CN112460038A - Sealing test device for sewage pump - Google Patents
Sealing test device for sewage pump Download PDFInfo
- Publication number
- CN112460038A CN112460038A CN202011257433.7A CN202011257433A CN112460038A CN 112460038 A CN112460038 A CN 112460038A CN 202011257433 A CN202011257433 A CN 202011257433A CN 112460038 A CN112460038 A CN 112460038A
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- Prior art keywords
- sealing
- wall
- head
- annular
- fixing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The invention discloses a sealing test device for a sewage pump, and relates to the technical field of sealing test devices for sewage pumps; in order to improve the detection reliability; the detection box comprises a detection box body, wherein two sealing assemblies used for sealing input and output ends of a pump body are arranged inside the detection box body, the two sealing assemblies respectively comprise a sealing head and an annular sealing sleeve, the sealing heads are of hollow round platform structures, the annular sealing sleeves are bonded on the outer wall of one side of the sealing heads, the outer side wall of each annular sealing sleeve is matched with the outer side wall of the corresponding sealing head, and an air supply hard tube is arranged on the inner wall of each sealing head. Because the elastic sheet and the annular sealing sleeve are arranged, the outer side wall of the annular sealing sleeve is in a hollow round table side structure matched with the outer side wall of the sealing head, the inner diameters with different sizes can be sealed, and the elastic sheet is tightly attached to the input end and the output end of the pump body under the action of the self resilience force of the annular sealing sleeve and the elastic sheet during sealing, so that the sealing effect is enhanced, and the detection reliability is improved.
Description
Technical Field
The invention relates to the technical field of sewage pump sealing test devices, in particular to a sealing test device for a sewage pump.
Background
As a sewage pump, consider on the basis of environmental protection and safe in utilization, in the production and processing of sewage pump, there is certain requirement to its leakproofness of during operation, so, in sewage pump production, still need carry out the leakproofness test to it often, this has just applied various sealed testing arrangement, because to the structure of the pump body, when testing the leakproofness, usually need seal its input/output end, and although general sealed testing arrangement can satisfy certain test requirement, but, still there is not enough to pump body input/output end closed effect, thereby phenomenon such as easy appearance leaks when leading to testing, influence the test result.
Through the retrieval, chinese patent application number is CN 201920364169.3's patent, a water pump leakproofness inspection testing arrangement is disclosed, which comprises a base, pneumatic fixture and port gas tightness detection mechanism, the equal vertical fixation of the upper surface both sides of base has the mounting bracket, pneumatic fixture settles the top at the mounting bracket, pneumatic fixture is provided with two sets ofly altogether, connection port has all been seted up to the below both sides of water pump, port gas tightness detection mechanism runs through the inside of connection port, the slider is all installed to both sides around the bottom of water pump, through the bolt connection that locks between slider and the base, the medial surface of grip slipper contacts with the below outer wall of water pump. The water pump tightness test device in the above patent has the following disadvantages: although certain test requirements can be met, the sealing effect on the input end and the output end of the pump body is insufficient, so that the phenomena of leakage and the like are easy to occur during testing, and the testing result is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a sealing test device for a sewage pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sealing test device for a sewage pump comprises a detection box, wherein two sealing components for sealing the input end and the output end of a pump body are arranged in the detection box, each sealing component comprises a sealing head and an annular sealing sleeve, the sealing heads are of a hollow round platform structure, the annular sealing sleeves are bonded on the outer wall of one side of the sealing heads, the outer walls of the annular sealing sleeves are matched with the outer walls of the sealing heads, air supply hard pipes are arranged on the inner walls of the sealing heads, one ends of the air supply hard pipes are integrally provided with limiting heads, the air supply hard pipes are connected to the inner walls of the sealing heads through the rotation of the sealing heads in a sealing mode, one ends of the air supply hard pipes, far away from the sealing heads, are connected with an air pressure generating device through universal hoses, elastic pieces which are uniformly and circumferentially distributed are bonded between the circumferential outer walls of the air supply hard pipes and the, the elastic sheet penetrates through and is connected to the inner wall of the connecting seat in a sliding manner.
Preferably: the outer side wall of the sealing head is provided with a sealing part, the sealing part comprises a rubber sheet and an annular elastic bag, the annular elastic bag is bonded to one side, close to the air supply hard pipe, of the middle of the rubber sheet, the annular elastic bag is concentric with the rubber sheet, the thickness of the annular elastic bag is smaller than that of the rubber sheet, the diameter of the rubber sheet is larger than the maximum diameter of an annular sealing sleeve, and an annular air inlet is formed in one side, far away from the air supply hard pipe, of the annular elastic bag; the rubber sheet is bonded on the outer side wall of the sealing head in a sealing mode.
Further: a support frame is fixed on the outer wall of the top of the detection box through screws, a connecting slide rod is connected to the inner wall of the support frame in a sliding mode, a limiting block is fixed on the top of the connecting slide rod through screws, and a collecting barrel is fixed at the bottom end of the connecting slide rod through screws; the detection box is internally provided with a fixing mechanism for fixing the pump body.
Further preferred is: the collecting barrel is characterized in that a mounting seat is integrally arranged on the outer wall of the top of the collecting barrel, and a collecting ring used for collecting leaked gas is detachably connected to the inner wall of the mounting seat in a threaded sealing mode.
As a preferable aspect of the present invention: the collecting vessel top outer wall is the arc structure of upwards uplifting, and collecting ring bottom outer wall is the arc structure with collecting vessel top inner wall adaptation.
Further preferred as the invention: the inner wall of the top of the collecting ring is rotatably connected with a regulating rod through a sealing ring in a sealing manner, the outer wall of the top of the regulating rod is fixedly provided with a regulating knob through screws, the bottom of the regulating rod is of a hollow structure, two first openings for gas to enter are formed in the side wall of the bottom of the regulating rod, the inner wall of the bottom of the collecting ring is bonded with a regulating seat, the regulating rod is slidably connected to the inner wall of the regulating seat in a sealing manner, and two second openings matched with the first openings are formed in the side.
As a still further scheme of the invention: the outer wall of one side of the collecting ring is provided with scale marks.
On the basis of the scheme: the fixing mechanism comprises a fixing frame and a fixing head, the outer wall of the bottom of the fixing frame is installed on the inner wall of the bottom of the detection box through a supporting rod, the inner wall of the fixing frame is connected with a fixing screw rod through threads, the outer wall of one side of the fixing head is fixed on the inner wall of one end of the fixing screw rod through screws, and the outer wall of the other end of the fixing screw rod is fixed with a fixing knob through screws.
On the basis of the foregoing scheme, it is preferable that: an observation window is installed on the inner wall of one side of the detection box in a sealing mode, and the observation window is made of transparent glass or acrylic materials.
The invention has the beneficial effects that:
1. the invention can seal the input and output ends of the pump body by arranging the sealing head, the air supply hard tube and other structures, fill water into the detection box, and carry out air tightness detection by inflating the interior of the pump body through the universal hose, in addition, because the outer side wall of the annular sealing sleeve is in a hollow round platform side structure matched with the outer side wall of the sealing head, the invention can seal inner diameters with different sizes, and in the sealing process, the air supply hard tube is rotated in the sealing head to lead the elastic sheet to deform, thereby leading the connecting seat to limit the elastic sheet, leading the annular sealing sleeve to contract inwards, thereby being convenient for plugging the sealing component into the input and output ends of the pump body, when the air supply hard tube is released, the annular sealing sleeve is tightly attached to the input and output ends of the pump body under the self resilience force of the annular sealing sleeve and the action of the elastic sheet, thereby enhancing the sealing effect, the detection reliability is improved.
2. Through setting up sheet rubber and annular elastic bag, can be when sealed head inserts pump body input/output end, because the diameter of sheet rubber is great, the edge of sheet rubber is nature to the crooked deformation in air feed hard tube one side, utilize the deformation of sheet rubber, can further seal the pump body of unidimensional not, and when utilizing universal hose to aerify to pump body inside, because annular elastic bag thickness is less than sheet rubber thickness, consequently annular elastic bag expands in advance under the atmospheric pressure effect, thereby jack-up the sheet rubber to the outside, with the frictional force that promotes sheet rubber edge and pump body input/output end inner wall, thereby reinforcing sealing performance.
3. Through setting up collecting vessel isotructure, can be convenient for when detecting, utilize the collecting vessel cover in the pump body outside to do benefit to and collect letting out gas, when avoiding taking place slightly to reveal, the bubble undersize and difficult observation, simultaneously, this mode does benefit to extension check-out time, with reduction detection error.
4. The collecting ring with smaller size relative to the collecting barrel is arranged, so that the observation convenience is improved; through the collecting ring and the collecting barrel that set up the arc structure, can be more effective and more thorough collect the gas of letting out, promoted the reliability of testing result.
