CN216886127U - Sojourn trailer conical traction quick locking device - Google Patents
Sojourn trailer conical traction quick locking device Download PDFInfo
- Publication number
- CN216886127U CN216886127U CN202123189179.4U CN202123189179U CN216886127U CN 216886127 U CN216886127 U CN 216886127U CN 202123189179 U CN202123189179 U CN 202123189179U CN 216886127 U CN216886127 U CN 216886127U
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- ball
- nut
- trailer
- connecting shell
- shell
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- Expired - Fee Related
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- 229940036051 sojourn Drugs 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model relates to a conical traction quick locking device for a sojourn trailer, which comprises a trailer ball, a circular truncated cone-shaped connecting shell, a ball clamp, a safety nut and a screw rod, wherein one side of the connecting shell is fixedly connected with a loading connecting rod, a crack arranged along the bus direction of the connecting shell is arranged on the side, opposite to the loading connecting rod, of the connecting shell, two sides of the crack of the connecting shell are connected by a manual locking mechanism, the ball clamp is sleeved in the connecting shell, the trailer ball is clamped in the ball clamp, the screw rod is fixedly arranged at the top of the ball clamp, the screw rod is screwed with the safety nut, the safety nut is positioned above the connecting shell, and a safety lock cylinder is arranged in the safety nut. The beneficial effects are that: the device can not generate abnormal sound due to vibration in the driving process of the tractor and the towed vehicle; the device is simple, convenient and labor-saving to operate; ensuring that the hitch ball of the device does not disengage from the ball clutch.
Description
Technical Field
The utility model relates to the field of automobile traction connecting equipment, in particular to a conical traction quick locking device for a sojourn trailer.
Background
The automobile traction connecting device is a connecting piece arranged between the tail part of the towing vehicle and the towed vehicle. Present car pulls jointing equipment, and the operation is hard complicated, and the driving in-process can vibrate and produce the abnormal sound, but also can take place the risk of pine taking off.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provides a conical traction quick locking device for a sojourn trailer.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
the utility model provides a sojourn trailer toper pulls quick locking device, includes connecting shell, ball clamp, safety nut, the screw rod of trailer ball, round platform type, one side rigid coupling of connecting shell loads the connecting rod, connecting shell and the one side that loads the connecting rod relatively are provided with the crack of arranging along connecting shell generating line direction, the crack both sides of connecting shell are connected with manual locking mechanism, the ball clamp sleeve is in connecting the shell, the trailer ball presss from both sides in the ball clamp, the top fixed mounting of ball clamp has the screw rod, the screw rod closes with the safety nut spiral shell mutually, the safety nut is located the top of connecting the shell, install the safety lock core in the safety nut.
Wherein, manual locking mechanism includes internal thread pipe, locking bolt, lock spanner, rigid coupling first U template and second U template on the joint housing of crack both sides, internal thread pipe rigid coupling is on first U template, locking bolt rotates and installs on second U template, locking bolt and internal thread pipe looks spiro union, lock spanner fixed mounting is on locking bolt.
The ball clamp comprises a circular connecting disc and four 1/4 conical clamping blocks which are arranged according to an annular array, the connecting disc and the four clamping blocks are integrally manufactured, the connecting disc is located at the top ends of the four clamping blocks, and a limiting block extending into a crack is arranged on one side of the connecting disc.
1/4 spherical clamping grooves are formed in the inner sides of the clamping blocks, and the radius of a ball corresponding to each clamping groove is smaller than that of a trailer ball.
And a compression spring is clamped between the top end of the connecting disc and the top of the inner side of the connecting shell.
The safety nut comprises a nut cover, a nut base plate, a lock cylinder and a metal nut, wherein the nut cover is installed at the top of the nut base plate and is connected with the nut base plate through screws, the lock cylinder is fixedly installed in the nut cover, the metal nut is sleeved in a round hole in the center of the nut base plate, a circle of flange extending outwards is arranged on the outer side of the top of the metal nut, a lock groove is formed in one side of the flange, and a lock tongue of the lock cylinder can be meshed with the lock groove.
The bottom of the trailer ball is fixedly connected with an arc-shaped trailer ball arm.
