CN216833086U - Locking device is used in trailer installation - Google Patents
Locking device is used in trailer installation Download PDFInfo
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- CN216833086U CN216833086U CN202220586814.8U CN202220586814U CN216833086U CN 216833086 U CN216833086 U CN 216833086U CN 202220586814 U CN202220586814 U CN 202220586814U CN 216833086 U CN216833086 U CN 216833086U
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- butt joint
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Abstract
The utility model relates to a trailer field especially relates to a locking device is used in trailer installation, including connecting sleeve seat and connection socket, the one end of connecting sleeve seat is dug and is had the slot, and connection socket inserts in the slot and is connected rather than the block, and the slot inner wall is installed and is put to the socket, and the one end of connection socket is dug and is had built-in butt joint groove, and built-in butt joint seat inserts and puts built-in butt joint inslot and is connected rather than the block, and the positioning seat is installed on the top of connecting sleeve seat, wears to be equipped with a plurality of locating pins in the positioning seat. This locking device comprises adapter sleeve seat and connection socket, adopts dual grafting structure, can let connection socket and adapter sleeve seat stably peg graft as an organic whole, effectively reduces rocking after the two is connected, carries out the locking location to the two by the locating pin, lets connection socket and adapter sleeve seat firm joint, ensures that the trailer can stable installation in main car afterbody, this locking device simple structure can guarantee the stability after its locking, and its manufacturing cost and maintenance cost are low, greatly reduced use cost.
Description
Technical Field
The utility model relates to a trailer field especially relates to a locking device is used in trailer installation.
Background
A trailer refers to a vehicle that is towed by a motor vehicle and does not have a power drive of its own. The combination of a car (truck or tractor, forklift) and one or more trailers, and the truck and tractor are driving joints of the automobile train, which is called a main car. When the trailer is installed, the connecting piece on the trailer is required to be sleeved on the connecting piece on the main vehicle, and the two connecting pieces are reinforced by the locking device, so that the trailer can be firmly connected with the main vehicle into a whole.
The existing Chinese patent with the patent number of CN212890674U discloses a locking device of a semitrailer, which comprises a mounting bar, mounting bar diapire central position has seted up the mounting groove, the first spacing fixture block of mounting bar diapire one side intermediate position fixedly connected with, mounting bar diapire central position sliding connection has the spacing fixture block of second, the spacing fixture block roof intermediate position fixedly connected with slider of second, the central position is provided with the threaded rod in the mounting groove, the threaded rod is kept away from first spacing fixture block one side lateral wall central position fixedly connected with connecting rod. In the scheme, in order to improve the connection firmness of the locking device, the clamping piece can be locked by means of an external motor, so that the production cost of the locking device is increased, the locking device cannot be manually operated if the motor fails, the locking device can be ensured to be recovered to be normal by maintaining the motor, the maintenance cost of the locking device is increased by maintaining the motor, and the use cost of the locking device is greatly increased; in view of this, we propose a locking device for trailer installation that can be locked stably and is inexpensive to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that exists among the background art, propose can realize carrying out firm locking processing and effectively reduce locking device use cost's a locking device for trailer installation to locking device.
The technical scheme of the utility model: the utility model provides a locking device is used in trailer installation, includes connecting sleeve seat and connection socket, the slot has been dug to the one end of connecting sleeve seat, connection socket inserts in the slot and is connected rather than the block, slot inner wall fixed mounting has built-in butt joint seat, the one end of connection socket is dug and has built-in butt joint groove, built-in butt joint seat inserts built-in butt joint inslot and is connected rather than the block, the top fixed mounting of connecting sleeve seat has the positioning seat, wear to be equipped with a plurality of locating pins in the positioning seat, every the locating pin all passes connecting socket, built-in butt joint seat and is connected rather than the block.
Preferably, a plurality of internal thread grooves are chiseled on the top end of the positioning seat, an external thread cover is installed at the notch of each internal thread groove in a threaded mode, an arc-shaped pressing block is fixedly installed at the bottom end of each external thread cover, and the arc-shaped pressing blocks are conveniently and firmly assembled in the positioning seat through threaded connection of the external thread covers and the internal thread grooves.
Preferably, every internal thread groove department all is equipped with the locating pin, every the bottom of briquetting is all laminated with the top of the locating pin that the phase-match set up, and the briquetting that is the cambered surface structure through the bottom can reduce its and the locating pin between area of contact, reduces the frictional resistance between the two, and the convenient external screw thread lid rotates.
Preferably, all cut rectangular shape draw-in groove on two outer walls that the connecting socket kept away from mutually, equal fixed mounting has rectangular shape cardboard on two inside walls that the slot is relative, every rectangular shape cardboard all is connected with the rectangular shape draw-in groove block that the phase-match set up, carries on spacingly to rectangular shape cardboard through rectangular shape draw-in groove, ensures that connecting socket can coincide the butt joint more with the slot, effectively reduces the amplitude of rocking after the two is connected.
Preferably, a third rubber plate is fixedly mounted on the inner wall of the built-in butt joint groove, one end of the built-in butt joint seat is attached to the third rubber plate, two second rubber plates are fixedly mounted at one end of the connecting sleeve seat, each second rubber plate is attached to the second fixing plate, the connecting sleeve seat and the contact point of the second fixing plate can be buffered and damped through the second rubber plates, and abrasion generated between the connecting sleeve seat and the second fixing plate is effectively reduced.
Preferably, fixed mounting has two first rubber slabs on the inner wall of slot, built-in butt joint seat is located the position between two first rubber slabs, every first rubber slab all with connect the laminating of socket, can carry out the shock attenuation buffering at connect socket and slot contact point through first rubber slab, can reduce the wear rate between the two.
Preferably, the one end fixed mounting that connecting socket was kept away from to the connecting sleeve seat has first fixed plate, the one end fixed mounting that first fixed plate was kept away from to the connecting socket has the second fixed plate, welds first fixed plate and second fixed plate respectively on trailer and main car, after connecting sleeve seat and connecting socket firmly are connected, can let the trailer stably assemble in main car.
Compared with the prior art, the utility model discloses following profitable technological effect has: this locking device comprises connecting sleeve seat and connection socket, wherein the welding of connecting sleeve seat is on the trailer, the welding of connection socket is in main car, adopt dual grafting structure, can let connection socket and connecting sleeve seat stably peg graft as an organic wholely, effectively reduce rocking after the two is connected, lock the location to the two by the locating pin again, can let connection socket and connecting sleeve seat rigid coupling, ensure that the trailer can stable installation in main car afterbody, this locking device simple structure, can guarantee the stability after its locking, its manufacturing cost and maintenance cost are low, greatly reduced use cost.
Drawings
Fig. 1 shows a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the connection sleeve and the connection socket of the present invention;
FIG. 3 is an enlarged schematic view of A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connection socket of the present invention;
fig. 5 is a right side view of the middle connection sleeve seat of the present invention.
Reference numerals: 1. a connecting sleeve seat; 11. a slot; 12. a butt joint seat is arranged inside; 13. a strip-shaped clamping plate; 14. a first rubber sheet; 15. a second rubber sheet;
2. a first fixing plate;
3. positioning seats; 31. an internal thread groove; 32. an externally threaded cap; 33. a pressing block with a cambered surface;
4. a second fixing plate;
5. positioning pins;
6. a connection socket; 61. a third rubber sheet; 62. a butt joint groove is arranged inside; 63. a strip-shaped clamping groove.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-3, the locking device for trailer installation provided by the present invention comprises a connection sleeve seat 1 and a connection socket 6, wherein a first fixing plate 2 is fixedly installed at one end of the connection sleeve seat 1, the first fixing plate 2 is welded on the trailer frame, a second fixing plate 4 is fixedly assembled at one end of the connection socket 6, the second fixing plate 4 is welded on the main vehicle, a slot 11 is chiseled at one end of the connection sleeve seat 1, one end of the connection socket 6 away from the second fixing plate 4 is inserted into the slot 11 and tightly clamped therewith, a built-in butt-joint seat 12 is fixedly assembled on one inner wall of the slot 11, a built-in butt-joint groove 62 is chiseled at one end of the connection socket 6 away from the second fixing plate 4, the built-in butt-joint seat 12 is inserted into the built-in butt-joint groove 62 and tightly clamped therewith, a positioning seat 3 is welded on the upper surface of the connection sleeve seat 1, a plurality of positioning pins 5 are vertically movably inserted in the positioning seat 3, the bottom of every locating pin 5 all passes connecting sleeve seat 1 in proper order, connect socket 6, built-in butt joint seat 12 and with built-in interior bottom wall snap-fit connection of butt joint groove 62, lock the location to connecting socket 6 and connecting sleeve seat 1 through locating pin 5, ensure that the two can firmly be connected as an organic wholely, the top of positioning seat 3 is opened and is dug there are a plurality of internal thread grooves 31, the notch department of every internal thread groove 31 all imbeds and the screw thread is equipped with external screw thread lid 32, the lower surface of every external screw thread lid 32 all welds the cambered surface briquetting 33 that the bottom is the cambered surface structure, the bottom of every cambered surface briquetting 33 all contacts rather than the top of the locating pin 5 that the below set up, carry out the pressfitting location to locating pin 5 through cambered surface briquetting 33, effectively prevent that locating pin 5 from producing the vertical direction and removing.
The working principle of the locking device for trailer installation based on the first embodiment is as follows: firstly, the connecting sleeve seat 1 is pushed to one side of the connecting socket 6, after the connecting socket 6 is inserted into the slot 11, the built-in butt joint seat 12 is inserted into the built-in butt joint groove 62, a double-insertion structure is adopted, the connecting socket 6 and the connecting sleeve seat 1 can be connected more coincidently and firmly, then a plurality of positioning pins 5 are inserted from the internal thread groove 31, at the moment, the positioning pins 5 firstly pass through the round through holes drilled on the connecting sleeve seat 1, then are inserted into the slot 11 and pass through the built-in butt joint seat 12, and finally are in clamping butt joint with the limiting grooves drilled on the inner bottom wall of the built-in butt joint groove 62, the external thread cover 32 is rotated and assembled at the notch of the internal thread groove 31, when the cambered press block 33 is in close contact with the positioning pins 5, the positioning pins 5 can be locked and positioned, the positioning of the positioning pins 5 is prevented from moving in the vertical direction, the firmness of the connection of the connecting socket 6 and the connecting sleeve seat 1 is effectively improved, and the trailer can be ensured to be firmly assembled at the tail of the trailer, in this process, because the bottom of briquetting of cambered surface 33 is the cambered surface structure, so can reduce area of contact between the two after it contacts with locating pin 5, at the final stage of rotating external screw thread lid 32, can reduce the frictional force between briquetting of cambered surface 33 and the locating pin 5, conveniently rotate external screw thread lid 32, this locking device simple structure, low in manufacturing cost not only can guarantee trailer and owner's firm connection as an organic whole, and its maintenance cost is low moreover, greatly reduced locking device's use cost.
Example two
As shown in fig. 2-5, the utility model provides a locking device is used in trailer installation, including connection socket 6, all chisel on two outer walls that connection socket 6 kept away from mutually has rectangular shape draw-in groove 63, all adopt casting process integrated into one piece to have rectangular shape cardboard 13 on two inner walls that slot 11 is relative, every rectangular shape cardboard 13 all is to insert in the rectangular shape draw-in groove 63 that corresponds the setting and is connected rather than the block, be equipped with third rubber slab 61 on the inner wall of built-in butt joint groove 62, built-in butt joint seat 12's tip embedding is closely laminated with third rubber slab 61 behind the built-in butt joint groove 62, connecting sleeve seat 1 is close to the one end fixed be equipped with two second rubber slabs 15 of second fixed plate 4, every second rubber slab 15 keeps away from connecting sleeve seat 1's one end all with second fixed plate 4 in close contact with, be fixed with first rubber slab 14 on an inner wall of slot 11, connect socket 6's one end insert inside back and two first rubber slab 14 in close contact with.
The working principle of the locking device for trailer installation based on the second embodiment is as follows: firstly, in the process of pushing the connecting sleeve seat 1 to one side of the connecting socket 6, the strip-shaped clamping plate 13 slides into the strip-shaped clamping groove 63, when one end of the connecting socket 6 is contacted with the bottom of the slot 11, the strip-shaped clamping plate 13 is stably clamped in the strip-shaped clamping groove 63, the strip-shaped clamping plate 13 is limited through the strip-shaped clamping groove 63, the connecting socket 6 can be prevented from shaking in the slot 11, the stability of the connecting socket 6 connected with the connecting sleeve seat 1 is further improved, the shock absorption and buffering can be carried out on the contact part of the built-in butt joint seat 12 and the bottom of the built-in butt joint slot 62 through the third rubber plate 61, the distance impact of the built-in butt joint seat 12 on the bottom of the built-in butt joint slot 62 can be prevented, the wear rate of the contact ends of the built-in butt joint seat and the slot is effectively reduced, the shock absorption and buffering can be carried out on the contact part of the connecting socket 6 and the slot 11 through the first rubber plate 14, and the wear of the connecting socket 6 on the slot 11 can be prevented, can carry out the shock attenuation buffering to connecting sleeve seat 1 and second fixed plate 4 contact site through second rubber slab 15, effectively reduce second fixed plate 4 and the wear rate of connecting sleeve seat 1 contact site, reduce the wearing and tearing at each structural connection position, can reduce the loss that locking device produced when using, effectively improve its life cycle.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (7)
1. The utility model provides a locking device is used in trailer installation, includes connecting sleeve seat (1) and connect socket (6), its characterized in that: the one end of connecting sleeve seat (1) is opened and is chiseled slot (11), connect socket (6) insert in slot (11) and rather than the block and be connected, slot (11) inner wall fixed mounting has built-in butt joint seat (12), the one end of connecting socket (6) is opened and is chiseled built-in butt joint groove (62), built-in butt joint seat (12) insert in built-in butt joint groove (62) and rather than the block and be connected, the top fixed mounting of connecting sleeve seat (1) has positioning seat (3), wear to be equipped with a plurality of locating pins (5) in positioning seat (3), every locating pin (5) all pass connecting socket (6), built-in butt joint seat (12) and rather than the block and be connected.
2. The locking device for trailer installation according to claim 1, wherein a plurality of internal thread grooves (31) are chiseled at the top end of the positioning seat (3), an external thread cover (32) is threadedly mounted at the notch of each internal thread groove (31), and a cambered pressing block (33) is fixedly mounted at the bottom end of each external thread cover (32).
3. The locking device for trailer installation according to claim 2, wherein each internal thread groove (31) is provided with a positioning pin (5), and the bottom end of each arc pressing block (33) is attached to the top end of the positioning pin (5) which is arranged in a matching way.
4. The locking device for trailer installation according to claim 1, wherein the two outer walls of the connecting socket (6) away from each other are both provided with an elongated slot (63), the two inner side walls of the slot (11) opposite to each other are both fixedly provided with an elongated clamping plate (13), and each elongated clamping plate (13) is clamped and connected with the elongated slot (63) which is arranged in a matching manner.
5. The locking device for trailer installation according to claim 1, wherein a third rubber plate (61) is fixedly installed on the inner wall of the built-in butt joint groove (62), one end of the built-in butt joint seat (12) is attached to the third rubber plate (61), one end of the connecting sleeve seat (1) is fixedly installed with two second rubber plates (15), and each second rubber plate (15) is attached to the second fixing plate (4).
6. A locking device for trailer installation according to claim 1, wherein two first rubber plates (14) are fixedly mounted on the inner wall of the slot (11), the built-in docking seat (12) is located at a position between the two first rubber plates (14), and each first rubber plate (14) is attached to the connecting socket (6).
7. A locking device for trailer installation according to claim 1, wherein a first fixing plate (2) is fixedly mounted at one end of the connecting sleeve seat (1) far away from the connecting socket (6), and a second fixing plate (4) is fixedly mounted at one end of the connecting socket (6) far away from the first fixing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586814.8U CN216833086U (en) | 2022-03-17 | 2022-03-17 | Locking device is used in trailer installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586814.8U CN216833086U (en) | 2022-03-17 | 2022-03-17 | Locking device is used in trailer installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833086U true CN216833086U (en) | 2022-06-28 |
Family
ID=82097100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220586814.8U Active CN216833086U (en) | 2022-03-17 | 2022-03-17 | Locking device is used in trailer installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833086U (en) |
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2022
- 2022-03-17 CN CN202220586814.8U patent/CN216833086U/en active Active
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