CN205367360U - A closed roller switch that is used for safeguard function that has of elevator - Google Patents
A closed roller switch that is used for safeguard function that has of elevator Download PDFInfo
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- CN205367360U CN205367360U CN201620019788.5U CN201620019788U CN205367360U CN 205367360 U CN205367360 U CN 205367360U CN 201620019788 U CN201620019788 U CN 201620019788U CN 205367360 U CN205367360 U CN 205367360U
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- roller switch
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Abstract
The utility model relates to a closed roller switch that is used for safeguard function that has of elevator, the gyro wheel support is installed to main part piece lower part one end, install the rocking arm in the cavity of the other end of main part piece, a pivot of serving the installation of gyro wheel support is close to to rocking arm one end, install the shell fragment in the rocking arm, main part piece middle part is embedded to have Z type nut, main part piece upper portion is close to the cavity and leans on the oral area position to install vertical metal bracket frame down, shell fragment one end links to each other with Z type nut lower extreme, it is corresponding with the metal bracket frame that the other end stretches out the rocking arm, install parcel metal bracket frame on the main part piece cavity opening position, the protection casing of rocking arm and shell fragment, the waterproof step that matches with the protection casing edge is arranged in protection casing and laminating department of main part piece, the gyro wheel is installed at gyro wheel support both ends. The utility model has the characteristics of barrier propterty is good, the structure stabilizes, make things convenient for shell fragment and metal bracket frame to break away from, guarantees roller switch's normal work, have normally open with two kinds of user states of normal close, equipment convenient etc.
Description
Technical field
This utility model relates to a kind of technical field of elevator equipment, particularly relates to a kind of closed roller switch with safeguard function for elevator.
Background technology
Elevator roller switchgear primarily as elevator door and miscellaneous equipment safety switch, common roller switch adopts single roller structure, inside it, some devices with safeguard function will not be installed simultaneously, so this kind of roller switch is when in use, if there is contact weld under abnormal condition, the contact being fused can not be opened by force, there will be roller switch contact when meeting water or dust accretions simultaneously, cause that roller switch can not reliably be connected, the potential safety hazard caused and elevator faults, in order to solve above-mentioned technical problem, design and a kind of there is safeguard function and meet the roller switch of safety contact requirement and be necessary.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of for elevator have that barrier propterty is good, stabilized structure, movable contact be with static contact reliable on off, meet safety contact requirement, there are normally opened and normally closed two kinds of use states, can be used for layer door and the door machine switch of different requirement, delicate structure, the feature such as easy to assembly.
nullThis utility model solves its technical problem and be the technical scheme is that a kind of closed roller switch with safeguard function for elevator of offer，Including main body block、Rolling wheel support and cable trough，Described main body block lower end thereof is provided with rolling wheel support，In the cavity of the other end of described main body block, pivoted arm is installed，The rotating shaft that described pivoted arm one end is installed on one end of rolling wheel support，Rotating shaft two ends are connected through main body block with rolling wheel support，In described pivoted arm, shell fragment is installed，Z-type nut is installed in the middle part of described main body block，Main body block top leans on the position of oral area to be provided with vertical metal bracket down near cavity，Described shell fragment one end is connected with Z-type nut lower end，It is corresponding with metal bracket that the other end stretches out pivoted arm，The position in described main body block cavity hatch portion is provided with coated metal bracket、The protective cover of pivoted arm and shell fragment，Protective cover and main body block joint place are provided with the waterproof step matched with protective cover edge，Described rolling wheel support two ends are provided with roller，Described shell fragment external part is provided with silver contact，Described metal bracket is provided with the silver-colored contact corresponding with silver contact，By installing protective cover, the barrier propterty of whole roller switch is increased，By pivoted arm and rolling wheel support are installed separately，Can make to be formed in protective cover airtight space，By installing Z-type nut，Shell fragment can be fixed and be connected with outlet one end，By installing metal bracket and being connected with the outlet other end，Shell fragment is contacted with metal bracket by the restoring force of self when pivoted arm rotates，Formed and connect loop reliably.
Supplement as to the one of technical scheme described in the utility model, the vertically-mounted spring positioning base having the one end stretching out opening with pivoted arm corresponding in described main body block cavity hatch place, it is provided with in two springs being arranged side by side between described spring positioning base and pivoted arm end, described rolling wheel support one end is positioned at the curved portions of lower section in the middle part of main body block, the other end is arranged above the stop screw corresponding with this end, stop screw is connected with main body block, by being respectively mounted spring and stop screw on pivoted arm and rolling wheel support, roller switch is made to be in normally open.
