CN219246590U

CN219246590U - Pressure-adjustable power switch assembly

Info

Publication number: CN219246590U
Application number: CN202320264056.2U
Authority: CN
Inventors: 林凤香
Original assignee: Dongguan Yuhua Electronics Technology Co ltd
Current assignee: Dongguan Yuhua Electronics Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-23
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses an adjustable pressure power switch assembly, which aims to solve the technical problems that in the prior art, gauge pressure of gas and liquid enters the inside of a pressure cavity through a pressure source inlet, and the risk of bursting easily occurs when the pressure in the pressure cavity is overlarge, so that the dangerous angle of a pressure switch can be caused. The power switch assembly comprises a lower shell, an upper shell, a pressure cavity, a pressure source inlet and a mounting side lug, wherein the upper shell is arranged on one side of the lower shell, the pressure cavity is arranged on the inner wall of the upper shell, and the pressure source inlet is connected to one side of the upper shell. This switch assembly can extrude the sealing washer when the inside pressure of pressure chamber is too big, and the sealing washer receives the extrusion and can drive the guide bar and upwards slide in the inside of connecting pipe, can compress the spring strip when the sealing washer upward movement, when the sealing washer upward movement to the top position of pressure release hole, the inside pressure of pressure chamber can carry out the pressure release through the pressure release hole this moment.

Description

Pressure-adjustable power switch assembly

Technical Field

The utility model belongs to the technical field of power switch assemblies, and particularly relates to a pressure-adjustable power switch assembly.

Background

The power switch is used for controlling the switching tube to conduct high-speed channel connection and disconnection by a circuit, and converting direct current into high-frequency alternating current to be supplied to a transformer for transformation, so that one or more groups of needed voltages are generated. In the using process of the existing power switch assembly, the following problems exist:

when the existing pressure switch is used, gauge pressure of gas and liquid enters the pressure cavity through the pressure source inlet, and the risk of bursting easily occurs when the pressure in the pressure cavity is overlarge, so that the dangerous angle of the pressure switch can be caused.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an adjustable pressure power switch assembly, which aims to solve the technical problems that in the prior art, gauge pressure of gas and liquid enters the pressure cavity through a pressure source inlet, and the risk of bursting easily occurs when the pressure in the pressure cavity is overlarge, so that the dangerous angle of the pressure switch can be caused.

(2) Technical proposal

In order to solve the technical problems, the utility model provides an adjustable pressure power switch assembly, which comprises a lower shell, an upper shell, a pressure cavity, a pressure source inlet and mounting side ears, wherein one side of the lower shell is provided with the upper shell, the inner wall of the upper shell is provided with the pressure cavity, one side of the upper shell is connected with the pressure source inlet, and one side of the lower shell is provided with the mounting side ears; the surface of the upper shell is provided with a pressure relief mechanism.

When the power switch assembly of the technical scheme is used, the sealing ring can be extruded when the pressure in the pressure cavity is overlarge, the sealing ring can drive the guide rod to slide upwards in the connecting pipe when being extruded, the spring strip can be compressed when the sealing ring moves upwards, and when the sealing ring moves upwards to the top position of the pressure relief hole, the pressure in the pressure cavity can be relieved through the pressure relief hole.

Preferably, the pressure release mechanism comprises a connecting pipe, a pressure release hole, a guide rod, a sealing ring, a limiting block and a spring strip, wherein the connecting pipe penetrates through the upper shell and extends to the inside of the pressure cavity.

Further, the pressure release hole has been seted up on the surface of connecting pipe, the inside of connecting pipe runs through there is the guide bar, the surface connection of guide bar has the sealing washer, the top of guide bar is connected with the stopper, be connected with the spring strip between connecting pipe and the sealing washer.

Still further, be sliding connection between guide bar and the connecting pipe, the sealing washer is the rubber material, be interference connection between the inner wall of sealing washer and connecting pipe, be integrated into one piece structure between guide bar and the stopper, constitute elasticity extending structure between sealing washer and the spring strip, the sealing washer closely laminates at the inner wall of connecting pipe, can avoid power switch to take place under the normal condition like this pressure leakage.

Furthermore, a guide sliding groove is formed in the side surface of the installation side lug, and a guide sliding block is connected to the inner wall of the lower shell close to the guide sliding groove.

