CN117125158A - Trailer connector - Google Patents
Trailer connector Download PDFInfo
- Publication number
- CN117125158A CN117125158A CN202311145162.XA CN202311145162A CN117125158A CN 117125158 A CN117125158 A CN 117125158A CN 202311145162 A CN202311145162 A CN 202311145162A CN 117125158 A CN117125158 A CN 117125158A
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- Prior art keywords
- leg
- driving rod
- positioning
- guide
- stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000003381 stabilizer Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/08—Fifth wheel traction couplings
Abstract
The invention belongs to the technical field of automobile traction, and discloses a trailer connector, which comprises a mounting plate, a support leg assembly, a pneumatic locking mechanism and a trailer connector panel, wherein the pneumatic locking mechanism comprises an air cylinder, a bracket, a connecting rod, a first driving rod, a second driving rod, a first positioning inserting plate and a second positioning inserting plate; the first waist hole has been seted up to the one end of first actuating lever, and first actuating lever rotates with the connecting rod through first waist hole to be connected, and the second waist hole has been seted up to the one end of second actuating lever, and the second actuating lever rotates with the connecting rod through the second waist hole to be connected, and the rotation hookup location of connecting rod and support is located between first actuating lever and the second actuating lever. The trailer connector can realize the function of automatic clearance compensation, thereby ensuring the reliability of the pneumatic locking mechanism.
Description
Technical Field
The invention relates to the technical field of automobile traction, in particular to a trailer connector.
Background
The trailer connector is a traction piece of a cargo tractor for pulling a semitrailer, and is also called a traction seat, a tractor and the like. The trailer connector is used as a connecting structure between a tractor and a trailer and is a key structural component in logistics transportation.
The existing trailer connector is characterized in that the locking mechanism drives the locking teeth to be clamped with the teeth of the rack, so that locking of the supporting legs is achieved, the locking teeth and the teeth can be worn after a period of use, a certain gap can be formed between the worn locking teeth and the teeth, and the locking effect of the locking teeth and the teeth is poor.
Disclosure of Invention
The invention aims to provide a trailer connector, which has an automatic clearance compensation function and can reduce the condition that the locking effect is poor due to abrasion.
To achieve the purpose, the invention adopts the following technical scheme:
a trailer connector comprising:
the mounting plate is provided with a first guide limiting block and a second guide limiting block, the first guide limiting block and the second guide limiting block are oppositely arranged, one side, close to the second guide limiting block, of the first guide limiting block is provided with a plurality of first positioning grooves, and one side, close to the first guide limiting block, of the second guide limiting block is provided with a plurality of second positioning grooves;
the support leg assembly is arranged on the mounting plate in a sliding manner and is positioned between the first guide limiting block and the second guide limiting block;
the pneumatic locking mechanism comprises an air cylinder, a bracket, a connecting rod, a first driving rod, a second driving rod, a first positioning inserting plate and a second positioning inserting plate, wherein the air cylinder is arranged on the support leg assembly, the bracket is arranged on the support leg assembly, the connecting rod is rotationally connected with the bracket, and one end of the connecting rod is rotationally connected with the output end of the air cylinder; the first driving rod is rotatably connected with the connecting rod through the first waist hole, the other end of the first driving rod is rotatably connected with one end of the first positioning plugboard, the first positioning plugboard is slidably connected with the support leg assembly, the first positioning plugboard can be inserted into the first positioning groove, the first driving rod is sleeved with a first spring, one end of the first spring is connected with the bracket, and the other end of the first spring is connected with one end of the first driving rod, which is close to the first positioning plugboard; the second driving rod is rotatably connected with the connecting rod through the second waist hole, the other end of the second driving rod is rotatably connected with one end of the second positioning inserting plate, the second positioning inserting plate is slidably connected with the support leg assembly, the second positioning inserting plate can be inserted into the second positioning groove, the second driving rod is sleeved with a second spring, one end of the second spring is connected with the support, and the other end of the second spring is connected with one end of the second driving rod, which is close to the second positioning inserting plate; the rotating connection position of the connecting rod and the bracket is positioned between the first driving rod and the second driving rod;
a trailer connector panel connected with the bracket assembly.
Optionally, the stabilizer blade assembly includes first stabilizer blade, second stabilizer blade and connection crossbeam, first stabilizer blade with the second stabilizer blade slides and sets up on the mounting panel, first stabilizer blade is close to first direction stopper, the second stabilizer blade is close to second direction stopper, the both ends of connection crossbeam respectively with first stabilizer blade with second stabilizer blade fixed connection, the both ends of support respectively with first stabilizer blade and second stabilizer blade fixed connection, first location picture peg with first stabilizer blade sliding connection, second location picture peg with second stabilizer blade sliding connection, trailer connector panel with first stabilizer blade and second stabilizer blade connection.
Optionally, be provided with first stopper on the first stabilizer blade, the upper end of first direction stopper is provided with first spacing slide rail, the upper end of first stopper with the lower extreme looks butt of first spacing slide rail.
Optionally, a second limiting block is arranged on the second supporting leg, a second limiting slide rail is arranged at the upper end of the second guiding limiting block, and the upper end of the second limiting block is abutted to the lower end of the second limiting slide rail.
Optionally, the first support leg is provided with a first sliding hole, the first positioning inserting plate is slidably arranged in the first sliding hole, the second support leg is provided with a second sliding hole, and the second positioning inserting plate is slidably arranged in the second sliding hole.
Optionally, a first limiting frame and a second limiting frame are arranged on the support, one end of the first spring is connected with the first limiting frame, and one end of the second spring is connected with the second limiting frame.
Optionally, a first limiting protrusion is arranged at one end of the first driving rod, which is close to the first positioning plugboard, and one end of the first spring, which is away from the first limiting frame, is connected with the first limiting protrusion; one end of the second driving rod, which is close to the second positioning plugboard, is provided with a second limiting protrusion, and one end of the second spring, which is away from the second limiting frame, is connected with the second limiting protrusion.
Optionally, a first limit connecting plate and a second limit connecting plate are arranged on the mounting plate, the first limit connecting plate is located at one end of the first guide limiting block and one end of the second guide limiting block, and the second limit connecting plate is located at the other end of the first guide limiting block and the other end of the second guide limiting block.
Optionally, the bracket is provided with a rotation connecting hole.
Optionally, the first guide limiting block is provided with a first mounting hole, and the second guide limiting block is provided with a second mounting hole.
The invention has the beneficial effects that:
according to the trailer connector provided by the invention, the pneumatic locking mechanism is arranged, when the support leg assembly needs to slide relative to the mounting plate, the output end of the air cylinder stretches out, the output end of the air cylinder pushes the connecting rod to rotate relative to the bracket, the connecting rod drives the first driving rod to move, the first driving rod overcomes the elastic force of the first spring to drive the first positioning inserting plate to slide relative to the bracket assembly in the direction away from the first positioning groove, meanwhile, the connecting rod drives the second driving rod to move, the second driving rod overcomes the elastic force of the second spring to drive the second positioning inserting plate to slide relative to the bracket assembly in the direction away from the second positioning groove, and the pneumatic locking mechanism is unlocked, so that the bracket assembly can be operated to slide to a required position relative to the mounting plate; after the support leg assembly is positioned at the required position, the output end of the air cylinder is retracted, the output end of the air cylinder drags the connecting rod to reversely rotate relative to the support, the connecting rod drives the first driving rod to reversely move, the first driving rod drives the first positioning inserting plate to slide relative to the support assembly in the direction close to the first positioning groove until the first positioning inserting plate is inserted into the first positioning groove, meanwhile, the connecting rod drives the second driving rod to reversely move, the second driving rod drives the second positioning inserting plate to slide relative to the support assembly in the direction close to the second positioning groove until the second positioning inserting plate is inserted into the second positioning groove, and the pneumatic locking mechanism completes locking; when the pneumatic locking mechanism is in a locking state, through the first waist hole formed in one end of the first driving rod, when the first positioning groove or the first positioning inserting plate is worn, under the action of the elastic force of the first spring, the first spring can push the first driving rod to further drive the first positioning inserting plate to be always kept in contact with the first positioning groove, and through the second waist hole formed in one end of the second driving rod, when the second positioning groove or the second positioning inserting plate is worn, under the action of the elastic force of the second spring, the second spring can push the second driving rod to further drive the second positioning inserting plate to be always kept in contact with the second positioning groove, so that the automatic clearance compensation function can be realized, and the reliability of the pneumatic locking mechanism is further guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it should be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic illustration of a trailer hitch provided in accordance with the present invention;
FIG. 2 is a schematic view of the leg assembly of the present invention;
FIG. 3 is a schematic view of a first guide stopper according to the present invention;
FIG. 4 is a schematic view of a second guiding stopper according to the present invention;
FIG. 5 is a schematic view of the pneumatic locking mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the first slide hole in the present invention;
FIG. 7 is a schematic view of a second slide hole according to the present invention;
FIG. 8 is a schematic view of the structure of the bracket of the present invention;
FIG. 9 is a schematic view of the structure of the first driving lever in the present invention;
fig. 10 is a schematic structural view of a second driving lever in the present invention.
