CN213184023U

CN213184023U - Pedal contact switch

Info

Publication number: CN213184023U
Application number: CN202022546380.2U
Authority: CN
Inventors: 朱国强
Original assignee: Lishui Shuangzheng Motor Co ltd
Current assignee: Lishui Shuangzheng Motor Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-05-11
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a foot-operated contact switch belongs to the contact switch field, which comprises an outer shell, it has the inner shell to bond on the inner wall of shell, the built-in contact switch main part of installing of inner shell, one side skin weld of shell has the backup pad, surface connection between first footboard and the backup pad has pressure spring, the bottom of first footboard bonds and has the mount pad, the surface of mount pad articulates there is the connecting rod, the other end and the push rod of connecting rod are articulated, the push rod is pegged graft with shell, inner shell slip respectively, just the tip of push rod bonds and has first touch piece. The utility model discloses a optimize pedal type transmission structure, can effectively avoid leading to the unable normal use of contact switch because of external damage, improve the practicality of device.

Description

Pedal contact switch

Technical Field

The utility model relates to a contact switch field specifically is a foot-operated contact switch.

Background

The touch switch is an electronic switch, and belongs to the common switch types in the field of electronic components. It is usually used in conjunction with a plc controller as a switch port in the circuit. The pedal switch is a switch for controlling the on-off of a circuit by pedaling or treading, is used in a control circuit which can not be touched by two hands to replace the two hands to achieve the purpose of operation, and is matched with a touch switch by a transmission mechanism to achieve the effect of switching through pedaling action.

Common foot-operated touch switch general structure is comparatively simple, often only has the contact action of unilateral, and this kind of structure can directly influence touch switch's normal use if when this kind of structure leads to drive mechanism impaired because external colliding with or other factors, is difficult to launch before carrying out the maintenance, causes certain inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foot-operated contact switch through optimizing pedal type transmission structure, can effectively avoid leading to the unable normal use of contact switch because of external damage, improves the practicality of device.

The utility model provides a following technical scheme: a foot-operated contact switch comprises an outer shell and a first pedal, wherein an inner shell is bonded on the inner wall of the outer shell, a contact switch main body is arranged in the inner shell, a supporting plate is welded on the surface of one side of the outer shell, a second mounting block is integrally formed on the surface of one side of the shell, two first mounting blocks are integrally formed on the surface of one side of the first pedal, a transmission shaft is movably arranged on the second mounting block through a bearing, two ends of the transmission shaft are respectively movably connected with the two first mounting blocks through bearings, the surface between the first pedal and the supporting plate is connected with a pressure spring, the bottom of the first pedal is bonded with a mounting seat, the surface of the mounting seat is hinged with a connecting rod, the other end of the connecting rod is hinged with a push rod, the push rod is respectively in sliding insertion connection with the outer shell and the inner shell, and a first touch block is bonded at the end part of the push rod;

the top of shell has the top cap through the screw mounting, the surperficial spiro union of top cap has the locking bolt, the one end and the second footboard activity of locking bolt are pegged graft, just the one end spiro union of locking bolt has lock nut, lock nut and the surface contact of second footboard, the bottom both sides of second footboard are bonded respectively has the guide arm, two the one end of guide arm passes the surface of top cap and bonds fixedly with the clamp plate through linear bearing respectively, the surface bonding of clamp plate has the second to touch the piece, two the spring housing has been cup jointed on the surface of guide arm between second footboard and top cap.

Preferably, first touch piece is the integral structure that rubber materials made with the second touch piece, just the surface of first touch piece and second touch piece all evenly is equipped with anti-skidding line in proper order.

Preferably, the surface of the first pedal is sequentially and uniformly provided with protruding edges, and the protruding edges are of a first pedal integrated forming structure.

Preferably, two auxiliary supports are welded between the support plate and one side surface of the shell.

Preferably, the inner wall of the shell is provided with a wiring hole, and a wiring groove is arranged on the surface of the shell on one side of the wiring hole.

Preferably, torsion springs are sleeved on the surfaces of the transmission shaft between the two first mounting blocks and the second mounting block, and the two torsion springs are respectively connected with the surfaces of the two first mounting blocks and the surface of the second mounting block in an embedded manner.

The utility model discloses a technological effect and advantage:

the utility model discloses a optimize pedal type transmission structure, cooperate the touching piece respectively through two footboards and form foot-operated touching action, can select the footboard to operate at will according to the condition, can effectively avoid the part to damage and directly lead to contact switch to be unable to use completely, improve the practicality of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure between the housing and the first pedal of the present invention;

fig. 3 is a schematic structural diagram of a part marked a in fig. 2.

Description of reference numerals: 1. a housing; 2. an inner shell; 3. a contact switch main body; 4. a support plate; 5. an auxiliary support; 6. a first pedal; 7. a raised edge; 8. a first mounting block; 9. a second mounting block; 10. a drive shaft; 11. a torsion spring; 12. a mounting seat; 13. a connecting rod; 14. a push rod; 15. a first touch block; 16. a pressure spring; 17. a top cover; 18. locking the bolt; 181. locking the nut; 19. a second pedal; 20. a guide bar; 21. a spring housing; 22. pressing a plate; 23. a second touch block; 24. a wiring hole; 25. a wiring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a foot-operated contact switch as shown in fig. 1-3, including shell 1 and first footboard 6, it has inner shell 2 to bond on the inner wall of shell 1, and inner shell 2 embeds installs contact switch main part 3, has seted up on the inner wall of shell 1 wire hole 24, and shell 1 has wire casing 25 at the surface mounting in wire hole 24 one side, can be convenient for carry out the connection of circuit with contact switch main part 3, avoids making the skew of circuit emergence position because of vibrations at the in-process that uses the footboard, avoids appearing the hidden danger.

One side skin weld of shell 1 has backup pad 4, and the welding has two auxiliary stand 5 between one side surface of backup pad 4 and shell 1, can play firm overall structure's effect, improves the resistance to compression shock effect of backup pad 4 parts, avoids breaking easily.

The integrated shaping of a side surface of shell 1 has second installation piece 9, the integrated shaping of a side surface of first footboard 6 has two first installation pieces 8, there is transmission shaft 10 through bearing movable mounting on the second installation piece 9, the both ends of transmission shaft 10 are respectively through bearing and two 8 swing joints of first installation piece, transmission shaft 10 has all cup jointed torsion spring 11 on the surface between two first installation pieces 8 and second installation piece 9, two torsion spring 11 respectively with two first installation pieces 8, the embedded connection in surface of second installation piece 9, can play assistance-localization real-time's effect, when first footboard 6 atress squints, provide reaction force through torsion spring 11, can reply deformation and then drive first footboard 6 and reset after stopping trampling, cooperation pressure spring 16 plays effectual supplementary effect that resets.

Protruding limit 7 evenly is equipped with in proper order on the surface of first footboard 6, and protruding limit 7 is first footboard 6 integrated into one piece structure, can play good supplementary support effect as the auxiliary pivot for the surface friction of first footboard 6 obtains improving, and the staff of being convenient for tramples.

The surface between first footboard 6 and backup pad 4 is connected with pressure spring 16, and the bottom of first footboard 6 bonds there is mount pad 12, and the surface of mount pad 12 articulates there is connecting rod 13, and the other end of connecting rod 13 is articulated with push rod 14, and push rod 14 slides with shell 1, inner shell 2 respectively and pegs graft, and the tip of push rod 14 bonds and has first touch piece 15.

There is top cap 17 at the top of shell 1 through the screw installation, the surperficial spiro union of top cap 17 has locking bolt 18, the one end and the activity of second footboard 19 of locking bolt 18 are pegged graft, and locking bolt 18's one end spiro union has lock nut 181, lock nut 181 and the surface contact of second footboard 19, the bottom both sides of second footboard 19 are bonded respectively and are had guide arm 20, the one end of two guide arms 20 passes the surface of top cap 17 and bonds fixedly with clamp plate 22 through linear bearing respectively, clamp plate 22's surface bonds and has second touch piece 23, the surface of two guide arms 20 between second footboard 19 and top cap 17 has cup jointed spring housing 21.

First touch piece 15 and second touch piece 23 are the integral structure that rubber materials made, and first touch piece 15 all evenly is equipped with anti-skidding line in proper order with the surface of second touch piece 23, can effectively increase the surface friction of first touch piece 15 and second touch piece 23 for improve the contact effect to the metal response end on the touch switch main part 3, avoid taking place excessive wearing and tearing simultaneously.

The working principle is that when in use, the wiring groove 25 is matched with the wiring hole 24 to manage the wiring, and the contact switch main body 3 is connected with a target circuit. Then, a worker steps on the first pedal 6, so that the first pedal 6 shifts downwards, the pressure spring 16 and the two torsion springs 11 deform respectively and provide a certain buffering effect, the connecting rod 13 on the mounting base 12 at the bottom of the first pedal 6 is forced to push forwards, the push rod 14 is pushed to extend into the shell 1, and finally the first touch block 15 at the end of the push rod 14 touches the metal sensing end of the contact switch main body 3, and the switch starting is completed. Then, the first pedal 6 is released, so that the first pedal 6 is returned to the initial position by the reaction force of the torsion spring 11 and the pressure spring 16.

The second pedal 19 can be used for operation according to specific conditions, and the edge part of the second pedal 19 is stepped down, so that the second pedal 19 is pushed downwards along the locking bolt 18, the two guide rods 20 and the pressing plate 22 displace downwards in the period, the two spring sleeves 21 also deform, and finally the second touch block 23 contacts with the metal induction end on the contact switch main body 3 to complete the switch action.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A foot-operated touch switch, includes shell (1) and first footboard (6), its characterized in that: the inner wall of the outer shell (1) is bonded with an inner shell (2), a contact switch main body (3) is installed in the inner shell (2), a supporting plate (4) is welded on the surface of one side of the outer shell (1), a second mounting block (9) is integrally formed on the surface of one side of the outer shell (1), two first mounting blocks (8) are integrally formed on the surface of one side of the first pedal (6), a transmission shaft (10) is movably mounted on the second mounting block (9) through a bearing, two ends of the transmission shaft (10) are movably connected with the two first mounting blocks (8) through bearings respectively, a pressure spring (16) is connected to the surface between the first pedal (6) and the supporting plate (4), a mounting seat (12) is bonded to the bottom of the first pedal (6), and a connecting rod (13) is hinged to the surface of the mounting seat (12), the other end of the connecting rod (13) is hinged with a push rod (14), the push rod (14) is respectively in sliding insertion connection with the outer shell (1) and the inner shell (2), and a first touch block (15) is bonded at the end part of the push rod (14);

top cap (17) are installed through the screw in the top of shell (1), the surperficial spiro union of top cap (17) has locking bolt (18), the one end and the activity of second footboard (19) of locking bolt (18) are pegged graft, just the one end spiro union of locking bolt (18) has lock nut (181), the surface contact of lock nut (181) and second footboard (19), the bottom both sides of second footboard (19) bond respectively has guide arm (20), two the one end of guide arm (20) passes the surface of top cap (17) through linear bearing respectively and bonds fixedly with clamp plate (22), the surface bonding of clamp plate (22) has second touch piece (23), two spring housing (21) have been cup jointed on the surface of guide arm (20) between second footboard (19) and top cap (17).

2. The foot-operated touch switch of claim 1, wherein: first touch piece (15) and second touch piece (23) are the integrated structure that rubber materials made, just the surface of first touch piece (15) and second touch piece (23) all evenly is equipped with anti-skidding line in proper order.

3. The foot-operated touch switch of claim 1, wherein: the surface of first footboard (6) evenly is equipped with protruding limit (7) in proper order, protruding limit (7) are first footboard (6) integrated into one piece structure.

4. The foot-operated touch switch of claim 1, wherein: two auxiliary supports (5) are welded between the supporting plate (4) and the surface of one side of the shell (1).

5. The foot-operated touch switch of claim 1, wherein: the wire distribution structure is characterized in that a wire distribution hole (24) is formed in the inner wall of the shell (1), and a wire distribution groove (25) is formed in the surface of the shell (1) on one side of the wire distribution hole (24).

6. The foot-operated touch switch of claim 1, wherein: torsion springs (11) are sleeved on the surfaces of the transmission shaft (10) between the two first mounting blocks (8) and the second mounting blocks (9), and the two torsion springs (11) are respectively connected with the surfaces of the two first mounting blocks (8) and the second mounting blocks (9) in an embedded mode.