CN205487783U - Limit switch with force disconnected opening mechanism - Google Patents
Limit switch with force disconnected opening mechanism Download PDFInfo
- Publication number
- CN205487783U CN205487783U CN201620023453.0U CN201620023453U CN205487783U CN 205487783 U CN205487783 U CN 205487783U CN 201620023453 U CN201620023453 U CN 201620023453U CN 205487783 U CN205487783 U CN 205487783U
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- China
- Prior art keywords
- release mechanism
- limit switch
- slide core
- pressure release
- cavity
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Abstract
The utility model provides a limit switch with force disconnected opening mechanism, including switch shell, pushing mechanism and manual canceling release mechanical system, manual canceling release mechanical system fixed mounting is in one side of switch shell, pushing mechanism sets up the positive centre at switch shell to pushing mechanism controls two cavitys for the line of demarcation forms, is left cavity and right cavity respectively, inside static contact, moving contact and " V " type spring of being provided with of cavity to the below of left side cavity static contact is provided with forces disconnected opening mechanism, can guarantee that the on -off action is not influenced under the condition that the main spring became invalid, has improved the security, and inside dustproof cap and waterproof cover all have the setting at left cavity and right cavity to limit switch, and the symmetric distribution still including dustproof cap and waterproof cover simultaneously, and the leakproofness is better, can improve limit switch's life.
Description
Technical field
This utility model relates to technical field of electric control, particularly relates to a kind of limit switch having and forcing release mechanism.
Background technology
Elevator is used for transporting goods and carry the floor that passenger is the most common in life, the highest, and therefore elevator safety is particularly significant, and limit switch is widely used in elevator industry, and the security performance increasing limit switch is the most necessary.
As notification number is: the Chinese patent of CN201904233U discloses a kind of safety contact-type limit switch, including housing, static contact, the operating head being arranged on housing upper and rotating shaft and moving contact, it is arranged on axle and the spring base of rotating shaft lower end and spring, outside housing upper operating head, rotating shaft end is provided with connector and pendulous device, connector is to be riveted into one by connection sheet and pivot pin, pendulous device is roller, described roller housing is contained on the pivot pin of connector, is provided with rotatable operating head on housing.Can also adopt the following technical scheme that rotating shaft is positioned at the one end outside housing head and installs connector, rubber roll successively, connector is sleeved on rotating shaft boss and is adjacent to packing ring and is compressed by trip bolt.Rotating shaft is positioned at the one end outside housing head and is coated with connector, steel roller successively, and connector is installed on and is shaped with in the termination rotating shaft of convex striped and is clamped by trip bolt.The shortcoming of this structure is: enclosure interior uses direct-push spring, is not involved with forcing break-make, and security performance is the highest, does not the most increase the device of water proof and dust proof, and degree of protection is relatively low, the most protected from environmental, and the use time is the longest.
Utility model content
For overcoming limit switch present in prior art to lack pressure break-make, the problems such as security performance is low and the most affected by environment, this utility model provides a kind of limit switch having and forcing release mechanism.
Technical solution adopted in the utility model is: a kind of have the limit switch forcing release mechanism, including switch case, pushing mechanism and manual reset mechanism, described manual reset mechanism is fixedly mounted on the side of switch case, described pushing mechanism is arranged on the middle of switch case, two cavitys about being formed with pushing mechanism for demarcation line, the most left cavity and right cavity；Described pushing mechanism includes push rod cap, push rod, slide core, main sliding support and master reset spring, described push rod cap and the fixing connection of push rod, described slide core is in falling " work " shape, main sliding support is in " convex " shape, the upper end of described slide core is mutually embedding with the bottom of push rod, and the lower end of slide core is mutually embedding with the upper end of main sliding support；The lower end of main sliding support offsets with the upper end of master reset spring, the lower end of master reset spring is fixing with switch case to be connected, described slide core includes front slide core and rear slide core, described front slide core and rear slide core are set up in parallel, it is characterized in that: the two ends up and down of described left cavity and right cavity are all fixedly installed static contact, described static contact right opposite is provided with moving contact, moving contact in described left cavity is fixedly connected with secondary sliding support, the described middle equal hollow out in addition to " ten " word of secondary sliding support, and " ten " word upper and lower two ends openwork part is provided with moving contact back-moving spring, described moving contact back-moving spring offsets with moving contact；The lower section of described left cavity static contact is provided with pressure release mechanism.
On this basis, the two ends of described pressure release mechanism tilt, and two ends angle is obtuse angle and mid portion highlights.
On this basis, described pressure release mechanism mid portion offsets with static contact, and left end offsets with secondary sliding support, and right-hand member is unsettled.
On this basis, described pressure release mechanism is Polyformaldehyde product.
On this basis, the both sides of described front slide core are additionally provided with " V " type spring, and before the side embedding of described " V " type spring, slide core is fixing with front slide core is connected, and the opposite side of described " V " type spring is fixing with switch case to be connected.
On this basis, also including dust cap and waterproof jacket, described dust cap and waterproof jacket all has setting at left cavity and right cavity, and symmetrical.
On this basis, described waterproof jacket is inverted " L " shape, and described waterproof jacket is mutually embedding with switch case.
On this basis, described dust cap is in " Z " shape, and the upper end of described dust cap is mutually embedding with push rod, and the lower end of described dust cap offsets with waterproof jacket.
On this basis, described waterproof jacket is rubber waterproof set, and described dust cap is rubber dust-proof cap.
On this basis, described switch case top is provided with pulley assembly, and described pulley assembly is fixed by screws in the surface of push rod cap.
Compared with prior art, the beneficial effects of the utility model are:
1, the both sides of front slide core are provided with " V " type spring, and before the side embedding of " V " type spring, slide core is fixing with front slide core is connected, and the opposite side of " V " type spring is fixing with the secondary sliding support in the cavity of left and right to be connected.Design ingenious, simple in construction, simplify parts, it is possible to realize break-make and the self-recoverage of limit switch, saved cost.
2, on the basis of " V " type spring and master reset spring, it is provided with pressure release mechanism, release mechanism two ends are forced all to tilt, utilize the lever principle can be in the case of spring failure, it is ensured that the break-make of limit switch is normal, when this limit switch uses on elevator, effect is more significantly, improve security performance, it is ensured that personal safety, be suitable for promoting, and material is that polyformaldehyde is tough and tensile flexible, geometrical stability is good.
3, the design is provided with waterproof jacket and dust cap, and the material of waterproof jacket and dust cap is that rubber, toughness and sealing are preferable, and degree of protection is higher, is difficult to protected from environmental, and applied widely, service life is long.
4, pulley assembly is fixed by screws in the surface of push rod cap, convenient disassembly, can change the accessory of other effects, it is possible to uses difference in functionality, simplifies parts, more utility model, also save cost.
Accompanying drawing explanation
Fig. 1 is a kind of limit switch schematic diagram having and forcing release mechanism；
Fig. 2 is a kind of limit switch schematic diagram having and forcing release mechanism；
Fig. 3 is a kind of limit switch closure state schematic diagram having and forcing release mechanism；
Fig. 4 is a kind of spacing open state pass schematic diagram of performing fighting having and forcing release mechanism.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As shown in Figure 1, 2: a kind of have the limit switch forcing release mechanism, including switch case 6, pushing mechanism 17 and manual reset mechanism 16, manual reset mechanism 16 is fixedly mounted on the side of switch case 6, pushing mechanism 17 is arranged on the middle of switch case, two cavitys about being formed with pushing mechanism 17 for demarcation line, the most left cavity 18 and right cavity 19；Pushing mechanism 17 includes push rod cap 2, push rod 5, slide core 13, main sliding support 14 and master reset spring 12, push rod cap 2 and the fixing connection of push rod 5, slide core 13 is in falling " work " shape, main sliding support 14 is in " convex " shape, the upper end of slide core 13 is mutually embedding with the bottom of push rod 5, and the lower end of slide core 13 is mutually embedding with the upper end of main sliding support 14；Slide core 13 includes front slide core 131 and rear slide core 132, front slide core 131 and rear slide core 132 are set up in parallel, the lower end of main sliding support 14 offsets with the upper end of master reset spring 12, the lower end of master reset spring 12 is fixing with switch case 6 to be connected, the two ends up and down of left cavity 18 and right cavity 19 are all fixedly installed static contact 7, static contact 7 right opposite is provided with moving contact 8, moving contact 8 in left cavity 18 is fixedly connected with secondary sliding support 10, the middle equal hollow out in addition to " ten " word of secondary sliding support 10, and " ten " word upper and lower two ends openwork part is provided with moving contact back-moving spring 9, moving contact back-moving spring 9 offsets with moving contact 8；Left cavity 18 is symmetrical with right cavity 19；The both sides of front slide core 131 are provided with " V " type spring 15, and the side embedding slide core 13 of " V " type spring 15 is fixing with front slide core 131 to be connected, and the opposite side of " V " type spring 15 is fixing with switch case 6 to be connected.Design ingenious, simple in construction, simplify parts, it is possible to realize break-make and the self-recoverage of limit switch, saved cost.Switch case 6 top is provided with pulley assembly 1, and described pulley assembly 1 is fixed by screws in the surface of push rod cap 2.Convenient disassembly, can change the accessory of other effects, it is possible to use 26 kinds of difference in functionalitys, simplify parts, more utility model.
As it is shown in figure 1, also include pressure release mechanism 11, force release mechanism 11 and rear slide core 132 to be arranged on homonymy, be specifically located at the lower section of left cavity 18 static contact 7.The two ends forcing release mechanism 11 tilt, and two ends angle is that obtuse angle and mid portion highlight.Forcing release mechanism 11 mid portion to offset with static contact 7, left end offsets with secondary sliding support 10, and right-hand member is unsettled.The material forcing release mechanism 11 is polyformaldehyde.It is provided with pressure release mechanism on the basis of " V " type spring and master reset spring, release mechanism two ends are forced all to tilt, utilize the lever principle can be in the case of spring failure, it is ensured that the break-make of limit switch is normal, when this limit switch uses on elevator, effect is more significantly, improve security performance, it is ensured that personal safety, be suitable for promoting, and material is that polyformaldehyde is tough and tensile flexible, geometrical stability is good.
As it is shown in figure 1, also include dust cap 3 and waterproof jacket 4, described dust cap 3 and waterproof jacket 4 all have setting at left cavity 18 and right cavity 19, and symmetrical.Waterproof jacket 4 is in inverted " L " shape, and waterproof jacket 4 is mutually embedding with switch case 6.Dust cap 3 is in " Z " shape, and the upper end of described dust cap 3 is mutually embedding with push rod 5, and the lower end of described dust cap 3 offsets with waterproof jacket 4.Waterproof jacket 4 is rubber with the material of dust cap 3.The design is provided with waterproof jacket and dust cap, and the material of waterproof jacket and dust cap is that rubber, toughness and sealing are preferable, and degree of protection is higher, is difficult to protected from environmental, and applied widely, service life is long.
As shown in Figure 3,4, press under roll wheel assembly 1 stress, press push rod cap 2 and push rod 5, push rod 5 presses main sliding support 14, main sliding support 14 is pushed down the side reflex action of Compulsory reduction mechanism 11 and is played secondary sliding support 10, thus drives moving contact 8 to be allowed to static contact 7 and contact, and limit switch is opened；When the pressure of pulley assembly 1 is cancelled, the side reflex action of Compulsory reduction mechanism 11 plays rear slide core 132 and main sliding support 14 so that moving contact 8 separates with static contact 7, and limit switch cuts out, even if ensureing that on-off action is the most unaffected in the case of master reset spring 12 lost efficacy.
Described above illustrate and describes preferred embodiment of the present utility model, as previously mentioned, it is to be understood that this utility model is not limited to form disclosed herein, it is not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and environment, and can be modified by above-mentioned teaching or the technology of association area or knowledge in utility model contemplated scope described herein.And the change that those skilled in the art are carried out and change are without departing from spirit and scope of the present utility model, the most all should be in the protection domain of this utility model claims.
Claims (10)
1. one kind has the limit switch forcing release mechanism, including switch case (6), pushing mechanism (17) and manual reset mechanism (16), described manual reset mechanism (16) is fixedly mounted on the side of switch case (6), described pushing mechanism (17) is arranged on the middle of switch case (6), it is two cavitys about demarcation line is formed with pushing mechanism (17), the most left cavity (18) and right cavity (19)；Described pushing mechanism (17) includes push rod cap (2), push rod (5), slide core (13), main sliding support (14) and master reset spring (12), described push rod cap (2) and the fixing connection of push rod (5), described slide core (13) is in falling " work " shape, main sliding support (14) is in " convex " shape, the upper end of described slide core (13) is mutually embedding with the bottom of push rod (5), and the lower end of slide core (13) is mutually embedding with the upper end of main sliding support (14)；nullThe lower end of main sliding support (14) offsets with the upper end of master reset spring (12)，The lower end of master reset spring (12) is fixing with switch case (6) to be connected，Described slide core (13) includes front slide core (131) and rear slide core (132)，Described front slide core (131) and rear slide core (132) are set up in parallel，It is characterized in that: the two ends up and down of described left cavity (18) and right cavity (19) are all fixedly installed static contact (7)，Described static contact (7) right opposite is provided with moving contact (8)，Moving contact (8) in described left cavity (18) is fixedly connected with secondary sliding support (10)，The described middle equal hollow out in addition to " ten " word of secondary sliding support (10)，And " ten " word upper and lower two ends openwork part is provided with moving contact back-moving spring (9)，Described moving contact back-moving spring (9) offsets with moving contact (8)；The lower section of described left cavity (18) static contact (7) is provided with pressure release mechanism (11).
The most according to claim 1 a kind of have the limit switch forcing release mechanism, it is characterised in that: the two ends of described pressure release mechanism (11) tilt, and two ends angle is obtuse angle and mid portion highlights.
A kind of limit switch with pressure release mechanism the most according to claim 2, it is characterized in that: described pressure release mechanism (11) mid portion offsets with static contact (7), left end offsets with secondary sliding support (10), and right-hand member is unsettled.
A kind of limit switch with pressure release mechanism the most according to claim 3, it is characterised in that: described pressure release mechanism (11) is Polyformaldehyde product.
A kind of limit switch with pressure release mechanism the most according to claim 1, it is characterized in that: the both sides of described front slide core (131) are additionally provided with " V " type spring (15), before the side embedding of described " V " type spring (15), slide core (131) is fixing with front slide core (131) is connected, and the opposite side of described " V " type spring (15) is fixing with switch case (6) to be connected.
A kind of limit switch with pressure release mechanism the most according to claim 1, it is characterized in that: also include dust cap (3) and waterproof jacket (4), described dust cap (3) and waterproof jacket (4) all have setting at left cavity (18) and right cavity (19), and symmetrical.
A kind of limit switch with pressure release mechanism the most according to claim 6, it is characterised in that: described waterproof jacket (4) is in inverted " L " shape, and described waterproof jacket (4) is mutually embedding with switch case (6).
A kind of limit switch with pressure release mechanism the most according to claim 6, it is characterized in that: described dust cap (3) is in " Z " shape, the upper end of described dust cap (3) is mutually embedding with push rod (5), and the lower end of described dust cap (3) offsets with waterproof jacket (4).
A kind of limit switch with pressure release mechanism the most according to claim 6, it is characterised in that: described waterproof jacket (4) is rubber waterproof set (4), and described dust cap (3) is rubber dust-proof cap (3).
A kind of limit switch with pressure release mechanism the most according to claim 1, it is characterized in that: described switch case (6) top is provided with pulley assembly (1), described pulley assembly (1) is fixed by screws in the surface of push rod cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023453.0U CN205487783U (en) | 2016-01-11 | 2016-01-11 | Limit switch with force disconnected opening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023453.0U CN205487783U (en) | 2016-01-11 | 2016-01-11 | Limit switch with force disconnected opening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487783U true CN205487783U (en) | 2016-08-17 |
Family
ID=56666866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620023453.0U Expired - Fee Related CN205487783U (en) | 2016-01-11 | 2016-01-11 | Limit switch with force disconnected opening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487783U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799346A (en) * | 2017-12-04 | 2018-03-13 | 漳州聚安美电气科技有限公司 | With the microswitch for forcing separating mechanism |
| CN107833778A (en) * | 2017-12-04 | 2018-03-23 | 漳州聚安美电气科技有限公司 | Band is forced to separate universal microswitch |
| CN107845515A (en) * | 2017-12-04 | 2018-03-27 | 漳州聚安美电气科技有限公司 | With the microswitch for forcing separating mechanism |
| CN108305799A (en) * | 2017-01-11 | 2018-07-20 | 进联电子科技(上海)有限公司 | Switching device structure-improved |
-
2016
- 2016-01-11 CN CN201620023453.0U patent/CN205487783U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305799A (en) * | 2017-01-11 | 2018-07-20 | 进联电子科技(上海)有限公司 | Switching device structure-improved |
| CN108305799B (en) * | 2017-01-11 | 2022-04-12 | 进联电子科技(上海)有限公司 | Improved structure of switch device |
| CN107799346A (en) * | 2017-12-04 | 2018-03-13 | 漳州聚安美电气科技有限公司 | With the microswitch for forcing separating mechanism |
| CN107833778A (en) * | 2017-12-04 | 2018-03-23 | 漳州聚安美电气科技有限公司 | Band is forced to separate universal microswitch |
| CN107845515A (en) * | 2017-12-04 | 2018-03-27 | 漳州聚安美电气科技有限公司 | With the microswitch for forcing separating mechanism |
| CN107833778B (en) * | 2017-12-04 | 2020-11-06 | 漳州聚安美电气科技有限公司 | General microswitch with forced separation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20190111 |