CN207499605U - Anti- card opens drawback lock body - Google Patents
Anti- card opens drawback lock body Download PDFInfo
- Publication number
- CN207499605U CN207499605U CN201721011373.4U CN201721011373U CN207499605U CN 207499605 U CN207499605 U CN 207499605U CN 201721011373 U CN201721011373 U CN 201721011373U CN 207499605 U CN207499605 U CN 207499605U
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- latch bolt
- oblique tongue
- iron plate
- tongue rod
- take
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Abstract
The utility model discloses a kind of anti-cards to open drawback lock body,Including lock box,Latch bolt,Oblique tongue rod,The other end of oblique tongue rod is installed with baffle,Oblique tongue rod is slidably connected in the positioning plate in lock box,Sliding piece is rotatably connected in lock box,Clicking section is convexly equipped on sliding piece,Clicking section is set between positioning plate and baffle,The side far from inclined-plane slidably connects sliding block in latch bolt,Slipper is higher than latch bolt side,One end on sliding block close to oblique tongue rod is installed with take-up housing,Baffle ring is installed on oblique tongue rod between latch bolt and positioning plate,Sliding block spring has been abutted between take-up housing and baffle ring,Support iron plate is hinged in lock box,The free end of iron plate is supported radially to be connected to take-up housing lateral surface along oblique tongue rod,Push plate is slidably connected outside oblique tongue rod,Push plate is connected between clicking section and baffle,It protrudes to form pushing part towards far from push plate direction in push plate top position on support iron plate,Card cannot be inserted into after shutdown, and latch bolt is open-top,Lock body must could be opened with key.
Description
Technical field
The utility model is related to a kind of lock body, more particularly to a kind of anti-card opens drawback lock body.
Background technology
Door lock currently on the market is essentially single tongue or more tongues, and the lock tongue of single tongue lock is is divided into square tongue and tiltedly currently on the market
Tongue, skew bolt lock currently on the market are easily opened when in use, are inserted into crack between a door and its frame by card, it is easy to it is turned on,
Safety is poor, so needing a kind of single tongue channel lock body with small latch bolt that could solve the problems, such as these.
At present, door lock type is varied in the market, is locked used in usual people, in order to lock a door automatically conveniently, lock
Cored structure can all have latch bolt device, i.e. lock tongue is equipped with inclined-plane, make the extended and retracted lock body shell of latch bolt by applying pressure to inclined-plane
Reach purpose of locking a door；In this way under the state of locking a door, crack between a door and its frame can be inserted by using the relatively thin article such as hard paper, card, pushed
Latch bolt, so as to achieve the purpose that enabling.If this method is utilized by criminal, to the person of door lock user, property peace
Holotype is into threat.
Utility model content
The purpose of this utility model is to provide a kind of anti-card and opens drawback lock body, cannot pass through card or class after closing the door
It is like thing that the latch bolt in lock body is open-top, it is necessary to could to open lock body with key, offender can be effectively prevent to visit work of entering the room
Case.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of anti-card opens drawback lock body, and including lock box and latch bolt, described latch bolt one end is installed with oblique tongue rod, described oblique
The other end of lingual bar is installed with baffle, and positioning plate is installed in the lock box, and the oblique tongue rod is slidably connected in positioning plate, institute
It states and latch bolt spring is arranged on oblique tongue rod, the latch bolt spring is set between latch bolt and positioning plate, is rotatablely connected in the lock box
There is sliding piece, clicking section is convexly equipped on the sliding piece, the clicking section is set between positioning plate and baffle, remote in the latch bolt
Side from inclined-plane slidably connects sliding block, and the Slipper is higher than latch bolt side, close to the one of oblique tongue rod on the sliding block
End is installed with take-up housing, is installed with baffle ring on the oblique tongue rod between latch bolt and positioning plate, described between take-up housing and baffle ring
Abutting has sliding block spring, and support iron plate is hinged in the lock box, and the free end of the support iron plate is radially supported along oblique tongue rod
Take-up housing lateral surface is connected to, slidably connects push plate outside the oblique tongue rod, the push plate is connected between clicking section and baffle, institute
It states and protrudes to form pushing part towards far from push plate direction in push plate top position on support iron plate.
By using said program, at closing time, latch bolt integrally can be automatically under the promotion of latch bolt spring with sliding block
Lock panel is popped up, support iron plate is kept off by take-up housing outside the stroke of latch bolt；When door is shut, latch bolt springs into the lockhole on doorframe
It is interior, and the sliding block on latch bolt side can be withstood by the shield locking plate on doorframe, a part of take-up housing is pressed into lock box at this time
It is interior, and the support iron plate being connected to originally on the outside of take-up housing is tilted into the stroke of latch bolt, at this time again from door leaf and doorframe
Between gap in when being inserted into the open-top latch bolt of card, support iron plate can withstand on the latch bolt back side always prevents latch bolt from being headed into lock box
Opened door leaf；When needing to open the door, key turns sliding piece is inserted into, the clicking section on sliding piece pushes push plate towards support iron plate
Hinged extreme direction movement, push plate upper end can be connected to the pushing part inner wall of support iron plate so that support the free end of iron plate towards remote
From the rotation of take-up housing direction until the free end of support iron plate is left in the stroke of latch bolt, while pushing part pushes baffle by latch bolt
Together with sliding block towards pulling in lock box, unlock so as to fulfill normal.
As a kind of improvement of the utility model, the side far from inclined-plane is opened along the direction of motion of latch bolt in the latch bolt
Equipped with sliding slot, the cross section of the sliding slot is interior big outer small trapezoidal, part and the horizontal stroke of sliding slot of the sliding block in sliding slot
Section matches.
By using said program, it can so that sliding block is stable and is smoothly moved along the sliding slot in latch bolt.
As a kind of improvement of the utility model, boss is convexly equipped in one end close to sliding block on the take-up housing, it is described
The groove with boss insertion cooperation is offered in latch bolt.
By using said program, after the free end of iron plate is supported to be inserted into the stroke of latch bolt, the side of raised line can be right
Positioning is played the role of in the free end of support iron plate, ensures the free end of support iron plate and can accurately be connected to the back side of latch bolt, prevents
Only card is inserted into opened door leaf.
As a kind of improvement of the utility model, the free end of the support iron plate is tilted down equipped with insertion head, described
It is inserted into the lateral surface that head is connected to take-up housing.
By using said program, after take-up housing is pressed into lock box, the insertion head on iron plate free end is supported
It can more smoothly be inserted into the stroke of latch bolt, withstand the back side of latch bolt, card is prevented to be inserted into opened door leaf.
As a kind of improvement of the utility model, the push plate upper end is offered in close support iron plate hinged end one jiao
Guide angle, the pushing part are equipped with guiding surface relative to guide angle.
By using said program, when push plate upper end is when pushing support iron plate open, the cooperation of guide angle and guiding surface can
To play the role of guiding so that push plate will support iron plate to push enhanced convenience open, unlock so as to facilitate.
As a kind of improvement of the utility model, the front and rear sides of the push plate are convexly equipped with slide protrusion, the lock respectively
The elongated slot coordinated with slide protrusion is offered on box.
By using said program, push plate can be limited in the circumferential direction of oblique tongue rod, so that push plate upper end
Guide angle can always with support iron plate on guiding surface match so that push plate can stablize promotion support iron plate.
As a kind of improvement of the utility model, the hinged end of the support iron plate is arranged with torsional spring, the one end
Lock box is connected to, the other end is connected to support iron plate upper end, and the torsional spring to support the free end of iron plate to have towards take-up housing
The trend of direction rotation.
By using said program, the free end of support iron plate can be made firmly to be connected to the outside of take-up housing always,
When take-up housing is pressed into lock box, it is ensured that support in the stroke of insertion latch bolt that the free end of iron plate stablizes, open
Protective effect is opened, card is prevented to be inserted into opened door leaf.
As a kind of improvement of the utility model, power assistant spring, the power-assisted bullet are installed between the baffle and lock box
Spring causes the trend that baffle moves always towards latch bolt direction.
By using said program, power assistant spring can increase elastic force when latch bolt resets, so as to ensure that latch bolt can be stablized
Pop-up.
In conclusion the utility model has the advantages that：
1st, the side far from inclined-plane slidably connects sliding block in latch bolt, and part is above latch bolt side, sliding block on sliding block
Upper one end close to oblique tongue rod is installed with take-up housing, is installed with baffle ring, take-up housing on oblique tongue rod between latch bolt and positioning plate
Sliding block spring has been abutted between baffle ring, support iron plate is hinged in lock box, has supported the free end of iron plate along oblique tongue rod diameter
To take-up housing lateral surface is connected to, push plate is slidably connected outside oblique tongue rod, push plate is connected between clicking section and baffle, branch iron brace
On piece is in push plate top position towards protruding to form pushing part far from push plate direction, and not at closing time, latch bolt and sliding block integrally can be with
Automatically lock panel is popped up under the promotion of latch bolt spring, support iron plate is kept off by take-up housing outside the stroke of latch bolt；When door is shut
When, latch bolt is sprung into the lockhole on doorframe, and the sliding block on latch bolt side can be withstood by the shield locking plate on doorframe, and at this time one
Part take-up housing is pressed into lock box, and the support iron plate being connected to originally on the outside of take-up housing is tilted into the row of latch bolt
In journey, when being inserted into the open-top latch bolt of card in the gap between door leaf and doorframe again at this time, support iron plate can withstand on latch bolt always
The back side prevents latch bolt from being headed into opened door leaf in lock box；When needing to open the door, key turns sliding piece is inserted into, dialling on sliding piece
Dynamic portion pushes hinged extreme direction movement of the push plate towards support iron plate, and push plate upper end can be connected to the pushing part inner wall of support iron plate,
So that the free end of support iron plate is rotated towards far from take-up housing direction until the free end of iron plate is supported to leave in the stroke of latch bolt,
Simultaneously pushing part push baffle by latch bolt together with sliding block towards pulling in lock box, unlock so as to fulfill normal；In support iron plate
Free end tilt down equipped with head is inserted into, be inserted into head and be connected to the lateral surface of take-up housing, when take-up housing is pressed into lock box
After interior, support the insertion head on iron plate free end that can more smoothly be inserted into the stroke of latch bolt, withstand the back side of latch bolt, prevent
Card is inserted into opened door leaf；
2nd, in push plate upper end in close to supporting one jiao of iron plate hinged end to offer guide angle, pushing part is relative to guide angle
Equipped with guiding surface, when push plate upper end is when pushing support iron plate open, the cooperation of guide angle and guiding surface can play guiding
Effect so that push plate will support iron plate to push enhanced convenience open, unlock so as to facilitate；The front and rear sides of push plate are convexly equipped with cunning respectively
It is dynamic raised, the elongated slot coordinated with slide protrusion is offered on lock box, push plate can be limited in the circumferential direction of oblique tongue rod, from
And the guide angle of push plate upper end is matched always with the guiding surface on support iron plate so that push plate can stablize promotion branch
Iron brace piece；
3rd, the hinged end of support iron plate is arranged with torsional spring, and one end is connected to lock box, and the other end is connected to support iron plate
Upper end, torsional spring to support the free end of iron plate to have the trend rotated towards take-up housing direction, can make the freedom of support iron plate
End is firmly connected to the outside of take-up housing always, when take-up housing is pressed into lock box, it is ensured that support iron plate
In the stroke for the insertion latch bolt that free end is stablized, protective effect is opened, card is prevented to be inserted into opened door leaf.
Description of the drawings
Fig. 1 is the stereogram that anti-card opens drawback lock body；
Fig. 2 is the front view one that anti-card opens drawback lock body；
Fig. 3 is the structure diagram of latch bolt；
Fig. 4 is the structure diagram of sliding block；
Connection relationship diagrams of the Fig. 5 between push plate and lock box；
Fig. 6 is the structure diagram for supporting iron plate；
Fig. 7 is that anti-card opens structure diagram of the drawback lock body under shutdown state；
Fig. 8 is the front view two that anti-card opens drawback lock body.
In figure, 1, lock box；101st, elongated slot；2nd, latch bolt；201st, sliding slot；202nd, groove；3rd, oblique tongue rod；4th, baffle；5th, it positions
Plate；6th, latch bolt spring；7th, sliding piece；701st, clicking section；8th, sliding block；9th, take-up housing；10th, baffle ring；11st, sliding block spring；12nd, it supports
Iron plate；1201st, pushing part；1202nd, it is inserted into head；1203rd, guiding surface；13rd, push plate；1301st, guide angle；1302nd, slide protrusion；
14th, boss；15th, torsional spring；16th, power assistant spring；17th, doorframe；1701st, lockhole；1702nd, locking plate is protected；18th, door leaf；19th, card.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：
Referring to Fig. 1 and Fig. 2, a kind of anti-card opens drawback lock body, including lock box 1 and latch bolt 2, with reference to Fig. 3, latch bolt 2
One end, which is threadably secured, is connected with oblique tongue rod 3, and the other end of oblique tongue rod 3 is welded with baffle 4, and latch bolt is located on oblique tongue rod 3
It is also arranged between 2 and baffle 4 and is connected with baffle ring 10；The side far from inclined-plane is opened up along the direction of motion of latch bolt 2 in latch bolt 2
There is sliding slot 201, the cross section of sliding slot 201 is interior big outer small antiparallelogram, and sliding block 8, sliding block are slidably connected in sliding slot 201
8 parts are higher than the side of latch bolt 2, and with reference to Fig. 4, part of the sliding block 8 in sliding slot 201 and the cross section of sliding slot 201 match,
One end on sliding block 8 close to oblique tongue rod 9 is additionally provided with integrally formed C-shaped take-up housing 9, and the convex surface of take-up housing 9 is connect with sliding block 8,
The intermediate sleeve of take-up housing 9 is set on oblique tongue rod 9, sliding block spring 11 is arranged on oblique tongue rod 9, sliding block spring 11 is connected to sliding block
Between seat 9 and baffle ring 10, be located on take-up housing 9 and be convexly equipped with boss 14 close to one end of sliding block 8, be located in latch bolt 2 towards
Fluted 202 are opened up on one side end face of oblique tongue rod 3, under natural conditions, sliding block spring 11 pushes take-up housing 9 to be pushed into boss 14
In groove 202, and sliding block 8 is flushed with the top of latch bolt 2.
With reference to Fig. 5, the positioning plate 5 of U-shaped, the part between 3 overhead gage 4 of oblique tongue rod and baffle ring 10 are welded in lock box 1
It is slidably connected in positioning plate 5, is arranged with latch bolt spring 6 between baffle ring 10 and positioning plate 5 on oblique tongue rod 9, in lock box 1
Inside also be rotatably connected to sliding piece 7, be convexly equipped with the clicking section 701 of strip on sliding piece 7, clicking section 701 be set on positioning plate 5 with
Between baffle 4, push plate 13 is also arranged on oblique tongue rod 9, push plate 13 is connected between clicking section 701 and baffle 4, in push plate 13
Front and rear sides be convexly equipped with slide protrusion 1302 respectively, the elongated slot 101 coordinated with slide protrusion 1302 is offered on lock box 1.
Be located in the lock box 1 above oblique tongue rod 3 and be hinged with support iron plate 12, with reference to Fig. 6, the free end of support iron plate 12 to
Under be provided tiltedly with and be inserted into head 1202, be inserted into head 1202 and the lateral surface of take-up housing 9 be connected to along 3 radial direction of oblique tongue rod, in branch iron brace
It is located at 13 top of push plate on piece 12 and is formed with pushing part 1201 towards far from 13 direction of push plate protrusion, 12 upper end of push plate is located at close
One jiao of 12 hinged end of support iron plate offers guide angle 1301, relative to the lower face of guide angle 1301 on pushing part 1201
Guiding surface 1203 is equipped with, is also arranged with torsional spring 15 in the hinged end of support iron plate 12, one end of torsional spring 15 is connected to lock box 1
Medial surface, the other end are connected to the upper side of support iron plate 12, and torsional spring 15 is so that the insertion head 1202 of support iron plate 12 has court
The trend of 9 direction of take-up housing rotation.
Power assistant spring 16 is also welded between the lateral surface of baffle 4 and the medial surface of lock box 1, power assistant spring 16 is so that gear
Plate 4 has the trend moved always towards 2 direction of latch bolt.
Not at closing time, with reference to Fig. 1 and Fig. 2, latch bolt 2 and 8 one of sliding block can the bullets under the promotion of latch bolt spring 6 automatically
Go out lock panel, the insertion head 1202 on iron plate 12 is supported to be kept off outside the stroke of latch bolt 2 by take-up housing 9；When door is shut, with reference to
Fig. 7 and Fig. 8, latch bolt 2 are sprung into the lockhole 1701 on doorframe 17, and the sliding block 8 on 2 side of latch bolt can be by the shield on doorframe 17
Locking plate 1702 is withstood, and a part of take-up housing 9 is pressed into lock box 1 at this time, and is connected to inserting on 9 outside of take-up housing originally
Enter first 1202 to be tilted into the stroke of latch bolt 2, and be connected on 14 side of boss, at this time again between door leaf 18 and doorframe 17
Gap in when being inserted into 19 open-top latch bolt 2 of card, 2 back side of latch bolt can be withstood on and prevent latch bolt 2 from being headed into lock always by being inserted into head 1202
Opened door leaf 18 in box 1；When needing to open the door, the clicking section on the interior insertion key turns sliding piece 7 of lock box 1, sliding piece 7
701 can push the hinged extreme direction movement of push plate 13 and baffle 4 towards support iron plate 12, the guide angle 1301 of 13 upper end of push plate simultaneously
It can abut and push the guiding surface 1203 on 1201 inner wall of pushing part of support iron plate 12 so that be inserted into head 1202 towards separate
The rotation of 9 direction of take-up housing is until in the stroke for leaving latch bolt 2 completely, while baffle 4 drives latch bolt 2 together with sliding block 8 towards lock
It pulls in box 1, unlocks so as to fulfill normal.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (8)
1. a kind of anti-card opens drawback lock body, including lock box (1) and latch bolt (2), described latch bolt (2) one end is installed with oblique tongue rod
(3), the other end of the oblique tongue rod (3) is installed with baffle (4), and positioning plate (5), the latch bolt are installed in the lock box (1)
Bar (3) is slidably connected in positioning plate (5), latch bolt spring (6) is arranged on the oblique tongue rod (3), the latch bolt spring (6) sets
It is rotatably connected to sliding piece (7) between latch bolt (2) and positioning plate (5), in the lock box (1), projection on the sliding piece (7)
There is clicking section (701), the clicking section (701) is between positioning plate (5) and baffle (4), which is characterized in that the latch bolt
(2) side far from inclined-plane slidably connects sliding block (8) on, and the sliding block (8) is partly higher than latch bolt (2) side, the sliding block
(8) one end on close to oblique tongue rod (3) is installed with take-up housing (9), on the oblique tongue rod (3) in latch bolt (2) and positioning plate (5) it
Between be installed with baffle ring (10), sliding block spring (11) has been abutted between the take-up housing (9) and baffle ring (10), in the lock box (1)
Support iron plate (12) is hinged with, the free end of the support iron plate (12) is radially connected to take-up housing (9) outside along oblique tongue rod (3)
Side, the oblique tongue rod (3) slidably connect push plate (13) outside, and the push plate (13) is connected to clicking section (701) and baffle (4)
Between, it protrudes to form pushing part towards far from push plate (13) direction in push plate (13) top position on the support iron plate (12)
(1201)。
2. anti-card according to claim 1 opens drawback lock body, which is characterized in that far from inclined-plane on the latch bolt (2)
The direction of motion of side along latch bolt (2) offer sliding slot (201), the cross section of the sliding slot (201) is interior big outer small ladder
Shape, part of the sliding block (8) in sliding slot (201) and the cross section of sliding slot (201) match.
3. anti-card according to claim 1 opens drawback lock body, which is characterized in that in close on the take-up housing (9)
One end of sliding block (8) is convexly equipped with boss (14), and the groove with the embedded cooperation of boss (14) is offered on the latch bolt (2)
(202)。
4. anti-card according to claim 1 opens drawback lock body, which is characterized in that the freedom of the support iron plate (12)
End is tilted down equipped with head (1202) is inserted into, and the insertion head (1202) is connected to the lateral surface of take-up housing (9).
5. anti-card according to claim 1 opens drawback lock body, which is characterized in that push plate (13) upper end is in close
One jiao of support iron plate (12) hinged end offers guide angle (1301), and the pushing part (1201) is relative to guide angle (1301)
Equipped with guiding surface (1203).
6. anti-card according to claim 5 opens drawback lock body, which is characterized in that the front and rear sides of the push plate (13)
It is convexly equipped with slide protrusion (1302) respectively, the elongated slot (101) with slide protrusion (1302) cooperation is offered on the lock box (1).
7. anti-card according to claim 1 opens drawback lock body, which is characterized in that support iron plate (12) is hinged
End cap is equipped with torsional spring (15), and described torsional spring (15) one end is connected to lock box (1), and the other end is connected to support iron plate (12) upper end,
The torsional spring (15) is so that the free end of support iron plate (12) has the trend rotated towards take-up housing (9) direction.
8. anti-card according to claim 1 opens drawback lock body, which is characterized in that the baffle (4) and lock box (1) it
Between be installed with power assistant spring (16), the power assistant spring (16) is so that the trend that baffle (4) moves always towards latch bolt (2) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011373.4U CN207499605U (en) | 2017-08-14 | 2017-08-14 | Anti- card opens drawback lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011373.4U CN207499605U (en) | 2017-08-14 | 2017-08-14 | Anti- card opens drawback lock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207499605U true CN207499605U (en) | 2018-06-15 |
Family
ID=62497743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721011373.4U Active CN207499605U (en) | 2017-08-14 | 2017-08-14 | Anti- card opens drawback lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207499605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386173A (en) * | 2017-08-14 | 2019-02-26 | 浙江星月安防科技有限公司 | Anti- card opens drawback lock body |
| CN115705790A (en) * | 2021-08-16 | 2023-02-17 | 西安青松光电技术有限公司 | Frame and display device |
-
2017
- 2017-08-14 CN CN201721011373.4U patent/CN207499605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386173A (en) * | 2017-08-14 | 2019-02-26 | 浙江星月安防科技有限公司 | Anti- card opens drawback lock body |
| CN115705790A (en) * | 2021-08-16 | 2023-02-17 | 西安青松光电技术有限公司 | Frame and display device |
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