CN216770883U

CN216770883U - Antifreezing pressure gauge

Info

Publication number: CN216770883U
Application number: CN202220320297.XU
Authority: CN
Inventors: 何荣文; 魏晓霞; 王绍武; 黄威超; 孔令慧; 王睿
Original assignee: Zaozhuang Shengke Instrument Co ltd
Current assignee: Zaozhuang Shengke Instrument Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-17
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a pressure gauge capable of preventing freezing, which comprises a shell, wherein a heat preservation seat is fixedly connected to one side of the outer surface of the shell, a sealing groove is formed in one side, away from the shell, of the heat preservation seat, four clamping grooves are symmetrically formed in the inner wall of the sealing groove, pushing assemblies are jointly installed in the two clamping grooves on the same side, a sealing ring is arranged inside the sealing groove, four clamping assemblies are symmetrically installed on the outer wall of the sealing ring, the clamping assemblies correspond to adjacent clamping grooves, a heat preservation shell is fixedly connected to one side, away from the heat preservation seat, of the sealing ring, heat conduction pieces are fixedly connected to the inner walls of the heat preservation seat and the heat preservation shell, and heating wires are jointly installed between the heat preservation seat and the heat preservation shell, and the heat conduction pieces are uniform. According to the utility model, the pressure gauge can be effectively prevented from being frozen through the sealing groove, the heat preservation seat, the heat preservation shell, the heating wire, the heat conduction piece and the sealing ring, and the service life of the pressure gauge is prolonged.

Description

Antifreezing pressure gauge

Technical Field

The utility model relates to the technical field of pressure gauges, in particular to an anti-freezing pressure gauge.

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 research. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance factories and stores 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 an elastic sensitive element of the mechanical pressure gauge;

at present, for preventing a pressure gauge from being frozen, the pressure gauge is generally wrapped by cotton and linen fabrics or foam and other heat insulation materials, but the heat insulation effect is limited, particularly, the outdoor temperature is low in winter in the north of China, the pressure gauge is still easy to be frozen, and therefore the pressure gauge is damaged, and meanwhile, the cotton and linen fabrics or foam and other heat insulation materials are inconvenient to install and disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an anti-freezing pressure gauge.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a manometer that can prevent frostbite, which comprises a housin, surface one side fixedly connected with heat preservation seat of casing, the heat preservation seat is kept away from one side of casing and is seted up the seal groove, four draw-in grooves have been seted up to the inner wall symmetry of seal groove, and two draw-in grooves of homonymy install jointly and promote the subassembly, the inside of seal groove is equipped with the sealing ring, four joint subassemblies are installed to the outer wall symmetry of sealing ring, and the joint subassembly is corresponding with adjacent draw-in groove, one side fixedly connected with lagging casing of heat preservation seat is kept away from to the sealing ring, the equal fixedly connected with heat conduction spare of inner wall of heat preservation seat and lagging casing, install the heater strip jointly between the equal even heat conduction spare of heat preservation seat and lagging casing, the manometer body is installed jointly to the inside of heat preservation seat and lagging casing.

Further, two the promotion subassembly all includes the horizontal pole, two push rods of one side symmetry fixedly connected with that the horizontal pole is close to the heat preservation seat, and the push rod runs through the surface of heat preservation seat perpendicularly and extends to the inside of draw-in groove, two the equal fixedly connected with push pedal in one side that the horizontal pole was kept away from to the push rod is favorable to insulation housing's dismantlement to convenient to wholly dismantle.

Further, four the joint subassembly all includes the mounting groove, and the outer wall at the sealing ring is seted up to the mounting groove, a plurality of springs of the inside fixedly connected with of mounting groove, it is a plurality of the spring is close to the common fixedly connected with limiting plate in one side of draw-in groove, one side fixedly connected with arc fixture block of spring is kept away from to the limiting plate, and arc fixture block is corresponding with the draw-in groove, and joint subassembly and draw-in groove cooperation can be with the spacing fixed connection of lagging casing and heat preservation seat.

Furthermore, the arc-shaped surface of the arc-shaped clamping block faces one side of the shell, so that the integral installation is facilitated.

Furthermore, a connecting sleeve is fixedly connected between the heat preservation seat and the heat preservation shell together, so that the connection of the internal circuit of the heat preservation shell is facilitated, and the battery can provide power for the internal heating wire of the heat preservation shell conveniently.

Furthermore, the inside fixed mounting of casing has battery, controller and temperature sensor, and the battery can provide the power for heater strip, controller and temperature sensor, guarantees heater strip, controller and temperature sensor's operation.

Furthermore, surface one side of lagging casing is equipped with the observation window, is convenient for observe inside manometer numerical value, has increased whole practicality.

The utility model has the beneficial effects that:

1. when the anti-freezing pressure gauge is used, the anti-freezing pressure gauge can be effectively prevented from being frozen through the sealing groove, the heat preservation seat, the heat preservation shell, the heating wire, the heat conduction piece and the sealing ring, and the service life of the pressure gauge is prolonged;

2. when the anti-freezing pressure gauge is used, the clamping component, the clamping groove and the pushing component are arranged, so that the rapid installation and disassembly of the heat insulation seat and the heat insulation shell are facilitated, and the protection construction efficiency of the pressure gauge is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

fig. 3 is a partial structural schematic diagram of the present invention.

Illustration of the drawings:

1. a housing; 11. a controller; 12. a battery; 13. a temperature sensor; 2. connecting sleeves; 3. a heat-insulating shell; 31. an observation window; 4. a heat preservation seat; 41. a sealing groove; 411. a card slot; 42. a heat conductor; 5. a pressure gauge body; 61. a cross bar; 62. a push rod; 63. pushing the plate; 7. heating wires; 81. a spring; 82. mounting grooves; 83. an arc-shaped fixture block; 84. a limiting plate; 9. and (4) a sealing ring.

Detailed Description

Fig. 1 to fig. 3 show, a can frost-proof manometer is related to, which comprises a housing 1, surface one side fixedly connected with heat preservation seat 4 of casing 1, heat preservation seat 4 keeps away from one side of casing 1 and has seted up seal groove 41, four draw-in grooves 411 have been seted up to the inner wall symmetry of seal groove 41, two draw-in grooves 411 of homonymy install the promotion subassembly jointly, the inside of seal groove 41 is equipped with sealing ring 9, four joint subassemblies are installed to the outer wall symmetry of sealing ring 9, and the joint subassembly is corresponding with adjacent draw-in groove 411, one side fixedly connected with lagging casing 3 of heat preservation seat 4 is kept away from to sealing ring 9, the equal fixedly connected with heat conduction piece 42 of inner wall of heat preservation seat 4 and lagging casing 3, install heater strip 7 jointly between the equal heat conduction piece 42 of heat preservation seat 4 and lagging casing 3, manometer body 5 is installed jointly to the inside of heat preservation seat 4 and lagging casing 3.

Two promotion subassemblies all include horizontal pole 61, and horizontal pole 61 is close to two push rods 62 of the symmetrical fixedly connected with in one side of heat preservation seat 4, and push rod 62 runs through the surface that heat preservation seat 4 perpendicularly and extends to the inside of draw-in groove 411, and the equal fixedly connected with push pedal 63 in one side of horizontal pole 61 is kept away from to two push rods 62.

The connecting sleeve 2 is fixedly connected between the heat preservation seat 4 and the heat preservation shell 3.

An observation window 31 is arranged on one side of the outer surface of the heat preservation shell 3.

As shown in fig. 2, a battery 12, a controller 11, and a temperature sensor 13 are fixedly mounted inside the housing 1.

As shown in fig. 3, the four clamping assemblies respectively include a mounting groove 82, the mounting groove 82 is formed in the outer wall of the sealing ring 9, a plurality of springs 81 are fixedly connected to the inside of the mounting groove 82, the plurality of springs 81 are close to a limiting plate 84 fixedly connected to one side of the clamping groove 411, the limiting plate 84 is far away from an arc-shaped clamping block 83 fixedly connected to one side of the spring 81, and the arc-shaped clamping block 83 corresponds to the clamping groove 411.

The arc-shaped surface of the arc-shaped latch 83 faces one side of the housing 1.

When the antifreezing pressure gauge is used, firstly, the heat preservation seat 4 and the heat preservation shell 3 are arranged at two sides of the pressure gauge body 5, then the sealing ring 9 is inserted into the sealing groove 41 until the arc-shaped fixture block 83 enters the inside of the clamping groove 411 under the action of the spring 81, when the temperature sensor 13 senses that the temperature inside the heat preservation seat 4 is lower than the set value, a signal is sent to the controller 11, thereby controlling the two heating wires 7 to operate through the controller 11, thereby heating the pressure gauge body 5 through the heat conduction member 42, avoiding the freezing phenomenon, when the temperature inside the heat preservation seat 4 is higher than the set value, the temperature sensor 13 sends a signal to the controller 11, thereby controlling the heating wire 7 to stop running through the controller 11, and when the disassembly is needed, simultaneously pressing the cross rod 61, therefore, the arc-shaped clamping block 83 is pushed out of the clamping groove 411 by the push rod 62 and the push plate 63, and then the heat preservation shell 3 is taken up.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A pressure gauge that can prevent frostbite includes casing (1), its characterized in that: the heat insulation structure is characterized in that a heat insulation seat (4) is fixedly connected to one side of the outer surface of the shell (1), a sealing groove (41) is formed in one side, away from the shell (1), of the heat insulation seat (4), four clamping grooves (411) are symmetrically formed in the inner wall of the sealing groove (41), a pushing assembly is jointly installed in two clamping grooves (411) on the same side, a sealing ring (9) is arranged inside the sealing groove (41), four clamping assemblies are symmetrically installed on the outer wall of the sealing ring (9), the clamping assemblies correspond to the adjacent clamping grooves (411), a heat insulation shell (3) is fixedly connected to one side, away from the heat insulation seat (4), of the sealing ring (9), heat conduction pieces (42) are fixedly connected to the inner walls of the heat insulation seat (4) and the heat insulation shell (3), heating wires (7) are jointly installed between the heat conduction pieces (42) which are uniform in the heat insulation seat (4) and the heat insulation shell (3), the pressure gauge body (5) is installed together in the heat preservation seat (4) and the heat preservation shell (3).

2. The antifreeze pressure gauge of claim 1, wherein: two the promotion subassembly all includes horizontal pole (61), horizontal pole (61) are close to two push rods (62) of the symmetrical fixedly connected with in one side of heat preservation seat (4), and push rod (62) run through the surface of heat preservation seat (4) perpendicularly and extend to the inside of draw-in groove (411), two the equal fixedly connected with push pedal (63) in one side of horizontal pole (61) are kept away from in push rod (62).

3. The antifreeze pressure gauge of claim 1, wherein: four the joint subassembly all includes mounting groove (82), and sets up in the outer wall of sealing ring (9) mounting groove (82), a plurality of springs (81) of the inside fixedly connected with of mounting groove (82), it is a plurality of spring (81) are close to common fixedly connected with limiting plate (84) in one side of draw-in groove (411), one side fixedly connected with arc fixture block (83) of spring (81) are kept away from in limiting plate (84), and arc fixture block (83) are corresponding with draw-in groove (411).

4. A freeze protected pressure gauge as claimed in claim 3, wherein: the arc-shaped surface of the arc-shaped clamping block (83) faces one side of the shell (1).

5. The antifreeze pressure gauge of claim 1, wherein: the connecting sleeve (2) is fixedly connected between the heat preservation seat (4) and the heat preservation shell (3) together.

6. The antifreeze pressure gauge of claim 1, wherein: a battery (12), a controller (11) and a temperature sensor (13) are fixedly mounted in the shell (1).

7. The antifreeze pressure gauge of claim 1, wherein: and an observation window (31) is arranged on one side of the outer surface of the heat-insulating shell (3).