CN211371438U - Long-stroke multi-spring bending-prevention executing mechanism - Google Patents
Long-stroke multi-spring bending-prevention executing mechanism Download PDFInfo
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- CN211371438U CN211371438U CN201922307379.1U CN201922307379U CN211371438U CN 211371438 U CN211371438 U CN 211371438U CN 201922307379 U CN201922307379 U CN 201922307379U CN 211371438 U CN211371438 U CN 211371438U
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Abstract
The utility model relates to a long-stroke multi-spring bending-prevention executing mechanism, which comprises a casing; a spring set is arranged in the shell and comprises a left-handed spring and a right-handed spring which are circumferentially arranged at intervals; the bottom of the machine shell is provided with a tray for connecting the spring group; an anti-bending bracket is horizontally and fixedly arranged in the shell, a plurality of through holes for the spring set to pass through are formed in the anti-bending bracket, and a baffle ring is arranged on the inner wall of each through hole in an extending manner along the vertical direction; the left-handed spring and the right-handed spring which are arranged at the inner circumference of the shell at intervals counteract the mutual self-rotating force, so that the supporting plate does not rotate in the pressing process; bending during compression of the left or right hand spring is limited by the provision of the anti-buckling bracket.
Description
Technical Field
The utility model relates to an actuating mechanism specifically is a long stroke multi-spring prevents curved actuating mechanism that falls.
Background
In view of the long and large output force of some actuating mechanisms, and the design requirement of multiple springs is adopted; however, the design using the spring tends to have the following problems:
1. the spring has a rotating direction, and when the supporting plate is pressed down, the supporting plate can rotate in the horizontal direction along with the self rotation of the spring;
2. because the stroke is long, the length of the spring is long, and the spring can be bent in the process of compressing the spring;
in summary, how to prevent the spring from bending and the supporting plate from rotating in the pressing process becomes a problem which needs to be solved urgently by researchers of the company.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to prevent the spring from bending and the supporting plate from rotating in the process of pressing the supporting plate;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to a long-stroke multi-spring bending-down-proof actuating mechanism, which comprises a shell; a spring set is arranged in the shell and comprises a left-handed spring and a right-handed spring which are circumferentially arranged at intervals; the bottom of the machine shell is provided with a tray for connecting the spring group; an anti-bending bracket is horizontally and fixedly arranged in the shell, a plurality of through holes for the spring set to pass through are formed in the anti-bending bracket, and a baffle ring is arranged on the inner wall of each through hole in an extending manner along the vertical direction;
the tray is connected with the left-handed and right-handed springs which are circumferentially arranged at intervals, the left-handed and right-handed springs counteract the self-rotation force, and when the supporting plate compresses the springs, the tray cannot rotate; in addition, still be provided with in the casing and prevent curved support, the through-hole on preventing curved support is all passed to left and right rotating spring, extends along vertical direction in the through-hole and is provided with the fender ring, that is to say, keeps off the thickness that highly is greater than the through-hole of ring, takes place to buckle when left or right rotating spring is compressing to offset with keeping off the ring, keep off the ring and has restricted the crooked of left or right rotating spring.
In order to prevent the bottom of the left-handed spring or the right-handed spring from displacing with the supporting plate, the tray is provided with a groove body for placing the bottom end of the left-handed spring or the right-handed spring;
the bottom end of the left-handed spring or the right-handed spring is prevented in the groove body, and the relative displacement between the bottom end of the left-handed spring or the right-handed spring and the supporting plate is limited.
How to further limit the displacement between the bottom of the left-handed spring or the right-handed spring and the supporting plate, the utility model adopts the technical scheme that a spring seat is fixedly arranged at the center of the groove body, and the lower end of the left-handed spring or the right-handed spring is sleeved on the spring seat;
the spring seat is fixed in the groove body through the pin, and the lower end of the left-handed spring or the right-handed spring is sleeved on the spring seat to limit the movement of the left-handed spring or the right-handed projectile relative to the supporting plate.
In order to concretely explain how the anti-bending bracket is fixed on the casing, the utility model adopts the technical scheme that the outer ring of the anti-bending bracket is provided with a fixed ring, and the inner wall of the casing is provided with an annular groove matched with the fixed ring;
the fixing ring is arranged in the annular groove, so that the fixed connection between the anti-bending support and the shell is realized.
