CN113345735B - Hanging basket detecting switch - Google Patents
Hanging basket detecting switch Download PDFInfo
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- CN113345735B CN113345735B CN202110631445.XA CN202110631445A CN113345735B CN 113345735 B CN113345735 B CN 113345735B CN 202110631445 A CN202110631445 A CN 202110631445A CN 113345735 B CN113345735 B CN 113345735B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to a hanging basket detection switch which comprises a shell component, a movable rod component, a counter weight hammer, a magnetic switch component and a connecting cable, wherein the movable rod component is arranged on the shell component; the shell assembly comprises a shell, a shell end cover, a first O-shaped ring, a shell nut and a second O-shaped ring; the shell end cover is screwed on the shell, and the first O-shaped ring is provided with a connecting part; the shell nut is screwed on the shell and provided with a second O-shaped ring; the movable rod assembly comprises a movable rod, a movable rod nut and a third O-shaped ring; the movable rod nut is connected above the movable rod, and the third O-shaped ring is arranged at the joint; the counterweight hammer connected below the movable rod comprises an outer shell and a metal counterweight block embedded in the outer shell; the movable rod passes through the shell and is in sliding fit; the magnetic switch assembly comprises a strong magnetic block and a circuit board, wherein the strong magnetic block is arranged in the middle of the movable rod; the circuit board provided with the normally closed reed pipe is arranged in the shell encapsulated by resin; the connecting cable penetrates into the shell and is electrically connected with the circuit board; the corrosion resistance effect of the hanging basket detection switch is good.
Description
Technical Field
The invention relates to the field of industrial switches, in particular to a hanging basket detection switch used in a severe corrosive and high-crystallization environment.
Background
With the continuous development of the semiconductor and chip fields, various strong acid, strong alkali, strong oxidizing mediums are widely used, for example, the demands of devices of semiconductor packaging hanging baskets are increasing, but the stainless steel materials cannot be used in the strong acid, strong alkali, strong oxidizing mediums at present.
The hanging basket detection switch is a device for detecting whether the hanging basket is at a designated position or not through contacting the hanging basket, and the hanging basket detection switch enters different cleaning tanks along with the hanging basket, and is directly contacted with various corrosive strong acid, highly crystallized strong alkali and strong oxidizing mediums.
The hanging basket detection switch in the current market is poor in corrosion resistance, electronic spare and accessory parts can be corroded, the hanging basket detection switch can be blocked by high-degree crystals of strong alkali to be unable to act, hot water is required to be used for cleaning every day, production efficiency of a semiconductor chip and a photovoltaic silicon wafer is seriously affected, due to the fact that the hanging basket detection switch is contacted with different grooves, different mediums can be brought into other grooves, medium pollution in the grooves is caused, and production process and product quality are affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing the hanging basket detection switch which has good corrosion resistance effect and can be effectively applied to strong acid, strong alkali and strong oxidizing environments.
The technical scheme for achieving the purpose of the invention is to provide a hanging basket detection switch, which comprises a shell component, a movable rod component, a counter weight hammer, a magnetic switch component and a connecting cable;
the shell assembly comprises a shell, a shell end cover, a first O-shaped ring, a shell nut and a second O-shaped ring;
the shell is an integral piece and comprises a round main shell with a backward opening, wherein the main shell is provided with a movable rod hole which is vertical to the axis of the main shell, penetrates up and down and is circumferentially closed; the shell end cover is screwed on the shell from the rear; the first O-shaped ring is arranged at the joint of the shell end cover and the shell; the shell nut is a limit nut with a central through hole, the shell nut is screwed on the shell, and a second O-shaped ring is arranged at the joint;
the movable rod assembly comprises a movable rod, a movable rod nut and a third O-shaped ring; the movable rod is an integrated part and comprises a main rod body, an annular step part connected above the main rod body, a nut connecting rod connected above the step part and a counterweight hammer connecting rod connected below the main rod body; the cross section shape of the main rod body corresponds to the movable rod hole of the shell; the step part is larger than the main rod body; the movable rod nut is screwed on the nut connecting rod, and a third O-shaped ring is arranged between the movable rod nut and the step part;
the counter weight hammer is chestnut-shaped and comprises a metal counter weight and an outer shell, wherein the metal counter weight is embedded in the outer shell, and the outer shell is made of PTFE (polytetrafluoroethylene) materials;
the movable rod of the movable rod assembly passes through the movable rod hole of the main shell of the shell downwards to be connected in an up-down sliding fit manner, and the counterweight hammer is connected to the counterweight hammer connecting rod of the movable rod;
the magnetic switch assembly comprises a strong magnetic block and a circuit board, wherein the strong magnetic block is arranged in a movable rod of the movable rod assembly and is positioned at the middle upper part of the movable rod; the circuit board is provided with a normally closed reed pipe, the circuit board is arranged in a main shell of the shell through a fastener, and an inner space formed by the main shell and a shell end cover is filled and sealed through resin; when the movable rod is positioned at the bottom position under the action of gravity of the counter weight hammer, the strong magnetic block and the normally-closed reed pipe on the circuit board are positioned at the same horizontal position, the counter weight hammer pushes the movable rod to move upwards, and the magnetic field of the strong magnetic block is far away from the normally-closed reed pipe and cannot touch the normally-closed reed pipe;
the connecting cable penetrates into the main shell of the shell through the shell nut and is electrically connected with the circuit board so as to be electrically connected with the normally-closed reed switch.
Further, the cross section of the movable rod hole of the shell is a semi-circular rectangle with a circular angle at the rear side and a right angle at the front side; the edge of the rear end of the main shell is provided with an annular neck which is larger than the outer diameter of the main shell, the inner end surface of the rear end of the main shell and the inner end surface of the front section of the annular neck are provided with continuous internal threads, and the inner diameter of the inner end surface of the rear section of the annular neck is larger than that of the front section and is in a step shape; two left and right sides above the annular neck are symmetrically provided with 2 waist-round connecting lugs; the upper right side of the main shell is provided with a cylindrical cable connecting column, the cable connecting column is provided with a cable connecting hole communicated with the inside of the main shell, and the cable connecting column is provided with internal threads; three circuit board connecting columns are arranged in the main shell and used for fixing the circuit board; the cable guide limiting plate connected with the side wall of the main shell and the hole wall of the movable rod hole is arranged in the main shell at the cable connecting column.
Further, the shell end cover comprises a rear cover plate and a connecting neck part which is connected to the front edge of the rear cover plate and provided with external threads, the shell end cover corresponds to the rear opening of the large shell, and the external threads of the connecting neck part correspond to the internal threads of the main shell and the annular neck part; the center of the rear cover plate of the shell end cover is provided with 1 glue filling hole, and the glue filling hole is sealed by 1 rubber plug; the first O-shaped ring is arranged between the front end face of the connecting neck part of the shell end cover and the stepped part of the annular neck part of the shell.
Further, the shell nut comprises a head and a rod, the rod of the shell nut corresponds to the cable connecting column of the shell in size, and the rod of the shell nut is provided with external threads corresponding to the internal threads of the cable connecting column; the second O-ring is arranged between the bottom of the shell nut and the bottom of the cable connecting column of the shell.
Further, the nut connecting rod of the movable rod is provided with external threads, and the counterweight hammer connecting rod is provided with external threads; the upper end of the movable rod nut is closed, the opening is downward, and an internal thread corresponding to the nut connecting rod is arranged.
Further, an outer shell of the counterweight hammer is provided with an internal threaded connecting hole with an upward opening; the counter weight hammer is screwed on the counter weight hammer connecting rod of the movable rod assembly through the internal thread connecting hole of the outer shell.
Further, the strong magnetic block is columnar, the shape of the strong magnetic block corresponds to the shape of the strong magnetic mounting hole of the movable rod, the strong magnetic block is arranged at the middle lower part of the strong magnetic mounting hole of the movable rod assembly, and the residual upper space of the strong magnetic mounting hole is filled and sealed by resin.
