CN214256006U - Electric push rod with stroke control function - Google Patents
Electric push rod with stroke control function Download PDFInfo
- Publication number
- CN214256006U CN214256006U CN202120016975.9U CN202120016975U CN214256006U CN 214256006 U CN214256006 U CN 214256006U CN 202120016975 U CN202120016975 U CN 202120016975U CN 214256006 U CN214256006 U CN 214256006U
- Authority
- CN
- China
- Prior art keywords
- nut
- contact
- electric putter
- elastic piece
- control function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model provides an electric putter with stroke control function belongs to the electric putter field. Electric putter include the lead screw, with lead screw threaded connection's nut with be used for injecing the travel switch of electric putter stroke, electric putter still include with nut relatively fixed's elastic component, travel switch includes the contact, the lead screw passes through the nut drives elastic component axial displacement, touch during elastic component axial displacement the contact is in order to control travel switch opens or closes, the utility model has the advantages of, adopt this kind of structure for the protruding difficult contact that hits bad during nut axial displacement improves travel switch's life, the utility model is used for electric putter's stroke control.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electric putter with stroke control function belongs to the electric putter field.
[ background of the invention ]
At present, electric putter's application is more and more extensive, and electric putter commonly used includes motor, gear assembly, lead screw, nut, inner tube and outer tube, and the motor drives the gear assembly motion, and the gear assembly drives the lead screw and rotates, and then drives nut axial displacement, drives the inner tube when the nut removes and stretches out and draws back for the outer tube.
In order to enable the electric push rod to realize stroke control, generally, a stroke switch is arranged in the electric push rod, a protrusion is arranged on a nut, a contact is arranged on the stroke switch, and the nut touches the contact of the stroke switch through the protrusion when moving axially, so that stroke control can be realized.
[ Utility model ] content
The utility model aims to solve the technical problem that an electric putter with stroke control function is provided for the arch is difficult to hit bad contact during nut axial displacement, improves travel switch's life.
In order to solve the technical problem, the utility model discloses electric putter with stroke control function include the lead screw, with lead screw threaded connection's nut with be used for injecing the travel switch of electric putter stroke, electric putter still include with nut relatively fixed's elastic component, travel switch includes the contact, the lead screw passes through the nut drives elastic component axial displacement, touch during the elastic component axial displacement the contact is with control travel switch opens or closes.
Preferably, the elastic element is connected to the nut, and when the elastic element is in contact with the contact, the elastic element and the contact are in transmission through an inclined plane.
Preferably, a gap for providing a deformation space for the elastic member is arranged between the elastic member and the nut.
Preferably, the resilient member is bowed away from the nut surface and/or the nut surface is recessed to form the gap between the resilient member and the nut.
Preferably, the elastic member extends from the arched portion to two axial sides to form two inclined surfaces, one end of the elastic member is fixed relative to the nut, and the other end of the elastic member is a free end.
Preferably, one end of the elastic element is fixed relative to the nut, and the other end of the elastic element extends axially to form an inclined surface.
Preferably, the electric push rod includes an inner tube fixed with respect to the nut, and the elastic member is connected to the inner tube.
Preferably, the spring and the contact are triggered in a direction radially or axially opposite to each other.
Preferably, the nut is provided with a transition inclined surface for enabling the contact to slide onto the elastic member.
Preferably, the electric push rod further comprises a gear box and an outer tube fixed relative to the gear box, and the travel switch is fixed on the outer tube or the gear box.
The utility model has the advantages that:
firstly, the screw rod drives the nut to axially move when rotating, the elastic piece is driven to touch the contact to control the opening or closing of the travel switch when the nut axially moves, so that the electric push rod can realize travel control by controlling the opening and the closing of the travel switch, secondly, as the elastic part is adopted to touch the contact, the contact can apply a reaction force to the elastic part to lead the elastic part to deform, thereby enabling the elastic piece to deform and contract to prevent the contact from being damaged due to collision caused by the longer protrusion and touching the root side of the contact, meanwhile, the elastic piece can buffer and prevent the contact from being damaged, so that when the nut is closer to the travel switch due to processing, installation error or larger radial force and the like, the length of the elastic piece can be adjusted through the deformation of the elastic piece, so that the contact is not easily damaged by the protrusion when the nut moves axially, and the service life of the travel switch can be prolonged.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of an electric putter according to an embodiment;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic view of a nut and an elastic member according to the first embodiment.
Reference numerals:
1 inner tube, 2 nuts, 3 elastic parts, 4 travel switches, 5 contacts, 6 outer tubes and 7 gear boxes.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
In the following description, the terms "inside", "outside", "upper", "lower", "left", "right", and the like, which indicate orientations or positional relationships, are used to indicate orientations or positional relationships based on the drawings, and are only used for convenience in describing embodiments and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 3, a preferred structure of the electric push rod with a stroke control function in this embodiment includes a lead screw, a nut 2 in threaded connection with the lead screw, and a stroke switch 4 for limiting a stroke of the electric push rod, the electric push rod further includes an elastic member 3 fixed relative to the nut 2, the stroke switch 4 includes a contact 5, the lead screw drives the elastic member 3 to move axially through the nut 2, and the elastic member 3 touches the contact 5 when moving axially to control the stroke switch 4 to be turned on or turned off.
The utility model has the advantages that:
firstly, the screw rod drives the nut 2 to move axially when rotating, the nut 2 drives the elastic part 3 to touch the contact 5 to control the stroke switch 4 to be opened or closed when moving axially, so that the electric push rod can control the start and stop through the stroke switch 4 to realize stroke control, secondly, the contact 5 can apply a reaction force to the elastic part 3 by adopting the elastic part 3 to touch the contact 5, so that the elastic part 3 deforms, further the elastic part 3 can deform and contract to prevent the contact 5 from being damaged due to the fact that the elastic part extends out to touch one side of the root of the contact 5 in a longer way, meanwhile, the contact 5 can be prevented from being damaged by buffering through the elastic part 3, when the elastic part 3 is closer to the stroke switch 4 due to reasons of processing, installation errors or large radial force and the like, the length of the elastic part 3 can be adjusted through the deformation of the elastic part 3, so that the protrusion is not easy to damage the contact 5 when moving axially, so that the service life of the travel switch 4 can be increased.
In addition, when the nut 2 is further away from the travel switch 4 due to machining, installation error or large radial force, the elastic part 3 is required to be protruded outwards when being installed, so as to prevent the elastic part 3 from being further away from the travel switch 4 and being not contacted with the contact 5, and when the elastic part 3 is protruded, the elastic part 3 is more likely to be collided with one side of the root of the contact 5 during axial movement, so as to cause the contact 5 to be collided, at the moment, the elastic part 3 can be contracted by utilizing elastic deformation so as to prevent the contact 5 from being collided, and the service life of the electric push rod is further prolonged.
In addition, travel switch 4 can be micro-gap switch for can improve travel switch 4's sensitivity, when preventing that elastic component 3 from leading to the power of pressing contact 5 to reduce owing to take place deformation, can't exert great power to contact 5 and lead to travel switch 4 can not normally open or close, through micro-gap switch, elastic component 3 alright control travel switch 4 when exerting less power to contact 5 and open or close, make electric putter can realize normal opening and stopping.
In order to make it easier for the elastic member 3 to press the contact 5, in this embodiment, it is preferable that the elastic member 3 is connected to the nut 2, when the elastic member 3 contacts the contact 5, the elastic member 3 and the contact 5 are in inclined transmission, and the elastic member 3 and the nut 2 are fixedly connected or integrated, so that the nut 2 can drive the elastic member 3 to move together when moving axially, and meanwhile, since the elastic member 3 moves axially, when the contact 5 is arranged radially, the pressure in the axial direction can be decomposed into pressure in the radial direction by the inclined surface, so that the elastic member 3 can press the contact 5 more easily, and the inclined surface can be arranged on the elastic member 3 and also on the contact 5.
In order to make the elastic component 3 can be deformed and contracted, this embodiment is preferred the elastic component 3 with be equipped with between the nut 2 for the clearance that elastic component 3 provided the deformation space can hold the elastic component 3 after the deformation through the clearance for elasticity can be deformed and contracted.
In order to optimize the structure of the elastic element 3 and the nut 2, in this embodiment, it is preferable that the elastic element 3 is arched away from the surface of the nut 2 and/or the surface of the nut 2 is concave, so as to form the gap between the elastic element 3 and the nut 2, the elastic element 3 is arched or the surface of the nut 2 is concave, so as to form the gap, so that the elastic element 3 can deform and contract, meanwhile, when the elastic element 3 is arched away from the surface of the nut 2, the elastic element 3 can be protruded, so that when the nut 2 is caused by machining, installation error or large radial force, the elastic element 3 can still touch the contact 5 because of the protrusion, so that the elastic element 3 can still control the on or off of the travel switch 4.
In order to optimize the structure of the elastic part 3, this embodiment is preferred the elastic part 3 is extended to axial both sides by the hunch-up position and forms two inclined planes, just 3 one end of the elastic part with 2 relatively fixed nuts, the other end is the free end, can realize the inclined plane transmission with the contact 5 through the inclined plane, be equipped with two travel switches 4 along the lead screw axial usually, can touch two travel switches 4 respectively through two inclined planes and realize electric putter's stroke control, the elastic part 3 sets up to two sections or the multistage of buckling, can make the elasticity of 3 free ends of elastic part better, make the deformation of elastic part 3 convenient easy more.
In order to optimize the position of the contact 5, in this embodiment, it is preferable that the elastic member 3 and the contact 5 are triggered in the radial or axial opposite directions, when the elastic member 3 and the contact 5 are triggered in the radial opposite directions, the direction of movement of the contact 5 is perpendicular to the axial direction, at this time, the axial pressure can be converted into the radial pressure through the inclined plane, so as to facilitate the triggering of the contact 5, when the elastic member 3 and the contact 5 are triggered in the axial opposite directions, the inclined plane can be set to increase the contact length between the elastic member 3 and the contact 5, so as to facilitate the triggering of the contact 5 and the deformation of the elastic member 3, and the start and stop of the travel switch 4 can be controlled by directly pressing the contact 5 in the axial direction without the inclined plane.
In order to enable the elastic member 3 to be capable of pressing the contact 5, in this embodiment, it is preferable that a transition inclined surface for enabling the contact 5 to be capable of sliding onto the elastic member 3 is provided on the nut 2, when the nut 2 is in contact with the contact 5 to cause a limit due to machining, installation error or large radial force, and the like, so that the elastic member 3 cannot be pressed onto the contact 5, the nut 2 may press the contact 5 through the transition inclined surface, so that the contact 5 may slide onto the elastic member 3 on the transition inclined surface, so that the elastic member 3 may be pressed onto the contact 5, and in addition, the elastic member 3 may also be set to be a plane, and the contact 5 may be transitioned onto the plane through the transition inclined surface, so that the side surface of the plane is prevented from being in contact with the contact 5 to cause a limit.
In order to optimize the position of the travel switch 4, in this embodiment, preferably, the electric push rod further includes a gear box 7 and an outer tube 6 fixed relative to the gear box 7, the travel switch 4 is fixed on the outer tube 6 or the gear box 7, so that the travel switch 4 can be relatively fixed, and the elastic member 3 on the nut 2 is convenient to move and trigger, and in addition, the electric push rod further includes an inner tube 1, the inner tube 1 is fixed with the nut 2, and the nut 2 drives the inner tube 1 to stretch and retract when moving.
Example two:
the difference between this embodiment and the first embodiment is that, in this embodiment, one end of the elastic element is fixed to the nut, and the other end of the elastic element extends axially to form an inclined surface, with this structure, the elastic element may be only an inclined surface through which the contact can be touched to control the on or off of the travel switch, and meanwhile, the elastic element may also be only a plane, and at this time, the contact can be slid onto the plane through the transition inclined surface on the nut, so as to prevent the side edge of the plane from colliding with the contact to cause limitation.
Example three:
the difference between this embodiment and the first embodiment is that, in this embodiment, the electric push rod includes an inner tube fixed relative to the nut, the elastic member is connected to the inner tube, the nut moves to drive the inner tube to extend and retract, the inner tube moves to drive the elastic member to axially move to touch the contact, and meanwhile, when the outer tube is connected to the nut to extend and retract, the elastic member may also be located on the outer tube.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. An electric push rod with a stroke control function comprises a screw rod, a nut in threaded connection with the screw rod and a stroke switch for limiting the stroke of the electric push rod, and is characterized in that: the electric push rod further comprises an elastic piece fixed relative to the nut, the travel switch comprises a contact, the screw rod drives the elastic piece to axially move through the nut, and the elastic piece touches the contact to control the travel switch to be turned on or turned off when axially moving.
