Air pressure gauge with installation protection device

Abstract

The utility model relates to the technical field of barometers, and discloses a barometer with an installation protection device, which comprises an air pipe, the side wall of the air pipe is fixedly provided with one end of a connecting pipe, the other end of the connecting pipe is fixedly provided with one end of a protection box, and the other end of the protection box is rotatably provided with a box door. An electronic barometer is arranged in the protection box, and an air pressure assembly is arranged in the protection box. According to the barometer with the installation protection device, in order to prevent an electronic barometer from influencing work when the working state is abnormal, the barometer is provided with an air pressure assembly, when the pressure intensity changes, an elastic pipe is extruded by the pressure intensity, the input pipe, the elastic pipe, a connecting rod, a driven rod, a first gear, a second gear and a pointer are matched, and the pressure intensity change amplitude is displayed on a dial plate; and a worker observes to know the air pressure condition, so that the influence caused by the damage of electronic components is better prevented, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to barometer technical field, specifically is a barometer with installation protection device. BACKGROUND

[0002] Barometer has extensive application range, needs accurate measurement and control gas pressure in many industrial production processes, such as chemical industry, petroleum, pharmaceutical industry, barometer can be used for monitoring the gas pressure in pipeline, prevent pressure too high or too low and lead to equipment failure or safety accident, digital barometer converts gas pressure into electric signal through electronic component and measures, and precision is higher.

[0003] The protection device of a barometer with installation protection device is mainly composed of shell, buffer structure, fixed assembly and the like, the shell usually adopts high-strength engineering plastics or metal material, such as stainless steel, aluminum alloy and the like, has strong impact resistance and corrosion resistance, can resist external collision, extrusion and severe environment erosion, the protection device is often used electronic barometer, electronic barometer has the advantages of high precision, convenient reading, multiple functions and the like, relies on power supply and electronic component, and may fail due to battery power failure, circuit failure, software problem and the like, thereby causing influence on gas pressure detection work.

[0004] In view of this, we propose a barometer with installation protection device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a barometer with installation protection device to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A barometer with installation protection device, including gas pipe, the gas pipe side wall is fixedly installed with the one end of connecting pipe, the other end of connecting pipe is fixedly installed with the one end of protection box, the other end of protection box is rotatably installed with the door, the inside of protection box is provided with electronic barometer, the inside of protection box is provided with gas pressure assembly, and the gas pressure assembly includes:

[0008] Dial, the dial is fixedly installed on the inner wall of protection box, the input pipe is fixedly installed on the arc-shaped side wall of the inside center of dial, and the one end of elastic pipe is fixedly installed on the arc-shaped side wall of the input pipe;

[0009] Connecting rod, the other end of elastic pipe is hingedly installed with the one end of connecting rod, the other end of connecting rod is hingedly installed with the one end of driven rod, the other end of driven rod is fixedly installed with first gear, and the first gear is rotatably connected to the outside of input pipe;

[0010] The second gear is rotatably mounted on the outside of the input tube. The second gear meshes with the first gear, and a pointer is fixedly mounted on the side wall of the second gear.

[0011] Preferably, the connecting pipe is provided in two sets, and the two sets of connecting pipes are respectively fixedly connected to the electronic barometer and the input pipe.

[0012] Preferably, the door is provided with an observation window made of transparent material to better observe the barometer.

[0013] Preferably, the internal spaces of the connecting pipe, the input pipe, and the elastic pipe are interconnected.

[0014] Preferably, the dial has multiple sets of scale lines to better understand the air pressure.

[0015] Preferably, the protective box is provided with an auxiliary component, which includes a U-shaped frame. The U-shaped frame is fixedly installed on the top side wall of the protective box. A limit block is fixedly installed inside the U-shaped frame. A slide rod is slidably installed inside the U-shaped frame. A locking block is fixedly installed inside the slide rod. A spring is fixedly installed on the lower surface of the top of the U-shaped frame. The spring is sleeved on the outside of the slide rod. The bottom of the spring slides against the top of the locking block. A handle is fixedly installed on the top of the slide rod.

[0016] Preferably, the limiting block has a slot, and the shape and size of the slot are the same as those of the block.

[0017] Compared with the prior art, this utility model provides a barometer with a protective installation device, which has the following advantages:

[0018] 1. This pressure gauge with a protective device is designed to prevent malfunctions from affecting work. It incorporates a pressure assembly; when pressure changes, the elastic tube is compressed, working in conjunction with the input tube, elastic tube, connecting rod, driven rod, first gear, second gear, and pointer to display the pressure change on the dial. Workers can observe this to understand the pressure status, thus better preventing damage to electronic components and improving work efficiency.

[0019] 2. The pressure gauge with protective device is equipped with auxiliary components to facilitate maintenance of the pressure gauge inside the protective box. When it is necessary to open or close the box door, pulling and turning the handle, in conjunction with the U-shaped frame, limit block, slide rod, locking block, and spring, limits or releases the limit on the box door, thereby making it easier for the staff to open and close the protective box door and improving work efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 Another view of the overall structure of the present application is shown in the schematic diagram.

