CN114167091A - Multifunctional sealing joint based on density relay calibrator - Google Patents

Abstract

The invention discloses a multifunctional sealing joint based on a density relay calibrator, which comprises a fixing assembly, wherein the fixing assembly comprises a fixing seat, the fixing seat is provided with an inserting hole, the bottom of the inserting hole is provided with a connecting cavity, the bottom of the connecting cavity is provided with a first through hole, a first pipeline is arranged in the first through hole, and the part of the first pipeline, which is positioned in the connecting cavity, is provided with a first limiting round table; the connecting assembly comprises a handheld piece, wherein the handheld piece is provided with a second pipeline which can be embedded into the insertion hole to be connected with the first pipeline; one end of the second pipeline, which is far away from the fixing component, is provided with a ball groove, the ball diameter of the ball groove is larger than the inner diameter of the second pipeline, a ball body is arranged in the ball groove, and the ball body is provided with a through valve hole; the pipe joint is simple and convenient to operate, quick to connect and simple in structure, hard or soft pipes can be conveniently connected, the pipe joint has the valve effect, the pipe joint can be quickly connected, meanwhile, the flow rate of the pipe joint can be adjusted, and one part of the pipe joint is used as a valve.

Description

Multifunctional sealing joint based on density relay calibrator

Technical Field

The invention relates to the field of sealing joints, in particular to a multifunctional sealing joint based on a density relay calibrator.

Background

The gas density relay is generally used for monitoring and controlling the density of insulating gas in high-voltage electrical equipment, a contact signal control loop is arranged in the gas density relay, a gas path of the gas density relay is communicated with a gas chamber of the high-voltage electrical equipment, when gas leakage is detected, a contact of the gas density relay acts to generate a contact signal, and the contact signal control loop gives an alarm or locks according to the contact signal, so that the safe operation protection of the electrical equipment is realized.

At present, SF6 (sulfur hexafluoride) electrical equipment is widely applied to electric power departments and industrial and mining enterprises, and rapid development of the electric power industry is promoted. In recent years, with the rapid development of economy, the capacity of a power system in China is rapidly expanded, and the usage amount of SF6 electrical equipment is more and more. The SF6 gas has the functions of arc extinction and insulation in high-voltage electrical equipment, the density reduction and the micro water content of the SF6 gas in the high-voltage electrical equipment seriously affect the safe operation of the SF6 high-voltage electrical equipment if exceeding the standard, therefore, a reliable calibrator is needed to carry out calibration work on a density relay, the pipeline connection between the existing calibration equipment and the density relay is more in threaded connection or welded connection or groove connection, the connection mode has high processing strength, and the installation work efficiency is lower.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that a reliable calibrator is required to perform calibration work on the density relay, and more pipeline connections between the existing calibration equipment and the density relay adopt threaded connection, welded connection or groove connection, so that the connection mode has high processing strength and low installation work efficiency.

In order to solve the technical problems, the invention provides the following technical scheme: a multifunctional sealing joint based on a density relay calibrator comprises a fixing assembly and a sealing assembly, wherein the fixing assembly comprises a fixing seat, the fixing seat is provided with an inserting hole, the bottom of the inserting hole is provided with a connecting cavity, the bottom of the connecting cavity is provided with a first through hole, a first pipeline is arranged in the first through hole, and a part of the first pipeline, which is positioned in the connecting cavity, is provided with a first limiting round platform;

the connecting assembly comprises a handheld piece, wherein a second pipeline is arranged on the handheld piece and can be embedded into the insertion hole to be connected with the first pipeline;

the second pipeline is kept away from the one end of fixed subassembly is provided with the ball groove, and the ball footpath in ball groove is greater than the internal diameter of second pipeline, install the spheroid in the ball groove, the spheroid is provided with the valve opening that runs through.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: the second pipeline is provided with an adjusting hole communicated with the ball groove, the ball body is provided with a valve rod, the axial lead of the valve rod is perpendicular to the axial lead of the valve hole, and the valve rod penetrates through the adjusting hole.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: the one end that the regulation hole is located outside the second pipeline is provided with the location boss, valve rod tip be provided with the regulation pole of location boss laminating.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: the locating boss is provided with a plurality of locating holes which are evenly distributed along the circumference, the adjusting rod is provided with a locating groove at one end contacted with the locating boss, a locating pin is arranged in the locating groove, an elastic piece is arranged between the locating pin and the bottom of the locating groove, and one end of the locating pin extending out of the locating groove is chamfered and is embedded into one of the locating holes.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: a first long groove extending along the radial direction is formed in the side face of the insertion hole, a sliding block is connected in the first long groove, a second long groove used for limiting is formed in the side face of the first long groove, a limiting boss is arranged on the side face of the sliding block, the limiting boss is embedded into the second long groove, a first spring is arranged between the sliding block and the bottom of the first long groove, an inclined plane is arranged at one end, close to the circle center of the insertion hole, of the sliding block, and the end, provided with the inclined plane, of the sliding block is wedge-shaped; a second limiting round table is arranged at the end part of the second pipeline; the handheld piece is further provided with an annular boss coaxial with the second pipeline, the second pipeline is sleeved with a moving ring, and one end of the moving ring is located between the annular boss and the second pipeline.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: a limiting ring is arranged at one end, away from the handheld piece, of the annular boss, the inner diameter of the limiting ring is smaller than that of the annular boss, the inner diameter of the annular boss is larger than the outer diameter of the movable ring, a third limiting round table is arranged at one end, away from the second limiting round table, of the movable ring, a second spring is arranged between the third limiting round table and the limiting ring, and the second spring is sleeved outside the second pipeline; the first pipeline is provided with a first channel which penetrates through the first pipeline, and the second pipeline is provided with a second channel which penetrates through the second pipeline.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: a third long groove extending along the axial direction is formed in the side face of the annular boss, a limiting pin is arranged on the side face of the third limiting round table, and the limiting pin penetrates through the third long groove;

the handheld piece is connected with the rotation circle in the outside, the handheld piece outside is provided with the annular groove, the rotation circle medial surface is provided with the arch of extending to centre of a circle department, the arch embedding in the annular groove.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: the end part of the rotating ring is evenly provided with a plurality of clamping grooves, the bottom surfaces of the clamping grooves are parallel to the end surface of the rotating ring, two side surfaces of the clamping grooves are inclined planes, and the limiting pin is in contact with the end surface of the rotating ring or the surface of the clamping groove.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: and a third spring is arranged between the first limiting round table and the end surface of the connecting cavity, and the third spring is sleeved outside the first pipeline.

The invention discloses a preferable scheme of a multifunctional sealing joint based on a density relay calibrator, wherein the multifunctional sealing joint comprises the following components: the end face of the first limiting round platform is provided with a sealing groove, and the end face of the second limiting round platform is provided with a sealing boss which can be matched and connected with the sealing groove; the side of the connecting cavity is provided with a limit ring platform extending towards the axis direction, and the inner diameter of the limit ring platform is smaller than the outer diameter of the first limit round platform.

The invention has the beneficial effects that: the compressor, the air storage tank, the micro vacuumizing device and the calibration unit are integrated into a whole, the carrying is convenient, and the weight is controlled within 10 kg; the pipe joint applied to the equipment is simple and convenient to operate, quick to connect, simple in structure and capable of being used repeatedly, hard or soft pipes can be connected conveniently, the pipe joint has the effect of a valve, the flow rate of the pipe joint can be adjusted while the pipe joint can be connected quickly, and one part of the pipe joint is used as the valve.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic structural diagram of a multifunctional sealing joint based on a density relay calibrator according to an embodiment of the present invention;

fig. 2 is a partially enlarged structural schematic view of the multifunctional sealing joint based on the density relay calibrator according to an embodiment of the present invention;

fig. 3 is a schematic view of an exploded structure of a connecting component in a multifunctional sealing joint based on a density relay calibrator according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an exploded structure of a fixing component in a multifunctional sealing joint based on a density relay calibrator according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a multifunctional sealing joint based on a density relay calibrator according to an embodiment of the present invention before connection;

fig. 6 is a schematic structural diagram of a rotating ring in a multifunctional sealing joint based on a density relay calibrator according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a density relay calibrator in the multifunctional sealed joint based on the density relay calibrator according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 6, the embodiment provides a multifunctional sealing joint based on a density relay calibrator, which includes a fixing component 100 and a connecting component 200, wherein the fixing component 100 is fixed on one device of the density relay calibrator and fixedly connected with a pipeline, which comprises a fixed seat 101 fixed on the equipment, the fixed seat 101 is provided with an insertion hole 101a, the bottom of the insertion hole 101a is provided with a connecting cavity 101b, the insertion hole 101a and the connecting cavity 101b are both circular holes, the diameter of the connecting cavity 101b is larger than that of the insertion hole 101a, a first through hole 101c is formed in the bottom of the connecting cavity 101b, the diameter of the first through hole 101c is smaller than that of the connecting cavity 101b, a first pipeline 102 is arranged in the first through hole 101c, the first pipeline 102 can move in the first through hole 101c in the axial direction, and a first limiting circular truncated cone 102a is arranged on the portion, located in the connecting cavity 101b, of the first pipeline 102; the first limit boss 102a is axially movable within the connection cavity 101 b.

The connection assembly 200 is connected with the pipes and then connected with the first pipe 102 of the fixing assembly 100, and includes a hand piece 201, the hand piece 201 is provided with a second pipe 201a, the second pipe 201a can be inserted into the insertion hole 101a to be connected with the first pipe 102, and the connection of the second pipe 201a with the first pipe 102 can be used for connecting two devices in a sealing manner through the pipes.

Further, one end of the second pipeline 201a, which is far away from the fixing assembly 100, is provided with a ball groove 201i, the ball diameter of the ball groove 201i is larger than the inner diameter of the second pipeline 201a, a ball 300 is installed in the ball groove 201i, the ball 300 can rotate in the ball groove 201i, the ball 300 is provided with a through valve hole 301, and the valve hole 301 is a cylindrical through hole, so when the valve hole 301 and the second pipeline 201a are coaxial, gas can pass through the second pipeline 201a, and when the ball 300 is operated to rotate until the axis of the valve hole 301 is perpendicular to the axis of the second pipeline 201a, the second pipeline 201a is blocked, and at this time, the second pipeline 201a is in a sealed state, and gas cannot pass through.

The second pipeline 201a is provided with an adjusting hole 201j which penetrates through the ball groove 201i, the ball 300 is provided with a valve rod 302, the axial lead of the valve rod 302 is perpendicular to the axial lead of the valve hole 301, the valve rod 302 penetrates through the adjusting hole 201j, and the angle of the ball 300 is controlled by operating the valve rod 302, wherein the sealing process between the valve rod 302 and the over-adjusting hole 201j is the prior art and is not described again.

Preferably, one end of the adjusting hole 201j located outside the second pipe 201a is provided with a positioning boss 201k, and the end of the valve rod 302 is provided with an adjusting rod 303 attached to the positioning boss 201 k. It should be noted that the longitudinal direction of the adjustment rod 303 coincides with the axial center line direction of the valve hole 301. Wherein, be provided with a plurality of locating hole 201m along circumference evenly distributed on the location boss 201k, the one end of adjusting pole 303 and the contact of location boss 201k is provided with constant head tank 303a, be provided with locating pin 304 in the constant head tank 303a, locating pin 304 can move along the axial in constant head tank 303a, be provided with elastic component 205 between locating pin 304 and the constant head tank 303a bottom, elastic component 205 is pressure spring, the one end rounding that locating pin 304 stretches out constant head tank 303a is handled and is imbedded in one of them locating hole 201 m. Therefore, under the action of the elastic element 205, the tail end of the positioning pin 304 is embedded into the positioning hole 201m, wherein the depth of the positioning hole 201m is consistent with the radius of the rounded corner at the end of the positioning pin 304, the adjusting rod 303 can be rotated by slightly applying force ratio during operation, in the process of rotating the adjusting rod 303, the positioning pin 304 has the rounded corner, so that the rounded corner can move out along the original positioning hole 201m, and when the positioning pin moves to the next positioning hole 201m, the positioning pin is embedded into the positioning hole 201m again under the action of the elastic element 205, and the valve can be played by shifting the adjusting rod 303.

A first long groove 101d extending along the radial direction is arranged on the side surface of the insertion hole 101a, a sliding block 103 is connected in the first long groove 101d, the sliding block 103 can move in the first long groove 101d along the radial direction of the insertion hole 101a, a second long groove 101e used for limiting is arranged on the side surface of the first long groove 101d, a limiting boss 103a is arranged on the side surface of the sliding block 103, the limiting boss 103a is embedded in the second long groove 101e, the limiting boss 103a is matched with the second long groove 101e to limit the moving range of the sliding block 103, a first spring 204 is arranged between the sliding block 103 and the bottom of the first long groove 101d, the first spring 204 is a pressure spring and can push the sliding block 103 to move towards the center of the insertion hole 101a, an inclined surface 103b is arranged at one end of the sliding block 103 close to the center of the insertion hole 101a, and one end of the sliding block 103 provided with the inclined surface 103b is wedge-shaped; the end of the second pipe 201a is provided with a second limiting round platform 201b, so that in the process of inserting the second pipe 201a into the connecting cavity 101b, the outer side of the second limiting round platform 201b abuts against the inclined surface 103b, the sliding block 103 is extruded into the first long groove 101d, and after the second limiting round platform 201b passes over the sliding block 103, the sliding block 103 is ejected and clamped on the side surface of the second limiting round platform 201b again, so that the second pipe 201a is axially limited at this time, and the two pipes are connected.

Further, the hand piece 201 is further provided with an annular boss 201c coaxial with the second pipeline 201a, the annular boss 201c extends to the second limiting round table 201b along the axial direction, and after the connection between the fixing assembly 100 and the connecting assembly 200 is completed, the annular boss 201c just abuts against the end face of the fixing seat 101; a moving ring 205 is sleeved outside the second pipe 201a, one end of the moving ring 205 is located between the annular boss 201c and the second pipe 201a, and the moving ring 205 can move along the axial direction.

A limiting ring 201d is arranged at one end, far away from the hand piece 201, of the annular boss 201c, the inner diameter of the limiting ring 201d is smaller than that of the annular boss 201c, the inner diameter of the annular boss 201c is larger than the outer diameter of the moving ring 205, a third limiting circular table 205a is arranged at one end, far away from the second limiting circular table 201b, of the moving ring 205, a second spring 206 is arranged between the third limiting circular table 205a and the limiting ring 201d, the second spring 206 is sleeved outside the second pipeline 201a, the second spring 206 is a pressure spring, the elastic force of the second spring 206 pushes the moving ring 205 to enable a gap to exist between the moving ring 205 and the second limiting circular table 201b, when the pipelines are connected, the inclined surface 103b end of the sliding block 103 is embedded into the gap between the moving ring 205 and the second limiting circular table 201b, and one surface of the sliding block 103 is tightly contacted with the second limiting circular table 201 b.

It should be noted that the first pipe 102 is provided with a first through passage 102b and the second pipe 201a is provided with a second through passage 201e for conveying gas.

Further, a third long groove 201f extending in the axial direction is formed in the side surface of the annular boss 201c, a limit pin 205b is arranged on the side surface of the third limit round platform 205a, and the limit pin 205b penetrates through the third long groove 201f, so that the moving ring 205 can move in the axial direction by pulling the limit pin 205 b; when the fixing component 100 and the connecting component 200 need to be separated, the limiting pin 205b is pushed to compress the second spring 206, the moving ring 205 is close to the second limiting circular platform 201b, in the process, the end of the moving ring 205 presses the inclined surface 103b to enable the sliding block 103 to be contracted into the first long groove 101d, and the connecting component 200 is not limited by the sliding block 103 any more, so that the connecting component 200 can be separated from the fixing component 100.

Furthermore, a rotating ring 207 is connected to the outside of the hand piece 201, an annular groove 201g is formed in the outside of the hand piece 201, a protrusion 207a extending towards the center of the circle is formed in the inner side surface of the rotating ring 207, and the protrusion 207a is embedded into the annular groove 201g, so that the rotating ring 207 can rotate outside the hand piece 201 and cannot axially shift; the end of the rotating ring 207 is uniformly provided with a plurality of clamping grooves 207b, the clamping grooves 207b are trapezoidal, the width of an opening of each clamping groove 207b is larger than the width of the bottom of each groove, the bottom surface of each clamping groove 207b is parallel to the end surface of the rotating ring 207, two side surfaces of each clamping groove 207b are inclined surfaces, and the limiting pin 205b is in contact with the end surface of the rotating ring 207 or the surface of each clamping groove 207 b. When the rotating ring 207 is rotated to enable the limit pin 205b to move to the end face of the rotating ring 207 along the inclined surface of the slot 207b, in the process, the rotating ring 207 pushes the limit pin 205b and compresses the second spring 206, and when the limit pin 205b is at the end of the rotating ring 207, the end of the moving ring 205 is also in close contact with the second limit round platform 201b, the sliding block 103 cannot be clamped into the second limit round platform, and then the connecting assembly 200 can be directly pulled out.

Preferably, a third spring 104 is arranged between the first limiting round table 102a and the end face of the connecting cavity 101b, the third spring 104 is sleeved outside the first pipeline 102, the third spring 104 is a pressure spring, and the elastic force of the third spring 104 can push the first limiting round table 102a to tightly contact with the second limiting round table 201b when the first limiting round table and the second limiting round table are connected.

Wherein, the side of connecting cavity 101b is provided with the spacing ring platform 101f that extends to the axle center direction, and the internal diameter of spacing ring platform 101f is less than the external diameter of first spacing round platform 102 a. The stop ring 101f can limit the range of movement of the second stop circular table 201b, and the distance of its setting should satisfy: when the second limiting round table 201b extends into the connecting cavity 101b to be attached, the first limiting round table 102a is pushed to the first limiting round table 102a to be contacted with the limiting ring table 101f, and at this time, the second limiting round table 201b just crosses the sliding block 103 to clamp the second limiting round table 201b for limiting.

Preferably, the end surface of the first limiting round platform 102a is provided with a sealing groove 102c, and the end surface of the second limiting round platform 201b is provided with a sealing boss 201h which can be connected with the sealing groove 102c in a matching manner. In this embodiment, the sealing groove 102c is a hexagonal groove, and the same sealing boss 201h is a hexagonal boss, which can be just in sealing fit with each other and cannot rotate relatively.

In this embodiment, when the pipe joint is connected, the second pipe 201a of the connection assembly 200 is directly inserted into the connection cavity 101b of the fixing assembly 100 for connection; when the pipe joint is separated, the rotating ring 207 is operated to enable the limit pin 205b to move to the end face of the rotating ring 207 along the inclined surface of the clamping groove 207b, in the process, the rotating ring 207 pushes the limit pin 205b and compresses the second spring 206, and when the limit pin 205b is arranged at the end part of the rotating ring 207, the end part of the moving ring 205 is also enabled to be tightly contacted with the second limit round platform 201b, the sliding block 103 cannot be clamped into the second limit round platform, and then the connecting assembly 200 can be directly pulled out.

Example 2

Referring to fig. 7, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: this joint is used at density relay check gauge, and wherein density relay check gauge specifically includes: the air compression unit comprises a compressor, an air storage tank and a pressure gauge, wherein the compressor compresses air into the air storage tank, and the pressure gauge is used for monitoring the pressure value of the air storage tank; the device also comprises a detection control unit, wherein the detection control unit is connected with the gas storage tank; the vacuum unit comprises a vacuumizing machine connected with the detection control unit and a vacuum gauge connected with the vacuumizing machine; the air filled into the equipment by the vacuum-pumping machine is pumped out by the micro vacuum-pumping machine, the vacuum degree in the gauge is monitored in real time by the vacuum gauge, and the automatic or manual stop is carried out when the vacuum degree is lower than a certain set value; the detection control unit is a core component of the whole device, measures the real-time pressure entering the device and filled in the meter by using the pressure sensor, calculates the error of a set point through a temperature compensation function, and finally generates a report, wherein the checking device is connected with the density relay.

Specifically, the compressor works to compress and store air in the air storage tank, the pressure gauge can monitor the pressure in the air storage tank in real time, the pressure in the air storage tank is controlled to be 0.5-0.7 Mpa through the automatic control function of the pressure switch, and the air storage tank is provided for the calibration equipment to use. When the pressure reaches a set value, the air compressor is closed; correctly connecting pipelines and connecting lines between the compressed air type density relay calibration device and the density relay, and starting a test according to requirements; after the test is finished, starting a vacuum unit for vacuumizing, and exhausting residual air in the density relay base;

the pipeline of being connected between detection control unit and the density relay is connected through coupling A, and coupling A includes fixed subassembly and coupling assembling, fixed subassembly and density relay's pipeline fixed connection, coupling assembling and vacuum extractor's pipeline fixed connection. The pipe joint A is used for connecting pipelines

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a multi-functional sealing joint based on density relay check gauge which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the fixing assembly (100) comprises a fixing seat (101), wherein the fixing seat (101) is provided with an insertion hole (101a), the bottom of the insertion hole (101a) is provided with a connecting cavity (101b), the bottom of the connecting cavity (101b) is provided with a first through hole (101c), a first pipeline (102) is arranged in the first through hole (101c), and a first limiting circular truncated cone (102a) is arranged on the part, located in the connecting cavity (101b), of the first pipeline (102);

a connection assembly (200) comprising a handpiece (201), the handpiece (201) being provided with a second duct (201a), the second duct (201a) being insertable into the insertion hole (101a) to be connected with the first duct (102);

one end, far away from fixed subassembly (100), of second pipeline (201a) is provided with ball groove (201i), and the sphere diameter of ball groove (201i) is greater than the internal diameter of second pipeline (201a), install spheroid (300) in ball groove (201i), spheroid (300) are provided with valve opening (301) that run through.

2. The multifunctional sealing joint based on the density relay calibrator of claim 1, wherein: the second pipeline (201a) is provided with an adjusting hole (201j) which penetrates through the ball groove (201i), the ball body (300) is provided with a valve rod (302), the axial line of the valve rod (302) is perpendicular to the axial line of the valve hole (301), and the valve rod (302) penetrates through the adjusting hole (201 j).

3. The multifunctional sealing joint based on the density relay calibrator of claim 2, wherein: one end of the adjusting hole (201j) located outside the second pipeline (201a) is provided with a positioning boss (201k), and the end of the valve rod (302) is provided with an adjusting rod (303) attached to the positioning boss (201 k).

4. The multifunctional seal joint based on the density relay calibrator of claim 3, wherein: be provided with a plurality of locating hole (201m) along circumference evenly distributed on location boss (201k), adjust pole (303) with the one end of location boss (201k) contact is provided with constant head tank (303a), be provided with locating pin (304) in constant head tank (303a), locating pin (304) with be provided with elastic component (205) between constant head tank (303a) bottom, locating pin (304) stretch out one end radius angle processing and embedding one of them in locating hole (201 m).

5. The multifunctional seal joint based on the density relay calibrator of claim 4, wherein: a first long groove (101d) extending along the radial direction is formed in the side surface of the insertion hole (101a), a sliding block (103) is connected in the first long groove (101d), a second long groove (101e) used for limiting is formed in the side surface of the first long groove (101d), a limiting boss (103a) is formed in the side surface of the sliding block (103), the limiting boss (103a) is embedded into the second long groove (101e), a first spring (204) is arranged between the sliding block (103) and the bottom of the first long groove (101d), an inclined surface (103b) is arranged at one end, close to the circle center of the insertion hole (101a), of the sliding block (103), and one end, provided with the inclined surface (103b), of the sliding block (103) is in a wedge shape; a second limiting circular table (201b) is arranged at the end part of the second pipeline (201 a); the handheld piece (201) is further provided with an annular boss (201c) coaxial with the second pipeline (201a), the second pipeline (201a) is sleeved with a moving ring (205), and one end of the moving ring (205) is located between the annular boss (201c) and the second pipeline (201 a).

6. The multifunctional seal joint based on the density relay calibrator of claim 5, wherein: a limiting ring (201d) is arranged at one end, away from the hand piece (201), of the annular boss (201c), the inner diameter of the limiting ring (201d) is smaller than that of the annular boss (201c), the inner diameter of the annular boss (201c) is larger than the outer diameter of the moving ring (205), a third limiting circular table (205a) is arranged at one end, away from the second limiting circular table (201b), of the moving ring (205), a second spring (206) is arranged between the third limiting circular table (205a) and the limiting ring (201d), and the second spring (206) is sleeved outside the second pipeline (201 a); the first pipeline (102) is provided with a first through passage (102b), and the second pipeline (201a) is provided with a second through passage (201 e).

7. The multifunctional seal joint based on the density relay calibrator of claim 6, wherein: a third long groove (201f) extending along the axial direction is formed in the side surface of the annular boss (201c), a limit pin (205b) is arranged on the side surface of the third limit round table (205a), and the limit pin (205b) penetrates through the third long groove (201 f);

the utility model discloses a handheld piece, including handheld piece (201), rotation circle (207), annular groove (201g) are provided with to handheld piece (201) external connection, rotation circle (207) medial surface is provided with arch (207a) that extend to centre of a circle department, arch (207a) embedding in annular groove (201 g).

8. The multifunctional seal joint based on the density relay calibrator of claim 7, wherein: the end of the rotating ring (207) is uniformly provided with a plurality of clamping grooves (207b), the bottom surface of each clamping groove (207b) is parallel to the end surface of the rotating ring (207), two side surfaces of each clamping groove (207b) are inclined surfaces, and the limiting pin (205b) is in contact with the end surface of the rotating ring (207) or the surface of each clamping groove (207 b).

9. The multifunctional seal joint based on the density relay calibrator of claim 8, wherein: a third spring (104) is arranged between the first limiting round table (102a) and the end face of the connecting cavity (101b), and the third spring (104) is sleeved outside the first pipeline (102).

10. The multifunctional seal joint based on the density relay calibrator of claim 9, wherein: a sealing groove (102c) is formed in the end face of the first limiting round table (102a), and a sealing boss (201h) which can be matched and connected with the sealing groove (102c) is formed in the end face of the second limiting round table (201 b); the side of the connecting cavity (101b) is provided with a limit ring table (101f) extending towards the axis direction, and the inner diameter of the limit ring table (101f) is smaller than the outer diameter of the first limit round table (102 a).

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