CN219759398U - High temperature resistant signal switch - Google Patents
High temperature resistant signal switch Download PDFInfo
- Publication number
- CN219759398U CN219759398U CN202320519948.2U CN202320519948U CN219759398U CN 219759398 U CN219759398 U CN 219759398U CN 202320519948 U CN202320519948 U CN 202320519948U CN 219759398 U CN219759398 U CN 219759398U
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- telescopic part
- fixing block
- signal switch
- guide rod
- fixed
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- 238000001514 detection method Methods 0.000 abstract description 3
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to the field of switch control, in particular to a high-temperature-resistant signal switch; the high-temperature-resistant signal switch comprises a fixed unit, a first telescopic part and a second telescopic part; the fixing unit is fixedly arranged on the external station, the first telescopic part is arranged at one end of the fixing unit, the end part of the first telescopic part is propped against the bottom of the external storage table, and a first connecting wire connected with an external control circuit is arranged on the first telescopic part; the second telescopic part is arranged at the other end of the fixed unit, and a second connecting wire connected with an external control circuit is arranged on the second telescopic part; the signal switch is formed by assembling the high-temperature-resistant mechanical parts, the stability of the signal switch is not limited by temperature, the signal switch is not easy to fail in a high-temperature environment, the working stability of the signal switch is effectively improved, and the collision accident is effectively avoided; the structural strength of the signal switch can be effectively improved through mechanical part assembly, and the detection of a large workpiece can be met.
Description
Technical Field
The utility model relates to the field of switch control, in particular to a high-temperature-resistant signal switch.
Background
In the automation industry, it is involved in determining whether a workpiece is present at a station, and the requirements for such switches in a high temperature chamber are higher. At present, a plurality of proximity switches and micro switches are adopted in a high-temperature cavity in the market, but the stability of the switches is basically limited by temperature, and the switches are difficult to work for a long time in a high-temperature environment, even if the proximity switches and the micro switches are used, components in the switches are easy to lose efficacy under the high-temperature condition, and an automatic control system is easy to judge and miss, and crash events occur frequently.
Therefore, it is critical to the art to design a high temperature resistant signal switch that can operate stably in a high temperature environment.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, provides the high-temperature-resistant signal switch capable of stably working in a high-temperature environment, and overcomes the defects that in the prior art, under the high-temperature condition, components in the switch are easy to fail, an automatic control system is easy to judge and miss, and a collision event occurs frequently.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high temperature resistant signal switch, its preferred scheme lies in, high temperature resistant signal switch includes:
the fixing unit is fixedly arranged on the external station;
the first telescopic part is arranged at one end of the fixing unit, the end part of the first telescopic part is propped against the bottom of the external storage table, and a first connecting wire connected with an external control circuit is arranged on the first telescopic part;
the second telescopic part is arranged at the other end of the fixed unit, and a second connecting wire connected with an external control circuit is arranged on the second telescopic part;
the first telescopic part can descend when the external storage table is stressed and is contacted with the second telescopic part, so that the first connecting wire is connected with the second connecting wire to form a closed loop, and the first telescopic part can ascend when the external storage table is not stressed and is separated from the second telescopic part, so that the first connecting wire is disconnected with the second connecting wire.
The preferred scheme is as follows: the fixing unit comprises a first fixing block and a second fixing block, the first fixing block and the second fixing block are both fixed with an external station, the first telescopic part is fixed on the first fixing block, and the second telescopic part is fixed on the second fixing block.
The preferred scheme is as follows: the first telescopic part comprises a first guide rod and a first elastic piece sleeved on the first guide rod, a first through hole is formed in the first fixing block, the first guide rod penetrates through the first through hole to be fixed with the first fixing block, and the first elastic piece is located between the first fixing block and the bottom of the external storage table.
The preferred scheme is as follows: the first guide rod is internally provided with a first wiring groove, one end of the first connecting wire is connected with an external control circuit, and the other end of the first connecting wire penetrates through the first wiring groove to be exposed on the end face of the first guide rod, which faces one end of the second guide rod.
The preferred scheme is as follows: the second telescopic part comprises a second guide rod and a second elastic piece sleeved on the second guide rod, a second through hole is formed in the second fixing block, and the second guide rod penetrates through the second through hole to be fixed with the second fixing block.
The preferred scheme is as follows: the second guide rod is internally provided with a second wiring groove, one end of the second connecting wire is connected with an external control circuit, and the other end of the second connecting wire penetrates through the second wiring groove to be exposed on the end face of the second guide rod, which faces one end of the first guide rod.
The preferred scheme is as follows: the first elastic piece and the second elastic piece are compression springs.
The preferred scheme is as follows: the fixing unit further comprises a fixing plate, the fixing plate is fixed on an external station, and the first fixing block and the second fixing block are respectively fixed at two ends of the fixing plate.
The preferred scheme is as follows: the fixing plate is provided with at least one threaded hole, and the fixing plate can penetrate through the threaded hole through an external screw and is locked to be fixed with an external station.
The preferred scheme is as follows: the first fixing block is provided with at least one first mounting hole, and can penetrate through the first mounting hole through an external screw and be locked to be fixed with the fixing plate; the second fixing block is provided with at least one second mounting hole, and the second fixing block can penetrate through the second mounting hole through an external screw and is locked to be fixed with the fixing plate.
Compared with the prior art, the utility model realizes the judgment of whether the product exists on the station by adopting pure mechanical movement; the whole switch device is assembled by adopting high-temperature-resistant mechanical parts, on one hand, the stability of the switch device is not limited by temperature, and the mechanical parts are not easy to fail in a high-temperature environment, so that the working stability of the signal switch is effectively improved, and the accident of collision is effectively avoided; on the other hand, the structural strength of the signal switch can be effectively improved through the assembly of mechanical parts, and the detection of a large workpiece can be met.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a high temperature resistant signal switch according to the present utility model;
fig. 2 is a schematic diagram of a high temperature resistant signal switch according to the second embodiment of the present utility model.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the present utility model provides a preferred embodiment of a high temperature resistant signal switch.
A high temperature resistant signal switch, and referring to fig. 1, the high temperature resistant signal switch includes a fixing unit 1, a first telescopic part 2, and a second telescopic part 3; the fixing unit 1 is fixedly arranged on the external station 10, the first telescopic part 2 is arranged at one end of the fixing unit 1, the end part of the first telescopic part is propped against the bottom of the external storage table 20, and a first connecting wire 21 connected with an external control circuit is arranged on the first telescopic part 2; the second telescopic part 3 is arranged at the other end of the fixed unit 1, and a second connecting wire 31 connected with an external control circuit is arranged on the second telescopic part 3.
In particular, and with reference to fig. 1, the fixing unit 1 is mainly used for fixing the high temperature resistant signal switch to an external station 10; the first telescopic part 2 and the second telescopic part 3 can move relative to the fixing unit 1, the top end of the first telescopic part 2 is connected with the bottom of the external storage table 20, and the first telescopic part 2 and the second telescopic part 3 can move in a matched manner to achieve two states of contact and disconnection.
When a product is placed on the outer placement table 20, the weight of the product can give pressure to the outer placement table 20 and enable the outer placement table 20 to be pressed down, and the pressing force of the outer placement table 20 can drive the first telescopic part 2 to move down and enable the first telescopic part 2 to be in contact with the second telescopic part 3, and the opposite is achieved; when the product placed on the outer storage platform 20 is taken away, the outer storage platform 20 is released from the pressure, and the first telescopic part 2 resets and drives the outer storage platform 20 to move upwards together, so that the first telescopic part 2 is separated from the second telescopic part 3.
Further, referring to fig. 1, the first expansion part 2 is provided with a first connection line 21, one end of the first connection line 21 is fixed on the first expansion part 2, the other end of the first connection line 21 extends to the outside of the first expansion part 2 and is connected to a loop of an external control circuit, the second expansion part 3 is provided with a second connection line 31, one end of the second connection line 31 is fixed on the second expansion part 3, and the other end of the second connection line 31 extends to the outside of the second expansion part 3 and is connected to a loop of the external control circuit.
When no product is placed on the external placement table 20, the first telescopic part 2 and the second telescopic part 3 are in an initial state, that is, the first telescopic part 2 is separated from the second telescopic part 3, and the first connecting line 21 is disconnected from the second connecting line 31; when a product is placed on the outer placement table 20, the outer placement table 20 is pressed down by force to enable the first telescopic part 2 to move downwards and contact with the second telescopic part 3, so that the first connecting line 21 and the second connecting line 31 are connected and form a closed loop; when the product on the external storage table 20 is removed, the first telescopic part 2 and the second telescopic part 3 recover to the initial state.
In the prior art, most of the switches or micro switches adopted in the high-temperature cavity are proximity switches or micro switches, the stability of the operation of the switches is basically affected by temperature, the switches are difficult to work for a long time in a high-temperature environment, components in the switches are easy to fail in the high-temperature environment, and an automatic control system judgment error is easy to cause, so that a crash event is caused.
In the embodiment, the judgment of whether a product exists on the station is realized by adopting pure mechanical movement; the whole switch device is assembled by adopting high-temperature-resistant mechanical parts, on one hand, the stability of the switch device is not limited by temperature, and the mechanical parts are not easy to fail in a high-temperature environment, so that the working stability of the signal switch is effectively improved, and the accident of collision is effectively avoided; on the other hand, the structural strength of the signal switch can be effectively improved through the assembly of mechanical parts, and the detection of a large workpiece can be met.
In one embodiment, and referring to fig. 2, the fixing unit 1 includes a first fixing block 11 and a second fixing block 12, the first fixing block 11 and the second fixing block 12 are both fixed to the external station 10, the first telescopic part 2 is fixed to the first fixing block 11, and the second telescopic part 3 is fixed to the second fixing block 12.
Specifically, referring to fig. 2, the first fixing block 11 and the second fixing block 12 are both high temperature resistant mechanical components, the first fixing block 11 is mainly used for fixing the first telescopic portion 2, the second fixing block 12 is only used for fixing the second telescopic portion 3, the first fixing block 11 and the second fixing block 12 are respectively fixed on the external station 10 and are in an up-down positional relationship, and a certain gap exists between the first telescopic portion 2 and the second telescopic portion 3 after the first fixing block 11 and the second fixing block 12 are respectively mounted on the first telescopic portion 2 and the second telescopic portion 3.
In one embodiment, and referring to fig. 2, the first telescopic portion 2 includes a first guide rod 22 and a first elastic member 23 sleeved on the first guide rod 22, the first fixing block 11 is provided with a first through hole 113, and the first guide rod 22 is fixed with the first fixing block 11 through the first through hole 113, so that the first elastic member 23 is located between the first fixing block 11 and the bottom of the external storage table 20.
Specifically, referring to fig. 2, the first guide rod 22 may move downward relative to the first fixed block 11 when a force is applied, the first elastic member 23 is sleeved on the first guide rod 22, and is disposed at a portion above the first fixed block 11, that is, between the first fixed block 11 and the bottom of the outer storage table 20, when the outer storage table 20 is pressed down by a force, the first guide rod 22 moves downward and the first elastic member 23 contracts, so that the first guide rod 22 contacts with the second telescopic portion 3, and when the pressure on the outer storage table 20 disappears, under the action of the first elastic member 23, the first guide rod 22 drives the outer storage table 20 to move upward to reset.
In one embodiment, a first wiring groove is disposed in the first guide rod 22, one end of the first connecting wire 21 is connected to an external control circuit, and the other end of the first connecting wire passes through the first wiring groove and is exposed at an end face of the first guide rod 22 facing one end of the second guide rod 32.
