. a large diameter section; 13. a second minor diameter section;
2. a limiting shaft sleeve; 21. a through hole; 211. a first bore section; 212. a second bore section; 213. a first platform; 22. a first avoidance slot; 23. a second avoidance slot; 24. a first limit groove; 25. a second limit groove;
3. a hand wheel; 31. a first mounting hole; 32. a second mounting hole; 33. a second pin hole; 34. a third pin hole; 35. avoiding the notch;
4. a mounting seat; 41. a first mounting plate; 411. an arcuate surface; 42. a second mounting plate;
5. an elastic element;
6. a cylindrical pin;
7. 7a, 7b, an inductive switch;
8. a bolt;
200. a handle; 201. a connecting plate; 202. a rotating shaft; 203. a card slot;
300. a vehicle body; 301. and (7) mounting a bracket.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 16, the pallet truck according to the embodiment of the present invention includes a truck body 300, a handle 200, and a handle limiting mechanism 100, wherein one end of the handle 200 is rotatably connected to the truck body 300.
As shown in fig. 1 to 13, a handle limiting mechanism 100 according to an embodiment of the present invention includes a limiting shaft 1, a limiting shaft sleeve 2, a hand wheel 3, and a mounting seat 4 for connecting with a pallet truck body 300, where the mounting seat 4 is fixed on the limiting shaft sleeve 2, a through hole 21 extending along an axial direction of the limiting shaft sleeve 2 is provided on the limiting shaft sleeve 2, the limiting shaft 1 is slidably connected in the through hole 21, the hand wheel 3 is fixedly connected with one end of the limiting shaft 1, and the other end of the limiting shaft 1 can extend into or withdraw from a slot 203 formed on a handle 200, so as to limit the handle 200 at a picking position or release the handle 200.
According to the handle limiting mechanism 100 and the pallet truck provided by the embodiment of the invention, the limiting shaft 1 is slidably connected in the through hole 21 of the limiting shaft sleeve 2, and the hand wheel 3 is fixedly connected with one end of the limiting shaft 1. When the other end of the limiting shaft 1 extends into the clamping groove 203 formed on the handle 200, the handle 200 can be fixed at a certain height, and at the height, the handle 200 is limited at a picking position, and at the picking position, the pallet truck can carry out picking operation. When the other end of the limiting shaft 1 is withdrawn from the clamping groove 203 formed on the handle 200, the handle 200 can be released, so that the handle 200 can rotate freely without being restricted by external force.
In an embodiment, as shown in fig. 6, the through hole 21 includes a first hole section 211 and a second hole section 212 that are communicated with each other, an inner diameter of the second hole section 212 is larger than an inner diameter of the first hole section 211, and a first platform 213 is formed at a position where the first hole section 211 meets the second hole section 212.
As shown in fig. 2 and 4, the limiting shaft 1 includes a first small diameter section 11, a large diameter section 12, and a second small diameter section 13, which are connected in sequence, the outer diameter of the large diameter section 12 is greater than the inner diameter of the first small diameter section 11 and the inner diameter of the second small diameter section 13, the first small diameter section 11 penetrates through the first hole section 211 and is fixedly connected to the handwheel 3, the large diameter section 12 is in sliding contact with the inner wall of the second hole section 212, and the second small diameter section 13 can extend into or withdraw from a slot 203 formed on the handle 200.
When the first small diameter section 11 penetrates through the first hole section 211 and is fixedly connected to the handwheel 3, since the inner diameter of the second hole section 212 is larger than the inner diameter of the first hole section 211, the outer diameter of the large diameter section 12 is larger than the inner diameter of the first small diameter section 11, and the large diameter section 12 is in sliding contact with the inner wall of the second hole section 212, the large diameter section 12 is limited in the second hole section 212, and the limit shaft 1 is prevented from coming off from one side of the first hole section 211.
In one embodiment, as shown in fig. 2 and 7, the handle stopper mechanism 100 further includes an elastic element 5, and the elastic element 5 is supported between the first platform 213 and the large diameter section 12.
The elastic element 5 can provide a force which extends outwards (away from one side of the hand wheel 3) for the limiting shaft 1 all the time, so that the second small-diameter section 13 of the limiting shaft 1 can automatically extend into the clamping groove 203 of the handle 200, and the handle 200 is limited at a picking position.
In the embodiment shown in fig. 2, the elastic element 5 is a spring supported between the first platform 213 and the large diameter section 12 to provide a force to extend the second small diameter section 13 of the restraining shaft 1 from the through hole 21 of the restraining sleeve 2.
In an embodiment, as shown in fig. 2 and 11, a first mounting hole 31 and a second mounting hole 32 are provided in the hand wheel 3, and an end of the first small diameter section 11 away from the second small diameter section 13 is fixedly connected in the first mounting hole 31, so as to achieve a fixed connection between the hand wheel 3 and the first small diameter section 11. One end of the limiting shaft sleeve 2 close to the hand wheel 3 is in sliding contact with the inner wall of the second mounting hole 32.
