CN209858130U

CN209858130U - Pressure gauge

Info

Publication number: CN209858130U
Application number: CN201920794536.3U
Authority: CN
Inventors: 陈校波; 陈鑫; 戴志鹏; 叶峰
Original assignee: ZHEJIANG WEIBANG MECHANICAL AND ELECTRICAL TECHNOLOGY Co Ltd
Current assignee: ZHEJIANG WEIBANG MECHANICAL AND ELECTRICAL TECHNOLOGY Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2019-12-27
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a pressure gauge aims at solving the manometer structure complicacy, and the antidetonation effect is poor, and is not enough of easy damage. The utility model discloses an including the base, install the dial plate on the base, install the pointer on the dial plate, be equipped with the mount pad in the base, the pressure chamber, be equipped with the inlet port with the pressure chamber intercommunication on the base, install the spring on the mount pad, can be on the mount pad gliding slider, the spring butt is on the slider, be equipped with the rack on the slider, install the gear in the base, rack and gear engagement transmission, the gear is connected with the pointer, be equipped with the push rod with spring looks remote site on the slider, connect the sealing plug on the push rod, sealing plug seal installation can slide in the pressure chamber. The pressure gauge is simple in structure, convenient to assemble, good in anti-seismic effect and not easy to damage.

Description

Pressure gauge

Technical Field

The utility model relates to a pressure detection instrument, more specifically say, it relates to a manometer.

Background

The spring tube type pressure gauge is characterized in that a spring tube is arranged in a shell, one end of the spring tube is fixed, the other end of the spring tube is a closed free end, the free end is connected with a connecting rod, the other end of the connecting rod is a sector gear, the gear is meshed with a central shaft, and a pointer is fixed on the central shaft. When the spring tube is pressed, the free end of the spring tube is deformed, so that the pointer is driven to rotate. The pressure gauge is complex in structure and poor in anti-seismic effect, and the pressure gauge is easy to damage in case of falling or impact.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the manometer structure is complicated, and the antidetonation effect is poor, and is not enough of easy damage provides a manometer, its simple structure, and the equipment is convenient, and the antidetonation is effectual, and is not fragile.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a pressure gauge, the on-line screen storage device comprises a base, install the dial plate on the base, install the pointer on the dial plate, be equipped with the mount pad in the base, the pressure chamber, be equipped with the inlet port with the pressure chamber intercommunication on the base, install the spring on the mount pad, can be on the mount pad gliding slider, the spring butt is on the slider, be equipped with the rack on the slider, install the gear in the base, rack and gear engagement transmission, the gear is connected with the pointer, be equipped with the push rod with the spring looks remote site on the slider, connect the sealing plug on the push rod, sealing plug seal installation.

When the pressure gauge is used, when the air pressure enters the pressure cavity through the air inlet, the pressure of the air pressure acting on the sealing plug is larger than the elastic force of the spring, the sliding block is pushed to the side of the spring, the rack on the sliding block drives the gear to rotate, so that the pointer is driven to rotate, and the pointer faces to the scale on the dial plate to indicate the pressure. But slider slidable mounting is on the mount pad, and the installation is reliable, and the manometer slides in-process or can not shift when receiving the striking for the rack can not break away from with the gear, guarantees drive mechanism's reliability. The sliding block is provided with a push rod, the push rod is connected with a sealing plug, and the sealing plug is hermetically arranged in the pressure cavity and can slide in the pressure cavity, so that the sliding block can slide stably. The pressure gauge is simple in structure, convenient to assemble, good in anti-seismic effect and not easy to damage.

Preferably, a transparent face mask is mounted on the dial. The face guard plays fine guard action to the dial plate, has guaranteed the reliability of whole manometer structure simultaneously.

Preferably, a positioning disc is arranged on the push rod, a T-shaped head is arranged at the end, far away from the sliding block, of the push rod, a T-shaped hole is formed in the sealing plug, the T-shaped head is tightly installed in the T-shaped hole, and the sealing plug is supported on the positioning disc. The positioning plate is beneficial to the stable movement of the push rod. The T-shaped head is reliably connected with the T-shaped hole on the sealing plug, so that the sealing plug is prevented from being separated from the push rod.

Preferably, the two sides of the sliding block are respectively provided with a limiting convex rib protruding downwards, and the mounting seat is mounted between the two limiting convex ribs in an adaptive mode. The two limiting convex ribs limit the sliding block, so that the sliding block is prevented from moving in the sliding process or when being impacted.

Preferably, the mounting seat comprises two oppositely arranged guide ribs and a connecting plate connected between the two guide ribs, the spring is mounted between the two guide ribs, and the end part of the spring abuts against the connecting plate. The spring is installed between two direction muscle, and the tip butt has guaranteed the steady reliable installation of spring on the connecting plate.

Preferably, a limiting plate which extends outwards and is used for blocking the limiting slide block is arranged on the outer wall of one guiding rib. The limiting plate limits the sliding block, and prevents the pointer from exploding due to the fact that the gear wheel passes through the head.

Preferably, a cylindrical detection head extending downwards is arranged on the lower surface of the base, and the air inlet hole is formed in the detection head. The detection head is arranged to facilitate the detection operation of the pressure gauge on the air pressure.

Preferably, the base is provided with an avoiding groove at a position corresponding to the pressure cavity, and the avoiding groove is connected with the sealing cover in a sealing manner. The avoiding groove is convenient for the core pulling of the die, and the sealing cover ensures the sealing performance of the pressure cavity.

Preferably, a vent hole is formed between the upper end of the air inlet on the base and the pressure cavity, the vent hole and the pressure cavity are communicated to the bottom surface of the avoiding groove, and a vent groove is formed between the vent hole on the bottom surface of the avoiding groove and the pressure cavity. The air inlet hole and the pressure cavity are communicated through the air vent and the air vent groove, the structure is simple, and the processing is convenient.

Preferably, a supporting pressing plate is installed between the dial plate and the base, an upper rotary column and a lower rotary column are arranged on the gear, a concave hole is formed in the bottom of the base, a through hole is formed in the supporting pressing plate, the lower end of the lower rotary column is rotatably installed in the concave hole, and the upper rotary column penetrates through the through hole and the dial plate and is connected with the pointer. The support pressing plate is favorable for improving the structural strength of the whole pressure gauge. The concave hole and the through hole are used for limiting the radial position of the gear, and the stability of the gear in rotation is guaranteed.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure gauge is simple in structure, convenient to assemble, good in anti-seismic effect and not easy to damage.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a longitudinal sectional view of the present invention;

FIG. 3 is a schematic view of the internal structure of the base of the present invention;

fig. 4 is a transverse cross-sectional view of the present invention;

fig. 5 is a cross-sectional view of the base of the present invention;

fig. 6 is a schematic structural diagram of the slider of the present invention;

in the figure: 1. dial plate, 2, pointer, 3, pressure chamber, 4, air inlet, 5, spring, 6, slider, 7, rack, 8, gear, 9, push rod, 10, sealing plug, 11, face guard, 12, positioning disk, 13, T-shaped head, 14, pressure accumulation ring groove, 15, spacing convex rib, 16, connecting lug, 17, reinforcing plate, 18, guide rib, 19, connecting plate, 20, spacing plate, 21, detection head, 22, avoiding groove, 23, sealing cover, 24, vent hole, 25, vent groove, 26, supporting pressure plate, 27, upper rotary column, 28, lower rotary column, 29, concave hole, 30, supporting column, 31, plug column, 32, jack, 33, positioning column, 34, positioning hole, 35, outer convex ring, 36, inner convex ring, 37, connecting rib, 38, base.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): a pressure gauge (see attached figures 1 to 6) comprises a base 38 and a dial plate 1 arranged on the base, wherein the base is of a round box-shaped structure, a pointer 2 is arranged on the dial plate, arc-shaped scale marks are arranged on the upper surface of the dial plate, a transparent face cover 11 is arranged on the dial plate, and the face cover is tightly connected with the base. Be equipped with mount pad, pressure chamber 3 in the base, the cavity of pressure chamber is the round hole shape, is equipped with the inlet port 4 with the pressure chamber intercommunication on the base, is equipped with the cylindricality of downwardly extending on the base lower surface and detects head 21, and the inlet port setting is detecting overhead. The mounting seat is provided with a spring 5 and a sliding block 6 capable of sliding on the mounting seat, the spring is abutted against the sliding block, the sliding block is provided with a rack 7, a gear 8 is mounted in the base, the rack is in meshing transmission with the gear, the gear is connected with a pointer, a push rod 9 is arranged at the opposite end of the sliding block and the spring, the push rod is connected with a sealing plug 10, and the sealing plug is hermetically mounted in the pressure cavity and can slide in the pressure cavity.

The push rod is provided with a positioning disc 12, the end of the push rod, far away from the sliding block, is provided with a T-shaped head 13, the sealing plug is provided with a T-shaped hole, the T-shaped head is tightly installed in the T-shaped hole, and the sealing plug is supported on the positioning disc. The lower surface of the sealing plug is provided with a pressure storage ring groove 14, and the outer diameter of the sealing plug gradually increases in the direction away from the sliding block. The slider both sides all are equipped with downward convex spacing protruding muscle 15, and the mount pad adaptation is installed between two spacing protruding muscle. The slider both ends all are equipped with downwardly extending's engaging lug 16, connect reinforcing plate 17 between two engaging lugs, and the push rod is connected on an engaging lug, connects the cylinder on another engaging lug, and spring suit is on the cylinder and the tip butt guarantees the stability of spring under compression state on the engaging lug. The mounting seat comprises two oppositely arranged guide ribs 18 and a connecting plate 19 connected between the two guide ribs, the spring is mounted between the two guide ribs, and the end part of the spring is abutted against the connecting plate. Be equipped with columniform fixing base on the connecting plate, the spring suit is on the fixing base, is favorable to the stability of spring under compression state. The two guide ribs are arranged between the two limiting convex ribs, and the outer walls of the guide ribs are attached to the inner walls of the limiting convex ribs. And a limiting plate 20 which extends outwards and is used for blocking the limiting slide block is arranged on the outer wall of one guiding rib.

An avoiding groove 22 is arranged on the base corresponding to the pressure cavity, and the avoiding groove is hermetically connected with a sealing cover 23. A vent hole 24 is arranged between the upper end of the air inlet on the base and the pressure cavity, the vent hole and the pressure cavity are communicated to the bottom surface of the avoiding groove, and a vent groove 25 is arranged between the vent hole on the bottom surface of the avoiding groove and the pressure cavity. A supporting pressure plate 26 is arranged between the dial plate and the base, an upper rotary column 27 and a lower rotary column 28 are arranged on the gear, a concave hole 29 is formed in the bottom of the base, a through hole is formed in the supporting pressure plate, the lower end of the lower rotary column is rotatably arranged in the concave hole, and the upper rotary column penetrates through the through hole and the dial plate and is connected with the pointer. Three support columns 30 are uniformly distributed in the base, inserting columns 31 are arranged at the upper ends of the support columns, a plurality of inserting holes 32 are formed in the support pressure plate and correspond to the support columns one by one, the inserting columns are inserted into the inserting holes in a matched mode, and the support pressure plate is supported on the upper end faces of the support columns; the upper surface of the supporting pressure plate is provided with a positioning column 33, the dial plate and the positioning column are correspondingly provided with positioning holes 34, and the positioning column is inserted into the positioning holes in a matching mode. An outer convex ring 35 and an inner convex ring 36 are arranged on the upper surface of the supporting pressure plate, three connecting ribs 37 are uniformly connected between the inner convex ring and the outer convex ring, the outer convex ring is arranged on the outer edge of the supporting pressure plate, and the inner convex ring is close to the through hole.

When the pressure gauge is used, when the air pressure enters the pressure cavity through the air inlet, the pressure of the air pressure acting on the sealing plug is larger than the elastic force of the spring, the sliding block is pushed to the side of the spring, the rack on the sliding block drives the gear to rotate, so that the pointer is driven to rotate, and the pointer faces to the scale on the dial plate to indicate the pressure. But slider slidable mounting is on the mount pad, and the installation is reliable, and two direction muscle are arranged in between two spacing protruding muscle, and direction muscle outer wall and the laminating of spacing protruding muscle inner wall, and the manometer slides the in-process and can not shift when perhaps receiving the striking for the rack can not break away from with the gear, guarantees drive mechanism's reliability. The sliding block is provided with a push rod, the push rod is connected with a sealing plug, and the sealing plug is hermetically arranged in the pressure cavity and can slide in the pressure cavity, so that the sliding block can slide stably. The pressure gauge is simple in structure, convenient to assemble, good in anti-seismic effect and not easy to damage.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The utility model provides a pressure gauge, the on-line screen storage device comprises a base, install the dial plate on the base, install the pointer on the dial plate, the high pressure water heater is characterized by, be equipped with the mount pad in the base, the pressure chamber, be equipped with the inlet port with the pressure chamber intercommunication on the base, install the spring on the mount pad, can be on the mount pad gliding slider, the spring butt is on the slider, be equipped with the rack on the slider, install the gear in the base, rack and gear engagement transmission, the gear is connected with the pointer, be equipped with the push rod with the spring looks remote site on the slider, connect the sealing plug on the.

2. A pressure gauge according to claim 1, wherein the face of the dial is provided with a transparent face shield.

3. A pressure gauge according to claim 1, wherein the plunger is provided with a locating plate, the end of the plunger remote from the slider is provided with a T-shaped head, the sealing plug is provided with a T-shaped hole, the T-shaped head is tightly fitted in the T-shaped hole, and the sealing plug is supported on the locating plate.

4. The pressure gauge according to claim 1, wherein the slider has downwardly projecting limit ribs on both sides thereof, and the mounting seat is fittingly mounted between the limit ribs.

5. A pressure gauge according to claim 1, wherein the mounting block comprises two oppositely disposed guide ribs, and a connecting plate connected between the two guide ribs, the spring being mounted between the two guide ribs, the end of the spring abutting against the connecting plate.

6. A pressure gauge according to claim 5, wherein a stopper extending outward for stopping the stopper slider is provided on an outer wall of a guide rib.

7. A pressure gauge according to any one of claims 1 to 6, wherein a downwardly extending cylindrical test head is provided on the lower surface of the base, and the air inlet is provided in the test head.

8. A pressure gauge according to any one of claims 1 to 6, wherein an avoiding groove is provided in the base at a position corresponding to the pressure chamber, and the avoiding groove is sealingly connected to the sealing cover.

9. The pressure gauge according to claim 8, wherein a vent hole is formed in the base between an upper end of the vent hole and the pressure chamber, the vent hole and the pressure chamber are communicated with a bottom surface of the avoiding groove, and a vent groove is formed between the vent hole and the pressure chamber in the bottom surface of the avoiding groove.

10. A pressure gauge according to any one of claims 1 to 6, wherein a support pressure plate is provided between the dial and the base, the gear is provided with an upper rotary post and a lower rotary post, the base is provided with a recess at the bottom thereof, the support pressure plate is provided with a through hole, the lower end of the lower rotary post is rotatably mounted in the recess, and the upper rotary post penetrates the through hole and the dial and is connected to the pointer.