CN207609283U - A kind of door lock that tamper is explosion-proof - Google Patents
A kind of door lock that tamper is explosion-proof Download PDFInfo
- Publication number
- CN207609283U CN207609283U CN201721667382.9U CN201721667382U CN207609283U CN 207609283 U CN207609283 U CN 207609283U CN 201721667382 U CN201721667382 U CN 201721667382U CN 207609283 U CN207609283 U CN 207609283U
- Authority
- CN
- China
- Prior art keywords
- closing piece
- driven wheel
- door
- driving wheel
- plate
- 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.)
- Expired - Fee Related
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- Lock And Its Accessories (AREA)
Abstract
A kind of door lock that tamper is explosion-proof,The side wall of the door-plate is opened there are three locked groove,And it is placed with the first closing piece in the locked groove in the middle part of door-plate,The both sides of first closing piece are engaged with the first driven wheel by screw thread,First driven wheel is engaged with the first driving wheel,The side of first driving wheel is welded with the second driving wheel,It is inserted with bull stick in second driving wheel central through hole,And one end of bull stick extends to outside door-plate and is equipped with handle by screw thread,The second driven wheel and third driven wheel are separately installed with by way of key connection in the boxboard,And second the lateral wall of driven wheel be engaged with the second closing piece,The lateral wall of third driven wheel is engaged with third closing piece,Wherein third closing piece is welded with latch block close to one end of the first driving wheel,Static housing at the utility model upper, middle and lower three,When closing piece is destroyed in door,Closing piece can also continue to lock chamber door in doorframe.
Description
Technical field
The utility model is related to door lock technical field more particularly to a kind of door locks that tamper is explosion-proof.
Background technology
Door lock is exactly to be used for locking the door as its name suggests, with the equipment for preventing other people from opening this.The classification of door lock
Very much, different in requirement of each occasion to door lock, can not in the lock single to the higher place of security requirement
Meet the needs of security performance, and existing door lock sets that buckle be exactly that doorframe sets to lock a door to set and buckles if it were not for door sets door frame, both
The complexity of form is low, is easy to Brute Force.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of tamper proposed is explosion-proof
Door lock.
To achieve the goals above, the utility model uses following technical solution:
A kind of door lock that tamper is explosion-proof, including door-plate and boxboard, the sidewall horizontal of the door-plate open that there are three locked grooves, and position
It is placed with the first closing piece in locked groove in the middle part of the door-plate, the both sides of the first closing piece are engaged with the first driven wheel by screw thread, wherein
First driven wheel is connected to centrally through the mode of key connection in door-plate, and the first driven wheel is engaged with the first driving wheel, and first
The side of driving wheel is welded with the second driving wheel, and the center of the first driving wheel and the second driving wheel is provided with through-hole and two through hole connects
It is logical, bull stick is inserted in the second driving wheel central through hole, and one end of bull stick extends to outside door-plate and is equipped with handle by screw thread, institute
It states in boxboard and is separately installed with the second driven wheel and third driven wheel, and the lateral wall of the second driven wheel by way of key connection
It is engaged with the second closing piece, the lateral wall of third driven wheel is engaged with third closing piece, and wherein third closing piece is close to the first driving wheel
One end is welded with latch block.
Preferably, first closing piece, the second closing piece, third closing piece outer wall all offer the screw pitch phase of screw thread and screw thread
Together, the central axes of the first closing piece are parallel with the central axes of the second closing piece, the axis of the central axes and third closing piece of the first closing piece
Line is parallel.
Preferably, the central axes of first closing piece and the central axes of the locked groove in the middle part of the door-plate are same straight line, second
The central axes of closing piece are same straight line with the central axes for being located at door-plate both sides locked groove.
Preferably, first driven wheel is identical as the structure of the second driven wheel, and the tooth pitch of the first driven wheel and first
The tooth pitch of driving wheel is identical, and the center line of the first driven wheel is parallel with the center line of the second driven wheel, the center line of the first driven wheel with
The center line of first driving wheel is parallel.
Preferably, the diameter of the third driven wheel be equal to the distance between the first closing piece and third closing piece, and third from
The tooth pitch of driving wheel is identical as the screw pitch of the first closing piece, and the central axes of third closing piece and the central axes of bull stick are perpendicular.
Preferably, the structure of the latch block is identical as the structure of the second driving wheel external tooth.
The utility model has the beneficial effects that:
1, door-plate and boxboard are fixed by the first closing piece, the second closing piece, static housing at upper, middle and lower three is encountering violence
When cracking door lock and being destroyed, the lock in doorframe loses open-close on-off, fixes chamber door by the lock in boxboard, makes violence damage
Thief can not go smoothly;
2, the rotation of driving wheel is limited by the latch block on third closing piece, reduces gear and lock caused by operation error
The abrasion of block improves the service life of door lock.
Description of the drawings
Fig. 1 be the utility model proposes a kind of explosion-proof door lock of tamper main structure diagram;
Fig. 2 be the utility model proposes a kind of explosion-proof door lock of tamper cross-sectional structure schematic diagram.
In figure:1 door-plate, 2 boxboards, 3 locked grooves, 4 first closing pieces, 5 first driven wheels, 6 first driving wheels, 7 second are actively
Wheel, 8 bull sticks, 9 second driven wheels, 10 third driven wheels, 11 second closing pieces, 12 third closing pieces, 13 latch blocks.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of door lock that tamper is explosion-proof, including door-plate 1 and boxboard 2, the sidewall horizontal of the door-plate 1 are provided with
Three locked grooves 3, and it is placed with the first closing piece 4 in the locked groove 3 at 1 middle part of door-plate, the both sides of the first closing piece 4 are engaged by screw thread
There is the first driven wheel 5, wherein the mode centrally through key connection of the first driven wheel 5 is connected in door-plate 1, the first driven wheel 5
It is engaged with the first driving wheel 6, the side of the first driving wheel 6 is welded with the second driving wheel 7, and the first driving wheel 6 and the second active
The center of wheel 7 is provided with through-hole and two through hole is connected to, and is inserted with bull stick 8 in 7 central through hole of the second driving wheel, and one end of bull stick 8 is prolonged
It extends to and handle is equipped with by screw thread outside door-plate 1, it is driven to be separately installed with second by way of key connection in the boxboard 2
Wheel 9 and third driven wheel 10, and the lateral wall of the second driven wheel 9 is engaged with the second closing piece 11, the lateral wall of third driven wheel 10
It is engaged with third closing piece 12, wherein third closing piece 12 is welded with latch block 13 close to one end of the first driving wheel 6.
Specifically, first closing piece 4, the second closing piece 11,12 outer wall of third closing piece all offer the spiral shell of screw thread and screw thread
Away from identical, the central axes of the first closing piece 4 are parallel with the central axes of the second closing piece 11, and central axes and the third of the first closing piece 4 are locked
The central axes of block 12 are parallel.The central axes of first closing piece 4 are with always with the central axes for being located at 1 middle part locked groove 3 of door-plate
Line, the central axes of the second closing piece 11 are same straight line with the central axes for being located at 1 both sides locked groove 3 of door-plate.First driven wheel 5
It is identical as the structure of the second driven wheel 9, and the tooth pitch of the first driven wheel 5 is identical as the tooth pitch of the first driving wheel 6, the first driven wheel
5 center line is parallel with the center line of the second driven wheel 9, and the center line of the first driven wheel 5 is parallel with the center line of the first driving wheel 6.
The diameter of the third driven wheel 10 is equal to the distance between the first closing piece 4 and third closing piece 12, and the tooth of third driven wheel 10
Away from identical as the screw pitch of the first closing piece 4, and the central axes of third closing piece 12 and the central axes of bull stick 8 are perpendicular.The latch
The structure of block 13 is identical as the structure of 7 external tooth of the second driving wheel.
In the technical solution that one embodiment of the utility model proposes, operating personnel can be by rotating the first driving wheel
Handle on 6 rotates the first driving wheel 6, and the first driving wheel 6 drives the first driven wheel 5 that first closing piece 4 is pushed into boxboard 2,
First closing piece 4 drives the second driven wheel 9 to rotate during being pushed into boxboard 2, and the second closing piece 11 is pushed into door-plate 1, to
Have the function that multiple fastening, prevents door lock by Brute Force, the rotation of third driven wheel 10 drives third closing piece 12 to move, latch
Block 13 blocks the second driving wheel 7, to limitation the second driving wheel 7 rotation, reduces abrasion, improves service life.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of door lock that tamper is explosion-proof, including door-plate (1) and boxboard (2), which is characterized in that the side wall water of the door-plate (1)
Locked groove (3) there are three being opened flat, and it is placed with the first closing piece (4) in the locked groove (3) in the middle part of door-plate (1), the first closing piece (4)
Both sides are engaged with the first driven wheel (5) by screw thread, wherein the first driven wheel (5) is connected to centrally through the mode of key connection
In door-plate (1), the first driven wheel (5) is engaged with the first driving wheel (6), and the side of the first driving wheel (6) is welded with second actively
It takes turns (7), and the first driving wheel (6) is provided with through-hole with the center of the second driving wheel (7) and two through hole is connected to, the second driving wheel (7)
Bull stick (8) is inserted in central through hole, and one end of bull stick (8) extends to door-plate (1) and is equipped with handle, the case by screw thread outside
The second driven wheel (9) and third driven wheel (10), and the second driven wheel are separately installed with by way of key connection in plate (2)
(9) lateral wall is engaged with the second closing piece (11), and the lateral wall of third driven wheel (10) is engaged with third closing piece (12), wherein the
Three closing pieces (12) are welded with latch block (13) close to one end of the first driving wheel (6).
2. a kind of explosion-proof door lock of tamper according to claim 1, which is characterized in that first closing piece (4), the second lock
Block (11), third closing piece (12) outer wall all offers screw thread and the screw pitch of screw thread is identical, the central axes and second of the first closing piece (4)
The central axes of closing piece (11) are parallel, and the central axes of the first closing piece (4) are parallel with the central axes of third closing piece (12).
3. a kind of explosion-proof door lock of tamper according to claim 1, which is characterized in that the axis of first closing piece (4)
The central axes of line and the locked groove (3) in the middle part of the door-plate (1) are same straight line, the central axes of the second closing piece (11) be located at door-plate
(1) central axes of both sides locked groove (3) are same straight line.
4. a kind of explosion-proof door lock of tamper according to claim 1, which is characterized in that first driven wheel (5) and the
The structure of two driven wheels (9) is identical, and the tooth pitch of the first driven wheel (5) is identical as the tooth pitch of the first driving wheel (6), and first is driven
The center line for taking turns (5) is parallel with the center line of the second driven wheel (9), in the center line and the first driving wheel (6) of the first driven wheel (5)
Line is parallel.
5. a kind of explosion-proof door lock of tamper according to claim 1, which is characterized in that the third driven wheel (10) it is straight
Diameter is equal to the distance between the first closing piece (4) and third closing piece (12), and the tooth pitch of third driven wheel (10) and the first closing piece (4)
Screw pitch it is identical, and the central axes of third closing piece (12) and the central axes of bull stick (8) are perpendicular.
6. a kind of explosion-proof door lock of tamper according to claim 1, which is characterized in that the structure of the latch block (13) with
The structure of the second driving wheel (7) external tooth is identical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721667382.9U CN207609283U (en) | 2017-12-05 | 2017-12-05 | A kind of door lock that tamper is explosion-proof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721667382.9U CN207609283U (en) | 2017-12-05 | 2017-12-05 | A kind of door lock that tamper is explosion-proof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207609283U true CN207609283U (en) | 2018-07-13 |
Family
ID=62797230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721667382.9U Expired - Fee Related CN207609283U (en) | 2017-12-05 | 2017-12-05 | A kind of door lock that tamper is explosion-proof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207609283U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112735740A (en) * | 2020-12-26 | 2021-04-30 | 宋泽骏 | Anti-dismantling protection cabinet for outdoor transformer |
-
2017
- 2017-12-05 CN CN201721667382.9U patent/CN207609283U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112735740A (en) * | 2020-12-26 | 2021-04-30 | 宋泽骏 | Anti-dismantling protection cabinet for outdoor transformer |
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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: 20180713 Termination date: 20191205 |