CN220395431U - Door locking mechanism, cab and working machine - Google Patents
Door locking mechanism, cab and working machine Download PDFInfo
- Publication number
- CN220395431U CN220395431U CN202321847497.1U CN202321847497U CN220395431U CN 220395431 U CN220395431 U CN 220395431U CN 202321847497 U CN202321847497 U CN 202321847497U CN 220395431 U CN220395431 U CN 220395431U
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- cab
- lock
- lock body
- locking mechanism
- door locking
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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 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
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to the technical field of engineering machinery and provides a vehicle door locking mechanism, a cab and an operation machine, wherein the vehicle door locking mechanism comprises a lock catch, a lock body and a protective door, the lock catch is arranged on the outer wall of a vehicle door of the cab, the lock body is arranged on a housing of the cab, and when the vehicle door of the cab is in an open state, the lock catch is locked with the lock body; the guard gate sets up on the outer wall of driver's cabin casing, and the guard gate is used for covering the lock body, is provided with the opening that supplies the hasp to pass through on the guard gate. The lock body is arranged outside the cab shell, and the interior trim of the cab is not required to be disassembled when the lock body is replaced or maintained, so that the maintenance convenience of the lock body and the sealing performance of the cab can be effectively improved; and the protective door is arranged outside the lock body, so that the lock body can be effectively protected, and the service life of the lock body is prolonged.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a vehicle door locking mechanism, a cab and a working machine.
Background
The cab door of the engineering machinery has the requirement of locking backwards and keeping the door in a normally open state, and the function is realized by arranging a rear latch lock body on the rear side of the cab and arranging a lock catch on the door, and locking the door through the collision of the lock catch and the rear latch lock body when the door is opened.
However, in the related art, a through hole needs to be formed in the cab housing, and the lock body is installed from the inside to the outside of the cab through the through hole, so that a gap is easily formed between the lock body and the wall of the through hole of the cab housing, and there is a risk of water leakage; when the lock body is maintained, the interior decoration of the cab needs to be disassembled; and the lock body is exposed outside the cab, so that the lock body is lack of protection, rainwater and the like easily enter the lock body or easily collide with external objects, and the service life of the lock body is reduced.
Disclosure of Invention
The utility model provides a vehicle door locking mechanism, a cab and an operation machine, which are used for solving the defects that in the prior art, the lock body is installed from the inside of the cab to the outside through a through hole, the risk of water leakage exists, the interior trim of the cab needs to be disassembled when the lock body is maintained, and the service life of the lock body is shortened due to the fact that the lock body is exposed outside the cab and lack of protection.
The present utility model provides a door locking mechanism comprising:
the lock catch is arranged on the outer wall of the cab door;
the lock body is arranged on the cab shell, and the lock catch is locked with the lock body when the cab door is in an open state;
the protection door is arranged on the outer wall of the cab shell and used for covering the lock body, and an opening for the lock catch to pass through is formed in the protection door.
According to the present utility model, there is provided a door locking mechanism, further comprising:
the unlocking component is arranged in the cab and used for driving the lock tongue of the lock body to be separated from the lock catch, and the unlocking component is connected with the lock tongue of the lock body.
According to the present utility model, there is provided a door locking mechanism, the unlocking assembly comprising:
the handle is rotatably arranged on the inner wall of the cab shell;
the first end of the pull rope is connected with the lock tongue, and the second end of the pull rope is connected with the handle;
when the handle rotates to a preset angle, the pull rope pulls the lock tongue to be separated from the lock catch.
According to the utility model, the lock body further comprises:
the toggle piece is used for being rotatably arranged on the cab shell and used for driving the lock tongue to move so that the lock tongue is connected with or separated from the lock catch; the first end of the pull rope is connected with the stirring piece so as to drive the stirring piece to rotate;
when the stirring piece rotates to a first state, the stirring piece drives the lock tongue to move to a first position, and the lock tongue can be connected with the lock catch;
when the stirring piece rotates to a second state, the stirring piece drives the lock tongue to move to a second position, and the lock tongue is separated from the lock catch.
