CN219749427U - Pulling mechanism - Google Patents
Pulling mechanism Download PDFInfo
- Publication number
- CN219749427U CN219749427U CN202223537450.3U CN202223537450U CN219749427U CN 219749427 U CN219749427 U CN 219749427U CN 202223537450 U CN202223537450 U CN 202223537450U CN 219749427 U CN219749427 U CN 219749427U
- Authority
- CN
- China
- Prior art keywords
- bolt
- passive
- active
- hole
- pulling
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000003780 insertion Methods 0.000 claims abstract description 53
- 230000037431 insertion Effects 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model provides a pulling mechanism, wherein a pulling female head is provided with an active bolt hole and a passive bolt hole; the active bolt is arranged in the active bolt hole and can move in the active bolt hole; the passive bolt is arranged in the passive bolt hole and can move in the passive bolt hole; the pulling female head is also provided with an insertion groove; the insertion groove also vertically penetrates through the active bolt hole; one end of the pulling male head is an insertion end, and the insertion end is provided with a male head pin hole which penetrates through; the position and the size of the male jack are matched with the active bolt. The device has the advantages that the structure is simple, and the connection and locking can be completed only by butt-jointing and inserting the corresponding positions of the two parts; the unlocking process can be completed by a single hand; is convenient and quick.
Description
Technical Field
The utility model relates to a pulling mechanism.
Background
The existing trailer adopts a pulling mechanism to realize the connection and separation of two parts. Most of the pulling mechanisms are needed to be butted by two parts and then locked, and most of the pulling mechanisms are needed to be operated by two persons at the same time. One person carries out butt joint on the two parts, and the other person fixes the butt joint part; one person is relatively difficult to operate. And basically adopts a threaded connection mode, which is time-consuming and labor-consuming.
Disclosure of Invention
The pulling mechanism provided by the utility model has a simple structure, and can complete connection and locking only by butting and inserting the corresponding positions of the two parts; the unlocking process can be completed by a single hand; the method is convenient and quick; to overcome the disadvantages of the prior art.
The utility model provides a pulling mechanism, comprising: the device comprises a pulling female head 1, a pulling male head 2, an active bolt component 3 and a passive bolt component 4; the towing female head 1 is provided with an active bolt hole 11 and a passive bolt hole 12; the active bolt hole 11 and the passive bolt hole 12 are mutually perpendicular and are intersected; the active bolt assembly 3 comprises an active bolt 31 and an active bolt resetting piece 32; the active bolt 31 is arranged in the active bolt hole 11 and can move in the active bolt hole 11; the active bolt resetting piece 32 drives the active bolt 31 to reset; the passive plug assembly 4 includes a passive plug 41 and a passive plug reset member 42; the passive bolt 41 is disposed in the passive bolt hole 12 and is movable in the passive bolt hole 12; the passive bolt resetting piece 42 drives the passive bolt 41 to reset; the pulling female head 1 is also provided with an inserting groove 13, and the inserting groove 13 is parallel to the passive bolt hole 12 and is provided with an overlapping part; the insertion groove 13 also vertically penetrates the active bolt hole 11; one end of the pull-up male head 2 is an insertion end 21, and the insertion end 21 is matched with the insertion groove 13 and can be inserted into the insertion groove 13; the insertion end 21 is provided with a male plug pin hole 22 which penetrates through the insertion end; the male jack 22 is positioned and sized to mate with the active latch 31.
