A magnetic pole gas differential pressure gauge

Abstract

The utility model discloses a magnetic pole gas differential pressure gauge, including shell and clamping part: the bottom of shell is provided with two connecting mouths, the clamping part sets up at the bottom of shell, the clamping part has the fixed shaft of fixed setting in the bottom of shell, the fixed shaft is rotatory and is provided with rotary clamp a, the fixed shaft is rotatory and is provided with rotary clamp b still, rotary clamp a and rotary clamp b cross each other and present X shape, the side rotatory of rotary clamp a is provided with connecting rod a, the side rotatory of rotary clamp b is provided with connecting rod b, the outside of fixed shaft is rotatory and is provided with slide, and the tail end of slide is rotatory and is connected with connecting rod a. The utility model discloses through being provided with clamping part, can when connecting the hose of external connection with connecting mouth, through pulling slide displacement, thereby lets slide to pull connecting rod a and connecting rod b rotation, makes connecting rod a and connecting rod b can pull rotary clamp a and rotary clamp b rotation simultaneously, and the hose is clamped and fixed at the connecting mouth.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas differential pressure gauge technical field, concretely is a magnetic pole gas differential pressure gauge. BACKGROUND

[0002] Magnetic pole gas differential pressure gauge is a kind of instrument for measuring gas differential pressure, generally used in industry, laboratory or other occasions needing accurate measurement of gas pressure difference. It realizes the measurement of differential pressure by the interaction of magnetic pole and gas pressure. The core principle of magnetic pole gas differential pressure gauge is to use the interaction of magnetic element, such as magnet and gas pressure. When gas pressure changes, the position or state of magnetic element will change accordingly, and then the change is converted into readable differential pressure value by sensor or mechanical device.

[0003] The existing magnetic pole gas differential pressure gauge is connected with hose, as shown in figure Figure 1 Generally, it is directly nested in the gas connection pipe opening by the elastic force of hose itself, and there is no other fixing structure at the hose connection, this connection mode will cause the external hose to fall off from the gas connection pipe opening when the external hose is pulled by external force, resulting in gas leakage, which affects the normal use of magnetic pole gas differential pressure gauge. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of magnetic pole gas differential pressure gauge to solve the above background technique proposed that the existing magnetic pole gas differential pressure gauge is connected with hose, generally by the elastic force of hose itself directly nested in the gas connection pipe opening, and there is no other fixing structure at the hose connection, this connection mode will cause the external hose to fall off from the gas connection pipe opening when the external hose is pulled by external force, resulting in gas leakage, which affects the normal use of magnetic pole gas differential pressure gauge.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of magnetic pole gas differential pressure gauge, including shell and clamping part:

[0006] The bottom of the shell is provided with two connection ports, the clamping part is arranged at the bottom of the shell, the clamping part has a fixed shaft fixedly arranged at the bottom of the shell, a rotary clamp a is rotatably arranged on the fixed shaft, a rotary clamp b is also rotatably arranged on the fixed shaft, the rotary clamp a and the rotary clamp b are crossed to form X shape, a connecting rod a is rotatably arranged on the side surface of the rotary clamp a, a connecting rod b is rotatably arranged on the side surface of the rotary clamp b, a sliding carriage is slidably arranged on the outside of the fixed shaft, the tail end of the sliding carriage is rotatably connected with the connecting rod a, the tail end of the sliding carriage is rotatably connected with the connecting rod b, the sliding carriage slides to drive the connecting rod a and the connecting rod b to rotate to drive the rotary clamp a and the rotary clamp b to open or close.

[0007] By adopting the technical scheme, when the external hose is connected with the connecting port, the slide is displaced by pulling, so that the slide rotates the connecting rods a and b, and the connecting rods a and b rotate the rotary clamps a and b at the same time, and the hose is clamped and fixed at the connecting port.

[0008] Preferably, the shell further has a connecting ring fixedly arranged on the side surface of the shell, and the top of the slide is provided with a fixed hole penetrating the slide, and a plug is vertically and slidably arranged in the fixed hole and vertically and slidably connected with the connecting ring.

[0009] By adopting the technical scheme, the plug can pass through the connecting ring and the fixed hole.

[0010] Preferably, the middle part of the rotary clamp a is provided with a rotary groove, the fixed shaft penetrates the rotary groove and is rotationally connected with the rotary clamp a, and the rotary clamp a is rotationally connected with the connecting rod a through the penetrating rotating shaft.

[0011] By adopting the technical scheme, the rotary clamp a can rotate around the axis of the fixed shaft to change the angle of the rotary clamp a.

[0012] Preferably, the middle part of the rotary clamp b is provided with a rotary groove, the fixed shaft penetrates the rotary groove and is rotationally connected with the rotary clamp b, and the rotary clamp b is rotationally connected with the connecting rod a through the penetrating rotating shaft.

[0013] By adopting the technical scheme, the rotary clamp b can rotate around the axis of the fixed shaft to change the angle of the rotary clamp b.

[0014] Preferably, the clamping part further has a sliding groove arranged in the top of the slide and the bottom of the slide, the fixed shaft is embedded in the sliding groove and is slidably connected with the slide, and the side surface of the slide is provided with anti-skid lines.

[0015] By adopting the technical scheme, the position of the slide can be changed by sliding the fixed shaft in the sliding groove.

[0016] Preferably, the clamping part further has a transmission shaft arranged in the slide, the transmission shaft is rotationally connected with the end of the connecting rod a away from the rotary clamp a, and the transmission shaft is rotationally connected with the end of the connecting rod b away from the rotary clamp b.

[0017] By adopting the technical scheme, the transmission shaft can be driven to rotate by the displacement of the slide.

[0018] Preferably, the inner side of the arc surface of the rotary clamp a and the rotary clamp b for clamping is provided with anti-skid lines.

[0019] By adopting the technical scheme, the friction between the rotary clamp a, the rotary clamp b and the hose can be improved.

[0020] Compared with the prior art, the utility model discloses the beneficial effects are: through being provided with the clamping part, can when connecting the external hose with the connecting port, through pulling the slide displacement, thereby let the slide pull connecting rod a and connecting rod b rotate, make connecting rod a and connecting rod b can pull rotary clamp a and rotary clamp b rotate simultaneously, and the hose is clamped and fixed at the connecting port. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the schematic diagram of the structure of the prior art magnetic pole gas differential pressure gauge connecting hose;

[0022] Figure 2 It is the schematic diagram of the structure of the whole application;

[0023] Figure 3 It is the schematic diagram of the structure of the whole application;

[0024] Figure 4 It is the schematic diagram of the closed structure of the clamping part of the application;

[0025] Figure 5 It is the schematic diagram of the open structure of the clamping part of the application;

[0026] Figure 6 It is the schematic diagram of the explosion structure of the clamping part of the application.

[0027] In the drawing: 1, shell;101, connecting port;102, connecting ring;2, clamping part;201, fixed shaft;202, rotary clamp a;203, rotary clamp b;204, connecting rod a;205, connecting rod b;206, slide;207, slide groove;208, transmission shaft;209, fixed hole;210, plug. DETAILED DESCRIPTION

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

[0029] Embodiment one

[0030] Please refer to Figure 2 、 Figure 3 and Figure 4 , the embodiment provides a technical scheme: a magnetic pole gas differential pressure gauge, comprising a shell 1 and a clamping part 2:

[0031] The bottom of the shell 1 is provided with two connecting ports 101, and the inside of the shell 1 is provided with a magnetic element. When the gas pressure of the connecting port 101 changes, the position or state of the magnetic element will change accordingly, and then the change is converted into a readable pressure difference value through a sensor or a mechanical device. The above is a mature technology, so this scheme will not be described in detail.

[0032] The clamping part 2 is arranged at the bottom of the shell 1, and the bottom of the shell 1 is welded and fixedly provided with a fixed shaft 201. A rotary clamp a 202 is rotatably arranged on the fixed shaft 201, and a rotary clamp b 203 is also rotatably arranged on the fixed shaft 201. The rotary clamp a 202 and the rotary clamp b 203 are crossed to form an X shape. A connecting rod a 204 is rotatably arranged on the side surface of the rotary clamp a 202, and a connecting rod b 205 is rotatably arranged on the side surface of the rotary clamp b 203. A sliding carriage 206 is slidably arranged outside the fixed shaft 201. The tail end of the sliding carriage 206 is rotatably connected with the connecting rod a 204, and the tail end of the sliding carriage 206 is rotatably connected with the connecting rod b 205. The sliding carriage 206 slides to drive the connecting rod a 204 and the connecting rod b 205 to rotate to drive the rotary clamp a 202 and the rotary clamp b 203 to open or close. When the external hose is connected with the connecting port 101, the sliding carriage 206 is pulled to displace, so that the sliding carriage 206 pulls the connecting rod a 204 and the connecting rod b 205 to rotate, so that the connecting rod a 204 and the connecting rod b 205 can pull the rotary clamp a 202 and the rotary clamp b 203 to rotate at the same time, and the hose is clamped and fixed at the connecting port 101.

[0033] Embodiment two

[0034] Please refer to Figure 4 , Figure 5 and Figure 6 , the embodiment provides a technical scheme: a magnetic pole gas pressure difference table, comprising a clamping part 2, a rotary clamp a 202, a rotary clamp b 203 and a sliding carriage 206:

[0035] A connecting ring 102 is welded and fixedly arranged on the side surface of the shell 1. A fixed hole 209 is formed in the top of the sliding carriage 206, and a plug 210 is vertically and slidably arranged in the fixed hole 209. The plug 210 is vertically and slidably connected with the connecting ring 102, so that the plug 210 can slide up and down along the connecting ring 102 and the fixed hole 209.

[0036] The middle part of the rotating clamp a202 is provided with a rotating groove, the fixed shaft 201 penetrates through the rotating groove and is rotationally connected with the rotating clamp a202, the rotating clamp a202 is rotationally connected with the connecting rod a204 through the penetrating rotating shaft, the middle part of the rotating clamp b203 is provided with a rotating groove, the fixed shaft 201 penetrates through the rotating groove and is rotationally connected with the rotating clamp b203, the rotating clamp b203 is rotationally connected with the connecting rod a204 through the penetrating rotating shaft, so that the rotating clamp a202 and the rotating clamp b203 can rotate around the axis of the fixed shaft 201 to change the angle of the rotating clamp a202 and the rotating clamp b203, the rotating clamp a202 and the rotating clamp b203 are in X shape, the two ends of the rotating clamp a202 and the rotating clamp b203 are provided with semicircular clamping surfaces, the inner side of the arc surface of the two ends of the rotating clamp a202 and the rotating clamp b203 for clamping is chiseled with anti-skid lines, so that the friction between the rotating clamp a202, the rotating clamp b203 and the hose can be improved, and the arc surfaces at the two ends of the rotating clamp a202 and the rotating clamp b203 can clamp and fix the hose through the rotation of the rotating clamp a202 and the rotating clamp b203.

[0037] The bottom of the top of the sliding frame 206 is provided with a sliding groove 207, the fixed shaft 201 is embedded in the sliding groove 207 and is slidingly connected with the sliding frame 206, the side surface of the sliding frame 206 is chiseled with anti-skid lines, the fixed shaft 201 can slide in the sliding groove 207 to change the position of the sliding frame 206, and the anti-skid lines can improve the friction between the sliding frame 206 and the hands of the operator.

[0038] The transmission shaft 208 is welded and fixed in the sliding frame 206, the transmission shaft 208 is rotationally connected with the end of the connecting rod a204 away from the rotating clamp a202, and the transmission shaft 208 is rotationally connected with the end of the connecting rod b205 away from the rotating clamp b203, so that the transmission shaft 208 can be driven to move through the displacement of the sliding frame 206, and the connecting rod a204 and the connecting rod b205 are driven to rotate by the transmission shaft 208.

[0039] Working principle: first, the shell 1 needs to be connected to the hose on the connecting port 101, then hold the slide 206 and pull the slide 206 outward, the displacement of the slide 206 drives the transmission shaft 208 to move, so that the transmission shaft 208 drives the connecting rod a 204 and the connecting rod b 205 to rotate, then the rotating connecting rod a 204 and the connecting rod b 205 will drive the rotating clamp a 202 and the rotating clamp b 203 to rotate, through the rotation of the rotating clamp a 202 and the rotating clamp b 203, the arc surface at both ends of the rotating clamp a 202 and the rotating clamp b 203 can clamp and fix the hose, then by inserting the plug 210 through the connecting ring 102 and the fixed hole 209 and sliding along the connecting ring 102 and the fixed hole 209, the position of the slide 206 can be fixed, the plug 210 will be firmly clamped in the fixed hole 209 under the influence of gravity, when the hose needs to be removed, pull out the plug 210 upward to unlock the rotating clamp a 202 and the rotating clamp b 203.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A magnetic pole gas differential pressure gauge, characterized by, The utility model relates to a kind of double-rotary clamp, including: Shell (1), the bottom of shell (1) is provided with two connecting ports (101); Clamping part (2), clamping part (2) is arranged at the bottom of shell (1), clamping part (2) has fixedly arranged fixed shaft (201) on the bottom of shell (1), rotatingly arranged rotating clamp a (202) on fixed shaft (201), rotatingly arranged rotating clamp b (203) is also arranged on fixed shaft (201), rotating clamp a (202) and rotating clamp b (203) are mutually crossed and are X-shaped, the side of rotating clamp a (202) is rotatably arranged with connecting rod a (204), the side of rotating clamp b (203) is rotatably arranged with connecting rod b (205), the outside of fixed shaft (201) is slidably arranged with sliding carriage (206), the tail end of sliding carriage (206) is rotatably connected with connecting rod a (204), the tail end of sliding carriage (206) is rotatably connected with connecting rod b (205), sliding carriage (206) slides to drive connecting rod a (204) and connecting rod b (205) to rotate to drive rotating clamp a (202) and rotating clamp b (203) to open or close.

2. A magnetic pole gas differential pressure gauge according to claim 1, characterized in that: The shell (1) also has a connecting ring (102) fixedly arranged on the side of the shell (1), and the top of the sliding carriage (206) is provided with a fixed hole (209) penetrating through the sliding carriage (206), and the fixed hole (209) is vertically slidably arranged with a plug (210), and the plug (210) is vertically slidably connected with the connecting ring (102).

3. A magnetic pole gas differential pressure gauge according to claim 1, wherein: The middle part of the rotating clamp a (202) is provided with a rotating groove, and the fixed shaft (201) penetrates through the rotating groove and is rotatably connected with the rotating clamp a (202), and the rotating clamp a (202) is rotatably connected with the connecting rod a (204) through the penetrating rotating shaft.

4. A magnetic pole gas differential pressure gauge according to claim 1, wherein: The middle part of the rotating clamp b (203) is provided with a rotating groove, and the fixed shaft (201) penetrates through the rotating groove and is rotatably connected with the rotating clamp b (203), and the rotating clamp b (203) is rotatably connected with the connecting rod a (204) through the penetrating rotating shaft.

5. A magnetic pole gas differential pressure gauge according to claim 1, wherein: The clamping part (2) further has a sliding groove (207) opened at the top of the sliding carriage (206) and the bottom, and the fixed shaft (201) is embedded in the sliding groove (207) and slidably connected with the sliding carriage (206), and the side of the sliding carriage (206) is engraved with anti-skid lines.

6. A magnetic pole gas differential pressure gauge according to claim 5, wherein: The clamping part (2) further has a transmission shaft (208) arranged in the sliding carriage (206), the transmission shaft (208) is rotatably connected with the end of the connecting rod a (204) away from the rotating clamp a (202), and the transmission shaft (208) is rotatably connected with the end of the connecting rod b (205) away from the rotating clamp b (203).

7. A magnetic pole gas differential pressure gauge according to claim 1, wherein: The inner side of the arc surface for clamping at both ends of the rotating clamp a (202) and the rotating clamp b (203) is engraved with anti-skid lines.

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