Novel ceramic capacitor vacuum gauge

Abstract

The utility model discloses a novel ceramic capacitor vacuum gauge which comprises a supporting device used for supporting, a sealing cover plate used for sealing is arranged on the upper end face of the supporting device, and a butt joint socket is arranged at the center of the upper end face of the sealing cover plate. According to the ceramic diaphragm cleaning device, through the arrangement of the protection device and the supporting device, when a ceramic diaphragm is cleaned quickly and conveniently, the fixing head can be in threaded connection with the threaded rotating groove through the threaded rotating cylinder, and then the fixing head and the fixing shell can be quickly and conveniently detached, so that the convenience of cleaning the ceramic diaphragm by workers is effectively improved, and the working efficiency is improved. Meanwhile, when the capacitive sensing module is overhauled and maintained, the sealing cover plate can be quickly disassembled through threaded connection of a threaded rotating sleeve and a threaded guide groove, the convenience of equipment maintenance can be effectively improved through a dual disassembling structure, the protection performance of the exterior of the equipment can be effectively improved through a protection clamping ring and a supporting sheath, and the service life of the equipment is prolonged. And the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor vacuum gauge equipment technical field, concretely is a new type ceramic capacitor vacuum gauge. BACKGROUND

[0002] Ceramic capacitor vacuum gauge is through the change of the capacitance between the elastic film and fixed metal electrode to determine the thin film deformation degree, thereby obtains the pressure value vacuum gauge, ceramic capacitor vacuum gauge is mainly by elastic metal film, fixed metal electrode, ceramic insulator etc. Component, the elastic metal film is located between two fixed metal electrodes, forms the capacitor structure.

[0003] But the capacitor structure of prior art ceramic capacitor vacuum gauge is very sensitive to pollution, once pollution occurs, such as dust, oil vapor etc. Adhere to the ceramic diaphragm, will change the capacitance value, lead to measurement error, and the existing capacitor vacuum gauge is mostly integral design, thereby reduce the subsequent ceramic diaphragm cleaning convenience, so there is an urgent need for a new type ceramic capacitor vacuum gauge to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a new type ceramic capacitor vacuum gauge to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a new type ceramic capacitor vacuum gauge, including the support device for supporting, the upper end surface of the support device is provided with the sealing cover plate for closing, the upper end surface center of the sealing cover plate is provided with the butt joint socket,

[0006] Capacitance sensing module, the capacitance sensing module is fixedly arranged at the lower end surface center of the sealing cover plate, and a threaded sleeve is arranged at the lower end surface of the sealing cover plate close to the outside, and the lower end surface center of the capacitance sensing module is provided with a ceramic diaphragm.

[0007] Protection device, the protection device is screw connected at the lower end surface of the support device.

[0008] Preferably, the protection device includes a fixing head for supporting, a threaded barrel is arranged at the upper end surface of the fixing head close to the middle part, a sealing sleeve is arranged at the upper end surface of the fixing head close to the outside, a support sheath is arranged at the upper end surface of the threaded barrel close to the outside of the sealing sleeve, and a protection snap ring is equidistantly arranged at the outer end surface of the support sheath.

[0009] Preferably, the support device includes a fixed shell, a threaded groove is formed in the lower end surface center of the fixed shell, a sealing sliding groove is formed in the bottom of the side end surface of the fixed shell, and a threaded guide groove is formed in the upper end surface center of the fixed shell.

[0010] Preferably, the sealing sleeve is sealingly connected to the outside of the fixed shell through the sealing sliding groove, and the sealing sliding connection between the sealing sleeve and the sealing sliding groove can further improve the stability of the sealing between the fixed head and the bottom of the fixed shell, thereby improving the accuracy of subsequent equipment for vacuum detection.

[0011] Preferably, the fixed shell is sealingly connected to the fixed head through the threaded rotating sleeve and the threaded rotating cylinder, so that subsequent workers can conveniently and quickly disassemble the fixed head, thereby improving the convenience of subsequent cleaning and maintenance of the ceramic diaphragm.

[0012] Preferably, the sealing cover plate is sealingly connected to the upper end face of the fixed shell through the threaded rotating sleeve and the threaded guide groove, so that subsequent workers can conveniently and quickly disassemble the capacitive sensing module and the sealing cover plate through the threaded connection between the threaded rotating sleeve and the threaded guide groove, thereby improving the convenience of subsequent replacement and maintenance of the capacitive sensing module.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a protective device and a supporting device are arranged, when the ceramic diaphragm is cleaned quickly and conveniently, the fixed head can be connected through the threaded connection between the threaded rotating cylinder and the threaded rotating groove, and then the fixed shell is quickly and conveniently disassembled, the convenience of the worker for cleaning the ceramic diaphragm is effectively improved, and when the capacitive sensing module is maintained and maintained, the sealing cover plate can be quickly disassembled through the threaded connection between the threaded rotating sleeve and the threaded guide groove, the double disassembly structure can effectively improve the convenience of the equipment for maintenance, and the protective snap ring and the supporting sheath can effectively improve the protection of the outside of the equipment, thereby prolonging the service life of the equipment. ACCURACY

[0015] Figure 1 It is the disassembly view of the main body of the utility model;

[0016] Figure 2 It is the disassembly side view of the main body of the utility model;

[0017] Figure 3 It is the structure schematic view of the main body of the utility model;

[0018] Figure 4 It is the structure schematic view of the protective device of the utility model;

[0019] Figure 5 It is the structure schematic view of the supporting device of the utility model;

[0020] Figure 6 It is the side view of the supporting device of the utility model.

[0021] In the figure: 1-threaded sleeve, 2-protection device, 3-supporting device, 4-capacitance induction module, 5-sealing cover plate, 6-mating socket, 7-ceramic diaphragm, 21-protection snap ring, 22-supporting sheath, 23-sealing sleeve, 24-threaded rotating cylinder, 25-fixed head, 31-fixed housing, 32-sealing sliding groove, 33-threaded rotating groove, 34-threaded guide groove. DETAILED DESCRIPTION

[0022] The technical solutions 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 the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides an embodiment: a novel ceramic capacitance vacuum gauge, including supporting device 3 for supporting, the upper end face of supporting device 3 is provided with sealing cover plate 5 for closing, the upper end face center of sealing cover plate 5 is provided with mating socket 6,

[0024] Capacitance induction module 4, capacitance induction module 4 is fixedly arranged at the lower end face center of sealing cover plate 5, and the lower end face of sealing cover plate 5 is provided with threaded sleeve 1 close to the outside, and the lower end face center of capacitance induction module 4 is provided with ceramic diaphragm 7;

[0025] Protection device 2, protection device 2 is threadedly connected at the lower end face of supporting device 3.

[0026] Protection device 2 includes fixed head 25 for supporting, the upper end face of fixed head 25 is provided with threaded rotating cylinder 24 close to the middle part, and sealing sleeve 23 is provided at the upper end face of fixed head 25 close to the outside, supporting sheath 22 is provided at the upper end face of threaded rotating cylinder 24 close to the outside of sealing sleeve 23, and protection snap ring 21 is provided at the outer end face of supporting sheath 22 equidistantly.

[0027] Supporting device 3 includes fixed housing 31, the lower end face center of fixed housing 31 is provided with threaded rotating groove 33, and sealing sliding groove 32 is provided at the bottom of the side end face of fixed housing 31, threaded guide groove 34 is provided at the upper end face center of fixed housing 31.

[0028] The sealing sleeve 23 is sealingly connected with the outside of the fixed shell 31 through the sealing sliding groove 32, the sealing sliding connection between the sealing sleeve 23 and the sealing sliding groove 32 can further improve the stability of the sealing between the fixed head 25 and the bottom of the fixed shell 31, thereby improving the accuracy of subsequent equipment for vacuum detection.

[0029] The fixed shell 31 is sealingly connected with the fixed head 25 through the threaded rotating groove 33 and the threaded rotating cylinder 24, so that the subsequent workers can conveniently and quickly disassemble the fixed head 25, thereby improving the convenience of subsequent cleaning and maintenance of the ceramic diaphragm 7.

[0030] The sealing cover plate 5 is sealingly connected to the upper end face of the fixed shell 31 through the threaded rotating sleeve 1 and the threaded guide groove 34, so that the threaded connection between the threaded rotating sleeve 1 and the threaded guide groove 34 can conveniently and quickly disassemble the capacitive sensing module 4 and the sealing cover plate 5, thereby improving the convenience of subsequent replacement and maintenance of the capacitive sensing module 4.

[0031] Working principle: Before maintenance, if the outside of the ceramic diaphragm 7 is contaminated and needs to be cleaned and maintained, the workers can lock the bottom of the fixed head 25 through external tools, then rotate, the fixed head 25 can be disassembled from the fixed shell 31 through the threaded connection between the threaded rotating cylinder 24 and the threaded rotating groove 33, then the workers can use cotton swabs, soft cloth, brushes and other tools to clean the outside of the ceramic diaphragm 7 in all directions with organic solvents, if the capacitive sensing module 4 needs to be maintained and repaired, the workers can disassemble the sealing cover plate 5 through the threaded connection between the threaded rotating sleeve 1 and the threaded guide groove 34, and the support sheath 22 and the protective snap ring 21 are buffer materials, which can protect the capacitive sensing module 4 inside the equipment, and the double-sealing connection structure of the sealing sleeve 23, the threaded rotating cylinder 24 and the fixed shell 31 can effectively improve the stability of the sealing between the fixed shell 31 and the fixed head 25, thereby improving the detection accuracy.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel ceramic capacitor vacuum gauge, comprising a support device (3) for support, a sealing cover plate (5) for closure is arranged at the upper end face of the support device (3), a docking socket (6) is arranged at the center of the upper end face of the sealing cover plate (5), characterized in that: a capacitance sensing module (4) is fixedly arranged at the center of the lower end face of the sealing cover plate (5), and a threaded rotating sleeve (1) is arranged at the lower end face of the sealing cover plate (5) close to the outside, and a ceramic diaphragm (7) is arranged at the center of the lower end face of the capacitance sensing module (4); a protection device (2) is threadedly connected to the lower end face of the support device (3). The protection device (2) comprises a fixed head (25) for support, a threaded rotating cylinder (24) is arranged at the upper end face of the fixed head (25) close to the middle part, a sealing sleeve (23) is arranged at the upper end face of the fixed head (25) close to the outside, a support sheath (22) is arranged at the upper end face of the threaded rotating cylinder (24) close to the outside of the sealing sleeve (23), and a protection snap ring (21) is equidistantly arranged at the outer end face of the support sheath (22).

2. A novel ceramic capacitor vacuum gauge according to claim 1, characterized in that: The support device (3) comprises a fixed shell (31), a threaded rotating groove (33) is arranged at the center of the lower end face of the fixed shell (31), a sealing sliding groove (32) is arranged at the bottom of the side end face of the fixed shell (31), and a threaded guide groove (34) is arranged at the center of the upper end face of the fixed shell (31).

3. A novel ceramic capacitor vacuum gauge according to claim 2, characterized in that: The sealing sleeve (23) is sealingly and tightly connected with the outside of the fixed shell (31) through the sealing sliding groove (32).

4. A novel ceramic capacitor vacuum gauge according to claim 3, characterized in that: The fixed shell (31) is sealingly and threadedly connected with the fixed head (25) through the threaded rotating groove (33) and the threaded rotating cylinder (24).

5. A novel ceramic capacitor vacuum gauge according to claim 3, characterized in that: The sealing cover plate (5) is sealingly and threadedly connected to the upper end face of the fixed shell (31) through the threaded rotating sleeve (1) and the threaded guide groove (34).

6. A novel ceramic capacitor vacuum gauge according to claim 3, characterized in that: ​

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