CN205114745U - Elevator protection machanism - Google Patents
Elevator protection machanism Download PDFInfo
- Publication number
- CN205114745U CN205114745U CN201520872953.7U CN201520872953U CN205114745U CN 205114745 U CN205114745 U CN 205114745U CN 201520872953 U CN201520872953 U CN 201520872953U CN 205114745 U CN205114745 U CN 205114745U
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- China
- Prior art keywords
- travel switch
- crank arm
- car
- arm
- elevator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses an elevator protection machanism, including crank arm, travel switch, it has link and work end to crank arm, the wall body of link and floor rotates to be connected, cranks arm and to rotate at the horizontal direction around the link, is the open mode when the lift -cabin door, the work of cranking arm end can change to the car in, the travel switch setting is held working, is provided with travel switch's the blind area internal rotation outside infrared linear light curtain region of cranking arm, travel switch is connected with the elevator power. The utility model discloses elevator protection machanism, when the lift -cabin door is opened, crank arm slide in the car in, the phenomenon that rises or descend appears in case the elevator meets accident, travel switch then can in time control elevator power supply disconnection, the car will be cranked arm and put up, reduces unexpected emergence like this, in addition, mechanism's installation is simple, can see directly that whether the mechanism operates in safety, brings a safe service environment for the user.
Description
Technical field
The utility model relates to a kind of protection mechanism, particularly relates to a kind of lift protects mechanism in order to prevent the elevator when passenger passes in and out surprisingly to be elevated be arranged on floor body of wall.
Background technology
Current elevator on the market all there will be rising or decline phenomenon suddenly, personal injury is brought to the passenger in car, especially when elevator door is opened, when personnel's turnover, if now there is the phenomenon that elevator rises or declines, can bring great personal injury to passenger, accident is all more serious.
In a Chinese utility model patent, this utility model patent is open in 2006-11-15, its publication number is CN1861511A, which disclose a kind of baggage elevator, companion ladder locates anti-fall device and anti-drop method in the air, connecting rod III two ends respectively with bracket I and bracket I I hinged, one end of two bull sticks is affixed with connecting rod III respectively, one end of the other end and connecting rod I and connecting rod is hinged, the other end of connecting rod I and connecting rod is hinged with one end of axle respectively, the other end of diaxon debouches the supported hole in stay bearing plate respectively, fork and the plug of dead man affixed with connecting rod III matches with the jaw of fork.Advantage: one is fundamentally change baggage elevator, the aerial locate mode of elevator, achieves baggage elevator, double insurance that elevator is located in the air; Two is designs of synchronous self-controlled fork double link safety dropping prevent mechanism, not only novel structure, uniqueness, simple, practical, safe and reliable, and with low cost, operability is extremely strong, achieve beyond thought economic benefit and social benefit, really solve a difficult problem for baggage elevator, companion ladder fall arrest.But this patent exists following problem, one, complex structure, anti-drop function can be realized by multiple connecting rod, multiple support and driving lever etc.; Its two, the needing of diaxon passes in and out the supported hole of stay bearing plate, so higher to the levels of precision of the installation of stay bearing plate; Its three, only by the power that physical construction carrying is risen suddenly or declined, its bearing capacity is limited; Its four, by the interlock of multiple drive link, area occupied is larger; Its five, not intuitively, when the preponderance in car, when rocking, the passenger in car is because seeing anti-fall device, and it is alarmed to produce.
Utility model content
For overcoming above-mentioned shortcoming, the purpose of this utility model be to provide a kind of structure and install all comparatively simple, area occupied is little, can carry lift protects mechanism more energetically, this lift protects mechanism can be seen by the passenger in car intuitively, when meeting accident, play the effect of pacifying passenger in car.
In order to reach above object, the technical solution adopted in the utility model is: a kind of lift protects mechanism, comprise crank arm, travel switch, described cranking arm has coupling end and working end, the body of wall of described coupling end and floor is rotationally connected, described cranking arm can be rotated in the horizontal direction around coupling end, when elevator door in opened condition, described working end of cranking arm can go in car, described travel switch is arranged on working end, be provided with cranking arm of travel switch to rotate in the extra-regional blind area of infrared ray curtain, described travel switch is connected with elevator power supply.The beneficial effects of the utility model are, one, structure is simple, the coupling end of cranking arm rotates and is arranged on body of wall, the working end of cranking arm then can be slipped in car by the effect of external force or other propulsive efforts, when meeting accident, crank arm and can provide support the bearing capacity of car, being provided with cranking arm of travel switch is arranged in the extra-regional blind area of infrared ray curtain, the pivot region of namely cranking arm works outside infrared ray curtain region, after arranging like this, the formation infrared ray elevator light curtain region that elevator door carries can not because sensing that elevator door is not closed in the working end of cranking arm in car, ensure that the normal open and close of elevator door, its two, only need to enter in car owing to cranking arm and can carry this car, then dissolve the power of decline or the rising occurred when car meets accident, when installation is cranked arm, only need the working end ensureing to crank arm can slip in car, easy for installation, its three, install travel switch, when meeting accident, car touches travel switch, then by the power-off of the trip switch control rule elevator power source integral, traction steel-cable hold car, share some bearing capacities to cranking arm, this lift protects mechanism can carry remaining weight, its four, area occupied is little, its five, when each elevator door is opened, crank arm after entering car, the passenger in car can produce oneself and pacify psychology, reduces the misgivings of passenger.
Preferably, lift protects mechanism comprises attaching parts, described attaching parts comprises adapter shaft and two pieces of stay bearing plates, described two pieces of stay bearing plates are fixedly mounted on body of wall, described two pieces of stay bearing plates are corresponding up and down to be arranged and equal and plane-parallel, described adapter shaft to be fixedly installed between two pieces of stay bearing plates and and horizontal plane, described in the coupling end of cranking arm be provided with the through hole moved towards up and down, described adapter shaft is through described through hole.The coupling end of cranking arm rotates around adapter shaft, and structure is simple, easy for installation.
As further improvement of the utility model be, described body of wall and being provided with in order to act on the actuator of cranking arm and turning in car between cranking arm.Actuator enters in car in order to drive to crank arm automatically, and passenger pushes car without the need to cranking arm, convenient, laborsaving.
Preferably, described actuator is torque spring, described torque spring has and is set in the toggle that spring coil on adapter shaft and two are arranged on spring coil two ends, two toggles are corresponding up and down and all and plane-parallel, described spring coil and two toggles are " U " type shape of opening towards elevator door, the end of one of them toggle is connected with stay bearing plate, and the end of another toggle is connected with the coupling end of cranking arm.Adopt torque spring, when elevator door cuts out, two toggle stroke angles, produce elastic force, once elevator door cuts out, toggle resets, force the working end of cranking arm to slip in car, do not affect the normal operation of elevator, adopt torque spring to have the advantage that structure is simple, replacing is convenient, cost is low.
As further improvement of the utility model be, described in the crank arm end of working end be provided with roller.Slide in roller working end of being convenient to crank arm on the elevator door of closing or opening, reduce the friction force of cranking arm with the elevator door of closing, the rotation of cranking arm is more smooth.
Preferably, described cranking arm comprises be parallel to each other two all with plane-parallel and the vertical bar of the horizon bar of curved shape and one and horizontal plane, two described horizon bar corresponding settings up and down, the two ends of described vertical bar are fixedly connected with the working end of horizon bar respectively, described travel switch is provided with two, one of them travel switch arranges the top of superincumbent horizon bar, and another travel switch is arranged on the bottom of horizon bar below.Adopt two horizon bars and a vertical bar to form to crank arm, have the following advantages: one, the structure of cranking arm is more firm, when passenger after door-opened elevator passes in and out car and lifting accident occurs, can give the bearing force enough with car; Its two, two horizon bars are arranged on two horizon bars and are all provided with travel switch, can elevator occur lifting two kinds unexpected time, the effect disconnecting elevator power supply can be played.
Preferably, the described support forced position of vertical bar upper end and the support forced position of lower end are provided with reinforced rib.Arranging of reinforced rib can provide support power to car.
Preferably, described reinforced rib shape triangular in shape.Leg-of-mutton reinforcing rib structure is simple, can provide larger bearing force.
Accompanying drawing explanation
Fig. 1 be the present embodiment floor body of wall on the block diagram of lift protects mechanism is installed;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the birds-eye view that in the present embodiment, elevator door is in closed condition;
Fig. 4 is the birds-eye view that in the present embodiment, elevator door is in open mode;
Fig. 5 is the front view that in the present embodiment, elevator door is in closed condition;
Fig. 6 is the partial enlarged drawing at B place in Fig. 5;
Fig. 7 is the partial enlarged drawing at B ' place in Fig. 6;
Fig. 8 is the front view that in the present embodiment, elevator door is in open mode;
Fig. 9 is the partial enlarged drawing at C place in Fig. 8.
In figure: 10-cranks arm; 11-horizon bar; The vertical bar of 12-; 13-reinforced rib; 20-roller; 30-attaching parts; 31-stay bearing plate; 32-adapter shaft; 40-torque spring; 41-toggle; 42-spring coil; 50-travel switch; 60-car; 70-body of wall; 80-elevator door.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Shown in accompanying drawing 1-9, a kind of lift protects mechanism of the present embodiment comprises cranks arm 10, travel switch 50, as shown in Figure 2, crank arm and 10 there is coupling end a and working end b, the body of wall 70 of coupling end a and floor is rotationally connected, crank arm and 10 to rotate in the horizontal direction around coupling end a, as Fig. 4, shown in 8, when elevator door 80 in opened condition, crank arm 10 working end b can go in car 60, as shown in Figure 2, travel switch 50 is arranged on working end b, after ensureing that lift protects mechanism enters car 60, do not affect the normal closedown of elevator door 80, then be provided with cranking arm of travel switch 50 10 to rotate in the extra-regional blind area of infrared ray curtain, namely rotate outside infrared ray curtain region.Travel switch 50 is connected with elevator power supply, and travel switch 50 is in order to control the break-make of the overall power supply of elevator.When concrete this lift protects mechanism of installation, this lift protects mechanism is arranged on the body of wall 70 of the left and right sides of the corresponding elevator door 80 of each floor, infrared ray curtain region has nobody to enter elevator in order to induction, and infrared ray curtain region is positioned at the closed vertical direction of elevator door 80.
Wherein, being rotationally connected of body of wall 70 of coupling end a and floor is realized by attaching parts 30, as Fig. 2, 7, shown in 9, this attaching parts 30 comprises adapter shaft 32 and two pieces of stay bearing plates 31, two pieces of stay bearing plates 31 are fixedly mounted on body of wall 70, two pieces of stay bearing plate about 31 correspondences are arranged and equal and plane-parallel, adapter shaft 32 to be fixedly installed between two pieces of stay bearing plates 31 and and horizontal plane, crank arm 10 coupling end a be provided with the through hole moved towards up and down, adapter shaft 32 is through through hole, crank arm and 10 can to rotate around the adapter shaft 32 at coupling end a place, due to adapter shaft 32 and horizontal plane, then crank arm and 10 to horizontally rotate around adapter shaft 32.
After elevator door 80 is opened, passenger certainly can be about to crank arm and 10 to push in lift car 60.Certainly, also 10 can not pushing in car 60 by cranking arm, specifically seeing the demand of passenger.
And in order to increase the automatic performance of this lift protects mechanism, can install cranks arm in order to effect 10 turns to actuator in car 60, this actuator can adopt cylinder and many pipe links, cylinder controls to crank arm 10 rotations as power by the transmission of many pipe links, but the higher and complex structure of the cost of such actuator.
The present embodiment considers the factor that structure is simple, easy for installation, the actuator adopted is torque spring 40, as shown in Figure 7, torque spring 40 has and is set in the toggle 41 that spring coil 42 on adapter shaft 32 and two are arranged on spring coil 42 two ends, two toggles about 41 are corresponding and all and plane-parallel, spring coil 42 and two toggles 41 are " U " type shape of opening towards elevator door 80, the end of one of them toggle 41 is connected with stay bearing plate 31, the end of another toggle 41 with crank arm 10 coupling end a be connected.When torque spring 40 is in state of nature, two toggles 41 are all positioned at the same side of spring coil 42, and the angle between two toggles 41 is less, or are even 0 °.Accordingly, the stay bearing plate 31 be connected with these two toggles 41 and crank arm and then to form less angle between 10 or without angle, now, crank arm 10 working end b slip in car 60.The elevator door 80 of cutting out can force cranks arm 10 to the direction rotation that elevator door 80 cuts out, angle between two toggles 41 becomes large, and produces elastic force, now, crank arm 10 working end b act on the outside face of elevator door 80, do not affect rising or the decline of car 60.Once after car 60 arrives this floor, after the elevator door 80 of originally cutting out opens again, cranking arm 10 is no longer subject to resistance, elastic force release between two toggles 41, to crank arm 10 resets, crank arm 10 working end b slip in car 60, again provide support power to car 60.
For the ease of 10 slips on elevator door 80 of cranking arm, then the end of the 10 working end b that crank arm is provided with roller 20, in order to reduce the friction force of cranking arm between 10 working end b and elevator door 80.
In order to improve crank arm 10 bearing force, then vertically the support forced position of bar 12 upper end and the support forced position of lower end are provided with reinforced rib 13.The support forced position of vertical bar 12 upper end is the position that horizon bar 11 is above connected with vertical bar 12 upper end, and the support forced position of vertical bar 12 lower end is the position that horizon bar 11 is below connected with vertical bar 12 lower end.Wherein, reinforced rib 13 can adopt various shape, and as shown in Figure 6, reinforced rib 13 shape triangular in shape of the present embodiment, adopts leg-of-mutton reinforced rib 13, compact structure, also have larger bearing force simultaneously.
In order to ensure the firm of 10 structures of cranking arm, as shown in Figure 1, cranking arm of the present embodiment 10 comprises be parallel to each other two all with plane-parallel and the vertical bar 12 of the horizon bar 11 of curved shape and one and horizontal plane, two horizon bar about 11 correspondences are arranged, travel switch 50 is provided with two, one of them travel switch 50 arranges the top of superincumbent horizon bar 11, and another travel switch 50 is arranged on the bottom of horizon bar 11 below.When the accident declined appears in car, the travel switch 50 on horizon bar 11 above controls elevator power-off; When the accident risen appears in car 60, car 60 encounters the travel switch 50 on horizon bar 11 below, and the trip switch 50 controls elevator power-off.
Above embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to allow person skilled in the art understand content of the present utility model and to be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (8)
1. a lift protects mechanism, it is characterized in that: comprise crank arm (10), travel switch (50), described crank arm (10) have coupling end (a) and working end (b), described coupling end (a) is rotationally connected with the body of wall (70) of floor, described crank arm (10) can be rotated in the horizontal direction around coupling end (a), when elevator door (80) in opened condition, the working end (b) of described crank arm (10) can go in car (60), described travel switch (50) is arranged on working end (b), crank arm (10) that are provided with travel switch (50) rotate in the extra-regional blind area of infrared ray curtain, described travel switch (50) is connected with elevator power supply.
2. lift protects mechanism according to claim 1, it is characterized in that: comprise attaching parts (30), described attaching parts (30) comprises adapter shaft (32) and two pieces of stay bearing plates (31), described two pieces of stay bearing plates (31) are fixedly mounted on body of wall (70), described two pieces of stay bearing plates (31) are corresponding up and down to be arranged and equal and plane-parallel, described adapter shaft (32) to be fixedly installed between two pieces of stay bearing plates (31) and and horizontal plane, described coupling end (a) of cranking arm (10) is provided with the through hole moved towards up and down, described adapter shaft (32) is through described through hole.
3. lift protects mechanism according to claim 2, is characterized in that: described body of wall (70) and cranking arm to be provided with between (10) and to turn to actuator in car (60) in order to act on crank arm (10).
4. lift protects mechanism according to claim 3, it is characterized in that: described actuator is torque spring (40), described torque spring (40) has and is set in the toggle (41) that spring coil (42) on adapter shaft (32) and two are arranged on spring coil (42) two ends, two toggles (41) are corresponding up and down and all and plane-parallel, described spring coil (42) and two toggles (41) in opening towards " U " type shape of elevator door (80), the end of one of them toggle (41) is connected with stay bearing plate (31), the end of another toggle (41) is connected with the coupling end (a) of crank arm (10).
5., according to the lift protects mechanism in claim 1-4 described in any one, it is characterized in that: described in the crank arm end of (10) working end (b) be provided with roller (20).
6. according to the lift protects mechanism in claim 1-4 described in any one, it is characterized in that: described in crank arm (10) comprise be parallel to each other two all with plane-parallel and the vertical bar (12) of the horizon bar of curved shape (11) and one and horizontal plane, two described horizon bar (11) corresponding settings up and down, the two ends of described vertical bar (12) are fixedly connected with the working end (b) of horizon bar (11) respectively, described travel switch (50) is provided with two, one of them travel switch (50) arranges the top of superincumbent horizon bar (11), another travel switch (50) is arranged on the bottom of horizon bar (11) below.
7. lift protects mechanism according to claim 6, is characterized in that: the described support forced position of vertical bar (12) upper end and the support forced position of lower end are provided with reinforced rib (13).
8. lift protects mechanism according to claim 7, is characterized in that: described reinforced rib (13) shape triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872953.7U CN205114745U (en) | 2015-11-03 | 2015-11-03 | Elevator protection machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872953.7U CN205114745U (en) | 2015-11-03 | 2015-11-03 | Elevator protection machanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205114745U true CN205114745U (en) | 2016-03-30 |
Family
ID=55570371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872953.7U Withdrawn - After Issue CN205114745U (en) | 2015-11-03 | 2015-11-03 | Elevator protection machanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205114745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236231A (en) * | 2015-11-03 | 2016-01-13 | 陈帅 | Elevator protection mechanism |
-
2015
- 2015-11-03 CN CN201520872953.7U patent/CN205114745U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236231A (en) * | 2015-11-03 | 2016-01-13 | 陈帅 | Elevator protection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20181026 |
|
| AV01 | Patent right actively abandoned |