In the figure:
100. a mounting plate; 110. the first guide limiting block; 111. a first positioning groove; 112. the first limiting slide rail; 113. a first mounting hole; 120. the second guide limiting block; 121. a second positioning groove; 122. the second limiting slide rail; 123. a second mounting hole; 130. the first limit connecting plate; 140. the second limit connecting plate;
200. a leg assembly; 210. a first leg; 211. a first limiting block; 212. a first slide hole; 220. a second leg; 221. a second limiting block; 222. a second slide hole; 230. a connecting beam;
300. a pneumatic locking mechanism; 310. a cylinder; 320. a bracket; 321. a first limiting frame; 322. the second limiting frame; 323. rotating the connecting hole; 330. a connecting rod; 340. a first driving lever; 341. a first waist hole; 342. the first limiting protrusion; 350. a second driving lever; 351. a second waist hole; 352. the second limiting bulge; 360. a first positioning plugboard; 370. a second positioning plugboard; 380. a first spring; 390. a second spring;
400. a trailer connector panel.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1-10, the present invention provides a trailer hitch coupler that includes a mounting plate 100, a leg assembly 200, a pneumatic locking mechanism 300, and a trailer coupler panel 400.
The mounting plate 100 is provided with a first guide limiting block 110 and a second guide limiting block 120, the first guide limiting block 110 and the second guide limiting block 120 are oppositely arranged, one side of the first guide limiting block 110, which is close to the second guide limiting block 120, is provided with a plurality of first positioning grooves 111, and one side of the second guide limiting block 120, which is close to the first guide limiting block 110, is provided with a plurality of second positioning grooves 121; the support leg assembly 200 is slidably arranged on the mounting plate 100, and the support leg assembly 200 is positioned between the first guide limiting block 110 and the second guide limiting block 120; the pneumatic locking mechanism 300 comprises an air cylinder 310, a bracket 320, a connecting rod 330, a first driving rod 340, a second driving rod 350, a first positioning inserting plate 360 and a second positioning inserting plate 370, wherein the air cylinder 310 is arranged on the support leg assembly 200, the bracket 320 is arranged on the support leg assembly 200, the connecting rod 330 is rotationally connected with the bracket 320, and one end of the connecting rod 330 is rotationally connected with the output end of the air cylinder 310; a first waist hole 341 is formed in one end of the first driving rod 340, the first driving rod 340 is rotationally connected with the connecting rod 330 through the first waist hole 341, the other end of the first driving rod 340 is rotationally connected with one end of the first positioning inserting plate 360, the first positioning inserting plate 360 is slidably connected with the support leg assembly 200, the first positioning inserting plate 360 can be inserted into the first positioning groove 111, the first driving rod 340 is sleeved with a first spring 380, one end of the first spring 380 is connected with the support 320, and the other end of the first spring 380 is connected with one end of the first driving rod 340 close to the first positioning inserting plate 360; a second waist hole 351 is formed in one end of the second driving rod 350, the second driving rod 350 is rotationally connected with the connecting rod 330 through the second waist hole 351, the other end of the second driving rod 350 is rotationally connected with one end of a second positioning inserting plate 370, the second positioning inserting plate 370 is slidably connected with the support leg assembly 200, the second positioning inserting plate 370 can be inserted into the second positioning groove 121, a second spring 390 is sleeved on the second driving rod 350, one end of the second spring 390 is connected with the bracket 320, and the other end of the second spring 390 is connected with one end of the second driving rod 350 close to the second positioning inserting plate 370; the rotational connection position of the link 330 and the bracket 320 is located between the first driving lever 340 and the second driving lever 350; the trailer connector panel 400 is coupled to the bracket 320 assembly. The trailer hitch panel 400 is identical to the panel structure of the existing trailer hitch, and will not be described in detail herein.