Further, the first O-shaped ring, the second O-shaped ring and the third O-shaped ring are FPM O-shaped rings; the shell, the shell end cover, the shell nut, the movable rod and the movable rod nut are all made of PVDF materials.
Furthermore, the connecting cable adopts a PVC cable, and the outgoing line length is 2200mm.
The invention has the positive effects that: (1) According to the hanging basket detection switch, the integrally formed movable rod is adopted, the integrally formed limiting step part is arranged above the hanging basket detection switch, so that the upper limit and the lower limit are prevented from being invalid during long-term operation, and the service life of the hanging basket detection switch is effectively prolonged.
(2) The movable rod of the hanging basket detection switch is internally provided with the strong magnetic block, the strong magnetic block is fixed by resin encapsulation after being placed in the movable rod, the FPM O-shaped ring is placed at the upper end of the movable rod, and the movable rod is screwed up and sealed by a movable rod nut, so that corrosive gas is prevented from invading and corroding the strong magnetic block; the counter weight hammer embeds metal balancing weight, and the shell body of outsourcing PTFE material is anticorrosive, and threaded connection increases movable rod decurrent weight on the movable rod, prevents to contact movable rod up-and-down motion direction and casing card after the alkali crystallization and dies, and corrosion resistance is splendid, has taken into account the counter weight design simultaneously, need not clean in the use, and the surface is smooth, is difficult to have crystallization, and the counter weight hammer can not receive crystallization influence to block the influence movable rod.
(3) The shell of the invention has a circular structure, the surface is smooth, various corrosive mediums are prevented from remaining, the cable connecting column at the upper right side is provided with the FPM O-shaped ring, the FPM O-shaped ring is sealed after being screwed in by the nut of the shell, corrosive gases are prevented from invading the reed pipe, the reed pipe is fixed in the shell through a circuit board by self-tapping screws, the FPM O-shaped ring is sleeved on the end cover of the shell, the end cover of the shell is screwed in the shell through threads and sealed by the FPM O-shaped ring, the corrosive gases are prevented from invading the reed pipe, after the movable rod 21 falls to the bottom through the action of gravity, the strong magnetic block triggers the reed pipe through the sent magnetic field, the counterweight hammer moves upwards after contacting the basket, the magnetic field of the strong magnetic block is far away from the reed pipe, the reed pipe cannot be triggered, the reed pipe is triggered through the up-down movement of the movable rod, the reed pipe is triggered through the up-down movement of the cable wire, and the switch signal is sent out by the reed pipe, and the effective operation of the switch is ensured on the basis of good corrosion resistance effect.
Drawings
FIG. 1 is a schematic view (front view) of a basket detecting switch according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a three-dimensional explosion structure of the basket detecting switch of the present invention;
FIG. 4 is a cross-sectional view taken along the A-A plane of FIG. 1;
fig. 5 is a cross-sectional view of the B-B plane of fig. 2.
The labels in the above figures are as follows:
the housing assembly 1, the housing 11, the housing end cover 12, the first O-ring 13, the housing nut 14 and the second O-ring 15;
a movable rod assembly 2, a movable rod 21, a main rod body 21-1, a step part 21-2, a nut connecting rod 21-3, a counter weight hammer connecting rod 21-4, a movable rod nut 22 and a third O-shaped ring 23;
the weight balancing device comprises a weight balancing hammer 3, a metal weight balancing weight 31, an outer shell 32, a magnetic switch assembly 4, a strong magnetic block 41, a circuit board 42, a connecting cable 5 and resin 6.
Detailed Description
Example 1
Referring to fig. 1 to 5, the basket detecting switch of the present embodiment includes a housing assembly 1, a movable rod assembly 2, a weight hammer 3, a magnetic switch assembly 4, and a connection cable 5.
The housing assembly 1 includes a housing 11, a housing end cap 12, a first O-ring 13, a housing nut 14, and a second O-ring 15. Wherein the housing 11, the housing end cap 12 and the housing nut 14 are all made of PVDF material.
