CN103790450A - Movable latch - Google Patents
Movable latch Download PDFInfo
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- CN103790450A CN103790450A CN201410049005.3A CN201410049005A CN103790450A CN 103790450 A CN103790450 A CN 103790450A CN 201410049005 A CN201410049005 A CN 201410049005A CN 103790450 A CN103790450 A CN 103790450A
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- latch
- insurance
- spring
- cavity
- bolt rod
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Abstract
The invention belongs to the technical field of latches and particularly relates to a movable latch. The movable latch comprises a latch rod and a latch box, wherein the latch box comprises a latch shell and a base, the latch shell is partitioned into a resetting cavity and an insurance cavity by a partition plate, a baffle which is used for preventing the latch rod from falling from the latch box is fixed on the latch rod, is located in the resetting cavity and penetrates out of the top of the resetting cavity, a sliding groove matched with the baffle is formed in the left upside of the resetting cavity, so as to enable the baffle to slide through the sliding groove, and a return spring which is used for returning the latch rod is further arranged in the resetting cavity; an insurance pin, a locating spring and a spring locating block are arranged in the insurance cavity, the spring locating block is fixed at the middle-lower part of the insurance pin, the lower end of the locating spring is connected with the spring locating block and is sleeved on the insurance pin above the spring locating block, and the upper end of the insurance pin penetrates out of the top of the insurance cavity; the latch rod is further provided with an insurance hole, and the diameter of the insurance hole is greater than that of the insurance pin. According to the movable latch, the self-locking of the latch and the automatic rebounding of the latch rod are realized.
Description
Technical field
The invention belongs to latch technical field, relate in particular to a kind of movable latch.
Background technology
Latch, is a kind of simple components that prevents that door from opening, and is generally metal, point two parts, and a part is with mobilizable bar, and a part is one " hole ".Conventionally the partial fixing with bar is on door, and hole is fixed on doorframe, and position wants corresponding.Simple in structure more a lot of than what lock, but effect is suitable, is just locked in outdoors, and latch is in door.When use, bar is inserted in hole.
Existing latch generally comprises inserted link and hand driving lever, and inserted link is generally cylindricality, and its front and back end is generally large, when use, the rear end of inserted link is generally slipped in suitable support, in the time that needs open the door, hand driving lever is skidded off from support, can not automatically from support, eject, it is convenient not to use.
Summary of the invention
The embodiment of the present invention provides a kind of movable latch, is intended to solve the problem that existing latch can not automatically eject in the time opening the door from support.
The embodiment of the present invention is achieved in that a kind of movable latch, comprises bolt rod and latch box, and described bolt rod is installed in latch box, and described latch box comprises latch housing and base,
Described latch housing is divided into reset cavity and insurance cavity by dividing plate, on described bolt rod, be fixed with the baffle plate that prevents bolt rod landing from latch box, described baffle plate is in reset cavity, and pass the top of described reset cavity, described reset cavity upper left side has the sliding tray matching with baffle plate, baffle plate can be slided by sliding tray, in described reset cavity, be also provided with the back-moving spring resetting for bolt rod;
In described insurance cavity, be equipped with safety plug, retainer spring and spring locating piece, described spring locating piece is fixed on the middle and lower part of described safety plug, described retainer spring lower end is connected with spring locating piece, and be sleeved on the safety plug of spring locating piece top, the upper end of described safety plug passes the top of insurance cavity;
Described bolt rod is provided with insurance hole, and the diameter in described insurance hole is greater than the diameter of safety plug.
Preferably, the bottom of described safety plug is spheroform surface, and the opening in described insurance hole has chamfering.
Preferably, the top of described safety plug is provided with handle.
Preferably, the cross section of described bolt rod is circle or polygon.
Preferably, described back-moving spring is helical spring or cone shaped spring.