According to the trailer connector provided by the invention, by arranging the pneumatic locking mechanism 300, when the support leg assembly 200 needs to slide relative to the mounting plate 100, the output end of the air cylinder 310 stretches out, the output end of the air cylinder 310 pushes the connecting rod 330 to rotate relative to the bracket 320, the connecting rod 330 drives the first driving rod 340 to move, the first driving rod 340 overcomes the elastic force of the first spring 380 to drive the first positioning inserting plate 360 to slide relative to the bracket 320 assembly in the direction away from the first positioning groove 111, meanwhile, the connecting rod 330 drives the second driving rod 350 to move, the second driving rod 350 overcomes the elastic force of the second spring 390 to drive the second positioning inserting plate 370 to slide relative to the bracket 320 assembly in the direction away from the second positioning groove 121, and the pneumatic locking mechanism 300 is unlocked, so that the bracket 320 assembly can be operated to slide to a required position relative to the mounting plate 100; after the support leg assembly 200 is positioned at the required position, the output end of the air cylinder 310 is retracted, the output end of the air cylinder 310 drags the connecting rod 330 to reversely rotate relative to the bracket 320, the connecting rod 330 drives the first driving rod 340 to reversely move, the first driving rod 340 drives the first positioning inserting plate 360 to slide relative to the bracket 320 assembly in the direction close to the first positioning groove 111 until the first positioning inserting plate 360 is inserted into the first positioning groove 111, meanwhile, the connecting rod 330 drives the second driving rod 350 to reversely move, the second driving rod 350 drives the second positioning inserting plate 370 to slide relative to the bracket 320 assembly in the direction close to the second positioning groove 121 until the second positioning inserting plate 370 is inserted into the second positioning groove 121, and the pneumatic locking mechanism 300 is locked; when the pneumatic locking mechanism 300 is in a locking state, the first waist hole 341 is formed at one end of the first driving rod 340, so that when the first positioning groove 111 or the first positioning plugboard 360 is worn, under the action of the elastic force of the first spring 380, the first spring 380 can push the first driving rod 340 to further drive the first positioning plugboard 360 to always keep in contact with the first positioning groove 111, and when the second waist hole 351 is formed at one end of the second driving rod 350, the second positioning groove 121 or the second positioning plugboard 370 is worn, under the action of the elastic force of the second spring 390, the second spring 390 can push the second driving rod 350 to further drive the second positioning plugboard 370 to always keep in contact with the second positioning groove 121, so that the automatic clearance compensation function can be realized, and the reliability of the pneumatic locking mechanism 300 is further ensured.
The upper end of the connecting rod 330 is fixedly provided with a first rotating shaft and a second rotating shaft, the rotating connection position of the connecting rod 330 and the bracket 320 is located between the first rotating shaft and the second rotating shaft, the first rotating shaft is movably connected with the first waist hole 341, the first rotating shaft can rotate in the first waist hole 341, the first rotating shaft can slide relative to the first waist hole 341 along the extending direction of the first waist hole 341, the second rotating shaft is movably connected with the second waist hole 351, the second rotating shaft can rotate in the second waist hole 351, and the second rotating shaft can slide relative to the second waist hole 351 along the extending direction of the second waist hole 351.
In some embodiments, the mounting plate 100 is provided with a first limit connecting plate 130 and a second limit connecting plate 140, the first limit connecting plate 130 is located at one end of the first guide limiting block 110 and one end of the second guide limiting block 120, and the second limit connecting plate 140 is located at the other end of the first guide limiting block 110 and the other end of the second guide limiting block 120. By providing the first limit connection plate 130 and the second limit connection plate 140, the sliding distance of the leg assembly 200 can be limited, and the leg assembly 200 is prevented from being separated from the mounting plate 100.
Optionally, the first guide limiting block 110 is provided with a first mounting hole 113, the second guide limiting block 120 is provided with a second mounting hole 123, the first guide limiting block 110 is connected with a screw or a rivet of the mounting plate 100 through the first mounting hole 113, and the second guide limiting block 120 is connected with the screw or the rivet of the mounting plate 100 through the second mounting hole 123.
In some embodiments, the leg assembly 200 includes a first leg 210, a second leg 220, and a connecting beam 230, the first leg 210 and the second leg 220 are slidably disposed on the mounting plate 100, the first leg 210 is close to the first guiding stopper 110, the second leg 220 is close to the second guiding stopper 120, two ends of the connecting beam 230 are fixedly connected to the first leg 210 and the second leg 220, two ends of the bracket 320 are fixedly connected to the first leg 210 and the second leg 220, the first positioning insert 360 is slidably connected to the first leg 210, the second positioning insert 370 is slidably connected to the second leg 220, the trailer connector panel 400 is connected to the first leg 210 and the second leg 220, and the connecting beam 230 can ensure stability of the first leg 210 and the second leg 220.
Optionally, the first support leg 210 is provided with a first limiting block 211, the upper end of the first guiding limiting block 110 is provided with a first limiting rail 112, the upper end of the first limiting block 211 is abutted against the lower end of the first limiting rail 112, and through the above structure, the effect of limiting the first support leg 210 in a jumping manner can be achieved, so that the first guiding limiting block 110 is prevented from deviating when the first support leg 210 slides relative to the mounting plate 100. The second support leg 220 is provided with the second limiting block 221, the upper end of the second guiding limiting block 120 is provided with the second limiting slide rail 122, the upper end of the second limiting block 221 is abutted against the lower end of the second limiting slide rail 122, and through the structure, the effect of upward-jump limiting of the second support leg 220 can be achieved, so that the second guiding limiting block 120 is prevented from deviating when the second support leg 220 slides relative to the mounting plate 100.
The first leg 210 is provided with a first sliding hole 212, the first positioning insert plate 360 is slidably disposed in the first sliding hole 212, the second leg 220 is provided with a second sliding hole 222, and the second positioning insert plate 370 is slidably disposed in the second sliding hole 222. Through setting up first slide hole 212 and second slide hole 222, can play slip guide effect to first locating picture peg 360 and second locating picture peg 370, avoid first locating picture peg 360 and second locating picture peg 370 to take place the skew at the slip in-process, can guarantee moreover that first locating picture peg 360 inserts first constant head tank 111 and second locating picture peg 370 inserts the stability of second constant head tank 121.
In some embodiments, the bracket 320 is provided with a first limiting frame 321 and a second limiting frame 322, one end of the first spring 380 is connected with the first limiting frame 321, one end of the second spring 390 is connected with the second limiting frame 322, and stability of the first spring 380 and the second spring 390 can be ensured by setting the first limiting frame 321 and the second limiting frame 322. Illustratively, the first limiting frame 321 is provided with a first through hole, the first driving rod 340 passes through the first through hole, and the first driving rod 340 can slide or swing in the first through hole, so as to avoid interference between the first driving rod 340 and the first limiting frame 321 in the moving process; the second limiting frame 322 is provided with a second through hole, the second driving rod 350 penetrates through the second through hole, and the second driving rod 350 can slide or swing in the second through hole, so that the second driving rod 350 is prevented from interfering with the second limiting frame 322 in the moving process.
Optionally, a first limiting protrusion 342 is disposed at an end of the first driving rod 340 near the first positioning board 360, and an end of the first spring 380 facing away from the first limiting frame 321 is connected with the first limiting protrusion 342; the end of the second driving rod 350, which is close to the second positioning plugboard 370, is provided with a second limiting protrusion 352, and the end of the second spring 390, which is away from the second limiting frame 322, is connected with the second limiting protrusion 352. Through the structure, the first limiting protrusion 342 is matched with the first limiting frame 321, the second limiting protrusion 352 is matched with the second limiting frame 322, and the supporting limiting of the first spring 380 and the second spring 390 can be realized.
In some preferred embodiments, the supporter 320 is provided with a rotational coupling hole 323, and the supporter 320 is rotatably coupled with the link 330 through the rotational coupling hole 323. The rotation connection hole 323 is located between the first limiting frame 321 and the second limiting frame 322. Illustratively, the lower end of the link 330 is fixedly provided with a third rotation shaft, which is extended into the rotation connection hole 323, and the third rotation shaft is rotatable with respect to the rotation connection hole 323.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. A trailer hitch coupler, comprising:
the mounting plate is provided with a first guide limiting block and a second guide limiting block, the first guide limiting block and the second guide limiting block are oppositely arranged, one side, close to the second guide limiting block, of the first guide limiting block is provided with a plurality of first positioning grooves, and one side, close to the first guide limiting block, of the second guide limiting block is provided with a plurality of second positioning grooves;
the support leg assembly is arranged on the mounting plate in a sliding manner and is positioned between the first guide limiting block and the second guide limiting block;
the pneumatic locking mechanism comprises an air cylinder, a bracket, a connecting rod, a first driving rod, a second driving rod, a first positioning inserting plate and a second positioning inserting plate, wherein the air cylinder is arranged on the support leg assembly, the bracket is arranged on the support leg assembly, the connecting rod is rotationally connected with the bracket, and one end of the connecting rod is rotationally connected with the output end of the air cylinder; the first driving rod is rotatably connected with the connecting rod through the first waist hole, the other end of the first driving rod is rotatably connected with one end of the first positioning plugboard, the first positioning plugboard is slidably connected with the support leg assembly, the first positioning plugboard can be inserted into the first positioning groove, the first driving rod is sleeved with a first spring, one end of the first spring is connected with the bracket, and the other end of the first spring is connected with one end of the first driving rod, which is close to the first positioning plugboard; the second driving rod is rotatably connected with the connecting rod through the second waist hole, the other end of the second driving rod is rotatably connected with one end of the second positioning inserting plate, the second positioning inserting plate is slidably connected with the support leg assembly, the second positioning inserting plate can be inserted into the second positioning groove, the second driving rod is sleeved with a second spring, one end of the second spring is connected with the support, and the other end of the second spring is connected with one end of the second driving rod, which is close to the second positioning inserting plate; the rotating connection position of the connecting rod and the bracket is positioned between the first driving rod and the second driving rod;
a trailer connector panel connected with the bracket assembly.
2. The trailer connector of claim 1, wherein the leg assembly comprises a first leg, a second leg, and a connecting beam, the first leg and the second leg are slidably disposed on the mounting plate, the first leg is adjacent to the first guide stopper, the second leg is adjacent to the second guide stopper, two ends of the connecting beam are fixedly connected with the first leg and the second leg, two ends of the bracket are fixedly connected with the first leg and the second leg, the first locating insert is slidably connected with the first leg, the second locating insert is slidably connected with the second leg, and the connector panel is fixedly connected with the first leg and the second leg.
3. The trailer connector of claim 2, wherein a first stop block is provided on the first leg, a first stop rail is provided at an upper end of the first guide stop block, and an upper end of the first stop block abuts against a lower end of the first stop rail.
4. The trailer connector of claim 2, wherein a second stop block is provided on the second leg, a second stop rail is provided at an upper end of the second guide stop block, and an upper end of the second stop block abuts against a lower end of the second stop rail.
5. The trailer connector of claim 2, wherein the first leg is provided with a first slide hole, the first locating insert plate is slidably disposed within the first slide hole, the second leg is provided with a second slide hole, and the second locating insert plate is slidably disposed within the second slide hole.
6. The trailer connector of claim 1, wherein a first stop and a second stop are provided on the bracket, one end of the first spring is connected to the first stop, and one end of the second spring is connected to the second stop.
7. The trailer connector of claim 6, wherein a first stop projection is disposed at an end of the first drive rod adjacent to the first locating insert plate, and wherein an end of the first spring facing away from the first stop is connected to the first stop projection; one end of the second driving rod, which is close to the second positioning plugboard, is provided with a second limiting protrusion, and one end of the second spring, which is away from the second limiting frame, is connected with the second limiting protrusion.
8. The trailer connector of claim 1, wherein a first limit connection plate and a second limit connection plate are disposed on the mounting plate, the first limit connection plate is located at one end of the first guide stopper and one end of the second guide stopper, and the second limit connection plate is located at the other end of the first guide stopper and the other end of the second guide stopper.
9. The trailer connector of claim 1 wherein said bracket is provided with a swivel connection aperture.
10. The trailer hitch coupler of any one of claims 1-9, wherein the first guide stop defines a first mounting hole and the second guide stop defines a second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311145162.XA CN117125158A (en) | 2023-09-06 | 2023-09-06 | Trailer connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311145162.XA CN117125158A (en) | 2023-09-06 | 2023-09-06 | Trailer connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117125158A true CN117125158A (en) | 2023-11-28 |
Family
ID=88862706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311145162.XA Pending CN117125158A (en) | 2023-09-06 | 2023-09-06 | Trailer connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117125158A (en) |
-
2023
- 2023-09-06 CN CN202311145162.XA patent/CN117125158A/en active Pending
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