The utility model has the advantages that: the utility model relates to a long-stroke multi-spring bending-down-proof actuating mechanism, which counteracts the mutual self-rotating force through the left and right rotating springs which are arranged at intervals on the inner circumference of the shell, thus realizing that the supporting plate does not rotate in the pressing process of the supporting plate; bending during compression of the left or right hand spring is limited by the provision of the anti-buckling bracket.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of the anti-bending bracket of the present invention;
FIG. 3 is a top view of the anti-bending bracket of the present invention;
in the figure: 1-machine shell, 2-left-handed spring, 3-right-handed spring, 4-tray, 5-bending-proof support, 6-through hole, 7-baffle ring, 8-groove body, 9-spring seat, 11-fixing ring, 12-annular groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-3, the utility model relates to a long-stroke multi-spring bending-prevention executing mechanism, which comprises a casing 1; a spring set is arranged in the machine shell 1 and comprises a left-handed spring 2 and a right-handed spring 3 which are circumferentially arranged at intervals; the bottom of the machine shell 1 is provided with a tray 4 for connecting the spring group; an anti-bending bracket 5 is horizontally and fixedly arranged in the machine shell 1, a plurality of through holes 6 for the spring sets to pass through are formed in the anti-bending bracket 5, and retaining rings 7 are arranged on the inner walls of the through holes 6 in an extending mode along the vertical direction;
the tray is connected with the left-handed and right-handed springs which are circumferentially arranged at intervals, the left-handed and right-handed springs counteract the self-rotation force, and when the supporting plate compresses the springs, the tray cannot rotate; in addition, still be provided with in the casing and prevent curved support, the through-hole on preventing curved support is all passed to left and right rotating spring, extends along vertical direction in the through-hole and is provided with the fender ring, that is to say, keeps off the thickness that highly is greater than the through-hole of ring, takes place to buckle when left or right rotating spring is compressing to offset with keeping off the ring, keep off the ring and has restricted the crooked of left or right rotating spring.
As shown in fig. 1, in order to prevent the bottom of the left or right-handed spring from displacing with the supporting plate, the tray 4 of the utility model is provided with a groove body 8 for placing the bottom end of the left-handed spring 2 or the right-handed spring 3;
the bottom end of the left-handed spring or the right-handed spring is prevented in the groove body, and the relative displacement between the bottom end of the left-handed spring or the right-handed spring and the supporting plate is limited.
As shown in fig. 1, how to further limit the displacement between the bottom of the left-handed or right-handed spring and the supporting plate, the spring seat 9 is fixedly arranged at the center of the tank body 8, and the lower end of the left-handed spring 2 or the right-handed spring 3 is sleeved on the spring seat 9;
the spring seat is fixed in the groove body through the pin, and the lower end of the left-handed spring or the right-handed spring is sleeved on the spring seat to limit the movement of the left-handed spring or the right-handed projectile relative to the supporting plate.
As shown in fig. 1-3, in order to specifically explain how the anti-bending bracket is fixed on the casing, the utility model adopts the structure that the outer ring of the anti-bending bracket 5 is provided with a fixing ring 11, and the inner wall of the casing 1 is provided with an annular groove 12 matched with the fixing ring 11;
the fixing ring is arranged in the annular groove, so that the fixed connection between the anti-bending support and the shell is realized.
The utility model relates to a long-stroke multi-spring bending-down-proof actuating mechanism, which counteracts the mutual self-rotating force through the left and right rotating springs which are arranged at intervals on the inner circumference of the shell, thus realizing that the supporting plate does not rotate in the pressing process of the supporting plate; bending during compression of the left or right hand spring is limited by the provision of the anti-buckling bracket.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a long stroke multi-spring prevents curved actuating mechanism that falls which characterized in that: comprises a casing (1);
a spring set is arranged in the machine shell (1), and the spring set comprises a left-handed spring (2) and a right-handed spring (3) which are circumferentially arranged at intervals;
a tray (4) connected with the spring set is arranged at the bottom of the machine shell (1);
the spring group is characterized in that a bending-preventing support (5) is horizontally and fixedly arranged in the casing (1), a plurality of through holes (6) for the spring group to pass through are formed in the bending-preventing support (5), and a baffle ring (7) is arranged on the inner wall of each through hole (6) in a vertical direction in an extending mode.
2. The long travel multi-spring anti-backup actuator of claim 1, wherein: and a groove body (8) used for placing the bottom end of the left-handed spring (2) or the right-handed spring (3) is formed in the tray (4).
3. The long travel multi-spring anti-backup actuator of claim 2, wherein: the spring seat (9) is fixedly arranged at the center of the groove body (8), and the lower end of the left-handed spring (2) or the right-handed spring (3) is sleeved on the spring seat (9).
4. The long travel multi-spring anti-backup actuator of claim 1, wherein: prevent being provided with on curved support (5) outer lane and fix ring (11), set up on casing (1) inner wall with fixed ring (11) complex ring channel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307379.1U CN211371438U (en) | 2019-12-20 | 2019-12-20 | Long-stroke multi-spring bending-prevention executing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307379.1U CN211371438U (en) | 2019-12-20 | 2019-12-20 | Long-stroke multi-spring bending-prevention executing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371438U true CN211371438U (en) | 2020-08-28 |
Family
ID=72171283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922307379.1U Active CN211371438U (en) | 2019-12-20 | 2019-12-20 | Long-stroke multi-spring bending-prevention executing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371438U (en) |
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2019
- 2019-12-20 CN CN201922307379.1U patent/CN211371438U/en active Active
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