CN220415945U - Locking and quick unlocking device - Google Patents
Locking and quick unlocking device Download PDFInfo
- Publication number
- CN220415945U CN220415945U CN202321930710.5U CN202321930710U CN220415945U CN 220415945 U CN220415945 U CN 220415945U CN 202321930710 U CN202321930710 U CN 202321930710U CN 220415945 U CN220415945 U CN 220415945U
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- locking
- mounting seat
- locking shaft
- hole
- connecting piece
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- 230000006978 adaptation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000004927 fusion Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a locking and quick unlocking device, which comprises: the mounting seat is provided with a blind hole arranged from bottom to top, and a round through hole communicated with the blind hole is formed in the front-rear direction; the connecting piece comprises a strip-shaped rectangular body which is adapted to the blind hole and a ring body which is used as a mooring ring, a chute which is communicated in the front-back direction is arranged on the strip-shaped rectangular body, the chute extends to the top end along the length direction of the strip-shaped rectangular body, a round hole is formed in the bottom end of the chute of the strip-shaped rectangular body, the round hole is in fusion communication with the chute, and the diameter of the round hole is larger than the width of the chute; the locking shaft penetrates through the mounting seat and the connecting piece, the locking shaft is provided with an oval part matched with the connecting piece, the long axis of the oval part is larger than the width of the sliding groove, and the short axis of the oval part is smaller than the width of the sliding groove, so that the oval part of the locking shaft can penetrate through the sliding groove to be locked in the round hole; a handle is arranged outside the mounting seat and fixedly connected with the locking shaft; torsion springs sleeved on the locking shafts; and the limiting block is arranged on the mounting seat and used for limiting the handle to rotate.
Description
Technical Field
The utility model belongs to the technical field of locking and unlocking, and particularly relates to a locking and quick unlocking device.
Background
In the aspect of quick locking of equipment or ropes, a plurality of structural forms exist, a mechanical hook is generally adopted, the hook is manually opened to lock goods or equipment, the manual opening of the hook is difficult, especially for heavy equipment, the mechanical hook can have the phenomenon that the hook cannot be manually opened, and has larger potential safety hazards, so that the mechanical hook is inconvenient to use, low in reliability and safety, poor in economical efficiency and easy to be limited by external conditions.
Disclosure of Invention
It is an object of the present utility model to provide a locking and quick unlocking device that solves or alleviates at least one of the problems of the background art.
The technical scheme of the utility model is as follows: a locking and quick unlocking device, the device comprising:
the mounting seat is provided with a blind hole from bottom to top, and a circular through hole communicated with the blind hole is formed in the mounting seat from the front surface to the back;
the connecting piece comprises a strip-shaped rectangular body which is adapted to a blind hole in the mounting seat and a ring body which is used as a mooring ring, wherein the strip-shaped rectangular body is provided with a chute which is communicated in the front-back direction, the chute extends along the length direction of the strip-shaped rectangular body and extends to the top end of the strip-shaped rectangular body, the bottom end of the chute of the strip-shaped rectangular body is provided with a round hole which is communicated in the front-back direction, the round hole is communicated with the chute in a fusion way, and the diameter of the round hole is larger than the width of the chute;
a locking shaft passing through the mounting base and the connecting piece, wherein the locking shaft has an elliptical portion of the fitting connecting piece, a major axis length of the elliptical portion being greater than a width of the chute, and a minor axis length of the elliptical portion being less than the width of the chute, such that the elliptical portion of the locking shaft can pass through the chute to lock in the circular hole;
a handle is arranged outside the mounting seat and fixedly connected with the locking shaft;
the torsion spring is sleeved on the locking shaft and is used for providing a rotating force of the handle in a counterclockwise or clockwise direction;
the limiting block is arranged on the mounting seat and used for limiting the rotation of the handle.
Further, the mounting seat is of a rectangular structure.
Further, the diameter of the round hole is equal to the diameter of the round through hole in the mounting seat.
Further, cylindrical portions are arranged on two sides of the elliptical portion of the locking shaft, and the diameter of the cylindrical portions is adapted to the diameter of the circular through hole of the mounting seat.
Further, the middle part of the handle is a disc body, a strip body is formed from the disc body to the left and right sides, and the middle part of the handle is fixedly connected with the locking shaft.
Further, the upper end of the rectangular strip-shaped body of the connecting piece is cut to form an inclined plane, and the direction of the inclined plane is opposite to the direction of the rotating force provided by the torsion spring.
The locking and quick unlocking device disclosed by the utility model has the advantages that the automatic locking effect after the connecting piece quickly enters the blind hole of the mounting seat is achieved by utilizing the combination of the inclined plane at the upper end of the connecting piece, the sliding groove, the round hole and the oval part of the locking shaft; the combined form of the handle, the torsion spring and the limiting block is adopted, so that the locking shaft always keeps a locking state under the action of the torsion spring, the reliable locking capability under the external vibration environment is ensured, and the use efficiency and the safety are improved.
The utility model integrates equipment locking into a simple device, reduces the cost, has firm locking, high reliability and convenient use, is not limited by external conditions, and realizes automatic locking and quick unlocking of equipment.
Drawings
In order to more clearly illustrate the technical solution provided by the present utility model, the following description will briefly refer to the accompanying drawings. It will be apparent that the figures described below are merely some embodiments of the utility model.
Fig. 1 is a schematic view of a locking and quick unlocking device according to the present utility model.
Fig. 2 is a schematic structural view of a connector according to the present utility model.
Figure 3 is a side view of the locking and quick release device of the present utility model.
Fig. 4 is a schematic view of the engagement of the elliptical portion of the locking shaft of the present utility model with the circular aperture of the connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model become more apparent, the technical solutions in the embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings in the embodiments of the present utility model.
In order to realize quick locking of equipment, the utility model provides a locking and quick unlocking device which is applicable to automatic locking and quick unlocking of ropes or equipment.
As shown in fig. 1 to 3, the locking and quick unlocking device provided by the present utility model includes: the device comprises a mounting seat 1, a connecting piece 2, a locking shaft 3, a limiting block 4 and a torsion spring 5.
The mounting base 1 is a load-bearing structure of the device, and in this embodiment of the utility model, the mounting base 1 is a rectangular structure. The upper surface of the mounting seat 1 is fixedly connected to the fixing surface 11, a blind hole is formed in the lower surface of the mounting seat 1 from bottom to top, and meanwhile, a circular through hole is formed in the rear of the front surface of the mounting seat 1 and communicated with the blind hole.
The connector 2 comprises an elongated rectangular body 21 with an upper part adapted to a blind hole in the mounting seat 1 and a torus 22 with a lower part serving as a mooring ring, through which torus 22 the rope 6 or other device can be connected to the connector 2. Wherein, be equipped with spout 23 that the fore-and-aft direction link up on rectangular form cuboid 21, spout 23 extends along the length direction of rectangular form cuboid 21 and extends to rectangular form cuboid 21's top, is equipped with round hole 24 that the fore-and-aft direction runs through at rectangular form cuboid 21's spout 23 bottom, and round hole 24 fuses the intercommunication with spout 23, and the diameter of round hole 24 is greater than the width of spout 23, simultaneously, the diameter of round hole 24 equals the diameter of circular through-hole in mount pad 1.
The locking shaft 3 passes through the mounting seat 1 and the connecting piece 2, wherein the section of the locking shaft 3 which is axially fitted to the connecting piece 2 is elliptical, the section which is axially fitted to the mounting seat 1 is circular, the diameter of the circular section in the locking shaft 3 is the same as the diameter of the circular hole 24 and the circular through hole in the mounting seat 1, the length of the long axis of the elliptical section in the locking shaft 3 is greater than the width of the sliding groove 23 in the connecting piece 2 and not greater than the diameter of the circular hole 24, and at the same time, the length of the short axis of the elliptical section in the locking shaft 3 is smaller than the width of the sliding groove 23 in the connecting piece 2, so that the elliptical section of the locking shaft 3 can pass through the sliding groove 23 to be locked in the circular hole 24.
The locking shaft 3 protrudes from the front surface of the mounting seat 1 by a certain length, a handle 31 is arranged on the protruding portion, the middle of the handle 31 is a disc body, the left part and the right part are strip bodies, and the middle of the handle 31 is fixedly connected with the front surface of the locking shaft 3.
The torsion spring 5 is sleeved on the locking shaft 3, the rear end of the torsion spring is contacted with the front surface of the mounting seat 1, the front end of the torsion spring is contacted with the rear surface of the handle 31, and the torsion spring 5 provides a counterclockwise or clockwise rotation force for the handle 31.
The limiting block 4 is fixed on the left side or the right side of the circular through hole on the front surface of the mounting seat 1 and used for limiting the handle 31. Wherein, when the torsion spring 5 provides the counterclockwise rotation force of the handle 31, the limiting block 4 is arranged at the left side of the circular through hole on the front surface of the mounting seat 1, and when the torsion spring 5 provides the clockwise rotation force of the handle 31, the limiting block 4 is arranged at the right side of the circular through hole on the front surface of the mounting seat 1, and the illustrated embodiment of the utility model is the case that the torsion spring 5 provides the counterclockwise rotation force of the handle 31, and the following description is taken as an example. In an embodiment of the present utility model, the limiting block 5 has a rectangular structure.
In the preferred embodiment of the present utility model, the upper end of the elongated rectangular body 21 of the connector 2 is formed with a slope 55 by cutting, the slope 25 being directed opposite to the direction of the rotational force, i.e., the slope 25 is directed to the right when the torsion spring 5 provides the counterclockwise rotational force of the handle 31, and the slope 25 is directed to the left when the torsion spring 5 provides the clockwise rotational force of the handle 31.
When the locking device is used, the strip-shaped rectangular body 21 at the upper end of the connecting piece 2 is inserted into the blind hole of the mounting seat 1, the inclined surface 25 of the connecting piece 2 pushes the oval part of the locking shaft 3 to rotate clockwise by 90 degrees, then the oval part of the locking shaft 3 moves along the chute 23 of the connecting piece 2 and enters the round hole 24 of the connecting piece 2, at the moment, the chute 23 of the connecting piece 2 does not restrict the oval part of the locking shaft 3 any more, under the action of the torsion spring 4, the locking shaft 3 rotates anticlockwise by 90 degrees, then the handle 31 is contacted with the limiting block 4, at the moment, the connecting piece 2 cannot move up and down due to the limitation of the locking shaft 3, and therefore the quick automatic locking effect is achieved;
when the locking is required to be released, after the handle 31 is rotated 90 degrees clockwise, the oval part of the locking shaft 3 enters the chute 23 of the connecting piece 2, and the connecting piece 2 is not limited to move up and down any more, so that the quick unlocking function of the connecting piece 2 from the blind hole of the mounting seat 1 is realized.
The locking and quick unlocking device disclosed by the utility model has the advantages that the automatic locking effect after the connecting piece quickly enters the blind hole of the mounting seat is achieved by utilizing the combination of the inclined plane at the upper end of the connecting piece, the sliding groove, the round hole and the oval part of the locking shaft; the combined form of the handle, the torsion spring and the limiting block is adopted, so that the locking shaft always keeps a locking state under the action of the torsion spring, the reliable locking capability under the external vibration environment is ensured, and the use efficiency and the safety are improved.
The utility model integrates equipment locking into a simple device, reduces the cost, has firm locking, high reliability and convenient use, is not limited by external conditions, and realizes automatic locking and quick unlocking of equipment.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. A locking and quick unlocking device, said device comprising:
the mounting seat (1) is provided with a blind hole from bottom to top, and the mounting seat (1) is provided with a circular through hole communicated with the blind hole from the front surface to the back;
the connecting piece (2), connecting piece (2) are including rectangular form cuboid (21) of adaptation blind hole in mount pad (1) and as ring body (22) that the tie down ring used, be equipped with spout (23) that the fore-and-aft direction link up on rectangular form cuboid (21), spout (23) extend along the length direction of rectangular form cuboid (21) and extend to the top of rectangular form cuboid (21), are equipped with round hole (24) that the fore-and-aft direction runs through in the spout (23) bottom of rectangular form cuboid (21), round hole (24) and spout (23) fuse the intercommunication, just the diameter of round hole (24) is greater than the width of spout (23);
a locking shaft (3), the locking shaft (3) passing through the mounting seat (1) and the connecting piece (2), wherein the locking shaft (3) has an oval part which is adapted to the connecting piece (2), the length of the major axis of the oval part is larger than the width of the sliding groove (23), and the length of the minor axis of the oval part is smaller than the width of the sliding groove (23), so that the oval part of the locking shaft (3) can pass through the sliding groove (23) to be locked in the round hole (24);
a handle (31) is arranged outside the mounting seat (1), and the handle (31) is fixedly connected with the locking shaft (3);
a torsion spring (5) sleeved on the locking shaft (3), wherein the torsion spring (5) is used for providing a counterclockwise or clockwise rotating force for the handle (31);
the limiting block (4) is arranged on the mounting seat (1), and the limiting block (4) is used for limiting the rotation of the handle (31).
2. Locking and quick unlocking device according to claim 1, characterized in that the mounting (1) is of rectangular construction.
3. Locking and quick unlocking device according to claim 1, characterized in that the diameter of the circular hole (24) is equal to the diameter of the circular through hole in the mounting seat (1).
4. A locking and quick unlocking device according to claim 1 or 3, characterized in that the elliptical portion of the locking shaft (3) is flanked by cylindrical portions, the diameter of which is adapted to the diameter of the circular through hole of the mounting seat (1).
5. The locking and quick unlocking device according to claim 1, wherein the middle part of the handle (31) is a disc body, a strip body is formed from the disc body to the left and right sides, and the middle part of the handle (31) is fixedly connected with the locking shaft (3).
6. A locking and quick unlocking device according to claim 1, characterized in that the upper end of the elongated rectangular body (21) of the connecting piece (2) is formed by cutting into a bevel (55), said bevel (25) pointing in the opposite direction to the rotational force provided by the torsion spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321930710.5U CN220415945U (en) | 2023-07-21 | 2023-07-21 | Locking and quick unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321930710.5U CN220415945U (en) | 2023-07-21 | 2023-07-21 | Locking and quick unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415945U true CN220415945U (en) | 2024-01-30 |
Family
ID=89647145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321930710.5U Active CN220415945U (en) | 2023-07-21 | 2023-07-21 | Locking and quick unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415945U (en) |
-
2023
- 2023-07-21 CN CN202321930710.5U patent/CN220415945U/en active Active
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| GR01 | Patent grant | ||
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