CN213239293U - Overpressure-resistant bourdon tube pressure gauge - Google Patents

Abstract

The utility model discloses a spring tube pressure gauge of resistant superpressure relates to pressure and becomes technical field, including the manometer, the pointer is installed to the terminal surface of manometer, and the inner wall of manometer is provided with the calibrated scale, the top of manometer is connected with pressure pipe, and the bottom mounting of pressure pipe has the joint, the inside of manometer is provided with the spring tube, and the bottom of spring tube is connected with the connecting rod, one side of connecting rod is connected with the core, the inside of pressure pipe is provided with pressure detection mechanism, and the bottom of pressure detection mechanism is connected with the telescopic link. The utility model discloses a set up pressure measurement, telescopic link, removal stopper, pipe and collection box, effectively solved the manometer and had the problem that the manometer transfinites pressure and damages the manometer, through setting up sealed piece, sealed pad, a fixture block and No. two fixture blocks, effectively solved the easy problem that leads to the manometer reading inaccurate of leaking of pressure meter connector junction.

Description

Overpressure-resistant bourdon tube pressure gauge

Technical Field

The utility model relates to a manometer technical field specifically is a spring pipe manometer of resistant superpressure.

Background

The traditional mechanical pressure gauge has the working principle that a spring tube senses the pressure of a measured medium to deform, a sector gear connected with the spring tube rotates, and a machine core matched with the sector gear rotates along with the sector gear to drive a gauge needle to deflect by an angle.

When the existing spring pressure gauge is used, the pressure value under most conditions can be measured, and when the pressure exceeds the limit, the pointer is damaged, so that the service life of the pressure gauge is shortened; secondly, the condition that the existing pressure gauge often leaks at the joint of the joint causes that the reading of the pressure gauge is smaller than the actual value, misleads the operating personnel, thereby causing production accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the existing pressure gauge has the defects that the pressure gauge is damaged due to over-pressure and the joint of the pressure gauge is easy to leak, so that the reading of the pressure gauge is inaccurate, the overpressure resistant spring tube pressure gauge is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an overpressure-resistant bourdon tube pressure gauge comprises a pressure gauge, wherein an indicator is arranged on the end surface of the pressure gauge, and the inner wall of the pressure gauge is provided with a dial scale, the top end of the pressure gauge is connected with a pressure guide pipe, the bottom end of the pressure guide pipe is fixed with a joint, the pressure gauge is internally provided with a spring pipe, the bottom end of the spring tube is connected with a connecting rod, one side of the connecting rod is connected with a machine core, a pressure detection mechanism is arranged in the pressure conduit, the bottom end of the pressure detection mechanism is connected with a telescopic rod, the bottom end of the telescopic rod is fixed with a movable plug, and one side of the telescopic rod is provided with a guide pipe, one side of the guide pipe is provided with a recovery box, the outer wall of the pressure guide pipe is provided with a sealing block, and the inner wall of the sealing block is fixed with a sealing gasket, one side of the sealing block is fixed with a first clamping block, and one side of the first clamping block is positioned in the second group.

Preferably, the pointer is rotatably connected with the pressure gauge through a rotating shaft.

Preferably, the outer wall of the joint is provided with threads, and the joint is fixedly connected with an external pipeline through the threads.

Preferably, the recycling bin is connected with an external recycling device.

Preferably, the sealing gasket is detachably connected with the sealing block through a bolt.

Preferably, the end face of the first clamping block is provided with a convex block, the end face of the second clamping block is provided with a groove, and the inner wall of the groove is matched with the outer wall of the convex block.

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

1. the utility model discloses a set up pressure measurement, the telescopic link, remove the stopper, pipe and collection box, in use, the external gas, the pressure of medium such as liquid is transmitted to removing the stopper through the joint, make to remove the stopper and transmit pressure to pressure measurement mechanism through the telescopic link, pressure measurement mechanism turns into the deformation of spring tube with pressure, thereby make spring tube work connecting rod, connecting rod pulling core action, thereby make the pointer rotate to the position department of corresponding pressure scale interval, after the pressure transfinites, it can move to above the pipe to remove the stopper, the pipe is in the intercommunication state this moment, release the pressure of follow-up medium, make medium such as gas, liquid flow to the collection box, play the transfinite guard action to the manometer, the life of extension manometer, the problem that the manometer has the pressure transfinite damage manometer has effectively been solved;

2. the utility model discloses a set up sealed piece, sealed the pad, a fixture block and No. two fixture blocks, at first, will seal the pad through the bolt and install in sealed piece inner wall, insert a fixture block No. two fixture block inner walls afterwards, the lug of a fixture block can extrude No. two fixture blocks to take place the deformation of certain limit to one side, after the lug of a fixture block contacts with the recess of No. two fixture blocks, No. two fixture blocks reset, the lug is fixed with the recess block, the installation of realizing sealed piece is fixed, the existence of sealed pad simultaneously, make the leakproofness of joint promote, thereby the condition of having avoided pressure to leak takes place, the easy problem that leads to the manometer reading inaccurate of leaking of manometer joint junction has effectively been solved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an internal structural view of the present invention;

fig. 3 is a structure diagram of the sealing block of the present invention.

In the figure: 1. a pressure gauge; 2. a pointer; 3. a dial scale; 4. a pressure conduit; 5. a joint; 6. a spring tube; 7. a connecting rod; 8. a movement; 9. a pressure detection mechanism; 10. a telescopic rod; 11. moving the plug; 12. a conduit; 13. a recycling bin; 14. a sealing block; 15. a gasket; 16. a first clamping block; 17. and a second clamping block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, an overpressure resistant bourdon tube pressure gauge includes a pressure gauge 1, a pointer 2 is installed on an end surface of the pressure gauge 1, a dial 3 is installed on an inner wall of the pressure gauge 1, a pressure conduit 4 is connected to a top end of the pressure gauge 1, a connector 5 is fixed to a bottom end of the pressure conduit 4, a bourdon tube 6 is installed inside the pressure gauge 1, a connecting rod 7 is connected to a bottom end of the bourdon tube 6, a movement 8 is connected to one side of the connecting rod 7, a pressure detection mechanism 9 is installed inside the pressure conduit 4, a telescopic rod 10 is connected to a bottom end of the pressure detection mechanism 9, a movable plug 11 is fixed to a bottom end of the telescopic rod 10, a conduit 12 is installed on one side of the telescopic rod 10, a recycling box 13 is installed on one side of the conduit 12, a sealing block 14 is installed on an outer wall of the pressure conduit 4, a, and a second clamping block 17 is arranged on one side of the first clamping block 16 in the second group of sealing blocks 14.

Please refer to fig. 1, the pointer 2 is rotatably connected to the pressure gauge 1 through a rotating shaft, so that the pointer 2 can rotate conveniently to realize the pressure indication function.

Please refer to fig. 2, the outer wall of the joint 5 is provided with a thread, and the joint 5 is fixedly connected with the external pipeline through the thread, so that the joint 5 is conveniently connected with the external pipeline.

Please refer to fig. 2, the recycling bin 13 is connected to an external recycling device, so that the medium in the recycling bin 13 can be recycled.

Please refer to fig. 3, the sealing gasket 15 is detachably connected to the sealing block 14 by bolts, so as to facilitate the installation and fixation of the sealing gasket 15.

Please refer to fig. 3, a protrusion is disposed on an end surface of the first latch 16, a groove is disposed on an end surface of the second latch 17, and an inner wall of the groove is engaged with an outer wall of the protrusion, so that the first latch 16 and the second latch 17 can be conveniently fastened and fixed.

The working principle is as follows: firstly, the sealing gasket 15 is installed on the inner wall of the sealing block 14 through a bolt, then the first clamping block 16 is inserted into the inner wall of the second clamping block 17, the convex block of the first clamping block 16 can extrude the second clamping block 17 to displace towards one side in a certain range, after the convex block of the first clamping block 16 is contacted with the groove of the second clamping block 17, the second clamping block 17 is reset, the convex block is clamped and fixed with the groove, the installation and the fixation of the sealing block 14 are realized, meanwhile, the sealing performance at the joint 5 is improved due to the existence of the sealing gasket 15, so that the pressure leakage is avoided, when the device is used, the pressure of external gas, liquid and other media is transmitted to the movable plug 11 through the joint 5, so that the movable plug 11 transmits the pressure to the pressure detection mechanism 9 through the telescopic rod 10, the pressure detection mechanism 9 converts the pressure into the deformation of the spring tube 6, so that the spring tube 6 pulls the connecting, thereby make pointer 2 rotate to the position department of corresponding pressure scale value, when pressure transfinites, remove the top that stopper 11 is in pipe 12 this moment, consequently pipe 12 is in the connected state, releases the pressure of follow-up medium for media such as gas, liquid flow direction collection box 13 plays the transfinite guard action to manometer 1, prolongs manometer 1's life.

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.

Claims (6)

1. A spring tube pressure gauge resistant to overpressure, comprising a pressure gauge (1), characterized in that: the end face of the pressure gauge (1) is provided with a pointer (2), the inner wall of the pressure gauge (1) is provided with a dial (3), the top end of the pressure gauge (1) is connected with a pressure guide pipe (4), the bottom end of the pressure guide pipe (4) is fixedly provided with a joint (5), the inside of the pressure gauge (1) is provided with a spring pipe (6), the bottom end of the spring pipe (6) is connected with a connecting rod (7), one side of the connecting rod (7) is connected with a machine core (8), the inside of the pressure guide pipe (4) is provided with a pressure detection mechanism (9), the bottom end of the pressure detection mechanism (9) is connected with a telescopic rod (10), the bottom end of the telescopic rod (10) is fixedly provided with a movable plug (11), one side of the telescopic rod (10) is provided with a guide pipe (12), one side of the guide pipe (12) is provided with a, and the inner wall of sealed piece (14) is fixed with sealed pad (15), one side of sealed piece (14) is fixed with fixture block (16), and one side of fixture block (16) is located the second group the inside of sealed piece (14) is provided with fixture block (17) No. two.

2. A bourdon tube pressure gauge resistant to overpressure as claimed in claim 1, wherein: the pointer (2) is rotatably connected with the pressure gauge (1) through a rotating shaft.

3. A bourdon tube pressure gauge resistant to overpressure as claimed in claim 1, wherein: the outer wall of the joint (5) is provided with threads, and the joint (5) is fixedly connected with an external pipeline through the threads.

4. A bourdon tube pressure gauge resistant to overpressure as claimed in claim 1, wherein: the recycling box (13) is connected with an external recycling device.

5. A bourdon tube pressure gauge resistant to overpressure as claimed in claim 1, wherein: the sealing gasket (15) is detachably connected with the sealing block (14) through a bolt.

6. A bourdon tube pressure gauge resistant to overpressure as claimed in claim 1, wherein: the end face of the first clamping block (16) is provided with a convex block, the end face of the second clamping block (17) is provided with a groove, and the inner wall of the groove is matched with the outer wall of the convex block.

Images