Furthermore, one side guide sliding groove and one guide sliding block are symmetrically arranged on two sides of each installation side lug, the installation side lugs are connected with the guide sliding blocks in a sliding mode through the guide sliding grooves, and the installation side lugs can slide on the surfaces of the guide sliding blocks through the guide sliding grooves, so that the movement direction of the installation side lugs can be limited.

Further, the surface of the lower shell is connected with a threaded hole, and a fastening bolt penetrates through the threaded hole.

Still further, screw hole and fastening bolt are provided with two sets of about the longitudinal axis symmetry of lower casing, be threaded connection between fastening bolt and the screw hole, fastening bolt can carry out lateral movement when screw hole inside rotates, can extrude the installation side ear like this to the convenience is fixed the installation side ear.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the pressure in the pressure cavity is overlarge, the sealing ring can be extruded, the guide rod can be driven to slide upwards in the connecting pipe by extrusion, the spring strip can be compressed when the sealing ring moves upwards, and when the sealing ring moves upwards to the top position of the pressure relief hole, the pressure in the pressure cavity can be relieved through the pressure relief hole, so that the pressure of the power switch can be regulated, and the explosion of the power switch caused by the overlarge pressure in the pressure cavity is avoided;

2. according to the utility model, the installation side lugs can be pushed at first, the installation side lugs are extruded to drive the guide sliding grooves to slide on the surface of the guide sliding blocks, the fastening bolts can be rotated after the position adjustment of the installation side lugs is completed, and the fastening bolts can transversely move when rotating in the threaded holes, so that the installation side lugs can be extruded, the installation side lugs are conveniently fixed, and the fixing holes on the surface of the installation side lugs can be conveniently aligned with the installation holes on the surface of an object.

Drawings

FIG. 1 is a schematic diagram of a front view of an embodiment of the apparatus of the present utility model;

FIG. 2 is a schematic side view of an embodiment of the apparatus of the present utility model;

FIG. 3 is a schematic view showing the internal structure of an upper housing of an embodiment of the device of the present utility model;

FIG. 4 is a cross-sectional view of a pressure relief mechanism of one embodiment of the device of the present utility model;

fig. 5 is a schematic view of a mounting lug adjusting structure of an embodiment of the device of the present utility model.

The marks in the drawings are: 1. a lower housing; 2. an upper housing; 3. a pressure chamber; 4. a pressure source inlet port; 5. mounting side ears; 6. a connecting pipe; 7. a pressure relief hole; 8. a guide rod; 9. a seal ring; 10. a limiting block; 11. a spring bar; 12. a guide chute; 13. a guide slide block; 14. a threaded hole; 15. and (5) fastening a bolt.

Detailed Description

The specific embodiment is an adjustable pressure power switch assembly, the structure of which is shown in fig. 1, the power switch assembly comprises a lower shell 1, an upper shell 2, a pressure cavity 3, a pressure source inlet 4 and a mounting side lug 5, wherein the upper shell 2 is arranged on one side of the lower shell 1, the pressure cavity 3 is arranged on the inner wall of the upper shell 2, the pressure source inlet 4 is connected on one side of the upper shell 2, and the mounting side lug 5 is arranged on one side of the lower shell 1; the surface of the upper shell 2 is provided with a pressure relief mechanism.

Wherein, relief mechanism includes connecting pipe 6, relief hole 7, guide bar 8, sealing washer 9, stopper 10 and spring strip 11, connecting pipe 6 runs through casing 2 and extends to the inside of pressure chamber 3, relief hole 7 has been seted up on the surface of connecting pipe 6, the inside of connecting pipe 6 runs through has guide bar 8, the surface connection of guide bar 8 has sealing washer 9, the top of guide bar 8 is connected with stopper 10, be connected with spring strip 11 between connecting pipe 6 and the sealing washer 9, be sliding connection between guide bar 8 and the connecting pipe 6, sealing washer 9 is the rubber material, be interference connection between sealing washer 9 and the inner wall of connecting pipe 6, be integrated into one piece structure between guide bar 8 and the stopper 10, constitute elastic expansion structure between sealing washer 9 and the spring strip 11.

