CN116130262A - Impact-resistant two-pole travel switch - Google Patents
Impact-resistant two-pole travel switch Download PDFInfo
- Publication number
- CN116130262A CN116130262A CN202211357493.5A CN202211357493A CN116130262A CN 116130262 A CN116130262 A CN 116130262A CN 202211357493 A CN202211357493 A CN 202211357493A CN 116130262 A CN116130262 A CN 116130262A
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- CN
- China
- Prior art keywords
- contact
- contact piece
- reed
- travel switch
- pressing rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/0253—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch two co-operating contacts actuated independently
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- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention provides an impact-resistant two-pole travel switch, which comprises a shell, wherein at least one first contact piece and one second contact piece are arranged in the shell; according to the invention, through two different contact pieces, the reed can realize continuous on-off-on operation in the stroke range of the contact piece in the sliding process of the contact piece, a single on-off circuit switching mode is solved, and meanwhile, the switch adopts a steel ball guiding anti-rotation and double-spring mechanical hard limiting structure, so that the switch meets the high-strength slapping use condition.
Description
Technical Field
The invention relates to an impact-resistant two-pole travel switch.
Background
Travel switches are used in industry primarily to convert mechanical displacement into electrical signals to control mechanical action. The existing travel switch circuit is in an on-off or off-on mode, the internal structure is a micro switch combination, and severe environmental conditions and use conditions cannot be met.
For example, the airtight sealed travel switch disclosed in publication number CN216980402U and disclosed in the publication number CN216980402U is provided with a conductive ring through an insulating layer, and by sliding the metal core rod, the spring plate is clamped into a groove in the conductive ring to switch on and off, so that the switch is switched on and off. The combined travel switch of the micro switch can only be switched by a single on-off signal, and can not meet special environment and working condition.
Disclosure of Invention
In order to solve the technical problems, the invention provides an impact-resistant two-pole travel switch.
The invention is realized by the following technical scheme.
The invention provides an impact-resistant two-pole travel switch, which comprises a shell, wherein at least one first contact piece and one second contact piece are arranged in the shell; the method is characterized in that:
the first contact piece and the second contact piece are formed by fixing a middle contact piece or a short contact piece on the upper end side surface or the lower end side surface of a long contact piece;
a reed is correspondingly arranged below each middle contact piece and each short contact piece, and the lower ends of the reeds are respectively connected with an inserting sheet;
the lower end of each long contact piece is contacted with the upper end of the arc contact, and the lower ends of the reeds on the adjacent long contact pieces are connected with an inserting sheet together;
the contact pieces A and B are intersected and uniformly fixedly connected to the outer wall of the pressing rod, and the pressing rod is supported in the inner shell through the elastic component;
the reed is uniformly arranged on the outer wall of the inner shell, and the inner shell is arranged in the pressing rod;
the inserting piece is fixed in the socket, and the socket is arranged at the lower end of the pressing rod.
The middle part processing of pressing the pole has a functional section of thick bamboo, evenly processes the contact groove that has a quantity to be the sum of first class contact and second class contact on the outer wall of functional section of thick bamboo, and the bottom of contact groove is the plane and the lower extreme is the opening, and first class contact and second class contact are independently installed respectively in every contact inslot.
The diameter of the functional cylinder is larger than that of the two ends of the pressing rod, and a hard contact table is further processed on the lower end face of the functional cylinder.
The elastic component comprises an inner spring and an outer spring, the outer spring is sleeved at the lower end of the pressing rod, the inner spring is installed in a cylindrical groove machined at the lower end of the pressing rod, and the inner spring and the outer spring are in contact with the inner part of the inner shell.
The inner shell is internally provided with a three-stage stepped hole, the bottom of the third-stage stepped hole is provided with an inner spring seat, the bottom of the second-stage stepped hole is provided with a bushing, the lower end of the inner spring is sleeved on the inner spring seat, the lower end of the outer spring is in contact with the upper end face of the bushing, the corresponding positions of the side wall of the first-stage stepped hole and the side wall of the functional cylinder are uniformly provided with steel ball inner guide grooves parallel to the axial direction of the side wall of the functional cylinder, steel columns are placed in the steel ball inner guide grooves, and two ends of each steel column are respectively in contact with two ends of the steel ball inner guide grooves through a spring.
The height of the side wall of the first stage step is larger than the sum of the heights of the functional cylinder and the middle contact piece.
The reed is fixed on the reed seat for a group two by two, and the both ends of reed are processed respectively and are had arc contact and wiring hole and stretch out the upper and lower both ends of reed seat respectively, and the reed seat is fixed in the reed mounting groove, and the reed mounting groove evenly processes on the outer wall of inner shell, and the upper end and the hard contact surface of reed mounting groove are connected.
The upper end of the outer shell is provided with a reverse stepped hole, the stepped hole is sleeved on the pressing rod and is pressed at the upper end of the functional cylinder, the lower end of the outer shell is provided with an opening, and the pressing rod is pressed in the inner shell through connection of threads and the outer wall of the base.
The base is internally provided with a through hole, the top mechanism of the base is provided with a plurality of bulges, the bulges are assembled in a rotation limiting groove formed in the bottom of the outer wall of the inner shell, and the lower end of the base is fixed with the socket through a locking bolt.
The upper end of socket stretches into in the base, and the lower extreme processing of socket is the slot, and the middle part of socket is fixed the inserted sheet, and the upper end of inserted sheet stretches out the upper end of socket and is connected with the wire, and the upper end of wire stretches into in the inner shell and welds in the arc contact, and the lower extreme of inserted sheet stretches into in the slot.
The invention has the beneficial effects that: through two different contact pieces, the reed can realize continuous on-off-on operation in the stroke range of the contact piece in the sliding process of the contact piece, the single on-off circuit switching mode is solved, and meanwhile, the switch adopts a steel ball guiding anti-rotation and double-spring mechanical hard limiting structure, so that the switch meets the high-strength slapping use condition.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram of the structure of the present invention;
FIG. 5 is a schematic view of the structure of the present invention;
FIG. 6 is a schematic diagram of the structure of the present invention;
in the figure: the device comprises a 1-press rod, a 11-steel ball inner guide groove, a 12-A contact piece, a 13-hard contact platform, a 14-guide rod, a 15-contact piece groove, a 16-B contact piece, a 17-inner spring groove, a 18-function cylinder, a 19-guide groove, a 2-outer shell, a 3-inner shell, a 31-hard surface, a 32-steel ball outer guide groove, a 33-inner spring seat, a 34-spring mounting groove, a 35-contact hole, a 36-rotation limiting groove, a 37-positioning platform, a 4-base, a 41-bulge, a 5-spring, a 51-spring seat, a 52-arc contact, a 53-wiring hole, a 54-countersunk hole, a 6-steel column, a 7-outer spring, an 8-bushing, a 9-wire, a 10-socket, a 101-insert, a 102-gasket and a 103-locking bolt.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
An impact-resistant two-pole travel switch comprises a shell 2, wherein at least one first contact piece 12 and one second contact piece 16 are arranged in the shell 2; the method is characterized in that:
the first contact 12 and the second contact 16 are formed by fixing a middle contact or a short contact on the upper end side or the lower end side of a long contact;
a reed 5 is correspondingly arranged below each middle contact piece and each short contact piece, and the lower ends of the reeds 5 are respectively connected with an inserting sheet 101;
the lower end of each long contact piece is contacted with the upper end of the arc contact 52, and the lower ends of the reeds 5 on the adjacent long contact pieces are connected with an inserting sheet 101 together;
the contact pieces 12 and 16 are crossed and uniformly fixedly connected to the outer wall of the pressing rod 1, and the pressing rod 1 is supported in the inner shell 3 through an elastic component;
the reed 5 is uniformly arranged on the outer wall of the inner shell 3, and the inner shell 3 is arranged in the pressing rod 1;
the inserting piece 101 is fixed in the socket 10, and the socket 10 is arranged at the lower end of the pressing rod 1.
The middle part of the push rod 1 is provided with a functional cylinder 18, the outer wall of the functional cylinder 18 is uniformly provided with a plurality of contact slots 15 which are the sum of the first contact pieces 12 and the second contact pieces 16, the bottom of each contact slot 15 is a plane, the lower end of each contact slot 15 is an opening, and the first contact pieces 12 and the second contact pieces 16 are respectively and independently arranged in each contact slot 15. In order to avoid the contact junction of the contact 5 other than the arc contact 52, the contact 12 of the class a and the contact 16 of the class b are embedded into the bottom of the contact groove 15, so that the surfaces of the contact 12 of the class a, the contact 16 of the class b and the contact groove 15 are on the same plane.
The diameter of the functional cylinder 18 is larger than that of the two ends of the pressing rod 1, and a hard contact table 13 is further processed on the lower end surface of the functional cylinder 18.
The elastic component comprises an inner spring and an outer spring, the outer spring is sleeved at the lower end of the pressing rod 1, the inner spring is installed in a cylindrical groove machined at the lower end of the pressing rod 1, and the inner spring and the outer spring are in contact with the inner part of the inner shell 3. As shown in fig. 1, the double spring 7 is fitted between the lever member 1 and the inner housing 3. The spring piece part 5 is fixed on the outer wall of the inner shell 3 through screws and gluing, and the inner shell 3 and the base 4 are matched with 4 grooves corresponding to the inner shell 3 through 4 symmetrical bosses on the base 4 to limit and prevent rotation. After the spring piece 52 welds the wire 9, the wire 9 is assembled corresponding to the jack on the socket 10. The outer shell 2 is screwed with the base 4 from top to bottom and then welded by laser.
As shown in fig. 2, the lever member 1 is molded by the guide bar 14, the a-type contact piece 12, the b-type contact piece 16 and the insulating material contact piece groove 15, and then is molded for the second time so that only the contact surface is exposed after the a-type contact piece 12 and the b-type contact piece 16 are covered by the contact piece groove 15. The outer surface of the contact piece groove 15 is provided with 4 symmetrically and uniformly distributed steel ball track grooves 11. The hard contact surface 13 of the pressing rod part is in hard contact with the hard contact surface 31 of the inner shell, so that the hard limit of the product is realized.
The inner shell 3 is internally provided with a three-stage stepped hole, the bottom of the third-stage stepped hole is provided with an inner spring seat 33, the bottom of the second-stage stepped hole is provided with a bushing 8, the lower end of the inner spring is sleeved on the inner spring seat 33, the lower end of the outer spring is contacted with the upper end face of the bushing 8, the corresponding positions of the side wall of the first-stage stepped hole and the side wall of the functional cylinder 18 are uniformly provided with steel ball inner guide grooves 11 parallel to the axial direction of the steel ball inner guide grooves, steel columns 6 are placed in the steel ball inner guide grooves 11, and two ends of each steel column 6 are contacted with two ends of each steel ball inner guide groove 11 through a spring.
As shown in fig. 3, the inner wall of the inner shell 3 is provided with 4 symmetrically and uniformly distributed steel ball track grooves 32, the base is provided with 4 symmetrically and uniformly distributed grooves, and the grooves are matched with 4 symmetrically and uniformly distributed bosses of the base 4 to prevent rotation and limit.
The height of the first stage step side walls is greater than the sum of the height of the functional cartridge 18 and the middle contact.
The reed 5 is fixed on the reed seat 51 in pairs, two ends of the reed 5 are respectively provided with an arc contact 52 and a wiring hole 53, and extend out of the upper end and the lower end of the reed seat 51, the reed seat 51 is fixed in the reed mounting groove 34, the reed mounting groove 34 is uniformly processed on the outer wall of the inner shell 3, and the upper end of the reed mounting groove 34 is connected with the hard contact surface 31. As shown in fig. 4, the reed 5 is fixed on a reed seat 51 made of insulating material, the reed seat 51 and 2 reeds 5 are molded and formed, two reeds form a bifurcated structure, namely a double contact, the middle part of the reed 5 is processed into a step structure, and the fixing of the reeds by injection molding is facilitated.