Further, the present utility model provides a pulling mechanism, which may further have the following features: when the insertion end 21 of the male pulling head 2 is not inserted into the insertion groove 13 of the female pulling head 1, the position of the passive bolt 41 occupies the active bolt hole 11, the passive bolt hole 12 and the insertion groove 13; the active bolt 31 is pressed on the passive bolt 41 under the action of the active bolt resetting piece 32; when the insertion end 21 of the male pulling head 2 is inserted into the insertion groove 13 of the female pulling head 1, the passive plug 41 is retracted by the pushing force of the male pulling head 2; when the position of the male pin hole 22 on the pulling male head 2 is matched with the active pin hole 11 of the pulling female head 1, the active pin 31 is inserted into the male pin hole 22; when the driving bolt 31 is forced to leave the male bolt hole 22 of the male connector 2, the driven bolt 41 pushes the male connector 2 to leave the insertion groove 13 under the action of the driven bolt resetting piece 42.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the active bolt assembly 3 further comprises an active pin fixation nut 33; the driving pin fixing nut 33 is in meshed connection with one end of the driving pin hole 11, which is far away from the driven pin hole 12; the active bolt 31 is of a step shaft structure; the active latch reset member 32 is an active latch spring; the active bolt spring is located between the stepped surface of the active bolt 31 and the active bolt retaining nut 33.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the active bolt assembly 3 further comprises an active bolt limiter 34; one end of the driving bolt 31 extends out of the driving bolt fixing nut 33; the limiting piece 34 is arranged on one end of the driving bolt 31 extending out of the driving bolt fixing nut 33, and limits the limiting position of the driving bolt assembly 3 to the direction of the inserting groove 13.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the active bolt limiting piece 34 is an active bolt pull ring; the active bolt pull ring is inserted into one end of the active bolt hole 11 extending out of the active bolt fixing nut 33.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the passive plug assembly 4 also includes a passive pin retaining nut 43; the passive pin fixing nut 43 is in meshed connection with one end of the passive pin hole 12, which is far away from the active pin hole 11; the passive bolt 41 is of a step shaft structure; the passive latch reset member 42 is a passive latch spring; the passive bolt spring is located between the stepped surface of the passive bolt 41 and the passive bolt securing nut 43.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the passive plug pin assembly 4 is provided with a passive limiting mechanism; the passive limiting mechanism limits the limit position of the passive plug 41 in the direction of the insertion slot 13.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the passive plug pin hole 12 is provided with a hole limiting step surface 12a; the passive plug 41 has a shaft limit step surface 41a; the hole limiting step surface 12a and the shaft limiting step surface 41a are matched and can be mutually attached to form a passive limiting mechanism, so that the limit position of the passive plug 41 in the direction of the insertion groove 13 is limited.
Further, the present utility model provides a pulling mechanism, which may further have the following features: the towing female head 1 and the towing male head 2 are respectively fixed on two parts of the towing vehicle, so that the two parts of the towing vehicle are separated and locked.
Drawings
Fig. 1 is a perspective view of the external shape of the hitch mechanism in the embodiment.
Fig. 2 is a perspective view of the external shape of the hitch female in the embodiment.
Fig. 3 is a perspective view of the external shape of the male tab of the embodiment.
Fig. 4 is a schematic diagram showing a state in which the hitch mechanism is not connected in the embodiment.
Fig. 5 is a schematic diagram showing a state in connection of the hitch mechanism in the embodiment.
Fig. 6 is a schematic diagram of a hitch mechanism connection lock state in the embodiment.
Detailed Description
The utility model is further described below with reference to the drawings and specific embodiments.
Examples
In this embodiment, a pulling mechanism includes: the device comprises a pulling female head 1, a pulling male head 2, an active bolt component 3 and a passive bolt component 4.
The towing female head 1 is provided with an active bolt hole 11 and a passive bolt hole 12. The active bolt hole 11 and the passive bolt hole 12 are perpendicular to each other and intersect. In this embodiment, the active bolt hole 11 is vertically arranged and penetrates up and down; the passive bolt hole 12 is horizontally arranged and penetrates left and right.
The female tractor 1 also has an insertion slot 13, the insertion slot 13 being parallel to the passive plug hole 12, i.e. horizontally arranged, and having an overlapping portion. The insertion groove 13 also vertically penetrates the active bolt hole 11 to divide it into two ends.
In this embodiment, the active plug assembly 3 includes: the driving bolt 31, the driving bolt resetting piece 32, the driving bolt fixing nut 33 and the driving bolt limiting piece 34.
