Switch structure with sewage lifter switch support and switch assembly

Abstract

The utility model discloses a switch structure with a sewage lifter switch support and a switch assembly, the switch structure with the sewage lifter switch support comprises a support body and a microswitch, the support body comprises a mounting plate, a mounting sleeve and two opposite mounting ends, the mounting plate and the mounting sleeve are integrally formed, and the microswitch is arranged in the mounting plate. The mounting sleeve penetrates to the mounting plate to form a mounting groove, the mounting groove is matched with the microswitch in an inserted mode and matched with the microswitch, an avoiding groove is formed in one side of the mounting groove, the microswitch is detachably connected with the mounting groove through at least one first fastener, so that the movable contact extends out of the mounting groove, and a connecting hole is formed in the mounting end in a penetrating mode; the connecting hole is detachably connected with a second fastener; the switch assembly comprises a switch shell and the switch structure with the sewage lifter switch support. The switch structure with the sewage lifter switch support and the switch assembly are designed for overcoming the defects in the prior art, disassembly operation is convenient, flexibility is good, and maintenance and replacement work can be conveniently carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage lifter components, in particular to a switch structure and a switch assembly with a sewage lifter switch bracket. Background Art

[0002] The sewage lift is a device that integrates crushing and drainage functions. It is used in various rooms, basements, ships, vehicles and other places far away from drainage risers and with poor drainage conditions. It can collect and process domestic water in the bathroom. In the prior art, in order to achieve liquid level control, the sewage lift is usually equipped with a liquid level switch in the box. The liquid level switch includes a switch housing, a movable top rod and a trigger switch. For example, the utility model patent with announcement number CN203834645U discloses a sewage lift, including an outer box, and a liquid level detection mechanism is also provided in the outer box. The liquid level detection mechanism includes a vertical tubular shell, a rubber membrane is provided at the lower end of the tubular shell, a pressure sensor and a controller are provided in the tubular shell, and a pressure rod is also provided in the tubular shell. The lower end of the pressure rod is provided with a pressure sheet connected to the rubber membrane, and the upper end of the pressure rod is in contact with the pressure sensor.

[0003] However, the trigger switch of the sewage lift is generally installed directly on the tubular housing in a fixed connection manner, which is inconvenient to disassemble and operate, has poor flexibility, and is not convenient for maintenance and replacement. Utility Model Content

[0004] The purpose of the utility model is to solve the deficiencies of the above-mentioned technology and to provide a switch structure and a switch assembly with a sewage lift switch bracket, which is convenient to disassemble and has good flexibility and is easy to carry out maintenance and replacement.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a switch structure with a sewage lift switch bracket, including a bracket body and a micro switch, the bracket body including an integrally formed mounting plate, a mounting sleeve, and two relatively arranged mounting ends, the mounting sleeve penetrates the mounting plate to form a mounting groove, the mounting groove is plug-matched and adapted to the micro switch, the micro switch is provided with a matching contact unit and a moving contact, a avoidance groove for accommodating the contact unit is provided on one side of the mounting groove, the contact unit includes a normally closed contact and a normally open contact, the micro switch and the mounting groove are detachably connected by at least one first fastener, so that the moving contact extends out of the mounting groove, the bottom surface of the mounting end is provided with a supporting structure extending downward, the height position of the bottom surface of the mounting plate is higher than the height position of the bottom surface of the supporting structure, the mounting end is provided with a connecting hole, and the connecting hole is detachably connected to a second fastener.

[0006] Preferably, a first mounting hole is penetrated through the first side of the mounting sleeve, a second mounting hole is penetrated through the micro switch at a position relative to the first mounting hole, a connecting sleeve is convexly formed on the second side of the mounting sleeve and is coaxially arranged with the first mounting hole, the connecting sleeve penetrates to the inner wall of the mounting groove, and the first fastener passes through the connected first mounting hole and the second mounting hole and is threadedly connected to the connecting sleeve.

[0007] Preferably, the normally closed contact is arranged on the top surface of the micro switch, the normally closed contact passes through the mounting groove and extends out of the outside of the mounting sleeve, and the normally open contact is arranged on the side wall of the micro switch corresponding to the avoidance groove, the normally open contact passes through the avoidance groove and extends to the outside of the mounting sleeve; or, the normally open contact is arranged on the top surface of the micro switch, the normally open contact passes through the mounting groove and extends out of the outside of the mounting sleeve, and the normally closed contact is arranged on the side wall of the micro switch corresponding to the avoidance groove, the normally closed contact passes through the avoidance groove and extends to the outside of the mounting sleeve.

[0008] A switch assembly comprises a switch housing and a switch structure with a sewage lift switch bracket as described above, wherein the switch housing comprises a switch compartment, a straight tube and a conical cylinder which are connected to each other, the lower end opening of the straight tube being connected to the upper end opening of the conical cylinder, the lower end opening of the conical cylinder encapsulating an airbag component, a push rod being movably connected inside the straight tube, a contact plate matched with the airbag component being provided at the lower end of the push rod, a top plate component being provided at the upper end of the push rod, the upper end opening of the straight tube passing through to the bottom inner wall of the switch compartment, the top plate component being in contact with the moving contact, the opening of the switch compartment facing upward, and the bottom inner wall of the switch compartment being convexly formed with two limiting structures, the inner side walls of the limiting structures being matched with the outer walls of the corresponding mounting ends.

[0009] Preferably, the upper end of the straight tube extends out of the bottom inner wall of the switch compartment, and a clearance fit or a contact fit is formed between the upper end of the straight tube and the two supporting structures.

[0010] Preferably, a mounting structure is convexly formed on the outer wall of the bottom of the switch compartment, and the portion of the second fastener passing through the connecting hole is threadedly connected to the mounting structure.

[0011] Preferably, the outer wall of the mandrel is provided with support bars distributed in a circular array, the support bars extend along the length direction of the mandrel, the support bars are provided with positioning plates, and the ends of the positioning plates away from the support bars are in conflict with the inner wall of the straight tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a switch structure and a switch assembly with a sewage lift switch bracket, wherein the microswitch is inserted into the installation groove, and the contact unit of the microswitch is accommodated in the avoidance groove, so that the bracket body and the microswitch are aligned and assembled through the installation groove and the avoidance groove, and the microswitch is positioned and installed on the inner wall of the installation sleeve through the first fastener, so that the moving contact extends out of the installation groove, and the installation of the bracket body and the microswitch is completed. The two mounting ends on the bracket body are aligned and assembled on the bottom inner wall of the switch compartment through the second fastener, and the disassembly between the bracket body and the switch compartment is relatively convenient, and after the bracket body with the microswitch installed is disassembled from the switch compartment, the bracket body and the microswitch can be disassembled according to the situation, and the disassembly operation is relatively convenient and flexible, which is convenient for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a structural schematic diagram of a switch structure having a sewage lift switch bracket in the first embodiment;

[0015] Figure 2 is a cross-sectional view of the switch structure with the sewage lift switch bracket in the first embodiment;

[0016] Figure 3 is an exploded view of the switch structure with a sewage lift switch bracket in the first embodiment;

[0017] Figure 4 The structure of the switch housing in the second embodiment is shown in FIG. Figure 1 ;

[0018] Figure 5 The structure of the switch housing in the second embodiment is shown in FIG. Figure 2 ;

[0019] Figure 6 It is a cross-sectional view of the switch housing in the second embodiment.

[0020] In the figure: 1. bracket body; 11. mounting plate; 12. mounting sleeve; 13. mounting end; 2. micro switch; 3. mounting slot; 4. contact unit; 41. normally closed contact; 42. normally open contact; 5. moving contact; 6. avoidance slot; 7. first fastener; 8. supporting structure; 9. connecting hole; 10. second fastener; 14. first mounting hole; 15. second mounting hole; 16. connecting sleeve; 17. switch housing; 171. switch compartment; 172. straight pipe; 173. conical cylinder; 18. airbag component; 19. clamping hoop structure; 20. ejector rod; 21. abutment plate; 22. top plate component; 23. support bar; 24. positioning plate; 25. limiting structure; 26. mounting structure. DETAILED DESCRIPTION

[0021] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0022] Embodiment 1:

[0023] refer to Figure 1 , Figure 2 , Figure 3 A switch structure with a sewage lift switch bracket includes a bracket body 1 and a micro switch 2. The bracket body 1 includes an integrally formed mounting plate 11, a mounting sleeve 12, and two oppositely arranged mounting ends 13. The mounting sleeve 12 passes through the mounting plate 11 to form a mounting groove 3. The mounting groove 3 is plug-fitted and adapted to the micro switch 2. The micro switch 2 is provided with a matching contact unit 4 and a moving contact 5. An avoidance groove 6 is provided on one side of the mounting groove 3. The contact unit 4 includes a normally closed contact 41 and a normally open contact 42. The normally closed contact 41 is arranged on the top surface of the micro switch 2, the normally closed contact 41 passes through the mounting groove 3 and extends out of the outside of the mounting sleeve 12, and the normally open contact 42 is arranged on the side wall of the micro switch 2 corresponding to the avoidance groove 6, the normally open contact 42 passes through the avoidance groove 6 and extends to the outside of the mounting sleeve 12; or, the normally open contact 42 is arranged on the top surface of the micro switch 2, the normally open contact 42 passes through the mounting groove 3 and extends out of the outside of the mounting sleeve 12, and the normally closed contact 41 is arranged on the side wall of the micro switch 2 corresponding to the avoidance groove 6, the normally closed contact 41 passes through the avoidance groove 6 and extends to the outside of the mounting sleeve 12.

