CN111114452B - Quick locking and positioning device based on ground rail connecting piece - Google Patents
Quick locking and positioning device based on ground rail connecting piece Download PDFInfo
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- CN111114452B CN111114452B CN201911370971.4A CN201911370971A CN111114452B CN 111114452 B CN111114452 B CN 111114452B CN 201911370971 A CN201911370971 A CN 201911370971A CN 111114452 B CN111114452 B CN 111114452B
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- locking
- ground rail
- connecting piece
- rotating shaft
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
Abstract
A quick locking and positioning device based on a ground rail connecting piece relates to a quick locking device convenient for equipment or structural components to be detached and installed, is used for realizing quick locking and positioning installation of electronic equipment on carrying platforms such as automobiles, trains, airplanes and the like and quick switching installation of multi-module equipment, and particularly relates to a quick locking and positioning and releasing quick locking and positioning device based on a ground rail connecting piece. The invention is composed of a ground rail connecting piece, an equipment fixing frame, a positioning locking bolt component, a state safety bayonet lock component and an unlocking torsion handle, wherein the middle bayonet lock of the state safety bayonet lock component is pressed downwards to unlock a central rotating shaft of the positioning locking bolt component, then the unlocking torsion handle is rotated clockwise, a locking bayonet lock base is lifted under the action of a sliding rail, the bottom surface of the locking bayonet lock base is higher than the top surface of the ground rail, and the middle bayonet lock is clamped on a groove-shaped notch at the lower layer of the central rotating shaft under the action of a compression spring after the locking bayonet lock base is in place, so that state locking is realized, unlocking is completed.
Description
Technical Field
The invention relates to a quick locking device convenient for dismounting and mounting equipment or structural components, which is used for realizing quick locking, positioning and mounting of electronic equipment on carrying platforms such as automobiles, trains, airplanes and the like and quick switching and mounting of multi-module equipment, in particular to a quick locking, positioning and releasing quick locking device based on a ground rail connecting piece.
Background
With the continuous development of electronic technology, the requirements of modern electronic system equipment on the generalization and standardization of equipment are continuously improved, and according to the human-computer efficacy and the specific use environment of the system equipment, equipment with the same or different functions are often required to be installed at different positions or different carrying platforms to form a new functional system for use, so that a system type locking and positioning device which is reliable in connection and quick to detach and install is required; at present ground rail connection structure is applied to the connection of airborne platform equipment or construction package more, has higher connection reliability, but its connection form is mostly bolt-up, greatly reduced equipment dismantlement, removal and recombination's conversion efficiency.
Disclosure of Invention
The technical problem solved by the invention is as follows: overcome prior art's not enough, provide a quick locking positioner based on ground rail connecting piece, utilize the unblock to turn round handle bottom cam rotary slide rail and drive location bolt subassembly and go up and down, can realize locking device's quick locking and pine and take off, utilize insurance bayonet lock subassembly to realize locking device's state location simultaneously, realize locking device's double-deck locking protection.
The technical solution of the invention is as follows: a quick locking and positioning device based on a ground rail connecting piece comprises the ground rail connecting piece, an equipment fixing frame, a positioning and locking bolt component, a state insurance bayonet lock component and an unlocking torsion handle;
the ground rail connecting piece is arranged in the ground rail sliding groove, is arranged on the back of the equipment fixing frame and is provided with a square connecting block;
the equipment fixing frame is arranged on the top surface of the ground rail installation and is fixedly connected with the ground rail connecting piece; the positioning locking bolt assembly penetrates through the central mounting hole to be connected with the ground rail connecting piece;
the positioning locking bolt assembly comprises a rotating shaft bolt, a locking pin base and a central rotating shaft; the bottom surface of the locking pin base is provided with a square groove with two open side surfaces, which are in clearance fit with the square connecting block on the back surface of the ground rail connecting piece, and the direction of the open side surface of the square groove is the direction of a ground rail track; the bottom surface of the square groove is provided with a central hole with a stepped structure, a rotating shaft bolt penetrates through the central hole from the bottom surface of the square groove to be connected with a lower end threaded hole of a central rotating shaft positioned on the top surface of the locking pin base, the height of a rotating shaft bolt nut is lower than the depth of a counter bore of the stepped central hole, so that the bottom surface of the square groove of the locking pin base does not protrude, and the rotating shaft bolt is in clearance fit with the central hole, so that the central rotating shaft;
the state insurance clamping pin assembly is positioned on the top surface of the equipment fixing frame and is in supporting connection with the top surface of the locking pin base through a supporting compression spring; the top end of the central rotating shaft penetrates through the central hole to be connected with the unlocking torsion handle;
the unlocking torsion handle is fixedly connected with the top surface of the central rotating shaft, the bottom surface of the unlocking torsion handle is provided with 1/4 circular cam sliding rails which are arranged in two diagonals and have the height of 3mm, and the unlocking torsion handle is connected with the top surface cam sliding rails in a matched mode.
