CN216690708U - Special vehicle door lock with three-locking structure - Google Patents
Special vehicle door lock with three-locking structure Download PDFInfo
- Publication number
- CN216690708U CN216690708U CN202123109058.4U CN202123109058U CN216690708U CN 216690708 U CN216690708 U CN 216690708U CN 202123109058 U CN202123109058 U CN 202123109058U CN 216690708 U CN216690708 U CN 216690708U
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- China
- Prior art keywords
- rack
- locking
- seat
- interior handle
- control gear
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a special vehicle door lock with a three-locking structure, which comprises a lock body assembly, an upper locking part, a lower locking part and a middle locking part, wherein the lock body assembly comprises a base, an upper rack and a lower rack which can slide up and down, a middle rack which can slide left and right, an external control gear and an internal control gear which are meshed with each other, a shifting block for pressing the lower rack to move up and an external handle for driving the shifting block to rotate are arranged on the base, the lower rack and the upper rack are meshed with the external control gear to enable the upper rack and the lower rack to move reversely, the lower rack is connected with the lower locking part, the upper rack is connected with the upper locking part, the middle rack is meshed with the internal control gear to enable the middle rack to be linked with the lower rack, and the middle rack is connected with the middle locking part. The utility model has the advantages of simple and stable structure and looseness prevention.
Description
Technical Field
The utility model belongs to the technical field of vehicle door locks, and particularly relates to a special vehicle door lock with a three-locking structure.
Background
Special vehicles are vehicles for special purposes which have an overall size, weight and the like exceeding the design vehicle limits and are specially made or specially modified and provided with fixed equipment. However, the general special vehicle may generate impact or vibration during the task, and the impact or vibration may easily cause the door to loosen, thereby affecting the safety of the personnel in the vehicle, and the stability of the general vehicle door lock is poor and cannot cope with the impact or vibration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the special vehicle door lock with the three-locking structure, the stability of a vehicle door is good, and the vehicle door can be effectively prevented from being loosened due to impact.
The technical scheme of the utility model is as follows:
the special vehicle door lock with the three-locking structure comprises a lock body assembly, an upper locking component, a lower locking component and a middle locking component, wherein the lock body assembly comprises a base, an upper rack and a lower rack which can slide up and down, a middle rack which can slide left and right, an external control gear and an internal control gear which are meshed with each other, a shifting block which presses the lower rack to move up and an external handle which drives the shifting block to rotate are arranged on the base, the lower rack and the upper rack are meshed with the external control gear to enable the upper rack and the lower rack to move in opposite directions, the lower rack is connected with the lower locking component, the upper rack is connected with the upper locking component, the middle rack is meshed with the internal control gear to enable the middle rack to be linked with the lower rack, and the middle rack is connected with the middle locking component.
Furthermore, the thickness of the external control gear is larger than that of the internal control gear, so that the internal control gear and the upper rack are arranged in a front-back staggered manner.
Further, go up rack, lower rack, well rack and all be in through the guide post setting on the base, all set up the confession on last rack, lower rack, the well rack the bar hole that the guide post passed, all be provided with the limiting plate on the guide post.
Furthermore, the locking part comprises an upper lock pin, an upper fixing seat and an upper locking seat, the upper lock pin is connected with the upper rack through a locking pull rod, the upper lock pin penetrates through the upper fixing seat and extends into the upper locking seat, a sleeve fixedly connected with the upper fixing seat is sleeved outside the upper lock pin, a spring is arranged in the sleeve, a limiting part in contact with the upper end of the spring is arranged on the upper lock pin, an inclined plane part is arranged at the upper end of the upper lock pin, and a guide part for the inclined plane part to slide through is arranged on the upper locking seat.
Further, the lower locking member and the upper locking member are disposed vertically symmetrically.
Further, the middle locking part comprises a middle locking pin, a middle fixed seat and a middle locking seat, the middle locking pin is connected with the middle rack, and the middle locking pin penetrates through the middle fixed seat and extends into the middle locking seat.
Further, be connected with interior handle part on the well rack, interior handle part includes interior handle seat, interior handle torsional spring, interior handle, wear to be equipped with on the interior handle seat and run through the pivot of interior handle, interior handle torsional spring cover is established in the pivot, the both ends of interior handle torsional spring are passed and the crimping is in on the interior handle seat, be fixed with the pulling piece on the interior handle, pulling piece and well rack are connected through interior pull rod, set up the confession on the pulling piece the recess that interior handle torsional spring passed.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the lock body assembly is arranged to connect the upper locking part, the middle locking part and the lower locking part to reinforce the door lock, so that the stability of the door lock is improved, the door lock is effectively prevented from being loosened when being impacted or vibrated, and the safety of the door lock is further improved; the lock body assembly is internally connected with the rack through the gear, the three locking parts can be effectively controlled by the outer handle at the same time, and the connecting structure is simple and convenient to use.
In a word, the utility model has the advantages of simple and stable structure and looseness prevention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the base removed;
FIG. 3 is a cross-sectional view of an upper locking structure of the present invention;
FIG. 4 is a schematic view of the construction of the inner handle member of the present invention;
FIG. 5 is a schematic structural diagram of the middle locking seat of the present invention.
In the figure, 1, a base, 2, a lower rack, 3, a toggle block, 4, an outer handle, 5, a middle rack, 6, an upper rack, 7, an external control gear, 8, an internal control gear, 9, an internal handle pull rod, 10, a locking pull rod, 11, a middle fixed seat, 12, a middle locking seat, 1201, an arc-shaped chute, 1202, a convex part 13, a middle lock pin, 14, a pin shaft, 15, a connecting plate, 16, an upper lock pin, 1601, a limiting part, 1602, an inclined plane part, 17, an upper fixed seat, 18, a spring, 19, an upper locking seat, 1901, a guide part, 20, an internal handle, 21, a toggle block, 22, an internal handle torsion spring, 23, a sleeve, 24, a snap plate, 2401, a snap block part, 25 and a return elastic sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a special vehicle door lock with a triple-locking structure comprises a lock body assembly, an upper locking component, a lower locking component and a middle locking component, the lock body assembly comprises a base 1, an upper rack 6 and a lower rack 2 which can slide up and down, a middle rack 5 which can slide left and right, an external control gear 7 and an internal control gear 8 which are meshed with each other, the base 1 is provided with a shifting block 3 for pressing the lower rack 2 to move upwards and an outer handle 4 for driving the shifting block 3 to rotate, the lower rack 2 and the upper rack 6 are meshed with the external control gear 7 to enable the upper rack 6 and the lower rack 2 to move in opposite directions, the lower rack 2 is connected to the lower locking member, the upper rack 6 is connected to the upper locking member, the middle rack 5 is meshed with the internal control gear 8 to enable the middle rack 5 and the lower rack 2 to be linked, and the middle rack 5 is connected with the middle locking part;
when the door needs to be opened, after the outer handle 4 is pulled downwards, the shifting block 3 is rotated, so that the shifting block 3 presses the lower rack 2 to move upwards, the lower locking part connected with the lower rack 2 is opened, the outer control gear 7 rotates along with the movement of the lower rack 2, the upper rack 6 moves downwards, the upper locking part connected with the upper rack 6 is opened, the inner control gear 8 rotates to drive the middle rack 5 to slide leftwards, and the middle locking part connected with the middle rack 5 is opened;
specifically, a rotatable rotating rod penetrates through the base 1, one end of the outer handle 4 is fixed on the rotating rod, the poking block 3 is coaxially and rotatably arranged on the rotating rod, one end of the poking block 3 can be in contact with the lower rack 2, when the outer handle 4 is pulled, the rotating rod rotates, the poking block 3 rotates along with the rotating rod, and therefore the poking block 3 presses the lower rack 2 to move upwards;
specifically, a toggle guide hole is formed in the lower rack 2, and the toggle block 3 penetrates through the toggle guide hole and abuts against the upper end of the toggle guide hole;
specifically, a side of base 1 outside handle 4 is provided with the mounting groove and covers the apron on the mounting groove, set up the lower rack guiding hole that supplies rack 2 to pass on the upper and lower both ends of mounting groove, lower rack guiding hole leads to the upper and lower both ends of rack 2 down, and the upper and lower both ends of rack 2 are narrower than the middle part of rack 2 down simultaneously, and the width in lower rack guiding hole at 2 middle parts of lower rack to rack guiding hole plays limiting displacement under can't passing in the middle part of lower rack 2, it is used for leading and spacing to the upper and lower slip of last rack to be provided with rack guiding hole on the last even terminal surface of mounting groove, the both ends of well rack 5 run through the mounting groove.
In this embodiment, the thickness of the external control gear 7 is greater than that of the internal control gear 8, so that the internal control gear 8 and the upper rack 6 are arranged in a staggered manner from front to back, and the lower rack 2 and the upper rack 6 are arranged in the same plane;
preferably, the thickness of the external control gear 7 is greater than the sum of the thickness of the internal control gear 8 and the thickness of the upper rack 6, the internal control gear 8 is located at the rear side of the upper rack 6, and a gap exists between the internal control gear 8 and the upper rack 6, so that interference between the internal control gear 8 and the upper rack 6 can be prevented, and the size of the external control gear 7 can be reduced to save space.
In this embodiment, as shown in fig. 1, the upper rack 6, the lower rack 2, and the middle rack 5 are all disposed on the base 1 through guide posts, the upper rack 6, the lower rack 2, and the middle rack 5 are all provided with strip-shaped holes for the guide posts to pass through, and the guide posts are all provided with limiting plates;
specifically, the limiting plate is two and is located respectively the both sides in bar hole, and guide post and limiting plate provide the guide effect for the slip of going up rack 6, lower rack 2, well rack 5, have less clearance between guide post and the bar hole, can prevent rocking of going up rack 6, lower rack 2, well rack 5 when satisfying guide post and bar hole and taking place relative slip.
In this embodiment, as shown in fig. 3, the locking component includes an upper lock pin 16, an upper fixing seat 17, and an upper locking seat 19, the upper lock pin 16 is connected to the upper rack 6 through a locking pull rod 10, the upper lock pin 16 penetrates through the upper fixing seat 17 and extends into the upper locking seat 19, a sleeve 23 fixedly connected to the upper fixing seat 17 is sleeved on the upper lock pin 16, a spring 18 is disposed in the sleeve 23, a stopper 1601 contacting with an upper end of the spring 18 is disposed on the upper lock pin 16, a slope 1602 is disposed at an upper end of the upper lock pin 16, and a guide 1901 for the slope 1602 to slide through is disposed on the upper locking seat 19;
specifically, the upper fixed seat 17 is fixed on the upper part of the vehicle door, the upper locking seat 19 is fixed on a door frame or a vehicle body matched with the vehicle door, two ends of the locking pull rod 10 are respectively hung on the upper rack 6 and the upper lock pin 16, when the door is opened, the upper rack 6 pulls the locking pull rod 10 downwards, so that the upper lock pin 16 slides downwards to separate the upper lock pin 16 from the upper locking seat 19, and the upper locking part is opened; when the door needs to be closed, the ramp 1602 on the upper lock pin 16 contacts and presses the guide 1901 on the upper lock seat 19, and then the upper lock pin 16 slides downward and presses the spring 18 until the upper lock pin 16 is located in the upper lock seat 19, the spring 18 returns to bounce the upper lock pin 16, and the upper lock component is locked.
In this embodiment, the lower locking component and the upper locking component are arranged in a vertically symmetrical manner, the lower locking component and the upper locking component have the same structure, and are only arranged in different directions, which is not described again, and the lower locking component includes a lower lock pin, a lower fixing seat, and a lower locking seat.
In this embodiment, as shown in fig. 2, the middle locking component includes a middle locking pin 13, a middle fixing seat 11, and a middle locking seat 12, the middle locking pin 13 is connected with the middle rack 5, and the middle locking pin 13 penetrates through the middle fixing seat 11 and extends into the middle locking seat 12;
specifically, the middle fixed seat 17 is fixed in the middle of the vehicle door, the middle locking seat 19 is fixed on a door frame or a vehicle body matched with the vehicle door, a connecting plate 15 is arranged at the joint of the middle rack 5 and the middle locking pin 13, the connecting plate 15 is fixedly connected with the middle locking pin 13 or connected with the middle locking pin 13 through a pin shaft 14, the middle locking pin 13 is pulled through the middle rack 5 when the door is opened until the middle locking pin 13 is pulled out of the middle locking seat 19, and the middle locking component is unlocked;
as shown in fig. 5, two arc-shaped sliding grooves 1201 which are arranged oppositely are formed in the middle locking seat 12, a rotatable clamping plate 24 is arranged in each arc-shaped sliding groove 1201, a return elastic sheet 25 is arranged between each clamping plate 24 and each arc-shaped sliding groove 1201, a protruding portion 1202 is arranged at an opening of each arc-shaped groove, a clamping block portion 2401 is arranged on each clamping plate 24, and each clamping block portion 2401 is limited by the corresponding protruding portion 1202 to prevent each clamping plate 24 from sliding out of each arc-shaped groove;
when the door is closed to needs, with the side inside slip of locking seat 12 in the slide bar, extrusion cardboard 24, cardboard 24 slides to both sides, breaks away from until sliding block and cardboard 24, and then cardboard 24 resets cardboard 24 owing to the effect that receives return shell fragment 25, and when the pulling door, cardboard 24 receives the spacing of bellying 1202, thereby the slide bar receives the spacing unable door of opening of cardboard 24, pins the door.
In this embodiment, as shown in fig. 4, an inner handle part is connected to the middle rack 5, the inner handle part includes an inner handle seat, an inner handle torsion spring 22, and an inner handle 20, a rotating shaft penetrating through the inner handle 20 is disposed on the inner handle seat, the inner handle torsion spring 22 is sleeved on the rotating shaft, two ends of the inner handle torsion spring 22 penetrate through and are in pressure contact with the inner handle seat, a pulling block 21 is fixed on the inner handle 20, the pulling block 21 and the middle rack 5 are connected by an inner opening pull rod, and a groove for the inner handle torsion spring 22 to penetrate through is disposed on the pulling block 21;
when the door is opened from the inside of the vehicle, the inner handle 20 is pulled outwards, the pulling block 21 rotates to drive the inner pull rod to move left, the middle rack 5 and the middle lock pin 13 move left, the middle locking part is opened, the inner control gear 8 rotates along with the sliding of the middle rack 5, the outer control gear 7 rotates to enable the upper rack 6 to move downwards and the lower rack 2 to move upwards, the upper locking part and the lower locking part are opened, and the door can be opened.
When the anti-impact anti-loosening door lock is used, the upper locking component, the lower locking component and the middle locking component form a three-locking structure to reinforce the door lock so as to prevent impact and loosening; when the door needs to be opened, the outer handle 4 is pulled downwards to enable the shifting block 3 to rotate, the shifting block 3 presses the lower rack 2 to move upwards, the lower lock pin connected with the lower rack 2 moves upwards and then is separated from the lower lock seat, the lower lock component is opened, the outer control gear 7 rotates along with the movement of the lower rack 2, the upper rack 6 moves downwards, the upper lock pin 16 connected with the upper rack 6 moves downwards and then is separated from the upper lock seat 19, the upper lock component is opened, the inner control gear 8 rotates to drive the middle rack 5 to slide leftwards, the middle lock pin 13 connected with the middle rack 5 moves leftwards and then is separated from the middle lock seat 12, the middle lock component is opened, the door lock is completely opened, and the door can be opened.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a three locking structure special type vehicle locks which characterized in that: the lock comprises a lock body assembly, an upper locking part, a lower locking part and a middle locking part, wherein the lock body assembly comprises a base, an upper rack and a lower rack which can slide up and down, a middle rack which can slide left and right, an external control gear and an internal control gear which are meshed with each other, a shifting block which presses the lower rack to move up and an external handle which drives the shifting block to rotate are arranged on the base, the lower rack and the upper rack are meshed with the external control gear to enable the upper rack and the lower rack to move reversely, the lower rack is connected with the lower locking part, the upper rack is connected with the upper locking part, the middle rack is meshed with the internal control gear to enable the middle rack to be linked with the lower rack, and the middle rack is connected with the middle locking part.
2. The special vehicle door lock with the triple-locking structure as claimed in claim 1, wherein: the thickness of the external control gear is larger than that of the internal control gear, so that the internal control gear and the upper rack are arranged in a front-back staggered mode.
3. The special vehicle door lock with the triple-locking structure as claimed in claim 1, wherein: go up rack, lower rack, well rack and all be in through the guide post setting on the base, all seted up the confession on last rack, lower rack, the well rack the bar hole that the guide post passed, all be provided with the limiting plate that is located bar hole both sides on the guide post.
4. The special vehicle door lock with the triple-locking structure as claimed in claim 1, wherein: the locking part comprises an upper lock pin, an upper fixing seat and an upper locking seat, the upper lock pin is connected with the upper rack through a locking pull rod, the upper lock pin penetrates through the upper fixing seat and extends into the upper locking seat, a sleeve fixedly connected with the upper fixing seat is sleeved outside the upper lock pin, a spring is arranged in the sleeve, a limiting part in contact with the upper end of the spring is arranged on the upper lock pin, an inclined plane part is arranged at the upper end of the upper lock pin, and a guide part for the inclined plane part to slide forward from back to front is arranged on the upper locking seat.
5. The special vehicle door lock with the triple-locking structure as claimed in claim 4, wherein: the lower locking member and the upper locking member are disposed vertically symmetrically.
6. The special vehicle door lock with the triple-locking structure as claimed in claim 1, wherein: the middle locking part comprises a middle lock pin, a middle fixed seat and a middle locking seat, the middle lock pin is connected with the middle rack, and the middle lock pin penetrates through the middle fixed seat and extends into the middle locking seat.
7. The special vehicle door lock with the triple-locking structure as claimed in claim 1, wherein: the utility model discloses a handle, including well rack, interior handle part, interior handle torsional spring, interior handle, the handle is connected with interior handle part on the well rack, interior handle part includes interior handle seat, interior handle torsional spring, interior handle, wear to be equipped with on the interior handle seat and run through the pivot of interior handle, interior handle torsional spring cover is established in the pivot, the both ends of interior handle torsional spring are passed and the crimping is in on the interior handle seat, be fixed with the pulling piece on the interior handle, pulling piece and well rack are connected through interior division bar, set up the confession on the pulling piece the recess that interior handle torsional spring passed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109058.4U CN216690708U (en) | 2021-12-10 | 2021-12-10 | Special vehicle door lock with three-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123109058.4U CN216690708U (en) | 2021-12-10 | 2021-12-10 | Special vehicle door lock with three-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216690708U true CN216690708U (en) | 2022-06-07 |
Family
ID=81838860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123109058.4U Withdrawn - After Issue CN216690708U (en) | 2021-12-10 | 2021-12-10 | Special vehicle door lock with three-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216690708U (en) |
-
2021
- 2021-12-10 CN CN202123109058.4U patent/CN216690708U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230509 Address after: Room 402, 4th Floor, Unit 2, Building 1, No. 52 Hongsong Road, High tech Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Zhengzhou Xinguang Kaiyide Lock Industry Co.,Ltd. Address before: 450001 No. 402, 4th floor, unit 2, building 1, No. 52, Hongsong Road, high tech Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUSENN AUTO PRODUCTS SCIENCE AND TECHNOLOGY DEVELOPMENT CO.,LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220607 Effective date of abandoning: 20230911 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20220607 Effective date of abandoning: 20230911 |