CN208061035U - A kind of digital differential pressure controller - Google Patents

Abstract

The utility model discloses a kind of digital differential pressure controller, including shell, the hull outside is equipped with protective layer; the shell matches with protective layer; the protective layer both sides are all provided with fluted, fixed plate are equipped at the top of the protective layer, the fixed plate is internally provided with card hole.The utility model is by being equipped with fixed plate, be conducive to that installation is fixed to shell and protective layer, it needs that shell is fixed, matched fixed plate and the corresponding placement of protective layer using nose bar and card hole, at this time when nose bar is matched with card hole, protective layer can squeeze fixture block, fixture block compresses spring in sliding slot internal slide, when being buckled to fixture block one end and groove, to be clamped to protective layer, protective layer is avoided to generate movement, then installation is fixed to fixed plate using mounting hole, ensure the stabilization of shell, by being equipped with hickey, be conducive to increase the service life of shell, until shell after a period of use.

Description

A kind of digital differential pressure controller

Technical field

The utility model is related to controller equiment field, more particularly to a kind of digital differential pressure controller.

Background technology

Multiple sensors can be used in differential pressure controller, and such as the sensor of bellows-type, can be used for gas at capsule Body, liquid and other medium.Because differential pressure controller is in use, very long reason external environment generates corrosion to differential pressure controller Effect.

Therefore, it is necessary to solve the above problems to invent a kind of digital differential pressure controller.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of digital differential pressure controller Problem.

To achieve the above object, the utility model provides the following technical solutions：A kind of digital differential pressure controller, including shell Body, the hull outside are equipped with protective layer, and the shell matches with protective layer, and the protective layer both sides are all provided with fluted, institute It states and is equipped with fixed plate at the top of protective layer, the fixed plate is internally provided with card hole, and the fixed plate surface is equipped with mounting hole, the guarantor Rubber layer is equipped between sheath and fixed plate, the protective layer top surface is equipped with nose bar, and the protective layer is fixedly connected with nose bar, institute It states card hole with nose bar to match, the protective layer both sides are equipped with fixture block, the fixture block and groove match, the fixture block side Equipped with spring, the spring one end is fixedly connected with fixture block side, and the fixed plate is internally provided with sliding slot, the spring other end It is fixedly connected with sliding slot inner wall, the surface of shell is equipped with display, and the housing bottom is equipped with liquid inlet joint, and the feed liquor connects Head bottom is equipped with screen pipe, and the liquid inlet joint bottom is equipped with screwed pipe, and the liquid inlet joint side is equipped with outlet tube, the mistake Chimney filter and outlet tube bottom are equipped with connecting tube, and the connection bottom of the tube is equipped with connector, and the screen pipe is internally provided with filter layer, Described screen pipe one end is equipped with hickey, and the screwed pipe is threadedly coupled with hickey.

Preferably, the filter layer is made of rubber material, and the screen pipe is made of aluminum alloy materials.

The technique effect and advantage of the utility model：The utility model is conducive to by being equipped with fixed plate to shell and guarantor Installation is fixed in sheath, needs that shell is fixed, and is matched with card hole using nose bar fixed plate is opposite with protective layer It should place, at this time when nose bar is matched with card hole, protective layer can squeeze fixture block, and fixture block is in sliding slot internal slide to bullet Spring is compressed, and when being buckled to fixture block one end and groove, to be clamped to protective layer, protective layer is avoided to generate movement, Then installation is fixed to fixed plate using mounting hole, ensures the stabilization of shell, by being equipped with hickey, be conducive to increase The service life of shell waits until shell after a period of use, by rotating screen pipe, utilizes hickey and screw thread pipe screw thread The effect of connection removes screen pipe, is then replaced to screen pipe, ensures the service life of shell.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the whole overlooking structure diagram of the utility model；

Fig. 3 is that the portions the A structure amplification in Fig. 2 of the utility model is intended to；

Fig. 4 is the screen pipe cross-sectional view of the utility model；

In figure：1 shell, 2 protective layers, 3 fixed plates, 4 mounting holes, 5 rubber layers, 6 nose bars, 7 fixture blocks, 8 springs, 9 sliding slots, 10 Display, 11 liquid inlet joints, 12 screen pipes, 13 outlet tubes, 14 connecting tubes, 15 connectors, 16 filter layers, 17 hickeys.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

The utility model provides a kind of digital differential pressure controller as shown in Figs 1-4, including shell 1, outside the shell 1 Side is equipped with protective layer 2, and the shell 1 is matched with protective layer 2, wrapped up shell 1 using protective layer 2, outer to avoid Corrosion of boundary's environment to shell 1,2 both sides of the protective layer are all provided with fluted, and the top of the protective layer 2 is equipped with fixed plate 3, described Fixed plate 3 is internally provided with card hole, and 3 surface of the fixed plate is equipped with mounting hole 4, and rubber is equipped between the protective layer 2 and fixed plate 3 Glue-line 5,2 top surface of the protective layer are equipped with nose bar 6, and the protective layer 2 is fixedly connected with nose bar 6, the card hole and 6 phase of nose bar Match, is matched fixed plate 3 and the corresponding placement of protective layer 2 using nose bar 6 and card hole, 2 both sides of the protective layer are equipped with folder Block 7, the fixture block 7 and groove match, fixture block 7 compress spring 8 in 9 internal slide of sliding slot, when to 7 one end of fixture block When being buckled with groove, to be clamped to protective layer 2, protective layer 2 is avoided to generate movement, 7 side of the fixture block is equipped with spring 8,8 one end of the spring is fixedly connected with 7 side of fixture block, and the fixed plate 3 is internally provided with sliding slot 9,8 other end of the spring with 9 inner wall of sliding slot is fixedly connected, and 1 surface of the shell is equipped with display 10, and 1 bottom of the shell is equipped with liquid inlet joint 11, described 11 bottom of liquid inlet joint is equipped with screen pipe 12, and 11 bottom of the liquid inlet joint is equipped with screwed pipe, and 11 side of the liquid inlet joint is set There are outlet tube 13, the screen pipe 12 and 13 bottom of outlet tube to be equipped with connecting tube 14,14 bottom of the connecting tube is equipped with connector 15, the screen pipe 12 is internally provided with filter layer 16, and 12 one end of the screen pipe is equipped with hickey 17, the screwed pipe and spiral shell Line interface 17 is threadedly coupled.

The filter layer 16 is made of rubber material, and facilitating will be removed by the impurity particle in liquid, avoids Grain enters inside shell 1, and the screen pipe 12 is made of aluminum alloy materials.

This practicality operation principle：When needing that the pressure of liquid is adjusted with differential pressure controller, it is excessive right to avoid smelting Machinery causes to damage, because differential pressure controller cannot well protect itself, is wrapped to shell 1 using protective layer 2 It wraps up in, to avoid corrosion of the external environment to shell 1, needs that shell 1 is fixed at this time, utilize nose bar 6 and card hole phase With by the placement corresponding with protective layer 2 of fixed plate 3, at this time when nose bar 6 is matched with card hole, protective layer 2 can squeeze fixture block 7 Pressure, fixture block 7 compress spring 8 in 9 internal slide of sliding slot, when being buckled to 7 one end of fixture block and groove, to protection Layer 2 is clamped, and protective layer 2 is avoided to generate movement, and installation then is fixed to fixed plate 3 using mounting hole 4, ensures shell 1 stabilization waits until shell 1 after a period of use, by rotating screen pipe 12, hickey 17 and screw thread pipe screw thread is utilized to connect The effect connect removes screen pipe 12, is then replaced to screen pipe 12, ensures the service life of shell 1.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (2)

1. a kind of digital differential pressure controller, including shell (1), it is characterised in that：Protective layer (2) is equipped on the outside of the shell (1), The shell (1) matches with protective layer (2), and protective layer (2) both sides are all provided with fluted, are set at the top of the protective layer (2) There are fixed plate (3), the fixed plate (3) to be internally provided with card hole, fixed plate (3) surface is equipped with mounting hole (4), the protection Rubber layer (5) is equipped between layer (2) and fixed plate (3), protective layer (2) top surface is equipped with nose bar (6), the protective layer (2) It is fixedly connected with nose bar (6), the card hole matches with nose bar (6), and protective layer (2) both sides are equipped with fixture block (7), described Fixture block (7) and groove match, fixture block (7) side are equipped with spring (8), and described spring (8) one end and fixture block (7) side are solid Fixed connection, the fixed plate (3) are internally provided with sliding slot (9), and spring (8) other end is fixedly connected with sliding slot (9) inner wall, institute It states shell (1) surface and is equipped with display (10), shell (1) bottom is equipped with liquid inlet joint (11), the liquid inlet joint (11) Bottom is equipped with screen pipe (12), and liquid inlet joint (11) bottom is equipped with screwed pipe, and liquid inlet joint (11) side is equipped with out Liquid pipe (13), the screen pipe (12) and outlet tube (13) bottom are equipped with connecting tube (14), and connecting tube (14) bottom is set There are connector (15), the screen pipe (12) to be internally provided with filter layer (16), described screen pipe (12) one end is equipped with hickey (17), the screwed pipe is threadedly coupled with hickey (17).

2. a kind of digital differential pressure controller according to claim 1, it is characterised in that：The filter layer (16) is by rubber material Material is made, and the screen pipe (12) is made of aluminum alloy materials.