CN209895971U - Pressure switch for die change - Google Patents

Abstract

The utility model discloses a pressure switch for retooling relates to pressure switch technical field, specifically is a pressure switch for retooling, shell, the main casing body and switch backshell before the switch, the draw-in groove has been seted up in the front of the main casing body, the back fixedly connected with fixture block of shell before the switch, shell swing joint before fixture block and switch is passed through in the front of the main casing body, bolt and switch backshell swing joint are passed through at the back of the main casing body. This pressure switch for retooling, the setting of insulating layer, electric shock protection's effect has been played, can effectually avoid the emergence of personal electric shock accident, provide effectual guarantee to operating personnel and maintenance personal's life safety, the setting of heat preservation, can avoid pressure switch to receive external environment's influence, lead to its self temperature sudden rise dip, reduce pressure switch's stability, the setting of heat dissipation window has played radiating effect, the setting of protective housing can prevent that the display screen from receiving destruction, shorten the life of display screen.

Description

Pressure switch for die change

Technical Field

The utility model relates to a pressure switch technical field specifically is a pressure switch for retooling.

Background

A pressure switch is a simple pressure control device. When the measured pressure reaches the rated value, the pressure switch can send out alarm or control signal, and the working principle of the pressure switch is that when the measured pressure exceeds the rated value, the free end of the elastic element generates displacement to push the switch element directly or after comparison, so that the on-off state of the switch element is changed, and the purpose of controlling the measured pressure is achieved.

At present, pressure switch receives the wide use because of having the characteristics that the precision is high, it is convenient to adjust, stability is good and corrosion resistance is strong, receive extensive use in the abominable industrial production of environment such as metallurgy, chemical industry, petroleum, steel and iron, machinery, refrigeration plant and water pump, and present pressure switch still lacks at self protection yet, can not dampproofing and waterproofing, can lead to pressure switch internal line impaired, shorten its life, and the display screen is by sharp object fish tail easily, influences pressure switch's normal use, therefore present pressure switch is urgently needed to improve self protective capability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pressure switch for retooling has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pressure switch for changing a mold comprises a switch front shell, a main shell and a switch rear shell, wherein a clamping groove is formed in the front of the main shell, a clamping block is fixedly connected to the back of the switch front shell, the front of the main shell is movably connected with the switch front shell through the clamping block, the back of the main shell is movably connected with the switch rear shell through a bolt, a display screen is arranged on the front of the switch front shell, a button is arranged below the display screen, a pressure gauge connecting end is fixedly connected to the top of the main shell, a pressure port is fixedly connected to the bottom of the main shell, a heat dissipation window is formed in the outer surface of the main shell, a filter disc is fixedly connected to the inner side wall of the heat dissipation window, an insulating layer is fixedly connected to the inner wall of the main shell, a heat preservation layer is bonded to the inner wall of the insulating layer, a power supply connecting, and a sounding hole is formed below the power supply connecting groove.

Optionally, the outer surface joint of display screen has the protective housing, the material of protective housing is stereoplasm transparent plastic.

Optionally, the inner wall of the protection head is fixedly connected with petal clamps, and the petal clamps are fixedly connected to the inner wall of the protection head in an annular array.

Optionally, the number of the four card slots is four, and the four card slots are fixedly connected to the back of the switch front shell in an annular array.

Optionally, the number of the clamping blocks is four, and the four clamping blocks are arranged on the front surface of the main shell in an annular array.

Optionally, the number of the keys is three, rubber sleeves are arranged on the outer surfaces of the keys, a plurality of radiating holes are formed in the outer surface of the filter disc, and the number of the bolts is four.

(III) advantageous effects

The utility model provides a pressure switch for retooling possesses following beneficial effect:

1. this pressure switch for retooling, setting through the insulating layer, the effect of electric shock protection has been played, can effectually avoid the emergence of personal electric shock accident, provide effectual guarantee to operating personnel and maintenance personal's life safety, setting through the heat preservation, can avoid pressure switch to receive external environment's influence, lead to its self temperature sudden rise sudden drop, reduce pressure switch's stability, setting through the heat dissipation window, radiating effect has been played, setting through the protective housing, can prevent that the display screen from receiving destruction, shorten the life of display screen.

2. This pressure switch for retooling, setting through the filter disc, can prevent inside external pollutant from invading pressure switch, lead to pressure switch internals to receive the damage, shorten pressure switch's life, setting through the protection head, the effect of protection power spread groove has been played, also can prevent simultaneously that the staff mistake from touching the power cord, lead to the power cord to break away from, influence production efficiency, setting through taking place the hole, the effect of having played and having spread the messenger alarm, through the effect that the lamella pressed from both sides, the effect of fixed power cord has been played.

Drawings

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

FIG. 2 is a schematic view of the structure of the heat dissipation window of the present invention;

FIG. 3 is a schematic view of the structure of the insulating layer of the present invention;

FIG. 4 is a schematic view of the structure of the power connection slot of the present invention;

FIG. 5 is a schematic view of the protective head structure of the present invention;

fig. 6 is a schematic structural view of the protective shell of the present invention;

fig. 7 is a schematic view of the main housing structure of the present invention.

In the figure: 1-switch front shell, 2-main shell, 3-switch rear shell, 4-clamping groove, 5-clamping block, 6-petal clamp, 7-bolt, 8-display screen, 9-key, 10-pressure gauge connecting end, 11-pressure port, 12-heat dissipation window, 13-filter, 14-insulating layer, 15-insulating layer, 16-power supply connecting groove, 17-protective head, 18-sounding hole and 19-protective shell.

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.

Referring to fig. 1 to 7, the present invention provides a technical solution: a pressure switch for die change comprises a switch front shell 1, a main shell 2 and a switch rear shell 3, wherein the front surface of the main shell 2 is provided with a clamping groove 4, the back surface of the switch front shell 1 is fixedly connected with a clamping block 5, the front surface of the main shell 2 is movably connected with the switch front shell 1 through the clamping block 5, the back surface of the main shell 2 is movably connected with the switch rear shell 3 through a bolt 7, the front surface of the switch front shell 1 is provided with a display screen 8, a key 9 is arranged below the display screen 8, the top of the main shell 2 is fixedly connected with a pressure gauge connecting end 10, the bottom of the main shell 2 is fixedly connected with a pressure port 11, the outer surface of the main shell 2 is provided with a heat dissipation window 12, the heat dissipation window 12 is arranged, the heat dissipation effect is achieved, the display screen 8 can be prevented from being damaged through the arrangement of a protective shell 19, the service, through the arrangement of the filter disc 13, the internal components of the pressure switch can be prevented from being damaged due to the intrusion of external pollutants into the pressure switch, the service life of the pressure switch is shortened, the insulating layer 14 is fixedly connected to the inner wall of the main shell 2, the electric shock protection effect is achieved through the arrangement of the insulating layer 14, the occurrence of personal electric shock accidents can be effectively avoided, and the effective guarantee is provided for the life safety of operators and maintenance personnel, the insulating layer 15 is bonded to the inner wall of the insulating layer 14, the pressure switch can be prevented from being affected by the external environment through the arrangement of the insulating layer 15, the sudden temperature rise and drop of the pressure switch can be avoided, the stability of the pressure switch is reduced, the power supply connecting groove 16 is formed in the outer surface of the switch rear shell 3, the protection head 17 is movably connected inside the power supply connecting groove 16, and the protection effect of the, meanwhile, the power cord can be prevented from being broken by mistake by workers, the power cord is prevented from being separated, the production efficiency is influenced, the sounding hole 18 is formed below the power supply connecting groove 16, the alarm effect is realized by transmitting the sounding hole 18, the protective shell 19 is clamped on the outer surface of the display screen 8, the protective shell 19 is made of hard transparent plastic, the inner wall of the protective head 17 is fixedly connected with the petal clamp 6, the power cord is fixed by the petal clamp 6, the petal clamp 6 is fixedly connected with the inner wall of the protective head 17 in an annular array form, the number of the clamping grooves 4 is four, the four clamping grooves 4 are fixedly connected with the back surface of the switch front shell 1 in an annular array form, the number of the clamping blocks 5 is four, the four clamping blocks 5 are arranged on the front surface of the main shell body 2 in an annular array form, the number of bolts 7 is four.

As an optimal technical solution of the utility model: the number of the heat dissipation holes is a plurality of, the valve clip 6 is made of plastic, the number of the sounding holes 18 is four, and the four sounding holes 18 are arranged below the power supply connection groove 16 in a rectangular array mode.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

To sum up, the pressure switch for mold changing plays a role of electric shock protection through the arrangement of the insulating layer 14 during use, can effectively avoid the occurrence of personal electric shock accidents, provides effective guarantee for the life safety of operators and maintenance personnel, can avoid the influence of the external environment on the pressure switch through the arrangement of the heat preservation layer 15, leads to the sudden temperature rise and drop of the pressure switch, reduces the stability of the pressure switch, plays a role of heat dissipation through the arrangement of the heat dissipation window 12, can prevent the display screen 8 from being damaged through the arrangement of the protective shell 19, shortens the service life of the display screen 8, can prevent external pollutants from invading into the pressure switch through the arrangement of the filter 13, leads to the damage of internal components of the pressure switch, shortens the service life of the pressure switch, plays a role of protecting the power supply connecting groove 16 through the arrangement of the protective head 17, meanwhile, the power cord can be prevented from being touched by workers by mistake, the power cord is separated from the power cord, the production efficiency is influenced, the alarm is transmitted out through the arrangement of the generating holes 18, and the power cord is fixed through the action of the flap clamp 6.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Claims (6)

1. The utility model provides a pressure switch for retooling, shell (1), main casing body (2) and switch backshell (3) before the switch, its characterized in that: the front of the main shell (2) is provided with a clamping groove (4), the back of the switch front shell (1) is fixedly connected with a clamping block (5), the front of the main shell (2) is movably connected with the switch front shell (1) through the clamping block (5), the back of the main shell (2) is movably connected with the switch rear shell (3) through a bolt (7), the front of the switch front shell (1) is provided with a display screen (8), a key (9) is arranged below the display screen (8), the top of the main shell (2) is fixedly connected with a pressure gauge connecting end (10), the bottom of the main shell (2) is fixedly connected with a pressure port (11), the outer surface of the main shell (2) is provided with a heat dissipation window (12), the inner side wall of the heat dissipation window (12) is fixedly connected with a filter disc (13), the inner wall of the main shell (2) is fixedly connected with, the inner wall of insulating layer (14) bonds there is heat preservation (15), power connection groove (16) have been seted up to the surface of switch backshell (3), the inside swing joint of power connection groove (16) has protection head (17), phonation hole (18) have been seted up to the below of power connection groove (16).

2. The pressure switch for die change according to claim 1, wherein: the surface joint of display screen (8) has protective housing (19), the material of protective housing (19) is stereoplasm transparent plastic.

3. The pressure switch for die change according to claim 1, wherein: the inner wall of protection head (17) fixedly connected with lamella presss from both sides (6), lamella presss from both sides (6) and is the inner wall at protection head (17) fixed connection of the form of annular array.

4. The pressure switch for die change according to claim 1, wherein: the number of the clamping grooves (4) is four, and the four clamping grooves (4) are fixedly connected to the back face of the switch front shell (1) in an annular array mode.

5. The pressure switch for die change according to claim 1, wherein: the number of the clamping blocks (5) is four, and the four clamping blocks (5) are arranged on the front surface of the main shell (2) in an annular array mode.

6. The pressure switch for die change according to claim 1, wherein: the number of the keys (9) is three, the number of the keys is three, rubber sleeves are arranged on the outer surfaces of the keys (9), heat dissipation holes are formed in the outer surfaces of the filter sheets (13), and the number of the bolts (7) is four.

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