Movable latch of the present invention comprises bolt rod and latch box, bolt rod is installed in latch box, latch box comprises latch housing and base, latch housing is divided into reset cavity and insurance cavity by dividing plate, on bolt rod, be fixed with the baffle plate that prevents bolt rod landing from latch box, baffle plate is in reset cavity, and pass the top of described reset cavity, reset cavity upper left side has the sliding tray matching with baffle plate, baffle plate can be slided by sliding tray, in reset cavity, be also provided with the back-moving spring resetting for bolt rod; In insurance cavity, be equipped with safety plug, retainer spring and spring locating piece, spring locating piece is fixed on the middle and lower part of safety plug, retainer spring lower end is connected with spring locating piece, and is sleeved on the safety plug of spring locating piece top, and the upper end of safety plug passes the top of insurance cavity; Bolt rod is provided with insurance hole, the diameter in insurance hole is greater than the diameter of safety plug, hold baffle plate slides bolt rod in sliding tray to insurance cavity, compression reseting spring, safety plug is slipped in insurance hole, realize bolt self-locking, safety plug is extracted from insurance hole, back-moving spring back slides baffle plate by bounce, thereby realizes the automatic rebounding of bolt rod.
Accompanying drawing explanation
Fig. 1 represents the main sectional view of a kind of movable latch that the embodiment of the present invention provides.
Fig. 2 represents the duty sectional view of a kind of movable latch that the embodiment of the present invention provides.
Wherein, 1 latch housing, 2 baffle plates, 3 sliding trays, 4 back-moving springs, 5 reset cavitys, 6 bolt rods, 7 insurance holes, 8 bases, 9 dividing plates, 10 handles, 11 safety plugs, 12 insurance cavitys, 13 retainer springs, 14 spring locating pieces, 15 spheroform surfaces.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
See Fig. 1, Fig. 1 is the main sectional view of movable latch, comprise bolt rod 6 and latch box, bolt rod 6 is installed in latch box, latch box comprises latch housing 1 and base 8, latch housing 1 is divided into reset cavity 5 and insurance cavity 12 by dividing plate 9, on bolt rod 6, be fixed with the baffle plate 2 that prevents bolt rod 6 landing from latch box, baffle plate 2 is in reset cavity 5, and pass the top of reset cavity 5, reset cavity 5 upper left sides have the sliding tray 3 matching with baffle plate 2, baffle plate 2 can be slided by sliding tray 3, in reset cavity 5, be also provided with the back-moving spring 4 resetting for bolt rod 6, in insurance cavity 12, be equipped with safety plug 11, retainer spring 13 and spring locating piece 14, spring locating piece 14 is fixed on the middle and lower part of safety plug 11, retainer spring 13 lower ends are connected with spring locating piece 14, and be sleeved on the safety plug 11 of spring locating piece 14 tops, the upper end of safety plug 11 passes the top of insurance cavity 12, bolt rod 6 is provided with insurance hole 7, and the diameter in insurance hole 7 is greater than the diameter of safety plug 11.
In embodiments of the present invention, latch comprises bolt rod 6 and latch box, and bolt rod 6 is installed in latch box, wherein, bolt rod 6 and latch box are arranged on back door, support (omitting in figure) are installed, the hole alignment pins bar 6 on support in the position of the corresponding bolt rod 6 of doorframe.Base 8 is fixed on door, bolt rod 6 is placed on base 8, latch box is buckled on base 8, latch box has been divided into reset cavity 5 and insurance cavity 12 by dividing plate 9, bolt rod 6 is fixed with baffle plate 2, baffle plate 2 is in reset cavity 5, and pass the top of described reset cavity 5, reset cavity 5 upper left sides have sliding tray 3, reset cavity 5 is provided with back-moving spring 4, back-moving spring 4 can be fixedly connected with baffle plate 2 one end, and the other end is fixedly connected with the inwall of reset cavity 5, also can directly be placed in reset cavity 5.Bolt rod 6 has insurance hole 7.The in-built safety plug 11 that is equipped with of insurance cavity 12, the cross section of safety plug 11 can be circle or polygon, the middle and lower part of safety plug 11 is fixed with spring locating piece 14, on spring locating piece 14, put and be set with retainer spring 13, the top of safety plug 11 passes the top of insurance cavity 12, latch is not in the time working, and night bolt props up bolt rod 6, and retainer spring 13 is in compressive state.
See Fig. 2, Fig. 2 is the duty sectional view of movable latch, latch is in the time of work, hold baffle plate 2 latch is interior toward the 5 directions slips of reset cavity at sliding tray 3, night bolt bottom is slipped in insurance hole 7, the slightly larger in diameter in insurance hole 7 is in the diameter of safety plug 11, spheroform surface 15 is arranged in the bottom of night bolt, conveniently slip into insurance hole 7, insurance hole 7 openings are offered chamfering, reduce safety plug 11 and the friction of insuring hole 7.Be provided with handle 10 at the top of safety plug 11, need to open the door time, mention handle 10, back-moving spring 4, according to bounce, is given 2 one buffer brakes of baffle plate, makes baffle plate 2 drive bolt rod 6 automatically toward resilience, without manually bolt rod 6 being back into initial position.Wherein, back-moving spring 4 can be set to helical spring or cone shaped spring, and cone shaped spring can extend the stroke of spring in the time of bounce-back.The cross section of bolt rod 6 also can be arranged to circle or polygon as required.
Movable latch of the present invention comprises bolt rod 6 and latch box, bolt rod 6 is installed in latch box, latch box comprises latch housing 1 and base 8, latch housing 1 is divided into reset cavity 5 and insurance cavity 12 by dividing plate 9, on bolt rod 6, be fixed with the baffle plate 2 that prevents bolt rod 6 landing from latch box, baffle plate 2 is in reset cavity 5, and pass the top of reset cavity 5, reset cavity 5 upper left sides have the sliding tray 3 matching with baffle plate 2, baffle plate 2 can be slided by sliding tray 3, in reset cavity 5, be also provided with the back-moving spring 4 resetting for bolt rod 6; In insurance cavity 12, be equipped with safety plug 11, retainer spring 13 and spring locating piece 14, spring locating piece 14 is fixed on the middle and lower part of safety plug 11, retainer spring 13 lower ends are connected with spring locating piece 14, and be sleeved on the safety plug 11 of spring locating piece 14 tops, the upper end of safety plug 11 passes the top of insurance cavity 12; Bolt rod 6 is provided with insurance hole 7, the diameter in insurance hole 7 is greater than the diameter of safety plug 11, holding baffle plate 2 slides bolt rod 6 to insurance cavity 12, compression reseting spring 4, safety plug 11 is slipped in insurance hole 7, realize bolt self-locking, safety plug 11 is extracted from insurance hole 7, back-moving spring 4 back slides baffle plate 2 by bounce, thereby realizes the automatic rebounding of bolt rod 6.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a movable latch, comprises bolt rod (6) and latch box, and described bolt rod (6) is installed in latch box, and described latch box comprises latch housing (1) and base (8), it is characterized in that:
Described latch housing (1) is divided into reset cavity (5) and insurance cavity (12) by dividing plate (9), on described bolt rod (6), be fixed with the baffle plate (2) that prevents bolt rod (6) landing from latch box, described baffle plate (2) is in reset cavity (5), and pass the top of described reset cavity (5), described reset cavity (5) upper left side has the sliding tray (3) matching with baffle plate (2), baffle plate (2) can be slided by sliding tray (3), in described reset cavity (5), be also provided with the back-moving spring (4) resetting for bolt rod (6),
In described insurance cavity (12), be equipped with safety plug (11), retainer spring (13) and spring locating piece (14), described spring locating piece (14) is fixed on the middle and lower part of described safety plug (11), described retainer spring (13) lower end is connected with spring locating piece (14), and the safety plug (11) that is sleeved on spring locating piece (14) top is upper, the upper end of described safety plug (11) passes the top of insurance cavity (12);
Described bolt rod (6) is provided with insurance hole (7), and the diameter in described insurance hole (7) is greater than the diameter of safety plug (11).
2. movable latch as claimed in claim 1, is characterized in that: the bottom of described safety plug (11) is spheroform surface (15), and the opening in described insurance hole (7) has chamfering.
3. movable latch as claimed in claim 1, is characterized in that, the top of described safety plug (11) is provided with handle (10).
4. movable latch as claimed in claim 1, is characterized in that, the cross section of described bolt rod (6) is circle or polygon.
5. movable latch as claimed in claim 1, is characterized in that, described back-moving spring (4) is helical spring or cone shaped spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049005.3A CN103790450A (en) | 2014-02-13 | 2014-02-13 | Movable latch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049005.3A CN103790450A (en) | 2014-02-13 | 2014-02-13 | Movable latch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103790450A true CN103790450A (en) | 2014-05-14 |
Family
ID=50666464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410049005.3A Pending CN103790450A (en) | 2014-02-13 | 2014-02-13 | Movable latch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790450A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104522856A (en) * | 2014-12-31 | 2015-04-22 | 重庆市喜植机械设备有限公司 | Crossing bracket type vertical wind dehydrating frame |
| CN105393712A (en) * | 2015-12-09 | 2016-03-16 | 蒙林 | Sugarcane bundling machine with preloading device |
| CN106821715A (en) * | 2016-12-28 | 2017-06-13 | 王慧 | Intelligent nasal cavity postoperative care instrument |
| CN108058381A (en) * | 2017-12-30 | 2018-05-22 | 王世美 | A kind of 3D printer of high-accuracy high-efficiency rate |
| CN110230446A (en) * | 2019-07-01 | 2019-09-13 | 广东合和建筑五金制品有限公司 | A kind of device having locking functions suitable for fence |
| CN113043933A (en) * | 2021-03-26 | 2021-06-29 | 重庆千能机械制造有限公司 | Turnover vehicle side protective guard assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167163Y (en) * | 1993-06-01 | 1994-06-01 | 雷启元 | Spring lock bolt |
| JPH07113368A (en) * | 1993-10-18 | 1995-05-02 | Takigen Mfg Co Ltd | Gate bar type latch device |
| CN2209202Y (en) * | 1994-07-13 | 1995-10-04 | 朱龚彪 | Self-locking bolt for door or window |
| RU2107797C1 (en) * | 1996-05-30 | 1998-03-27 | Евгений Васильевич Бусыгин | Door bolt with handle-button |
| US20060186673A1 (en) * | 2005-02-23 | 2006-08-24 | Ming-Fuh Wong | Latch assembly |
| CN202645208U (en) * | 2012-04-11 | 2013-01-02 | 张建平 | Safety pin |
-
2014
- 2014-02-13 CN CN201410049005.3A patent/CN103790450A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167163Y (en) * | 1993-06-01 | 1994-06-01 | 雷启元 | Spring lock bolt |
| JPH07113368A (en) * | 1993-10-18 | 1995-05-02 | Takigen Mfg Co Ltd | Gate bar type latch device |
| CN2209202Y (en) * | 1994-07-13 | 1995-10-04 | 朱龚彪 | Self-locking bolt for door or window |
| RU2107797C1 (en) * | 1996-05-30 | 1998-03-27 | Евгений Васильевич Бусыгин | Door bolt with handle-button |
| US20060186673A1 (en) * | 2005-02-23 | 2006-08-24 | Ming-Fuh Wong | Latch assembly |
| CN202645208U (en) * | 2012-04-11 | 2013-01-02 | 张建平 | Safety pin |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104522856A (en) * | 2014-12-31 | 2015-04-22 | 重庆市喜植机械设备有限公司 | Crossing bracket type vertical wind dehydrating frame |
| CN105393712A (en) * | 2015-12-09 | 2016-03-16 | 蒙林 | Sugarcane bundling machine with preloading device |
| CN105393712B (en) * | 2015-12-09 | 2018-07-27 | 蒙林 | Sugarcane baler with pre-tightening apparatus |
| CN106821715A (en) * | 2016-12-28 | 2017-06-13 | 王慧 | Intelligent nasal cavity postoperative care instrument |
| CN108058381A (en) * | 2017-12-30 | 2018-05-22 | 王世美 | A kind of 3D printer of high-accuracy high-efficiency rate |
| CN110230446A (en) * | 2019-07-01 | 2019-09-13 | 广东合和建筑五金制品有限公司 | A kind of device having locking functions suitable for fence |
| CN113043933A (en) * | 2021-03-26 | 2021-06-29 | 重庆千能机械制造有限公司 | Turnover vehicle side protective guard assembly |
| CN113043933B (en) * | 2021-03-26 | 2023-02-28 | 重庆千能机械制造有限公司 | Turnover vehicle side protective guard assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |