CN211855680U

CN211855680U - Anti-freezing pressure gauge

Info

Publication number: CN211855680U
Application number: CN201922254580.8U
Authority: CN
Inventors: 华瑛; 杨明华; 陈小红; 陈洁
Original assignee: Hangzhou Huake Instrument Co ltd
Current assignee: Hangzhou Huake Instrument Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-11-03
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a manometer technical field especially relates to a manometer prevents frostbite, including the manometer body, the outside of manometer body is provided with the safety cover and matches the closing cap that uses with the safety cover, is provided with coupling mechanism between safety cover and the closing cap, and coupling mechanism is including seting up the ring groove at safety cover top opening part, and the bottom in ring groove is provided with the magnetic stripe, and the bottom opening part fixedly connected with metal ring of closing cap, metal ring can insert the ring inslot. Through setting up safety cover and closing cap, wrap up the manometer inside the two to the inside of safety cover and closing cap is provided with the heat preservation, can completely cut off external low temperature, avoids the manometer to be frozen out when winter, and links to each other through the magnetic stripe between safety cover and the closing cap, makes the connection between the two more nimble, the utility model discloses, through setting up safety cover and closing cap, can protect the manometer, prevent that the manometer from being frozen out when winter, the practicality is strong, is fit for promoting.

Description

Anti-freezing pressure gauge

Technical Field

The utility model relates to a manometer technical field especially relates to a manometer prevents frostbite.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.

However, when the existing pressure gauge is used, the external environment temperature is very low under the condition of winter, so that the pressure gauge is easy to frost crack and damage under the low-temperature state, and in order to prolong the service life of the pressure gauge and prevent the pressure gauge from being frost crack in winter, an anti-freezing pressure gauge is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the antifreezing capacity of the pressure gauge is poor in the prior art, and the pressure gauge is easy to be frozen and cracked in winter, and provides an antifreezing pressure gauge.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a design manometer prevents frostbite, includes the manometer body, the outside of manometer body is provided with the safety cover and matches the closing cap that uses with the safety cover, be provided with coupling mechanism between safety cover and the closing cap, coupling mechanism is including seting up the ring groove at safety cover top opening part, the bottom in ring groove is provided with the magnetic stripe, the bottom opening part fixedly connected with metal ring of closing cap, metal ring can insert the ring inslot, and metal ring adsorbs on the magnetic stripe, it has the double faced adhesive tape to paste on the inner wall of safety cover, the safety cover is pasted on the manometer body under the effect of double faced adhesive tape, safety cover and closing cap include heat preservation and shell, the fixed adhesion of heat preservation is on the inner wall of shell.

Preferably, a silica gel layer is fixedly adhered to the inner wall of the heat insulation layer, and the double-sided adhesive is adhered to the silica gel layer and is mutually adhered to the pressure gauge body.

Preferably, the heat preservation layer comprises a foam layer and a rock wool heat preservation plate, and the rock wool heat preservation plate is clamped between the two foam layers.

Preferably, the side walls of the protective cover and the sealing cover are fixedly provided with connecting pieces, and a rubber rope is fixedly connected between the two connecting pieces.

Preferably, a sealing rubber ring is clamped between the protective cover and the sealing cover.

The utility model provides a pair of manometer prevents frostbite, beneficial effect lies in: this manometer prevents frostbite through setting up safety cover and closing cap, wraps up the manometer inside the two to the inside of safety cover and closing cap is provided with the heat preservation, can completely cut off external low temperature, avoids the manometer to be frozen out when winter, and links to each other through the magnetic stripe between safety cover and the closing cap, makes the connection between the two more nimble, the utility model discloses, through setting up safety cover and closing cap, can protect the manometer, prevent that the manometer from being frozen out when winter, the practicality is strong, is fit for promoting.

Drawings

Fig. 1 is a schematic front view of an anti-freezing pressure gauge according to the present invention;

fig. 2 is a schematic side view of an anti-freezing pressure gauge according to the present invention;

FIG. 3 is an enlarged view of the part A of FIG. 2;

fig. 4 is the utility model provides a heat preservation section structure schematic diagram of manometer prevents frostbite.

In the figure: 1 manometer body, 2 safety covers, 3 closing caps, 4 ring grooves, 5 magnetic stripes, 6 metal ring, 7 double faced adhesive tape, 8 silica gel layers, 9 heat preservation layers, 10 shells, 11 foam layers, 12 rock wool heated board, 13 connecting pieces, 14 rubber ropes, 15 sealing rubber ring.

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.

Example 1

Referring to fig. 1-4, an anti-freezing pressure gauge comprises a pressure gauge body 1, a protective cover 2 and a sealing cover 3 matched with the protective cover 2 are arranged on the outer side of the pressure gauge body 1, a sealing rubber ring 15 is clamped between the protective cover 2 and the sealing cover 3, and the sealing rubber ring 15 can play a good sealing role, so that the protective cover 2 and the sealing cover 3 are connected more tightly.

Be provided with coupling mechanism between safety cover 2 and the closing cap 3, coupling mechanism is including seting up ring groove 4 at 2 top opening parts of safety cover, the bottom in ring groove 4 is provided with magnetic stripe 5, the bottom opening part fixedly connected with metal ring 6 of closing cap 3, metal ring 6 can insert ring groove 4, and metal ring 6 adsorbs on magnetic stripe 5, metal ring 6 inserts and establishes in ring groove 4, and metal ring 6 inhales with magnetic stripe 5 mutually, thereby make closing cap 3 adsorb on safety cover 2.

Paste on the inner wall of safety cover 2 and have double faced adhesive tape 7, safety cover 2 is pasted on manometer body 1 under double faced adhesive tape 7's effect, safety cover 2 and closing cap 3 include heat preservation 9 and shell 10, heat preservation 9 is fixed to be pasted on the inner wall of shell 10, heat preservation 9 includes foam blanket 11 and rock wool heated board 12, rock wool heated board 12 cartridge connects between two foam blankets 11, under heat preservation 9's effect, can completely cut off the influence of external low temperature to the manometer, avoid the manometer to be frozen out when winter, foam blanket 11 and rock wool heated board 12 have good thermal-insulated heat preservation effect outside this.

Example 2

Referring to fig. 2, as the utility model discloses a another preferred embodiment, the difference with embodiment 1 lies in, fixed bonding has silica gel layer 8 on the inner wall of heat preservation 9, double faced adhesive tape 7 is pasted on silica gel layer 8, and with the mutual adhesion of manometer body 1, fixedly on the lateral wall of safety cover 2 and closing cap 3 be provided with connecting piece 13, fixedly connected with rubber rope 14 between two connecting pieces 13, manometer body 1 can be protected in silica gel layer 8's setting, the manometer of taking refuge is collided and is damaged, and connecting piece 13 and rubber rope 14's setting, can connect closing cap 3 on safety cover 2, avoid closing cap 3 to lose.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The anti-freezing pressure gauge comprises a pressure gauge body (1) and is characterized in that a protective cover (2) and a sealing cover (3) matched with the protective cover (2) are arranged on the outer side of the pressure gauge body (1), a connecting mechanism is arranged between the protective cover (2) and the sealing cover (3), the connecting mechanism comprises a circular groove (4) formed in the top opening of the protective cover (2), a magnetic stripe (5) is arranged at the bottom end of the circular groove (4), a metal circular ring (6) is fixedly connected with the bottom opening of the sealing cover (3), the metal circular ring (6) can be inserted into the circular groove (4), the metal circular ring (6) is adsorbed on the magnetic stripe (5), a double-faced adhesive tape (7) is adhered on the inner wall of the protective cover (2), and the protective cover (2) is adhered on the pressure gauge body (1) under the action of the double-faced adhesive tape (7), the protective cover (2) and the sealing cover (3) comprise a heat-insulating layer (9) and a shell (10), and the heat-insulating layer (9) is fixedly adhered to the inner wall of the shell (10).

2. The anti-freezing pressure gauge according to claim 1, wherein a silica gel layer (8) is fixedly adhered to the inner wall of the heat insulation layer (9), and the double-sided adhesive tape (7) is adhered to the silica gel layer (8) and is adhered to the pressure gauge body (1).

3. An anti-freezing pressure gauge according to claim 1, characterized in that the insulation layer (9) comprises a foam layer (11) and a rock wool insulation board (12), the rock wool insulation board (12) being sandwiched between the two foam layers (11).

4. An anti-freezing pressure gauge according to claim 1, characterized in that the side walls of the protective cover (2) and the cover (3) are fixedly provided with connecting pieces (13), and a rubber rope (14) is fixedly connected between the two connecting pieces (13).

5. An anti-freeze pressure gauge according to claim 1, characterized in that a sealing rubber ring (15) is clamped between the protective cover (2) and the cover (3).