2. An electric putter with stroke control function as claimed in claim 1, wherein: the elastic piece is connected to the nut, and when the elastic piece is in contact with the contact, the elastic piece and the contact are in transmission through an inclined plane.
3. An electric putter with stroke control function as claimed in claim 2, wherein: and a gap for providing a deformation space for the elastic piece is arranged between the elastic piece and the nut.
4. An electric putter with stroke control function as claimed in claim 3, wherein: the resilient member is bowed away from the nut surface and/or the nut surface is recessed to form the gap between the resilient member and the nut.
5. An electric putter with stroke control function as claimed in claim 4, wherein: the elastic part extends from the arched part to two axial sides to form two inclined planes, one end of the elastic part is fixed relative to the nut, and the other end of the elastic part is a free end.
6. An electric putter with stroke control function as claimed in claim 3, wherein: one end of the elastic piece is fixed relative to the nut, and the other end of the elastic piece extends axially to form an inclined plane.
7. An electric putter with stroke control function as claimed in claim 1, wherein: the electric push rod comprises an inner tube fixed relative to the nut, and the elastic piece is connected to the inner tube.
8. An electric putter with stroke control function according to any one of claims 1 to 7, wherein: the elastic piece and the contact are triggered in the radial direction or the axial direction.
9. An electric putter with stroke control function according to any one of claims 1 to 7, wherein: the nut is provided with a transition inclined plane used for enabling the contact to slide to the elastic piece.
10. An electric putter with stroke control function according to any one of claims 1 to 7, wherein: the electric push rod further comprises a gear box and an outer tube fixed relative to the gear box, and the travel switch is fixed on the outer tube or the gear box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120016975.9U CN214256006U (en) | 2021-01-05 | 2021-01-05 | Electric push rod with stroke control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120016975.9U CN214256006U (en) | 2021-01-05 | 2021-01-05 | Electric push rod with stroke control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214256006U true CN214256006U (en) | 2021-09-21 |
Family
ID=77724063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120016975.9U Active CN214256006U (en) | 2021-01-05 | 2021-01-05 | Electric push rod with stroke control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214256006U (en) |
-
2021
- 2021-01-05 CN CN202120016975.9U patent/CN214256006U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109616385A (en) | Miniature circuit breaker operating mechanism | |
| CN112803661A (en) | Electric push rod with stroke control function | |
| CN214256006U (en) | Electric push rod with stroke control function | |
| US11536418B2 (en) | Telescopic bracket and open-up device using the same | |
| US8415576B2 (en) | Operating mechanism for centrifugal switch | |
| CN112610081B (en) | Concealed door handle | |
| CN211032788U (en) | Movable opening active spoiler assembly | |
| CN217560173U (en) | Refrigerator with a door | |
| CN210978595U (en) | Frictionless ball valve | |
| CN205207859U (en) | Pneumatic actuator | |
| CN206801316U (en) | A kind of passive locking device for train-door system | |
| CN214195926U (en) | Turnover electric handle | |
| CN112252866B (en) | Turnover electric handle | |
| CN209571345U (en) | A kind of mounting structure of limit switch | |
| CN110783746B (en) | Connector device with protective door | |
| CN112647785A (en) | Elastic structure for closing and limiting cabin door | |
| CN113001130A (en) | Riveting device and riveting method | |
| CN112271865A (en) | Dry-wet separation linear motion actuator | |
| CN116279904A (en) | Nail-in foot structure | |
| CN221568207U (en) | Limit structure and hinge | |
| CN214165852U (en) | Novel pneumatic uncapping device | |
| CN220109646U (en) | Lifting mechanism and electric tool | |
| CN218222469U (en) | Heat insulation sealing plate for environmental box | |
| CN102322293A (en) | Safe sealed door | |
| CN213594253U (en) | Pedal assembly, braking system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |