CN103806770A - Bolt - Google Patents
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- Publication number
- CN103806770A CN103806770A CN201410049602.6A CN201410049602A CN103806770A CN 103806770 A CN103806770 A CN 103806770A CN 201410049602 A CN201410049602 A CN 201410049602A CN 103806770 A CN103806770 A CN 103806770A
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- Prior art keywords
- bolt rod
- latch
- bolt
- spring
- cavity
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Abstract
The invention belongs to the technical field of bolts, and particularly relates to a bolt which comprises a bolt rod and a bolt box, wherein the bolt rod penetrates in the bolt box; the bolt box comprises a bolt shell and a base; the bolt shell is divided into a reset cavity and a safety cavity by a partition plate; a baffle for preventing the bolt rod from sliding down from the bolt box is fixed on the bolt rod; the bolt rod is also sleeved with a reset spring for resetting the bolt rod; both the baffle and the reset spring are arranged in the reset cavity; a safety pin, a positioning spring and a spring positioning block are assembled in the safety cavity; the spring positioning block is fixed at the lower middle part of the safety pin; the lower end of the positioning spring is connected with the spring positioning block and the positioning spring is arranged on the safety pin above the spring positioning block in a sleeved mode; the upper end of the safety pin penetrates out of the top of the safety cavity; a safety hole is formed in the bolt rod; the diameter of the safety hole is greater than the diameter of the safety pin. According to the bolt provided by the invention, the bolt rod slides toward the safety cavity so that the safety pin slides into the safety hole to realize self-locking of the bolt; automatic rebound of the bolt rod is realized by pulling out the safety pin.
Description
Technical field
The invention belongs to a cabinet latch technical field, relate in particular to a kind of 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 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 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 bolt rod is also set with the back-moving spring resetting for bolt rod, and described baffle plate and back-moving spring are all in described reset cavity;
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, on outside latch box one section of described bolt rod, be fixed with pushing hands.
Preferably, the top of described safety plug is provided with handle.
Preferably, the cross section of described bolt rod is circular.
Preferably, the cross section of described bolt rod is polygon.
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, bolt rod is also set with the back-moving spring resetting for bolt rod, and baffle plate and back-moving spring are all in described reset cavity; 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, bolt rod is slided 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 latch that the embodiment of the present invention provides.
Fig. 2 represents the duty sectional view of a kind of latch that the embodiment of the present invention provides.
Wherein, 1 pushing hands, 2 bolt rods, 3 latch boxes, 4 baffle plates, 5 back-moving springs, 6 reset cavitys, 7 insurance holes, 8 dividing plates, 9 spring locating pieces, 10 spheroform surfaces, 11 retainer springs, 12 safety plugs, 13 handles, 14 insurance cavitys, 15 bases.
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 latch, comprise bolt rod 2 and latch box 3, bolt rod 2 is installed in latch box 3, latch box 3 comprises latch housing and base 15, and latch housing is divided into reset cavity 6 and insurance cavity 14 by dividing plate 8, is fixed with the baffle plate 4 that prevents bolt rod 2 landing from latch box 3 on bolt rod 2, bolt rod 2 is also set with the back-moving spring 5 resetting for bolt rod 2, and baffle plate 4 and back-moving spring 5 are all in reset cavity 6; In insurance cavity 14, be equipped with safety plug 12, retainer spring 11 and spring locating piece 9, spring locating piece 9 is fixed on the middle and lower part of safety plug 12, retainer spring 11 lower ends are connected with spring locating piece 9, and be sleeved on the safety plug 12 of spring locating piece 9 tops, the upper end of safety plug 12 passes the top of insurance cavity 14; Bolt rod 2 is provided with insurance hole 7, and the diameter in insurance hole 7 is greater than the diameter of safety plug 12.
In embodiments of the present invention, latch comprises bolt rod 2 and latch box 3, and bolt rod 2 is installed in latch box 3, wherein, bolt rod 2 and latch box 3 are arranged on back door, support (omitting in figure) are installed, the hole alignment pins bar 2 on support in the position of the corresponding bolt rod 2 of doorframe.Base 15 is fixed on door, bolt rod 2 is placed on base 15, latch box 3 is buckled on base 15, latch box 3 has been divided into reset cavity 6 and insurance cavity 14 by dividing plate 8, and bolt rod 2 is fixed with baffle plate 4, and bolt rod 2 is also set with back-moving spring 5, back-moving spring 5 is all placed in reset cavity 6 with baffle plate 4, back-moving spring 5 can be fixedly connected with baffle plate 4 one end, and the other end is fixedly connected with the inwall of reset cavity 6, also can directly be set in bolt rod 2.Bolt rod 2 has insurance hole 7.The in-built safety plug 12 that is equipped with of insurance cavity 14, the cross section of safety plug 12 can be circle or polygon, the middle and lower part of safety plug 12 is fixed with spring locating piece 9, on spring locating piece 9, put and be set with retainer spring 11, the top of safety plug 12 passes the top of insurance cavity 14, latch is not in the time working, and night bolt props up bolt rod 2, and retainer spring 11 is in compressive state.
See Fig. 2, Fig. 2 is the duty sectional view of latch, on one section at bolt rod 2 outside latch box 3, be fixed with pushing hands 1, latch, in the time of work, is held pushing hands 1 latch is slided toward reset cavity 6 directions, 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 12, and spheroform surface 10 is arranged in the bottom of night bolt, conveniently slips into insurance hole 7, insurance hole 7 openings are offered chamfering, reduce safety plug 12 and the friction of insuring hole 7.Be provided with handle 13 at the top of safety plug 12, need to open the door time, mention handle 13, back-moving spring 5, according to bounce, is given 4 one buffer brakes of baffle plate, makes baffle plate 4 drive bolt rod 2 automatically toward resilience, without manually bolt rod 2 being back into initial position.Wherein, back-moving spring 5 can be set to helical spring.The cross section of bolt rod 2 also can be arranged to circle or polygon as required.
Latch of the present invention comprises bolt rod 2 and latch box 3, bolt rod 2 is installed in latch box 3, latch box 3 comprises latch housing and base 15, latch housing is divided into reset cavity 6 and insurance cavity 14 by dividing plate 8, on bolt rod 2, be fixed with the baffle plate 4 that prevents bolt rod 2 landing from latch box 3, bolt rod 2 is also set with the back-moving spring 5 resetting for bolt rod 2, and baffle plate 4 and back-moving spring 5 are all in reset cavity 6; In insurance cavity 14, be equipped with safety plug 12, retainer spring 11 and spring locating piece 9, spring locating piece 9 is fixed on the middle and lower part of safety plug 12, retainer spring 11 lower ends are connected with spring locating piece 9, and be sleeved on the safety plug 12 of spring locating piece 9 tops, the upper end of safety plug 12 passes the top of insurance cavity 14; Bolt rod 2 is provided with insurance hole 7, the diameter in insurance hole 7 is greater than the diameter of safety plug 12, bolt rod 2 is slided to insurance cavity 14, compression reseting spring 5, safety plug 12 is slipped in insurance hole 7, realize bolt self-locking, safety plug 12 is extracted from insurance hole 7, back-moving spring 5 back slides baffle plate 4 by bounce, thereby realizes the automatic rebounding of bolt rod 2.
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 (6)
1. a latch, comprises bolt rod (2) and latch box (3), and described bolt rod (2) is installed in latch box (3), and described latch box (3) comprises latch housing and base (15), it is characterized in that:
Described latch housing is divided into reset cavity (6) and insurance cavity (14) by dividing plate (8), on described bolt rod (2), be fixed with the baffle plate (4) that prevents bolt rod (2) landing from latch box (3), described bolt rod (2) is also set with the back-moving spring (5) resetting for bolt rod (2), and described baffle plate (4) and back-moving spring (5) are all in described reset cavity (6);
In described insurance cavity (14), be equipped with safety plug (12), retainer spring (11) and spring locating piece (9), described spring locating piece (9) is fixed on the middle and lower part of described safety plug (12), described retainer spring (11) lower end is connected with spring locating piece (9), and the safety plug (12) that is sleeved on spring locating piece (9) top is upper, the upper end of described safety plug (12) passes the top of insurance cavity (14);
Described bolt rod (2) is provided with insurance hole (7), and the diameter in described insurance hole (7) is greater than the diameter of safety plug (12).
2. latch as claimed in claim 1, is characterized in that: the bottom of described safety plug (12) is spheroform surface (10), and the opening in described insurance hole (7) has chamfering.
3. latch as claimed in claim 1, is characterized in that, on outside latch box (3) one section of described bolt rod (2), is fixed with pushing hands (1).
4. latch as claimed in claim 1, is characterized in that, the top of described safety plug (12) is provided with handle (13).
5. latch as claimed in claim 1, is characterized in that, the cross section of described bolt rod (2) is circular.
6. latch as claimed in claim 1, is characterized in that, the cross section of described bolt rod (2) is polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049602.6A CN103806770A (en) | 2014-02-13 | 2014-02-13 | Bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049602.6A CN103806770A (en) | 2014-02-13 | 2014-02-13 | Bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103806770A true CN103806770A (en) | 2014-05-21 |
Family
ID=50704105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410049602.6A Pending CN103806770A (en) | 2014-02-13 | 2014-02-13 | Bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103806770A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365528A (en) * | 2018-03-28 | 2018-08-03 | 刘旭玲 | A kind of high and low voltage switchgear facilitating locking |
| CN109847158A (en) * | 2019-03-08 | 2019-06-07 | 上海久融塑料制品有限公司 | A kind of capsule type dry powder inhaler |
| CN111111129A (en) * | 2019-12-10 | 2020-05-08 | 北京北电科林电子有限公司 | Intelligent table tennis table management system |
| CN111446652A (en) * | 2020-04-11 | 2020-07-24 | 徐冰 | Safe in utilization's power box |
| CN112593773A (en) * | 2020-04-11 | 2021-04-02 | 徐冰 | Power box |
| CN112627652A (en) * | 2020-11-24 | 2021-04-09 | 温州职业技术学院 | Locking device of household distribution box cover |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2344848A (en) * | 1998-12-18 | 2000-06-21 | Rover Group | A latch mechanism for a vehicle bonnet |
| CN2903292Y (en) * | 2006-04-20 | 2007-05-23 | 于守全 | Auto locking mechanism of aluminium alloy window |
| CN201110067Y (en) * | 2007-06-07 | 2008-09-03 | 郑杰锋 | Spring type window locating pin |
| CN202645208U (en) * | 2012-04-11 | 2013-01-02 | 张建平 | Safety pin |
| CN103375075A (en) * | 2012-04-27 | 2013-10-30 | 都江堰市凯鑫自动门技术有限公司 | Electromagnetic locking device for automatic door |
-
2014
- 2014-02-13 CN CN201410049602.6A patent/CN103806770A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2344848A (en) * | 1998-12-18 | 2000-06-21 | Rover Group | A latch mechanism for a vehicle bonnet |
| CN2903292Y (en) * | 2006-04-20 | 2007-05-23 | 于守全 | Auto locking mechanism of aluminium alloy window |
| CN201110067Y (en) * | 2007-06-07 | 2008-09-03 | 郑杰锋 | Spring type window locating pin |
| CN202645208U (en) * | 2012-04-11 | 2013-01-02 | 张建平 | Safety pin |
| CN103375075A (en) * | 2012-04-27 | 2013-10-30 | 都江堰市凯鑫自动门技术有限公司 | Electromagnetic locking device for automatic door |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365528A (en) * | 2018-03-28 | 2018-08-03 | 刘旭玲 | A kind of high and low voltage switchgear facilitating locking |
| CN109847158A (en) * | 2019-03-08 | 2019-06-07 | 上海久融塑料制品有限公司 | A kind of capsule type dry powder inhaler |
| CN109847158B (en) * | 2019-03-08 | 2021-05-18 | 上海久融塑料制品有限公司 | Capsule type dry powder inhaler |
| CN111111129A (en) * | 2019-12-10 | 2020-05-08 | 北京北电科林电子有限公司 | Intelligent table tennis table management system |
| CN111446652A (en) * | 2020-04-11 | 2020-07-24 | 徐冰 | Safe in utilization's power box |
| CN112593773A (en) * | 2020-04-11 | 2021-04-02 | 徐冰 | Power box |
| CN111446652B (en) * | 2020-04-11 | 2021-10-08 | 浙江海得成套设备制造有限公司 | Safe in utilization's power box |
| CN112627652A (en) * | 2020-11-24 | 2021-04-09 | 温州职业技术学院 | Locking device of household distribution box cover |
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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: 20140521 |