[0022] Figure 3 The partial structure of the present application is shown in the schematic diagram.

[0023] Figure 4 The auxiliary assembly structure of the present application is shown in the schematic diagram.

[0024] In the figure:

[0025] 1, trachea; 2, connecting pipe; 3, protective box; 4, box door; 5, electronic barometer;

[0026] 6, air pressure assembly; 61, dial; 62, input pipe; 63, elastic pipe; 64, connecting rod; 65, driven rod; 66, first gear; 67, second gear; 68, pointer;

[0027] 7, auxiliary assembly; 71, U-shaped frame; 72, limiting block; 73, sliding rod; 74, clamping block; 75, spring; 76, handle. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the present application, the term "upper" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is mainly used to better describe the present application and its embodiments, and is not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. Also, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0030] Please refer to Figures 1-4 The present application provides a technical solution:

[0031] A barometer with a mounting protection device, comprising a trachea 1, a connecting pipe 2 is fixedly installed on the side wall of the trachea 1, the other end of the connecting pipe 2 is fixedly installed with one end of the protective box 3, the other end of the protective box 3 is rotatably installed with the box door 4, and the electronic barometer 5 is arranged in the protective box 3.

[0032] In an embodiment of the utility model, protection box 3 inside be provided with air pressure subassembly 6, air pressure subassembly 6 includes dial 61, dial 61 is fixedly installed in the inner wall of protection box 3, the inside center of dial 61 is fixedly installed with input pipe 62, input pipe 62 arc-shaped lateral wall is fixedly installed with elastic pipe 63 one end, elastic pipe 63 other end is hingedly installed with connecting rod 64 one end, connecting rod 64 other end is hingedly installed with driven rod 65 one end, driven rod 65 other end is fixedly installed with first gear 66, first gear 66 is rotatably connected to input pipe 62 outside, input pipe 62 outside is rotatably installed with second gear 67, second gear 67 is engaged with first gear 66, second gear 67 lateral wall is fixedly installed with pointer 68, connecting pipe 2 is provided with two groups, two groups of connecting pipe 2 are fixedly connected to electronic air pressure gauge 5 and input pipe 62 respectively, the box door 4 is provided with observation window, the observation window is made of transparent material, the inside space of connecting pipe 2, input pipe 62 and elastic pipe 63 is communicated, dial 61 is provided with multiple graduation lines.

[0033] When the embodiment is used, the trachea 1 is connected to the electronic air pressure gauge 5 through a group of connecting pipes 2, the pressure sensor inside the electronic air pressure gauge 5 is the core component, and the change signals such as capacitance, resistance or charge generated after sensing the air pressure change will be converted into electric signals, the electric signals after processing will be converted into digital signals, and then the current air pressure value is displayed through the display screen, the electronic air pressure gauge 5 depends on the power supply and electronic components, and will malfunction due to reasons such as battery power failure, circuit failure and software problems, therefore, the air pressure subassembly 6 is arranged, and the other group of connecting pipes 2 is connected to the input pipe 62, the gas is transmitted to the elastic pipe 63 through the input pipe 62, the elastic pipe 63 is usually made of special metal materials, such as phosphor bronze, the material has good elasticity and flexibility, and can deform under the action of air pressure, when the air pressure increases, the pressure inside the elastic pipe 63 increases, the pipe wall expands outward under the action of pressure, and the shape will gradually stretch from the original state, and when the air pressure decreases, the pressure inside the elastic pipe 63 decreases, and the elastic pipe 63 shrinks to the initial shape under the action of the elasticity of the material itself, the deformation of the elastic pipe 63 drives the connecting rod 64, the connecting rod 64 rotates around the hinge point as the shaft, when the elastic pipe 63 expands outward, the connecting rod 64 is pushed to move in a specific direction, when the elastic pipe 63 shrinks, the connecting rod 64 moves in the opposite direction under the pulling force of the elastic pipe 63, the displacement of the connecting rod 64 is transmitted to the driven rod 65, and the driven rod 65 swings around the connecting point with the dial 61 as the fulcrum, the first gear 66 rotates with the swinging of the driven rod 65, the rotation of the first gear 66 drives the second gear 67 to rotate in the opposite direction, and the pointer 68 rotates with the second gear 67 to move in a circle on the dial 61, the staff can understand the current air pressure change amplitude through the observation window on the box door 4 according to the scale indicated by the pointer 68, so as to better prevent the influence of electronic component damage, and improve the work efficiency.

[0034] In an embodiment of the utility model, the auxiliary assembly 7 is arranged on the protection box 3, the auxiliary assembly 7 includes the U-shaped frame 71, the U-shaped frame 71 is fixedly installed on the top side wall of protection box 3, the U-shaped frame 71 is fixedly installed with the limiting block 72 inside, the U-shaped frame 71 is slidably installed with the slide rod 73 inside, the slide rod 73 is fixedly installed with the clamping block 74 inside, the spring 75 is fixedly installed on the top end lower surface of U-shaped frame 71, the spring 75 is sleeved on the outside of slide rod 73, the spring 75 bottom is slidably attached to the top end of clamping block 74, the slide rod 73 top is fixedly installed with the handle 76, the limiting block 72 is provided with the clamping groove, and the clamping groove shape and size are consistent with the clamping block 74.

[0035] When the utility model is used, when the box door 4 is closed, the clamping block 74 is attached to the bottom of U-shaped frame 71, the bottom of slide rod 73 extends the department inside U-shaped frame 71 to limit the box door 4, so that the box door 4 is attached to the protection box 3, when the box door 4 needs to be opened, the staff holds the handle 76 and lifts upwards, drives the slide rod 73 to displace upwards, the clamping block 74 is synchronously moved upwards and extrudes the spring 75, so that the spring 75 is extruded and deformed, and at the same time, the slide rod 73 is limited and does not completely separate from the inside of U-shaped frame 71, when the clamping block 74 is slid to the top of limiting block 72 along with the slide rod 73, the staff rotates the handle 76 by ninety degrees, the clamping block 74 is rotated by ninety degrees, when the clamping block 74 contacts the clamping groove on the limiting block 72, the spring 75 releases the elastic potential energy, the clamping block 74 enters the inside clamping groove of limiting block 72, at this time, the bottom extension of slide rod 73 is removed to the box door 4, when the limiting needs to be carried out, the staff holds the handle 76 and pulls upwards, and the clamping block 74 is taken out from the inside clamping groove of limiting block 72, so that the clamping block 74 is attached to the bottom of U-shaped frame 71 and is limited.

[0036] Wherein, the electric appliance elements appearing in the application file are all electrically connected with the controller and the mobile power supply, and the controller is a conventional known device capable of controlling the electronic barometer 5, the standard parts used in the application file can be purchased from the market, the specific connection mode of each part adopts the conventional rivet, welding and other conventional means in the prior art for connection, and the mechanical, parts and equipment all adopt the conventional type in the prior art, plus the connection of the circuit adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] The foregoing has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A barometer with a protective device, comprising a tubing (1), one end of which is fixedly mounted with a connecting pipe (2) on the side wall of the tubing (1), and the other end of which is fixedly mounted with a protective box (3), the other end of which is rotatably mounted with a door (4), and an electronic barometer (5) disposed inside the protective box (3), characterized in that: The protective box (3) is equipped with a pneumatic assembly (6), which includes: The dial (61) is fixedly installed on the inner wall of the protective box (3). An input tube (62) is fixedly installed in the center of the dial (61). One end of an elastic tube (63) is fixedly installed on the arc-shaped side wall of the input tube (62). The connecting rod (64) is hinged to one end of the elastic tube (63), and the driven rod (65) is hinged to the other end of the connecting rod (64). The first gear (66) is fixedly installed on the other end of the driven rod (65), and the first gear (66) is rotatably connected to the outside of the input tube (62). The second gear (67) is rotatably mounted on the outside of the input tube (62). The second gear (67) meshes with the first gear (66). A pointer (68) is fixedly mounted on the side wall of the second gear (67).

2. A barometer with a protective installation device according to claim 1, characterized in that: The connecting pipe (2) is provided in two sets, and the two sets of connecting pipes (2) are respectively fixedly connected to the electronic barometer (5) and the input pipe (62).

3. A barometer with a protective device as described in claim 1, characterized in that: An observation window is provided on the box door (4), and the observation window is made of transparent material.

4. A barometer with a protective device as described in claim 2, characterized in that: The internal spaces of the connecting pipe (2), the input pipe (62), and the elastic pipe (63) are connected.

5. A barometer with a protective device as described in claim 1, characterized in that: The dial (61) is provided with multiple sets of scale lines.

6. A barometer with a protective device as described in claim 1, characterized in that: The protective box (3) is provided with an auxiliary component (7), which includes a U-shaped frame (71). The U-shaped frame (71) is fixedly installed on the top side wall of the protective box (3). A limit block (72) is fixedly installed inside the U-shaped frame (71). A slide rod (73) is slidably installed inside the U-shaped frame (71). A locking block (74) is fixedly installed inside the slide rod (73). A spring (75) is fixedly installed on the lower surface of the top of the U-shaped frame (71). The spring (75) is sleeved on the outside of the slide rod (73). The bottom of the spring (75) slides against the top of the locking block (74). A handle (76) is fixedly installed on the top of the slide rod (73).

7. A barometer with a protective device as described in claim 6, characterized in that: The limiting block (72) has a slot, and the shape and size of the slot are the same as those of the block (74).

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