Supplement as to the one of technical scheme described in the utility model, the described vertically-mounted stop screw having the one end stretching out opening with pivoted arm corresponding in main body block cavity hatch place, described rolling wheel support one end is positioned at the curved portions of lower section in the middle part of main body block, the other end is provided with spring, spring upper end is connected with main body block, by being respectively mounted spring and stop screw on rolling wheel support and pivoted arm so that roller switch is in normally off.
Supplement as to the one of technical scheme described in the utility model, the described side above main body block cavity hatch place is provided with cable trough, wire harness combination is installed in described cable trough, wire harness combination has two wires, wherein one is connected with metal bracket, another root and the upper end of Z-type nut, be connected by cushion block, it is ensured that the reliable contacts of cable and roller switch.
Supplement as to the one of technical scheme described in the utility model, described protective cover is connected by attachment screw and main body block are fixing, described attachment screw is provided with the packing ring being close to protective cover, described protective cover is provided with the breach matched with attachment screw, by installing attachment screw and packing ring, while not changing protective cover sealing effectiveness, facilitate the connection of protective cover, by being provided with U-type groove on protective cover, protective cover can, when not exclusively taking out attachment screw, be carried out dismantling and installing.
Supplement as to the one of technical scheme described in the utility model, described stop screw upper end offers flat recess, and through being fixed in main body block, it is provided with in two adjusting nuts being arranged side by side up and down in the middle part of described stop screw, main body block is close to by adjusting nut above, by the flat recess that stop screw upper end is offered, regulate installation nut and conveniently regulate the length of stop screw, in order to control the sensitivity of roller switch.
Supplementing as to the one of technical scheme described in the utility model, described pivoted arm, rotating shaft are fixedly linked by plus screw and rolling wheel support, by installation plus screw, facilitate rotating shaft to be connected with rolling wheel support.
Supplement as to the one of technical scheme described in the utility model, the side that described cable trough top is connected with main body block is provided with and is inserted vertically into plate, it is inserted vertically in the middle part of plate and is provided with through hole, wire harness combination in cable trough is stretched out from through hole, and in through hole, waterproof rubber sleeve is installed and seals, it is inserted vertically into plate for facilitating wire harness combination to draw in cable trough by being provided with, by being provided with the gap being inserted vertically into plate for sealed body block Yu vertical plate, seal for cable lead division by installing waterproof rubber sleeve.
Supplement as to the one of technical scheme described in the utility model, described protective cover top and the medial surface of main body block laminating are provided with grafting location division, described main body block and be inserted vertically on plate and be provided with the locating slot matched with grafting location division, by main body block and the locating slot being inserted vertically on plate to arrange and grafting location division for facilitating the installation of protective cover and being inserted vertically into the self-locking of plate.
Supplement as to the one of technical scheme described in the utility model, it is fixed by vertically-mounted trip bolt between described rotating shaft and pivoted arm, above trip bolt, main body block upper side is provided with the first installing hole, it is connected by screw between described Z-type nut lower end and shell fragment, below screw, main body block downside is vertically provided with the second installing hole, the first described installing hole and the second installing hole are separately installed with the first sealing-plug and the second sealing-plug, by arranging that the first installing hole facilitates the installation of the location screw between rotating shaft and pivoted arm, by arranging that the second installing hole facilitates the installation of the screw between Z-type nut lower end and shell fragment.
Beneficial effect
This utility model relates to a kind of closed roller switch with safeguard function for elevator, by installing protective cover, the barrier propterty of whole roller switch is increased, by pivoted arm and rolling wheel support are installed separately, can make to be formed in protective cover airtight space, by installing Z-type nut, shell fragment can be fixed and be connected with outlet one end, by installing metal bracket and being connected with the outlet other end, shell fragment is contacted with metal bracket by the restoring force of self when pivoted arm rotates, is formed and connect loop reliably.This utility model also has that barrier propterty is good, stabilized structure, guarantee shell fragment upper contact and metal bracket contact separation, it is ensured that the features such as the normal operation of roller switch, anti-dust performance are good.
Accompanying drawing explanation
Fig. 1 is topology view of the present utility model；
Fig. 2 is the topology view after this utility model removes protective cover；
Fig. 3 is the topology view being inserted vertically into plate described in the utility model；
Fig. 4 is normally open schematic diagram described in the utility model；
Fig. 5 is normally off schematic diagram described in the utility model；
Fig. 6 is that wire harness described in the utility model combines to obtain structure chart；
Fig. 7 is full sectional view of the present utility model；
Fig. 8 is explosive view of the present utility model.
Diagram: 1, main body block, 2, cable trough, 3, metal bracket, 4, pivoted arm, 5, rolling wheel support, 6, rotating shaft, 7, roller, 9, stop screw, 10, spring, 11, spring positioning base, 12, protective cover, 13, shell fragment, 14, the second sealing-plug, 15, plus screw, the 16, first sealing-plug, 17, attachment screw, 18, it is inserted vertically into plate, 19, grafting location division, 20, Z-type nut, 21, waterproof step, the 22, first installing hole, the 23, second installing hole.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further.Should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model.In addition, it is to be understood that after having read the content that this utility model is lectured, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
nullEmbodiment of the present utility model relates to a kind of closed roller switch with safeguard function for elevator，As shown in Fig. 18，Including main body block 1、Rolling wheel support 5 and cable trough 2，Described main body block 1 lower end thereof is provided with rolling wheel support 5，In the cavity of the other end of described main body block 1, pivoted arm 4 is installed，The rotating shaft 6 that described pivoted arm 4 one end is installed on one end of rolling wheel support 5，Rotating shaft 6 two ends are connected through main body block 1 with rolling wheel support 5，In described pivoted arm 4, shell fragment 13 is installed，In in the middle part of described main body block 1, Z-type nut 20 is installed，Main body block 1 top is provided with vertical metal bracket 3 down near cavity by mouth position，Described shell fragment 13 one end is connected with Z-type nut 20 lower end，It is corresponding with metal bracket 3 that the other end stretches out pivoted arm 4，The position in described main body block 1 cavity hatch portion is provided with coated metal bracket 3、The protective cover 12 of pivoted arm 4 and shell fragment 13，Protective cover 12 and main body block 1 joint place are provided with the waterproof step 21 matched with protective cover 12 edge，Described rolling wheel support 5 two ends are provided with roller 7.
The vertically-mounted spring positioning base 11 having the one end stretching out opening with pivoted arm 4 corresponding in described main body block 1 cavity hatch place, it is provided with in two springs 10 being arranged side by side between described spring positioning base 11 and pivoted arm 4 end, described rolling wheel support 5 one end is positioned at the curved portions of lower section in the middle part of main body block 1, the other end is arranged above the stop screw 9 corresponding with this end, and stop screw 9 is connected with main body block 1.
The vertically-mounted spring positioning base 11 having the one end stretching out opening with pivoted arm 4 corresponding in described main body block 1 cavity hatch place, between described spring positioning base 11 and pivoted arm 4 end, stop screw 9 is installed, described rolling wheel support 5 one end is positioned at the curved portions of lower section in the middle part of main body block 1, being provided with spring 10 on the other end, spring 10 upper end is connected with main body block 1.
Being provided with cable trough 2 on the described side above main body block 1 cavity hatch place, be provided with wire harness combination in described cable trough 2, wire harness combination has two wires, and wherein one is connected with metal bracket 3, and another root is connected with the upper end of Z-type nut 20.
Described protective cover 12 is connected by attachment screw 17 is fixing with main body block 1, described attachment screw 17 is provided with the packing ring being close to protective cover 12, described protective cover 12 is provided with the breach matched with attachment screw 17.
Described stop screw 9 upper end offers flat recess, and through being fixed in main body block 1, is provided with in two adjusting nuts being arranged side by side up and down in the middle part of described stop screw 9, and main body block 1 is close to by adjusting nut above.
The rotating shaft 6 of described pivoted arm 4 is fixedly linked by plus screw 15 and rolling wheel support 5.
The side that described cable trough 2 top is connected with main body block 1 is provided with and is inserted vertically into plate 18, is inserted vertically in the middle part of plate 18 and is provided with through hole, and the combination of wire harness in cable trough 2 is stretched out from through hole, and is provided with waterproof rubber sleeve in through hole and seals.
The medial surface of described protective cover 12 top and main body block 1 laminating is provided with grafting location division 19, described main body block 1 and be inserted vertically on plate 18 and be provided with the locating slot matched with grafting location division 19.
It is fixed by vertically-mounted trip bolt between described rotating shaft 6 and pivoted arm 4, the first installing hole 22 it is provided with above trip bolt, on main body block 1 upper side, it is connected by screw between described Z-type nut 20 lower end and shell fragment 13, vertically it is provided with the second installing hole 23 below screw, on main body block 1 downside, the first described installing hole 22 and the second installing hole 23 are separately installed with the first sealing-plug 16 and the second sealing-plug 14.
Embodiment 1
In known technology, roller switch as position detection generally only has a roller, elevator door is as adopted this switch, when contact generation fusion phenomenon on the shell fragment upper contact in switch with metal bracket, the closedown detection that can make apparatus for controlling elevator opposite house makes a mistake, thus occurring door-opened elevator to run, the injury to passenger can be caused.
nullAnd the technical program provides a kind of double; two roller structure，Roller 7 is installed at backbone block 5 two ends，Roller switch is arranged on the guide rail of elevator door，Elevator door-motor has isosceles trapezoid protruding on re-packing，When protruding the re-packing of isosceles trapezoid is moved along roller switch installed surface normal direction time，Time a roller 7 in the middle part of the main body block 1 is first towards the upper pressure of main body block 1，Pivoted arm 4 and shell fragment 13 are moved upwardly by near one end of metal bracket 3，Shell fragment 13 end is contacted with metal bracket 3，Afterwards when protruding the re-packing of isosceles trapezoid returns during the other end motion of way roller switch，Another roller 7 moves upward，Shell fragment 13 end can be separated with metal bracket 3，Play the effect ensureing that shell fragment 13 separates with metal bracket 3，Prevent shell fragment 13 and the indissociable phenomenon of metal bracket 3 welding from occurring.
Simultaneously Elevator roller switch can be potentially encountered and contacts with water or the situation of dirt accumulation; occur to cause whole Lift out of order because switch internal contact meets water or dirt accumulation for making roller switch avoid in use; so installing protective cover 12 in main body block 1; protective cover 12 can be effectively protected roller switch circuit part; simultaneously by the part such as protective cover the 12, first sealing-plug the 16, second sealing-plug 14 and rubber seal plug 16, improve the sealing effectiveness of whole roller switch.
Embodiment 2
Structure shown in Fig. 4 is the roller switch topology view as normal open switch, spring 10 is installed between pivoted arm 4 and spring positioning base 11, when protruding isosceles trapezoid re-packs and moves and run into roller, rolling wheel support 5 one end in the middle part of main body block 1 promotes in the curved portions of lower section in the middle part of main body block 1, shell fragment 13 on pivoted arm 4 is contacted with metal bracket 3, combined by wire harness, make metal bracket 3, shell fragment 13 and Z-type nut 20 form loop, roller switch is made to be in closure state, re-pack after leaving roller, shell fragment resets under the restoring force effect of spring and maintains a normally open state.
Embodiment 3
Structure shown in Fig. 5 is the roller switch topology view as normally closed switch, the position of pivoted arm 4 and former installation spring positioning base 11 is provided with stop screw 9, when protruding isosceles trapezoid re-packs and moves and run into roller, rolling wheel support 5 is provided with spring 10 near between one end and main body block 1 of main body block 1 side, now spring 10 can be compressed by rolling wheel support 5, shell fragment 13 on pivoted arm 4 is separated with metal bracket 3, roller switch is off, after leaving roller when re-packing, shell fragment resets under the restoring force effect of spring and keeps normally off.
Claims (10)
- null1. the closed roller switch with safeguard function for elevator，Including main body block (1)、Rolling wheel support (5) and cable trough (2)，It is characterized in that: described main body block (1) lower end thereof is provided with rolling wheel support (5)，In the cavity of the other end of described main body block (1), pivoted arm (4) is installed，The rotating shaft (6) that described pivoted arm (4) one end is installed on one end of rolling wheel support (5)，Rotating shaft (6) two ends are connected through main body block (1) with rolling wheel support (5)，Shell fragment (13) is had to stretch out in described pivoted arm (4)，It is inlaid with Z-type nut (20) in described main body block (1) middle part，Main body block (1) top is provided with vertical metal bracket (3) down near cavity by mouth position，Described shell fragment (13) one end is connected with Z-type nut (20) lower end，It is corresponding with metal bracket (3) that the other end stretches out pivoted arm (4)，Described position, main body block (1) cavity hatch portion is provided with coated metal bracket (3)、The protective cover (12) of pivoted arm (4) and shell fragment (13)，Protective cover (12) and main body block (1) joint place are provided with the waterproof step (21) matched with protective cover (12) edge，Described rolling wheel support (5) two ends are provided with roller (7).
- 2. a kind of closed roller switch with safeguard function for elevator according to claim 1, it is characterized in that: the vertically-mounted spring positioning base (11) having the one end stretching out opening with pivoted arm (4) corresponding in described main body block (1) cavity hatch place, it is provided with in two springs (10) being arranged side by side between described spring positioning base (11) and pivoted arm (4) end, described rolling wheel support (5) one end is positioned at the lower section of main body block (1) middle part arc part, the other end is arranged above the stop screw (9) corresponding with this end, stop screw (9) is connected with main body block (1).
- 3. a kind of closed roller switch with safeguard function for elevator according to claim 1, it is characterized in that: the vertically-mounted metal bracket (3) having the one end stretching out opening with pivoted arm (4) corresponding in described main body block (1) cavity hatch place, stop screw (9) pushes up mutually with rolling wheel support (5) external part, described rolling wheel support (5) one end is positioned at the lower section of main body block (1) middle part arc part, being provided with spring (10) on the other end, spring (10) upper end is connected with main body block (1).
- 4. a kind of closed roller switch with safeguard function for elevator according to claim 1, it is characterized in that: the described side above main body block (1) cavity hatch place is provided with cable trough (2), wire harness combination is installed in described cable trough (2), wire harness combination has two wires, wherein one is connected with metal bracket (3), and another root is connected with the upper end of Z-type nut (20).
- 5. a kind of closed roller switch with safeguard function for elevator according to claim 1, it is characterized in that: described protective cover (12) is connected by attachment screw (17) and main body block (1) are fixing, described attachment screw (17) is provided with the packing ring being close to protective cover (12), described protective cover (12) is provided with the U-type groove matched with attachment screw (17).
- 6. a kind of closed roller switch with safeguard function for elevator according to claim 2, it is characterized in that: described stop screw (9) upper end offers flat recess, and through being fixed in main body block (1), described stop screw (9) middle part is provided with in two adjusting nuts being arranged side by side up and down, and main body block (1) is close to by adjusting nut above.
- 7. a kind of closed roller switch with safeguard function for elevator according to claim 1, it is characterised in that: described pivoted arm (4), rotating shaft (6) are fixedly linked by plus screw (15) and rolling wheel support (5).
- 8. a kind of closed roller switch with safeguard function for elevator according to claim 4, it is characterized in that: the side that described cable trough (2) top is connected with main body block (1) is provided with and is inserted vertically into plate (18), it is inserted vertically into plate (18) middle part and is provided with through hole, wire harness combination in cable trough (2) is stretched out from through hole, and is provided with waterproof rubber sleeve in through hole and seals.
- 9. a kind of closed roller switch with safeguard function for elevator according to claim 8, it is characterized in that: the medial surface that described protective cover (12) top and main body block (1) are fitted is provided with grafting location division (19), described main body block (1) and be inserted vertically on plate (18) and be provided with the locating slot matched with grafting location division (19).
- 10. a kind of closed roller switch with safeguard function for elevator according to claim 1, it is characterized in that: be fixed by vertically-mounted location screw between described rotating shaft (6) and pivoted arm (4), the positioning screw side of nailing on, main body block (1) upper side is provided with the first installing hole (22), it is connected by screw between described Z-type nut (20) lower end and shell fragment (13), below screw, main body block (1) downside is vertically provided with the second installing hole (23), described the first installing hole (22) and the second installing hole (23) are separately installed with the first sealing-plug (16) and the second sealing-plug (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620019788.5U CN205367360U (en) | 2016-01-07 | 2016-01-07 | A closed roller switch that is used for safeguard function that has of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620019788.5U CN205367360U (en) | 2016-01-07 | 2016-01-07 | A closed roller switch that is used for safeguard function that has of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205367360U true CN205367360U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620019788.5U Active CN205367360U (en) | 2016-01-07 | 2016-01-07 | A closed roller switch that is used for safeguard function that has of elevator |
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| CN (1) | CN205367360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480798A (en) * | 2016-01-07 | 2016-04-13 | 日立电梯（中国）有限公司 | Closed roller switch for elevator with protection function |
-
2016
- 2016-01-07 CN CN201620019788.5U patent/CN205367360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480798A (en) * | 2016-01-07 | 2016-04-13 | 日立电梯（中国）有限公司 | Closed roller switch for elevator with protection function |
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