Specifically, the first wiring groove is mainly used for accommodating the first connecting wire 21, and the first connecting wire 21 can effectively avoid the influence of a high-temperature environment on the first connecting wire 21 when the first wiring groove is used for carrying out wiring, so that the stability of the signal switch is further improved.
In one embodiment, and referring to fig. 2, the second telescopic portion 3 includes a second guide rod 32 and a second elastic member 33 sleeved on the second guide rod 32, the second fixing block 12 is provided with a second through hole 123, and the second guide rod 32 passes through the second through hole 123 and is fixed with the second fixing block 12.
Specifically, and referring to fig. 2, the first guide rod 22 can move downward onto the second guide rod 32 relative to the first fixed block 11 when being stressed, and press the second guide rod 32 downward, the second elastic member 33 is sleeved on the second guide rod 32, and is disposed on a portion of the second guide rod 32 above the second fixed block 12, when the first guide rod 22 moves downward, the first guide rod 22 contacts with the second guide rod 32, so that the first connecting line 21 and the second connecting line 31 are connected to form a closed loop; when the pressure on the outer storage platform 20 disappears, under the action of the first elastic member 23 and the second elastic member 33, the second guide rod 32 resets, and the first guide rod 22 drives the outer storage platform 20 to move upwards for resetting, so that the first connecting line 21 is disconnected from the second connecting line 31.
In one embodiment, a second wiring groove is disposed in the second guiding rod 32, one end of the second connecting wire 31 is connected to an external control circuit, and the other end of the second connecting wire passes through the second wiring groove and is exposed at an end face of the second guiding rod 32 facing one end of the first guiding rod 22.
Specifically, the second wiring groove is mainly used for accommodating the second connecting wire 31, and the second connecting wire 31 is used for carrying out wiring from the second wiring groove, so that the influence of a high-temperature environment on the second connecting wire 31 can be effectively avoided, and the stability of the signal switch is further improved.
In one embodiment, the first elastic member 23 and the second elastic member 33 are compression springs.
In one embodiment, and referring to fig. 2, the fixing unit 1 further includes a fixing plate 13, the fixing plate 13 is fixed to the external station 10, and the first fixing block 11 and the second fixing block 12 are fixed to both ends of the fixing plate 13, respectively.
Specifically, referring to fig. 2, the fixing plate 13 is mainly used to fix the first fixing block 11 and the second fixing block 12 on the external station 10, and the uniformity between the first fixing block 11 and the second fixing block 12 can be improved by uniformly fixing the fixing plate 13.
In one embodiment, and referring to fig. 2, the fixing plate 13 is provided with at least one threaded hole 131, and the fixing plate 13 can be fastened to the external station 10 by passing an external screw through the threaded hole 131.
Specifically, referring to fig. 2, the fixing plate 13 is provided with a plurality of threaded holes 131, and screws are inserted into the threaded holes 131 and screwed down, so that the fixing plate 13 is fixed on the external station 10, and the screws are also high-temperature-resistant mechanical parts, so that the fixing plate is fixed in a manner of matching the screws with the threaded holes 131, is not easily affected by a high-temperature environment, and can effectively improve the stability of the signal switch.
In one embodiment, and referring to fig. 2, the first fixing block 11 is provided with at least one first mounting hole 111, and the first fixing block 11 can be fastened to the fixing plate 13 by passing an external screw through the first mounting hole 111; the second fixing block 12 is provided with at least one second mounting hole 121, and the second fixing block 12 can pass through the second mounting hole 121 by an external screw and be locked to be fixed with the fixing plate 13.
Specifically, and referring to fig. 2, the first fixing block 11 is provided with at least one first mounting hole 111, and a screw is inserted into the first mounting hole 111 and tightened, so that the first fixing block 11 can be fixed on the fixing plate 13; at least one second mounting hole 121 is formed in the second fixing block 12, and a screw is inserted into the second mounting hole 121 and tightened, so that the second fixing block 12 can be fixed on the fixing plate 13; because the screw is also high temperature resistant mechanical part, adopts screw and screw hole 131 complex mode to fix, is difficult for receiving high temperature environment's influence, can effectively improve this signal switch's stability.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the utility model, but rather is intended to cover all modifications and variations within the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A high temperature resistant signal switch, the high temperature resistant signal switch comprising:
the fixing unit is fixedly arranged on the external station;
the first telescopic part is arranged at one end of the fixing unit, the end part of the first telescopic part is propped against the bottom of the external storage table, and a first connecting wire connected with an external control circuit is arranged on the first telescopic part;
the second telescopic part is arranged at the other end of the fixed unit, and a second connecting wire connected with an external control circuit is arranged on the second telescopic part;
the first telescopic part can descend when the external storage table is stressed and is contacted with the second telescopic part, so that the first connecting wire is connected with the second connecting wire to form a closed loop, and the first telescopic part can ascend when the external storage table is not stressed and is separated from the second telescopic part, so that the first connecting wire is disconnected with the second connecting wire.
2. The high temperature resistant signal switch of claim 1, wherein: the fixing unit comprises a first fixing block and a second fixing block, the first fixing block and the second fixing block are both fixed with an external station, the first telescopic part is fixed on the first fixing block, and the second telescopic part is fixed on the second fixing block.
3. The high temperature resistant signal switch of claim 2, wherein: the first telescopic part comprises a first guide rod and a first elastic piece sleeved on the first guide rod, a first through hole is formed in the first fixing block, the first guide rod penetrates through the first through hole to be fixed with the first fixing block, and the first elastic piece is located between the first fixing block and the bottom of the external storage table.
4. A high temperature resistant signal switch as claimed in claim 3, wherein: the second telescopic part comprises a second guide rod and a second elastic piece sleeved on the second guide rod, a second through hole is formed in the second fixing block, and the second guide rod penetrates through the second through hole to be fixed with the second fixing block.
5. The high temperature resistant signal switch of claim 4, wherein: the first guide rod is internally provided with a first wiring groove, one end of the first connecting wire is connected with an external control circuit, and the other end of the first connecting wire penetrates through the first wiring groove to be exposed on the end face of the first guide rod, which faces one end of the second guide rod.
6. The high temperature resistant signal switch of claim 5, wherein: the second guide rod is internally provided with a second wiring groove, one end of the second connecting wire is connected with an external control circuit, and the other end of the second connecting wire penetrates through the second wiring groove to be exposed on the end face of the second guide rod, which faces one end of the first guide rod.
7. The high temperature resistant signal switch of claim 5, wherein: the first elastic piece and the second elastic piece are compression springs.
8. The high temperature resistant signal switch of claim 2, wherein: the fixing unit further comprises a fixing plate, the fixing plate is fixed on an external station, and the first fixing block and the second fixing block are respectively fixed at two ends of the fixing plate.
9. The high temperature resistant signal switch of claim 8, wherein: the fixing plate is provided with at least one threaded hole, and the fixing plate can penetrate through the threaded hole through an external screw and is locked to be fixed with an external station.
10. The high temperature resistant signal switch of claim 8, wherein: the first fixing block is provided with at least one first mounting hole, and can penetrate through the first mounting hole through an external screw and be locked to be fixed with the fixing plate; the second fixing block is provided with at least one second mounting hole, and the second fixing block can penetrate through the second mounting hole through an external screw and is locked to be fixed with the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519948.2U CN219759398U (en) | 2023-03-06 | 2023-03-06 | High temperature resistant signal switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519948.2U CN219759398U (en) | 2023-03-06 | 2023-03-06 | High temperature resistant signal switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759398U true CN219759398U (en) | 2023-09-26 |
Family
ID=88084336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320519948.2U Active CN219759398U (en) | 2023-03-06 | 2023-03-06 | High temperature resistant signal switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759398U (en) |
-
2023
- 2023-03-06 CN CN202320519948.2U patent/CN219759398U/en active Active
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