CN110994883A

CN110994883A - Electric putter with emergent function of outage

Info

Publication number: CN110994883A
Application number: CN201911257907.5A
Authority: CN
Inventors: 林国
Original assignee: Ningbo Litop Motion Co ltd
Current assignee: Ningbo Litop Motion Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-04-10

Abstract

The invention discloses an electric push rod with a power failure emergency function, which comprises a shell, a guide sleeve, a motor, a screw, a sliding seat and a push rod, wherein the shell is provided with a guide sleeve; the electric push rod also comprises a hand-operated device, and the rear end of the screw rod is concentrically provided with a manual connecting shaft; the hand-cranking device comprises a rotating shaft, a head spanner, a folding handle, a limiting disc and a spring; the electric push rod further comprises an emergency lamp device, a power line is arranged on the shell and is respectively connected with the motor and the emergency lamp device; the emergency lamp device comprises an electric connection base, a storage battery and an emergency lamp; the electric push rod further comprises a micro generator, the micro generator is electrically connected with the emergency lamp device, a driving gear is arranged on the outer side of the limiting disc, and a driven gear is connected to the micro generator; has the advantages of simple and compact structure, multiple functions and convenient use.

Description

Electric putter with emergent function of outage

Technical Field

The invention relates to the field of mechanical parts, in particular to an electric push rod.

Background

The electric push rod is also called a linear driver, is a novel linear actuating mechanism mainly composed of a motor push rod, a control device and other mechanisms, and can be considered as an extension of a rotating motor in the aspect of structure. The electric push rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of the push rod. The device can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control. The motion driving unit is widely used in the industries of household appliances, kitchen ware, medical appliances, automobiles and the like.

The electric push rod of part worm gear structure and gear structure can install hand play axle, under the circumstances of outage, just can reach the effect that lets the push rod adjusting position through hand after connecing hand spanner. However, the existing hand-cranking device needs additional configuration, has larger volume and is inconvenient to carry. In addition, the functions of the conventional electric push rod are single, and the function of coping with an unexpected situation is lacked.

Therefore, it is an urgent need for those skilled in the art to improve the conventional electric push rod to overcome the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an electric push rod with a power-off emergency function, which has the advantages of simple and compact structure, multiple functions and convenience in use.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an electric push rod with a power failure emergency function comprises a shell, a guide sleeve, a motor, a screw, a sliding seat and a push rod, wherein the guide sleeve is fixedly arranged at the front end of the shell; the motor drives the screw rod to rotate and drives the push rod to do linear reciprocating motion through the sliding seat; the method is characterized in that:

the electric push rod also comprises a hand-operated device, and the rear end of the screw rod is concentrically provided with a manual connecting shaft; the hand-operated device comprises a rotating shaft, a head spanner, a folding handle, a limiting disc and a spring, wherein the rotating shaft is rotatably arranged at the rear end of the shell, the head spanner is fixedly arranged at the front end of the rotating shaft, the folding handle is fixedly arranged at the rear end of the rotating shaft and is suitable for rotating the rotating shaft, the limiting disc is fixedly arranged on the rotating shaft and is positioned at the inner side of the shell, the limiting disc limits the hand-operated device to be separated from the shell, and the spring is arranged between the hand-operated device and the shell and forces the hand-operated device to slide towards the rear side; the head wrench and the manual connecting shaft are separated when the hand-cranking device is in an initial state; the head wrench and the manual connecting shaft can be combined by pressing the hand-cranking device forwards and overcoming the elasticity of the spring, so that the screw and the hand-cranking device can synchronously rotate;

the electric push rod further comprises an emergency lamp device, a power line is arranged on the shell and is respectively connected with the motor and the emergency lamp device; the emergency lamp device comprises an electric connection base, a storage battery and an emergency lamp, wherein the electric connection base is fixedly arranged on the casing, the emergency lamp is fixedly and electrically connected to the storage battery, the storage battery is detachably arranged on the electric connection base, and when the storage battery is combined with the electric connection base, the storage battery is electrically connected with the electric connection base;

the electric push rod further comprises a micro generator, the micro generator is electrically connected with the emergency lamp device, a driving gear is arranged on the outer side of the limiting disc, and a driven gear is connected to the micro generator; when the hand-cranking device is in an initial state, the driving gear is meshed with the driven gear, and the micro generator can be driven to generate power by rotating the hand-cranking device; the driving gear and the driven gear can be separated by pressing the hand cranking device forwards and overcoming the elastic force of the spring.

Preferably, the folding handle comprises a fixed handle, a telescopic handle and a hinged handle, the fixed handle is fixedly arranged at the rear end of the rotating shaft, the telescopic handle is slidably arranged on the fixed handle, the telescopic handle can be fixed on the fixed handle, the hinged handle is hinged at the lower end of the telescopic handle, the hinged handle can be turned over between zero and ninety degrees relative to the telescopic handle, and the hinged handle can be fixed at zero and ninety degrees. After the folding handle is folded according to the structure, the folding handle has compact structure when not in use and does not occupy too much space.

Preferably, the telescopic handle is sleeved outside the fixed handle, a penetrating mounting hole is formed in the lower end of the fixed handle, an elastic clamping bead is arranged in the mounting hole, a plurality of clamping holes are formed in the two sides of the telescopic handle along the length direction, and the elastic clamping bead can enter the clamping holes to fix the telescopic handle on the fixed handle. The telescopic fixing mode is simple, reliable and convenient to operate.

As an improvement, a holding sleeve is further sleeved outside the hinge handle, and the holding sleeve is rotatably arranged on the hinge handle. The holding sleeve is used for shaking hands, so that an operator can rotate the hand-cranking device more conveniently.

As an improvement, a rotating column extends out of the rear end of the rotating shaft, and a rotating disc is rotatably arranged on the rotating column. The rotating disc is suitable for being pressed by hands, so that the head wrench is combined with the manual connecting shaft; when the screw rod needs to be manually rotated, one hand is used for continuously pressing the rotary disc to enable the head wrench and the manual connecting shaft to be kept combined, the other hand is used for rotating the folding handle to enable the screw rod to rotate, and the rotary disc and the hand pressing the rotary disc are always kept still in the rotating process; the structure enables the operation of the hand-operated device to be more convenient and the rotation to be more reliable.

As an improvement, a rotating bearing is arranged on the machine shell, and the rotating shaft is arranged on the rotating bearing. The structure of the device is more reasonable and reliable.

Preferably, the manual connecting shaft is a hexagonal convex column, and the head wrench is an inner hexagonal sleeve. The above structure is a commonly used linkage structure.

As an improvement, the storage battery is further provided with a handle, the handle is hinged to one side of the storage battery, and the handle can be fixed at any angle. The setting of handle, on the one hand conveniently pulls out the battery from the electricity federation base, and on the other hand is convenient when battery and emergency light exclusive use is carried.

Preferably, an accommodating groove is formed in one side of the storage battery, the handle is hinged in the accommodating groove, and the handle is not higher than the accommodating groove when being folded. Under the condition that does not use the emergency light device, through the setting of holding tank, can hide the handle, improve equipment's wholeness and aesthetic property.

Preferably, two electrical connection holes are formed in the upper portion of the casing, two conductive columns extend out of the lower portion of the electrical connection base, and the conductive columns penetrate through the electrical connection holes and are electrically connected with the power line. The power-on connection mode is simple and reliable, and the cost is low.

Preferably, an elastic contact is arranged above the electric coupler base, a contact piece is arranged below the storage battery, and when the storage battery is combined with the electric coupler base, the contact piece abuts against the elastic contact to realize the electric connection between the storage battery and the electric coupler base. The above structure is a common structure for separable electrical connection.

Compared with the prior art, the invention has the following advantages: this scheme sets up the hand cranking device integration on electric putter, has saved the trouble of additionally carrying hand cranking device. The hand-operated device has a clutch function, is in a separated state when not in use, and cannot influence the normal work of the electric push rod; when the power is off, the hand-operated device can be pressed to a combined state, and the hand-operated device is rotated to manually adjust the electric push rod; after the adjustment is finished, the hand-operated device can automatically return to the separation state; has the advantages of simple operation and reliable use. In addition, the folding design of the folding handle does not occupy too much space, so that the electric push rod keeps a compact structure.

In addition, the motor of the electric push rod necessarily needs a power line to supply power to the electric push rod. The current power cord structure of this scheme utilization electric putter, the reseparation is to the emergency light device all the way, makes the emergency light device can keep the on state constantly. And the emergency lamp automatically lights under the condition that the electric push rod is powered off, on one hand, the emergency lamp is used for displaying the working state of the electric push rod, and on the other hand, the emergency lamp plays a role in illumination so as to be prepared for the need from time to time. It is worth mentioning that the storage battery and the emergency lamp can be separated, and the emergency lamp can be lighted up inevitably when being separated, so that the emergency lamp can be used as a handheld lighting device; and when battery and emergency light put back the electricity and ally oneself with the base, the battery can no longer supply power to the emergency light because of lasting circular telegram again, and the emergency light can extinguish naturally, and its theory of operation is similar with current civilian emergency light.

Moreover, this scheme has still set up microgenerator, and the hand cranking device of this scheme electric putter area of utilization can rotate microgenerator and generate electricity, and microgenerator then can charge to the emergency light device. It is worth mentioning that the initial state rotates the hand cranking device and can generate electricity, presses the hand cranking device and then rotates the hand cranking device and then can adjust electric putter, and two kinds of states do not interfere with each other.

In practical application, when an unexpected power failure occurs, the emergency lamp device automatically lights up firstly. At this time, the hand cranking device can be pressed to an adjusting state, and the hand cranking device is rotated to manually adjust the electric push rod. After the adjustment finishes, hand cranking device can automatic recovery to the electricity generation state, rotates hand cranking device this moment, can drive microgenerator and generate electricity, charges to emergency light device, and emergency light device then can carry out the illumination work that lasts, improves electric putter's emergency performance.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a half sectional view showing a power generating state according to a preferred embodiment of the present invention (the power generating state, i.e., an initial state, means a state in which the head wrench is separated from the manual coupling shaft and the driving gear is engaged with the driven gear);

FIG. 3 is a half sectional view showing an adjustment state of the head wrench and the manual coupling shaft in a state where the driving gear and the driven gear are separated according to a preferred embodiment of the present invention;

FIG. 4 is an exploded view of a preferred embodiment according to the present invention;

FIG. 5 is a schematic perspective view of a hand cranking device according to a preferred embodiment of the present invention;

FIG. 6 is a half sectional view of a hand crank in accordance with a preferred embodiment of the present invention;

FIG. 7 is an exploded view of a hand crank in accordance with a preferred embodiment of the present invention;

FIG. 8 is a perspective view of the hand cranking device in a deployed state according to a preferred embodiment of the present invention;

FIG. 9 is a schematic perspective view of an emergency light assembly according to a preferred embodiment of the present invention;

fig. 10 is a perspective view of a preferred embodiment of the present invention with the battery and emergency light removed from the electrical coupler base and used as a hand held lighting device.

FIG. 11 is an exploded view of an emergency light assembly according to a preferred embodiment of the present invention;

FIG. 12 is a schematic structural view of an electrical coupler base in accordance with a preferred embodiment of the present invention;

fig. 13 is a perspective view of a battery and an emergency light according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

As shown in fig. 1 to 13, a preferred embodiment of the present invention includes a casing 1, a guide sleeve 2, a motor 3, a screw 4, a sliding seat 5 and a push rod 6, wherein the guide sleeve 2 is fixedly disposed at the front end of the casing 1, the motor 3 is fixedly disposed at the lower end of the casing 1, the screw 4 is rotatably disposed in the guide sleeve 2, the sliding seat 5 is connected to the screw 4 by a thread, the sliding seat 5 is slidably disposed in the guide sleeve 2, and the push rod 6 is fixedly disposed on the sliding seat 5; the motor 3 drives the screw rod 4 to rotate and drives the push rod 6 to do linear reciprocating motion through the sliding seat 5. The embodiment mainly carries out original design in three aspects, and specifically comprises the following steps:

the electric push rod also comprises a hand-operated device 7, and the rear end of the screw rod 4 is concentrically provided with a manual connecting shaft 41; hand cranking device 7 includes pivot 71, head spanner 72, folding handle 73, spacing dish 74 and spring 75, pivot 71 rotates and sets up in casing 1 rear end, head spanner 72 fixes and sets up in pivot 71 front end, folding handle 73 fixes and sets up in pivot 71 rear end, folding handle 73 is suitable for and rotates pivot 71, spacing dish 74 is fixed to be set up on pivot 71 and is located the casing 1 inboard, spacing dish 74 restriction hand cranking device 7 breaks away from the casing, spring 75 sets up between hand cranking device 7 and casing 1, and force hand cranking device 7 to the rear side slip. The working principle is as follows: when the hand-operated device 7 is in an initial state, the head wrench 72 is separated from the manual connecting shaft 41; by pressing the hand crank 7 forward and against the force of the spring 75, the head wrench 72 and the hand coupling 41 are coupled to achieve synchronous rotation of the screw 4 and the hand crank 7.

The electric push rod further comprises an emergency lamp device 8, a power line 9 is arranged on the shell 1, and the power line 9 is respectively connected with the motor 3 and the emergency lamp device 8; the emergency lamp device 8 comprises an electricity union base 81, a storage battery 82 and an emergency lamp 83, the electricity union base 81 is fixedly arranged on the machine shell 1, the emergency lamp 83 is fixedly arranged on the storage battery 82, the storage battery 82 is detachably arranged on the electricity union base 81, and when the storage battery 82 is combined with the electricity union base 81, the storage battery 82 is electrically connected with the electricity union base 81.

The electric push rod further comprises a micro generator 10, the micro generator 10 is electrically connected with the emergency lamp device 8, a driving gear 78 is arranged on the outer side of the limiting disc 74, and a driven gear 101 is connected to the micro generator 10; when the hand cranking device 7 is in an initial state, the driving gear 78 is meshed with the driven gear 101, and the micro generator 10 can be driven to generate power by rotating the hand cranking device 7; pressing the hand crank 7 forward and against the spring force of the spring 75 causes the drive gear 78 and the driven gear 101 to disengage.

The folding handle 73 comprises a fixed handle 731, a telescopic handle 732 and a hinge handle 733, the fixed handle 731 is fixedly arranged at the rear end of the rotating shaft 71, the telescopic handle 732 is slidably arranged on the fixed handle 731, the telescopic handle 732 can be fixed on the fixed handle 731, the hinge handle 733 is hinged at the lower end of the telescopic handle 732, the hinge handle 733 can be turned over between zero and ninety degrees relative to the telescopic handle 732, and the hinge handle 733 can be fixed at zero and ninety degrees. The telescopic handle 732 is sleeved outside the fixing handle 731, a through mounting hole 7311 is formed at the lower end of the fixing handle 731, an elastic locking bead 735 is arranged in the mounting hole 7311, a plurality of locking holes 7321 are formed at both sides of the telescopic handle 732 along the length direction, and the elastic locking bead 735 can enter the locking holes, so that the telescopic handle 732 is fixed on the fixing handle 731. In this embodiment, a holding sleeve 734 is further sleeved outside the hinge handle 733, and the holding sleeve 734 is rotatably disposed on the hinge handle 733.

In order to facilitate rotation while pressing, a rotation post 76 extends from the rear end of the rotation shaft 71, and a rotation disc 77 is rotatably disposed on the rotation post 76.

In this embodiment, the housing 1 is provided with a rotary bearing 11, and the rotating shaft 71 is provided on the rotary bearing 11. The manual connecting shaft 41 is a hexagonal convex column, and the head wrench 72 is an inner hexagonal sleeve.

The storage battery 82 is further provided with a handle 84, the handle 84 is hinged to one side of the storage battery 82, and the handle 84 can be fixed at any angle. Furthermore, a receiving groove 822 is formed on one side of the battery 82, the handle 84 is hinged in the receiving groove 822, and the handle 84 is not higher than the receiving groove 822 when being folded.

As an electrical connection structure, two electrical connection holes 12 are formed above the housing 1, two conductive posts 811 extend from the lower portion of the electrical connection base 81, and the conductive posts 811 penetrate through the electrical connection holes 12 and are electrically connected to the power line 9. An elastic contact 812 is arranged above the electric coupler base 81, a contact piece 821 is arranged below the storage battery 82, and when the storage battery 82 is combined with the electric coupler base 81, the contact piece 821 is abutted against the elastic contact 812, so that the storage battery 82 is electrically connected with the electric coupler base 81.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric push rod with a power failure emergency function comprises a shell, a guide sleeve, a motor, a screw, a sliding seat and a push rod, wherein the guide sleeve is fixedly arranged at the front end of the shell; the motor drives the screw rod to rotate and drives the push rod to do linear reciprocating motion through the sliding seat; the method is characterized in that:

2. The electric push rod with the power-off emergency function according to claim 1, characterized in that: folding handle includes fixed handle, flexible handle and articulated handle, fixed handle fixed set up in the pivot rear end, flexible handle slide set up in on the fixed handle, just flexible handle can be fixed on the fixed handle, articulated handle articulate in flexible handle lower extreme, the articulated handle can be relative flexible handle is overturn between zero to ninety degrees, just the articulated handle can be fixed when zero degree and ninety degrees.

3. The electric push rod with the power-off emergency function according to claim 2, characterized in that: the telescopic handle is sleeved outside the fixed handle, a penetrating mounting hole is formed in the lower end of the fixed handle, an elastic clamping bead is arranged in the mounting hole, a plurality of clamping holes are formed in the two sides of the telescopic handle along the length direction, and the elastic clamping bead can enter the clamping holes to fix the telescopic handle on the fixed handle.

4. The electric push rod with the power-off emergency function according to claim 3, characterized in that: the outer portion of the hinge handle is further sleeved with a holding sleeve, and the holding sleeve is rotatably arranged on the hinge handle.

5. The electric push rod with the power-off emergency function according to claim 1, characterized in that: the rear end of the rotating shaft also extends out of the rotating column, and the rotating column is rotatably provided with a rotating disc.

6. An electric putter with power-off emergency function according to any one of claims 1 to 5, wherein: the shell is provided with a rotating bearing, and the rotating shaft is arranged on the rotating bearing; the manual connecting shaft is a hexagonal convex column, and the head wrench is an inner hexagonal sleeve.

7. The electric push rod with the power-off emergency function according to claim 1, characterized in that: the storage battery is further provided with a handle, the handle is hinged to one side of the storage battery, and the handle can be fixed at any angle.

8. The electric push rod with the power-off emergency function according to claim 7, characterized in that: the storage battery is characterized in that an accommodating groove is formed in one side of the storage battery, the handle is hinged in the accommodating groove, and the handle is not higher than the accommodating groove when being folded.

9. The electric push rod with the power-off emergency function according to claim 1, characterized in that: two electric connection holes are formed in the upper portion of the machine shell, two conductive columns extend out of the lower portion of the electric connection base, penetrate through the electric connection holes and are electrically connected with the power line.

10. The electric push rod with the power-off emergency function according to claim 9, wherein: the electric coupler is characterized in that an elastic contact is arranged above the electric coupler base, a contact piece is arranged below the storage battery, and when the storage battery is combined with the electric coupler base, the contact piece is abutted against the elastic contact, so that the electric connection between the storage battery and the electric coupler base is realized.