In this embodiment, the active pins 31 have a two-end stepped shaft structure; the big round end is arranged in the active bolt hole 11 at the lower part; the small round end is arranged above and partially extends out of the active bolt hole 11. In this embodiment, the active latch reset member 32 is an active latch spring. The active bolt spring 32 is sleeved on the circumference of the small end of the active bolt 31, and the lower end is bound on the step surface. The driving pin fixing nut 33 is fixedly connected with one end, namely the upper end, of the driving pin hole 11, which is far away from the driven pin hole 12. And the driving pin fixing nut 33 has a driving pin inner step hole, the upper end of the driving pin spring 32 is abutted against the step surface of the driving pin fixing nut 33, and the driving pin 31 is penetrated out from the driving pin fixing nut 33.
In this embodiment, the active latch stop 34 is an active latch tab. The active bolt pull ring is threaded at one end, i.e. the upper end, of the active bolt hole 11 extending out of the active bolt fixing nut 33.
In this embodiment, the passive plug pin assembly 4 includes: a passive bolt 41 and a passive bolt return 42 and a passive pin retaining nut 43.
In this embodiment, the passive plug 41 has a three-stage stepped shaft structure; the aperture in the middle is large, and the aperture at the two ends is small. The passive bolt hole 12 is a step hole at two ends and is provided with a hole limiting step surface 12a; the shaft limiting step surface 41a at the left end of the passive plug 41 is matched with the hole limiting step surface and can be mutually attached. The passive plug 41 is disposed in the passive plug hole 12 and is movable in the passive plug hole 12. The passive latch reset member 42 is a passive latch spring; is sleeved on the small shaft at the right end. The passive pin fixing nut 43 is fixedly connected with one end, i.e. the right end, of the passive pin hole 12, which is far away from the active pin hole 11 in a meshed manner. The passive pin fixing nut 43 has a passive pin inner stepped hole, and the upper end of the passive plug spring 42 abuts against a stepped surface of the passive pin fixing nut 43, so that the passive plug 41 passes through the active pin fixing nut 43.
In this embodiment, the pull-on male 2 is L-shaped, one end of the L-shape is an insertion end 21, and the insertion end 21 is matched with the insertion slot 13 and can be inserted into the insertion slot 13. The insertion end 21 is provided with a male plug pin hole 22 which penetrates through the insertion end; the male jack 22 is positioned and sized to mate with the active latch 31.
The working process of the pulling mechanism comprises the following steps:
as shown in fig. 4, the female and male trailer heads 1 and 2 are not in a state of being pulled:
when the insertion end 21 of the male connector 2 is not inserted into the insertion slot 13 of the female connector 1, the passive pin 41 occupies a part of the positions of the active pin hole 11 and the insertion slot 13. The hole limiting step surface 12a and the shaft limiting step surface 41a are attached to form a passive limiting mechanism, so that the passive plug 41 is limited to the limit position of the left side in the direction of the insertion groove 13.
At this time, the active bolt 31 is pressed against the passive bolt 41 by the active bolt resetting member 32.
The padlock is pulled by the female pulling head 1 and the male pulling head 2 at the timing of:
when the insertion end 21 of the male connector 2 is inserted into the insertion slot 13 of the female connector 1, the passive latch 41 receives the pushing force of the male connector 2, and the passive latch spring 42 is retracted, as shown in fig. 5.
When the position of the male pin hole 22 on the pulling male head 2 is matched with the active pin hole 11 of the pulling female head 1, the active pin 31 moves downwards and is inserted into the male pin hole 22 under the action of the active pin spring 32, as shown in fig. 6. At this time, the active latch pull ring 34 is clamped on the upper surface of the pulling female head 1, so as to limit the active latch assembly 3 to a downward limit position, i.e. to the direction of the insertion slot 13. .
The female and male pulling heads 1 and 2 are unlocked, and when separated:
the active bolt pull ring 34 is lifted upwards, and when the active bolt 31 is stressed to leave the male bolt hole 22 of the pull male head 2, the passive bolt 41 pushes the pull male head 2 to leave the insertion groove 13 under the action of the passive bolt resetting piece 42.
The pulling mechanism provided by the utility model is suitable for various trailers, the pulling female head 1 and the pulling male head 2 are respectively fixed on two parts of the trailer, and one person operates one action to separate and lock the two parts of the trailer, so that the pulling mechanism is convenient and quick.
The embodiments described above are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (9)
1. A hitch mechanism, characterized in that: the device comprises a pulling female head (1), a pulling male head (2), an active bolt component (3) and a passive bolt component (4);
wherein the pulling female head (1) is provided with an active bolt hole (11) and a passive bolt hole (12);
the active bolt hole (11) and the passive bolt hole (12) are perpendicular to each other and are intersected;
the active bolt assembly (3) comprises an active bolt (31) and an active bolt resetting piece (32); the active bolt (31) is arranged in the active bolt hole (11) and can move in the active bolt hole (11); the active bolt resetting piece (32) drives the active bolt (31) to reset;
the passive bolt assembly (4) comprises a passive bolt (41) and a passive bolt resetting piece (42); the passive bolt (41) is arranged in the passive bolt hole (12) and can move in the passive bolt hole (12); the passive bolt resetting piece (42) drives the passive bolt (41) to reset;
the towing female head (1) is also provided with an insertion groove (13), and the insertion groove (13) is parallel to the passive bolt hole (12) and is provided with an overlapping part; the insertion groove (13) also vertically penetrates through the active bolt hole (11);
one end of the pull-on male head (2) is an insertion end (21), and the insertion end (21) is matched with the insertion groove (13) and can be inserted into the insertion groove (13);
the insertion end (21) is provided with a male pin hole (22) which penetrates through the insertion end; the male pin hole (22) is matched with the active pin (31) in position and size.
2. A hitch mechanism as claimed in claim 1, wherein:
when the insertion end (21) of the pulling male head (2) is not inserted into the insertion groove (13) of the pulling female head (1), the position of the passive bolt (41) occupies the active bolt hole (11), the passive bolt hole (12) and the insertion groove (13); the active bolt (31) is pressed on the passive bolt (41) under the action of the active bolt resetting piece (32);
when the insertion end (21) of the male pulling head (2) is inserted into the insertion groove (13) of the female pulling head (1), the passive plug pin (41) is retracted by the pushing force of the male pulling head (2); when the position of the male pin hole (22) on the pulling male head (2) is matched with the active pin hole (11) of the pulling female head (1), the active pin (31) is inserted into the male pin hole (22);
when the driving bolt (31) is stressed to leave the male bolt hole (22) of the pulling male head (2), the driven bolt (41) pushes the pulling male head (2) to leave the inserting groove (13) under the action of the driven bolt resetting piece (42).
3. A hitch mechanism as claimed in claim 1, wherein:
wherein the active bolt assembly (3) further comprises an active bolt fixing nut (33);
the driving pin fixing nut (33) is in meshed connection with one end, far away from the driven pin hole (12), of the driving pin hole (11);
the active bolt (31) is of a step shaft structure;
the active bolt resetting piece (32) is an active bolt spring;
the active bolt spring is positioned between the step surface of the active bolt (31) and the active bolt fixing nut (33).
4. A hitch mechanism as claimed in claim 3, wherein:
wherein the active bolt component (3) further comprises an active bolt limiting piece (34);
one end of the driving bolt (31) extends out of the driving bolt fixing nut (33);
the active bolt limiting piece (34) is arranged at one end of the active bolt (31) extending out of the active bolt fixing nut (33) and limits the limit position of the active bolt component (3) to the direction of the insertion groove (13).
5. A hitch mechanism as claimed in claim 4, wherein:
wherein the active bolt limiting piece (34) is an active bolt pull ring;
the active bolt pull ring is penetrated at one end of the active bolt hole (11) extending out of the active bolt fixing nut (33).
6. A hitch mechanism as claimed in claim 1, wherein:
wherein the passive bolt assembly (4) further comprises a passive pin fixation nut (43);
the passive pin fixing nut (43) is in meshed connection with one end, far away from the active pin hole (11), of the passive pin hole (12);
the passive bolt (41) is of a step shaft structure;
the passive bolt resetting piece (42) is a passive bolt spring;
the passive bolt spring is located between the step surface of the passive bolt (41) and the passive bolt fixing nut (43).
7. A hitch mechanism as claimed in claim 6, wherein:
wherein the passive plug pin assembly (4) is provided with a passive limiting mechanism;
the passive limiting mechanism limits the limit position of the passive plug pin (41) in the direction of the insertion groove (13).
8. A hitch mechanism as claimed in claim 7, wherein:
wherein the passive bolt hole (12) is provided with a hole limiting step surface (12 a);
the passive plug pin (41) is provided with a shaft limiting step surface (41 a);
the hole limiting step surface (12 a) and the shaft limiting step surface (41 a) are matched and can be mutually attached to form a passive limiting mechanism, and limit positions of the passive pins (41) in the direction of the insertion grooves (13) are limited.
9. A hitch mechanism as claimed in any one of claims 1 to 8, in which:
the trailer comprises a trailer body, a trailer female head (1) and a trailer male head (2), wherein the trailer female head (1) and the trailer male head (2) are respectively fixed on two parts of the trailer body, so that the two parts of the trailer body are separated and locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223537450.3U CN219749427U (en) | 2022-12-28 | 2022-12-28 | Pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223537450.3U CN219749427U (en) | 2022-12-28 | 2022-12-28 | Pulling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219749427U true CN219749427U (en) | 2023-09-26 |
Family
ID=88091672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223537450.3U Active CN219749427U (en) | 2022-12-28 | 2022-12-28 | Pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219749427U (en) |
-
2022
- 2022-12-28 CN CN202223537450.3U patent/CN219749427U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69302295T2 (en) | Two-stage rivet | |
| US4915642A (en) | Trouble-free connector with lock mechanism | |
| DE102006035654B4 (en) | Connector, connector assembly and assembly method | |
| US3912119A (en) | Trailer hitch | |
| DE102012212595A1 (en) | Elastikrohrausrichtungssystem for precise arrangement of components | |
| CN112909656B (en) | Push-and-pull locking plug and push-and-pull locking connecting assembly | |
| US4176854A (en) | Connection facilitating hitch | |
| EP3553894B1 (en) | Connection structure and connector | |
| DE60100355T2 (en) | Connectors and assembly procedures therefor | |
| CN219749427U (en) | Pulling mechanism | |
| DE102013015513A1 (en) | Spring latch type connector and assembly method therefor | |
| DE10216640B4 (en) | Split connector and method of connecting a split connector to a mating connector | |
| DE112017002195B4 (en) | Electrical connection device having a connection detection function | |
| EP3390119B1 (en) | Coupling device with aligning components which can be fixed to one another | |
| DE10317297B4 (en) | Interconnects | |
| CN210126401U (en) | Automatic clamping structure of dragging mechanism and vehicle dragging mechanism | |
| EP3132503B1 (en) | Insulating housing of an electrical terminal device | |
| DE10223237A1 (en) | Connection detection connector | |
| CN109411954B (en) | Plug connector convenient for locking and unlocking | |
| DE102008010033A1 (en) | Connector and assembly method therefor | |
| DE10313594A1 (en) | Connector and connector assembly | |
| DE102013225501A1 (en) | High Voltage Connectors | |
| CN110730727A (en) | Automatic locking hook connector | |
| DE102022110197A1 (en) | Connector and connector assembly | |
| DE19833223A1 (en) | Gas generator plug-in electrical connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |