CN216478333U - Anti-drop bolt for electric actuator - Google Patents
Anti-drop bolt for electric actuator Download PDFInfo
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- CN216478333U CN216478333U CN202122522727.4U CN202122522727U CN216478333U CN 216478333 U CN216478333 U CN 216478333U CN 202122522727 U CN202122522727 U CN 202122522727U CN 216478333 U CN216478333 U CN 216478333U
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- bolt
- drop
- screw
- electric actuator
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Abstract
The utility model belongs to the technical field of anti-drop bolts, and particularly discloses an anti-drop bolt for an electric actuator, which comprises a bolt and a nut in threaded connection with the bolt, wherein the tail end of the bolt is fixedly connected with a shaft lever, the inner side of the shaft lever is provided with a screw hole, the shaft lever is fixedly connected with an anti-drop mechanism in a threaded connection manner through the screw hole, and screw heads at two ends of the anti-drop mechanism protrude out of the outer wall of the shaft lever; be equipped with the screw in the bottom of bolt, utilize the screw to set up first anticreep piece and the second anticreep piece that two cooperations were used, first anticreep piece can be dismantled with second anticreep piece and be connected, fix in the screw back, two spiral shell heads of first anticreep piece and second anticreep piece expose respectively in the outside of bolt, the protrusion bolt, and it is fixed through retaining member and locking groove cooperation between first anticreep piece and the second anticreep piece, it is difficult not hard up, can prevent that the nut from droing in the use, because the problem that the vibration drops easily when having solved the cooperation of bolt and nut.
Description
Technical Field
The utility model relates to the technical field of anti-drop bolts, in particular to an anti-drop bolt for an electric actuator.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener consisting of a head part and a screw (a cylinder with an external thread) needs to be matched with the nut and is used for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, and therefore the bolt connection belongs to detachable connection.
Electric actuator includes casing and lower casing, generally needs to fix casing and lower casing with the bolt when the equipment, because electric actuator receives inside drive equipment's influence can produce vibrations when the operation, vibrations lead to becoming flexible between screw rod and the nut easily, can lead to screw rod and nut to drop for a long time, has the potential safety hazard.
Accordingly, those skilled in the art have provided a falling off preventive bolt for an electric actuator to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-falling bolt for an electric actuator, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an anti-drop bolt for electric actuator, including the bolt and with the nut of bolt spiro union, the tail end fixedly connected with axostylus axostyle of bolt, the screw has been seted up to the inboard of axostylus axostyle, the axostylus axostyle is fixed with anti-drop mechanism through the screw spiro union, the spiral shell head protrusion at anti-drop mechanism both ends the axostylus axostyle outer wall.
Preferably, the anti-falling mechanism comprises a first anti-falling part and a second anti-falling part, and the first anti-falling part is detachably connected with the second anti-falling part.
Preferably, first anticreep piece include first spiral shell head and with first spiral shell head integrated into one piece's first screw rod, second anticreep piece include second spiral shell head and with second spiral shell head fixed connection's retaining member.
Preferably, a locking groove matched with the locking piece is formed in the inner side of one end, far away from the first screw head, of the first screw rod.
Preferably, the retaining member with connect through the cylindrical connecting rod of metal material between the second spiral shell head, the retaining member is silica gel material conical structure.
Preferably, first screw rod with the retaining member is the columnar screw rod, first screw rod with screw thread opposite direction on the retaining member, the tail end of retaining member set firmly with the columnar threaded rod that locking groove phase-match.
Preferably, rubber gaskets are fixedly bonded to the inner sides of the first screw head and the second screw head.
Compared with the prior art, the utility model has the beneficial effects that:
through being equipped with the screw in the bottom of bolt, utilize the screw to set up first anticreep piece and the second anticreep piece that two cooperations were used, first anticreep piece can be dismantled with second anticreep piece and be connected, fix in the screw back, two spiral shell heads of first anticreep piece and second anticreep piece expose respectively in the outside of bolt, the protrusion bolt, and it is fixed through retaining member and locking groove cooperation between first anticreep piece and the second anticreep piece, it is difficult not hard up, can prevent that the nut from droing in the use, because the problem that the vibration drops easily when having solved the cooperation of bolt and nut.
