CN116856809B - Hidden door lock rear frame of van-type refrigerator car - Google Patents
Hidden door lock rear frame of van-type refrigerator car Download PDFInfo
- Publication number
- CN116856809B CN116856809B CN202311126909.7A CN202311126909A CN116856809B CN 116856809 B CN116856809 B CN 116856809B CN 202311126909 A CN202311126909 A CN 202311126909A CN 116856809 B CN116856809 B CN 116856809B
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- Prior art keywords
- lock
- door
- connecting rod
- rod
- limiting block
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000011152 fibreglass Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000000513 rotator cuff Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/02—Locks for railway freight-cars, freight containers or the like; Locks for the cargo compartments of commercial lorries, trucks or vans
- E05B83/08—Locks for railway freight-cars, freight containers or the like; Locks for the cargo compartments of commercial lorries, trucks or vans with elongated bars for actuating the fastening means
- E05B83/10—Rotary bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
- B60J10/84—Sealing arrangements specially adapted for opening panels, e.g. doors arranged on the vehicle body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to the field of refrigeration and transportation equipment, in particular to a hidden door lock rear frame of a van-type refrigerator car. The technical problems to be solved by the invention are as follows: the use of the open lock results in an aesthetically unappealing appearance and inadequate security of the existing concealed door lock. The technical implementation scheme of the invention is as follows: the hidden door lock rear frame of the van-type refrigerator car comprises a left corner column, a glass fiber reinforced plastic pipe, a hidden door lock mechanism and the like, wherein the hidden door lock mechanism comprises an upper lock rod, a lower lock rod, a lock seat and the like, the upper lock rod and the lower lock rod are arranged in the glass fiber reinforced plastic pipe, the upper lock rod and the lower lock rod can rotate and slide in the glass fiber reinforced plastic pipe, one ends of the upper lock rod and the lower lock rod, which are close to a box lock, are provided with threads, the lock seat is arranged in a groove formed in the middle position of a threshold and a door lintel, and the lower surface of the box lock is fixedly connected with the surface in the groove formed in the left door. The hidden door lock mechanism can enable the appearance of the left door and the right door to be more attractive.
Description
Technical Field
The invention relates to the field of refrigeration and transportation equipment, in particular to a hidden door lock rear frame of a van-type refrigerator car.
Background
At present, the rear doors of domestic refrigerated trucks are basically open locks, and the hidden lock bars are rarely arranged, and almost all the hidden box locks with phi 16 are used, so that the safety performance cannot be ensured; overseas markets are more prone to the use of concealed locking bars than domestic markets; the rear door structure of the embedded box lock is specially developed for developing overseas markets and improving the competitiveness of domestic market products.
Disclosure of Invention
In order to overcome the defect that the prior hidden door lock is not attractive in appearance and insufficient in safety caused by the use of an open lock, the technical problem of the invention is that: a hidden door lock back frame of a van-type refrigerator car is provided.
The technical implementation scheme of the invention is as follows: the utility model provides a hidden lock back frame of van-type refrigerator car, including left corner post, right corner post, the threshold, the lintel, the left door, the right door, glass steel tube and hidden lock mechanism, the both ends fixed connection of lintel is in the upper end of left corner post and right corner post, the both ends fixed connection of threshold is in the lower extreme of left corner post and right corner post, the inside of left door and right door all is equipped with the through-hole, one side of left corner post and the one end of left door rotate to be connected, the other end of left door offsets with the one end of right door, the other end of right door is connected with one side rotation of right corner post, glass steel tube is provided with two to fixed connection is in the through-hole that sets up on left door and right door, the left lower position of left door and right door all is equipped with the recess, and all be equipped with hidden lock mechanism in the recess, go up locking lever and lower locking lever setting in the box lock, and go up locking lever and lower locking lever setting up in the glass steel tube, and go up locking lever and lower locking lever setting up and can rotate and slide in glass steel tube, the lower surface fixed connection of box lock is equipped with the recess and the lower door of left door and lower position of door, all be equipped with the recess that is close to the door, the position is equipped with the centre.
More preferably, the door sill and the door lintel are both of C-shaped structural design, the lower surfaces of the inner walls of the door lintel and the door sill are designed to be inclined planes, and the diameters of the upper lock rod and the lower lock rod are thickened on the basis of the prior art.
More preferably, the door sill and the door lintel are also provided with anti-collision blocks for preventing the lock seat from being broken, the side surfaces of the anti-collision blocks are fixedly connected to through holes arranged on the door sill and the door lintel, and the upper lock rod and the lower lock rod are in sliding connection in the anti-collision blocks.
More preferably, the locking mechanism is further arranged at one end, provided with threads, of the upper lock rod and the lower lock rod, and comprises a rotary sleeve and a handle, two ends of the rotary sleeve are respectively in threaded connection with one end, provided with threads, of the upper lock rod and the lower lock rod, and one end of the handle is fixedly connected to the middle position of the left outer surface of the rotary sleeve.
More preferably, the end of the upper lock rod and the end of the lower lock rod, which are far away from the screw thread, are respectively provided with a jacking device, the jacking devices comprise a convex block, a first lock piece and a second lock piece, the side surfaces of the first lock piece and the second lock piece are fixedly connected in grooves formed in the doorsill and the door lintel, one end of the convex block is fixedly connected with the end of the upper lock rod, which is far away from the screw thread, the side surfaces of the convex block are rotationally connected in the groove formed by the first lock piece and the second lock piece, and the upper surface of the convex block is propped against the lower surface of the anti-collision block.
More preferably, the upper lock rod and the lower lock rod are fixedly connected with a first limiting block at the end close to the end provided with the screw thread, and the outer side of the first limiting block is propped against the surface of a groove arranged at the end of the glass reinforced plastic tube close to the box lock.
More preferably, still be equipped with chucking mechanism between box lock and the swivel case, chucking mechanism is including first rotating member, second rotating member, rotating barrier, second limiting block, third limiting block and extension spring, the inside of box lock is equipped with the recess, recess swivelling joint has first rotating member, second rotating member and rotating barrier, the top of second rotating member offsets with the bottom of first rotating member, the bottom of second rotating member passes rotating barrier, sliding connection has the second limiting block in the inside recess of box lock, be equipped with the extension spring between box lock and the second limiting block.
More preferably, the handle is further provided with a rebound device, the rebound device comprises a rebound baffle, a connecting rod, a third sliding plate and a fourth spring, one end of the fourth spring is fixedly connected with the surface of a groove formed in the left door, the other end of the fourth spring is fixedly connected with the third sliding plate, one end of the third sliding plate is slidably connected in the groove formed in the box lock, one end of the connecting rod is fixedly connected with the upper surface of the third sliding plate, the other end of the connecting rod abuts against the lower end face of the rebound baffle, and the side face of the rebound baffle is fixedly connected with the handle.
More preferably, the third limiting block is further provided with an anti-dislocation device, the anti-dislocation device comprises a first sliding plate, a second spring, a first connecting rod, a second connecting rod, a third connecting rod, a second sliding plate and a rotating shaft, the third limiting block is provided with a groove, the first sliding plate is connected in the groove in a sliding mode, the second spring is arranged between the first sliding plate and the third limiting block, one side of the first connecting rod is hinged to the side face, close to one end of the second spring, of the first sliding plate through a rotating seat, the other end of the first connecting rod is provided with the second connecting rod, two ends of the second connecting rod are provided with grooves, the first connecting rod is connected in the groove at one end of the second connecting rod in a sliding mode, the third connecting rod is connected in the groove at the other end of the second connecting rod in a sliding mode, two ends of the rotating shaft are fixedly connected in the groove at the third limiting block, one end, far away from the rotating shaft, of the third connecting rod is hinged to the side face at one end of the second sliding plate through the rotating seat, and the second sliding connection is in the groove at the third limiting block.
More preferably, the box lock is further provided with a locking device, the locking device comprises a clamping block and a first spring, the clamping block is connected in a sliding manner in a groove on the box lock, the inner wall of the clamping block abuts against the bottom end surface of the first rotating piece, and the first spring is arranged between the clamping block and the box lock.
Compared with the prior art, the invention has the following advantages:
1. in order to ensure that the whole appearance of the rear door frame is better, and complete commercial advertisements can be posted, most of open locks used for the rear door in the market are designed in grooves formed in the door, lock rods are designed in the door to be hidden, and the door is opened and closed by rotating handles.
2. In order to enable the door lock to be safer, the diameter of the lock rod is thickened while the lock rod is arranged in the door, the box lock is designed, the handle is limited, and unnecessary loss caused by the fact that the rear door is opened due to road jolt in the transportation process is prevented.
3. In order to prevent the water leakage of the rear door, the door sill and the door lintel are designed to be of a C-shaped structure, the door lintel and the door sill are designed to be inclined planes at specific positions, the inclined planes can prevent the water leakage of grooves on the door sill and the door lintel, and the door sill and the door lintel can be matched with butyl sealing rubber strips during installation, so that the water leakage is better prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the overall structure of the present invention.
Fig. 3 is an enlarged view of a portion of fig. 2 a in accordance with the present invention.
Fig. 4 is a partial enlarged view of the present invention at B in fig. 2.
Fig. 5 is a schematic view of the internal structure of the box lock of the present invention.
Fig. 6 is an exploded view of the interior of the box lock of the present invention.