[0024] The micro switch 2 contains an elastic member inside. When a certain force is applied to the moving contact 5 from the outside, the force acts on the elastic member through the lever principle, so that the normally closed contact 41 or the normally open contact 42 is connected to the moving contact 5, thereby changing the state of the circuit. This is a prior art and will not be described in detail here.

[0025] The micro switch 2 is detachably connected to the mounting groove 3 through two first fasteners 7. A first mounting hole 14 is penetrated on a first side of the mounting sleeve 12. A second mounting hole 15 is penetrated at a position of the micro switch 2 relative to the first mounting hole 14. A connecting sleeve 16 coaxially arranged with the first mounting hole 14 is convexly formed on the second side of the mounting sleeve 12. The connecting sleeve 16 penetrates the inner wall of the mounting groove 3. The first fastener 7 passes through the connected first mounting hole 14 and the second mounting hole 15 and is threadedly connected to the connecting sleeve 16. The first fastener 7 is a bolt structure. The micro switch 2 is inserted into the mounting groove 3. The contact unit 4 of the micro switch 2 is accommodated in the avoidance groove 6, so that the bracket body 1 and the micro switch 2 are aligned and assembled through the mounting groove 3 and the avoidance groove 6. The micro switch 2 is positioned and installed on the inner wall of the mounting sleeve 12 by the first fastener 7, so that the moving contact 5 extends out of the mounting groove 3, and the installation of the bracket body 1 and the micro switch 2 is completed.

[0026] A supporting structure 8 is provided on the bottom surface of the mounting end 13 extending downward, the bottom surface of the mounting plate 11 is at a height position higher than the bottom surface of the supporting structure 8, a connecting hole 9 is provided through the mounting end 13, a second fastener 10 is detachably connected to the connecting hole 9, and the second fastener 10 is a bolt structure, through which the bracket body 1 can be installed to the corresponding mounting position.

[0027] Embodiment 2:

[0028] refer to Figure 4 , Figure 5 , Figure 6 A switch assembly includes a switch housing 17 and a switch structure with a sewage lift switch bracket as described above. The switch housing 17 includes a switch compartment 171, a straight tube 172 and a tapered tube 173 that are connected. The opening of the switch compartment 171 faces upward, and the upper end opening of the straight tube 172 penetrates the bottom inner wall of the switch compartment 171, and the upper end of the straight tube 172 extends out of the bottom inner wall of the switch compartment 171. The lower end opening of the straight tube 172 is connected to the upper end opening of the tapered tube 173, and the lower end opening of the tapered tube 173 is encapsulated with an airbag 18, and the outer wall of the tapered tube 173 is equipped with a clamp structure 19 for crimping the airbag 18.

[0029] A push rod 20 is movably connected in the straight tube 172, and the outer wall of the push rod 20 is provided with support bars 23 distributed in a circular array, and the support bars 23 extend along the length direction of the push rod 20. The support bars 23 are provided with positioning plates 24, and the ends of the positioning plates 24 away from the support bars 23 abut against the inner wall of the straight tube 172 to guide the lifting and lowering movement of the push rod 20 in the straight tube 172. The lower end of the push rod 20 is provided with an abutment plate 21 adapted to the airbag component 18, and the upper end of the push rod 20 is provided with a top plate component 22.

[0030] The bottom inner wall of the switch compartment 171 is convexly formed with two limiting structures 25. When the bracket body 1 is installed in the switch compartment 171, the bottom surfaces of the two supporting structures 8 are in conflict with the bottom inner wall of the switch compartment 171, and the inner side walls of the limiting structures 25 are adapted to the outer walls of the corresponding mounting ends 13. The two mounting ends 13 are guided to be assembled on the bottom inner wall of the switch compartment 171 through the two limiting structures 25. A clearance fit or a conflict fit is formed between the upper end of the straight tube 172 and the two supporting structures 8 to ensure that the mounting plate 11 covers the upper end opening of the straight tube 172, and the top plate 22 is relatively located with the moving contact 5. The bottom outer wall of the switch compartment 171 is convexly formed with a mounting structure 26 at a position corresponding to the limiting structure 25, and the second fastener 10 passes through the connecting hole 9 and is threadedly connected to the mounting structure 26. The mounting end 13 is fixed to the bottom inner wall of the switch compartment 171 by the second fastener 10. The disassembly between the bracket body 1 and the switch compartment 171 is relatively convenient, and after the bracket body 1 with the micro switch 2 installed is disassembled from the switch compartment 171, the bracket body 1 and the micro switch 2 can also be disassembled according to the situation. The disassembly operation is relatively convenient and flexible, which is convenient for maintenance and replacement.

[0031] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A switch structure with a sewage lift switch bracket, characterized by: The invention comprises a bracket body (1) and a micro switch (2), wherein the bracket body (1) comprises an integrally formed mounting plate (11), a mounting sleeve (12), and two mounting ends (13) arranged opposite to each other, wherein the mounting sleeve (12) penetrates the mounting plate (11) to form a mounting groove (3), wherein the mounting groove (3) is plug-matched and adapted to the micro switch (2), wherein the micro switch (2) is provided with a matching contact unit (4) and a moving contact (5), wherein one side of the mounting groove (3) is provided with an avoidance groove (6) for accommodating the contact unit (4), wherein the contact unit (4) is provided with a movable contact (5) and a movable contact (6) for accommodating the contact unit (4). ) comprises a normally closed contact (41) and a normally open contact (42), the micro switch (2) and the mounting slot (3) are detachably connected via at least one first fastener (7), so that the moving contact (5) extends out of the mounting slot (3), a supporting structure (8) is provided on the bottom surface of the mounting end (13) extending downward, the bottom surface of the mounting plate (11) is at a height position higher than the bottom surface of the supporting structure (8), a connecting hole (9) is provided through the mounting end (13), and a second fastener (10) is detachably connected to the connecting hole (9).

2. A switch structure with a sewage lift switch bracket according to claim 1, characterized in that: A first mounting hole (14) is formed through the first side of the mounting sleeve (12); a second mounting hole (15) is formed through the micro switch (2) at a position relative to the first mounting hole (14); a connecting sleeve (16) is formed protrudingly on the second side of the mounting sleeve (12) and is coaxially arranged with the first mounting hole (14); the connecting sleeve (16) is extended to the inner wall of the mounting groove (3); and the first fastener (7) passes through the portion of the first mounting hole (14) and the second mounting hole (15) that are connected and is threadedly connected to the connecting sleeve (16).

3. The switch structure with a sewage lift switch bracket according to claim 1 is characterized in that: The normally closed contact (41) is arranged on the top surface of the micro switch (2), the normally closed contact (41) passes through the mounting groove (3) and extends out of the outside of the mounting sleeve (12), and the normally open contact (42) is arranged on the side wall of the micro switch (2) corresponding to the avoidance groove (6), and the normally open contact (42) passes through the avoidance groove (6) and extends to the outside of the mounting sleeve (12); or, the normally open contact (42) is arranged on the top surface of the micro switch (2), the normally open contact (42) passes through the mounting groove (3) and extends out of the outside of the mounting sleeve (12), and the normally closed contact (41) is arranged on the side wall of the micro switch (2) corresponding to the avoidance groove (6), and the normally closed contact (41) passes through the avoidance groove (6) and extends to the outside of the mounting sleeve (12).

4. A switch assembly, comprising a switch housing (17), and a switch structure with a sewage lift switch bracket as claimed in any one of claims 1 to 3, characterized in that: The switch housing (17) comprises a switch compartment (171), a straight tube (172) and a conical tube (173) which are connected to each other. The lower end opening of the straight tube (172) is connected to the upper end opening of the conical tube (173). The lower end opening of the conical tube (173) encapsulates an airbag component (18). A push rod (20) is movably connected inside the straight tube (172). The lower end of the push rod (20) is provided with an abutment plate (21) adapted to the airbag component (18). A top plate (22) is provided at the upper end of the top rod (20), the upper end opening of the straight tube (172) penetrates to the bottom inner wall of the switch compartment (171), the top plate (22) abuts against the moving contact (5), the opening of the switch compartment (171) faces upward, and the bottom inner wall of the switch compartment (171) is convexly formed with two limiting structures (25), and the inner side wall of the limiting structure (25) is adapted to the outer wall of the corresponding mounting end (13).

5. A switch assembly according to claim 4, characterized in that: The upper end of the straight tube (172) extends out of the bottom inner wall of the switch compartment (171), and a clearance fit or a contact fit is formed between the upper end of the straight tube (172) and the two supporting structures (8).

6. A switch assembly according to claim 4, characterized in that: The bottom outer wall of the switch compartment (171) is convexly formed with a mounting structure (26), and the portion of the second fastener (10) that passes through the connection hole (9) is threadedly connected to the mounting structure (26).

7. A switch assembly according to claim 4, characterized in that: The outer wall of the push rod (20) is provided with support bars (23) distributed in a ring array, and the support bars (23) extend along the length direction of the push rod (20). The support bars (23) are provided with positioning plates (24), and the end of the positioning plate (24) away from the support bars (23) is in conflict with the inner wall of the straight tube (172).

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