CN218152211U

CN218152211U - Electric actuator stroke stop gear

Info

Publication number: CN218152211U
Application number: CN202221880092.3U
Authority: CN
Inventors: 谢伟
Original assignee: Tianjin Bonade Actuator Manufacture Co ltd
Current assignee: Tianjin Bonade Actuator Manufacture Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-27
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses an electric actuator stroke stop gear belongs to electric actuator technical field, which comprises a top plate, roof both ends bottom all is connected with the curb plate, is connected with drive screw between the bottom of two curb plates along the horizontal direction on, drive screw's one end extends to the external connection of curb plate has step motor, drive screw's outside is located and is connected with the sliding seat between the inboard of two curb plates, the gag lever post that is equipped with drive screw parallel arrangement is inserted at the top of sliding seat, fixed connection between the inner wall of the both ends of gag lever post and two curb plates, the inboard position department that the both ends bottom of roof is located two curb plates all installs the spacing subassembly of stroke. The utility model discloses a both ends at the stroke have all set up the spacing subassembly of stroke, are convenient for in the use, carry out the spacing processing of stroke to the sliding seat that the transmission screw rod is outside to can play buffering protective effect at the contact in-process, structural design is simple, convenience safe in utilization.

Description

Electric actuator stroke stop gear

Technical Field

The utility model relates to an electric actuator technical field, concretely relates to electric actuator stroke stop gear.

Background

The most extensive definition for an actuator is: a drive unit able to provide linear or rotary motion features that it uses a certain drive energy source and works under the action of a certain control signal, and its actuator uses liquid, gas, electric power or other energy source and converts it into drive action by motor, cylinder or other unit.

Through the retrieval, chinese utility model patent that publication number is CN202795128U discloses an electric actuator stroke stop gear, including the bottom plate and wear to establish on the bottom plate and with bottom plate sliding connection's guide arm, the top of guide arm is equipped with the limiting plate, be equipped with two guide slots parallel with guide arm sliding direction on the limiting plate, go up spacing adjusting block and lower spacing adjusting block and fix respectively on two guide slots, the one side that limiting block about the limiting plate was equipped with is equipped with to the travel switch installing support, be equipped with upper travel limit switch and lower travel limit switch on the travel switch installing support, upper and lower travel limit switch's position is corresponding with two guide slots. This patent has solved that prior art's electric actuator stroke stop gear processing degree of difficulty is big, and high and the little problem of control range of manufacturing cost, and this electric actuator stroke stop gear processing is convenient, with low costs and control range is big, maintains simply, has very high practical value.

Above-mentioned patent discloses an adopt electric telescopic handle like the linear motion stop gear of cylinder or pneumatic cylinder, and in fact, the electric actuator of linear motion still drives the lead screw rotation and drives the object and carry out rectilinear movement including adopting the motor, and current adoption lead screw drive's electric actuator stroke spacing part structural design is not good, though can reach anticipated effect, but can collide and easily cause impairedly at stroke terminal position, and the protective effect is not good.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an electric actuator stroke stop gear has all set up the spacing subassembly of stroke through the both ends at the stroke, is convenient for carry out the spacing processing of stroke to the sliding seat of transmission screw outside in the use to can play buffering protective effect at the contact in-process, structural design is simple, convenience safe in utilization, with the technical problem who solves existence among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an electric actuator stroke stop gear, includes the roof, roof both ends bottom all is connected with the curb plate, is connected with drive screw between the bottom of two curb plates along the horizontal direction on, drive screw's one end extends to the external connection of curb plate has step motor, drive screw's outside is located and is connected with the sliding seat between the inboard of two curb plates, the gag lever post that is equipped with drive screw parallel arrangement is inserted at the top of sliding seat, fixed connection between the inner wall of the both ends of gag lever post and two curb plates, the inboard position department that the both ends bottom of roof is located two curb plates all installs the spacing subassembly of stroke.

As the utility model discloses technical scheme's further improvement, the end position department that the inner wall of curb plate corresponds drive screw installs the bearing frame, through screw fixed connection between the outer wall of step motor and curb plate.

As the utility model discloses technical scheme's further improvement, the inside of sliding seat corresponds drive screw's outside and is provided with the screw, and the outside position department that the inside of sliding seat corresponds the gag lever post is provided with the spacing hole of second.

As the utility model discloses technical scheme's further improvement, the spacing subassembly of stroke includes that fixed connection is close to the inboard fixed plate of curb plate in the roof bottom, the inboard of fixed plate is provided with stroke buffering clamp plate, be connected with a plurality of spring between fixed plate and the stroke buffering clamp plate, and the bottom inside wall of fixed plate is provided with stroke contact press switch.

As a technical scheme of the utility model further improve, the top of stroke buffering clamp plate is provided with T type fixture block, the outside that the bottom of roof corresponds T type fixture block is provided with T type spout on the horizontal direction.

As a technical scheme of the utility model further improve, connected mode between the both ends of spring and the inside wall of fixed plate and the lateral wall of stroke buffer clamp plate is the welding.

As the utility model discloses technical scheme's further improvement, the outside that the inside of fixed plate and stroke buffering clamp plate corresponds the gag lever post all is provided with first spacing hole, and the outside position department that the inside of fixed plate and stroke buffering clamp plate corresponds drive screw is provided with the through-hole.

As a further improvement of the technical scheme of the utility model, welded fastening or through screw fixed connection between the top of fixed plate and the bottom of roof, stroke contact press switch's the length of stretching out is less than the natural extension length of spring.

The utility model has the advantages of as follows:

the utility model discloses a both ends at the stroke have all set up the spacing subassembly of stroke, be convenient for in the use, drive screw when starting step motor and rotate, and then when driving the sliding seat and carrying out lateral shifting, the spacing subassembly of stroke of utilizing both sides conveniently controls the stroke position of sliding seat, move to make spring compression carry out preliminary buffering after the tip contacts stroke buffer board gradually as the sliding seat, the bottom that finally makes the stroke buffer board presses down messenger step motor stall to the stroke contact press switch of fixed plate bottom, thereby reach the spacing effect of stroke, and can play buffering protective effect in the contact process, and the structure design is simple, and is safe and convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

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

fig. 2 is a schematic structural view of the middle movable seat of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 4 is a schematic structural view of the middle stroke limiting assembly of the present invention;

in the figure: 1. a top plate; 2. a side plate; 3. a drive screw; 4. a stepping motor; 5. a movable seat; 6. a limiting rod; 7. a fixing plate; 8. a stroke buffer pressing plate; 9. a spring; 10. a travel contact push switch; 11. a first limit hole; 12. a through hole; 51. a second limiting hole; 52. a screw hole; 81. t-shaped fixture blocks.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the accompanying drawings of the specification, fig. 1-4 show an electric actuator stroke limiting mechanism, including roof 1, roof 1 both ends bottom all is connected with curb plate 2, be connected with drive screw 3 along the horizontal direction between the bottom of two curb plates 2, the external connection that the one end of drive screw 3 extended to curb plate 2 has step motor 4, be connected with movable seat 5 between the inboard that drive screw 3's outside was located two curb plates 2, gag lever post 6 with drive screw 3 parallel arrangement is inserted at the top of movable seat 5, fixed connection between the both ends of gag lever post 6 and the inner wall of two curb plates 2, the inside position department that the both ends bottom of roof 1 was located two curb plates 2 all installs the spacing subassembly of stroke.

As shown in the attached drawing 1, the end position of the inner wall of the side plate 2 corresponding to the transmission screw rod 3 is provided with a bearing seat, and the stepping motor 4 is fixedly connected with the outer wall of the side plate 2 through a screw, so that the transmission screw rod 3 can be conveniently stably rotated, and the stepping motor 4 can be conveniently and fixedly installed.

As shown in fig. 1-2, the inside of the movable seat 5 is provided with a screw hole 52 corresponding to the outside of the driving screw 3, and the inside of the movable seat 5 is provided with a second limiting hole 51 corresponding to the outside of the limiting rod 6, so that when the movable seat 5 is used, when the driving screw 3 is driven by the starting stepping motor 4 to rotate, the movable seat 5 is limited by the limiting rod 6, and when the driving screw 3 rotates, the screw hole 52 of the matching structure is utilized to facilitate the movable seat 5 to move horizontally.

As shown in fig. 1 and fig. 3-4, the stroke limiting component includes a fixed plate 7 fixedly connected to the bottom end of the top plate 1 and close to the inner side of the side plate 2, a stroke buffering pressing plate 8 is disposed on the inner side of the fixed plate 7, a plurality of springs 9 are connected between the fixed plate 7 and the stroke buffering pressing plate 8, and a stroke contact pressing switch 10 is disposed on the inner side wall of the bottom of the fixed plate 7, so that in the using process, when the stepping motor 4 is started to drive the transmission screw 3 to rotate, and further the movable seat 5 is driven to move transversely, the stroke limiting components on the two sides are convenient to control the stroke position of the movable seat 5, when the movable seat 5 moves to the end contact stroke buffering plate 8, the springs 9 are gradually compressed to perform primary buffering, and finally the bottom of the stroke buffering plate 8 presses the stroke contact pressing switch 10 at the bottom of the fixed plate 7 to stop the stepping motor 4, so as to achieve the effect of limiting stroke, the stroke contact pressing switch 10 is the same as the effect of the switch part of the stepping motor 4 on the external controller, and the stepping motor 4 can be controlled to stop the running.

As shown in fig. 1 and fig. 3-4, a T-shaped block 81 is disposed at the top end of the stroke buffering pressing plate 8, and a T-shaped sliding groove is disposed at the bottom of the top plate 1 along the horizontal direction corresponding to the outside of the T-shaped block 81, so as to facilitate pushing the stroke buffering pressing plate 8 to stably move in the horizontal direction during the moving process of the movable seat 5.

As shown in fig. 1 and fig. 3-4, the two ends of the spring 9 are welded to the inner sidewall of the fixed plate 7 and the outer sidewall of the stroke buffering pressure plate 8, so as to facilitate the connection of the spring 9.

As shown in fig. 1, the fixing plate 7 and the stroke buffer pressing plate 8 are provided with a first limiting hole 11 at the inner part thereof corresponding to the outer part of the limiting rod 6, and the fixing plate 7 and the stroke buffer pressing plate 8 are provided with a through hole 12 at the inner part thereof corresponding to the outer part of the driving screw 3, so that the fixing plate 7 and the stroke buffer pressing plate 8 are not affected when the driving screw 3 rotates.

As shown in fig. 1 and fig. 3-4, the top end of the fixing plate 7 is welded or fixed to the bottom of the top plate 1 by screws, the extension length of the travel contact pressing switch 10 is smaller than the natural extension length of the spring 9, so that the fixing plate 7 can be connected and fixed conveniently, and the length of the spring 9 is set so as to have a buffering effect when the travel contact pressing switch 10 is pressed.

The utility model discloses a use as follows: the utility model discloses control 5 at the outside stroke of drive screw 3 to step motor 4 control sliding seat, and through all set up the spacing subassembly of stroke at the both ends of stroke, be convenient for in the use, drive screw 3 and rotate when starting step motor 4, and then drive sliding seat 5 and carry out lateral shifting, the spacing subassembly of stroke that utilizes both sides is convenient to be controlled the stroke position of sliding seat 5, make spring 9 compression carry out preliminary buffering gradually after sliding seat 5 removes to tip contact stroke buffer board 8, finally make stroke buffer board 8's bottom press down switch 10 to the stroke contact of fixed plate 7 bottom and press down and make step motor 4 stall, thereby reach the spacing effect of stroke, the shutdown effect that the switch portion of controlling step motor 4 reaches on the stroke contact press down switch 10 that sets up and the external controller is the same, the shutdown effect that homoenergetic controlled step motor 4 stall.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof without substantial changes in the technical content are also regarded as the scope of the present invention.

Claims

1. The utility model provides an electric actuator stroke stop gear, includes roof (1), its characterized in that: roof (1) both ends bottom all is connected with curb plate (2), is connected with drive screw (3) along the horizontal direction between the bottom of two curb plates (2), the external connection that the one end of drive screw (3) extended to curb plate (2) has step motor (4), be connected with movable seat (5) between the inboard that the outside of drive screw (3) is located two curb plates (2), gag lever post (6) that are equipped with drive screw (3) parallel arrangement are inserted at the top of movable seat (5), fixed connection between the inner wall of both ends and two curb plates (2) of gag lever post (6), the inboard position department that the both ends bottom of roof (1) is located two curb plates (2) all installs the spacing subassembly of stroke.

2. The electric actuator travel limiting mechanism of claim 1, wherein: the bearing seat is installed at the position, corresponding to the end part of the transmission screw rod (3), of the inner wall of the side plate (2), and the stepping motor (4) is fixedly connected with the outer wall of the side plate (2) through screws.

3. The electric actuator stroke limiting mechanism of claim 1, wherein: the inside of the movable seat (5) is provided with a screw hole (52) corresponding to the outside of the transmission screw rod (3), and the inside of the movable seat (5) is provided with a second limiting hole (51) corresponding to the outside of the limiting rod (6).

4. The electric actuator travel limiting mechanism of claim 1, wherein: the stroke limiting assembly comprises a fixed plate (7) fixedly connected to the bottom end of the top plate (1) and close to the inner side of the side plate (2), a stroke buffering pressing plate (8) is arranged on the inner side of the fixed plate (7), a plurality of springs (9) are connected between the fixed plate (7) and the stroke buffering pressing plate (8), and a stroke contact pressing switch (10) is arranged on the inner side wall of the bottom of the fixed plate (7).

5. The electric actuator travel limiting mechanism of claim 4, wherein: the top end of the stroke buffering pressing plate (8) is provided with a T-shaped fixture block (81), and a T-shaped sliding groove is formed in the bottom of the top plate (1) corresponding to the outer portion of the T-shaped fixture block (81) in the horizontal direction.

6. The electric actuator stroke limiting mechanism of claim 4, wherein: and the two end parts of the spring (9) are welded with the inner side wall of the fixed plate (7) and the outer side wall of the stroke buffer pressure plate (8).

7. The electric actuator travel limiting mechanism of claim 4, wherein: the inner parts of the fixed plate (7) and the stroke buffering pressing plate (8) correspond to the outer parts of the limiting rods (6) and are provided with first limiting holes (11), and through holes (12) are formed in the positions, corresponding to the outer parts of the transmission screw rods (3), of the inner parts of the fixed plate (7) and the stroke buffering pressing plate (8).

8. The electric actuator travel limiting mechanism of claim 4, wherein: the top end of the fixed plate (7) is fixedly welded or fixedly connected with the bottom of the top plate (1) through a screw, and the extending length of the stroke contact pressing switch (10) is smaller than the natural extending length of the spring (9).