Fig. 7 is an enlarged view of a portion of fig. 5C in accordance with the present invention.
Fig. 8 is a schematic view of the mounting position of the box lock of the present invention.
Fig. 9 is a cross-sectional view of a third limiting block of the present invention.
Fig. 10 is a partial enlarged view of the present invention at D in fig. 9.
Fig. 11 is an enlarged view of a portion of fig. 8 at E in accordance with the present invention.
Fig. 12 is an enlarged view of a portion of fig. 8 at F in accordance with the present invention.
Wherein the above figures include the following reference numerals: 101. left corner post, 102, right corner post, 103, threshold, 104, lintel, 105, left door, 106, right door, 107, glass fiber reinforced plastic, 108, upper lock lever, 109, lower lock lever, 110, lock base, 111, box lock, 201, swivel case, 202, handle, 301, first limiting block, 401, first swivel, 402, second swivel, 403, swivel stop, 404, second limiting block, 405, third limiting block, 406, tension spring, 407, fixture block, 408, first spring, 501, first slide, 502, second spring, 503, first link, 504, second link, 505, third link, 506, second slide, 507, swivel shaft, 601, rebound stop, 602, connecting link, 603, third slide, 604, fourth spring, 701, anti-collision block, 702, bump, 703, first lock, 704, second lock.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The hidden door lock rear frame of the van-type refrigerator car is shown in fig. 1-4 and comprises a left corner column 101, a right corner column 102, a threshold 103, a door lintel 104, a left door 105, a right door 106, a glass fiber reinforced plastic pipe 107 and a hidden door lock mechanism, wherein two ends of the door lintel 104 are fixedly connected to the upper ends of the left corner column 101 and the right corner column 102, two ends of the threshold 103 are fixedly connected to the lower ends of the left corner column 101 and the right corner column 102, through holes are formed in the left door 105 and the right door 106, one side of the left corner column 101 is rotatably connected with one end of the left door 105, the other end of the left door 105 is abutted against one end of the right door 106, the other end of the right door 106 is rotatably connected with one side of the right corner column 102, two glass fiber reinforced plastic pipes 107 are arranged in the through holes formed in the left door 105 and the right door 106, grooves are formed in the lower right position of the left door 105 and the lower left position of the right door 106, hidden door lock mechanism is formed in the grooves, the hidden door lock mechanism comprises an upper lock rod 108, a lower lock rod 110 and a box 111, a lock seat 110 and a box 111 are rotatably connected to the lower lock seat 111, the upper lock rod 109 and the lower end 109 are rotatably connected to the lower end of the left door 105 and the left door 106, the lower end of the left door 106 is rotatably connected to the left door 106, the lower end is rotatably connected to the lower end of the left door 106, and the lower end of the left door 106 is rotatably connected to the lower end of the left door 106, and the lower end 107 is rotatably connected to the lower end and the lower end of the left door 105 is rotatably provided with the upper lock handle.
The threshold 103 and the door lintel 104 are both of C-shaped structural design, the lower surfaces of the inner walls of the door lintel 104 and the threshold 103 are designed into inclined planes, the inclined planes can prevent the grooves on the threshold 103 and the door lintel 104 from leaking, the butyl sealing rubber strip is matched during installation, the occurrence of water leakage is better prevented, the diameters of the upper lock rod 108 and the lower lock rod 109 are thickened on the basis of the prior art, and the safety of the hidden door lock is further enhanced.
The door sill 103 and the door lintel 104 are also provided with an anti-collision block 701 for preventing the lock seat 110 from being crashed, the side surfaces of the anti-collision block 701 are fixedly connected to through holes arranged on the door sill 103 and the door lintel 104, the anti-collision block 701 is arranged on the door sill 103 and the door lintel 104, and the anti-collision block 701 is symmetrical with the position where the left door 105 and the right door 106 are abutted against each other as a center, and the upper lock rod 108 and the lower lock rod 109 are in sliding connection in the anti-collision block 701; the locking mechanism is further arranged at one end, provided with threads, of the upper lock rod 108 and the lower lock rod 109, and comprises a rotating sleeve 201 and a handle 202, two ends of the rotating sleeve 201 are respectively in threaded connection with one end, provided with threads, of the upper lock rod 108 and the lower lock rod 109, one end of the handle 202 is fixedly connected to the middle position of the left outer surface of the rotating sleeve 201, and the handle 202 can facilitate a worker to lock the left door 105 and the right door 106 by using the locking mechanism; the one end that goes up locking lever 108 and lower locking lever 109 and keep away from the screw thread all is equipped with the device that pushes away, the device that pushes away is including lug 702, first latch 703 and second latch 704, the side fixed connection of first latch 703 and second latch 704 is in the recess that sets up on threshold 103 and lintel 104, the one end fixed connection of lug 702 is in the one end that the screw thread was kept away from at last locking lever 108, the side rotation of lug 702 is connected in the recess that first latch 703 and second latch 704 constitute, the upper surface of lug 702 offsets with the lower surface of anti-collision block 701, the design of lug 702 can assist the staff to open the door when opening the door, prevent to lead to the door to be unopened because of the internal pressure reason of door, it is time consuming and laborious.
The handle 202 is rotated clockwise, the rotation of the handle 202 drives the rotating sleeve 201 to rotate clockwise, the rotation of the rotating sleeve 201 drives the upper lock rod 108 and the lower lock rod 109 to slide in the glass reinforced plastic pipe 107 in a direction away from the handle 202, until the rotating sleeve 201 rotates to the end of threads arranged on the upper lock rod 108 and the lower lock rod 109, the handle 202 is continuously rotated clockwise, the rotation of the handle 202 drives the rotating sleeve 201 to rotate clockwise, the rotation of the rotating sleeve 201 drives the upper lock rod 108 and the lower lock rod 109 to rotate clockwise in the glass reinforced plastic pipe 107, and the rotation of the upper lock rod 108 and the lower lock rod 109 drives the protruding blocks 702 to rotate clockwise in grooves formed by the first lock piece 703 and the second lock piece 704, so that the left door 105 and the right door 106 are closed; the handle 202 is rotated anticlockwise, the rotation of the handle 202 drives the rotating sleeve 201 to rotate anticlockwise, the rotation of the rotating sleeve 201 drives the upper lock rod 108 and the lower lock rod 109 to slide in the direction of approaching the handle 202 in the glass reinforced plastic pipe 107, when the rotating sleeve 201 rotates to the end of threads arranged on the upper lock rod 108 and the lower lock rod 109, the handle 202 continues to rotate anticlockwise, the rotation of the handle 202 drives the rotating sleeve 201 to rotate anticlockwise, the rotation of the rotating sleeve 201 drives the upper lock rod 108 and the lower lock rod 109 to rotate anticlockwise in the glass reinforced plastic pipe 107, the anticlockwise rotation of the upper lock rod 108 and the lower lock rod 109 drives the lug 702 to rotate anticlockwise in grooves formed by the first lock piece 703 and the second lock piece 704, and accordingly a gap is jacked between the left door 105, the right door 106, the door lintel 104 and the door 103, and people can conveniently open the left door 105 and the right door 106.
Example 2
On the basis of embodiment 1, as shown in fig. 4, the upper lock bar 108 and the lower lock bar 109 are fixedly connected with a first limiting block 301 at the end close to the end provided with the screw thread, the outer side of the first limiting block 301 is propped against the surface of the groove arranged at the end of the glass reinforced plastic tube 107 close to the box lock 111, the first limiting block 301 is symmetrically arranged at the end provided with the screw thread of the upper lock bar 108, and the first limiting block 301 is symmetrically arranged at the end provided with the screw thread of the lower lock bar 109, so that the upper lock bar 108 and the lower lock bar 109 are better limited.
The sliding of the upper lock rod 108 and the lower lock rod 109 drives the first limiting block 301 to slide in the glass reinforced plastic pipe 107, the upper lock rod 108 and the lower lock rod 109 rotate to drive the first limiting block 301 to rotate in the glass reinforced plastic pipe 107, and the sliding and the rotation of the upper lock rod 108 and the lower lock rod 109 in the glass reinforced plastic pipe 107 are limited by the arrangement of the first limiting block 301, so that the hidden door lock can well lock the left door 105 and the right door 106.
Example 3
On the basis of embodiment 2, as shown in fig. 4-12, a clamping mechanism is further provided between the box lock 111 and the rotator cuff 201, the clamping mechanism includes a first rotator 401, a second rotator 402, a rotating baffle 403, a second limiting block 404, a third limiting block 405 and a tension spring 406, the clamping mechanism is symmetrical with the position of the left door 105 and the right door 106 abutted against each other as a center, a groove is provided in the interior of the box lock 111, the first rotator 401, the second rotator 402 and the rotating baffle 403 are rotatably connected in the groove, the top end of the second rotator 402 abuts against the bottom end of the first rotator 401, the bottom end of the first rotator 401 is provided with a semicircular protrusion, the top end of the second rotator 402 is provided with a quarter-circular protrusion, the positions of the first rotator 401 and the second rotator 402 abutted against each other are staggered, the bottom end of the second rotator baffle 403 passes through the rotating baffle 403, the groove in the interior of the box lock 111 is slidably connected with the second limiting block 404, the other end of the tension spring 406 is fixedly connected in the groove, and the other end of the tension spring 406 is fixedly connected to the position of the second rotator baffle 403 abutted against the center of the rotating baffle 403, and the rotating baffle 403 is not rotated by a distance from the side of the rotating baffle 403 to the rotating center of the rotating baffle 403, and the rotating baffle 403 is located at the side of the second rotator baffle is not opposite to the rotating baffle.
The handle 202 is further provided with a rebound device, the rebound device comprises a rebound baffle 601, a connecting rod 602, a third sliding plate 603 and a fourth spring 604, one end of the fourth spring 604 is fixedly connected with the surface of a groove formed in the left door 105, the other end of the fourth spring 604 is fixedly connected with the third sliding plate 603, one end of the third sliding plate 603 is slidably connected in the groove formed in the box lock 111, one end of the connecting rod 602 is fixedly connected to the upper surface of the third sliding plate 603, the other end of the connecting rod 602 abuts against the lower end face of the rebound baffle 601, the side face of the rebound baffle 601 is fixedly connected to the handle 202, and the arrangement of the rebound device can assist workers to grasp the handle 202.
The third limiting block 405 is further provided with an anti-dislocation device, the anti-dislocation device comprises a first sliding plate 501, a second spring 502, a first connecting rod 503, a second connecting rod 504, a third connecting rod 505, a second sliding plate 506 and a rotating shaft 507, the third limiting block 405 is provided with a groove, the first sliding plate 501 is connected in the groove in a sliding mode, the second spring 502 is fixedly connected in the groove on the third limiting block 405, the other end of the second spring 502 is fixedly connected to one end of the first sliding plate 501, one side of the first connecting rod 503 is hinged to the side face of the first sliding plate 501, which is close to one end of the second spring 502, through a rotating seat, the other end of the first connecting rod 503 is provided with a second connecting rod 504, two ends of the second connecting rod 504 are provided with grooves, the first connecting rod 503 is connected in a sliding mode in the groove at one end of the second connecting rod 504, the other end of the second connecting rod 504 is connected with the third connecting rod 505 in a sliding mode, the middle position of the second connecting rod 504 is connected with the rotating shaft 507 in a groove formed in the third limiting block 405 in a rotating mode, one end of the third connecting rod 505 is connected to one end of the third limiting block, one end of the third connecting rod 505, and one end of the third connecting rod 505, which is far away from the rotating shaft 506 is connected to the second connecting rod 506 in the groove through the second sliding seat, which is hinged to the second limiting block 506.
When the door is closed, the handle 202 is pressed into a groove formed in the left door 105, the outer surface of the handle 202 is abutted against the inner surface of the groove formed in the left door 105, the first rotating member 401 is rotated anticlockwise, the rotation of the first rotating member 401 drives the second rotating member 402 to rotate anticlockwise, the rotation of the second rotating member 402 drives the rotating baffle 403 to rotate anticlockwise, the anticlockwise rotation of the rotating baffle 403 makes one end side surface of the rotating baffle 403 abutted against the side surface of the second limiting block 404, the anticlockwise rotation of the rotating baffle 403 makes the second limiting block 404 slide in the groove formed in the box lock 111, the sliding of the second limiting block 404 drives the stretching of the tension spring 406, the sliding of the second limiting block 404 makes the inclined surfaces of the second limiting block 404 and the third limiting block 405 gradually abutted against each other, thereby clamping the locking mechanism, the inclined surfaces of the second limiting block 404 and the third limiting block 405 gradually abutted against each other to make the first sliding plate 501 slide in the groove formed in the third limiting block 405, the sliding of the first sliding plate 501 compresses the second spring 502, the sliding of the first sliding plate 501 drives the first connecting rod 503 to slide in the groove arranged on the second connecting rod 504, the sliding of the first sliding plate 501 can simultaneously drive the second connecting rod 504 to rotate clockwise around the rotating shaft 507, the rotation of the second connecting rod 504 enables the third connecting rod 505 to rotate clockwise around the rotating shaft 507 and slide in the groove arranged on the second connecting rod 504, the rotation of the third connecting rod 505 can simultaneously drive the second sliding plate 506 to slide in the groove arranged on the third limiting block 405, the sliding of the second sliding plate 506 enables the second sliding plate 506 to be away from one end surface of the third limiting block 405 and the inner surface of the groove arranged on the second limiting block 404 to abut, the dislocation of the second limiting block 404 and the third limiting block 405 is prevented, the locking mechanism cannot be clamped, the lower surface of the rotating baffle 403 and the upper surface of the third sliding plate 603 can be propped against each other at the same time when the rotating baffle 403 rotates anticlockwise, the action of the rebound mechanism is limited, when the door is opened, the handle 202 is pressed to prevent accidental injury in the rebound process of the handle 202 by the rebound mechanism, the first rotating member 401 is rotated clockwise, the second rotating member 402 is driven by the rotation of the first rotating member 401 to rotate clockwise, the rotating baffle 403 is driven by the rotation of the second rotating member 402 to rotate clockwise, one end side surface of the rotating baffle 403 is separated from the side surface of the second limiting block 404 by the clockwise rotation of the rotating baffle 403, the second limiting block 404 slides in a groove arranged on the box lock 111 by the contraction of the tension spring 406, the inclined surfaces of the second limiting block 404 and the third limiting block 405 are gradually separated by the sliding of the second limiting block 404, so that the locking mechanism is loosened, the handle 202 can rotate, the limitation of the locking mechanism is canceled, the left door 105 and the right door 106 can be opened, the inclined surfaces of the second limiting block 404 and the third limiting block 405 are gradually separated, the second spring 502 rebounds to enable the first sliding plate 501 to slide in the groove arranged on the third limiting block 405, the sliding of the first sliding plate 501 drives the first connecting rod 503 to slide in the groove arranged on the second connecting rod 504, the rotation of the first sliding plate 501 can simultaneously drive the second connecting rod 504 to rotate anticlockwise around the rotation shaft 507, the rotation of the second connecting rod 504 drives the third connecting rod 505 to slide in the groove arranged on the second connecting rod 504, the rotation of the second connecting rod 504 can simultaneously drive the second sliding plate 506 to slide in the groove arranged on the third limiting block 405, the sliding of the second sliding plate 506 enables one end surface of the second sliding plate 506 and the inner surface of the groove arranged on the second limiting block 404 to gradually separate, preparation is made for limiting the second limiting block 404 and the third limiting block 405 next time, the rotating baffle 403 rotates clockwise and simultaneously separates the lower surface of the rotating baffle 403 from the upper surface of the third sliding plate 603, so that the handle 202 can be ejected from the groove formed on the left door 105 by the action of the rebound mechanism, and the handle 202 is convenient for a worker to use.
The box lock 111 is further provided with a locking device, the locking device comprises a clamping block 407 and a first spring 408, the clamping block 407 is connected in a groove on the box lock 111 in a sliding manner, the first spring 408 is fixedly connected in the groove on the box lock 111, the other end of the first spring 408 is fixedly connected to the side face of the clamping block 407, the other end of the clamping block 407 abuts against the surface of the lower end of the first rotating member 401, and the position of the first rotating member 401 abutting against the clamping block 407 is an ellipsoid, so that the position of the clamping block 407 is moved when the first rotating member 401 is rotated by ninety degrees.
When the left door 105 and the right door 106 are closed, the first rotating member 401 is rotated counterclockwise by ninety degrees, the rotation of the first rotating member 401 drives the second rotating member 402 to rotate, the rotation of the first rotating member 401 simultaneously enables the clamping block 407 to slide in the direction away from the first rotating member 401 in the groove arranged on the box lock 111, the sliding of the clamping block 407 enables the first spring 408 to compress, and then the first rotating member 401 is rotated clockwise, because the protrusions arranged on the bottom surface of the first rotating member 401 and the upper surface of the second rotating member 402 enable the second rotating member 402 to not act, the rotation of the first rotating member 401 enables the clamping block 407 to slide in the direction close to the first rotating member 401 in the groove arranged on the box lock 111, the sliding of the clamping block 407 enables the first spring 408 to rebound to be in situ, the side surface of the clamping block 407 abuts against the side surface of the first rotating member 401, the second rotating member 402 is prevented from limiting the second rotating member 402, and when the left door 105 and the right door 106 are opened, the rotation of the ninety rotating member 401 is rotated clockwise enables the clamping block 401 to move clockwise, the clamping block 401 is also enabled to rotate in the direction away from the groove arranged on the box lock 111, the side surface of the clamping block 407 is enabled to slide in the direction close to the first rotating member 401, and the side surface of the clamping block 407 is enabled to slide in the direction away from the first rotating member 408, the side of the clamping block 407 is limited by the side of the first rotating member, and the second rotating member is prevented from rotating member 402, the side of the rotating device is prevented from rotating in the direction. Since the protrusions provided on the bottom surface of the first rotating member 401 and the upper surface of the second rotating member 402 make the second rotating member 402 not act, the rotation of the first rotating member 401 makes the clamping block 407 slide in the groove provided on the box lock 111 in the direction close to the first rotating member 401, the sliding of the clamping block 407 makes the first spring 408 spring back to the original position, the side surface of the clamping block 407 abuts against the side surface of the first rotating member 401, so that the clamping block 407 is reset, and the next restriction on the second rotating member 402 is facilitated.
The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. The utility model provides a hidden door lock back frame of van-type refrigerator car, a serial communication port, including left side post (101), right side post (102), threshold (103), lintel (104), left side door (105), right side door (106), glass steel pipe (107) and hidden door lock mechanism, the both ends fixed connection of lintel (104) are in the upper end of left side post (101) and right side post (102), the both ends fixed connection of threshold (103) are in the lower extreme of left side post (101) and right side post (102), the inside of left side door (105) and right side door (106) all is equipped with the through-hole, one side of left side post (101) and one end rotation connection of left side door (105), the other end of left side door (105) and one end counterbalance of right side door (106), the other end and one side rotation connection of right side post (102) of right side door (106) are provided with two, and fixed connection is in the through-hole that sets up on left side post (105) and right side post (106), the lower position and right side post (106) of left side door (105) all are equipped with the through-hole, lower position and lower door lock groove (108), upper and lower lock box (109) are all equipped with hidden locking mechanism (109) in left side door lock box (106), upper lock mechanism (109), the upper lock rod (108) and the lower lock rod (109) can rotate and slide in the glass reinforced plastic pipe (107), the lower surface of the box lock (111) is fixedly connected in grooves at the right lower position of the left door (105) and the left lower position of the right door (106), threads are arranged at one ends, close to the box lock (111), of the upper lock rod (108) and the lower lock rod (109), grooves are arranged at the middle positions of the doorsill (103) and the lintel (104), and lock seats (110) are arranged in the grooves;
the locking mechanism is further arranged at one end, provided with threads, of the upper lock rod (108) and the lower lock rod (109), and comprises a rotary sleeve (201) and a handle (202), two ends of the rotary sleeve (201) are respectively in threaded connection with one end, provided with threads, of the upper lock rod (108) and one end, provided with threads, of the lower lock rod (109), and one end of the handle (202) is fixedly connected to the middle position of the outer surface of the left side of the rotary sleeve (201);
the upper lock rod (108) and the lower lock rod (109) are respectively provided with a jacking device at one end far away from the screw thread, each jacking device comprises a protruding block (702), a first locking piece (703) and a second locking piece (704), the side surfaces of the first locking piece (703) and the second locking piece (704) are fixedly connected in grooves formed in the doorsill (103) and the door lintel (104), one end of each protruding block (702) is fixedly connected at one end of the upper lock rod (108) far away from the screw thread, the side surfaces of the protruding blocks (702) are rotatably connected in the grooves formed by the first locking piece (703) and the second locking piece (704), and the upper surfaces of the protruding blocks (702) are propped against the lower surfaces of the anti-collision blocks (701);
a clamping mechanism is further arranged between the box lock (111) and the rotary sleeve (201), the clamping mechanism comprises a first rotary piece (401), a second rotary piece (402), a rotary baffle (403), a second limiting block (404), a third limiting block (405) and a tension spring (406), a groove is formed in the box lock (111), the first rotary piece (401), the second rotary piece (402) and the rotary baffle (403) are rotationally connected in the groove, the top end of the second rotary piece (402) is abutted against the bottom end of the first rotary piece (401), the bottom end of the second rotary piece (402) passes through the rotary baffle (403), a second limiting block (404) is slidably connected in the groove in the box lock (111), a tension spring (406) is arranged between the box lock (111) and the second limiting block (404), and the side face of the third limiting block (405) is fixedly connected to the middle position of the left side surface of the rotary sleeve (201);
the third limiting block (405) is also provided with an anti-dislocation device, the anti-dislocation device comprises a first sliding plate (501), a second spring (502), a first connecting rod (503), a second connecting rod (504), a third connecting rod (505), a second sliding plate (506) and a rotating shaft (507), the third limiting block (405) is provided with a groove, the first sliding plate (501) is connected in the groove in a sliding way, the second spring (502) is arranged between the first sliding plate (501) and the third limiting block (405), one side of the first connecting rod (503) is hinged on the side surface of the first sliding plate (501) close to one end of the second spring (502) through a rotating seat, the other end of the first connecting rod (503) is provided with a second connecting rod (504), two ends of the second connecting rod (504) are provided with grooves, one end of the second connecting rod (504) is connected with the first connecting rod (503) in a sliding way, the other end of the second connecting rod (504) is connected with the third connecting rod (505) in a sliding way, the middle position of the second connecting rod (504) is connected with the rotating shaft (507) in a rotating way, two ends of the rotating shaft (507) are fixedly connected with two ends of the rotating shaft (507) are arranged on the side surface of the third connecting rod (506) close to one end of the second spring (502) through the side surface of the second connecting rod (506), the second sliding plate (506) is connected in a groove arranged on the third limiting block (405) in a sliding way;
the box lock (111) is further provided with a locking device, the locking device comprises a clamping block (407) and a first spring (408), the clamping block (407) is connected in a groove on the box lock (111) in a sliding mode, the inner wall of the clamping block (407) abuts against the bottom end surface of the first rotating piece (401), and the first spring (408) is arranged between the clamping block (407) and the box lock (111).
2. A hidden door lock back frame for a van-type refrigerator car according to claim 1, wherein the door sill (103) and the door lintel (104) are both of C-shaped structural design, and the lower surfaces of the inner walls of the door lintel (104) and the door sill (103) are designed as inclined surfaces.
3. The hidden door lock back frame for a van-type refrigerator car according to claim 2, wherein an anti-collision block (701) for preventing the lock base (110) from being crashed is further provided on the door sill (103) and the door lintel (104), side surfaces of the anti-collision block (701) are fixedly connected to through holes provided on the door sill (103) and the door lintel (104), and the upper lock lever (108) and the lower lock lever (109) are slidably connected in the anti-collision block (701).
4. A hidden door lock rear frame for a van-type refrigerator car according to claim 3, wherein the upper lock bar (108) and the lower lock bar (109) are fixedly connected with a first limiting block (301) at the end near the screw thread, and the outer side of the first limiting block (301) is abutted against the surface of a groove formed at the end of the glass reinforced plastic tube (107) near the box lock (111).
5. The hidden door lock rear frame of a van-type refrigerator car according to claim 1, wherein the handle (202) is further provided with a rebound device, the rebound device comprises a rebound baffle (601), a connecting rod (602), a third sliding plate (603) and a fourth spring (604), one end of the fourth spring (604) is fixedly connected with a groove surface arranged on the left door (105), the other end of the fourth spring (604) is fixedly connected with the third sliding plate (603), one end of the third sliding plate (603) is slidingly connected in a groove arranged on the box lock (111), one end of the connecting rod (602) is fixedly connected with the upper surface of the third sliding plate (603), the other end of the connecting rod (602) is propped against the lower end surface of the rebound baffle (601), and the side surface of the rebound baffle (601) is fixedly connected with the handle (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126909.7A CN116856809B (en) | 2023-09-04 | 2023-09-04 | Hidden door lock rear frame of van-type refrigerator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126909.7A CN116856809B (en) | 2023-09-04 | 2023-09-04 | Hidden door lock rear frame of van-type refrigerator car |
Publications (2)
| Publication Number | Publication Date |
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| CN116856809A CN116856809A (en) | 2023-10-10 |
| CN116856809B true CN116856809B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311126909.7A Active CN116856809B (en) | 2023-09-04 | 2023-09-04 | Hidden door lock rear frame of van-type refrigerator car |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11334377A (en) * | 1998-05-27 | 1999-12-07 | Nippon Fruehauf Co Ltd | Door structure of van type vehicle cargo box |
| CN206067444U (en) * | 2016-08-27 | 2017-04-05 | 深圳市骏海威供应链管理有限公司 | Transport vehicle carriage |
| US10280678B1 (en) * | 2015-10-21 | 2019-05-07 | Landert Motoren Ag | Breakout sliding door system with pivoting rod |
| CN210738313U (en) * | 2019-08-15 | 2020-06-12 | 安徽国润翔专用汽车有限公司 | Van packing box back door locking device |
| CN113374362A (en) * | 2021-07-23 | 2021-09-10 | 兰博(昆山)运载装备制造有限公司 | Van and special compartment box lock |
| CN216641766U (en) * | 2021-11-26 | 2022-05-31 | 庆铃汽车（集团）有限公司 | Van-type vehicle back door interlocking structure |
-
2023
- 2023-09-04 CN CN202311126909.7A patent/CN116856809B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11334377A (en) * | 1998-05-27 | 1999-12-07 | Nippon Fruehauf Co Ltd | Door structure of van type vehicle cargo box |
| US10280678B1 (en) * | 2015-10-21 | 2019-05-07 | Landert Motoren Ag | Breakout sliding door system with pivoting rod |
| CN206067444U (en) * | 2016-08-27 | 2017-04-05 | 深圳市骏海威供应链管理有限公司 | Transport vehicle carriage |
| CN210738313U (en) * | 2019-08-15 | 2020-06-12 | 安徽国润翔专用汽车有限公司 | Van packing box back door locking device |
| CN113374362A (en) * | 2021-07-23 | 2021-09-10 | 兰博(昆山)运载装备制造有限公司 | Van and special compartment box lock |
| CN216641766U (en) * | 2021-11-26 | 2022-05-31 | 庆铃汽车（集团）有限公司 | Van-type vehicle back door interlocking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116856809A (en) | 2023-10-10 |
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