Furthermore, the rotating shaft bolt is of a step-shaped structure, and the diameter of the upper end of the rotating shaft bolt is large, and the diameter of the lower end of the rotating shaft bolt is small; the lower extreme has the screw thread, links to each other with central pivot lower extreme screw hole, and upper end cylinder surface is smooth, and with centre bore clearance fit, the upper end cylinder height is greater than the through-hole degree of depth by 0.05 ~ 0.1 mm.
Furthermore, the bottom of the ground rail connecting piece is of a bilaterally symmetrical two-lug structure, the diameter of the two-lug structure is smaller than that of the ground rail mounting hole, the thickness of the two-lug structure is smaller than the depth of the ground rail sliding groove, and the center distance of the two-lug structure is the same as that of the adjacent mounting hole of the ground rail; the thickness of the square connecting block is smaller than the depth of the groove of the ground rail, so that the locking state is firm.
Further, a vibration-damping rubber pad is arranged on the bottom surface of the ground rail connecting piece, and the lower end face of the rubber pad is in contact with the bottom surface of the ground rail sliding groove.
Furthermore, the ground rail connecting piece is made of high-strength alloy steel, and the surface of the ground rail connecting piece is subjected to hardening and wear-resisting treatment.
Furthermore, the central mounting hole and the outer contour of the locking pin base are both polygonal structures and are in clearance fit with each other, so that the central mounting hole and the locking pin base cannot rotate relative to each other along a horizontal plane and can only move up and down along a central axis.
Furthermore, the state insurance bayonet lock component comprises a lower layer fixing plate, a middle bayonet lock and an upper layer fixing plate; the upper side semi-open type sliding chutes are symmetrically arranged between the lower layer fixed plate and the upper layer fixed plate; the middle clamping pin is placed in the sliding groove, and the upper end of the middle clamping pin extends out of the notch to be 6mm, so that the middle clamping pin can be conveniently pressed by a single hand.
Furthermore, the top surface of the upper fixing plate is provided with two semicircular rotary slide rails which are matched with the rotary slide rails on the bottom surface of the unlocking torsion handle, and each semicircular rotary slide rail is provided with 1/4 circles as inclined planes and 1/4 circles as planes; the two semicircular rotary slide rails are distributed in a left-right diagonal manner to form a cam slide rail lifting mechanism; a stop block is arranged at the top end of the left slide rail plane part of the top surface of the upper fixing plate, a trapezoidal connecting rib is arranged at the bottom of the handle of the unlocking torsion handle, and the stop block and the trapezoidal connecting rib are matched to realize rotary unlocking limit; the ground rail connecting piece is connected with the equipment fixing frame to form an equipment fixing base, and the plurality of fixing bases are matched to form a stable equipment support.
Furthermore, the sliding groove is of a cross structure, and the upper part of the middle part of the sliding groove is provided with a limiting sliding groove of which the transverse width dimension is larger than that of the sliding groove; trapezoidal limit stops are arranged on two sides of the middle bayonet lock and are in clearance fit with the limit sliding grooves, and the limit of longitudinal displacement of the middle bayonet lock is realized.
Furthermore, two groove-shaped notches are arranged on the side face of the central rotating shaft, the vertical distance between the two groove-shaped notches is 3mm, the horizontal included angle is 90 degrees, the middle bayonet lock is of a hollow clip-on structure, a square hole is arranged in the middle of the middle bayonet lock, and the groove-shaped notches are in clearance fit with the square hole in the middle; under the locking or loosening state, the middle bayonet lock is under the action of the supporting compression spring, the lower side of the middle square hole is embedded into the groove-shaped notch to limit the rotation of the central rotating shaft, and the locking or loosening state locking of the locking device is further realized; the tangential degree of depth of cell type breach is 1/3 of central pivot radius size, 1/3 that the horizontal distance is central pivot radius size apart from centre bore center on middle part square hole base, the vertical height dimension of cell type breach is greater than middle bayonet lock thickness, and the vertical clearance fit tolerance of cell type breach and middle bayonet lock is 0.05 ~ 0.1 mm.
Compared with the prior art, the invention has the advantages that:
1. the invention is composed of a ground rail connecting piece, an equipment fixing frame, a positioning locking bolt component, a state safety bayonet lock component and an unlocking torsion handle, wherein the middle bayonet lock of the state safety bayonet lock component is pressed downwards to unlock a central rotating shaft of the positioning locking bolt component, then the unlocking torsion handle is rotated clockwise, a locking bayonet lock base is lifted under the action of a sliding rail, the bottom surface of the locking bayonet lock base is higher than the top surface of the ground rail, and the middle bayonet lock is clamped on a groove-shaped notch at the lower layer of the central rotating shaft under the action of a compression spring after the locking bayonet lock base is in place, so that state locking is realized, unlocking is completed.
2. The invention has the independent state safety mechanism, and is more reliable in positioning and locking and more convenient to loosen and disassemble.
3. The invention can be divided into two independent structural components of an equipment hanging frame and a locking mechanism, wherein the equipment hanging frame consists of a ground rail connecting piece and an equipment fixing frame, the locking mechanism consists of a positioning locking bolt component, a state safety bolt component and an unlocking torsion handle, the two structural components can be independently installed and are directly connected through bolts, the integral combination and installation are convenient, and the later adjustment and maintenance of the locking mechanism are facilitated.
4. According to the invention, the locking pin base square groove of the locking state positioning locking bolt component is matched with the ground rail connecting piece square connecting block, so that the structural strength of the locking bolt mechanism is effectively improved, and the locking reliability of the quick locking positioning device based on the ground rail connecting piece is improved.
5. The rubber pad is arranged at the bottom of the ground rail connecting piece, so that the vibration fatigue damage caused by gaps in the vibration impact environment of the carrying platform is effectively reduced, and the stability of the locking state of the locking device is improved.
Drawings
FIG. 1 is an exploded view of a quick lock positioning device based on a ground rail coupler;
FIG. 2 is an exploded view of the positioning locking bolt assembly;
FIG. 3 is an exploded view of the stateful safety bayonet assembly;
FIG. 4 is a front view and a vertical cross-sectional view of a locking state of the quick lock positioning device based on the ground rail connecting piece, wherein FIG. 4a is a front view and FIG. 4b is a vertical cross-sectional view;
FIG. 5 is a front view and a vertical cross-sectional view of a quick lock positioning device based on a ground rail connector in a released state, wherein FIG. 5a is a front view and FIG. 5b is a vertical cross-sectional view;
fig. 6 is an isometric view of a quick lock positioner based on a ground rail coupler in a locked state with a ground rail.
Detailed Description
The invention is further explained and illustrated in the following figures and detailed description of the specification.
Referring to fig. 1, 2 and 3, a fast locking and positioning device based on a ground rail connector comprises a ground rail connector 1, an equipment fixing frame 2, a positioning locking bolt assembly 3, a state safety bayonet lock assembly 4 and an unlocking torsion handle 5, wherein the positioning locking bolt assembly 3 comprises a rotating shaft bolt 31, a locking pin base 32 and a central rotating shaft 33, the state safety bayonet lock assembly 4 comprises a lower fixing plate 41, a middle bayonet lock 42 and an upper fixing plate 43, the center of the state safety bayonet lock assembly 4 is provided with a through hole 4-1 matched with the central rotating shaft 33, the top surface of the upper fixing plate 43 and the bottom surface of the unlocking torsion handle 5 are provided with a lifting cam sliding rail 43-1 mechanism which is mutually matched, the ground rail connector 1 is connected with the back surface of the equipment fixing frame 2 through a bolt to form an equipment hanging frame, the central rotating shaft 33 of the positioning locking bolt assembly 3 is connected with the unlocking torsion handle 5 through the central through the through, the top surface of the positioning locking bolt component 3 and the bottom surface of the state insurance bayonet lock component 4 are supported by two symmetrical compression springs, the locking device realizes the lifting of the positioning locking bolt component 3 by rotating the unlocking torsion handle 5 based on the cam principle, and the quick locking and positioning of the locking device are realized by matching with the characteristics of a ground rail bolt positioning structure.
The locking pin base 32 is of a concave structure, square grooves 32-1 with two open side faces are formed in the bottom of the locking pin base, square connecting blocks 1-2 are arranged on the back of the ground rail connecting piece 1, the square connecting blocks 1-2 are in clearance fit in a locking state, the square connecting blocks 1-2 on the back of the ground rail connecting piece 1 are just embedded into the square grooves 32-1 in the bottom of the locking pin base, and the two square connecting blocks do not interfere with each other in vertical relative movement. The bottom of the square groove 32-1 on the bottom surface of the locking pin base 32 is provided with a through hole 32-2, a rotating shaft bolt penetrates through the through hole 32-2 to be connected with a threaded hole at the lower end of the central rotating shaft 33, and the rotating shaft bolt 31 is in clearance fit with the through hole 32-2 of the locking pin base 32 to ensure that the central rotating shaft 33 can freely rotate relative to the locking pin base 32.
The bottom of the square groove 32-1 on the bottom surface of the locking pin base 32 is provided with a through hole 32-2, a rotating shaft bolt penetrates through the through hole 32-2 to be connected with a threaded hole at the lower end of the central rotating shaft 33, and the rotating shaft bolt 31 is in clearance fit with the through hole 32-2 of the locking pin base 32 to ensure that the central rotating shaft 33 can freely rotate relative to the locking pin base 32.
The rotating shaft bolt 31 is of a step-shaped structure, the diameter of the upper end of the rotating shaft bolt is large, the diameter of the lower end of the rotating shaft bolt is small, the lower end of the rotating shaft bolt is provided with threads which are directly connected with a threaded hole at the lower end of the central rotating shaft 33, the surface of an upper end cylinder is smooth and is in clearance fit with a central through hole 32-2 of the locking pin base 32, the height of the upper end cylinder is slightly larger than the depth of the through hole 32-.
The central hole 32-2 of the locking pin base 32 is of a stepped structure and is matched with the head structure of the rotating shaft bolt 31, so that the head of the rotating shaft bolt 31 is ensured not to be protruded on the bottom surface of the square groove 32-1 of the locking pin base 32, the square connecting block 1-2 at the back of the ground rail connecting piece 1 is ensured to be completely embedded into the square groove 32-1 at the bottom of the locking pin base 32, the locking pin base 32 extends to the bottom surface of the ground rail mounting hole, and the locking device is ensured to be locked in place.
The bottom of the ground rail connecting piece 1 is of a bilateral symmetry two-lug structure 1-1, the diameter of each lug 1-1 is slightly smaller than the diameter of a standard ground rail mounting hole, the thickness of each lug 1-1 is slightly smaller than the depth of a ground rail sliding groove, the center distance is the same as the center distance of adjacent mounting holes of a ground rail, so that the ground rail connecting piece 1 can be easily inserted into the ground rail mounting hole and can freely move in the ground rail sliding groove along the central axis of the ground rail, the lugs are connected 1-2 through back square blocks, and the overall thickness of the connecting piece 1-2 is slightly smaller than the depth of the standard ground rail groove, so that the locking state is firm.
The vibration-damping rubber pads 1-3 are arranged on the bottom surface of the ground rail connecting piece 1, the rubber pads 1-3 have certain wear resistance, the lower end surfaces of the rubber pads 1-3 are directly contacted with the bottom surface of the ground rail sliding groove, the ground rail connecting piece is inserted into the ground rail mounting hole during mounting, the rubber pads 1-3 are extruded to move, position and lock in place along the ground rail sliding groove, vibration fatigue damage caused by gaps in a vibration impact environment of a carrying platform is effectively reduced, and the stability of the locking state of the locking device is improved.
Examples
The invention relates to a quick locking device for facilitating the disassembly and assembly of equipment or structural components, in particular to a quick positioning locking device based on a ground rail connecting piece for switching or adjusting the position of multiple carrying platforms, as shown in figure 6. As shown in fig. 1, which is an exploded view of the quick positioning and locking device based on a ground rail connector of the present invention, it can be seen that the quick positioning and locking device based on a ground rail connector of the present invention comprises a ground rail connector 1, an equipment fixing frame 2, a positioning and locking bolt assembly 3, a state-safe bayonet lock assembly 4 and an unlocking knob 5. According to the rapid positioning and locking device based on the ground rail connecting piece, the equipment fixing frame 2 is connected with the to-be-locked transferring equipment or structural component through the bolt, the to-be-locked transferring equipment or structural component is arranged on the front side of the equipment fixing frame 2, the ground rail connecting piece 1 is arranged on the back side of the equipment fixing frame 2, and the to-be-locked transferring equipment or structural component can be arranged in the ground rail with the standard platform position through the ground rail connecting piece 1.
The positioning locking bolt assembly 3 comprises a rotating shaft bolt 31, a locking pin base 32 and a central rotating shaft 33, wherein the rotating shaft bolt 31 passes through a central through hole 32-2 of the locking pin base 32 and is inserted into a threaded hole on the lower end face of the central rotating shaft 33 from the bottom surface of a square groove 32-1 of the locking pin base 32, the rotating shaft bolt 31 is in clearance fit with the locking pin base 32, and the central rotating shaft 33 can freely rotate relative to the locking pin base 32. The central through hole 32-2 of the locking pin base 32 is provided with a countersunk groove, after installation is completed, the head of the rotating shaft bolt 31 is completely embedded into the countersunk groove, the bottom surface of the square groove 32-1 of the locking pin base 32 is not protruded, the locking state of the rapid positioning and locking device based on the ground rail connecting piece is ensured, the positioning and locking bolt component 3 is inserted in place, and locking is reliable.
The state insurance bayonet lock component 4 comprises a lower layer fixing plate 41, a middle bayonet lock 42 and an upper layer fixing plate 43, wherein the top surface of the lower layer fixing plate 41 and the bottom surface of the upper layer fixing plate 43 are respectively provided with a sliding groove 41-1 corresponding to the shape of the middle bayonet lock 42, the upper end of the sliding groove is open, the left side and the right side of the sliding groove are respectively provided with a 2mm flange 41-5, the lower end of the sliding groove is closed and is provided with 3 horizontal compression spring mounting grooves 41-3 which are longitudinally and symmetrically distributed, the middle part of the sliding groove is provided with a limit sliding groove 41-2 close to the upper part, the distance size of the limit sliding groove corresponds to the movable distance of the left limit stop block 42-1 and the right limit stop block 42-1 of the middle bayonet lock 42, when the state insurance bayonet lock component is.
The central positions of the lower fixing plate 41 and the upper fixing plate 43 of the state insurance bayonet component 4 are both provided with a circular through hole 4-1, the diameter size of the circular through hole is slightly larger than the outer diameter size of the central rotating shaft 33, and the circular through hole and the outer diameter size are in clearance fit, so that the central rotating shaft 33 can freely rotate without interference. When the middle bayonet lock 42 is pressed to the lowest end along the central axis direction of the horizontal compression spring, the bottom surfaces of limit stops 42-1 on two sides of the middle bayonet lock 42 are contacted with the bottom edge of a limit sliding groove 41-2 for limiting, the center of a square hole 42-2 in the middle of the middle bayonet lock 42 is aligned with the center of a circular through hole 4-1, and the size of the square hole 42-2 in the middle of the middle bayonet lock 42 is larger than the outer diameter of the central rotating shaft 33, so that the central rotating shaft 33 can rotate freely when the middle bayonet lock 42 is pressed; when the middle bayonet pin 42 is in a free state, under the thrust action of a horizontal compression spring, the top surfaces of limit stops 42-1 on two sides of the middle bayonet pin 42 are in contact with the upper edge of a limit sliding groove 41-2 for limiting, a square hole 42-2 in the middle of the middle bayonet pin 42 is positioned above the central axis of a circular through hole 4-1, after a central rotating shaft 33 of a positioning and locking bolt assembly 3 is inserted and installed in place, the lower edge of the square hole 42-2 can be completely embedded into a groove-shaped notch 33-1 of the central rotating shaft 33, the central rotating shaft 33 cannot freely rotate and move up and down, and the state of a.
When the state insurance bayonet lock component 4 is in the locking state, the distance between the horizontal spring supporting surface at the bottom of the middle bayonet lock 42 and the bottom surface of the spring mounting groove 41-3 is smaller than the longitudinal dimension of the spring mounting groove 41-3, thereby ensuring that the middle bayonet lock 42 continuously receives upward thrust, namely, no matter the quick positioning and locking device based on the ground rail connecting piece is in the locking or disengaging state, the middle bayonet lock 42 can be embedded into the groove-shaped notch 33-1 of the central rotating shaft 33 of the positioning and locking bayonet lock component 3 under the action of the spring to limit the free rotation of the central rotating shaft 33, and the state locking is realized.
The limit stops 42-1 on the two sides of the middle bayonet pin 42 are in a trapezoidal structure, the part of the upper end close to the notch of the sliding groove is a plane, the lower end is an inclined plane, and the limit sliding groove 41-2 corresponds to the structure of the middle bayonet pin, so that the conversion efficiency of the locking device during locking or releasing is improved, and the probability of the occurrence of the blocking phenomenon caused by the torsion of the middle bayonet pin 42 along the horizontal plane is reduced.
The center of the top surface of the upper fixing plate 41 is provided with two semicircular rotary slide rails 43-1 which are matched with the rotary slide rails on the bottom surface of the unlocking twist handle 5, wherein the 1/4 circle is an inclined plane 43-1-1, the 1/4 circle is a plane 43-1-2, namely, one side of each single slide rail is an inclined plane, one side of each single slide rail is a vertical plane, the height of each rotary slide rail is 3-3.5 mm, the inclined planes 43-1-1 (lifting surfaces) of the slide rails are diagonally distributed along the central axis of a central through hole 4-1 of the state safety bayonet component 4, the rotary slide rails on the bottom surface of the unlocking twist handle 5 are the same in structure, namely, the slide rails of the unlocking twist handle 5 are in contact with the two vertical planes of the slide rails 43-1 of the upper fixing plate 43; when the device is in a release state (as shown in figure 5), the unlocking twist handle 5 slide rail rises along the slide rail inclined plane 43-1-1, the included angle of the two vertical planes is 90-95 degrees, and the height of the two slide rails is the sum of the heights of the two slide rails; the height difference between the locking state and the releasing state of the locking device is just equal to the height of the sliding rail 43-1 on the top surface of the upper fixing plate 41.
The top end (the vertical surface part of the slide rail) 43-1-2 of the left slide rail 43-1 on the top surface of the upper fixing plate 41 is provided with a stop block 43-2, the stop block 43-2 is positioned on the outer side of the slide rail 43-1, the top surface of the stop block is about 2mm higher than the plane of the slide rail, the bottom of a handle of the unlocking twist handle 5 is provided with a trapezoidal rib 5-3, the trapezoidal rib 5-3 is also positioned on the outer side of the slide rail, when the unlocking twist handle 5 is rotated clockwise to realize the unlocking of the positioning and locking device, the stop block 43-2 is contacted with the trapezoidal rib 5-3 to realize the unlocking rotation limit, and when the positioning and locking device is in the locking state, the slide rail of the unlocking twist handle 5 is contacted with two vertical surfaces of the slide rail of the upper fixing plate 41 to realize the locking rotation limit.
The section 33-3 of the upper end of the central rotating shaft 33 of the positioning and locking bolt component 3 is a polygonal structure, the lower end of the unlocking twist handle 5 is provided with a polygonal groove 5-4 which is the same as the polygonal groove, the polygonal groove and the polygonal groove are installed in a matched mode through bolts, the central rotating shaft 33 can rotate and rise along with the unlocking twist handle 5, the central rotating shaft 33 drives the locking pin base 32 of the positioning and locking bolt component 3 to move vertically, and therefore locking and loosening of the positioning and locking device are achieved.
As shown in fig. 4a, 4b, 5a and 5b, two compression springs symmetrically distributed along the central axis are arranged between the positioning and locking pin assembly 3 and the state insurance pin assembly 4, a circular groove 32-3 is arranged on the upper end face of the locking pin base 32 of the positioning and locking pin assembly 3, a T-shaped groove and a support column 41-3 are arranged on the bottom surface 43 of the lower fixing plate of the state insurance pin assembly 4, the two compression springs are mounted and limited vertically, the two compression springs are ensured to be in a vertical state at all times, and a vertical tension force is provided for the positioning and locking pin assembly 3.
Wherein the bottom of the ground rail connecting piece 1 is a bilateral symmetry two-lug structure 1-1, the diameter of the two lugs 1-1 is slightly smaller than the diameter of a standard ground rail mounting hole, the thickness of the two lugs 1-1 is slightly smaller than the depth of a ground rail sliding groove, the center distance is the same as the center distance of the adjacent mounting holes of the ground rail, thereby ensuring that the ground rail connecting piece 1 can be easily inserted into the ground rail mounting hole and can freely slide in the ground rail sliding groove along the central axis of the ground rail, the positioning locking bolt component 3 is positioned at the center position of the two lugs, the positioning locking bolt component 3 is positioned at an initial unlocking state, the locking bolt base 32 is positioned at a lifting position, the top surface of the locking bolt base 32 is higher than the back surface of the equipment fixing plate 2, the locking device can freely slide in the ground rail sliding groove along the central axis of the ground rail, when the equipment moves to a proper position, the locking bolt component 3 is released, the locking bolt, the locking device can not be separated from the ground rail, so that the locking device is positioned and locked.
Wherein, the two ears 1-1 of the ground rail connecting piece 1 are connected 1-2 through the back square block, the two can be welded and can also be integrally processed, the whole thickness of the connecting piece 1-2 is slightly smaller than the depth of the standard ground rail groove, thereby ensuring the firm locking state.
The ground rail connecting piece 1 is a main stressed structural piece in a locking state of the locking device, and is made of high-strength alloy steel, and meanwhile, when the locking device is positioned, locked or loosened and unlocked, the locking device needs to slide along the ground rail, so that the surface of the ground rail connecting piece can be subjected to hard wear-resistant treatment in order to improve the surface wear-resistant performance of the ground rail connecting piece.
When the quick positioning and locking device based on the ground rail connecting piece is positioned and locked with the ground rail through the ground rail connecting piece 1, the ground rail connecting piece 1 and the ground rail are in clearance fit, and in order to reduce vibration fatigue damage caused by clearances in a vibration impact environment of a carrying platform, rubber pads 1-3 can be arranged on the bottom of the ground rail connecting piece 1 and a friction surface of the ground rail so as to improve the stability of a locking state of the quick positioning and locking device.
Wherein the rubber pads 1-3 on the bottom surface of the ground rail connecting piece can be coated or adhered by adopting a metal surface.
Based on the cam principle, the lifting of the positioning locking bolt component 3 is realized by rotating the unlocking knob 5, and the quick locking and releasing of the quick positioning locking device based on the ground rail connecting piece are realized by combining the characteristics of the ground rail bolt positioning structure.
The invention is provided with a state safety bayonet lock component 4, and the mutual matching of the middle bayonet lock 42 and the two groove-shaped notches 33-1 of the central rotating shaft 33 can realize the multi-locking of the rotating angle of the central rotating shaft 33, further realize the locking of the rotating position of the unlocking twist grip 5, and further realize the quick locking and releasing state safety fixing of the quick positioning locking device based on the ground rail connecting piece.
According to the invention, the state safety unlocking is completed by pressing the middle bayonet pin 42 of the state safety bayonet pin component 4, and the unlocking knob 5 is rotated to realize the quick locking and releasing of the quick positioning and locking device based on the ground rail connecting piece, so that the operation is simple and convenient, the positioning and locking are reliable, and the time and the labor are saved.
The invention has the safety bayonet lock component 4 in an independent state, realizes double-layer locking protection, effectively avoids the phenomenon of self-unlocking and loosening in a vibration impact environment by only locking through a spring, and improves the locking reliability of the quick positioning locking device based on the ground rail connecting piece.
The state-safe bayonet lock component 4 can realize the fixation of a loosening and unlocking state and also provides convenience for the disassembly of equipment.
The above description is only one embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (8)
1. The utility model provides a quick locking positioner based on ground rail connecting piece which characterized in that: the device comprises a ground rail connecting piece (1), an equipment fixing frame (2), a positioning locking bolt component (3), a state insurance bayonet lock component (4) and an unlocking torsion handle (5);
the ground rail connecting piece (1) is arranged in a ground rail sliding groove, the ground rail connecting piece (1) is arranged on the back of the equipment fixing frame (2), and the back of the ground rail connecting piece is provided with a square connecting block (1-2);
the equipment fixing frame (2) is arranged on the top surface of the ground rail installation and is fixedly connected with the ground rail connecting piece (1); a central mounting hole (2-1) is formed, and the positioning locking bolt component (3) penetrates through the central mounting hole (2-1) to be connected with the ground rail connecting piece (1);
the positioning locking bolt assembly (3) comprises a rotating shaft bolt (31), a locking pin base (32) and a central rotating shaft (33); the bottom surface of the locking pin base (32) is provided with a square groove (32-1) which is in clearance fit with the square connecting block (1-2) on the back surface of the ground rail connecting piece (1) and has two open side surfaces, and the direction of the open side surface of the square groove (32-1) is the direction of a ground rail track; the bottom surface of the square groove (32-1) is provided with a central hole (32-2) with a ladder structure, a rotating shaft bolt penetrates through the central hole (32-2) from the bottom surface of the square groove (32-1) and is connected with a lower threaded hole of a central rotating shaft (33) positioned on the top surface of the locking pin base (32), the height of a nut of the rotating shaft bolt (31) is lower than the depth of a counter bore of the ladder central hole (32-2), so that the bottom surface of the square groove (32-1) of the locking pin base (32) is not protruded, and the rotating shaft bolt (31) is in clearance fit with the central hole (32-2), so that the central rotating shaft (33) can freely rotate relative;
the state insurance bayonet lock component (4) is positioned on the top surface of the equipment fixing frame (2) and is in supporting connection with the top surface of the locking pin base (32) through a supporting compression spring; the top end of the central rotating shaft (33) penetrates through the central hole (4-1) to be connected with the unlocking torsion handle (5);
the bottom surface of the unlocking twist handle (5) is fixedly connected with the top surface of the central rotating shaft (33), the section (33-3) of the upper end of the central rotating shaft (33) of the positioning and locking bolt component (3) is of a polygonal structure, the lower end of the unlocking twist handle (5) is provided with a polygonal groove (5-4) which is the same as the polygonal groove, the unlocking twist handle and the polygonal groove are installed in a matched mode through bolts, the central rotating shaft (33) can rotate and rise along with the unlocking twist handle (5), and the central rotating shaft (33) drives the locking bolt base (32) of the positioning and locking bolt component (3) to move vertically, so that locking and loosening of the positioning and locking device; the bottom surface of the unlocking twist handle (5) is provided with 1/4 circular cam sliding rails (43-1) which are arranged in two pairs of angles and have the height of 3mm, and the unlocking twist handle (5) is connected with the top cam sliding rails (43-1) in a matching way;
the state insurance bayonet lock component (4) comprises a lower layer fixing plate (41), a middle bayonet lock (42) and an upper layer fixing plate (43); sliding grooves (41-1) with semi-open upper sides are symmetrically arranged between the lower fixing plate (41) and the upper fixing plate (43); the middle clamping pin (42) is arranged in the sliding groove (41-1), and the upper end of the middle clamping pin extends out of the notch by 6mm, so that the middle clamping pin can be conveniently pressed by a single hand;
the top surface of the upper fixing plate (43) is provided with two semicircular rotary slide rails (43-1) which are matched with the rotary slide rails on the bottom surface of the unlocking twist handle (5), and each semicircular rotary slide rail (43-1) is internally provided with 1/4 circles which are inclined planes (43-1-1) and 1/4 circles which are planes (43-1-2); the two semicircular rotary slide rails (43-1) are distributed diagonally left and right to form a cam slide rail lifting mechanism; a stop block (43-2) is arranged at the top end of a left slide rail plane part (43-1-2) on the top surface of the upper fixing plate (43), a trapezoidal connecting rib (5-3) is arranged at the bottom of a handle (5-2) of the unlocking torsion handle (5), and the stop block and the trapezoidal connecting rib are matched to realize rotary unlocking and limiting; the ground rail connecting piece (1) is connected with the equipment fixing frame (2) to form an equipment fixing base, and the plurality of fixing bases are matched to form a stable equipment support.
2. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 1, wherein: the rotating shaft bolt (31) is of a step-shaped structure, and the diameter of the upper end of the rotating shaft bolt is large, and the diameter of the lower end of the rotating shaft bolt is small; the lower end of the upper cylindrical sleeve is provided with threads and is connected with a threaded hole at the lower end of the central rotating shaft (33), the surface of the upper cylindrical sleeve is smooth and is in clearance fit with the central hole (32-2), and the height of the upper cylindrical sleeve is 0.05-0.1 mm greater than the depth of the central hole (32-2).
3. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 1, wherein: the bottom of the ground rail connecting piece (1) is provided with two lug structures (1-1) which are bilaterally symmetrical, the diameter of each lug structure (1-1) is smaller than that of a ground rail mounting hole, the thickness of each lug structure (1-1) is smaller than the depth of a ground rail sliding groove, and the center distance between the lug structures (1-1) is the same as that between adjacent mounting holes of a ground rail; the thickness of the square connecting block (1-2) is smaller than the depth of the groove of the ground rail, so that the locking state is firm.
4. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 3, wherein: the bottom surface of the ground rail connecting piece (1) is provided with a vibration-damping rubber pad (1-3), and the lower end surface of the rubber pad (1-3) is in contact with the bottom surface of the ground rail sliding chute.
5. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 3, wherein: the ground rail connecting piece (1) is made of high-strength alloy steel, and the surface of the ground rail connecting piece is subjected to hard wear-resistant treatment.
6. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 1, wherein: the outer contours of the central mounting hole (2-1) and the locking pin base (32) are both polygonal structures and are in clearance fit with each other, so that the central mounting hole and the locking pin base cannot rotate relative to each other along a horizontal plane and can only move up and down along a central axis.
7. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 1, wherein: the sliding groove (41-1) is of a cross structure, and the upper part of the middle part is provided with a limiting sliding groove (41-2) with the transverse width dimension larger than that of the sliding groove (41-1); trapezoidal limit stops (42-1) are arranged on two sides of the middle bayonet lock (42), and the trapezoidal limit stops (42-1) are in clearance fit with the limit sliding grooves (41-2) to limit the longitudinal displacement of the middle bayonet lock (42).
8. The quick locking and positioning device based on the ground rail connecting piece as claimed in claim 1, wherein: the side face of the central rotating shaft (33) is provided with two groove-shaped notches (33-1, 33-2), the vertical distance between the two groove-shaped notches (33-1, 33-2) is 3mm, the horizontal included angle is 90 degrees, the middle bayonet lock (42) is of a hollow square-shaped structure, the middle part of the middle bayonet lock is provided with a square hole (42-2), and the groove-shaped notches (33-1, 33-2) are in clearance fit with the square hole (42-2) in the middle part; under the locking or loosening state, the middle bayonet lock (42) is under the action of a supporting compression spring, the lower side of a middle square hole (42-2) is embedded into the groove-shaped notches (33-1, 33-2) to limit the rotation of the central rotating shaft (33), and the locking or loosening state locking of the locking device is further realized; the tangential depth of the groove-shaped notches (33-1 and 33-2) is 1/3 of the radius of the central rotating shaft (33), the horizontal distance from the bottom edge of the middle square hole (42-2) to the center of the central hole (4-1) is 1/3 of the radius of the central rotating shaft (33), the vertical height of the groove-shaped notches (33-1 and 33-2) is larger than the thickness of the middle clamping pin (42), and the vertical clearance fit tolerance of the groove-shaped notches (33-1 and 33-2) and the middle clamping pin (42) is 0.05-0.1 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370971.4A CN111114452B (en) | 2019-12-26 | 2019-12-26 | Quick locking and positioning device based on ground rail connecting piece |
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| CN201911370971.4A CN111114452B (en) | 2019-12-26 | 2019-12-26 | Quick locking and positioning device based on ground rail connecting piece |
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| CN111114452A CN111114452A (en) | 2020-05-08 |
| CN111114452B true CN111114452B (en) | 2021-07-09 |
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| US11618521B2 (en) * | 2020-07-09 | 2023-04-04 | Zhejiang CFMOTO Power Co., Ltd. | Quick connect and disconnect latch mechanism for mounting accessories on offroad vehicles |
| CN112497258B (en) * | 2020-11-17 | 2022-11-08 | 武汉联影智融医疗科技有限公司 | Mechanical arm and joint quick-change interface thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2216105Y (en) * | 1995-05-09 | 1995-12-27 | 戴红妹 | Locking connection member |
| JP2000142250A (en) * | 1998-11-09 | 2000-05-23 | Kanto Auto Works Ltd | Glove box for automobile |
| CN206070282U (en) * | 2016-10-09 | 2017-04-05 | 广东赛斐迩物流科技有限公司 | A kind of automatic stereo storehouse adjustably flange of rail seat |
| CN209294252U (en) * | 2018-08-09 | 2019-08-23 | 苏州托克斯冲压设备有限公司 | Sliding rail locking structure and sliding rail locking structure match device |
| CN208896997U (en) * | 2018-08-29 | 2019-05-24 | 吴名军 | Back seat bracket |
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