CN215598596U

CN215598596U - Pressure gauge with protection function

Info

Publication number: CN215598596U
Application number: CN202123119850.8U
Authority: CN
Inventors: 宋春光
Original assignee: Shandong Shangjian Measurement And Testing Co ltd
Current assignee: Shandong Shangjian Measurement And Testing Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-01-21
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a pressure gauge with a protection function, which comprises a protection cavity cylinder, a top rotary-connection outer cylinder, a bottom rotary-pressing cylinder, a top rotary-connection inner cylinder, a pressure gauge main body and a bottom rotary-connection inner cylinder, wherein the top of the protection cavity cylinder is integrally connected with the top rotary-connection outer cylinder, the top rotary-connection inner cylinder is rotatably connected with the top rotary-connection outer cylinder, the top of the top rotary-connection inner cylinder is connected with and provided with the pressure gauge main body, a protection cavity is arranged inside the protection cavity cylinder, an internal-pressure ring piece is arranged inside the protection cavity, a funnel cover ring edge is arranged below the internal-pressure ring piece, an inverted funnel wall is arranged on the funnel cover ring edge, the bottom of the protection cavity cylinder is rotatably connected with the bottom rotary-pressing cylinder, and the bottom of the bottom rotary-pressing cylinder is integrally connected with the bottom rotary-connection inner cylinder. Has the advantages that: the utility model can adjust the air gap according to the air flow and the pressure, can effectively protect the internal devices of the pressure gauge main body, and has convenient disassembly and replacement of the internal cone.

Description

Pressure gauge with protection function

Technical Field

The utility model relates to the field of pressure gauge devices, in particular to a pressure gauge with a protection function.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very commonly applied, almost extends to all the fields of industrial processes and scientific researches, and particularly in the process of industrial process control and technical measurement, because the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like, the mechanical pressure gauge is more and more widely applied, and sometimes the internal elements are damaged by overlarge gas impact during gas pressure detection.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a pressure gauge with a protection function to solve the above problems.

The utility model realizes the purpose through the following technical scheme:

a pressure gauge with a protection function comprises a protection cavity cylinder, a top rotary connection outer cylinder, a bottom rotary pressing cylinder, a top rotary connection inner cylinder, a pressure gauge main body and a bottom rotary connection inner cylinder, wherein the top of the protection cavity cylinder is integrally connected with the top rotary connection outer cylinder, the top rotary connection outer cylinder is in rotary connection with the top rotary connection inner cylinder, the top of the top rotary connection inner cylinder is connected with the pressure gauge main body, a protection cavity is arranged inside the protection cavity cylinder, an internal pressure ring piece is arranged inside the protection cavity, a funnel cover ring edge is arranged below the internal pressure ring piece, a reversed funnel wall is arranged on the funnel cover ring edge, the bottom of the protection cavity cylinder is in rotary connection with the bottom rotary pressing cylinder, the bottom of the bottom rotary pressing cylinder is integrally connected with the bottom rotary connection inner cylinder, a plurality of shaft holes are formed in the reversed funnel wall, and a vertically arranged elastic telescopic shaft is fixedly arranged in each shaft hole, the bottom fixed mounting of elasticity telescopic shaft has the conical body, the top connects the outside section of thick bamboo wall of inner tube soon to establish to be fixed with the top and connects a section of thick bamboo clamping ring soon, the top backing ring is installed to the bottom surface of a top rotary joint section of thick bamboo clamping ring, the cover is established and is fixed with a spinning section of thick bamboo clamping ring on the outside section of thick bamboo wall of bottom spinning section of thick bamboo, the bottom backing ring is installed to the top surface of spinning section of thick bamboo clamping ring.

Furthermore, the elastic telescopic shaft is composed of a shaft cavity piece and an inserting shaft piece, a shaft cavity is arranged inside the shaft cavity piece, one end of the inserting shaft piece is inserted into the shaft cavity and inserted into the shaft cavity, an inner cavity limiting ring is installed on the inserting shaft piece in the shaft cavity, and a compression spring is installed on the top support of the inner cavity limiting ring.

Furthermore, the inner side ring surface of the inner pressure ring piece is a conical surface, and a limit ring pad is arranged at the top of the limiting ring in the cavity.

Furthermore, a bottom internal thread is arranged on the outer cylinder wall of the bottom spinning cylinder above the spinning cylinder compression ring, the bottom spinning cylinder is screwed to the inner cylinder wall of the protective cavity cylinder through the bottom internal thread, and the top of the bottom spinning cylinder is pressed against the ring edge of the funnel cover.

Furthermore, a top internal thread is arranged on the outer cylinder wall of the top rotary-connection inner cylinder below the top rotary-connection cylinder compression ring, and the top rotary-connection inner cylinder is connected to the inside of the top rotary-connection outer cylinder in a rotary mode through the top internal thread.

In the above-mentioned structure, connect the inner tube soon with the bottom and connect to the monitoring pipeline on, then gaseous connects the inner tube entering soon through the bottom, when gaseous just got into, if the air current is too fast, atmospheric pressure is too big, and the conical body pressurized moves up, and its and fall between the hopper wall clearance diminish to it is little through the instantaneous air input of top meet the inner tube soon, and the air current impact force that gets into the manometer is little, protects interior device.

Has the advantages that: the pressure gauge with the protection function can adjust the air gap according to the air flow and the pressure, can effectively protect devices inside the main body of the pressure gauge, and is convenient to disassemble and replace an inner cone.

Drawings

FIG. 1 is an external view of a pressure gauge with a protection function according to the present invention;

FIG. 2 is a schematic view of the upper surface of a pressure gauge with a protection function according to the present invention;

FIG. 3 is a schematic view of the inside of a protection chamber of a pressure gauge with protection function according to the present invention;

FIG. 4 is a schematic view of an elastic telescopic shaft of a pressure gauge with a protection function according to the present invention.

The reference numerals are explained below:

1. a protective cavity cylinder; 2. the top is connected with the outer cylinder in a screwing way; 3. a bottom spinning cylinder; 4. the top is connected with the inner cylinder in a rotating way; 5. a pressure gauge main body; 6. the bottom is connected with the inner cylinder in a rotating way; 7. pressing a ring by using a spinning cylinder; 8. the top is connected with a barrel compression ring in a rotating way; 9. a top grommet; 10. a top internal thread; 11. a bottom grommet; 12. an internal pressure ring piece; 13. the funnel cover is annularly arranged; 14. a reverse funnel wall; 15. an elastic telescopic shaft; 16. bottom internal threads; 17. a conical body; 18. a shaft cavity member; 19. an intracavity limiting ring; 20. a shaft insertion member; 21. a limit ring pad; 22. compressing the spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-4, a pressure gauge with a protection function comprises a protection cavity cylinder 1, a top rotary connection outer cylinder 2, a bottom rotary pressing cylinder 3, a top rotary connection inner cylinder 4, a pressure gauge main body 5 and a bottom rotary connection inner cylinder 6;

the top of the protection cavity barrel 1 is integrally connected with a top rotary connection outer barrel 2, the top rotary connection outer barrel 2 is rotatably connected with a top rotary connection inner barrel 4, the top of the top rotary connection inner barrel 4 is connected with and provided with a pressure gauge main body 5, a protection cavity is arranged inside the protection cavity barrel 1, an internal pressure ring piece 12 is arranged inside the protection cavity, a funnel cover ring edge 13 is arranged below the internal pressure ring piece 12, an inverted funnel wall 14 is arranged on the funnel cover ring edge 13, the bottom of the protection cavity barrel 1 is rotatably connected with a bottom rotary pressing barrel 3, and the bottom of the bottom rotary pressing barrel 3 is integrally connected with a bottom rotary connection inner barrel 6;

a plurality of shaft holes are formed in the inverted funnel wall 14, an elastic telescopic shaft 15 which is vertically arranged is fixedly installed in each shaft hole, and a conical body 17 is fixedly installed at the bottom of each elastic telescopic shaft 15;

the top connects the cover to establish on the outside section of thick bamboo wall of inner tube 4 soon and is fixed with top and connects a section of thick bamboo clamping ring 8 soon, and top backing ring 9 is installed to the bottom surface that a section of thick bamboo clamping ring 8 was connected soon in the top, and the cover is established on the outside section of thick bamboo wall of bottom spinning section of thick bamboo 3 and is fixed with spinning section of thick bamboo clamping ring 7, and bottom backing ring 11 is installed to the top surface of spinning section of thick bamboo clamping ring 7.

In this embodiment, the elastic telescopic shaft 15 is composed of a shaft cavity part 18 and an inserting shaft part 20, the shaft cavity is arranged inside the shaft cavity part 18, one end of the inserting shaft part 20 is inserted into the shaft cavity, an inner cavity limiting ring 19 is installed on the inserting shaft part 20 inserted into the shaft cavity, and a compression spring 22 is installed on the top support of the inner cavity limiting ring 19.

In this embodiment, the inner annular surface of the inner pressure ring member 12 is a conical surface, and a stop ring pad 21 is mounted on the top of the intracavity stop ring 19.

In this embodiment, the outer cylinder wall of the bottom spinning cylinder 3 above the spinning cylinder pressing ring 7 is provided with a bottom internal thread 16, the bottom spinning cylinder 3 is screwed to the inner cylinder wall of the protection cavity cylinder 1 through the bottom internal thread 16, and the top of the bottom spinning cylinder 3 is pressed against the funnel cover ring edge 13.

In this embodiment, the top screwed inner cylinder 4 below the top screwed cylinder compression ring 8 is provided with a top internal thread 10 on the outer cylinder wall, and the top screwed inner cylinder 4 is screwed to the inside of the top screwed outer cylinder 2 through the top internal thread 10.

In the above-mentioned structure, connect inner tube 6 soon with the bottom and connect to the monitoring tube way on, then gaseous connects inner tube 6 entering soon through the bottom, when gaseous just entered, if the air current is too fast, atmospheric pressure is too big, and conical body 17 pressurized moves up, and its and fall between the funnel wall clearance diminish to it is little to connect the instantaneous air input of inner tube soon through the top, and the air current impact force that gets into the manometer is little, protects interior device.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take protect function's manometer which characterized in that: the anti-leakage device comprises a protective cavity barrel (1), a top rotary connection outer barrel (2), a bottom rotary pressing barrel (3), a top rotary connection inner barrel (4), a pressure gauge main body (5) and a bottom rotary connection inner barrel (6), wherein the top of the protective cavity barrel (1) is integrally connected with the top rotary connection outer barrel (2), the top rotary connection outer barrel (2) is connected with the top rotary connection inner barrel (4), the top rotary connection inner barrel (4) is connected with the top rotary connection inner barrel (5), the pressure gauge main body (5) is connected with the top of the top rotary connection inner barrel (4), a protective cavity is arranged in the protective cavity barrel (1), an inner pressure ring piece (12) is arranged in the protective cavity, a funnel cover ring edge (13) is arranged below the inner pressure ring piece (12), a reverse funnel wall (14) is arranged on the funnel cover ring edge (13), the bottom of the protective cavity barrel (1) is rotatably connected with the bottom rotary pressing barrel (3), the bottom rotary pressing barrel (3) is integrally connected with the bottom rotary connection inner barrel (6), the reverse funnel wall (14) is provided with a plurality of shaft hole, the elastic telescopic shaft (15) of vertical setting is fixedly installed in the shaft hole, the bottom fixed mounting of elastic telescopic shaft (15) has conical body (17), the top is revolved and is established and be fixed with top and revolve and connect a section of thick bamboo clamping ring (8) on the outside section of thick bamboo wall of inner tube (4), top revolves the bottom surface that connects a section of thick bamboo clamping ring (8) and installs top backing ring (9), the cover is established and is fixed with spinning section of thick bamboo clamping ring (7) on the outside section of thick bamboo wall of bottom spinning section of thick bamboo (3), bottom backing ring (11) are installed to the top surface of spinning section of thick bamboo clamping ring (7).

2. The pressure gauge with the protection function according to claim 1, wherein: elastic expansion shaft (15) are by axle chamber spare (18) and insert axle spare (20) and constitute, the inside of axle chamber spare (18) is equipped with the axle chamber, the one end of inserting axle spare (20) is inserted and is established the axle intracavity install intracavity spacing ring (19) on inserting axle spare (20), compression spring (22) are installed in the top support of intracavity spacing ring (19).

3. The pressure gauge with the protection function according to claim 2, wherein: the inner side ring surface of the inner pressure ring piece (12) is a conical surface, and a limit ring pad (21) is arranged at the top of the limiting ring (19) in the cavity.

4. The pressure gauge with the protection function according to claim 1, wherein: the bottom spinning barrel is characterized in that a bottom internal thread (16) is arranged on the outer barrel wall of the bottom spinning barrel (3) above the spinning barrel pressing ring (7), the bottom spinning barrel (3) is connected to the inner barrel wall of the protection cavity barrel (1) in a spinning mode through the bottom internal thread (16), and the top of the bottom spinning barrel (3) is pressed onto the funnel cover ring edge (13).

5. The pressure gauge with the protection function according to claim 1, wherein: the top rotary-connection inner cylinder (4) is characterized in that a top internal thread (10) is arranged on the outer cylinder wall of the top rotary-connection inner cylinder (4) below the top rotary-connection cylinder compression ring (8), and the top rotary-connection inner cylinder (4) is connected to the inside of the top rotary-connection outer cylinder (2) in a rotary mode through the top internal thread (10).