CN211602327U

CN211602327U - Auxiliary detection device and air tightness detection equipment

Info

Publication number: CN211602327U
Application number: CN202020599139.3U
Authority: CN
Inventors: 任富佳; 马林辉; 时昌亮; 周小虎; 卢列存
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-09-29
Anticipated expiration: 2030-04-21

Abstract

The utility model provides an auxiliary detection device and gas tightness check out test set relates to the gas tightness of nozzle holder and detects technical field. The auxiliary detection device comprises a rack and a communicating seat, wherein the rack is provided with a first driving assembly and a positioning assembly, and the communicating seat is fixedly connected to a driving end of the first driving assembly; the communicating base is provided with a first gas transmission channel and a second gas transmission channel; and a second driving assembly is further arranged on the rack, and a blocking piece is arranged at the driving end of the second driving assembly. The air tightness detection equipment comprises an air tightness detector and the auxiliary detection device, wherein an output port of the air tightness detector is communicated with an air inlet of the first air transmission channel, and an input port of the air tightness detector is communicated with an air outlet of the second air transmission channel. The auxiliary detection device can position the nozzle seat to be detected, and assists the air tightness detector to be communicated with the nozzle seat to be detected, so that the air tightness detection process is convenient to operate and high in detection precision.

Description

Auxiliary detection device and air tightness detection equipment

Technical Field

The utility model belongs to the technical field of the gas tightness of nozzle holder detects technique and specifically relates to an auxiliary detection device and gas tightness check out test set are related to.

Background

The gas stove is a kitchen appliance for heating and cooking food and is generally applied to the life of people. The burner is a core part in a gas stove, when the burner is used, an ejector is required to mix and eject gas and air, wherein a nozzle assembly of the ejector sprays externally input gas into an ejector pipe at a high speed, the ejector assembly mainly comprises a nozzle seat and a nozzle, and the air tightness of the nozzle seat directly influences the ejection effect of the ejector so as to influence the combustion efficiency of the burner; in addition, the airtightness of the nozzle holder is also related to the safety of the burner, and therefore, the airtightness of the nozzle holder is important to detect.

The existing air tightness detection equipment generally connects an output port with a first joint of a nozzle seat to be detected, connects an input port with a second joint of the nozzle seat to be detected, blocks an air outlet of the nozzle seat to be detected, then conveys air into the nozzle seat, judges the air tightness of the nozzle seat by measuring air pressure or air flow and the like, wherein the detection process is complicated in operation due to the fact that the connection with the joint of the nozzle seat to be detected and the blocking of the air outlet of the nozzle seat to be detected are involved in the detection process, and the air tightness detection precision is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary detection device and gas tightness check out test set to alleviate the gas tightness detector that exists among the prior art and carry out gas tightness to the nozzle holder and examine time measuring, complex operation, and the gas tightness detects the relatively poor technical problem of precision.

The embodiment provides an auxiliary detection device which comprises a rack and a communicating seat, wherein a first driving assembly and a positioning assembly used for fixing a nozzle seat are arranged on the rack, the communicating seat is fixedly connected to a driving end of the first driving assembly, and the first driving assembly is used for driving the communicating seat to move towards or away from the positioning assembly; the communication seat is provided with a first gas transmission channel and a second gas transmission channel, when the communication seat moves to a set position towards the positioning assembly, the first joint of the nozzle seat can be in inserted connection with the gas outlet of the first gas transmission channel, and the second joint of the nozzle seat can be in inserted connection with the gas inlet of the second gas transmission channel;

the rack is further provided with a second driving assembly, a blocking piece is arranged at the driving end of the second driving assembly, and the second driving assembly is used for driving the blocking piece to block the air outlet of the nozzle seat.

In an optional embodiment, a first hole body and a second hole body are arranged in the communicating seat, a first communicating piece is arranged at one end, facing the positioning assembly, of the first hole body, a first communicating hole is arranged in the first communicating piece, and the first communicating hole is communicated with the first hole body; an annular first inserting boss is arranged at one end, away from the first hole body, of the first communicating piece, the first inserting boss surrounds the first connecting hole, and the first inserting boss is matched with the first connector;

a second communicating piece is arranged at one end, facing the positioning assembly, of the second hole body, a second communicating hole is formed in the second communicating piece, and the second communicating hole is communicated with the second hole body; one end of the second communicating piece, which deviates from the second hole body, is provided with an annular second inserting boss, the second inserting boss is surrounded on the second communicating hole, and the second inserting boss is matched with the second connector.

In an optional embodiment, a first elastic sealing ring is sleeved outside the first insertion boss, and when the first insertion boss is inserted into the first connector, the first elastic sealing ring is deformed and covers the first connector;

and/or a second elastic sealing ring is sleeved outside the second inserting boss, and when the second inserting boss is inserted into the second connector, the second elastic sealing ring is deformed and coated outside the second connector.

In an alternative embodiment, an air inlet joint is connected to one end of the first hole body, which faces away from the first communication piece; and/or one end of the second hole body, which is deviated from the second communicating piece, is connected with an air outlet joint.

In an optional implementation manner, a mounting plate is mounted at the driving end of the second driving assembly, the blocking member includes a plurality of blocking heads, the plurality of blocking heads are all disposed on the bottom surface of the mounting plate, and the plurality of blocking heads are in one-to-one correspondence with the plurality of air outlet holes on the nozzle seat.

In an optional embodiment, the blocking head includes a connecting body, one end of the connecting body is fixedly connected with the mounting plate, and the other end of the connecting body is provided with an elastic sealing body.

In an optional embodiment, the positioning assembly comprises a positioning seat, the positioning seat comprises a first positioning plate, a second positioning plate and a third positioning plate which are arranged in a crossed manner, the top surface of the first positioning plate and the top surface of the second positioning plate are both used for overlapping the seat body of the nozzle seat, and the inner side walls of the first positioning plate and the second positioning plate are matched with the gas transmission boss of the nozzle seat; the top surface of the third positioning plate is used for lapping the gas transmission boss.

In an alternative embodiment, the positioning assembly further includes a third driving assembly and a pressing head connected to a driving end of the third driving assembly, and the third driving assembly is mounted to the frame and is used for driving the pressing head to move towards or away from the positioning assembly.

In an alternative embodiment, the auxiliary detection device further includes a stroke adjustment assembly, which is mounted to the frame and is used for adjusting the driving stroke of the first driving assembly.

The embodiment also provides air tightness detection equipment which comprises an air tightness detector and the auxiliary detection device, wherein an output port of the air tightness detector is communicated with an air inlet of a first air conveying channel of the auxiliary detection device, and an input port of the air tightness detector is communicated with an air outlet of a second air conveying channel of the auxiliary detection device.

The utility model discloses supplementary detection device and gas tightness check out test set's beneficial effect includes:

the utility model provides an auxiliary detection device and gas tightness check out test set, wherein, auxiliary detection device includes the frame as the installation base station, be used for treating the fixed locating component of detecting the nozzle holder, be used for the intercommunication seat of intercommunication gas tightness detector and treating the nozzle holder to and be used for driving the first drive assembly that the intercommunication seat removed in order to change its and the state of communication of treating the nozzle holder; the air tightness detection equipment comprises an air tightness detector for detecting the air tightness of the nozzle seat to be detected and the auxiliary detection device.

Initially, the first driving assembly can drive the communicating base to move to a position far away from the positioning assembly, and the second driving assembly can drive the plugging piece to move to a position far away from the positioning assembly, so that interference of the communicating base and the plugging piece on installation of the nozzle base to be detected is reduced. When the air tightness of the nozzle seat to be detected is detected, the nozzle seat to be detected is fixed on the rack through the positioning assembly, after the position of the nozzle seat to be detected on the rack is fixed, a first connector of the nozzle seat to be detected corresponds to an air outlet of a first air transmission channel of the communicating seat, a second connector of the nozzle seat to be detected corresponds to an air inlet of a second air transmission channel of the communicating seat, and an air outlet of the nozzle seat to be detected corresponds to the plugging piece; then controlling the first driving assembly to drive the communicating seat to move towards the nozzle seat to be detected until the first connector is in inserted fit with the air outlet of the first air transmission channel, and meanwhile, the second connector is in inserted fit with the air inlet of the second air transmission channel, namely, the communicating seat communicates the air tightness detector with the nozzle seat to be detected; and then controlling the second driving assembly to drive the plugging piece to move towards the nozzle seat to be detected until the plugging piece plugs the air outlet.

Starting an air tightness detector, detecting the air tightness of the nozzle seat to be detected by the air tightness detector, and obtaining an air tightness related conclusion of the nozzle seat; after detection is finished, the first driving assembly drives the communicating seat to return to the original position, the positioning assembly does not fix the nozzle seat any more, and the nozzle seat is taken down.

The positioning assembly in the auxiliary detection device can fix and limit the nozzle seat to be detected, the arrangement of the first driving assembly and the communicating seat can realize the mechanical communication between the air tightness detector and the nozzle seat to be detected, the operation is convenient and fast, the precision of the communication position between the air tightness detector and the nozzle seat to be detected is high, the air tightness is good, and the accuracy of the air tightness detection of the nozzle seat to be detected by the air tightness detector is correspondingly ensured; in addition, the third driving assembly and the plugging piece are arranged, on the basis that mechanical plugging of the air outlet hole of the nozzle seat to be detected is achieved, the nozzle seat to be detected can be pressed and fixed simultaneously, the positioning effect of the auxiliary detection device on the nozzle seat to be detected is further improved, and the communication between the nozzle seat to be detected and the communication seat is correspondingly improved. In addition, when the auxiliary detection device is used, the connection between the air tightness detector and the nozzle seat to be detected can be accurately realized only by setting the driving strokes of the first driving assembly and the second driving assembly and controlling the switches of the first driving assembly and the second driving assembly, the operation process is simple, and the use convenience is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic axial view illustrating a nozzle holder to be detected positioned and connected by an auxiliary detecting device according to an embodiment of the present invention;

fig. 2 is a schematic front view of the auxiliary detection device according to the embodiment of the present invention when positioning and connecting the nozzle holder to be detected;

FIG. 3 is a schematic view of a first view angle of the positioning seat in FIG. 1 when the nozzle seat to be inspected is in lap joint;

FIG. 4 is a schematic diagram of a second view angle of the positioning seat in FIG. 1 when the nozzle seat to be inspected is in lap joint;

FIG. 5 is a bottom schematic view of the nozzle holder to be tested of FIG. 3;

FIG. 6 is a schematic view of the positioning socket of FIG. 3;

fig. 7 is a schematic view illustrating a connection between a third driving assembly and a pressing head in an auxiliary detection device according to an embodiment of the present invention;

fig. 8 is a schematic view illustrating a connection between a mounting plate and a plugging head in an auxiliary detection device according to an embodiment of the present invention;

fig. 9 is a schematic view of a plug in the auxiliary detection device according to the embodiment of the present invention;

FIG. 10 is a cross-sectional view of the stopper head of FIG. 9;

fig. 11 is a schematic view of a communication seat in an auxiliary detection device according to an embodiment of the present invention;

FIG. 12 is a schematic view of the first communication member of FIG. 11 with a first elastomeric sealing ring;

FIG. 13 is a cross-sectional view of the first communication member of FIG. 12 aligned with the first nipple;

FIG. 14 is a cross-sectional view of the first communication member of FIG. 12 in plugging engagement with the first connector.

Icon: 100-a frame; 110-a support plate; 111-avoidance slots; 120-a top plate; 130-positioning seat; 131-a first positioning plate; 132-a second positioning plate; 133-a third positioning plate; 140-a first hand valve; 150-a second hand valve; 160-third hand valve; 200-a communication seat; 210-a first communication; 211-a first plug boss; 212 — a first via hole; 220-a first elastic sealing ring; 230-an air inlet joint; 240-a second communication; 250-a second elastic sealing ring; 260-an air outlet joint; 300-a first drive assembly; 400-a third drive assembly; 410-a compression head; 420-an elastic layer; 500-a second drive assembly; 510-a mounting plate; 520-blocking head; 521-a linker; 522-elastic sealing body; 523-plug holes; 530-a through-hole; 600-a stroke adjustment assembly; 700-nozzle holder to be tested; 710-a first joint; 720-a second joint; 730-seat body; 740-an air outlet boss; 750-gas transmission boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The present embodiment provides an auxiliary detection apparatus, as shown in fig. 1 and fig. 2, including a frame 100 and a communicating base 200, where the frame 100 is provided with a first driving assembly 300 and a positioning assembly for fixing a nozzle holder, the communicating base 200 is fixedly connected to a driving end of the first driving assembly 300, and the first driving assembly 300 is used for driving the communicating base 200 to move towards or away from the positioning assembly; the communication base 200 is provided with a first gas transmission channel and a second gas transmission channel, when the communication base 200 moves to a set position towards the positioning assembly, the first joint 710 of the nozzle base can be in inserted connection with the gas outlet of the first gas transmission channel, and the second joint 720 of the nozzle base can be in inserted connection with the gas inlet of the second gas transmission channel; the frame 100 is further provided with a second driving assembly 500, a driving end of the second driving assembly 500 is provided with a blocking piece, and the second driving assembly 500 is used for driving the blocking piece to block the air outlet of the nozzle seat.

The embodiment also provides air tightness detection equipment, which comprises an air tightness detector and the auxiliary detection device, wherein an output port of the air tightness detector is communicated with an air inlet of a first air transmission channel of the auxiliary detection device, and an input port of the air tightness detector is communicated with an air outlet of a second air transmission channel of the auxiliary detection device.

The utility model provides an auxiliary detection device and gas tightness check out test set, wherein, auxiliary detection device includes as the frame 100 of installation base station, be used for treating the locating component that detects nozzle holder 700 and go on fixing, be used for the intercommunication seat 200 of intercommunication gas tightness detector and treating nozzle holder 700 to and be used for driving the first drive assembly 300 that communicates seat 200 and remove in order to change its and the state of communication of treating nozzle holder 700; the air tightness detection device comprises an air tightness detector for detecting the air tightness of the nozzle holder 700 to be detected and the auxiliary detection device.

Initially, the first driving assembly 300 may drive the communication seat 200 to move to a position away from the positioning assembly, and the second driving assembly 500 may drive the plugging member to move to a position away from the positioning assembly, so as to reduce interference of the communication seat 200 and the plugging member on installation of the nozzle seat 700 to be detected. When the air tightness of the nozzle seat 700 to be detected is required to be detected, the nozzle seat 700 to be detected is fixed on the frame 100 through the positioning assembly, after the position of the nozzle seat 700 to be detected on the frame 100 is fixed, the first connector 710 of the nozzle seat 700 to be detected corresponds to the air outlet of the first air transmission channel of the communicating seat 200, the second connector 720 of the nozzle seat 700 to be detected corresponds to the air inlet of the second air transmission channel of the communicating seat 200, and the air outlet hole of the nozzle seat 700 to be detected corresponds to the plugging member; then, controlling the first driving assembly 300 to drive the communicating seat 200 to move towards the nozzle seat 700 to be detected until the first connector 710 is in inserted fit with the air outlet of the first air transmission channel, and simultaneously the second connector 720 is in inserted fit with the air inlet of the second air transmission channel, namely, the communicating seat 200 communicates the air tightness detector with the nozzle seat 700 to be detected; and then the second driving assembly 500 is controlled to drive the plugging piece to move towards the nozzle seat 700 to be tested until the plugging piece plugs the air outlet.

The gas tightness detector is started, the gas tightness detector conveys gas outwards through an output port, the gas flows into the seat body 730 of the nozzle seat 700 to be detected after flowing through the first gas transmission channel and the first connector 710 in sequence, then flows back to the gas tightness detector through the second connector 720 and the second gas transmission channel, the gas tightness detector detects gas transmission flow and gas return flow, and then the gas tightness of the nozzle seat 700 to be detected is judged; subsequently, the second driving assembly 500 can be controlled to drive the plugging piece to move to the initial position, the plugging piece does not block the air outlet, the gas entering the seat body 730 can flow out through the air outlet, the gas tightness detector detects the gas transmission flow and the gas return flow again, the gas tightness of the nozzle seat 700 to be detected is further judged, and a gas tightness related conclusion of the nozzle seat is obtained. After the detection is finished, the first driving assembly 300 drives the communicating base 200 to return to the original position, the positioning assembly does not fix the nozzle base any more, and the nozzle base is taken down.

The positioning assembly in the auxiliary detection device can fix and limit the nozzle seat 700 to be detected, the arrangement of the first driving assembly 300 and the communicating seat 200 can realize the mechanical communication between the air tightness detector and the nozzle seat 700 to be detected, the operation is convenient and fast, the accuracy of the air tightness detection of the nozzle seat 700 to be detected by the air tightness detector is correspondingly ensured, and the use safety of a user is improved; in addition, the third driving assembly 400 and the blocking piece are arranged, so that on the basis of mechanical blocking of the air outlet of the nozzle holder 700 to be detected, the nozzle holder 700 to be detected can be pressed and fixed, the positioning effect of the auxiliary detection device on the nozzle holder 700 to be detected is further improved, and the communication between the nozzle holder 700 to be detected and the communication base 200 is correspondingly improved. In addition, when the auxiliary detection device is used, the communication between the air tightness detector and the nozzle seat 700 to be detected can be accurately realized only by setting the driving strokes of the first driving assembly 300 and the second driving assembly 500 and controlling the switches of the first driving assembly and the second driving assembly, the operation process is simple, and the use convenience is high.

It should be noted that, the operation sequence of the first driving assembly 300 driving the communicating seat 200 to move and the second driving assembly 500 driving the plugging member to move is only an example and is not limited; similarly, the above-described airtightness detector also serves as an example of the airtightness detection method for the nozzle holder 700 to be detected, and the specific detection method may be set according to actual needs.

Alternatively, in this embodiment, as shown in fig. 11, 13 and 14, a first hole and a second hole may be provided in the communicating base 200, the first hole is provided with a first communicating member 210 at an end of the first hole facing the positioning assembly, a first communicating hole 212 is provided in the first communicating member 210, and the first communicating hole 212 is communicated with the first hole; an annular first inserting boss 211 is arranged at one end, away from the first hole body, of the first communicating piece 210, the first inserting boss 211 surrounds the first connecting hole 212, and the first inserting boss 211 is matched with the first connector 710; similarly, a second communicating piece 240 can be arranged at one end of the second hole body facing the positioning component, a second communicating hole is arranged in the second communicating piece 240, and the second communicating hole is communicated with the second hole body; one end of the second communicating piece 240 departing from the second hole body is provided with an annular second inserting boss, the second inserting boss surrounds the second communicating hole, and the second inserting boss is matched with the second connector 720.

Here, it is a specific form of the first gas transmission passage and the second gas transmission passage, in which the first hole body and the first communication hole 212 together form the first gas transmission passage, and the second hole body and the second communication hole together form the second gas transmission passage; when the device is used, the output port of the air tightness detector is communicated with the air inlet of the first hole body, the input port of the air tightness detector is communicated with the air outlet of the second hole body, the first driving assembly 300 drives the communicating seat 200 to move towards the to-be-detected nozzle seat 700 fixed by the positioning assembly until the first inserting boss 211 is inserted into the first connector 710 of the to-be-detected nozzle seat 700 in a matching mode, the contact area of the first inserting boss 211 and the first connector is large, and connection air tightness is good; meanwhile, the second insertion boss is inserted into the second joint 720 of the nozzle holder 700 to be detected in a matching manner, so that the air tightness detector is communicated with the nozzle holder 700 to be detected. Specifically, one end of the first communicating member 210 away from the first inserting boss 211 may be provided with a connecting boss, and the connecting boss is provided with an external thread and is in threaded connection with the first hole body; in addition, the outer wall of the first communication member 210 may be provided with two opposite operation grooves to facilitate the rotational operation of the first communication member 210 by a wrench.

In this embodiment, as shown in fig. 12 to 14, the first elastic sealing ring 220 may be sleeved outside the first insertion boss 211, and when the first insertion boss 211 is inserted into the first connector 710, the first elastic sealing ring 220 is deformed and covered outside the first connector 710. Initially, the first elastic sealing ring 220 is circumferentially sleeved outside the first insertion boss 211, when the first insertion boss 211 is inserted in the first connector 710 in a matching manner, the first insertion boss 211 is inserted into the inner hole of the first connector 710, the first connector 710 is correspondingly inserted between the first insertion boss 211 and the first elastic sealing ring 220, and the first elastic sealing ring 220 is extruded by the outer wall of the first connector 710 to deform and cover the outer wall of the first connector 710 until the first insertion boss 211 is completely inserted into the inner hole of the first connector 710, so that the insertion communication between the first insertion boss 211 and the first elastic sealing ring is realized; at this time, the first elastic sealing ring 220 is tightly attached to the outer walls of the first inserting boss 211 and the first joint 710 due to deformation, and the joint between the first inserting boss and the first joint is sealed and plugged, so that the connection air tightness between the first inserting boss and the first joint is effectively improved, and the accuracy of the air tightness detector for detecting the air tightness of the nozzle holder is further ensured. After the detection is finished, the first insertion boss 211 is pulled out from the first connector 710, the first elastic sealing ring 220 moves along with the first insertion boss 211, and the first elastic sealing ring 220 is not extruded by the first connector 710 any more, so that the first insertion boss 211 is sleeved with the first elastic sealing ring 220 again after the first insertion boss 211 is restored to be deformed; specifically, an end of the first elastic sealing ring 220 facing away from the first joint 710 may be bonded to the first insertion boss 211 or an end surface of the first communicating member 210, so as to reduce the occurrence of the first elastic sealing ring 220 being taken out when the first joint 710 is pulled out.

Similarly, in the embodiment, the second elastic sealing ring 250 may be sleeved outside the second insertion boss, and when the second insertion boss is inserted into the second connector 720, the second elastic sealing ring 250 is deformed and covered outside the second connector 720. The second elastic sealing ring 250 can also improve the connection air tightness between the first inserting boss 211 and the second connector 720, so as to improve the detection accuracy of the air tightness detection device, and the working principle of the second elastic sealing ring is similar to that of the first elastic sealing ring 220, which is not described herein again.

In this embodiment, as shown in fig. 11, an air inlet joint 230 may be connected to an end of the first hole body facing away from the first communicating member 210. The air inlet of the first hole body is communicated with an air inlet joint 230, the air inlet joint 230 is used for being connected with an output port of the air tightness detector, specifically, the air tightness detector can be connected with the air inlet joint 230 through a joint matched with the air inlet joint 230, so that the connection convenience of the air tightness detector and the air inlet joint 230 is improved, for example, the air tightness detector is connected with the first hole body through a quick-connection joint, and the air inlet joint 230 is one of the quick-connection joints. Similarly, an air outlet joint 260 may be connected to an end of the second hole body facing away from the second communicating member 240.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 8, a mounting plate 510 may be installed at the driving end of the second driving assembly 500, the blocking member includes a plurality of blocking heads 520, the plurality of blocking heads 520 are all disposed on the bottom surface of the mounting plate 510, and the plurality of blocking heads 520 correspond to the plurality of air outlets on the nozzle seat one to one. Here, a particular form of closure, wherein the outlet holes are for the installation of nozzles; when needing the shutoff venthole, second drive assembly 500 drive mounting panel 510 moves towards waiting to detect nozzle holder 700, and mounting panel 510 drives a plurality of shutoff heads 520 rather than synchronous motion, blocks a plurality of ventholes simultaneously to realize that a single power supply drives a plurality of shutoff heads 520 synchronous motion, improve the certainty of relative position between the shutoff heads 520, correspondingly ensure the shutoff leakproofness of a plurality of shutoff heads 520 to a plurality of ventholes.

Specifically, in this embodiment, as shown in fig. 9, the blocking head 520 may include a connecting body 521, one end of the connecting body 521 is fixedly connected to the mounting plate 510, and the other end of the connecting body 521 is provided with an elastic sealing body 522. Here is a specific form of the plugging head 520, when the second driving assembly 500 drives the plugging head 520 to plug the air outlet of the nozzle holder 700 to be detected, the elastic sealing body 522 of the plugging head 520 contacts with the edge of the air outlet, and the elastic sealing body 522 is deformed by extrusion and can tightly plug the air outlet, so that the air tightness of the plugging head 520 for the air outlet is improved, and the detection accuracy of the air tightness detection device is correspondingly further ensured.

In this embodiment, as shown in fig. 9 and 10, a plug hole 523 may be provided at an end of the elastic sealing body 522 away from the connecting body 521. When the air outlet of the nozzle holder is in the form of an air outlet boss 740 (the air outlet penetrates through the air outlet boss 740), the elastic sealing body 522 is provided with a plug hole 523 matched with the air outlet boss 740, when the air outlet is plugged by the elastic sealing body 522, the air outlet boss 740 is plugged in the plug hole 523, and the air outlet end of the air outlet is positioned in the plug hole 523, so that the plugging sealing performance of the elastic sealing body 522 on the air outlet is further improved. Specifically, the air tightness detection equipment can be used for detecting a nozzle seat with the model number of 9B52, five air outlet bosses 740 are arranged on the nozzle seat, five corresponding blocking heads 520 are arranged, and the five blocking heads 520 correspond to the five air outlet bosses 740 on the nozzle seat one by one.

In this embodiment, as shown in fig. 3 to 6, the positioning assembly may include a positioning seat 130, the positioning seat 130 includes a first positioning plate 131, a second positioning plate 132 and a third positioning plate 133 which are arranged in a crossing manner, the top surfaces of the first positioning plate 131 and the second positioning plate 132 are both used for overlapping the seat body 730 of the nozzle seat, and the inner side walls of the two are matched with the air transmission boss 750 of the nozzle seat; the top surface of third positioning plate 133 is used to overlap gas delivery boss 750. Here is a specific form of the positioning seat 130, specifically, the nozzle holder 700 to be detected includes a seat body 730, a bottom surface of the seat body 730 is provided with a gas transmission boss 750, one end of the gas transmission boss 750 is connected with the connector, and the other end is communicated with a gas outlet hole in the seat body 730. When the nozzle holder 700 to be detected is placed on the positioning seat 130, the first positioning plate 131 and the second positioning plate 132 support the bottom surface of the seat body 730, the top surface of the third positioning plate 133 is lower than the first positioning plate 131 and the second positioning plate 132, and the top surface supports the bottom surface of the air transmission boss 750, so that the positioning seat 130 stably supports the nozzle holder 700 to be detected. The nozzle holder 700 to be detected can be pushed towards the direction of the first positioning plate 131 and the second positioning plate 132, until the inner side wall of the first positioning plate 131 is abutted against one side face of the air transmission boss 750, and the inner side wall of the second positioning plate 132 is abutted against the other side face of the air transmission boss 750, so that the positions of the nozzle holder 700 to be detected, which is mounted on the positioning seat 130, can be limited in two directions by the first positioning plate 131 and the second positioning plate 132, the positions of the nozzle holder 700 to be detected, which is fixed on the rack 100, are correspondingly positioned, the positioning accuracy is high, and the positioning operation is convenient.

Specifically, as shown in fig. 5, the external joint boss connected to the first joint 710 is U-shaped, and the external joint boss is communicated with four air outlets in the seat body 730 for supplying air to the external fire of the burner; the boss of the inner joint connected with the second joint 720 is linear, and the boss of the inner joint is communicated with an air outlet hole at the center of the seat body 730 and used for supplying air to the inner ring fire of the burner; since the inner joint boss is disposed inside the outer joint boss, the outer joint boss at this time is equivalent to the air transmission boss 750, and is used for positioning in cooperation with the first positioning plate 131 and the second positioning plate 132. As shown in fig. 6, the first positioning plate 131, the second positioning plate 132 and the third positioning plate 133 of the positioning seat 130 are respectively rectangular.

Optionally, in this embodiment, as shown in fig. 7, the positioning assembly may further include a third driving assembly 400 and a pressing head 410 connected to a driving end of the third driving assembly 400, where the third driving assembly 400 is mounted to the frame 100 and is used for driving the pressing head 410 to move toward or away from the positioning assembly. When the auxiliary detection device is used, firstly, the nozzle holder 700 to be detected is placed on the positioning seat 130 for preliminary positioning, and then the third driving assembly 400 can be controlled to drive the pressing head 410 to press the nozzle holder 700 to be detected downwards, so that the nozzle holder 700 to be detected is fixed; then, the second driving assembly 500 is controlled to drive the plugging piece to plug the air outlet of the nozzle seat 700 to be detected, and the first driving assembly 300 is controlled to drive the communicating seat 200 to be in inserted connection with the joint of the nozzle seat 700 to be detected, so that the air tightness detector is communicated with the nozzle seat 700 to be detected; wherein, the nozzle holder 700 that detects can be treated to the setting of third drive assembly 400 and hold-down head 410 and fix a position to improve positioning assembly to waiting to detect the location firmness of nozzle holder 700, correspondingly ensure the shutoff leakproofness of shutoff piece to the venthole, and the grafting cooperation of connecting seat 200 and joint.

Optionally, the elastic layer 420 can be arranged on the bottom surface of the pressing head 410, when the pressing head 410 presses the nozzle holder 700 to be detected downwards, the elastic layer 420 is in direct contact with the nozzle holder 700 to be detected, and the pressing head 410 deforms under the action of the up-and-down extrusion, so that the rigid damage to the nozzle holder 700 to be detected caused by the pressing head 410 can be reduced, and the pressing fixing firmness of the pressing head 410 to the nozzle holder 700 to be detected can be improved.

Optionally, as shown in fig. 1 and fig. 2, the rack 100 may include a base station and a supporting plate 110 fixed on the base station, a top plate 120 is disposed on a top of the supporting plate 110, the positioning seat 130 is fixed on the base station and located below the top plate 120, an avoiding groove 111 is disposed on the supporting plate 110, when the nozzle seat is fixed on the positioning seat 130, the first joint 710 and the second joint 720 of the nozzle seat can extend out through the avoiding groove 111, on the basis that the auxiliary detection device is fixed to the nozzle seat, the space on the base station is effectively utilized, and the occupation of the auxiliary detection device on the space is reduced. Specifically, second drive assembly 500 and third drive assembly 400 can be installed in roof 120 of frame 100, the drive end of second drive assembly 500 and third drive assembly 400 all sets up down, and during drive end rigid coupling mounting panel 510 of second drive assembly 500, can set up through hole 530 on mounting panel 510, the actuating lever of third drive assembly 400 and the piece that compresses tightly can pass through hole 530, thereby realize that mounting panel 510 drives the shutoff piece and to the venthole shutoff, and compress tightly the basis that the piece compressed tightly the nozzle holder, further reduce both occupancies to the space, correspondingly reduce the occuping of supplementary detection device to the space, improve its compactness.

Specifically, as shown in fig. 1, an operation panel may be fixedly disposed at a position of the base platform opposite to the support panel 110, the operation panel and the support panel 110 support the top panel 120 together, and a first hand valve 140, a second hand valve 150 and a third hand valve 160 may be mounted on the operation panel from top to bottom, where the first hand valve 140 is used for controlling the opening and closing of the second driving assembly 500 and the driving stroke thereof, the second hand valve 150 is used for controlling the opening and closing of the third driving assembly 400 and the driving stroke thereof, and the third hand valve 160 is used for controlling the opening and closing of the air-tightness detector, and the three hand valves are disposed on one operation panel, so that the operation convenience of an operator can be effectively improved. Specifically, the first driving assembly 300, the second driving assembly 500, and the third driving assembly 400 may be any assembly capable of driving another component to move, such as an air cylinder, a hydraulic cylinder, a push rod motor, a rack and pinion structure, and the like.

Optionally, in this embodiment, as shown in fig. 1, the auxiliary detection device may further include a stroke adjustment assembly 600, and the stroke adjustment assembly 600 is mounted to the frame 100 and is used for adjusting the driving stroke of the first driving assembly 300. The driving stroke of the first driving assembly 300 is directly related to the moving distance of the communication base 200 towards the nozzle base 700 to be detected, so that the splicing matching length between the gas transmission channel and the joint of the nozzle base is correspondingly determined, and the sealing performance of splicing connection between the gas transmission channel and the joint of the nozzle base is further determined; therefore, an operator can adjust the driving stroke of the first driving assembly 300 according to the type of the connector on the nozzle holder 700 to be detected and the form of the gas transmission channel so as to ensure the plugging and sealing effects of the two. Specifically, the first driving assembly 300 may be an air cylinder.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. An auxiliary detection device is characterized by comprising a rack (100) and a communicating seat (200), wherein a first driving assembly (300) and a positioning assembly for fixing a nozzle seat are arranged on the rack (100), the communicating seat (200) is fixedly connected to a driving end of the first driving assembly (300), and the first driving assembly (300) is used for driving the communicating seat (200) to move towards or away from the positioning assembly; the communication seat (200) is provided with a first gas transmission channel and a second gas transmission channel, when the communication seat (200) moves to a set position towards the positioning assembly, the first joint (710) of the nozzle seat can be in inserted connection with the gas outlet of the first gas transmission channel, and the second joint (720) of the nozzle seat can be in inserted connection with the gas inlet of the second gas transmission channel;

the frame (100) is further provided with a second driving assembly (500), the driving end of the second driving assembly (500) is provided with a blocking piece, and the second driving assembly (500) is used for driving the blocking piece to block the air outlet of the nozzle seat.

2. The auxiliary detection device as claimed in claim 1, wherein a first hole body and a second hole body are arranged in the communication seat (200), a first communication piece (210) is arranged at one end of the first hole body facing the positioning assembly, a first communication hole (212) is arranged in the first communication piece (210), and the first communication hole (212) is communicated with the first hole body; an annular first inserting boss (211) is arranged at one end, away from the first hole body, of the first communicating piece (210), the first inserting boss (211) surrounds the first connecting hole (212), and the first inserting boss (211) is matched with the first connector (710);

a second communicating piece (240) is arranged at one end, facing the positioning assembly, of the second hole body, a second communicating hole is formed in the second communicating piece (240), and the second communicating hole is communicated with the second hole body; one end, deviating from the second hole body, of the second communicating piece (240) is provided with an annular second inserting boss, the second inserting boss is surrounded on the second communicating hole, and the second inserting boss is matched with the second connector (720).

3. The auxiliary detection device according to claim 2, wherein a first elastic sealing ring (220) is sleeved outside the first insertion boss (211), and when the first insertion boss (211) is inserted into the first connector (710), the first elastic sealing ring (220) is deformed and covered outside the first connector (710);

and/or a second elastic sealing ring (250) is sleeved outside the second inserting boss, and when the second inserting boss is inserted into the second connector (720), the second elastic sealing ring (250) is deformed and coated outside the second connector (720).

4. The auxiliary detection device as claimed in claim 2, wherein an air inlet joint (230) is connected to one end of the first hole body facing away from the first communicating member (210); and/or an air outlet joint (260) is connected to one end, away from the second communicating piece (240), of the second hole body.

5. The auxiliary detection device as claimed in any one of claims 1 to 4, wherein a mounting plate (510) is mounted at the driving end of the second driving assembly (500), the blocking member includes a plurality of blocking heads (520), the plurality of blocking heads (520) are all disposed on the bottom surface of the mounting plate (510), and the plurality of blocking heads (520) are in one-to-one correspondence with the plurality of air outlets on the nozzle seat.

6. The auxiliary detection device as claimed in claim 5, wherein the blocking head (520) comprises a connecting body (521), one end of the connecting body (521) is fixedly connected with the mounting plate (510), and the other end of the connecting body (521) is provided with an elastic sealing body (522).

7. The auxiliary detection device according to any one of claims 1 to 4, wherein the positioning assembly comprises a positioning seat (130), the positioning seat (130) comprises a first positioning plate (131), a second positioning plate (132) and a third positioning plate (133) which are arranged in a crossed manner, the top surface of the first positioning plate (131) and the top surface of the second positioning plate (132) are used for overlapping the seat body (730) of the nozzle seat, and the inner side walls of the two match with the air transmission boss (750) of the nozzle seat; the top surface of the third positioning plate (133) is used for overlapping the air transmission boss (750).

8. The auxiliary detection device according to any one of claims 1 to 4, wherein the positioning assembly further comprises a third driving assembly (400) and a pressing head (410) connected to a driving end of the third driving assembly (400), the third driving assembly (400) being mounted to the frame (100) for driving the pressing head (410) to move towards or away from the positioning assembly.

9. The auxiliary detection device according to any one of claims 1 to 4, further comprising a stroke adjustment assembly (600), wherein the stroke adjustment assembly (600) is mounted to the frame (100) for adjusting a driving stroke of the first driving assembly (300).

10. An air-tightness detection device, comprising an air-tightness detector and the auxiliary detection device of any one of claims 1 to 9, wherein an output port of the air-tightness detector is communicated with an air inlet of a first air transmission channel of the auxiliary detection device, and an input port of the air-tightness detector is communicated with an air outlet of a second air transmission channel of the auxiliary detection device.