CN214399678U - Handle resetting device of electric carrier - Google Patents
Handle resetting device of electric carrier Download PDFInfo
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- CN214399678U CN214399678U CN202023020671.4U CN202023020671U CN214399678U CN 214399678 U CN214399678 U CN 214399678U CN 202023020671 U CN202023020671 U CN 202023020671U CN 214399678 U CN214399678 U CN 214399678U
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- handle connecting
- pin shaft
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Abstract
The utility model relates to a technical field of fork truck handle, concretely relates to electric pallet truck handle resetting means. The handle connecting rod is provided with an installation inner cavity, a handle is arranged at the upper end of the handle connecting rod, an elastic resetting mechanism is arranged in the installation inner cavity, the lower end of the handle connecting rod is connected with a base through the elastic resetting mechanism, and the handle connecting rod 1 rotates anticlockwise within the range of 0-90 degrees; the elastic reset mechanism comprises a pin shaft and a pair of clockwork springs, the pin shaft horizontally penetrates through the lower end of the handle connecting rod, a slot is formed in the axial direction of the side wall of the pin shaft, the pair of clockwork springs are sleeved on the pin shaft at intervals through a shaft sleeve, the inner bending end of each clockwork spring is inserted into the slot, and the outer bending end of each clockwork spring is contacted with the side wall of the installation inner cavity; the relative both sides of base correspond and are equipped with a pair of axle bed, through the cooperation installation of a pair of axle bed and round pin axle for the lower extreme of handle connecting rod rotates and installs on the base. Therefore, the utility model discloses the structure is simpler, manufacturing cost is lower, life is more of a specified duration.
Description
Technical Field
The utility model relates to a technical field of fork truck handle, concretely relates to electric pallet truck handle resetting means.
Background
The conventional electric truck operating handle requires the use of a gas spring to accomplish both horizontal and vertical operating states of the handle. The structure is more complicated, and the inefficacy that resets appears easily for long-time the use, moreover because the air spring motion relation, to handle connecting rod overall dimension requirement comparatively stricter.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric pallet truck handle resetting means, the structure resets simpler, reliable, the cost is lower than current air spring, can adapt to different handle molding and satisfy different operating mode demands to can not influence the canceling release mechanical system assembly because the handle molding changes, concrete technical scheme is as follows:
a handle resetting device of an electric truck comprises a handle connecting rod 1 with an installation inner cavity, wherein a handle 11 is arranged at the upper end of the handle connecting rod 1, an elastic resetting mechanism is arranged in the installation inner cavity, the lower end of the handle connecting rod 1 is connected with a base 2 through the elastic resetting mechanism, and the handle connecting rod 1 rotates anticlockwise within the range of 0-90 degrees;
the elastic return mechanism comprises a pin 31 and a pair of clockwork springs 32,
the pin shaft 31 horizontally penetrates through the lower end of the handle connecting rod 1, a slot 33 is formed in the side wall of the pin shaft 31 in the axial direction, a pair of clockwork springs 32 are sleeved on the pin shaft 31 through a shaft sleeve 34 at intervals, the inner bending end of each clockwork spring is inserted into the slot 33, and the outer bending end of each clockwork spring is contacted with the side wall of the installation inner cavity;
the opposite two sides of the base 2 are correspondingly provided with a pair of shaft seats 21, and the lower end of the handle connecting rod 1 is rotatably arranged on the base 2 through the matching installation of the shaft seats 21 and the pin shaft 31.
Further, the installation inner chamber of handle connecting rod 1 lower extreme is the cylindrical cavity that the level was arranged, is installing in the cylindrical cavity elasticity canceling release mechanical system, and has arranged spacing face 12 on the corresponding installation inner chamber lateral wall of cylindrical cavity upper end, spacing face 12 with clockwork spring's outer bending end contact, when handle connecting rod 1 anticlockwise rotation, spacing face 12 transmission torque is used in every clockwork spring, when loosening handle connecting rod 1, handle connecting rod 1 automatic re-setting under a pair of clockwork spring 32 effect.
Further, a rotating disc 35 is further sleeved on the pin shaft 31, and the bottom end and the horizontal end of the rotating disc 35 are both protruded to form a pair of bosses 36;
the base 2 is provided with a microswitch 22 corresponding to the rotating disc 35, when the handle connecting rod 1 is in a vertical or horizontal state, one of the bosses is contacted with the microswitch 22, and the microswitch 22 is switched on.
Further, two ends of the pin 31 are mounted on the pair of shaft seats 21 in a matching manner and are axially fixed by a positioning pin 23.
The utility model has the advantages of as follows:
1. the elastic reset mechanism of the handle reset device of the utility model comprises a pin shaft and a pair of clockwork spring, the clockwork spring has simple structure, saves a complex installation base of the air spring, and has lower cost compared with the air spring; meanwhile, the spring cannot cause resetting failure of the handle connecting rod due to air leakage of the air spring;
the structure of hand connecting rod is designed to traditional handle connecting rod need consider the movement track of air spring, makes its straight line molding that often needs to design into the ancient board, the utility model discloses utilize clockwork spring, reach the requirement that elasticity resets for the handle connecting rod can be made more compound human engineering's multistage molding.
2. The utility model discloses a still be provided with micro-gap switch on the base, when the handle connecting rod is in level or vertical state, micro-gap switch is put through, and the vehicle can brake immediately this moment, prevents that the swift current from breaking the accident to appear in the vehicle.
Drawings
Fig. 1 is a schematic structural view of the handle resetting device of the present invention.
Fig. 2 is a partial cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the inside of the handle connecting rod of the present invention.
Fig. 4 is a schematic structural diagram of the base of the present invention.
Fig. 5 is a schematic view of the handle returning device of the present invention in a vertical state.
Fig. 6 is a schematic view of the horizontal state of the handle resetting device of the present invention.
Wherein: the handle comprises a handle connecting rod 1, a handle 11, a limiting surface 12, a base 2, a pair of shaft seats 21, a microswitch 22, a positioning bolt 23, a pin shaft 31, a pair of clockwork springs 32, a slot 33, a shaft sleeve 34, a rotating disc 35 and a pair of bosses 36.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Examples
Referring to fig. 1, the handle resetting device for the electric truck comprises a handle connecting rod 1 with an installation inner cavity, wherein a handle 11 is arranged at the upper end of the handle connecting rod 1, an elastic resetting mechanism is arranged in the installation inner cavity, the lower end of the handle connecting rod 1 is connected with a base 2 through the elastic resetting mechanism, and the handle connecting rod 1 rotates anticlockwise within the range of 0-90 degrees;
the elastic return mechanism comprises a pin 31 and a pair of clockwork springs 32,
the pin shaft 31 horizontally penetrates through the lower end of the handle connecting rod 1, a slot 33 is formed in the side wall of the pin shaft 31 in the axial direction, a pair of clockwork springs 32 are sleeved on the pin shaft 31 through a shaft sleeve 34 at intervals, the inner bending end of each clockwork spring is inserted into the slot 33, and the outer bending end of each clockwork spring is contacted with the side wall of the installation inner cavity;
the opposite two sides of the base 2 are correspondingly provided with a pair of shaft seats 21, and the lower end of the handle connecting rod 1 is rotatably arranged on the base 2 through the matching installation of the shaft seats 21 and the pin shaft 31.
Referring to fig. 2, the installation cavity at the lower end of the handle connecting rod 1 is a horizontally arranged cylindrical cavity, the elastic reset mechanism is installed in the cylindrical cavity, the side wall of the installation cavity corresponding to the upper end of the cylindrical cavity is provided with a limiting surface 12, the limiting surface 12 is in contact with the outer bent end of the spiral spring, when the handle connecting rod 1 rotates anticlockwise, the limiting surface 12 transmits torque to act on each spiral spring, and when the handle connecting rod 1 is loosened, the handle connecting rod 1 automatically resets under the action of a pair of spiral springs 32.
Referring to fig. 3, a rotating disc 35 is further sleeved on the pin shaft 31, and a pair of bosses 36 are formed at the bottom end and the horizontal end of the rotating disc 35 in a protruding manner;
referring to fig. 4, the base 2 is provided with a microswitch 22 corresponding to the rotary disc 35, when the handle connecting rod 1 is in a vertical or horizontal state, any one of the bosses contacts with a contact of the microswitch 22, and the microswitch 22 is switched on at the moment, so that the vehicle can be immediately braked, and the vehicle is prevented from slipping.
The two ends of the pin 31 are mounted on the pair of shaft seats 21 in a matching manner and are axially fixed by a positioning bolt 23.
Referring to fig. 5 and 6, the handle link 1 is in a vertical state and the handle link is in a horizontal state, and at this time, the microswitch 22 is in contact with the boss, the microswitch 22 is pressed, that is, the microswitch 22 is switched on, and the vehicle can be immediately braked, so that the vehicle is prevented from slipping.
Consequently the utility model discloses an electric pallet truck handle resetting means changes traditional structure, replaces traditional air spring with a pair of clockwork spring 32, the following advantage that obtains: (1) a complex mounting base of the gas spring is omitted; (2) the cost is lower; (3) the spring does not have the resetting failure of the handle connecting rod caused by air leakage of the air spring; (4) the design of the handle connecting rod 1 can be used for making a multi-section model more combined with human engineering without meeting the requirement of the motion track of the traditional gas spring.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A handle resetting device of an electric truck comprises a handle connecting rod (1) with an installation inner cavity, wherein a handle (11) is arranged at the upper end of the handle connecting rod (1), an elastic resetting mechanism is arranged in the installation inner cavity, the lower end of the handle connecting rod (1) is connected with a base (2) through the elastic resetting mechanism, and the handle connecting rod (1) rotates anticlockwise in the range of 0-90 degrees;
the method is characterized in that: the elastic reset mechanism comprises a pin shaft (31) and a pair of clockwork springs (32),
the pin shaft (31) horizontally penetrates through the lower end of the handle connecting rod (1), a slot (33) is formed in the axial direction of the side wall of the pin shaft (31), a pair of clockwork springs (32) are sleeved on the pin shaft (31) at intervals through a shaft sleeve (34), the inner bending end of each clockwork spring is inserted into the slot (33), and the outer bending end of each clockwork spring is in contact with the side wall of the installation inner cavity;
the two opposite sides of the base (2) are correspondingly provided with a pair of shaft seats (21), and the lower end of the handle connecting rod (1) is rotatably arranged on the base (2) through the matching installation of the shaft seats (21) and the pin shaft (31).
2. The handle returning apparatus for an electric power truck as set forth in claim 1, wherein: the installation inner chamber of handle connecting rod (1) lower extreme is the cylindrical cavity that the level was arranged, is installing in the cylindrical cavity elasticity canceling release mechanical system, and has arranged spacing face (12) on the installation inner chamber lateral wall that cylindrical cavity upper end corresponds, spacing face (12) with clockwork spring's outer bending end contact, when handle connecting rod (1) anticlockwise rotation, spacing face (12) transmission moment of torsion is used in every clockwork spring, when loosening handle connecting rod (1), handle connecting rod (1) is automatic re-setting under a pair of clockwork spring (32) effect.
3. The handle returning apparatus for an electric power truck as set forth in claim 1, wherein: a rotating disc (35) is further sleeved on the pin shaft (31), and the bottom end and the horizontal end of the rotating disc (35) are protruded to form a pair of bosses (36);
the base (2) is provided with a microswitch (22) corresponding to the rotating disc (35), when the handle connecting rod (1) is in a vertical or horizontal state, one of the bosses is contacted with the microswitch (22), and the microswitch (22) is switched on.
4. The handle returning apparatus for an electric power truck as set forth in claim 1, wherein: two ends of the pin shaft (31) are installed on the shaft seats (21) in a matching mode and are axially fixed through the positioning bolts (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023020671.4U CN214399678U (en) | 2020-12-15 | 2020-12-15 | Handle resetting device of electric carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023020671.4U CN214399678U (en) | 2020-12-15 | 2020-12-15 | Handle resetting device of electric carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214399678U true CN214399678U (en) | 2021-10-15 |
Family
ID=78038879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023020671.4U Active CN214399678U (en) | 2020-12-15 | 2020-12-15 | Handle resetting device of electric carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214399678U (en) |
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2020
- 2020-12-15 CN CN202023020671.4U patent/CN214399678U/en active Active
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