CN210513526U - Explosion-proof electric contact pressure gauge - Google Patents
Explosion-proof electric contact pressure gauge Download PDFInfo
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- CN210513526U CN210513526U CN201921828897.1U CN201921828897U CN210513526U CN 210513526 U CN210513526 U CN 210513526U CN 201921828897 U CN201921828897 U CN 201921828897U CN 210513526 U CN210513526 U CN 210513526U
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Abstract
The utility model relates to an explosion-proof electric contact pressure gauge, which comprises a shell component, a pressure indication core component, an elastic pressure measuring component and an electric contact component, wherein the shell component comprises a rear cover, a front cover and a middle shell fixedly arranged between the front cover and the rear cover; the opening face at one end of the front cover is provided with explosion-proof glass; the pressure indication movement assembly comprises a dial plate, a pointer arranged on the dial plate and a damping movement matched with the pointer; the inner joint of the elastic pressure measuring assembly is arranged on the fixed aluminum pad, and the bottom of the inner joint penetrates through the bottom of the middle shell to be connected with the joint body of the pipeline to be detected; the electrical contact assembly includes a fixed contact and a movable contact. The pressure detection device has the advantages of being reasonable in structural design, convenient to operate and use, capable of effectively shortening the distance from the dial plate to the transparent part, more convenient to read, capable of avoiding the influence of vibration on the pointer reading process and the like, and can meet the pressure detection of explosive dangerous places in coal mine underground, oil exploitation sites and chemical industry.
Description
Technical Field
The utility model relates to a manometer technical field especially relates to an explosion-proof electric contact manometer, and it mainly is applied to the pressure detection in the explosive dangerous place in the colliery is down, oil exploitation scene and chemical industry.
Background
In coal mine underground, oil exploitation field and explosive dangerous place in chemical industry, the pressure gauge in the prior art has the following defects:
1. the dial plate of the original product is far away from the transparent piece, which causes inconvenience for reading;
2. the original product is in the vibration environment, and the pointer is unstable, rocks to a great extent, influences the reading.
The utility model discloses just provide under the above-mentioned research background, aim at providing an explosion-proof electric contact manometer to overcome above-mentioned defect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: overcome the above-mentioned not enough that prior art pressure gauge exists, provide an explosion-proof electric contact pressure gauge, it has structural design reasonable, operation convenient to use, can effectively shorten the dial plate to the distance of transparency, makes things convenient for the reading more to and avoid vibrations to advantages such as the influence that produces in the pointer reading process, can satisfy the pressure detection in the colliery underground, the oil exploitation scene and the explosive danger place in the chemical industry.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an explosion-proof electric contact pressure gauge comprises a shell assembly, a pressure indication core assembly, an elastic pressure measuring assembly and an electric contact assembly, wherein the shell assembly comprises a rear cover, a front cover and a middle shell fixedly arranged between the front cover and the rear cover; explosion-proof glass is arranged on the opening face at one end of the front cover; the front cover and the rear cover are both in threaded connection with the middle shell; the pressure indication movement assembly comprises a dial plate, a pointer arranged on the dial plate and a damping movement matched with the pointer, wherein the dial plate is arranged on a fixed aluminum pad of the middle shell close to the opening surface at the other end of the front cover; the elastic pressure measuring assembly comprises an elastic piece and an inner joint, one end of the elastic piece is connected with the inner joint, and the other end of the elastic piece is movably connected with the damping movement through a connecting piece; the inner joint of the elastic pressure measuring assembly is arranged on the fixed aluminum pad, and the bottom of the inner joint penetrates through the bottom of the middle shell to be connected with the joint body of the pipeline to be detected; the electric contact assembly comprises a fixed joint fixedly arranged on the back cover and a movable joint arranged on the dial plate, and the movable joint is connected and disconnected with the pointer to control the connection and disconnection of the circuit; the fixed joint is electrically connected with the movable joint; an O-shaped sealing ring is arranged at the joint of the bottom of the inner joint and the middle shell; the thickness of the front cover and the middle shell is 16-17mm, and the length of the threaded connection surface of the middle shell and the front cover is 6-8 mm.
As a further optimization of the above scheme, the rear cover is fixedly mounted on the housing through a fixing bolt; and a rubber gasket is arranged at the joint of the fixing bolt and the shell.
As a further optimization of the scheme, the shell is further provided with a reflective sticker.
Adopt the utility model discloses an explosion-proof electric contact pressure gauge has following beneficial effect: structural design is reasonable, operation convenient to use, can effectively shorten the dial plate to the distance of transparency, make things convenient for the reading more to and avoid vibrations to advantages such as the influence that pointer reading in-process produced, can satisfy the pressure detection in the colliery underground, the oil exploitation scene and the explosive danger place in the chemical industry.
Drawings
Figure 1 is the structure schematic diagram of the explosion-proof electric contact pressure gauge in front view.
Fig. 2 is a rear view structure diagram of the explosion-proof electric contact pressure gauge of the present invention.
FIG. 3 is a schematic cross-sectional view A-A of FIG. 1.
Detailed Description
The explosion-proof electric contact pressure gauge of the present invention will be described in detail with reference to the attached drawings 1-3.
An explosion-proof electric contact pressure gauge comprises a shell assembly, a pressure indication core assembly, an elastic pressure measuring assembly and an electric contact assembly, wherein the shell assembly comprises a rear cover 1, a front cover 2 and a middle shell 3 fixedly arranged between the front cover and the rear cover; an opening face at one end of the front cover is provided with an explosion-proof glass 4; the front cover and the rear cover are both in threaded connection with the middle shell; the pressure indication movement assembly comprises a dial 5, a pointer 6 arranged on the dial and a damping movement 7 matched with the pointer, wherein the dial is arranged on a fixed aluminum pad 8 of the middle shell close to the opening surface at the other end of the front cover; the elastic pressure measuring assembly comprises an elastic piece 9 and an inner joint 10, one end of the elastic piece is connected with the inner joint, and the other end of the elastic piece is movably connected with the damping movement through a connecting piece 11; the inner joint of the elastic pressure measuring assembly is arranged on the fixed aluminum pad, and the bottom of the inner joint penetrates through the bottom of the middle shell to be connected with the joint body of the pipeline to be detected; the electric contact assembly comprises a fixed joint 12 fixedly arranged on the back cover and a movable joint 13 arranged on the dial plate, and the movable joint is connected and disconnected with the pointer to control the connection and disconnection of the circuit; the fixed joint is electrically connected with the movable joint; an O-shaped sealing ring is arranged at the joint of the bottom of the inner joint and the middle shell; the thickness of the front cover and the middle shell is 16-17mm, and the length of the threaded connection surface of the middle shell and the front cover is 6-8 mm. The rear cover is fixedly arranged on the shell through a fixing bolt; and a rubber gasket is arranged at the joint of the fixing bolt and the shell. The shell is also provided with a reflective sticker.
The utility model discloses an explosion-proof electric contact pressure gauge is when using, and when the manometer pressurized, elastic element pressurized expansion deformation, the pulling core, the core drives the pointer clockwise rotation. When the pointer does not exceed the low-voltage set point of the movable contact, the lower-limit contact is in a disconnected state, and the upper-limit contact is in a disconnected state. When the pointer exceeds the high-voltage set point of the movable contact, the lower limit contact is in an open state, and the upper limit contact is in a closed state.
The embodiments described above are intended to facilitate one of ordinary skill in the art to understand and practice the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments herein, and those skilled in the art should understand that modifications and alterations made without departing from the scope of the present invention are within the protection scope of the present invention.
Claims (3)
1. An explosion-proof electric contact pressure gauge, its characterized in that: the anti-explosion electric contact pressure gauge comprises a shell assembly, a pressure indication core assembly, an elastic pressure measuring assembly and an electric contact assembly, wherein the shell assembly comprises a rear cover (1), a front cover (2) and a middle shell (3) fixedly arranged between the front cover and the rear cover; an opening face at one end of the front cover is provided with explosion-proof glass (4); the front cover and the rear cover are both in threaded connection with the middle shell; the pressure indication movement assembly comprises a dial (5), a pointer (6) arranged on the dial and a damping movement (7) matched with the pointer, wherein the dial is arranged on a fixed aluminum pad (8) of the middle shell close to an opening surface at the other end of the front cover; the elastic pressure measuring assembly comprises an elastic piece (9) and an inner joint (10), one end of the elastic piece is connected with the inner joint, and the other end of the elastic piece is movably connected with the damping movement through a connecting piece (11); the inner joint of the elastic pressure measuring assembly is arranged on the fixed aluminum pad, and the bottom of the inner joint penetrates through the bottom of the middle shell to be connected with the joint body of the pipeline to be detected; the electric contact assembly comprises a fixed joint (12) fixedly arranged on the back cover and a movable joint (13) arranged on the dial plate, and the movable joint is connected with and disconnected with the pointer so as to control the connection and disconnection of the circuit; the fixed joint is electrically connected with the movable joint; an O-shaped sealing ring is arranged at the joint of the bottom of the inner joint and the middle shell; the thickness of the front cover and the middle shell is 16-17mm, and the length of the threaded connection surface of the middle shell and the front cover is 6-8 mm.
2. An explosion-proof electro-contact pressure gauge as set forth in claim 1, wherein: the rear cover is fixedly arranged on the shell through a fixing bolt; and a rubber gasket is arranged at the joint of the fixing bolt and the shell.
3. An explosion-proof electro-contact pressure gauge as set forth in claim 1, wherein: the shell is also provided with a reflective sticker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828897.1U CN210513526U (en) | 2019-10-29 | 2019-10-29 | Explosion-proof electric contact pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828897.1U CN210513526U (en) | 2019-10-29 | 2019-10-29 | Explosion-proof electric contact pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210513526U true CN210513526U (en) | 2020-05-12 |
Family
ID=70573802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828897.1U Active CN210513526U (en) | 2019-10-29 | 2019-10-29 | Explosion-proof electric contact pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210513526U (en) |
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2019
- 2019-10-29 CN CN201921828897.1U patent/CN210513526U/en active Active
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