In addition, the side surface of installation side ear 5 has seted up direction spout 12, be close to the lower casing 1 inner wall of direction spout 12 and be connected with direction slider 13, the bilateral symmetry of every installation side ear 5 is provided with one side direction spout 12 and direction slider 13, constitute sliding connection between installation side ear 5 through direction spout 12 and the direction slider 13, the surface connection of lower casing 1 has screw hole 14, the inside of screw hole 14 has run through fastening bolt 15, screw hole 14 and fastening bolt 15 are provided with two sets of with the longitudinal axis symmetry of lower casing 1 about, be threaded connection between fastening bolt 15 and the screw hole 14.

Working principle: when the device of the technical scheme is used, the sealing ring 9 can be extruded when the pressure in the pressure cavity 3 is overlarge, the sealing ring 9 can drive the guide rod 8 to slide upwards in the connecting pipe 6 when being extruded, the spring strip 11 can be compressed when the sealing ring 9 moves upwards, when the sealing ring 9 moves upwards to the top position of the pressure relief hole 7, the pressure in the pressure cavity 3 can be relieved through the pressure relief hole 7 at the moment, and after the pressure in the pressure cavity 3 is reduced, the spring strip 11 can extrude the sealing ring 9 to reset through self elasticity;

according to the utility model, the mounting side ears 5 can be pushed at first, the mounting side ears 5 are extruded to drive the guide sliding grooves 12 to slide on the surface of the guide sliding blocks 13, the fastening bolts 15 can be rotated after the position adjustment of the mounting side ears 5 is completed, and the fastening bolts 15 can transversely move when rotating in the threaded holes 14, so that the mounting side ears 5 can be extruded, the mounting side ears 5 can be conveniently fixed, and the fixing holes on the surface of the mounting side ears 5 can be conveniently aligned with the mounting holes on the surface of an object.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. The utility model provides an adjustable pressure power switch subassembly, this power switch subassembly includes lower casing (1), goes up casing (2), pressure chamber (3), pressure source inlet port (4) and installation side ear (5), its characterized in that, one side of lower casing (1) is provided with casing (2), the inner wall of last casing (2) is provided with pressure chamber (3), one side of going up casing (2) is connected with pressure source inlet port (4), one side of lower casing (1) is provided with installation side ear (5); the surface of the upper shell (2) is provided with a pressure release mechanism.

2. An adjustable pressure power switch assembly according to claim 1, characterized in that the pressure relief mechanism comprises a connecting tube (6), a pressure relief hole (7), a guide rod (8), a sealing ring (9), a limiting block (10) and a spring bar (11), the connecting tube (6) penetrating the upper housing (2) and extending into the interior of the pressure chamber (3).

3. The pressure-adjustable power switch assembly according to claim 2, wherein the surface of the connecting pipe (6) is provided with a pressure relief hole (7), a guide rod (8) penetrates through the connecting pipe (6), a sealing ring (9) is connected to the surface of the guide rod (8), a limiting block (10) is connected to the top of the guide rod (8), and a spring strip (11) is connected between the connecting pipe (6) and the sealing ring (9).

4. A pressure-adjustable power switch assembly according to claim 3, characterized in that the guide rod (8) is in sliding connection with the connecting pipe (6), the sealing ring (9) is made of rubber, the sealing ring (9) is in interference connection with the inner wall of the connecting pipe (6), the guide rod (8) and the limiting block (10) are in an integrated structure, and an elastic telescopic structure is formed between the sealing ring (9) and the spring strip (11).

5. The pressure-adjustable power switch assembly according to claim 1, wherein the side surface of the mounting side ear (5) is provided with a guide chute (12), and the inner wall of the lower shell (1) close to the guide chute (12) is connected with a guide slide block (13).

6. An adjustable pressure power switch assembly according to claim 5, characterized in that the two sides of each mounting lug (5) are symmetrically provided with a side guiding chute (12) and a guiding slide (13), and the mounting lugs (5) are in sliding connection with the guiding slide (13) through the guiding chute (12).

7. An adjustable pressure power switch assembly according to claim 5, characterized in that the surface of the lower housing (1) is connected with a threaded hole (14), the interior of the threaded hole (14) being penetrated by a fastening bolt (15).

8. An adjustable pressure power switch assembly according to claim 7, characterized in that the threaded hole (14) and the fastening bolt (15) are symmetrically arranged in two groups with respect to the longitudinal central axis of the lower housing (1), the fastening bolt (15) being in threaded connection with the threaded hole (14).