Pointer type differential pressure gauge

Abstract

The utility model relates to the technical field of differential pressure gauges, and discloses a pointer type differential pressure gauge which comprises a differential pressure gauge shell, movable fixing frames are inserted in the two sides of the differential pressure gauge shell, a pointer differential pressure mechanism is arranged on the front face of the differential pressure gauge shell, and a digital display differential pressure mechanism is arranged on the top of the pointer differential pressure mechanism. The differential pressure gauge shell comprises a protective shell, movable grooves, placement grooves and elastic bolt holes, the placement grooves are formed in the bottoms of the two movable grooves, the two elastic bolt holes are formed in the two movable grooves, the movable fixing frame comprises a movable plate, a fixed plate and a fixed movable opening, and the movable plate is arranged at the top of the movable fixing frame. According to the pointer type differential pressure gauge, the differential pressure gauge is conveniently and fixedly connected to required equipment through the two working connecting valves, measured data can be observed through the pointer differential pressure mechanism, the measured data can be determined secondarily through the digital display screen and the control button, and the measurement accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of differential pressure gauges, in particular to a pointer-type differential pressure gauge. Background Art

[0002] A differential pressure gauge is a physical instrument used to measure the pressure difference between two points in a well or pipeline fluid, such as CN206945204U, a digital differential pressure gauge disclosed on a Chinese patent website. A groove is provided on the top of the shell, and a differential pressure detection probe is provided through the groove. A differential pressure detection device is provided at the output end of the differential pressure detection probe. The output end of the differential pressure detection device is electrically connected to a processor, and the processor is arranged inside the shell. The output end of the processor is electrically connected to a display screen through a storage module. The display screen is embedded in the surface of the shell. A storage module is provided at the input end of the processor. The digital differential pressure gauge is easy to use, effectively detects the pressure difference of the equipment in real time, and automatically records the detection data, which is convenient for users to understand the use status of the equipment. However, the digital display-related modules are easily damaged, resulting in inaccurate measurement data. Therefore, a pointer-type differential pressure gauge is proposed. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a pointer-type differential pressure gauge having the advantages of dual detection methods and effects, and solves the problem that digital display-related modules are easily damaged, resulting in inaccurate measurement data.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pointer-type differential pressure gauge, comprising a differential pressure gauge housing, movable fixing frames are inserted on both sides of the differential pressure gauge housing, a pointer differential pressure mechanism is arranged on the front of the differential pressure gauge housing, and a digital display differential pressure mechanism is arranged on the top of the pointer differential pressure mechanism.

[0007] Preferably, the differential pressure gauge housing includes a protective housing, a movable groove, a mounting groove and a tension bolt hole. The movable grooves are opened on both sides of the protective housing, the two movable grooves have mounting grooves at the bottom, and two tension bolt holes are opened inside the two movable grooves. By embedding the pointer pressure difference mechanism and the digital pressure difference mechanism inside the protective housing, the movable groove can allow the movable fixing frame to move flexibly up and down.

[0008] Preferably, the movable fixing frame includes a movable plate, a fixed plate and a fixed movable opening, the top of the movable fixing frame is set as a movable plate, the bottom of the movable plate is connected to the fixed plate, the movable plate is provided with a fixed movable opening, and the connection between the movable fixing frame and the differential pressure gauge housing is fixed by passing the tightening bolt through the fixed movable opening and connecting it to the inside of the tightening bolt hole, and the fixing screw is set on the fixed plate so that the differential pressure gauge can be fixed at a specified position.

[0009] Preferably, the pointer pressure difference mechanism includes a dial, a pointer and an alarm, the outer side of the pointer pressure difference mechanism is set as a dial, the inside of the dial is set with a pointer, and the bottom of the pointer is set with an alarm, and the measured data can be observed through the pointer pressure difference mechanism.

[0010] Preferably, the digital pressure difference mechanism includes a digital display screen and control buttons. The top of the digital pressure difference mechanism is set as a digital display screen, and a plurality of control buttons are arranged at the bottom of the digital display screen. The measured data can be re-determined through the digital display screen and the control buttons to increase the accuracy of the measurement.

[0011] Preferably, two working connection valves are provided at the bottom of the housing of the differential pressure gauge, and the differential pressure gauge can be conveniently fixedly connected to the required equipment through the two working connection valves.

[0012] Compared with the prior art, the utility model provides a pointer-type differential pressure gauge, which has the following beneficial effects:

[0013] 1. The pointer-type differential pressure gauge can be conveniently connected to the required equipment through two working connection valves. The measured data can be observed through the pointer differential pressure mechanism, and the measured data can be re-determined through the digital display screen and control buttons to increase the accuracy of the measurement.

[0014] 2. The pointer-type differential pressure gauge embeds the pointer differential pressure mechanism and the digital differential pressure mechanism into the protective housing, and allows the movable fixing frame to flexibly move up and down through the movable groove. The connection between the movable fixing frame and the housing of the differential pressure gauge is fixed by passing the tightening bolt through the fixed movable opening and connecting it to the tightening bolt hole. The fixing screw is set on the fixing plate so that the differential pressure gauge can be fixed at a specified position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0018] Among them: 1. differential pressure gauge housing; 101. protective housing; 102. movable groove; 103. placement groove; 104. tightening bolt hole; 2. movable fixing frame; 201. movable plate; 202. fixing plate; 203. fixed movable port; 3. pointer differential pressure mechanism; 301. dial; 302. pointer; 303. alarm; 4. digital differential pressure mechanism; 401. digital display screen; 402. control button; 5. working connection valve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 The utility model provides the following technical solutions: a pointer-type differential pressure gauge, comprising a differential pressure gauge housing 1, movable fixing frames 2 are plugged into the two sides of the differential pressure gauge housing 1, a pointer differential pressure mechanism 3 is arranged on the front of the differential pressure gauge housing 1, and a digital display differential pressure mechanism 4 is arranged on the top of the pointer differential pressure mechanism 3;

[0021] The differential pressure gauge housing 1 includes a protective housing 101, a movable groove 102, a placement groove 103 and a tension bolt hole 104. The movable grooves 102 are provided on both sides of the protective housing 101, the placement grooves 103 are provided at the bottom of the two movable grooves 102, and two tension bolt holes 104 are provided inside the two movable grooves 102. By embedding the pointer differential pressure mechanism 3 and the digital differential pressure mechanism 4 inside the protective housing 101, the movable groove 102 can be used to allow the movable fixing frame 2 to move flexibly up and down;

[0022] The movable fixing frame 2 includes a movable plate 201, a fixed plate 202 and a fixed movable opening 203. The top of the movable fixing frame 2 is set as the movable plate 201, and the bottom of the movable plate 201 is connected to the fixed plate 202. The movable plate 201 is provided with a fixed movable opening 203, and the connection between the movable fixing frame 2 and the differential pressure gauge housing 1 is fixed by passing the tightening bolt through the fixed movable opening 203 and connecting it inside the tightening bolt hole 104. The fixing screw is set on the fixed plate 202 so as to fix the differential pressure gauge at a specified position.

[0023] The pointer pressure difference mechanism 3 includes a dial 301, a pointer 302 and an alarm 303. The outer side of the pointer pressure difference mechanism 3 is set as the dial 301, the inner side of the dial 301 is set with the pointer 302, and the bottom of the pointer 302 is set with the alarm 303. The measured data can be observed through the pointer pressure difference mechanism 3;

[0024] The digital differential pressure mechanism 4 includes a digital display screen 401 and a control button 402. The top of the digital differential pressure mechanism 4 is set as the digital display screen 401, and multiple control buttons 402 are set at the bottom of the digital display screen 401. The measured data can be re-determined through the digital display screen 401 and the control buttons 402 to increase the accuracy of the measurement. Two working connecting valves 5 are set at the bottom of the differential pressure gauge housing 1. The two working connecting valves 5 can be used to conveniently fix the differential pressure gauge on the required equipment.

[0025] When in use, the differential pressure gauge can be conveniently fixedly connected to the required equipment through two working connecting valves 5, the pointer differential pressure mechanism 3 and the digital differential pressure mechanism 4 are embedded in the protective shell 101, and the movable groove 102 allows the movable fixing frame 2 to move flexibly up and down. Fixing screws are set on the fixing plate 202 to fix the differential pressure gauge in a specified position. The measured data can be observed through the pointer differential pressure mechanism 3, and the differential pressure gauge can be conveniently fixedly connected to the required equipment through two working connecting valves 5.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pointer-type differential pressure gauge, comprising a differential pressure gauge housing (1), characterized in that: The differential pressure gauge housing (1) is plugged with movable fixing frames (2) on both sides, the differential pressure gauge housing (1) is provided with a pointer differential pressure mechanism (3) on the front side, and a digital display differential pressure mechanism (4) is provided on the top side of the pointer differential pressure mechanism (3). The differential pressure gauge housing (1) comprises a protective housing (101), a movable groove (102), a placement groove (103) and a tension bolt hole (104). The protective housing (101) is provided with movable grooves (102) on both sides, and the bottoms of the two movable grooves (102) are provided with placement grooves (103). Two tension bolts are provided inside the two movable grooves (102). The pointer pressure difference mechanism (3) comprises a dial (301), a pointer (302) and an alarm (303); the outer side of the pointer pressure difference mechanism (3) is set as the dial (301); the inner side of the dial (301) is set with the pointer (302); the bottom of the pointer (302) is set with the alarm (303); the digital display pressure difference mechanism (4) comprises a digital display screen (401) and control buttons (402); the top of the digital display pressure difference mechanism (4) is set as the digital display screen (401); and the bottom of the digital display screen (401) is set with a plurality of control buttons (402).

2. A pointer-type differential pressure gauge according to claim 1, characterized in that: The movable fixing frame (2) comprises a movable plate (201), a fixed plate (202) and a fixed movable opening (203); the top of the movable fixing frame (2) is provided with the movable plate (201); the bottom of the movable plate (201) is connected to the fixed plate (202); and the movable plate (201) is provided with a fixed movable opening (203).

3. The pointer-type differential pressure gauge according to claim 1, characterized in that: Two working connection valves (5) are arranged at the bottom of the differential pressure gauge housing (1).

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