The shell 11 is an integral piece and comprises a round main shell with a backward opening, wherein the main shell is provided with a movable rod hole which is vertical to the axis of the main shell, penetrates up and down and is circumferentially closed, and the cross section of the movable rod hole is in a semi-circular rectangle with a circular angle at the rear side and a right angle at the front side; the edge of the rear end of the main shell is provided with an annular neck which is larger than the outer diameter of the main shell, the inner end surface of the rear end of the main shell and the inner end surface of the front section of the annular neck are provided with continuous internal threads, and the inner diameter of the inner end surface of the rear section of the annular neck is larger than that of the front section and is in a step shape; two left and right sides above the annular neck are symmetrically provided with 2 waist-round connecting lugs; the upper right side of the main shell is provided with a cylindrical cable connecting column, the cable connecting column is provided with a cable connecting hole communicated with the inside of the main shell, and the cable connecting column is provided with internal threads; three circuit board connecting columns are arranged in the main shell and used for fixing the circuit board; the cable guide limiting plate connected with the side wall of the main shell and the hole wall of the movable rod hole is arranged in the main shell at the cable connecting column.
The shell end cover 12 is screwed on the shell 11 from the rear, the shell end cover 12 comprises a rear cover plate and a connecting neck part which is connected to the front edge of the rear cover plate and provided with external threads, the shell end cover 12 corresponds to the rear opening of the shell 11, and the external threads of the connecting neck part correspond to the internal threads of the main shell and the annular neck part. The center of the back cover plate of the shell end cover 12 is provided with 1 glue filling hole, and the glue filling hole is sealed by 1 rubber plug. The first O-shaped ring 13 adopts an FPM O-shaped ring, and the first O-shaped ring 13 is arranged at the joint of the shell end cover 12 and the shell 11, namely, the first O-shaped ring 13 is arranged between the front end surface of the connecting neck part of the shell end cover 12 and the stepped part of the annular neck part of the shell 11 to play a role in sealing.
The housing nut 14 is a retainer nut having a central through hole, the housing nut 14 includes a head portion and a stem portion, the stem portion of the housing nut 14 corresponds in size to the cable connection post of the housing 11, and the stem portion of the housing nut 14 has external threads corresponding to the internal threads of the cable connection post. The shell nut 14 is screwed on the cable connection column of the shell 11, and a second O-shaped ring 15 is arranged at the connection position, namely between the bottom of the shell nut 14 and the bottom of the cable connection column of the shell 11, and the second O-shaped ring 15 plays a role in sealing by adopting an FPM O-shaped ring.
The movable rod assembly 2 includes a movable rod 21, a movable rod nut 22, and a third O-ring 23. The movable rod 21 and the movable rod nut 22 are made of PVDF material.
The movable rod 21 is an integral part and comprises a main rod body 21-1, an annular step part 21-2 connected above the main rod body 21-1, a nut connecting rod 21-3 connected above the step part 21-2 and a counterweight hammer connecting rod 21-4 connected below the main rod body 21-1; the cross section shape of the main rod body 21-1 corresponds to the movable rod hole of the shell 11, and is a semi-circular rectangle with a circular angle at the rear side and a right angle at the front side; the step part 21-2 is larger than the main rod body 21-1, the nut connecting rod 21-3 is provided with external threads, and the upper part of the main rod body 21-1, the step part 21-2 and the nut connecting rod 21-3 are provided with strong magnetic mounting holes with upward through openings; the weight hammer connecting rod 21-4 is provided with external threads. The upper end of the movable rod nut 22 is closed and the opening is downward, and is provided with internal threads corresponding to the nut connecting rod 21-3; the movable rod nut 22 is screwed on the nut connecting rod 21-3, and a third O-shaped ring 23 is arranged between the movable rod nut 22 and the step part 21-2 to play a sealing role, and the third O-shaped ring 23 adopts an FPM O-shaped ring.
The counter weight 3 is chestnut-shaped and comprises a metal counter weight 31 and an outer shell 32, the metal counter weight 31 is embedded in the outer shell 32, the outer shell 32 is made of PTFE material, and the corrosion resistance is strong. The outer case 32 of the weight 3 is provided with an internal screw connection hole with an upward opening.
The movable rod 21 of the movable rod assembly 2 passes through the movable rod hole of the main housing of the housing 11 downwards to be connected in a vertically sliding fit manner, and the counter weight hammer 3 is screwed on the counter weight hammer connecting rod 21-4 of the movable rod 21 of the movable rod assembly 2 through the internal thread connecting hole of the outer housing 32 thereof.
The magnetic switch assembly 4 comprises a ferromagnetic block 41 and a circuit board 42, wherein the ferromagnetic block 41 is columnar, the shape of the ferromagnetic block 41 corresponds to the shape of a ferromagnetic mounting hole of the movable rod 21, the ferromagnetic block 41 is arranged at the middle lower part of the ferromagnetic mounting hole of the movable rod 21 of the movable rod assembly 2, and the residual upper space of the ferromagnetic mounting hole is hermetically protected by encapsulating the resin 6. The circuit board 42 is provided with a normally closed reed pipe, the circuit board 42 is installed in the main shell of the shell 11 through a fastener, and resin 6 encapsulation is carried out in an inner space formed by the main shell and the shell end cover 12 through a glue filling hole of the shell end cover 12 to realize airtight protection. When the movable rod 21 is positioned at the bottom position under the action of gravity of the counter weight hammer 3, the strong magnetic block 41 and the normally closed reed pipe on the circuit board 42 are positioned at the same horizontal position, the counter weight hammer 3 pushes the movable rod 21 to move upwards, and the magnetic field of the strong magnetic block 41 is far away from the reed pipe and cannot touch the reed pipe.
The connecting cable 5 adopts a PVC cable, the outgoing line length is 2200mm, and the connecting cable 5 penetrates into the main shell of the shell 11 through the shell nut 14 and is electrically connected with the circuit board 42 to be electrically connected with the normally closed reed switch.
The hanging basket detection switch of the embodiment adopts the integrally formed movable rod 21, the upper part is provided with the integrally formed limit step part 21-2, the upper limit and the lower limit of the hanging basket detection switch are prevented from being invalid in long-term operation, the movable rod 21 is internally provided with the strong magnetic block 41, the strong magnetic block 41 is fixed by resin encapsulation after being put in, the upper end is provided with the FPM O-shaped ring, and the movable rod nut 22 is used for tightening and sealing to prevent corrosive gas from invading the strong magnetic block 41; the weight 3 is internally provided with a metal balancing weight, an outer shell 32 which is wrapped with PTFE materials is anti-corrosion, the movable rod 21 is connected to the movable rod 21 in a threaded manner, the downward weight of the movable rod 21 is increased, the movable rod 21 is prevented from being blocked with the shell 11 after contacting strong alkali crystallization, the shell 11 is of a round structure and has good water draining performance, the surface is smooth, various corrosive mediums are prevented from remaining, a cable connecting column at the upper right side is provided with an FPM O-shaped ring, the cable connecting column is screwed into the cable connecting column through a shell nut 14 and is sealed, corrosive gases are prevented from invading a reed pipe, the reed pipe is fixed in the shell 11 through a tapping screw by a circuit board 42, the FPM O-shaped ring is sleeved on a shell end cover 12, the shell end cover 12 is screwed into the shell 11 through threads and is sealed through the FPM O-shaped ring, the corrosive gases are prevented from invading the reed pipe, the movable rod 21 falls to the bottom through the action of gravity, the cable connecting column is contacted with the basket, the weight 3 moves upwards, the cable connecting column of the weight 3 pushes the movable rod 21 to move upwards, the cable reed pipe 41 is separated from the reed pipe through the reed pipe, and the reed pipe cannot be triggered through the reed pipe, and the cable wire 12 is triggered to move upwards.
It is apparent that the above examples are merely illustrative of the present invention and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While remaining within the scope of the invention, obvious variations or modifications are incorporated by reference herein.
Claims (9)
1. Hang basket detection switch, its characterized in that: the device comprises a shell component (1), a movable rod component (2), a counterweight hammer (3), a magnetic switch component (4) and a connecting cable (5);
the shell assembly (1) comprises a shell (11), a shell end cover (12), a first O-ring (13), a shell nut (14) and a second O-ring (15);
the shell (11) is an integral piece and comprises a round main shell with a backward opening, wherein the main shell is provided with a movable rod hole which is vertical to the axis of the main shell, is penetrated up and down and is circumferentially closed; the shell end cover (12) is screwed on the shell (11) from the rear; the first O-shaped ring (13) is arranged at the joint of the shell end cover (12) and the shell (11); the shell nut (14) is a limit nut with a central through hole, the shell nut (14) is screwed on the shell (11), and a second O-shaped ring (15) is arranged at the joint;
the movable rod assembly (2) comprises a movable rod (21), a movable rod nut (22) and a third O-shaped ring (23); the movable rod (21) is an integrated part and comprises a main rod body (21-1), an annular step part (21-2) connected above the main rod body (21-1), a nut connecting rod (21-3) connected above the step part (21-2) and a counterweight hammer connecting rod (21-4) connected below the main rod body (21-1); the cross section shape of the main rod body (21-1) corresponds to the movable rod hole of the shell (11); the step part (21-2) is larger than the main rod body (21-1); the movable rod nut (22) is screwed on the nut connecting rod (21-3), and the third O-shaped ring (23) is arranged between the movable rod nut (22) and the step part (21-2);
the counter weight (3) is chestnut-shaped and comprises a metal counter weight (31) and an outer shell (32), the metal counter weight (31) is embedded in the outer shell (32), and the outer shell (32) is made of PTFE (polytetrafluoroethylene) materials;
the movable rod (21) of the movable rod assembly (2) passes through the movable rod hole of the main shell of the shell (11) downwards to be connected in a vertically sliding fit manner, and the counterweight hammer (3) is connected to the counterweight hammer connecting rod (21-4) of the movable rod (21);
the magnetic switch assembly (4) comprises a strong magnetic block (41) and a circuit board (42), wherein the strong magnetic block (41) is arranged in the movable rod (21) of the movable rod assembly (2) and is positioned at the middle upper part of the movable rod (21); the circuit board (42) is provided with a normally closed reed pipe, the circuit board (42) is arranged in a main shell of the shell (11) through a fastener, and an inner space formed by the main shell and the shell end cover (12) is filled and sealed by resin; when the movable rod (21) is positioned at the bottom position under the action of gravity of the counter weight hammer (3), the strong magnetic block (41) and the normally closed reed pipe on the circuit board (42) are positioned at the same horizontal position, the counter weight hammer (3) pushes the movable rod (21) to move upwards, and the magnetic field of the strong magnetic block (41) is far away from the normally closed reed pipe and cannot touch the normally closed reed pipe;
the connecting cable (5) penetrates into the main shell of the shell (11) through the shell nut (14) and is electrically connected with the circuit board (42) so as to be electrically connected with the normally closed reed switch.
2. The basket detection switch of claim 1 wherein: the cross section of the movable rod hole of the shell (11) is a semi-circular rectangle with a circular angle at the rear side and a right angle at the front side; the edge of the rear end of the main shell is provided with an annular neck which is larger than the outer diameter of the main shell, the inner end surface of the rear end of the main shell and the inner end surface of the front section of the annular neck are provided with continuous internal threads, and the inner diameter of the inner end surface of the rear section of the annular neck is larger than that of the front section and is in a step shape; two left and right sides above the annular neck are symmetrically provided with 2 waist-round connecting lugs; the upper right side of the main shell is provided with a cylindrical cable connecting column, the cable connecting column is provided with a cable connecting hole communicated with the inside of the main shell, and the cable connecting column is provided with internal threads; three circuit board connecting columns are arranged in the main shell and used for fixing the circuit board; the cable guide limiting plate connected with the side wall of the main shell and the hole wall of the movable rod hole is arranged in the main shell at the cable connecting column.
3. The basket detection switch of claim 2 wherein: the shell end cover (12) comprises a rear cover plate and a connecting neck part which is connected to the front edge of the rear cover plate and provided with external threads, the shell end cover (12) corresponds to the rear opening of the large shell (11), and the external threads of the connecting neck part correspond to the internal threads of the main shell and the annular neck part; the center of a rear cover plate of the shell end cover (12) is provided with 1 glue filling hole, and the glue filling hole is sealed by 1 rubber plug; the first O-ring (13) is arranged between the front end surface of the connecting neck of the shell end cover (12) and the stepped part of the annular neck of the shell (11).
4. The basket detection switch of claim 2 wherein: the shell nut (14) comprises a head part and a rod part, the rod part of the shell nut (14) corresponds to the cable connecting column of the shell (11), and the rod part of the shell nut (14) is provided with external threads corresponding to the internal threads of the cable connecting column; the second O-ring (15) is arranged between the bottom of the shell nut (14) and the bottom of the cable connecting column of the shell (11).
5. The basket detection switch of claim 2 wherein: the nut connecting rod (21-3) of the movable rod (21) is provided with external threads, and the counterweight hammer connecting rod (21-4) is provided with external threads; the upper end of the movable rod nut (22) is closed and the opening is downward, and an internal thread corresponding to the nut connecting rod (21-3) is arranged.
6. The basket detection switch of claim 5 wherein: an outer shell (32) of the counter weight hammer (3) is provided with an internal thread connecting hole with an upward opening; the counter weight hammer (3) is screwed on the counter weight hammer connecting rod (21-4) of the movable rod (21) of the movable rod assembly (2) through the internal thread connecting hole of the outer shell (32).
7. The basket detection switch of claim 2 wherein: the strong magnetic block (41) is columnar, the shape of the strong magnetic block corresponds to the shape of the strong magnetic mounting hole of the movable rod (21), the strong magnetic block (41) is arranged at the middle lower part of the strong magnetic mounting hole of the movable rod (21) of the movable rod assembly (2), and the residual upper space of the strong magnetic mounting hole is filled and sealed by resin.
8. The basket detection switch of claim 1 wherein: the first O-shaped ring (13), the second O-shaped ring (15) and the third O-shaped ring (23) are FPM O-shaped rings; the shell (11), the shell end cover (12), the shell nut (14), the movable rod (21) and the movable rod nut (22) are all made of PVDF materials.
9. The basket detection switch of claim 1 wherein: the connecting cable (5) adopts a PVC cable, and the outgoing line length is 2200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110631445.XA CN113345735B (en) | 2021-06-07 | 2021-06-07 | Hanging basket detecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110631445.XA CN113345735B (en) | 2021-06-07 | 2021-06-07 | Hanging basket detecting switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113345735A CN113345735A (en) | 2021-09-03 |
| CN113345735B true CN113345735B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110631445.XA Active CN113345735B (en) | 2021-06-07 | 2021-06-07 | Hanging basket detecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113345735B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447669A (en) * | 2017-08-27 | 2017-12-08 | 贵州新联爆破工程集团有限公司 | A kind of hanging basket formwork positioner |
| CN207159830U (en) * | 2017-08-27 | 2018-03-30 | 贵州新联爆破工程集团有限公司 | A kind of hanging basket formwork positioner |
| CN209626137U (en) * | 2019-05-23 | 2019-11-12 | 杨坚 | A kind of close switch of dry-reed magnetic induction |
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2021
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Patent Citations (3)
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| CN107447669A (en) * | 2017-08-27 | 2017-12-08 | 贵州新联爆破工程集团有限公司 | A kind of hanging basket formwork positioner |
| CN207159830U (en) * | 2017-08-27 | 2018-03-30 | 贵州新联爆破工程集团有限公司 | A kind of hanging basket formwork positioner |
| CN209626137U (en) * | 2019-05-23 | 2019-11-12 | 杨坚 | A kind of close switch of dry-reed magnetic induction |
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