When the second small diameter section 13 of the limiting shaft 1 extends into the clamping groove 203 of the handle 200, the hand wheel 3 slides relative to the limiting shaft sleeve 2 along with the limiting shaft 1.
In an embodiment, as shown in fig. 2, 4 and 11, the handle stopper mechanism 100 further includes a cylindrical pin 6, the first small diameter section 11 is provided with a first pin hole 111, the hand wheel 3 is provided with a second pin hole 33 and a third pin hole 34, and the first pin hole 111, the second pin hole 33 and the third pin hole 34 are coaxial.
As shown in fig. 5 to 8, the limiting shaft sleeve 2 is provided with a first avoiding groove 22 and a second avoiding groove 23, the length of the first avoiding groove 22 is greater than or equal to the sliding stroke of the limiting shaft 1, and the length of the second avoiding groove 23 is greater than or equal to the sliding stroke of the limiting shaft 1.
When the cylindrical pin 6 is inserted into the second pin hole 33, the first avoiding groove 22, the first pin hole 111, the second avoiding groove 23 and the third pin hole 34, the limiting shaft 1 is slidably connected into the limiting shaft sleeve 2, and the limiting shaft 1 is in a state of being capable of freely stretching and retracting.
In an embodiment, as shown in fig. 5 to 8, the limiting shaft sleeve 2 is further provided with a first limiting groove 24 and a second limiting groove 25, a difference between the length of the first avoiding groove 22 and the length of the first limiting groove 24 is a sliding stroke of the limiting shaft 1, and a difference between the length of the second avoiding groove 23 and the length of the second limiting groove 25 is a sliding stroke of the limiting shaft 1. At this time, the length of the first avoidance groove 22 is greater than the sliding stroke of the limit shaft 1, and the length of the second avoidance groove 23 is greater than the sliding stroke of the limit shaft 1.
When the cylindrical pin 6 is inserted into the second pin hole 33, the first limiting groove 24, the first pin hole 111, the second limiting groove 25 and the third pin hole 34, the limiting shaft 1 is fixed in the limiting shaft sleeve 2, and the second small-diameter section 13 of the limiting shaft 1 cannot extend into the clamping groove 203 of the handle 200.
In one embodiment, as shown in fig. 12 and 13, the mounting base 4 includes a first mounting plate 41 and a second mounting plate 42, the first mounting plate 41 is fixedly connected between the limiting boss 2 and the body 300 of the pallet truck, and the second mounting plate 42 is fixedly connected to one side of the first mounting plate 41.
The handle limiting mechanism 100 further comprises an induction switch 7b used for inducing whether the other end of the limiting shaft 1 extends into the clamping groove 203 on the handle 200 or not, and the induction switch 7b is installed on the second installation plate 42.
The limiting shaft sleeve 2 is fixed on the vehicle body 300 through the first mounting plate 41. By arranging the inductive switch 7b, whether the other end of the limiting shaft 1 extends into the clamping groove 203 on the handle 200 or not is detected, so that a signal whether the handle 200 is in a picking position or not is obtained.
In one embodiment, the inductive switch 7b can be a magnetic inductive switch, and the magnetic inductive switch senses a distance of 5 mm.
In an embodiment, as shown in fig. 12, an arc surface 411 is disposed at one end of the first mounting plate 41, the outer circumferential surface of the limiting shaft sleeve 2 is cylindrical, and the arc surface 411 is attached and fixed to the outer circumferential surface of the limiting shaft sleeve 2, so that the fixing between the limiting shaft sleeve 2 and the first mounting plate 41 is more stable.
In one embodiment, as shown in fig. 9 and 11, an escape notch 35 is provided at an end of the hand wheel 3 facing the second small diameter section 13. When the second small diameter section 13 extends into the locking groove 203 formed on the handle 200, one end of the first mounting plate 41 is located in the avoiding notch 35.
Through setting up dodge breach 35, prevent first mounting panel 41 is right hand wheel 3 blocks, so that second path section 13 is followed stretch out the back in the spacing axle sleeve 2, can stretch into smoothly in the draw-in groove 203, and can not receive first mounting panel 41's interference.
As shown in fig. 15, the operation principle of the handle limiting mechanism 100 provided by the embodiment of the present invention is as follows:
the whole travel range of the handle 200 is set to have the point O as a rotation point and the area OS-OE.
In order to realize that the driver loosens the handle 200 during the movement of the pallet truck, the handle 200 can be automatically limited at a designated height (OC position in fig. 15), and the picking switch is triggered, so that the speed of the whole truck is maintained at an adjustable low-speed fixed value, and the picking operation of cargoes is realized.
When the handle 200 is located in the OA-OB region, it can be sensed by the sensing switch 7a, and in this region, the entire vehicle can be driven at the maximum speed.
When the handle 200 is released, the handle 200 automatically resets itself to the OS by means of a gas spring or other force.
At this time, in order to realize the sorting function of the pallet truck, the limiting shaft 1 of the handle limiting mechanism 100 needs to be adjusted to be in a state of being capable of freely extending and retracting (when the cylindrical pin 6 is inserted into the second pin hole 33, the first avoiding groove 22, the first pin hole 111, the second avoiding groove 23, and the third pin hole 34). In the process of returning the handle 200, the limiting shaft 1 can automatically enter the clamping groove 203 on the handle 200 under the action of the elastic element 5, and limit the handle 200 at the OC, and at this time, the inductive switch 7b induces the cylindrical pin 6.
When the inductive switch 7a and the inductive switch 7b simultaneously sense objects (the handle 200 and the cylindrical pin 6), the main controller respectively receives low level signals of the inductive switch 7a and the inductive switch 7b, and at the moment, the vehicle can run at low speed according to the accelerator of the pallet truck, so that the picking function is realized.
When the picking is not required, the limit shaft 1 may be fixed in the limit shaft sleeve 2 (the cylindrical pin 6 is inserted into the second pin hole 33, the first limit groove 24, the first pin hole 111, the second limit groove 25, and the third pin hole 34). At this time, the handle 200 can be freely returned.
In an embodiment, as shown in fig. 14 to 16, a mounting bracket 301 is disposed on the vehicle body 300, a connecting plate 201 is disposed at one end of the handle 200, the connecting plate 201 is rotatably connected to the mounting bracket 301 through a rotating shaft 202, the locking groove 203 is formed on the connecting plate 201, and the mounting seat 4 is fixedly connected to the mounting bracket 301, so as to achieve assembly among the handle limiting mechanism 100, the handle 200 and the vehicle body 300.
The clamping groove 203 is arc-shaped, and the center of the clamping groove 203 is located on the axis of the rotating shaft 202, so that the second small-diameter section 13 of the limiting shaft 1 can slide along the clamping groove 203.
When the second small diameter section 13 just extends into the clamping groove 203, the second small diameter section 13 is located at the bottom of the clamping groove 203, the handle 200 is reset continuously under the action of the gas spring or other acting force until the second small diameter section 13 abuts against the top of the clamping groove 203, and at this time, the handle limiting mechanism 100 limits the handle 200 and stops the handle 200 from rotating continuously. As shown in fig. 15, the handle 200 is at OC, and the pallet truck travels at a low speed to perform the picking function.
In case of emergency, due to the shape of the slot 203, the operator of the pallet truck can press the handle 200 downward to swing the handle 200 downward (e.g. in the OE direction of fig. 15) to implement emergency braking and ensure safety.
In one embodiment, as shown in fig. 1 and 16, the first mounting plate 41 of the mounting seat 4 is fixedly connected to the mounting bracket 301 by a bolt 8, so as to achieve the fixed connection between the mounting seat 4 and the mounting bracket 301. In order to ensure the stability of the connection, in the embodiment shown in fig. 1 and 16, two bolts 8 are provided.
In the embodiment not shown in the drawings, the number of the bolts 8 may also be 1, 3 or 5, etc. to ensure the stable connection between the mounting seat and the mounting bracket.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A handle limiting mechanism is used for limiting a handle of a pallet truck and is characterized by comprising a limiting shaft, a limiting shaft sleeve, a hand wheel and a mounting seat, wherein the mounting seat is used for being connected with a truck body of the pallet truck, the mounting seat is fixed on the limiting shaft sleeve, a through hole extending along the axial direction of the limiting shaft sleeve is arranged on the limiting shaft sleeve, the limiting shaft is connected in the through hole in a sliding mode, the hand wheel is fixedly connected with one end of the limiting shaft, and the other end of the limiting shaft can extend into or withdraw from a clamping groove formed in the handle so as to limit the handle at a picking position or release the handle;
the mounting seat comprises a first mounting plate and a second mounting plate, the first mounting plate is fixedly connected between the limiting shaft sleeve and the pallet truck body, and the second mounting plate is fixedly connected to one side of the first mounting plate;
the handle limiting mechanism further comprises an inductive switch used for sensing whether the other end of the limiting shaft extends into the clamping groove in the handle.
2. The handle limiting mechanism according to claim 1, wherein the through hole comprises a first hole section and a second hole section which are communicated with each other, the inner diameter of the second hole section is larger than that of the first hole section, and a first platform is formed at the position where the first hole section is connected with the second hole section;
spacing axle is including the first path section, big path section and the second path section that connect gradually, the external diameter of big path section is greater than the internal diameter of first path section and the internal diameter of second path section, first path section is worn out first hole section and fixed connection are in on the hand wheel, big path section with the inner wall sliding contact of second hole section, the second path section can stretch into or withdraw from the draw-in groove that forms on the handle.
3. The handle restraint mechanism of claim 2 further comprising a resilient element supported between the first platform and the large diameter section.
4. The handle limiting mechanism according to claim 2, wherein a first mounting hole and a second mounting hole are formed in the hand wheel and are communicated with each other, one end of the first small-diameter section, which is far away from the second small-diameter section, is fixedly connected in the first mounting hole, and one end of the limiting shaft sleeve, which is close to the hand wheel, is in sliding contact with the inner wall of the second mounting hole.
5. The handle limiting mechanism according to claim 4, further comprising a cylindrical pin, wherein the first small diameter section is provided with a first pin hole, the hand wheel is provided with a second pin hole and a third pin hole, and the first pin hole, the second pin hole and the third pin hole are coaxial;
a first avoidance groove and a second avoidance groove are formed in the limiting shaft sleeve, the length of the first avoidance groove is larger than or equal to the sliding stroke of the limiting shaft, and the length of the second avoidance groove is larger than or equal to the sliding stroke of the limiting shaft;
the cylindrical pin is inserted into the second pin hole, the first avoiding groove, the first pin hole, the second avoiding groove and the third pin hole.
6. The handle restraint mechanism of claim 1 wherein the inductive switch is mounted on the second mounting plate.
7. The handle limiting mechanism according to claim 1, wherein an arc surface is arranged at one end of the first mounting plate, the outer circumferential surface of the limiting shaft sleeve is cylindrical, and the arc surface is fixedly attached to the outer circumferential surface of the limiting shaft sleeve.
8. The handle limiting mechanism according to claim 2, wherein an avoiding notch is formed in one end, facing the second small-diameter section, of the hand wheel;
when the second small-diameter section extends into the clamping groove formed in the handle, one end of the first mounting plate is located in the avoiding notch.
9. A pallet truck, comprising a truck body, a handle and the handle limiting mechanism of any one of claims 1 to 8, wherein one end of the handle is rotatably connected to the truck body.
10. The pallet truck according to claim 9, wherein a mounting bracket is arranged on the truck body, a connecting plate is arranged at one end of the handle, the connecting plate is rotatably connected to the mounting bracket through a rotating shaft, the clamping groove is formed on the connecting plate, and the mounting seat is fixedly connected to the mounting bracket;
the clamping groove is arc-shaped, and the circle center of the clamping groove is located on the axis of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564223.5A CN111348086B (en) | 2018-12-20 | 2018-12-20 | Handle stop gear and pallet truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564223.5A CN111348086B (en) | 2018-12-20 | 2018-12-20 | Handle stop gear and pallet truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111348086A CN111348086A (en) | 2020-06-30 |
| CN111348086B true CN111348086B (en) | 2021-09-03 |
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ID=71190088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564223.5A Active CN111348086B (en) | 2018-12-20 | 2018-12-20 | Handle stop gear and pallet truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111348086B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4428373C1 (en) * | 1994-08-11 | 1996-02-22 | Wolf Outils | System of pipework providing handle for lawnmower, |
| JP2000342042A (en) * | 1999-06-04 | 2000-12-12 | Ishikawajima Shibaura Mach Co Ltd | Handle device of mower |
| EP1997365A1 (en) * | 2005-09-16 | 2008-12-03 | HONDA MOTOR CO., Ltd. | Pin apparatuses and methods |
| CN102217454A (en) * | 2010-03-30 | 2011-10-19 | 本田技研工业株式会社 | Walk-behind work machine |
| CN104281194A (en) * | 2014-10-31 | 2015-01-14 | 重庆市南川区金鑫纸业有限公司 | Unidirectional positioning handle |
-
2018
- 2018-12-20 CN CN201811564223.5A patent/CN111348086B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4428373C1 (en) * | 1994-08-11 | 1996-02-22 | Wolf Outils | System of pipework providing handle for lawnmower, |
| JP2000342042A (en) * | 1999-06-04 | 2000-12-12 | Ishikawajima Shibaura Mach Co Ltd | Handle device of mower |
| EP1997365A1 (en) * | 2005-09-16 | 2008-12-03 | HONDA MOTOR CO., Ltd. | Pin apparatuses and methods |
| CN102217454A (en) * | 2010-03-30 | 2011-10-19 | 本田技研工业株式会社 | Walk-behind work machine |
| CN104281194A (en) * | 2014-10-31 | 2015-01-14 | 重庆市南川区金鑫纸业有限公司 | Unidirectional positioning handle |
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| Publication number | Publication date |
|---|---|
| CN111348086A (en) | 2020-06-30 |
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