The upper end of the outer shell 2 is provided with a reverse stepped hole, the stepped hole is sleeved on the pressing rod 1 and is pressed at the upper end of the functional cylinder 18, the lower end of the outer shell 2 is provided with an opening, and the pressing rod 1 is pressed in the inner shell 3 through the connection of threads and the outer wall of the base 4.
The base 4 is internally provided with a through hole, the top mechanism of the base 4 is provided with a plurality of bulges 41, the bulges 41 are assembled in a rotation limiting groove 36 formed in the bottom of the outer wall of the inner shell 3, and the lower end of the base 4 is fixed with the socket 10 through a locking bolt 103.
The upper end of the socket 10 stretches into the base 4, the lower end of the socket 10 is processed into a slot, the middle part of the socket 10 is used for fixing the inserting sheet 101, the upper end of the inserting sheet 101 stretches out of the upper end of the socket 10 and is connected with the lead 9, the upper end of the lead 9 stretches into the inner shell 3 and is welded in the arc-shaped contact 52, and the lower end of the inserting sheet 101 stretches into the slot.
As shown in fig. 5, two groups of circuits are taken as an embodiment, the adjacent first contact 12 and second contact 16 on the pressing rod and the adjacent 2 reed 5 components arranged on the inner shell form 1 group of circuits, namely 1-2-3 groups and 4-5-6 groups, when the pressing rod is not pressed, the contacts on the reed 5 are respectively contacted with the lower ends of the first contact 12 and the second contact 16, the circuits 1-2 and 4-5 of the pins are normally closed, the circuits 1-3 and 4-6 of the pins are normally open, the circuits 1-2 and 4-5 of the pins are disconnected after one stroke is pressed, and the circuits 1-3 and 4-6 of the pins are connected after one stroke is continuously pressed. When the pressing force of the pressing rod part disappears, the pressing rod part is reset under the action of the double springs.
As shown in FIG. 6, the circuits 1-2 and 4-5 in the initial state of the switch are normally closed, and the circuits 1-3 and 4-6 are normally open; after pressing for a certain stroke, the circuits 1-2 and 4-5 are disconnected; after continuing to press for a certain stroke, the circuits 1-3 and 4-6 are connected.
Claims (10)
1. An impact-resistant two-pole travel switch comprises a shell (2), wherein at least one first contact piece (12) and one second contact piece (16) are arranged in the shell (2); the method is characterized in that:
the first type contact piece (12) and the second type contact piece (16) are formed by fixing a middle contact piece or a short contact piece on the upper end side surface or the lower end side surface of a long contact piece;
a reed (5) is correspondingly arranged below each middle contact piece and each short contact piece, and the lower ends of the reeds (5) are respectively connected with an inserting sheet (101);
the lower end of each long contact piece is contacted with the upper end of the arc contact (52), and the lower ends of the reeds (5) on the adjacent long contact pieces are connected with an inserting sheet (101) together;
the contact pieces of the class A (12) and the contact pieces of the class B (16) are intersected and uniformly fixedly connected to the outer wall of the pressing rod (1), and the pressing rod (1) is supported in the inner shell (3) through an elastic component;
the reed (5) is uniformly arranged on the outer wall of the inner shell (3), and the inner shell (3) is arranged in the pressing rod (1);
the inserting piece (101) is fixed in the socket (10), and the socket (10) is arranged at the lower end of the pressing rod (1).
2. The impact resistant two-pole travel switch of claim 1 wherein: the middle part processing of pressing pole (1) has a functional section of thick bamboo (18), evenly processes on the outer wall of functional section of thick bamboo (18) has a contact groove (15) that is the sum of class A contact piece (12) and class B contact piece (16), and the bottom of contact groove (15) is the plane and the lower extreme is the opening, and class A contact piece (12) and class B contact piece (16) are installed in every contact groove (15) independently respectively.
3. The impact resistant two-pole travel switch of claim 2 wherein: the diameter of the functional cylinder (18) is larger than the diameter of the two ends of the pressing rod (1), and a hard contact table (13) is further processed on the lower end surface of the functional cylinder (18).
4. The impact resistant two-pole travel switch of claim 1 wherein: the elastic component comprises an inner spring and an outer spring, the outer spring is sleeved at the lower end of the pressing rod (1), the inner spring is installed in a cylindrical groove machined at the lower end of the pressing rod (1), and the inner spring and the outer spring are in contact with the inner part of the inner shell (3).
5. The impact resistant two-pole travel switch of claim 4 wherein: the novel steel ball inner guide groove is characterized in that three-stage step holes are machined in the inner shell (3), an inner spring seat (33) is installed at the bottom of the third-stage step hole, a lining (8) is installed at the bottom of the second-stage step hole, the lower end of the inner spring is sleeved on the inner spring seat (33), the lower end of the outer spring is in contact with the upper end face of the lining (8), steel ball inner guide grooves (11) parallel to the axial direction of the steel ball are uniformly formed in the corresponding positions of the side wall of the first-stage step hole and the side wall of the functional cylinder (18), steel columns (6) are placed in the steel ball inner guide grooves (11), and two ends of each steel column (6) are respectively in contact with two ends of the steel ball inner guide grooves (11) through a spring.
6. The impact resistant two-pole travel switch of claim 5 wherein: the height of the side wall of the first stage step is larger than the sum of the height of the functional cylinder (18) and the middle contact piece.
7. The impact resistant two-pole travel switch of claim 1 wherein: the reed (5) is fixed on the reed seat (51) in a group by two, two ends of the reed (5) are respectively provided with an arc contact (52) and a wiring hole (53) and respectively extend out of the upper end and the lower end of the reed seat (51), the reed seat (51) is fixed in the reed mounting groove (34), the reed mounting groove (34) is uniformly processed on the outer wall of the inner shell (3), and the upper end of the reed mounting groove (34) is connected with the hard contact surface (31).
8. The impact resistant two-pole travel switch of claim 1 wherein: the upper end of the outer shell (2) is provided with a reverse stepped hole, the stepped hole is sleeved on the pressing rod (1) and is pressed at the upper end of the functional cylinder (18), the lower end of the outer shell (2) is provided with an opening, and the pressing rod (1) is pressed in the inner shell (3) through the connection of threads and the outer wall of the base (4).
9. The impact resistant two-pole travel switch of claim 8 wherein: the socket is characterized in that a through hole is formed in the base (4), a plurality of protrusions (41) are arranged on the top mechanism of the base (4), the protrusions (41) are assembled in rotation limiting grooves (36) formed in the bottom of the outer wall of the inner shell (3), and the lower end of the base (4) is fixed with the socket (10) through locking bolts (103).
10. The impact resistant two-pole travel switch of claim 9 wherein: the upper end of socket (10) stretches into in base (4), and the lower extreme processing of socket (10) is the slot, and the middle part of socket (10) is fixed inserted sheet (101), and the upper end of inserted sheet (101) stretches out the upper end of socket (10) and is connected with wire (9), and in the upper end of wire (9) stretched into inner shell (3) and welded in arc contact (52), the lower extreme of inserted sheet (101) stretches into in the slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211357493.5A CN116130262A (en) | 2022-11-01 | 2022-11-01 | Impact-resistant two-pole travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211357493.5A CN116130262A (en) | 2022-11-01 | 2022-11-01 | Impact-resistant two-pole travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116130262A true CN116130262A (en) | 2023-05-16 |
Family
ID=86299719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211357493.5A Pending CN116130262A (en) | 2022-11-01 | 2022-11-01 | Impact-resistant two-pole travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116130262A (en) |
-
2022
- 2022-11-01 CN CN202211357493.5A patent/CN116130262A/en active Pending
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