The utility model has the beneficial effects that: the connecting shell is locked by a manual locking mechanism, so that the connecting shell is matched with the ball clamp to clamp the trailer ball in the ball clamp, and the connecting shell and the ball clamp and the trailer ball are tightly matched without vibration spaces, so that abnormal sound caused by vibration can not be generated in the running process of the towing vehicle and the towed vehicle; the device only needs to sleeve the ball clamp on the trailer ball during installation, rotate the locking wrench of the manual locking mechanism and rotate the lock cylinder and the nut cover of the metal nut, and only needs to rotate the locking wrench of the manual locking mechanism, rotate the lock cylinder and the nut cover of the metal nut and lift the ball clamp upwards to separate the ball clamp from the trailer ball during disassembly, so that the device is simple, convenient and labor-saving to operate; the screw rod and the safety nut are matched to play a role in safety and looseness prevention in the axial direction of the trailer ball, the manual locking mechanism and the connecting shell are matched to play a role in safety and looseness prevention in the radial direction of the trailer ball, and the trailer ball of the device cannot be separated from the ball clamp.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic structural view of a sojourn trailer in a state before a tapered towing quick locking device is installed;
FIG. 2 is a schematic structural diagram of a sojourn trailer in an installed state after a conical traction quick locking device is installed;
FIG. 3 is a schematic view of the safety nut in an open state of the lock cylinder according to the present invention;
FIG. 4 is a schematic structural view of the safety nut in a locked state of the lock cylinder according to the present invention;
the reference numbers in the figures illustrate: 1-trailer ball, 11-trailer ball arm, 2-connecting shell, 21-loading connecting rod, 22-crack, 3-ball clamp, 31-connecting disc, 32-clamping block, 33-clamping groove, 4-safety nut, 41-nut cover, 42-nut base plate, 43-safety lock core, 44-metal nut, 45-screw, 46-flange, 47-locking groove, 48-locking tongue, 5-screw, 6-manual locking mechanism, 61-internal threaded pipe, 62-locking bolt, 63-locking wrench, 64-first U-shaped plate, 65-second U-shaped plate and 7-compression spring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a sojourn trailer taper traction quick locking device, including trailer ball 1, round platform type connecting shell 2, ball clamp 3, safety nut 4, screw 5, the bottom rigid coupling of trailer ball 1 has arc at trailer ball arm 11, one side rigid coupling of connecting shell 2 loads connecting rod 21, connecting shell 2 is provided with the crack 22 of arranging along connecting shell 2 generating line direction with the relative one side of loading connecting rod 21, the crack 22 both sides of connecting shell 2 are connected with manual locking mechanism 6, ball clamp 3 overlaps in connecting shell 2, trailer ball 1 presss from both sides in ball clamp 3, the top fixed mounting of ball clamp 3 has screw 5, screw 5 is screwed with safety nut 4, safety nut 4 is located the top of connecting shell 2, install safety lock core 43 in the safety nut 4.
The ball clamp 3 comprises a circular connecting disc 31 and four 1/4 conical clamping blocks 32 which are arranged according to an annular array, the connecting disc 31 and the four clamping blocks 32 are integrally manufactured, the connecting disc 31 is positioned at the top ends of the four clamping blocks 32, and one side of the connecting disc 31 is provided with a limiting block which extends into the crack 22; the inboard of clamp splice 32 is provided with 1/4 spherical centre gripping groove 33, and the radius of the ball that the centre gripping groove corresponds is less than the radius of trailer ball 1, increases the area of contact between clamp splice 32 and the trailer ball 1, improves the frictional force between clamp splice 32 and the trailer ball 1, improves the stability of trailer ball 1 clamp in ball clamp 3. The top end of the connecting disc 31 and the top part of the inner side of the connecting shell 2 are clamped with a compression spring 7, so that when the ball clamp 3 is separated from the connecting shell 2, the compression spring 7 is used for providing acting forces in opposite directions for the ball clamp 3 and the connecting shell 2 respectively, and the separation of the ball clamp 3 from the connecting shell 2 is promoted.
As shown in fig. 3 and 4, the safety nut 4 includes a nut cover 41, a nut base plate 42, a key cylinder 43, and a metal nut 44, wherein the nut cover 41 is mounted on the top of the nut base plate 42, the nut cover 41 and the nut base plate 42 are connected by a screw 45, the key cylinder 43 is fixedly mounted in the nut cover 41, the metal nut 44 is sleeved in a circular hole in the center of the nut base plate 42, a circle of outwardly extending flange 46 is provided on the outer side of the top of the metal nut 44, a locking groove 47 is provided on one side of the flange 46, and a locking tongue 48 of the key cylinder 43 can be engaged with the locking groove 47.
The working principle of the safety nut is as follows: 1. when the lock cylinder 43 is opened, a key is inserted into the lock cylinder 43 to rotate the lock cylinder 43, so that the lock tongue 48 of the lock cylinder 43 is engaged with the lock groove 47 on the metal nut 44, and at the same time, the nut cover 41 is rotated, so that the metal nut 44 and the nut cover 41 rotate together, and the metal nut 44 moves along the axial direction of the screw 5; 2. when the key cylinder 43 is locked, a key is inserted into the key cylinder 43 to rotate the key cylinder 43, so that the latch tongue 48 of the key cylinder 43 is separated from the lock groove 47 of the metal nut 44, at this time, the nut cover 41 is rotated, the nut cover 41 can only rotate, the metal nut 44 cannot rotate together with the nut cover 41, and the metal nut 44 and the screw 5 are kept in a relatively static state.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a sojourn trailer toper pulls quick locking device which characterized in that: connecting shell, ball clamp, safety nut, screw rod including trailer ball, round platform type, one side rigid coupling of connecting shell loads the connecting rod, connecting shell and the relative one side of loading the connecting rod are provided with the crack of arranging along connecting shell generating line direction, the crack both sides of connecting shell are connected with manual locking mechanical system, the ball clamp cover is in connecting the shell, the trailer ball presss from both sides in the ball clamp, the top fixed mounting of ball clamp has the screw rod, the screw rod closes with safety nut spiral shell mutually, safety nut is located the top of connecting the shell, install safe lock core in the safety nut.
2. The sojourn trailer taper draw quick locking device according to claim 1, wherein: manual locking mechanism includes that internal thread pipe, locking bolt, locking spanner, rigid coupling are at first U template and second U template on the joint housing of crack both sides, internal thread pipe rigid coupling is on first U template, locking bolt rotates and installs on second U template, locking bolt and internal thread pipe looks spiro union, locking spanner fixed mounting is on locking bolt.
3. The sojourn trailer taper draw quick locking device according to claim 1, wherein: the ball clamp comprises a circular connecting disc and four 1/4 conical clamping blocks which are arranged according to an annular array, the connecting disc and the four clamping blocks are integrally manufactured, the connecting disc is located at the top ends of the four clamping blocks, and a limiting block which extends into a gap is arranged on one side of the connecting disc.
4. The sojourn trailer taper draw quick locking device of claim 3, wherein: 1/4 spherical clamping grooves are formed in the inner sides of the clamping blocks, and the radius of a ball corresponding to each clamping groove is smaller than that of a trailer ball.
5. The sojourn trailer taper draw quick locking device of claim 3, wherein: and a compression spring is clamped between the top end of the connecting disc and the top of the inner side of the connecting shell.
6. The tapered towing quick locking device for a sojourn trailer according to claim 1, wherein: the safety nut comprises a nut cover, a nut base plate, a lock cylinder and a metal nut, wherein the nut cover is installed at the top of the nut base plate and is connected with the nut base plate through screws, the lock cylinder is fixedly installed in the nut cover, the metal nut is sleeved in a round hole in the center of the nut base plate, a circle of flange extending outwards is arranged on the outer side of the top of the metal nut, a lock groove is formed in one side of the flange, and a lock tongue of the lock cylinder can be meshed with the lock groove.
7. The sojourn trailer taper draw quick locking device according to claim 1, wherein: the bottom of the trailer ball is fixedly connected with an arc-shaped trailer ball arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189179.4U CN216886127U (en) | 2021-12-17 | 2021-12-17 | Sojourn trailer conical traction quick locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189179.4U CN216886127U (en) | 2021-12-17 | 2021-12-17 | Sojourn trailer conical traction quick locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216886127U true CN216886127U (en) | 2022-07-05 |
Family
ID=82207361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123189179.4U Expired - Fee Related CN216886127U (en) | 2021-12-17 | 2021-12-17 | Sojourn trailer conical traction quick locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216886127U (en) |
-
2021
- 2021-12-17 CN CN202123189179.4U patent/CN216886127U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |