CN202970084U - Loose chain detection switch - Google Patents
Loose chain detection switch Download PDFInfo
- Publication number
- CN202970084U CN202970084U CN 201220698398 CN201220698398U CN202970084U CN 202970084 U CN202970084 U CN 202970084U CN 201220698398 CN201220698398 CN 201220698398 CN 201220698398 U CN201220698398 U CN 201220698398U CN 202970084 U CN202970084 U CN 202970084U
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- China
- Prior art keywords
- contact
- normally closed
- guide rod
- brace
- armature
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- Expired - Lifetime
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Abstract
The utility model discloses a loose chain detection switch which comprises mechanical conducting components, an electrical switch body, and a contact block which contacts the chain. The lower portion of the contact block is connected with the mechanical conducting components, and the mechanical conducting components are connected with the electrical switch body. The loose chain detection switch can sent out reminding or warning in the condition that chains of mechanical stereo parking equipment are loose or broken, and is beneficial for safety protection work of the stereo parking equipment.
Description
Technical field
The utility model relates to switch, particularly relates to loose chain sense switch.
Background technology
In mechanical three-dimensional parking device, chain-loose or crack conditions are not remind or caution when occurring now, but chain breakage and loosening situation danger can occur and jeopardize personnel and the vehicle property safety.
Summary of the invention
The utility model is completed in order to solve deficiency of the prior art; the purpose of this utility model is to provide and can reminds or warn under mechanical three-dimensional parking device chain-loose or crack conditions, is conducive to the loose chain sense switch of three-dimensional parking apparatus safeguard protection work.
Loose chain sense switch of the present utility model comprises mechanical conductive assembly, electric switch main body and the contact block that contacts with chain, is connected with the mechanical conductive assembly below described contact block, and described mechanical conductive assembly is connected with described electric switch main body.
Loose chain sense switch of the present utility model can also be:
Described electric switch main body comprises housing and is positioned at the normally closed fixed contact of housing internal upper part, is positioned at often opening fixed contact and being positioned at movable contact assembly in the middle part of housing of housing bottom, and described movable contact assembly contacts with the described fixed contact of often opening with normally closed fixed contact respectively.
Described movable contact assembly comprises normally closed armature contact and Chang Kai armature contact, and described normally closed armature contact contacts liftedly with described normally closed fixed contact, and the described armature contact of often opening contacts liftedly with the described fixed contact of often opening.
Describedly often open fixed contact and described normally closed fixed contact is two, describedly often open armature contact and described normally closed armature contact is two, described two often open between armature contact and two normally closed armature contacts between connect by often opening brace and being connected brace respectively, described two often open between armature contact and two normally closed armature contacts between lay respectively at the bottom of often opening brace and the top of normally closed brace.
Described electric switch main body also comprises pushing block, describedly often open brace and described normally closed brace passes across described pushing block from described pushing block side, described pushing block below arranges the bottom spring, the top of described bottom spring and described pushing block soffit offset, the bottom of described bottom spring and the housing bottom of electric switch main body offset, and described mechanical conductive assembly bottom is connected with described pushing block by protruding block.
Described pushing block center of inside is fixed with barrier, upper springs and lower springs are set in described pushing block, described upper springs is arranged between described barrier upper surface and described normally closed brace soffit, and described lower springs is arranged at described barrier and soffit and described often opening between the brace upper surface.
The mechanical conductive assembly comprises guide rod assembly and the conducting spring that is connected with described guide rod assembly, described guide rod assembly comprises top guide rod and bottom guide rod, described conducting spring is arranged between described top guide rod and described bottom guide rod, described contact block lower end is connected with the top guide rod, and described bottom guide rod is connected with described electric switch main body top.
Described top guide rod lower central arranges inward recess, and the upper end of described conducting spring is positioned at described inward recess.
Described bottom guide rod upper part integrated is formed with flat board, is formed with protruding block on described flat board, and the bottom of described conducting spring and described flat board offset.
Loose chain sense switch of the present utility model owing to comprising mechanical conductive assembly, electric switch main body and the contact block that contacts with chain, is connected with the mechanical conductive assembly below described contact block, and described mechanical conductive assembly is connected with described electric switch main body.like this, when mechanical three-dimensional parking device normally moves, during chain contact contact block, because chain can produce pulling force by motor operation, this pulling force presses down contact block, this pressure that presses down conducts to the electric switch main body by the mechanical conductive assembly, its electric switch main body enters operating state and cuts off the power supply or power on signal shows that chain is in normal operating condition, when its pulling force of chain-loose reduces, the spring of the mechanical conductive assembly of contact block below can be released contact block vertically upward, after the distance of releasing contact block surpasses default scope, the electric switch main body that is connected with the mechanical conductive assembly will revert to the attonity state and give and energising or power-off signal, namely send the chain abnormal running, it is the signal that the chain initial stage is loosening or rupture, complete the cycle of a detection.The advantage that has in terms of existing technologies is simple in structure and can be at the mechanical three-dimensional parking device chain initial stage reminds or warn under loosening or crack conditions; and complete integrated by mechanical conductive assembly and electric switch main body contact measurement; form the utilization of professional integrated detection means, be very beneficial for the safeguard protection work of mechanical three-dimensional parking device.
Description of drawings
Fig. 1 the utility model pine chain sense switch embodiment schematic diagram.
Electric switch main body schematic diagram when Fig. 2 the utility model pine chain sense switch embodiment chain normally moves.
Electric switch main body schematic diagram when Fig. 3 the utility model pine chain sense switch embodiment chain-loose or fracture.
The figure number explanation
1 ... mechanical conductive assembly 2 ... electric switch main body 3 ... contact block
4 ... normally closed fixed contact 5 ... often open fixed contact 6 ... normally closed armature contact
7 ... often open armature contact 8 ... pushing block 9 ... normally closed brace
10 ... often open brace 11 ... upper springs 12 ... lower springs
13 ... bottom spring 14 ... conducting spring 15 ... the top guide rod
16 ... bottom guide rod 17 ... inward recess 18 ... dull and stereotyped
19 ... protruding block 20 ... barrier
The specific embodiment
Fig. 1 to Fig. 3 below in conjunction with accompanying drawing is described in further detail loose chain sense switch of the present utility model.
Loose chain sense switch of the present utility model, please refer to Fig. 1 to Fig. 3, comprise mechanical conductive assembly 1, electric switch main body 2 and the contact block 3 that contacts with chain, described contact block 3 belows are connected with mechanical conductive assembly 1, and described mechanical conductive assembly 1 is connected with described electric switch main body 2.like this, when mechanical three-dimensional parking device normally moves, during chain contact contact block 3, because chain can produce pulling force by motor operation, this pulling force presses down contact block 3, this pressure that presses down conducts to electric switch main body 2 by mechanical conductive assembly 1, mechanical conductive assembly 1 is in compressive state simultaneously, its electric switch main body 2 enters operating state and cuts off the power supply or power on signal shows that chain is in normal operating condition, when its pulling force of chain-loose reduces, the mechanical conductive assembly 1 of contact block 3 belows can be released contact block 3 vertically upward under the effect of bounce, after the distance of releasing contact block 3 surpasses default scope, the electric switch main body 2 that is connected with mechanical conductive assembly 1 will revert to the attonity state and give and energising or power-off signal, namely send the chain abnormal running, it is the signal that the chain initial stage is loosening or rupture, complete the cycle of a detection.The advantage that has in terms of existing technologies is simple in structure and can be at the mechanical three-dimensional parking device chain initial stage reminds or warn under loosening or crack conditions; and complete integrated by mechanical conductive assembly 1 and electric switch main body 2 contact measurement; form the utilization of professional integrated detection means, be very beneficial for the safeguard protection work of mechanical three-dimensional parking device.
Loose chain sense switch of the present utility model, please refer to Fig. 1 to Fig. 3, on the basis of technical scheme can be specifically in front described electric switch main body 2 comprise housing and be positioned at the housing internal upper part normally closed fixed contact 4, be positioned at often opening fixed contact 5 and being positioned at movable contact assembly in the middle part of housing of housing bottom, described movable contact assembly contacts with the described fixed contact 5 of often opening with normally closed fixed contact 4 respectively.Housing is for the protection of inner each parts of electric switch main body 2.Normally closed fixed contact 4 and the movable contact assembly on housing top are contacted when not installing, and are namely closed.Lower housing portion often open fixed contact 5 and movable contact assembly away from, be namely off-state.contact block 3 contacts with chain after installing, and chain downward crimping contact block 3 under the pulling force effect of motor, when contact block 3 moves down, driving mechanical conducting subassembly 1 moves downward pressure conduction to electric switch main body 2, movable contact assembly in electric switch main body 2 moves down, and then make itself and normally closed fixed contact 4 disengage, contact with the fixed contact 5 of often opening of below, therefore, make whole electric switch main body 2 be in operating state and cut off the power supply or power on signal demonstration chain is in normal operating condition, and be at chain and keep this outage or power on signal state under normal condition always.when its pulling force of chain-loose reduces, the mechanical conductive assembly 1 of contact block 3 belows can be released contact block 3 vertically upward under the effect of bounce, after the distance of releasing contact block 3 surpasses default scope, restore to the original state with mechanical conductive assembly 1, and the drive movable contact assembly moves up, finally make movable contact assembly top contact with normally closed fixed contact 4, be in closure state, and simultaneously the movable contact assembly bottom with often open fixed contact 5 and disengage, be off-state, whole electric switch main body 2 be the attonity state and to energising or power-off signal, and then send the chain abnormal running, it is the signal that the chain initial stage is loosening or rupture, complete the cycle of a detection.Further preferred technical scheme is that described movable contact assembly comprises normally closed armature contact 6 and Chang Kai armature contact 7, described normally closed armature contact 6 contacts liftedly with described normally closed fixed contact 4, and the described armature contact 7 of often opening contacts liftedly with the described fixed contact 5 of often opening.Often open like this armature contact 7 in running and coordinate with the described fixed contact 5 of often opening, described normally closed armature contact 6 coordinates with described normally closed fixed contact 4, and structure is simpler, and cost.Further preferred technical scheme is describedly often to open fixed contact 5 and described normally closed fixed contact 4 is two, the described armature contact 7 of often opening is two with described normally closed armature contact 6, described two often open between armature contact 7 and two normally closed armature contacts 6 between connect by often opening brace 10 and being connected brace 9 respectively, described two often open between armature contact 7 and two normally closed armature contacts 6 between lay respectively at the bottom of often opening brace 10 and the top of normally closed brace 9.Like this, often open fixed contact 5, normally closed fixed contact 4, often open fixed contact 5 and normally closed armature contact 6 and all arrange in pairs, guarantee often to open or normally closed state.And the effect of often opening brace 10 and normally closed brace 9 is to make two often to open armature contact 7 and two normally closed armature contact 6 synchronously motions up or down simultaneously.Further preferred technical scheme is that described electric switch main body 2 also comprises pushing block 8, describedly often open brace 10 and described normally closed brace 9 passes across described pushing block 8 from described pushing block 8 sides, described pushing block 8 belows arrange bottom spring 13, the top of described bottom spring 13 and described pushing block 8 soffits offset, the bottom of described bottom spring 13 and the housing bottom of electric switch main body 2 offset, and described mechanical conductive assembly 1 bottom is connected with described pushing block 8 by protruding block.Like this, when mechanical conductive assembly 1 going down pressure, pushing block 8 moves down, and then brace 10 is often opened in drive and normally closed brace 9 moves down, and then make the normally closed fixed contact 4 on top separate with normally closed armature contact 6, contact and keep this state with often opening fixed contact 5 with often opening armature contact 7, be the chain normal operating condition this moment.In the time of chain-loose, motor reduces the pulling force of chain, the pressure that chain is applied on contact block 3 reduces, mechanical conductive assembly 1 moves up under the effect of restoring force, move up under the effect of bottom spring 13 screen resiliences at pushing block 8 simultaneously, and then brace 10 is often opened in drive and normally closed brace 9 moves up, and finally make normally closed armature contact 6 contact with normally closed fixed contact 4, namely be in closure state, disengage with often opening armature contact 7 and often opening fixed contact 5, namely remove contact, be in off-state.At this moment, electric switch main body 2 will revert to the attonity state and give and energising or power-off signal, namely send the chain abnormal running, i.e. the signal of loosening or fracture of chain initial stage, the cycle of completing a detection.Most preferred technical scheme is that described pushing block 8 center of inside are fixed with barrier 20, interior upper springs 11 and the lower springs 12 of arranging of described pushing block 8, described upper springs 11 is arranged between described barrier 20 upper surfaces and described normally closed brace 9 soffits, and described lower springs 12 is arranged at described barrier 20 and soffit and described often opening between brace 10 upper surfaces.Like this, in the process that pushing block 8 moves downward, upper springs 11 is pushed normally closed brace 9 downwards, realizes that normally closed armature contact 6 disengages with normally closed fixed contact 4; And lower springs 12 pushes away normally closed brace 10 downwards, realizes often opening armature contact 7 and moves downward and often open fixed contact 5 and contact.Bottom spring 13 is extruded simultaneously, is in compressive state.And in the time of chain-loose or fracture, mechanical conductive assembly 1 moves up under the effect of restoring force, the effect of bottom spring 13 simultaneously makes pushing block 8 move up, brace 10 is often opened in drive and normally closed brace 9 moves up, while upper springs 11 upwards promotes normally closed armature contact 6 and moves up, and finally contact with described normally closed fixed contact 4, and lower springs 12 upwards pulls and often opens armature contact 7 and move up, and the final and described fixed contact 5 of often opening disengages.Upper springs 11 is to discharge gradually screen resilience with the effect of lower springs 12, moves softlyer, and the parts loss is less.The state that only has or fracture large when the chain-loose Amplitude Ratio, just can make normally closed fixed contact 4 contact with described normally closed armature contact 6, disengage and often open armature contact 7 and often open fixed contact 5, just can send the signal of chain-loose or fracture, show the chain abnormal running.And then realize that the chain initial stage becomes flexible or caution or the reminding effect of fracture.In the middle of further described upper springs and lower springs, jack-post is set, described upper springs and described lower springs are set on described jack-post.Upper springs and lower springs can not distorted in the process of compression or stretching like this.
Loose chain sense switch of the present utility model, please refer to Fig. 1 to Fig. 3, can also be that mechanical conductive assembly 1 comprises guide rod assembly and the conducting spring 14 that is connected with described guide rod assembly in front on the basis of technical scheme, described guide rod assembly comprises top guide rod 15 and bottom guide rod 16, described conducting spring 14 is arranged between described top guide rod 15 and described bottom guide rod 16, described contact block 3 lower ends are connected with top guide rod 15, and described bottom guide rod 16 is connected with described electric switch main body 2 tops.When chain-loose or fracture, the downward crimping contact block 3 of chain, contact block 3 promotes top guide rod 15 downwards, and guide rod 15 compression conducting springs 14 in top are also depressed section's guide rod 16 downwards, and bottom guide rod 16 promotes 2 motions of electric switch main body and sends caution or alerting signal or instruction.Further preferred technical scheme is that described top guide rod 15 lower central arrange inward recess 17, and the upper end of described conducting spring 14 is positioned at described inward recess 17.Conducting spring 14 upper ends are set so can move and affect conducting effect all around.Certainly can also be that described bottom guide rod 16 upper part integrateds are formed with on dull and stereotyped 18, described dull and stereotyped 18 and are formed with protruding block 19, the bottom of described conducting spring 14 and described dull and stereotyped 18 offsets.The advantage of such bottom guide rod 16 is that the hypomere of conducting spring 14 can not move and affect conducting effect all around.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not be as protection domain of the present utility model; every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion zoom in or out etc., all should think to fall into protection domain of the present utility model.
Claims (10)
1. loose chain sense switch is characterized in that: comprise mechanical conductive assembly, electric switch main body and the contact block that contacts with chain, described contact block below is connected with the mechanical conductive assembly, and described mechanical conductive assembly is connected with described electric switch main body.
2. loose chain sense switch according to claim 1, it is characterized in that: described electric switch main body comprises housing and is positioned at the normally closed fixed contact of housing internal upper part, is positioned at often opening fixed contact and being positioned at movable contact assembly in the middle part of housing of housing bottom, and described movable contact assembly contacts with the described fixed contact of often opening with normally closed fixed contact respectively.
3. loose chain sense switch according to claim 2, it is characterized in that: described movable contact assembly comprises normally closed armature contact and Chang Kai armature contact, described normally closed armature contact contacts liftedly with described normally closed fixed contact, and the described armature contact of often opening contacts liftedly with the described fixed contact of often opening.
4. loose chain sense switch according to claim 3, it is characterized in that: describedly often open fixed contact and described normally closed fixed contact is two, describedly often open armature contact and described normally closed armature contact is two, described two often open between armature contact and two normally closed armature contacts between connect by often opening brace and being connected brace respectively, described two often open between armature contact and two normally closed armature contacts between lay respectively at the bottom of often opening brace and the top of normally closed brace.
5. loose chain sense switch according to claim 4, it is characterized in that: described electric switch main body also comprises pushing block, describedly often open brace and described normally closed brace passes across described pushing block from described pushing block side, described pushing block below arranges the bottom spring, the top of described bottom spring and described pushing block soffit offset, the bottom of described bottom spring and the housing bottom of electric switch main body offset, and described mechanical conductive assembly bottom is connected with described pushing block by protruding block.
6. loose chain sense switch according to claim 5, it is characterized in that: described pushing block center of inside is fixed with barrier, upper springs and lower springs are set in described pushing block, described upper springs is arranged between described barrier upper surface and described normally closed brace soffit, and described lower springs is arranged at described barrier and soffit and described often opening between the brace upper surface.
7. loose chain sense switch according to claim 5 is characterized in that: in the middle of described upper springs and lower springs, jack-post is set, described upper springs and described lower springs are set on described jack-post.
8. the described loose chain sense switch of any claim of according to claim 1 to 7, it is characterized in that: the mechanical conductive assembly comprises guide rod assembly and the conducting spring that is connected with described guide rod assembly, described guide rod assembly comprises top guide rod and bottom guide rod, described conducting spring is arranged between described top guide rod and described bottom guide rod, described contact block lower end is connected with the top guide rod, and described bottom guide rod is connected with described electric switch main body top.
9. loose chain sense switch according to claim 8, it is characterized in that: described top guide rod lower central arranges inward recess, and the upper end of described conducting spring is positioned at described inward recess.
10. loose chain sense switch according to claim 8, it is characterized in that: described bottom guide rod upper part integrated is formed with flat board, is formed with protruding block on described flat board, and the bottom of described conducting spring and described flat board offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698398 CN202970084U (en) | 2012-12-17 | 2012-12-17 | Loose chain detection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698398 CN202970084U (en) | 2012-12-17 | 2012-12-17 | Loose chain detection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970084U true CN202970084U (en) | 2013-06-05 |
Family
ID=48511178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220698398 Expired - Lifetime CN202970084U (en) | 2012-12-17 | 2012-12-17 | Loose chain detection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202970084U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343271A (en) * | 2013-08-06 | 2015-02-11 | 上海山电电机有限公司 | Garage rear rope slacking protection switch |
| CN104528611A (en) * | 2014-12-08 | 2015-04-22 | 长沙中联消防机械有限公司 | Chain loosening detection device, arm frame and fire fighting truck |
| CN104528600A (en) * | 2014-12-08 | 2015-04-22 | 长沙中联消防机械有限公司 | Chain loosening detection device, arm frame and fire fighting truck |
| CN104675170A (en) * | 2013-12-02 | 2015-06-03 | 上海山电电机有限公司 | Simple slack chain switch |
-
2012
- 2012-12-17 CN CN 201220698398 patent/CN202970084U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343271A (en) * | 2013-08-06 | 2015-02-11 | 上海山电电机有限公司 | Garage rear rope slacking protection switch |
| CN104343271B (en) * | 2013-08-06 | 2017-06-06 | 上海山电电机有限公司 | Rope creep protection switch behind garage |
| CN104675170A (en) * | 2013-12-02 | 2015-06-03 | 上海山电电机有限公司 | Simple slack chain switch |
| CN104528611A (en) * | 2014-12-08 | 2015-04-22 | 长沙中联消防机械有限公司 | Chain loosening detection device, arm frame and fire fighting truck |
| CN104528600A (en) * | 2014-12-08 | 2015-04-22 | 长沙中联消防机械有限公司 | Chain loosening detection device, arm frame and fire fighting truck |
| CN104528611B (en) * | 2014-12-08 | 2017-04-05 | 长沙中联消防机械有限公司 | Chain-loose detection means, arm support and fire fighting truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190312 Address after: 528400 Room 301, Building 9, Jidong Ermincheng East Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Hiffordman Electronic Technology Co.,Ltd. Address before: 518000 Block 808, Huanglang Tongsheng Science and Technology Building, Dalang Street, Baoan District, Shenzhen City, Guangdong Province Co-patentee before: Wen Hui Patentee before: Guo Mengen |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191121 Address after: 528400 5th floor, No.28, Jinchang Industrial Road, West District, Zhongshan City, Guangdong Province Patentee after: Zhongshan severman Electronic Technology Co.,Ltd. Address before: 528400 Room 301, Building 9, Jidong Ermincheng East Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee before: Zhongshan Hiffordman Electronic Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |