CN210573412U

CN210573412U - Liquid crystal display pressure controller

Info

Publication number: CN210573412U
Application number: CN201922088771.1U
Authority: CN
Inventors: 斯志安
Original assignee: Zhejiang Wasinex Intelligent Technology Co ltd
Current assignee: Zhejiang Wasinex Intelligent Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-05-19
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a liquid crystal display pressure controller, which comprises a housin, be provided with the display screen on the preceding terminal surface of casing, the lower extreme of casing is provided with the regulation and control knob, and the incoming end and the outgoing end of casing are connected with the connector, the connector includes the connecting pipe, be provided with the connecting seat on the connecting pipe, it is connected with the thread bush to rotate on the connecting seat, be provided with the internal thread on the circumference inside wall of thread bush, be provided with the annular on the connecting seat side end face towards the connecting pipe port, the joint has the sealing ring in the annular. The utility model relates to a simple structure, the simple installation, the liquid crystal display pressure controller that the reliability is high.

Description

Liquid crystal display pressure controller

Technical Field

The utility model relates to a pressure controller technical field specifically is a liquid crystal display pressure controller.

Background

The pressure controller can be used for neutral or corrosive gas and liquid media. The range of a set value is adjustable, the adjusting range is 0.02-1 Mpa, the switching difference is not adjustable, the pressure controller comprises a wide range and more varieties, and the pressure controller comprises a differential pressure controller, an explosion-proof pressure switch, an explosion-proof differential pressure switch, a pressure transmitter, a differential pressure transmitter, a wind pressure switch and a wind pressure transmitter. Most of the existing liquid crystal display pressure controllers have the defect of poor connection reliability when the inlet end and the outlet end are connected with a pipeline. Therefore, a new type of lcd pressure controller is needed to overcome the above technical drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid crystal display pressure controller to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid crystal display pressure controller, includes the casing, be provided with the display screen on the preceding terminal surface of casing, the lower extreme of casing is provided with the regulation and control knob, and the incoming end of casing is connected with the connector with connecing the output, the connector includes the connecting pipe, be provided with the connecting seat on the connecting pipe, it is connected with the thread bush to rotate on the connecting seat, be provided with the internal thread on the circumference inside wall of thread bush, the connecting seat is provided with the annular towards being provided with on the side end face of connecting pipe port, the joint has the sealing ring in the annular.

Preferably, the outer edge of the port of the connecting pipe is provided with a chamfer.

Preferably, be provided with the joint groove in the annular, the width in joint groove is greater than the width of annular, the cooperation of sealing ring joint is in the joint groove.

Preferably, an annular assembling groove is formed in the circumferential outer side wall of the connecting seat, a connecting ring is arranged at one end of the threaded sleeve, and the connecting ring is rotatably connected in the assembling groove.

Preferably, the outer side wall of the threaded sleeve is provided with a hexagonal prism-shaped fixture block, and the outer side wall of the fixture block is provided with a group of insertion grooves.

Preferably, a convex ring extending forwards is arranged on the periphery of the display screen on the front end face of the shell, a pointer disc and a pointer are arranged in the convex ring, and a port of the convex ring is fixedly connected with a toughened glass cover.

Compared with the prior art, the beneficial effects of the utility model are that: after the threaded sleeve is screwed down, the port of the pipeline abuts against the sealing ring in the annular groove, so that the sealing performance and the reliability of the connection of the connector and the pipeline are improved. The chamfer is convenient for the pipe wall of the pipeline to be inserted between the threaded sleeve and the connecting pipe. The sealing ring is clamped and matched in the clamping groove, so that the reliability of the sealing ring is improved, and the sealing ring is prevented from falling off from the ring groove before being installed. The fixture block is used for being matched with a wrench to screw the thread bushing, and the insertion groove is used for being matched with the insertion rod to rotate the thread bushing. Pointer dish and pointer are the same with the display screen function, all are used for showing the pressure value, and dual setting improves pressure controller's reliability, and toughened glass cover is used for protecting pointer dish, pointer and display screen. The utility model discloses simple structure, the simple installation, the liquid crystal display pressure controller that the reliability is high.

Drawings

Fig. 1 is a schematic structural diagram of a liquid crystal display pressure controller according to the present invention;

fig. 2 is a partially enlarged view of fig. 1 at K.

In the drawings: 1. the device comprises a shell, 2, a convex ring, 3, a pointer disk, 4, a pointer, 5, a display screen, 6, a toughened glass cover, 7, an adjusting knob, 8, a connector, 9, a connecting pipe, 10, a connecting seat, 11, a chamfer, 12, an assembly groove, 13, a connecting ring, 14, a threaded sleeve, 15, an internal thread, 16, an annular groove, 17, a clamping groove, 18, a sealing ring, 19, a clamping block, 20 and an insertion 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.

As shown in fig. 1 and 2, the utility model discloses liquid crystal display pressure controller, including casing 1, be provided with display screen 5 on casing 1's the preceding terminal surface, casing 1's lower extreme is provided with regulation and control knob 7, and casing 1's incoming end and connect the output to be connected with connector 8, connector 8 includes connecting pipe 9, be provided with connecting seat 10 on the connecting pipe 9, it is connected with thread bush 14 to rotate on the connecting seat 10, be provided with internal thread 15 on the circumference inside wall of thread bush 14, connecting seat 10 is provided with annular 16 towards a side end face of connecting pipe 9 port, the joint has sealing ring 18 in the annular 16.

During installation, the connector 8 is connected with the pipeline, the pipe wall of the pipeline is inserted between the threaded sleeve 14 and the connecting pipe 9, the internal thread 15 on the threaded sleeve 14 is matched with the external thread on the outer surface of the circumference of the pipeline, and after the threaded sleeve 14 is screwed down, the port of the pipeline abuts against the sealing ring 18 in the annular groove 16, so that the sealing performance and the reliability of the connector 8 and the pipeline connection are improved.

Preferably, a chamfer 11 is provided at the outer edge of the port of the connecting tube 9.

The chamfer 11 facilitates the insertion of the wall of the pipe between the threaded sleeve 14 and the connection pipe 9.

Preferably, a clamping groove 17 is formed in the ring groove 16, the width of the clamping groove 17 is greater than that of the ring groove 16, and the sealing ring 18 is clamped and matched in the clamping groove 17.

The sealing ring 18 is clamped and matched in the clamping groove 17, so that the reliability of the sealing ring 18 is improved, and the sealing ring 18 is prevented from falling off from the ring groove 16 before being installed.

Preferably, an annular assembly groove 12 is formed on the circumferential outer side wall of the connecting socket 10, and a connection ring 13 is formed at one end of the threaded sleeve 14, wherein the connection ring 13 is rotatably connected in the assembly groove 12.

The connecting ring 13 is rotatably connected in the assembling groove 12, and the threaded sleeve 14 is rotatably connected with the connecting seat 10.

Preferably, a hexagonal prism-shaped fixture block 19 is arranged on the outer side wall of the threaded sleeve 14, and a set of insertion grooves 20 is arranged on the outer side wall of the fixture block 19.

The clamping block 19 is used for matching with a spanner to screw the threaded sleeve 14, and the insertion groove 20 is used for matching with an insertion rod to rotate the threaded sleeve 14.

Preferably, a convex ring 2 extending forwards is arranged around a display screen 5 on the front end face of the shell 1, a pointer disc 3 and a pointer 4 are arranged in the convex ring 2, and a port of the convex ring 2 is fixedly connected with a toughened glass cover 6.

Pointer dish 3 and pointer 4 are the same with display screen 5 function, all are used for showing the pressure value, and dual setting improves pressure controller's reliability, and toughened glass cover 6 is used for protecting pointer dish 3, pointer 4 and display screen 5.

The utility model discloses a theory of operation is: during installation, the connector 8 is connected with the pipeline, the pipe wall of the pipeline is inserted between the threaded sleeve 14 and the connecting pipe 9, the internal thread 15 on the threaded sleeve 14 is matched with the external thread on the outer surface of the circumference of the pipeline, and after the threaded sleeve 14 is screwed down, the port of the pipeline abuts against the sealing ring 18 in the annular groove 16, so that the sealing performance and the reliability of the connector 8 and the pipeline connection are improved. The chamfer 11 facilitates the insertion of the wall of the pipe between the threaded sleeve 14 and the connection pipe 9. The sealing ring 18 is clamped and matched in the clamping groove 17, so that the reliability of the sealing ring 18 is improved, and the sealing ring 18 is prevented from falling off from the ring groove 16 before being installed. The connecting ring 13 is rotatably connected in the assembling groove 12, and the threaded sleeve 14 is rotatably connected with the connecting seat 10. The clamping block 19 is used for matching with a spanner to screw the threaded sleeve 14, and the insertion groove 20 is used for matching with an insertion rod to rotate the threaded sleeve 14. Pointer dish 3 and pointer 4 are the same with display screen 5 function, all are used for showing the pressure value, and dual setting improves pressure controller's reliability, and toughened glass cover 6 is used for protecting pointer dish 3, pointer 4 and display screen 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A liquid crystal display pressure controller, includes casing (1), its characterized in that: be provided with display screen (5) on the preceding terminal surface of casing (1), the lower extreme of casing (1) is provided with regulation and control knob (7), and the incoming end of casing (1) is connected with connector (8) with connecing the output, connector (8) are including connecting pipe (9), be provided with connecting seat (10) on connecting pipe (9), it is connected with thread bush (14) to rotate on connecting seat (10), be provided with internal thread (15) on the circumference inside wall of thread bush (14), be provided with annular (16) on connecting seat (10) a side end face towards connecting pipe (9) port, the joint has sealing ring (18) in annular (16).

2. The liquid crystal display pressure controller according to claim 1, characterized in that: and a chamfer (11) is arranged at the outer edge of the port of the connecting pipe (9).

3. The liquid crystal display pressure controller according to claim 1, characterized in that: be provided with joint groove (17) in annular (16), the width of joint groove (17) is greater than the width of annular (16), sealing ring (18) joint cooperation is in joint groove (17).

4. The liquid crystal display pressure controller according to claim 1, characterized in that: the connecting device is characterized in that an annular assembling groove (12) is formed in the circumferential outer side wall of the connecting seat (10), a connecting ring (13) is arranged at one end of the threaded sleeve (14), and the connecting ring (13) is rotatably connected into the assembling groove (12).

5. The liquid crystal display pressure controller according to claim 1, characterized in that: the outer side wall of the threaded sleeve (14) is provided with a hexagonal prism-shaped fixture block (19), and the outer side wall of the fixture block (19) is provided with a group of insertion grooves (20).

6. The liquid crystal display pressure controller according to claim 1, characterized in that: be provided with bulge loop (2) that stretch out forward around display screen (5) on the preceding terminal surface of casing (1), be provided with pointer dish (3) and pointer (4) in bulge loop (2), the port department fixedly connected with toughened glass cover (6) of bulge loop (2).