According to the vehicle door locking mechanism provided by the utility model, the lock body further comprises an elastic piece, and the elastic piece is used for driving the toggle piece to return to the first state.
According to the vehicle door locking mechanism provided by the utility model, the first end of the pull rope penetrates through the through hole of the cab shell and is connected with the lock tongue.
According to the present utility model, there is provided a door locking mechanism, further comprising:
the first sealing piece is used for sealing the through hole, a through hole for the pull rope to pass through is formed in the first sealing piece, and the through hole is sealed with the pull rope relatively.
According to the vehicle door locking mechanism provided by the utility model, the lock catch and the lock body are in collision locking under the state that the vehicle door of the cab is opened by 180 degrees.
According to the vehicle door locking mechanism provided by the utility model, the lock body is connected with the cab shell through the mounting plate.
The utility model also provides a cab comprising a door locking mechanism as claimed in any one of the preceding claims.
The utility model also provides a work machine comprising a door locking mechanism as described in any one of the above or a cab as described above.
The utility model provides a vehicle door locking mechanism, a cab and a working machine, wherein the vehicle door locking mechanism comprises a lock catch, a lock body and a protective door, wherein the lock catch is arranged on the outer wall of a vehicle door of the cab, the lock body is arranged on the outer wall of a housing of the cab, and when the vehicle door of the cab is in an open state, the lock catch and the lock body are locked, so that the vehicle door of the cab can be locked on the housing of the cab when the working machine works, and the vehicle door of the cab can be prevented from being closed or swayed; the guard gate sets up on the outer wall of driver's cabin casing, is provided with the opening on the guard gate for supply the hasp to pass through, so that the hasp is connected with the lock body, and the guard gate can be used for covering the lock body, and protects the lock body, avoids the lock body to be knocked with or the lock body intakes etc. be favorable to improving the life of lock body.
The lock body is arranged outside the cab shell, and the interior trim of the cab is not required to be disassembled when the lock body is replaced or maintained, so that the maintenance convenience of the lock body and the sealing performance of the cab can be effectively improved; and the protective door is arranged outside the lock body, so that the lock body can be effectively protected, and the service life of the lock body is prolonged.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of a cab provided by the present utility model;
FIG. 2 is a side view of the cab (hidden guard door) provided by the present utility model;
FIG. 3 is a schematic view of the handle and pull cord of the door locking mechanism provided by the present utility model on the interior wall of the cab housing;
FIG. 4 is a schematic view of the structure of the door locking mechanism (hidden latch) provided by the present utility model;
FIG. 5 is a top view of the door locking mechanism (hidden latch) provided by the present utility model;
FIG. 6 is a front view of a latch provided by the present utility model;
FIG. 7 is a block diagram of a latch provided by the present utility model;
fig. 8 is an enlarged view of the lock body provided by the present utility model.
Reference numerals:
1. cab door; 2. a cab housing; 3. locking;
4. a lock body; 5. a handle; 6. a pull rope;
7. a first seal; 8. a protective door; 9. an opening;
10. a second seal; 11. a toggle member; 12. a bolt;
13. a mounting plate; 14. and an anti-collision piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. 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.
The door lock mechanism, the cab, and the work machine of the present utility model are described below with reference to fig. 1 to 8.
As shown in fig. 4 to 8, the vehicle door locking mechanism provided by the utility model may include a lock catch 3 and a lock body 4.
Wherein, hasp 3 can set up on the outer wall of driver's cabin door 1, and lock body 4 can set up on the outer wall of driver's cabin casing 2 to when driver's cabin door 1 is in the open condition, hasp 3 and lock body 4 can lock mutually. Thus, the cab door 1 can be locked to the cab housing 2 when the construction machine is in operation, and the cab door 1 can be prevented from closing or rattling.
Here, when the cab door 1 is opened 180 °, the shackle 3 and the lock body 4 may collide and lock.
In addition, the door locking mechanism may further include a protective door 8, the protective door 8 may be provided on an outer wall of the cab housing 2, and the protective door 8 may be used to cover the lock body 4. Like this, guard gate 8 can protect lock body 4, avoids lock body 4 to be knocked with or lock body 4 intakes etc. is favorable to improving lock body 4's life.
And, the guard door 8 may be provided with an opening 9, and the opening 9 may be used for the passage of the lock catch 3, so that the lock catch 3 is connected with the lock body 4.
By the arrangement, the lock body 4 is arranged outside the cab shell 2, and the interior trim of the cab is not required to be disassembled when the lock body 4 is replaced or the lock body 4 is maintained, so that the maintenance convenience of the lock body 4 and the sealing performance of the cab can be effectively improved; and the protective door 8 is arranged outside the lock body 4, so that the lock body 4 can be effectively protected, and the service life of the lock body 4 is prolonged.
In alternative embodiments, the guard door 8 may be provided on the cab housing 2 by a hinge to be openable and closable, or the guard door 8 may be provided on the cab housing 2 detachably. In this way, maintenance or replacement of the lock body 4 is facilitated.
In an alternative embodiment, the protection door 8 may be provided with an anti-collision member 14, and the anti-collision member 14 may be disposed on a side of the protection door 8 away from the cab housing 2, that is, the anti-collision member 14 may be disposed on an outer side of the protection door 8, and when the lock catch 3 and the lock body 4 are locked, the cab door 1 collides with the anti-collision member 14, and the anti-collision member 14 may play a buffering role on the cab door 1, so as to prevent the cab door 1 from colliding with the protection door 8, which may play a protection role on the cab door 1, and also play a protection role on the protection door 8.
Here, the bump guard 14 may be made of a flexible material.
It should be noted that, the thickness of the anti-collision member 14 may be smaller than the thickness of the latch 3 protruding from the cab door 1, so as to ensure that the anti-collision member 14 does not affect the locking of the latch 3 and the lock body 4.
In an alternative embodiment of the utility model, the door locking mechanism may further comprise an unlocking assembly, which may be provided in the cab, and which may be used to drive the bolt 12 of the lock body 4 away from the striker 3 to effect unlocking for the cab door 1 to close.
Here, the unlocking assembly may be connected with the tongue 12 of the lock body 4.
In an alternative embodiment, the lock body 4 may include a latch tongue 12, and when the cab door 1 is in an open state, the latch tongue 12 may be plugged into the latch 3 to achieve locking of the lock body 4 and the latch 3.
Specifically, the latch 3 may have a U-shaped structure, and a locking hole may be formed between the latch 3 and the cab door 1, and the tongue 12 may be inserted into or pass through the locking hole.
In an alternative embodiment, the unlocking assembly may comprise a handle 5 and a pull cord 6, the handle 5 may be rotatably arranged on the inner wall of the cab housing 2, a first end of the pull cord 6 may be connected with the bolt 12, a second end of the pull cord 6 may be connected with the handle 5, and rotating the handle 5 may pull the pull cord 6.
When the handle 5 rotates to a preset angle, the pull rope 6 can pull the lock tongue 12, so that the lock tongue 12 is separated from the lock catch 3, and unlocking is realized.
Here, the handle 5 is provided inside the cab housing 2, and an operator can unlock the door lock mechanism directly inside the cab, facilitating closing of the cab door 1.
It should be noted that, the preset angle herein may refer to an angle that the handle 5 rotates when the pull cord 6 pulls the lock tongue 12 to separate from the lock catch 3, and is not limited in particular.
In this embodiment, the handle 5 may be provided close to the cab door 1 for the convenience of the operator's operation.
In an alternative embodiment, the lock body 4 may be connected to the cab housing 2 by a mounting plate 13. This facilitates the removal and installation of the lock body 4.
In an alternative embodiment, the lock body 4 may further include a striking member 11, where the striking member 11 may be used to be rotatably disposed on the cab housing 2, and the striking member 11 may drive the lock tongue 12 to move axially along the striking member, so that the lock tongue 12 is connected to or separated from the lock catch 3, so as to achieve locking and unlocking.
Specifically, when the stirring member 11 rotates to the first state, the stirring member 11 can drive the lock tongue 12 to move to the first position, and at this time, the lock tongue 12 can be connected with the lock catch 3, so as to realize locking of the lock body 4 and the lock catch 3.
When the stirring piece 11 rotates to the second state, the stirring piece 11 can drive the lock tongue 12 to move to the second position, and at the moment, the lock tongue 12 can be separated from the lock catch 3, so that the lock body 4 and the lock catch 3 are unlocked.
Here, the first end of the pull rope 6 may be connected to the toggle member 11, and the pull rope 6 may drive the toggle member 11 to rotate from the first state to the second state, so that the lock tongue 12 moves from the first position to the second position, and separation between the lock tongue 12 and the lock catch 3 is achieved.
In this embodiment, the pull cord 6 may further be provided with a second sealing element 10, where the second sealing element 10 may be disposed near the first end of the pull cord 6, and the second sealing element 10 may seal a gap between the protection door 8 and the pull cord 6, so as to avoid external rainwater or dust entering into the lock body 4.
In an alternative embodiment, the lock body 4 may further include an elastic member, where the elastic member may be used to drive the toggle member 11 to return to the first state, so that the toggle member 11 drives the lock tongue 12 to move to the first position, so that the lock tongue 12 may be connected with the lock catch 3, and locking between the lock body 4 and the lock catch 3 is achieved.
In this embodiment, the striking member 11 may be rotatably connected with the cab housing 2 through a rotation shaft, specifically, the striking member 11 may be rotatably connected with the mounting plate 13 through a rotation shaft, and the elastic member may be a torsion spring, which may be disposed on the rotation shaft and connected with the striking member 11, so as to be capable of driving the striking member 11 to reset.
In an alternative embodiment, the lock body 4 may further include a lever, a first end of the lever is connected to the striking member 11, the lever may be rotatably disposed in the lock body 4, and a second end of the lever may be connected to the tongue 12.
When the pulling rope 6 pulls the stirring piece 11 to rotate from the first state to the second state, the stirring piece 11 can drive the stirring rod to rotate along the first direction, and the stirring rod can drive the lock tongue 12 to move in the direction away from the lock catch 3, so that the lock tongue 12 moves to the second position, and the lock tongue 12 is separated from the lock catch 3.
When the elastic piece drives the stirring piece 11 to rotate from the second state to the first state, the stirring piece 11 can drive the stirring rod to rotate along the second direction, and the stirring rod can drive the lock tongue 12 to return to the first position.
In an alternative embodiment, the cab housing 2 may be provided with a through hole, and the first end of the pull cord 6 may be connected to the tongue 12 through the through hole of the cab housing 2.
In an alternative embodiment, the door locking mechanism may further comprise a first seal 7, the first seal 7 may be used to seal the via, and a through hole may be provided in the first seal 7 for the pull cord 6 to pass through. Here, the through hole and the pulling rope 6 may be sealed relatively. In this way, outside rainwater, dust or the like can be prevented from entering the cab through the through hole.
The first seal member 7 and the second seal member 10 may be rubber sleeves.
The utility model provides a vehicle door locking mechanism, which mainly comprises a lock catch 3, a lock body 4, a handle 5, a pull rope 6 and a first sealing piece 7, wherein the handle 5 is arranged on the inner wall of a cab shell 2, the lock body 4 and a mounting plate 13 form a lock body assembly together and are integrally fixed on the outer wall of the cab shell 2, a first end of the pull rope 6 passes through a through hole of the cab shell 2 to be connected with a stirring piece 11 of the lock body 4, a second end of the pull rope 6 is connected with the handle 5, and the first sealing piece 7 is clamped at the through hole to seal the through hole so as to prevent external rainwater and the like from entering the cab through the through hole; the lock catch 3 is arranged on the outer wall of the cab door 1, the protective door 8 is arranged on the outer wall of the cab shell 2 to cover the lock body 4, and the protective door 8 is provided with an opening 9 for the lock catch 3 to pass through, so that the lock body 4 and the lock catch 3 can be locked.
When the cab door 1 is closed backwards, namely when the cab door 1 is completely opened, the lock catch 3 collides with the lock body 4, so that the lock catch 3 is inserted into the lock tongue 12 of the lock body 4, the locking function is realized, and the cab door 1 is locked on the cab shell 2.
When unlocking is needed, an operator rotates the handle 5, so that the handle 5 pulls the pull rope 6, the pull rope 6 pulls the stirring piece 11 to rotate to a second state, the lock tongue 12 moves to a second position, and the separation of the lock tongue 12 and the lock catch 3 is realized, so that the unlocking function of the lock catch 3 and the lock body 4 is realized.
The cab provided by the utility model will be described below, and the cab described below and the door locking mechanism described above may be referred to correspondingly.
The cab provided by the utility model can comprise the vehicle door locking mechanism according to any one of the embodiments.
The beneficial effects achieved by the cab provided by the utility model are consistent with those achieved by the vehicle door locking mechanism provided by the utility model, and will not be described in detail herein.
The present utility model will be described below with reference to a work machine, which is described below with reference to the door locking mechanism or cab described above.
The utility model provides a working machine which can comprise the vehicle door locking mechanism according to any embodiment or the cab according to any embodiment.
The beneficial effects achieved by the working machine provided by the utility model are consistent with those achieved by the vehicle door locking mechanism or the cab provided by the utility model, and are not repeated here.
The work machine may be a pump truck, an excavator, a crane, a loader, or other construction machines.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A door locking mechanism, comprising:
the lock catch is arranged on the outer wall of the cab door;
the lock body is arranged on the cab shell, and the lock catch is locked with the lock body when the cab door is in an open state;
the protection door is arranged on the outer wall of the cab shell and used for covering the lock body, and an opening for the lock catch to pass through is formed in the protection door.
2. The vehicle door locking mechanism of claim 1, further comprising:
the unlocking component is arranged in the cab and used for driving the lock tongue of the lock body to be separated from the lock catch, and the unlocking component is connected with the lock tongue of the lock body.
3. The vehicle door locking mechanism of claim 2, wherein the unlocking assembly comprises:
the handle is rotatably arranged on the inner wall of the cab shell;
the first end of the pull rope is connected with the lock tongue, and the second end of the pull rope is connected with the handle;
when the handle rotates to a preset angle, the pull rope pulls the lock tongue to be separated from the lock catch.
4. The vehicle door locking mechanism of claim 3, wherein the lock body further comprises:
the toggle piece is used for being rotatably arranged on the cab shell and used for driving the lock tongue to move so that the lock tongue is connected with or separated from the lock catch; the first end of the pull rope is connected with the stirring piece so as to drive the stirring piece to rotate;
when the stirring piece rotates to a first state, the stirring piece drives the lock tongue to move to a first position, and the lock tongue can be connected with the lock catch;
when the stirring piece rotates to a second state, the stirring piece drives the lock tongue to move to a second position, and the lock tongue is separated from the lock catch.
5. The vehicle door locking mechanism of claim 4, wherein the lock body further comprises an elastic member for driving the toggle member back to the first state.
6. The vehicle door locking mechanism of claim 3 wherein the first end of the pull cord is coupled to the latch bolt through a via of the cab housing.
7. The vehicle door locking mechanism of claim 6, further comprising:
the first sealing piece is used for sealing the through hole, a through hole for the pull rope to pass through is formed in the first sealing piece, and the through hole is sealed with the pull rope relatively.
8. The door locking mechanism according to claim 1, wherein the striker is collision-locked with the lock body in a state in which the cab door is opened by 180 °.
9. A cab comprising a door locking mechanism as claimed in any one of claims 1 to 8.
10. A work machine comprising a door locking mechanism as claimed in any one of claims 1 to 8 or a cab as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847497.1U CN220395431U (en) | 2023-07-13 | 2023-07-13 | Door locking mechanism, cab and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847497.1U CN220395431U (en) | 2023-07-13 | 2023-07-13 | Door locking mechanism, cab and working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395431U true CN220395431U (en) | 2024-01-26 |
Family
ID=89611454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847497.1U Active CN220395431U (en) | 2023-07-13 | 2023-07-13 | Door locking mechanism, cab and working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395431U (en) |
-
2023
- 2023-07-13 CN CN202321847497.1U patent/CN220395431U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |