CN211622937U - Inclined tongue turnover mechanism of lock - Google Patents
Inclined tongue turnover mechanism of lock Download PDFInfo
- Publication number
- CN211622937U CN211622937U CN201922009684.2U CN201922009684U CN211622937U CN 211622937 U CN211622937 U CN 211622937U CN 201922009684 U CN201922009684 U CN 201922009684U CN 211622937 U CN211622937 U CN 211622937U
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- Prior art keywords
- latch bolt
- lock
- arm
- fixing
- oblique tongue
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- 230000007306 turnover Effects 0.000 title claims abstract description 7
- 238000009434 installation Methods 0.000 claims 2
- 238000007373 indentation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of locks, and discloses a latch bolt turnover mechanism of a lock, which comprises a lock lower shell, wherein the lock lower shell is provided with a latch bolt, a latch bolt guide and a latch bolt fixing arm; the oblique tongue fixing arm comprises an oblique tongue fixing left arm, an oblique tongue fixing right arm and a connecting piece, the oblique tongue fixing left arm and the oblique tongue fixing right arm are rotatably arranged on the lower shell of the lock, the oblique tongue fixing left arm is connected with the oblique tongue fixing right arm through the connecting piece, and a Y-shaped piece shifting frame is further arranged on the lower shell of the lock. The utility model discloses when the switch door, in retracting the tool to lock after the oblique tongue upset, the friction between oblique tongue and the door frame when having reduced the switch door just can let the oblique tongue indentation with very little power, makes the switch door more smooth and easy, has long service life, characteristics that the practicality is strong.
Description
Technical Field
The utility model relates to a tool to lock field especially relates to a latch bolt tilting mechanism of tool to lock.
Background
The existing lock switch principle is as follows: when the door is opened, the key or handle is turned to drive the shifting sheet of the latch bolt to rotate and move the latch bolt up and down to pull it into the lock body, and the reset is sprung out by the reset spring of the latch bolt. The lock using this method has the following technical drawbacks: the latch tightly buckles the latch bolt plane, so that the latch bolt plane rubs with the opposite plane of the latch when the door is opened, the appearance is damaged slightly, and the internal transmission parts are damaged seriously, thereby reducing the service life of the lockset.
Chinese published patent numbers: CN203175173U discloses a latch bolt tilting mechanism for a lock, which comprises a latch bolt, the latch bolt is slidably sleeved on a push rod up and down, a latch bolt reset spring is sleeved on the push rod, the push rod is installed on a lock case, the tilting mechanism further comprises a latch bolt guiding clutch piece, the middle part of the latch bolt guiding clutch piece is hinged on the lock case, a guide groove is arranged on the side surface of the latch bolt, a chuck for clamping into the guide groove is arranged on the inner side of the upper end of the latch bolt guiding clutch piece, the lower end of the latch bolt guiding clutch piece is connected with an inner linkage piece and an outer linkage piece, the inner linkage piece is linked with an inner shifting piece, and the outer linkage piece is linked with an outer shifting piece. This tool to lock has adopted a latch bolt tilting mechanism, but this structure still has the problem: the oblique tongue can not be stretched up and down when being clamped only by one oblique tongue guiding clutch piece, and meanwhile, the transmission structure is complex and is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the flexible shortcoming of destroying the tool to lock structure easily when accomodating of oblique tongue among the prior art, provide an oblique tongue tilting mechanism of tool to lock.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a latch bolt tilting mechanism of a lockset comprises a lockset lower shell, wherein a latch bolt, a latch bolt guide and a latch bolt fixing arm are installed on the lockset lower shell, the latch bolt is rotatably clamped on the latch bolt guide, the connection between the latch bolt and the latch bolt guide is the connection of a common turnover type latch bolt on the market, a latch bolt reset spring is sleeved at the lower end of the latch bolt guide, one end of the latch bolt reset spring is connected with the latch bolt guide, and the other end of the latch bolt reset spring is fixed on the latch bolt fixing arm; the oblique tongue fixing arm comprises a connecting piece, an L-shaped oblique tongue fixing left arm and an L-shaped oblique tongue fixing right arm, the oblique tongue fixing left arm and the oblique tongue fixing right arm are respectively rotatably installed on the lower shell of the lock, a second through hole is formed in the lower side of the front end of the oblique tongue fixing left arm, a third through hole is formed in the lower side of the front end of the oblique tongue fixing right arm, the connecting piece penetrates through the second through hole and the third through hole to enable one end of the oblique tongue fixing left arm to be connected with one end of the oblique tongue fixing right arm, the oblique tongue fixing left arm and the oblique tongue fixing right arm can be driven to rotate around fixing points of the oblique tongue fixing left arm and the oblique tongue fixing right arm respectively when the connecting piece moves, a Y-shaped shifting piece block located below the oblique tongue fixing arm is further rotatably installed on the lower shell of the lock, and shifting pieces on the Y-shaped. The connecting piece comprises a connecting column penetrating through the second through hole and the third through hole and a protecting piece connected with the connecting column, the protecting piece is arranged between two shifting pieces of the Y-shaped shifting piece block, the shifting pieces jack up the protecting piece upwards after the Y-shaped shifting piece block is rotated, the connecting shaft drives the lower ends of the left oblique tongue fixing arm and the right oblique tongue fixing arm to move upwards together, the left oblique tongue fixing arm and the right oblique tongue fixing arm are L-shaped, and the left oblique tongue fixing arm and the right oblique tongue fixing arm are rotatably installed on the lower shell of the lock, so that the left oblique tongue fixing arm and the right oblique tongue fixing arm can rotate outwards around a fixed point, a groove opening of the oblique tongue fixing arm is opened, and the clamping head is not clamped with the oblique tongue any more. Conventional lock is opening the door or the in-process latch bolt of closing the door can with the relative plane friction of door frame, and the utility model discloses a latch bolt of lock if latch bolt and door frame plane friction, then carry out the indentation after can making the latch bolt upset, ensure no matter opening the door or the in-process of closing the door, all be the inclined plane friction between latch bolt and the door frame, so only need very little power just can let the latch bolt indentation. The utility model discloses a cooperation of oblique tongue fixed arm and oblique tongue makes oblique tongue in indentation tool to lock again after the switch door in-process upset 45 degrees, makes oblique tongue and door frame contact surface be the inclined plane always, has reduced the friction between oblique tongue and the door frame, just can let oblique tongue indentation with very little power, makes the switch door more smooth and easy, has prolonged the life of tool to lock, has stronger practicality.
Preferably, the spring bolt device further comprises a U-shaped frame, the U-shaped frame is installed in the groove, a second through hole used for extending the clamping head is formed in the side wall of the U-shaped frame, and the oblique tongue return spring is fixed at the bottom of the groove of the U-shaped frame. A U-shaped frame is further arranged between the oblique tongue and the oblique tongue fixing arm, the oblique tongue slides up and down in the U-shaped frame, and deflection of the sliding direction of the oblique tongue after the oblique tongue fixing arm is loosened is prevented, so that use is not affected.
Preferably, still install first fixed column and second fixed column on the casing under the tool to lock, Y type plectrum piece rotationally connects on first fixed column, still is equipped with first reset spring on the Y type plectrum piece, and the second fixed column is located between first reset spring's the both ends. Through a first reset spring, the Y-shaped shifting block can automatically reset after the jacking of the connecting piece is completed.
Preferably, the lock further comprises a fixing bolt, a guide groove is further formed in the lower shell of the lock, the angle of the guide groove is 30 degrees, a second through hole is further formed in the Y-shaped shifting piece block, and the fixing bolt penetrates through the second through hole to install the Y-shaped shifting piece block on the guide groove. The guide groove plays a role in limiting the rotation angle of the Y-shaped shifting block and prevents the rotation angle of the Y-shaped shifting block from being too large.
Preferably, a third fixing column is further arranged on the lower shell of the lock, a second return spring is arranged on the third fixing column, the left oblique tongue fixing arm is rotatably mounted on the left third fixing column, the right oblique tongue fixing arm is rotatably mounted on the right third fixing column, and the second return spring, the left oblique tongue fixing arm and the right oblique tongue fixing arm are connected. The left oblique tongue fixing arm and the right oblique tongue fixing arm can rotate around the third fixing column respectively, the left oblique tongue fixing arm and the right oblique tongue fixing arm rotate outwards, and the reset of the left oblique tongue fixing arm and the right oblique tongue fixing arm can be completed through the second reset spring after the oblique tongue is turned over.
Preferably, the Y-shaped plectrum block is also provided with a plum blossom hole connected with the door handle. The door handle is connected with the Y-shaped shifting block through the quincuncial hole, and the Y-shaped shifting block can be driven to rotate by rotating the door handle, so that the shifting piece of the Y-shaped shifting block can jack up the connecting piece upwards.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the utility model discloses a cooperation of oblique tongue fixed arm and oblique tongue makes oblique tongue in indentation tool to lock again after the switch door in-process upset 45 degrees, makes oblique tongue and door frame contact surface be the inclined plane always, has reduced the friction between oblique tongue and the door frame, just can let oblique tongue indentation with very little power, makes the switch door more smooth and easy, has prolonged the life of tool to lock, has stronger practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a part of the structure of the present invention.
Fig. 3 is a schematic structural diagram of a latch-fixing arm.
The names of the parts indicated by the numerical references in the above figures are as follows: the lock comprises a lock lower shell 10, a lock lower shell 11, a latch bolt 12, a latch bolt guide 13, a latch bolt fixing arm 14, a latch bolt return spring 14, a groove 15, a clamping head 16, a clamping seat 17, a Y-shaped shifting block 18, a U-shaped frame 19, a first through hole 20, a first fixing column 21, a second fixing column 22, a first return spring 23, a fixing bolt 24, a second through hole 25, a third fixing column 26, a second return spring 27, a latch bolt fixing left arm 131, a latch bolt fixing right arm 132, and a connecting piece 133.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A latch bolt turnover mechanism of a lock, as shown in fig. 1-3, includes the lock lower housing 10, the lock lower housing 10 is fitted with the latch bolt 11, the latch bolt guide 12 and the latch bolt fixed arm 13, the latch bolt 11 is blocked on the latch bolt guide 12 rotatably, the lower end of the latch bolt guide 12 is fitted with the reset spring 14 of the latch bolt, one end of the reset spring 14 of the latch bolt is connected with the latch bolt guide 12, another end is fixed on the latch bolt fixed arm 13, there is a groove 15 on the latch bolt fixed arm 13, there is a draw-in gear 16 on the sidewall of the groove 15, there is a cassette 17 cooperating with draw-in gear 16 on the sidewall of the latch bolt 11, the latch bolt 11 slides up and down in the groove 15; the latch bolt fixing arm 13 includes a latch bolt fixing left arm 131, the lock comprises a latch bolt fixing right arm 132 and a connecting piece 133, the latch bolt fixing left arm 131 and the latch bolt fixing right arm 132 are respectively rotatably installed on the lock lower shell 10, the latch bolt fixing left arm 131 is connected with the latch bolt fixing right arm 132 through the connecting piece 133, a second through hole is formed in the lower side of the front end of the latch bolt fixing left arm 131, a third through hole is formed in the lower side of the front end of the latch bolt fixing right arm 132, the connecting piece 133 penetrates through the second through hole and the third through hole to enable one end of the latch bolt fixing left arm 131 to be connected with one end of the latch bolt fixing right arm 132, the latch bolt fixing left arm 131 and the latch bolt fixing right arm 132 are driven to rotate around fixing points of the latch bolt fixing left arm and the latch bolt fixing right arm 132 respectively when the connecting piece 133 moves, a Y-shaped shifting piece 18 located below the latch bolt fixing arm 13 is further rotatably installed on the lock lower shell 10, and a shifting piece of the Y-shaped shifting piece 18 on. The connecting member 133 includes a connecting post passing through the second and third through holes and a protector connected to the connecting post, the protector being disposed between the two paddles of the Y-shaped paddle block 18.
The spring bolt type spring fixing device further comprises a U-shaped frame 19, the U-shaped frame 19 is installed in the groove 15, a first through hole 20 used for extending the clamping head 16 is formed in the side wall of the U-shaped frame 19, and the oblique tongue return spring 14 is fixed at the bottom of the groove of the U-shaped frame 19.
Still install first fixed column 21 and second fixed column 22 on the casing 10 under the tool to lock, Y type plectrum piece 18 rotationally connects on first fixed column 21, still is equipped with first reset spring 23 on the Y type plectrum piece 18, and Y type plectrum piece 18 links to each other with second fixed column 22 through first reset spring 23.
The lock further comprises a fixing bolt 24, a guide groove is further formed in the lower shell 10 of the lock, a second through hole 25 is further formed in the Y-shaped shifting piece block 18, and the fixing bolt 24 penetrates through the second through hole 25 to install the Y-shaped shifting piece block 18 on the guide groove.
The lower lock shell 10 is further provided with a third fixing column 26, the third fixing column 26 is provided with a second return spring 27, the left latch bolt fixing arm 131 is rotatably mounted on the left third fixing column 26, the right latch bolt fixing arm 132 is rotatably mounted on the right third fixing column 26, and the second return spring 27, the left latch bolt fixing arm 131 and the right latch bolt fixing arm 132 are connected.
The Y-shaped shifting block 18 is also provided with a plum blossom hole connected with the door handle.
Example 2
Embodiment 2 has substantially the same features as embodiment 1, except that an opening for protruding the latch 11 is further provided on the side wall of the lock lower case 10.
Example 3
The embodiment 3 has the same characteristics as the embodiment 1, except that a telescopic ejector rod is arranged between the latch bolt guide 12 and the U-shaped frame 19, one end of the ejector rod is connected with the latch bolt guide 12, the other end of the ejector rod is connected with the bottom of the groove of the U-shaped frame 19, and the latch bolt return spring 14 is sleeved on the ejector rod.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (6)
1. A latch bolt turnover mechanism of a lock comprises a lock lower shell (10), wherein a latch bolt (11), a latch bolt guide (12) and a latch bolt fixing arm (13) are installed on the lock lower shell (10), the latch bolt (11) is rotatably clamped on the latch bolt guide (12), a latch bolt reset spring (14) is sleeved at the lower end of the latch bolt guide (12), one end of the latch bolt reset spring (14) is connected with the latch bolt guide (12), and the other end of the latch bolt reset spring is fixed on the latch bolt fixing arm (13), and the latch bolt turnover mechanism is characterized in that a groove (15) is formed in the latch bolt fixing arm (13), a clamping head (16) is arranged on the side wall of the groove (15), a clamping seat (17) matched with the clamping head (16) is arranged on the side wall of the latch bolt (11), and the latch bolt (11) slides up and down in; the latch bolt fixing arm (13) comprises a latch bolt fixing left arm (131), a latch bolt fixing right arm (132) and a connecting piece (133), the latch bolt fixing left arm (131) and the latch bolt fixing right arm (132) are respectively rotatably installed on the lock lower shell (10), the latch bolt fixing left arm (131) is connected with the latch bolt fixing right arm (132) through the connecting piece (133), and a Y-shaped shifting piece block (18) located below the latch bolt fixing arm (13) is further rotatably installed on the lock lower shell (10).
2. The latch bolt overturning mechanism of the lock set as claimed in claim 1, wherein: the spring bolt type spring fixing device is characterized by further comprising a U-shaped frame (19), the U-shaped frame (19) is installed in the groove (15), a first through hole (20) used for extending the clamping head (16) is formed in the side wall of the U-shaped frame (19), and the oblique tongue return spring (14) is fixed at the bottom of the groove of the U-shaped frame (19).
3. The latch bolt overturning mechanism of the lock set as claimed in claim 1, wherein: still install first fixed column (21) and second fixed column (22) on casing (10) under the tool to lock, Y type plectrum piece (18) rotationally connect on first fixed column (21), still are equipped with first reset spring (23) on Y type plectrum piece (18), and Y type plectrum piece (18) link to each other with second fixed column (22) through first reset spring (23).
4. The latch bolt overturning mechanism of the lock set as claimed in claim 1, wherein: the lock is characterized by further comprising a fixing bolt (24), a guide groove is further formed in the lower shell (10) of the lock, a second through hole (25) is further formed in the Y-shaped shifting piece block (18), and the fixing bolt (24) penetrates through the second through hole (25) to install the Y-shaped shifting piece block (18) on the guide groove.
5. The latch bolt overturning mechanism of the lock set as claimed in claim 1, wherein: still be equipped with third fixed column (26) on casing (10) under the tool to lock, be equipped with second reset spring (27) on third fixed column (26), the fixed left arm of oblique tongue (131) rotatable installation is on left third fixed column (26), and the fixed right arm of oblique tongue (132) rotatable installation is on the third fixed column (26) on right side, and second reset spring (27) all link to each other with the fixed left arm of oblique tongue (131) and the fixed right arm of oblique tongue (132).
6. The latch bolt overturning mechanism of the lock set as claimed in claim 3, wherein: the Y-shaped shifting block (18) is also provided with a plum blossom hole connected with the door handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009684.2U CN211622937U (en) | 2019-11-20 | 2019-11-20 | Inclined tongue turnover mechanism of lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009684.2U CN211622937U (en) | 2019-11-20 | 2019-11-20 | Inclined tongue turnover mechanism of lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211622937U true CN211622937U (en) | 2020-10-02 |
Family
ID=72626060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922009684.2U Expired - Fee Related CN211622937U (en) | 2019-11-20 | 2019-11-20 | Inclined tongue turnover mechanism of lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211622937U (en) |
-
2019
- 2019-11-20 CN CN201922009684.2U patent/CN211622937U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20201002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |