CN111297262A - Vacuum pressure detection tool and detection device for cleaning equipment - Google Patents
Vacuum pressure detection tool and detection device for cleaning equipment Download PDFInfo
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- CN111297262A CN111297262A CN201911236439.3A CN201911236439A CN111297262A CN 111297262 A CN111297262 A CN 111297262A CN 201911236439 A CN201911236439 A CN 201911236439A CN 111297262 A CN111297262 A CN 111297262A
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- 238000001514 detection method Methods 0.000 title claims abstract description 73
- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000011148 porous material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
- A47L9/2821—Pressure, vacuum level or airflow
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
- A47L9/2831—Motor parameters, e.g. motor load or speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
Abstract
The application discloses cleaning equipment vacuum pressure detects frock and detection device belongs to ground cleaning equipment technical field, has solved the problem that can't detect out the fluid vacuum pressure value between preceding tip and the back tip among the prior art. The utility model provides a detect frock includes the body and locates the vacuum pressure sensor on the body, the fluid passage intercommunication in vacuum pressure sensor and the body, the body is located between cleaning equipment's the preceding tip and the back tip. The application discloses detection frock and detection device can be used to the vacuum pressure detection between cleaning equipment front end portion and the back tip.
Description
Technical Field
The application relates to a ground cleaning device, in particular to a vacuum pressure detection tool and a detection device for a cleaning device.
Background
At present, when the vacuum pressure value of the cleaning equipment is detected, generally, only the vacuum pressure value when the fluid is discharged from the rear end part of the cleaning equipment and the vacuum pressure value when the fluid enters from the front end part can be detected, and the fluid vacuum pressure value between the front end part and the rear end part cannot be detected.
Disclosure of Invention
In view of the foregoing analysis, the present application aims to provide a vacuum pressure detection tool and a detection device for a cleaning device, which solve the problem that the vacuum pressure value of a fluid between a front end portion and a rear end portion cannot be detected in the prior art.
The purpose of the application is mainly realized by the following technical scheme:
the application provides a cleaning device vacuum pressure detects frock, including the body and locate the vacuum pressure sensor on the body, the fluid passage intercommunication in vacuum pressure sensor and the body, the body is located between cleaning device's preceding tip and the back tip.
In one possible design, the length of the tube is less than or equal to 182mm and the inner diameter is less than or equal to 40 mm.
In one possible design, the vacuum pressure sensor is connected with a display for displaying the vacuum pressure value acquired by the vacuum pressure sensor.
In a possible design, the cleaning device further comprises a connecting part arranged at two ends of the tube body, one end of the tube body is connected with the front end part of the cleaning device through the connecting part, and the other end of the tube body is connected with the rear end part of the cleaning device through the connecting part.
In one possible design, a sealing ring is provided between the mouthpiece and the tube body.
The application also provides a vacuum pressure detection device for the cleaning equipment, which comprises the detection tool and a pressure stabilizing box communicated with the suction pipe at the front end part.
In one possible design, the device further comprises a flow regulating assembly communicated with the surge tank, and the flow regulating assembly is used for regulating the flow of the fluid into the surge tank.
In one possible design, the flow regulating assembly includes a flow orifice plate and a flow orifice plate mounting member, the plenum is fixedly connected to the external fluid conduit by the flow orifice plate mounting member, and the flow orifice plate is placed in the flow orifice plate mounting member.
In one possible design, the flow orifice mount includes a first connector and a second connector with a flow orifice receptacle formed therebetween, the first connector being fixedly connected to the second connector by a sliding assembly.
In one possible design, the sliding assembly includes a bolt and a nut engaged with the bolt, and the first joint is fixedly connected with the second joint through the bolt.
Compared with the prior art, the application can realize at least one of the following beneficial effects:
a) the application provides a cleaning equipment vacuum pressure detects frock is used for detecting the vacuum pressure between tip and the back tip before the cleaning equipment specially, compare in the position of preceding tip air inlet and back tip gas vent, will detect the frock and arrange in between preceding tip and the back tip, can be that the motor air intake that the detection frock is close to the back tip more, the vacuum pressure that its record can reflect motor air intake department more really, thereby can evaluate the performance of motor better, be favorable to the selection of later stage motor type more.
b) The application provides a cleaning device vacuum pressure detection frock simple structure occupies smallly, and cleaning device's detection personnel can conveniently detect the vacuum pressure between tip and the back tip before the cleaning device at any time.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the application, wherein like reference numerals are used to designate like parts throughout.
Fig. 1 is a schematic structural diagram of a vacuum pressure detection tool of a cleaning device according to a first embodiment of the present application;
fig. 2 is a perspective view of a vacuum pressure detection tool of a cleaning device according to a first embodiment of the present application;
fig. 3 is a perspective view of the vacuum pressure detection tool of the cleaning device according to the first embodiment of the present application in another direction;
fig. 4 is an axial cross-sectional view of a vacuum pressure detection tool of a cleaning device according to a first embodiment of the present application;
fig. 5 is a schematic connection diagram of a vacuum pressure detection tool of a cleaning device and the cleaning device according to a first embodiment of the present application;
fig. 6 is a schematic structural view of an interface part in a vacuum pressure detection tool of a cleaning device according to a first embodiment of the present application;
fig. 7 is a schematic structural diagram of a vacuum pressure detection device of a cleaning apparatus according to a second embodiment of the present application;
FIG. 8 is a schematic structural diagram of a flow rate adjustment assembly in a vacuum pressure detection device of a cleaning apparatus according to a second embodiment of the present application;
fig. 9 is a partial schematic view of fig. 7.
Reference numerals:
1-a pipe body; 2-a fluid conduit; 3-a vacuum pressure sensor; 4-a suction tube; 5-a mouthpiece; 6-sealing ring; 7-a voltage stabilizing box; 8-a box connecting part; 9-a flow regulating assembly; 10-a front end portion; 11-a rear end portion; 12-a first joint; 13-a second linker; 14-flow orifice piece; 15-a sliding assembly; 1501-bolts; 1502-a nut; 16-a limiting component.
Detailed Description
The preferred embodiments of the present application will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the application serve to explain the principles of the application.
Example one
The embodiment provides a cleaning equipment vacuum pressure detection frock, refer to fig. 1 to 6, including body 1 and locate the vacuum pressure sensor 3 on the body 1, vacuum pressure sensor 3 and the fluid passage intercommunication in the body 1, body 1 is located between cleaning equipment's front end portion 10 and rear end portion 11, and fluid passage's one end and cleaning equipment's front end portion 10 intercommunication, and fluid passage's the other end and cleaning equipment's rear end portion 11 intercommunication.
In operation, the pipe body 1 is connected to the front end portion 10 and the rear end portion 11 respectively, and when the cleaning device is in an operating state, fluid discharged from the front end portion 10 enters the rear end portion 11 through the gas passage, and the fluid flows in the gas passage and contacts with the vacuum pressure sensor, so that the vacuum pressure value of the fluid in the gas passage is detected by the vacuum pressure sensor.
Compared with the prior art, the cleaning equipment vacuum pressure detection tool provided by the embodiment is specially used for detecting the vacuum pressure between the front end part 10 and the rear end part 11 of the cleaning equipment, and compared with the positions of the air inlet of the front end part 10 and the exhaust port of the rear end part 11, the detection tool is arranged between the front end part 10 and the rear end part 11, so that the detection tool can be closer to the air inlet of the motor of the rear end part 11, the vacuum pressure measured by the detection tool can reflect the vacuum pressure at the air inlet of the motor more truly, the performance of the motor can be better evaluated, and the selection of the type of the motor in the later period is more facilitated.
In addition, the detection tool is simple in structure and small in occupied size, and detection personnel of the cleaning equipment can conveniently detect the vacuum pressure between the front end portion 10 and the rear end portion 11 of the cleaning equipment at any time.
Illustratively, the tube body 1 has a length of 182mm or less (e.g., 150mm to 180mm) and an inner diameter of 40mm or less (e.g., 28mm to 37 mm). By adopting the size proportion, the proportion among the pipe body 1, the front end part 10 and the rear end part 11 can be more uniform, and the use convenience of the detection tool is improved.
In order to improve the detection accuracy of the detection tool, the number of the vacuum pressure sensors 3 is multiple, and the multiple vacuum pressure sensors 3 are spirally arranged along the circumferential direction of the inner wall of the pipe body 1. This is because, receive the influence of fluid resistance, the fluid has certain loss at the in-process velocity of flow, that is to say, vacuum pressure that vacuum pressure sensor 3 set up the different positions of surveying at body 1 lateral wall also can be different, the circumference spiral arrangement of a plurality of vacuum pressure sensors 3 along body 1 inner wall can survey a plurality of vacuum pressure values simultaneously, a plurality of vacuum pressure values are got the average and can be obtained average vacuum pressure value, effectively reduce the influence of vacuum pressure sensor 3 set position to vacuum pressure, thereby improve the detection accuracy of above-mentioned detection frock.
In order to make above-mentioned detection frock can be used for the research of vacuum pressure sensor 3 detection position to the influence of vacuum pressure value, above-mentioned detection frock still includes the sleeve pipe of locating body 1 inner wall, sets up a plurality of inspection holes along the axial on the sleeve pipe, inspection hole and vacuum pressure sensor 3's position one-to-one, and corresponding inspection hole and vacuum pressure sensor 3 are located the same radial cross section of body 1.
Illustratively, the pressure sensors include a first pressure sensor, a second pressure sensor and a third pressure sensor which are spirally arranged along the circumferential direction of the inner wall of the pipe body 1, and the detection holes include a first detection hole, a second detection hole and a third detection hole which are axially arranged along the casing. The first pressure sensor corresponds to the first detection hole and is located in a first radial cross section of the pipe body 1, the second pressure sensor corresponds to the second detection hole and is located in a second radial cross section of the pipe body 1, and the third pressure sensor corresponds to the third detection hole and is located in a third radial cross section of the pipe body 1. When the vacuum pressure at the position of the first pressure sensor needs to be detected, the first pressure sensor is superposed with the first detection hole and is communicated with the fluid channel in the pipe body 1; when the vacuum pressure sensor 3 at the position of the second pressure sensor needs to be detected, the sleeve is rotated along the circumferential direction of the sleeve, so that the second pressure sensor is superposed with the second detection hole, and the second pressure sensor is communicated with the fluid channel in the tube body 1; similarly, when the vacuum pressure sensor 3 at the position of the third pressure sensor needs to be detected, the sleeve is rotated along the circumferential direction of the sleeve, so that the third pressure sensor coincides with the third detection hole, and the third pressure sensor is communicated with the fluid passage in the pipe body 1.
It can be understood that, in order to enable the detection personnel to know the vacuum pressure of the cleaning device in the dust full state in real time, the detection tool further comprises a display connected with the vacuum pressure sensor 3 and used for displaying the vacuum pressure value collected by the vacuum pressure sensor 3.
In the vacuum pressure detection process, in order to avoid the separation of the front end part 10 or the rear end part 11 from the pipe body 1, the detection tool further comprises a connecting part arranged at the top end of the pipe body 1, the pipe body 1 is connected with the front end part 10 or the rear end part 11 of the cleaning equipment through the connecting part, the connection stability between the pipe body 1 and the front end part 10 or the rear end part 11 of the cleaning equipment can be improved through the connecting part, and the separation of the front end part 10 or the rear end part 11 from the pipe body 1 is avoided.
Specifically, the interface part comprises the interface tube 5 and an interface protrusion arranged on the inner wall of the interface tube 5, fluid enters the interface tube 5 from the air inlet end of the interface tube 5, and interacts with the interface protrusion to generate thrust in the direction from the air inlet end of the interface tube 5 to the air outlet end of the interface tube 5, so that the interface tube 5 and the tube body 1 are close to the suction tube 4 of the cleaning device, and the connection stability between the tube body 1 and the suction tube 4 of the cleaning device can be further improved.
In order to improve the connection sealing performance between the mouthpiece and the tube body 1 and the suction tube 4, a seal ring 6 is provided between the mouthpiece and the tube body 1. Illustratively, the tube body 1 is sleeved outside the mouthpiece 5, and the sealing ring 6 is sleeved on the outer wall of the bottom end of the mouthpiece 5 and located between the tube body 1 and the mouthpiece 5.
It can be understood that, in order to prevent the axial movement during the installation of the mouthpiece 5, the outer wall of the suction tube 4 is provided with an installation groove for accommodating the sealing ring 6, the sealing ring 6 is located in the installation groove, and the side wall of the installation groove can limit the axial movement of the sealing ring 6.
In order to prevent the sealing ring 6 from being separated from the mounting groove under the action of force in the mounting process of the interface tube 5, an elastic check ring is arranged in the mounting groove, and in the mounting process of the interface tube 5, when the inner wall of the tube body 1 is in contact with one side, far away from the elastic check ring, of the sealing ring 6 and certain pressure is applied, one side, close to the elastic check ring, of the sealing ring 6 deforms under the action of the pressure, so that the contact area and the contact force between the sealing ring 6 and the elastic check ring are increased, and the sealing ring 6 of the radial sealing device can be prevented from being separated; in addition, under the effect of pressure, sealing ring 6 can transmit pressure to circlip for circlip takes place certain deformation, absorbs certain pressure, has reduced the pressure that is used in on sealing ring 6 in other words, also can further prevent radial sealing device's sealing ring 6 to deviate from the mounting groove under the effect of power.
Illustratively, in one mounting groove, the number of the elastic check rings is 1 or 2. When the number of the elastic check rings is 1, the elastic check rings are positioned on one side of the mounting groove, which is close to the pipe body 1; when the quantity of circlip was 2, circlip was located the both sides of mounting groove, and sealing ring 6 is located between two circlips.
Example two
The embodiment provides a vacuum pressure detection device for a cleaning device, and referring to fig. 7 to 9, the vacuum pressure detection device comprises a vacuum pressure detection tool for a cleaning device provided by the first embodiment and a pressure stabilizing box 7 communicated with a suction pipe 4 of a front end portion 10, specifically, an air outlet of the pressure stabilizing box 7 is communicated with the suction pipe 4 of the front end portion 10, and the pressure stabilizing box 7 is placed on an experiment table or the ground through a bracket.
Compared with the prior art, the beneficial effects of the vacuum pressure detection device for the cleaning equipment provided by the embodiment are basically the same as the beneficial effects of the vacuum pressure detection tool for the cleaning equipment provided by the embodiment one, and are not repeated herein.
The suction pipes 4 of different types of cleaning equipment are different in size, the size of the pressure stabilizing box 7 is large, so that the size of the pressure stabilizing box 7 cannot be changed according to the type of the cleaning equipment, and in order to improve the adaptability of the pressure stabilizing box 7 and enable the pressure stabilizing box 7 to be suitable for the size of the suction pipes 4 of different types of cleaning equipment, the pressure stabilizing box 7 is connected with the suction pipes 4 through a box body connecting portion 8.
To box connecting portion 8's structure, particularly, it includes adjustable clamp and a plurality of connector that is the annular and arranges, and a plurality of connectors constitute annular box connecting portion 8 through adjustable clamp connection, and box connecting portion 8 cup joints with 1 bottom of body, and the clearance size between a plurality of connectors can be adjusted through the diameter of adjusting adjustable clamp, and then adjusts the diameter of box connecting portion 8 to make box connecting portion 8 can with not unidimensional suction tube 4 fixed connection. It should be noted that the adjustable clamp means that the diameter of the clamp is adjustable, and for example, the adjustable clamp is a steel band type clamp or a T-shaped bolt clamp.
It can be understood that the box connecting portion 8 is used for connecting the suction tube 4 and the surge tank 7, and in order to realize the connection between the box connecting portion 8 and the surge tank 7, the box connecting portion 8 further comprises a fastening screw, a sliding hole is formed in the connecting body, a sliding groove is formed in the surface of the surge tank 7, and the bottom end of the fastening screw penetrates through the sliding hole and abuts against the bottom of the sliding groove, so that the fixed connection between the box connecting portion 8 and the surge tank 7 is realized. It should be noted that, when the size of the suction tube 4 needs to be changed, the fastening screws are loosened firstly, so that the connection bodies and the surge tank 7 are connected in a sliding manner, then, the diameter of the adjustable clamp is adjusted, the plurality of connection bodies move towards the center close to or far away from the box body connection part 8, the suction tube 4 is inserted among the plurality of connection bodies, and then, the adjustable clamp and the fastening screws are screwed in sequence.
It should be noted that the connection sealing performance between the box connecting portion 8 and the suction pipe 4 may affect the vacuum pressure detection, and in order to improve the connection sealing performance between the box connecting portion 8 and the suction pipe 4, the box connecting portion 8 further includes an elastic sealing body disposed between the connection bodies, the elastic sealing body is also shaped like a sector ring, and the elastic sealing bodies and the connection bodies are connected by an adjustable clamp to form the annular box connecting portion 8.
In order to detect the vacuum pressure of different air intake volumes on the dust full of the cleaning equipment, the vacuum pressure detection device for the cleaning equipment further comprises a flow regulating assembly 9 communicated with the pressure stabilizing box 7, specifically, an air outlet of the flow regulating assembly 9 is communicated with an air inlet of the pressure stabilizing box 7, and the flow of fluid entering the pressure stabilizing box 7 is regulated through the flow regulating assembly 9, so that the air intake volume entering the cleaning equipment is regulated.
With regard to the construction of the flow regulating assembly 9, which in particular comprises a flow orifice 14 and a flow orifice mount, the plenum 7 is fixedly connected to the external fluid conduit 2 by means of the flow orifice mount, in which the flow orifice 14 is placed.
Illustratively, the flow pore sheet mounting piece comprises a first joint 12 and a second joint 13, a flow pore sheet accommodating cavity is formed between the first joint 12 and the second joint 13, the first joint 12 is fixedly connected with the second joint 13 through a sliding assembly 15, the first joint 12 can be close to or far away from the second joint 13 along the axial direction of the flow pore sheet mounting piece, specifically, the first joint is fixedly connected with the fluid pipeline 2, the second joint is fixedly connected with the pressure stabilizing box 7, and fluid sequentially passes through the fluid pipeline 2, the second joint 13, the flow pore sheet 14, the first joint 12, the pressure stabilizing box 7 and the pipe body 1 to enter the suction pipe 4 of the cleaning device. When the flow hole piece 14 is disassembled, the first connector 12 moves towards the direction far away from the second connector 13 through the sliding assembly 15, so that a gap is generated between the first connector 12 and the second connector 13, the flow hole piece 14 can be taken out from the flow hole piece accommodating cavity through the gap, and the disassembling process of the flow hole piece 14 is completed; when a new flow pore piece 14 is installed, the new flow pore piece 14 is placed into the flow pore piece accommodating cavity through the gap, the first connector 12 moves towards the direction close to the second connector 13 through the sliding assembly 15, so that the first connector 12 is fixedly connected with the second connector 13, and the installation process of the flow pore piece 14 is completed. Thus, the flow hole piece 14 is installed between the pressure stabilizing box 7 and the fluid pipeline 2 through the first joint 12 and the second joint 13, and as the first joint 12 and the second joint 13 are fixedly connected through the sliding assembly 15, when the flow hole piece 14 is replaced, the second joint 13 only needs to slide towards the direction far away from the first joint 12, so that a gap is generated between the first joint and the second joint, the flow hole piece 14 can be taken and placed, an air flow channel does not need to be detached from the pressure stabilizing box 7, and the replacement process of the flow hole piece 14 is simplified.
Illustratively, the number of the above-described slide assemblies 15 is at least 1. From the viewpoint of structural simplification, the number of the sliding assemblies 15 is 1, and the sliding assemblies are located at the upper ends of the first connector 12 and the second connector 13, because the weight of the fluid pipeline 2 is large, and when the first connector 12 is butted with the second connector 13, the first connector 12 can be in close contact with the second connector 13 under the action of the gravity of the airflow channel, so that the flow hole piece 14 is stably placed in the flow hole piece accommodating cavity; from the stable in structure perspective, the quantity of sliding component 15 is 3, is located the upper end of first joint 12 and second joint 13 respectively, left side and right side, compares in setting up 1 sliding component 15, and 3 sliding component 15 support first joint 12 jointly, can reduce first joint 12 and second joint 13 to sliding component 15's shearing force, reduces the condition that sliding component 15 takes place to damage, in addition, along with the increase of bolt quantity, is more convenient for control the removal of first joint 12.
As for the structure of the first joint 12 and the second joint 13, specifically, the first joint 12 includes a first pipe and a first connection ring provided at one end of the first pipe, and the second joint 13 includes a second pipe and a second connection ring provided at one end of the second pipe, and the first connection ring is fixedly connected with the second connection ring through a sliding assembly 15.
It should be noted that the first connection ring is provided at either one of both ends of the first pipe, and the second connection ring is also provided at either one of both ends of the second pipe. From the installation point of view, exemplarily, the first connection ring is arranged at one end of the first tube close to the second tube, the other end of the second tube is fixedly connected with the airflow channel, the second connection ring is arranged at one end of the second tube close to the first tube, and the other end of the first tube is fixedly connected with the surge tank 7.
Regarding the structure of the sliding assembly 15, specifically, the sliding assembly includes a bolt 1501 and a nut 1502 engaged with the bolt 1501, the first joint 12 is fixedly connected with the second joint 13 through the bolt 1501, specifically, the bolt 1501 is engaged with the nut 1502 after penetrating through the first connection ring and the second connection ring, so that the first joint 12 can move relative to the second joint 13 through the bolt 1501.
In order to reduce the axial and circumferential displacement of the first joint 12 and the second joint 13 when they are fixedly connected, a limit component 16 for axially and circumferentially limiting the bolt 1501 is provided between the bolt 1501 and the first connection ring of the first joint 12. This is because, in the use, the condition that can become flexible appears between bolt 1501 and nut 1502 for first joint 12 moves to keeping away from second joint 13 direction, produces the gap between the two, and flow hole piece 14 drops from above-mentioned gap easily, and the setting of spacing subassembly 16 can carry out axial and circumference spacing to bolt 1501, reduces the shake of bolt 1501, and then can reduce the condition that takes place to become flexible between bolt 1501 and the nut 1502, improves the connection stability of above-mentioned flow hole piece installed part.
Illustratively, the position limiting assembly 16 is an elastic position limiting assembly 16, and includes a spring and a positioning pin, one end of the spring is fixedly connected to the first connecting ring of the first joint 12, the other end of the spring is fixedly connected to the positioning pin, a positioning groove for accommodating part or all of the positioning pin is formed in the bolt 1501, and part or all of the positioning pin is inserted into the positioning groove. When the flow hole piece 14 is disassembled, the first joint 12 moves towards the direction far away from the second joint 13 through the sliding assembly 15, so that a gap is generated between the first joint 12 and the second joint 13, the positioning pin is pulled out from the positioning groove, and the spring is in a compressed state; when installing new flow hole piece 14, first joint 12 passes through sliding assembly 15 to connecting 13 direction motion to being close to the second, and the locating pin inserts the constant head tank under the effect of spring resilient force to can connect 13 to the second and carry out axial and circumference location, reduce rocking of bolt 1501, and then can reduce the condition that takes place to become flexible between bolt 1501 and the nut 1502, improve the connection stability of above-mentioned flow hole piece installed part.
EXAMPLE III
The embodiment provides a cleaning device, which comprises a detection tool provided by the first embodiment.
Compared with the prior art, the beneficial effects of the cleaning device provided by the embodiment are basically the same as the beneficial effects of the detection tool provided by the first embodiment, and are not repeated herein.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application.
Claims (10)
1. The utility model provides a cleaning equipment vacuum pressure detects frock, its characterized in that includes the body and locates the vacuum pressure sensor on the body, the fluid passage intercommunication in vacuum pressure sensor and the body, the body is located between cleaning equipment's preceding tip and the back tip.
2. The vacuum pressure detection tool for the cleaning equipment according to claim 1, wherein the length of the tube body is less than or equal to 182mm, and the inner diameter of the tube body is less than or equal to 40 mm.
3. The vacuum pressure detection tool for the cleaning equipment according to claim 1 or 2, further comprising a display connected with the vacuum pressure sensor and used for displaying the vacuum pressure value acquired by the vacuum pressure sensor.
4. The vacuum pressure detection tool for the cleaning equipment according to claim 1 or 2, further comprising a connector part arranged at two ends of the tube body, wherein one end of the tube body is connected with the front end part of the cleaning equipment through the connector part, and the other end of the tube body is connected with the rear end part of the cleaning equipment through the connector part.
5. The vacuum pressure detection tool for the cleaning equipment according to claim 4, wherein a sealing ring is arranged between the interface part and the pipe body.
6. A vacuum pressure detection device for cleaning equipment is characterized by comprising the detection tool as claimed in claims 1 to 5 and a pressure stabilizing box communicated with a suction pipe at the front end part.
7. The vacuum pressure detection apparatus of claim 6, further comprising a flow adjustment assembly in communication with the surge tank, the flow adjustment assembly for adjusting the flow of fluid into the surge tank.
8. The vacuum pressure detection apparatus of claim 7, wherein the flow regulating assembly comprises a flow orifice plate and a flow orifice plate mounting member, the plenum is fixedly connected to an external fluid conduit by the flow orifice plate mounting member, and the flow orifice plate is disposed in the flow orifice plate mounting member.
9. The cleaning apparatus vacuum pressure detection device of claim 8, wherein the flow orifice plate mount comprises a first connector and a second connector, a flow orifice plate receptacle is formed between the first connector and the second connector, and the first connector is fixedly connected to the second connector via a sliding assembly.
10. The vacuum pressure detection apparatus of claim 9, wherein the sliding assembly comprises a bolt and a nut engaged with the bolt, and the first joint is fixedly connected with the second joint through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236439.3A CN111297262B (en) | 2019-12-05 | 2019-12-05 | Cleaning equipment vacuum pressure detects frock and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236439.3A CN111297262B (en) | 2019-12-05 | 2019-12-05 | Cleaning equipment vacuum pressure detects frock and detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111297262A true CN111297262A (en) | 2020-06-19 |
| CN111297262B CN111297262B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911236439.3A Active CN111297262B (en) | 2019-12-05 | 2019-12-05 | Cleaning equipment vacuum pressure detects frock and detection device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1864616A (en) * | 2006-05-24 | 2006-11-22 | 宁波富达电器有限公司 | Air pressure sensing vacuum cleaner |
| CN201227237Y (en) * | 2008-02-05 | 2009-04-29 | 布莱克和戴克公司 | Vacuum cleaner |
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| CN211911495U (en) * | 2019-12-05 | 2020-11-13 | 小狗电器互联网科技（北京）股份有限公司 | Vacuum pressure detection tool and detection device for cleaning equipment |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1864616A (en) * | 2006-05-24 | 2006-11-22 | 宁波富达电器有限公司 | Air pressure sensing vacuum cleaner |
| CN201227237Y (en) * | 2008-02-05 | 2009-04-29 | 布莱克和戴克公司 | Vacuum cleaner |
| CN201925151U (en) * | 2011-03-08 | 2011-08-10 | 黑龙江省农业机械工程科学研究院 | Vacuum pump performance testing device |
| CN102564695A (en) * | 2011-12-28 | 2012-07-11 | 大连理工大学 | Semiconductor micro air pressure sensor test system |
| CN104330278A (en) * | 2014-11-28 | 2015-02-04 | 国家气动产品质量监督检验中心 | Vacuum generator performance detection equipment and detection method |
| CN211911495U (en) * | 2019-12-05 | 2020-11-13 | 小狗电器互联网科技（北京）股份有限公司 | Vacuum pressure detection tool and detection device for cleaning equipment |
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