Drawings
Fig. 1 is a schematic structural view of a drop-preventing bolt for an electric actuator;
fig. 2 is a front view schematically illustrating a structure of an anti-drop bolt for an electric actuator;
FIG. 3 is a schematic view of an elevation view of a separation mechanism of a separation prevention mechanism in a separation prevention bolt for an electric actuator;
fig. 4 is a schematic front view showing a disassembled structure of another anti-falling mechanism in the anti-falling bolt for the electric actuator;
fig. 5 is a schematic bottom view of a drop-proof bolt for an electric actuator.
In the figure: 1. a bolt; 2. a shaft lever; 201. a screw hole; 3. a nut; 4. an anti-drop mechanism; 41. a first drop prevention member; 411. a first screw head; 412. a first screw; 413. a locking groove; 42. a second drop prevention member; 421. a second screw head; 422. a locking member; 43. a rubber gasket.
Detailed Description
Example 1
Referring to fig. 1 to 5, in an embodiment of the present invention, an anti-drop bolt for an electric actuator includes a bolt 1 and a nut 3 screwed with the bolt 1, a shaft rod 2 is fixedly connected to a tail end of the bolt 1, a screw hole 201 is formed on an inner side of the shaft rod 2, an anti-drop mechanism 4 is screwed and fixed on the shaft rod 2 through the screw hole 201, and screw heads at two ends of the anti-drop mechanism 4 protrude out of an outer wall of the shaft rod 2.
As shown in fig. 3, in a preferred embodiment, the anti-falling mechanism 4 includes a first anti-falling part 41 and a second anti-falling part 42, the first anti-falling part 41 is detachably connected to the second anti-falling part 42, the first anti-falling part 41 includes a first screw head 411 and a first screw 412 integrally formed with the first screw head 411, the second anti-falling part 42 includes a second screw head 421 and a locking member 422 fixedly connected to the second screw head 421, a locking groove 413 matching with the locking member 422 is formed in an inner side of an end of the first screw 412 far away from the first screw head 411, the locking member 422 is connected to the second screw head 421 through a cylindrical metal connecting rod, and the locking member 422 is a cone made of silica gel.
Further, when the bolt 1 is used for fixing the upper shell and the lower shell of the electric actuator, firstly, the bolt 1 penetrates through the thread circular hole formed by overlapping the upper shell and the lower shell from one side, then the nut 3 is sleeved on the bolt 1 from the other side, the nut 3 is screwed until the nut 3 is attached to the shell (an appropriate gasket can be selected according to fixing requirements and placed between the thread circular hole and the nut 3), finally, the first screw head 411 is pinched to penetrate the first screw 412 into the screw hole 201 on the inner side of the shaft rod 2, the first screw 412 is screwed along the thread direction to gradually screw the first screw 412 into the screw hole 201 until the first screw head 411 is attached to the outer wall of the shaft rod 2, and then, the second screw head 421 is pinched to insert the locking piece 422 into the locking groove 413 on the inner side of the first screw rod 412, so as to complete the fixed connection between the first anti-release piece 41 and the second anti-release piece 42. So, make two spiral shell heads protrusion axostylus axostyle 2's outer wall, realize that the anti-drop of nut 3 is fixed on bolt 1.
As shown in fig. 2 and 3, in order to stabilize the contact between the first and second anti-slip members 41 and 42 and the outer wall of the shaft, rubber gaskets 43 are bonded and fixed to the inner sides of the first and second screw heads 411 and 421.
The working principle of the embodiment is as follows: be equipped with the axostylus axostyle 2 that has smooth surface in the bottom of bolt 1, screw 201 has been seted up to the inboard of axostylus axostyle 2, after nut 3 is screwed on bolt 1, insert and rotatory screw in the screw 201 of axostylus axostyle 2 with first anticreep piece 41 in anti-drop mechanism 4 again, screw to rubber gasket 43 and axostylus axostyle 2 outer wall and contact the back, insert second anticreep piece 42 in the locking groove 413 of first screw rod 412 in first anticreep piece 41 at last, expose second spiral shell head 421 in the outside of axostylus axostyle 2, accomplish anti-drop mechanism 4's installation fixed, first spiral shell head 411 and second spiral shell head 421 protrusion axostylus axostyle 2's outer wall, can prevent that nut 3 from droing in the use, because the easy problem that drops of vibration when having solved bolt 1 and nut 3 cooperation.
Example 2
Referring to fig. 1 to 5, in an embodiment of the present invention, an anti-drop bolt for an electric actuator includes a bolt 1 and a nut 3 screwed with the bolt 1, a shaft rod 2 is fixedly connected to a tail end of the bolt 1, a screw hole 201 is formed on an inner side of the shaft rod 2, an anti-drop mechanism 4 is screwed and fixed on the shaft rod 2 through the screw hole 201, and screw heads at two ends of the anti-drop mechanism 4 protrude out of an outer wall of the shaft rod 2.
As shown in fig. 4, the anti-falling mechanism 4 includes a first anti-falling part 41 and a second anti-falling part 42, the first anti-falling part 41 is detachably connected to the second anti-falling part 42, the first anti-falling part 41 includes a first screw head 411 and a first screw 412 integrally formed with the first screw head 411, the second anti-falling part 42 includes a second screw head 421 and a locking member 422 fixedly connected to the second screw head 421, a locking groove 413 matching with the locking member 422 is provided on an inner side of an end of the first screw 412 far away from the first screw head 411, the first screw 412 and the locking member 422 are cylindrical screws, directions of threads on the first screw 412 and the locking member 422 are opposite, and a cylindrical threaded rod matching with the locking groove 413 is fixedly provided at a tail end of the locking member 422.
Further, when the bolt 1 is used for fixing the upper shell and the lower shell of the electric actuator, firstly, the bolt 1 penetrates through the overlapped threaded circular hole of the upper shell and the lower shell from one side, then the nut 3 is sleeved on the bolt 1 from the other side, the nut 3 is screwed until the nut 3 is attached to the shell (an appropriate gasket can be selected according to fixing requirements to be placed between the threaded circular hole and the nut 3), finally, the first screw head 411 is pinched to insert the first screw 412 into the screw hole 201 on the inner side of the shaft lever 2, the first screw 412 is screwed along the direction of the thread, the first screw 412 is gradually screwed into the screw hole 201 until the first screw head 411 is attached to the outer wall of the shaft lever 2, then, the second screw head 421 is pinched to insert the locking member 422 into the screw hole 201 on the inner side of the shaft lever 2, the locking member 422 is screwed along the direction of the thread, the locking member 422 is screwed into the screw hole 201 until the second screw head 421 is attached to the outer wall of the shaft lever 2, the fixed connection between the first and second release preventing members 41 and 42 is completed. So, make two spiral shell heads protrusion axostylus axostyle 2's outer wall, realize that the anti-drop of nut 3 is fixed on bolt 1.
As shown in fig. 4, in order to make the first anti-slip part 41 and the second anti-slip part 42 not easy to loose, the screw threads on the cylindrical screws of the first anti-slip part 41 and the second anti-slip part 42 are opposite, and the cylindrical threaded rod matched with the locking groove 413 is fixedly arranged at the tail end of the locking part 422 of the second anti-slip part 42, when the locking part 422 is screwed until the second screw head 421 is attached to the outer wall of the shaft rod 2, the cylindrical threaded rod fixedly arranged at the tail end of the locking part 422 is screwed into the locking groove 413 inside the first screw 412, so that the connection and fixation between the first anti-slip part 41 and the second anti-slip part 42 is more stable, and the anti-slip part is not easy to loose.
As shown in fig. 2 and 4, in order to stabilize the contact between the first and second anti-slip members 41 and 42 and the outer wall of the shaft 2, rubber gaskets 43 are bonded and fixed to the inner sides of the first and second screw heads 411 and 421.
The working principle of the embodiment is as follows: be equipped with the axostylus axostyle 2 that has smooth surface in the bottom of bolt 1, screw 201 has been seted up to the inboard of axostylus axostyle 2, after nut 3 is screwed on bolt 1, insert and rotatory inboard of screwing in axostylus axostyle 2 from the one end of screw 201 with first anticreep piece 41 in anti-drop mechanism 4 again, it contacts with axostylus axostyle 2 outer wall to screw to rubber gasket 43, insert and the inside of screw 201 of contrarotation screwing in from the other end of screw 201 with second anticreep piece 42 at last, until rubber gasket 43 contacts with axostylus axostyle 2 outer wall, accomplish anti-drop mechanism 4's installation fixed, after anti-drop mechanism 4 is fixed on axostylus axostyle 2, first spiral shell 411 and second spiral shell 421 in anti-drop mechanism 4 protrude the outer wall of axostylus axostyle 2, can prevent that nut 3 from droing in the use, the problem that easily drops because of vibration when bolt 1 and nut 3 cooperate has been solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an anti-drop bolt for electric actuator, including bolt (1) and with nut (3) of bolt (1) spiro union, its characterized in that, tail end fixedly connected with axostylus axostyle (2) of bolt (1), screw (201) have been seted up to the inboard of axostylus axostyle (2), axostylus axostyle (2) are fixed with anti-drop mechanism (4) through screw (201) spiro union, the spiral shell head protrusion at anti-drop mechanism (4) both ends axostylus axostyle (2) outer wall.
2. A drop-off preventive bolt for an electric actuator according to claim 1, wherein the drop-off preventive mechanism (4) comprises a first drop-off preventive piece (41) and a second drop-off preventive piece (42), the first drop-off preventive piece (41) being detachably connected to the second drop-off preventive piece (42).
3. A drop-preventing bolt for an electric actuator according to claim 2, wherein said first drop-preventing member (41) comprises a first screw head (411) and a first screw (412) integrally formed with said first screw head (411), and said second drop-preventing member (42) comprises a second screw head (421) and a locking member (422) fixedly connected with said second screw head (421).
4. The anti-drop bolt for the electric actuator according to claim 3, wherein a locking groove (413) matched with the locking piece (422) is formed on the inner side of one end of the first screw rod (412) far away from the first screw head (411).
5. The anti-drop bolt for the electric actuator according to claim 4, wherein the retaining member (422) is connected with the second screw head (421) through a cylindrical connecting rod made of metal, and the retaining member (422) is in a cone structure made of silica gel.
6. The anti-drop bolt for the electric actuator according to claim 4, wherein the first screw (412) and the locking member (422) are both cylindrical screws, the thread directions of the first screw (412) and the locking member (422) are opposite, and a cylindrical threaded rod matched with the locking groove (413) is fixedly arranged at the tail end of the locking member (422).
7. The drop-preventing bolt for the electric actuator according to claim 4, wherein a rubber gasket (43) is fixedly bonded to the inner sides of the first screw head (411) and the second screw head (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122522727.4U CN216478333U (en) | 2021-10-20 | 2021-10-20 | Anti-drop bolt for electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122522727.4U CN216478333U (en) | 2021-10-20 | 2021-10-20 | Anti-drop bolt for electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478333U true CN216478333U (en) | 2022-05-10 |
Family
ID=81441301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122522727.4U Active CN216478333U (en) | 2021-10-20 | 2021-10-20 | Anti-drop bolt for electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478333U (en) |
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2021
- 2021-10-20 CN CN202122522727.4U patent/CN216478333U/en active Active
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