5. By arranging the adjusting seat, the first opening, the second opening and the like, the adjusting rod can be rotated on the inner wall of the adjusting seat in a manner of screwing the adjusting knob according to actual requirements, so that the conduction and the sealing of the first opening and the second opening are controlled, the collecting ring can be conveniently taken down from the collecting barrel for observation, and the convenience and the practicability are improved; through setting up the scale mark, the audio-visual reflection air leakage quantity of being convenient for to do benefit to the judgement and the analysis to the testing result.
Drawings
Fig. 1 is a schematic structural diagram of an overall sealing test device for a sewage pump according to the present invention;
FIG. 2 is a schematic structural diagram of the interior of a detection box of the sealing test device for the sewage pump, which is provided by the invention;
FIG. 3 is a schematic sectional structural view of a seal assembly of a seal testing apparatus for a sewage pump according to the present invention;
FIG. 4 is a schematic sectional structural view of a collecting vessel of the sealing test device for a sewage pump according to the present invention;
fig. 5 is a schematic structural diagram of a cross section of a collecting cup of a sealing test device for a sewage pump according to the present invention.
In the figure: the device comprises a detection box 1, scale marks 2, a connecting slide rod 3, a limiting block 4, a supporting frame 5, an adjusting knob 6, a collecting cup 7, a collecting barrel 8, a supporting rod 9, a fixing frame 10, a sealing component 11, a sealing part 12, a universal hose 13, a fixing head 14, a fixing screw 15, a fixing knob 16, a limiting head 17, a sealing head 18, a rubber sheet 19, an annular sealing sleeve 20, an air supply hard tube 21, an elastic sheet 22, a connecting seat 23, an annular elastic bag 24, an adjusting rod 25, a mounting seat 26, an adjusting seat 27, a first opening 28, a second opening 29, a sealing ring 30 and an observation window 31.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A sealing test device for a sewage pump is shown in figures 1-5 and comprises a detection box 1, wherein two sealing assemblies 11 used for sealing input and output ends of a pump body are arranged inside the detection box 1, each sealing assembly 11 comprises a sealing head 18 and an annular sealing sleeve 20, each sealing head 18 is of a hollow round platform structure, each annular sealing sleeve 20 is bonded on the outer wall of one side of each sealing head 18, the outer wall of each annular sealing sleeve 20 is matched with the outer wall of each sealing head 18, an air supply hard pipe 21 is arranged on the inner wall of each sealing head 18, one end of each air supply hard pipe 21 is integrally provided with a limiting head 17, each air supply hard pipe 21 is connected to the inner wall of each sealing head 18 through the rotation of the sealing of the limiting head 17 in a sealing mode, one end, far away from each sealing head 18, of each air supply hard pipe 21 is connected with an air pressure generation device through a universal hose 13, elastic pieces 22 which are, the elastic sheet 22 is of a cyclone structure, the outer wall of one side of the sealing head 18 is integrally provided with the connecting seat 23, the elastic sheet 22 penetrates through and is connected with the inner wall of the connecting seat 23 in a sliding manner, the input and output ends of the pump body can be sealed by arranging the sealing head 18, the air supply hard tube 21 and other structures, water is filled into the detection box 1, and air tightness detection is carried out in a mode of inflating the interior of the pump body through the universal hose 13, in addition, due to the arrangement of the elastic sheet 22 and the annular sealing sleeve 20, because the outer side wall of the annular sealing sleeve 20 is of a hollow round platform side structure matched with the outer side wall of the sealing head 18, inner diameters with different sizes can be sealed, in addition, the air supply hard tube 21 is rotated in the sealing head 18 during sealing, the elastic sheet 22 is deformed, the connecting seat 23 is further used for limiting the elastic sheet 22, the annular sealing sleeve 20 is caused to contract inwards, and the sealing, when the air supply hard pipe 21 is released, the annular sealing sleeve 20 is tightly attached to the input end and the output end of the pump body under the action of the self resilience force and the elastic sheet 22, so that the sealing effect is enhanced, and the detection reliability is improved.
In order to further improve the sealing performance; as shown in fig. 2 and 3, a sealing portion 12 is arranged on the outer side wall of the sealing head 18, the sealing portion 12 includes a rubber sheet 19 and an annular elastic bag 24, the annular elastic bag 24 is adhered to one side of the middle of the rubber sheet 19 close to the air supply hard tube 21, the annular elastic bag 24 is concentric with the rubber sheet 19, the thickness of the annular elastic bag 24 is smaller than that of the rubber sheet 19, the diameter of the rubber sheet 19 is larger than the maximum diameter of the annular sealing sleeve 20, and an annular air inlet is arranged on one side of the annular elastic bag 24 away from the air supply hard tube 21; the rubber sheet 19 is bonded on the outer side wall of the sealing head 18 in a sealing way; through setting up sheet rubber 19 and annular elastic bag 24, can be when sealed head 18 inserts pump body input/output end, because sheet rubber 19's diameter is great, sheet rubber 19's edge is naturally to the crooked deformation in air feed hard tube 21 one side, utilize sheet rubber 19's deformation, can further seal the pump body of not unidimensional, and when utilizing universal hose 13 to aerify to the pump body is inside, because annular elastic bag 24 thickness is less than sheet rubber 19 thickness, consequently annular elastic bag 24 expands in advance under the atmospheric pressure effect, thereby jack-up sheet rubber 19 to the outside, with the frictional force of promotion sheet rubber 19 edge and pump body input/output end inner wall, thereby reinforcing sealing performance.
To facilitate detection; as shown in fig. 1 and 2, a support frame 5 is fixed on the outer wall of the top of the detection box 1 through screws, a connecting slide rod 3 is connected on the inner wall of the support frame 5 in a sliding manner, a limiting block 4 is fixed on the top of the connecting slide rod 3 through screws, and a collecting barrel 8 is fixed at the bottom end of the connecting slide rod 3 through screws; the detection box 1 is also internally provided with a fixing mechanism for fixing the pump body; through setting up collecting vessel 8 isotructures, can be convenient for when detecting, utilize collecting vessel 8 to cover in the pump body outside to do benefit to and collect letting out gas, when avoiding taking place slightly to reveal, the bubble undersize and difficult observation, simultaneously, this mode does benefit to the extension check-out time, in order to reduce detection error.
To facilitate a more intuitive observation; as shown in fig. 2 and 4, the outer wall of the top of the collecting barrel 8 is integrally provided with a mounting seat 26, and the inner wall of the mounting seat 26 is detachably connected with a collecting ring 7 for collecting leaked gas in a threaded sealing manner; by providing a gathering ring 7 that is smaller in size relative to the gathering barrel 8, the ease of observation is improved.
In order to improve the collecting effect; as shown in fig. 2, 4 and 5, the outer wall of the top of the collecting barrel 8 is of an arc structure protruding upwards, and the outer wall of the bottom of the collecting ring 7 is of an arc structure matched with the inner wall of the top of the collecting barrel 8; through collecting ring 7 and the collecting vessel 8 that sets up the arc structure, can be more effective and more thorough collect the gas of letting out, promoted the reliability of testing result.
In order to improve convenience and practicability; as shown in fig. 4, the inner wall of the top of the collecting ring 7 is rotatably connected with an adjusting rod 25 in a sealing manner through a sealing ring 30, the outer wall of the top of the adjusting rod 25 is fixed with an adjusting knob 6 through a screw, the bottom of the adjusting rod 25 is of a hollow structure, the side wall of the bottom of the adjusting rod 25 is provided with two first openings 28 for air to enter, the inner wall of the bottom of the collecting ring 7 is bonded with an adjusting seat 27, the adjusting rod 25 is connected with the inner wall of the adjusting seat 27 in a sealing manner in a sliding manner, and the circumferential side wall of the adjusting seat 27 is provided with two; through setting up regulation seat 27, first opening 28, second opening 29 isotructure, can be according to actual demand to twist the mode of moving adjust knob 6, make adjust pole 25 rotate in adjusting seat 27 inner wall, thereby control switching on and sealing of first opening 28 and second opening 29, in order to do benefit to and take off the observation with collecting ring 7 from collecting vessel 8, promoted convenience and practicality.
In order to improve the practicability; as shown in figures 1 and 2, the outer wall of one side of the collecting ring 7 is provided with scale marks 2, and the scale marks 2 are arranged, so that the air leakage amount can be conveniently and visually reflected, and the judgment and analysis of the detection result are facilitated.
In order to fix the pump body conveniently; as shown in fig. 2, the fixing mechanism includes a fixing frame 10 and a fixing head 14, the outer wall of the bottom of the fixing frame 10 is mounted on the inner wall of the bottom of the detection box 1 through a support rod 9, the inner wall of the fixing frame 10 is connected with a fixing screw 15 through a thread, the outer wall of one side of the fixing head 14 is fixed on the inner wall of one end of the fixing screw 15 through a screw, and the outer wall of the other end of the fixing screw 15 is fixed with a fixing knob 16 through; through setting up structures such as mount 10, fixed head 14, be convenient for fix the pump body, promote the reliability that detects.
For easy observation; as shown in fig. 1, an observation window 31 is hermetically installed on an inner wall of one side of the detection box 1, and the observation window 31 is made of transparent glass or acrylic material; through setting up observation window 31, the better observation condition of detecting of being convenient for has promoted the practicality.
When the sewage pump sealing device is used, a user places a sewage pump to be detected in the fixing frame 10 and twists the fixing knob 16, the sewage pump body is fixed through the fixing head 14, the user inserts the two sealing heads 18 into the input and output ends of the pump body respectively, the air supply hard tube 21 is rotated in the sealing heads 18 by twisting, so that the elastic sheet 22 deforms, the connecting seat 23 limits the elastic sheet 22, the annular sealing sleeve 20 is contracted inwards, the sealing assembly 11 is conveniently plugged into the input and output ends of the pump body, when the air supply hard tube 21 is released, the elastic sheet is tightly attached to the input and output ends of the pump body under the action of the elastic force of the annular sealing sleeve 20 and the elastic sheet 22, and the sealing effect is enhanced; in addition, when the sealing head 18 is inserted into the input and output ends of the pump body, the edge of the rubber sheet 19 naturally bends and deforms towards the air supply hard tube 21 due to the large diameter of the rubber sheet 19, the pump bodies with different sizes can be further sealed by utilizing the deformation of the rubber sheet 19, and when the universal hose 13 is utilized to inflate the interior of the pump body, the annular elastic bag 24 expands in advance under the action of air pressure due to the fact that the thickness of the annular elastic bag 24 is smaller than that of the rubber sheet 19, so that the rubber sheet 19 is jacked outwards, the friction force between the edge of the rubber sheet 19 and the inner wall of the input and output end of the pump body is improved, and the sealing performance is enhanced; a user pours water into the detection box 1, covers the collecting barrel 8 on the top of the pump body, empties the air in the collecting barrel 8 and the collecting ring 7, controls the air pressure generating device to work, and carries out air tightness detection in a mode of inflating the pump body through the universal hose 13; when the pump body takes place gas leakage, because gathering ring 7 and collecting vessel 8 are the arc structure, the gas of leakage enters into hollow regulation pole 25 under its direction, and then enters into gathering ring 7 inside by first opening 28 and second opening 29, wait to detect the back that finishes, the user makes first opening 28 skew in second opening 29 one side through operation adjust knob 6 to seal gathering ring 7, so that take off gathering ring 7, judge the monitoring result based on scale mark 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The sealing test device for the sewage pump comprises a test box (1) and is characterized in that two sealing assemblies (11) used for sealing input and output ends of a pump body are arranged inside the test box (1), each sealing assembly (11) comprises a sealing head (18) and an annular sealing sleeve (20), each sealing head (18) is of a hollow round platform structure, each annular sealing sleeve (20) is bonded on the outer wall of one side of each sealing head (18), the outer side wall of each annular sealing sleeve (20) is matched with the outer side wall of each sealing head (18), an air supply hard pipe (21) is arranged on the inner wall of each sealing head (18), one end of each air supply hard pipe (21) is integrally provided with a limiting head (17), each air supply hard pipe (21) is connected to the inner wall of each sealing head (18) in a sealing mode through the rotating of the limiting head (17), one end, far away from each sealing head (18), of each air supply hard pipe (21) is connected, bonding has elastic sheet (22) that even circumference distributes between the inside wall of air feed hard tube (21) circumference outer wall and ring seal cover (20), elastic sheet (22) are whirlwind structure, sealed head (18) one side outer wall integral type is provided with connecting seat (23), and elastic sheet (22) run through and sliding connection in connecting seat (23) inner wall.
2. The seal testing device for the sewage pump is characterized in that a sealing portion (12) is arranged on the outer side wall of the sealing head (18), the sealing portion (12) comprises a rubber sheet (19) and an annular elastic bag (24), the annular elastic bag (24) is bonded to one side, close to the air supply hard pipe (21), of the middle of the rubber sheet (19), the annular elastic bag (24) is concentric with the rubber sheet (19), the thickness of the annular elastic bag (24) is smaller than that of the rubber sheet (19), the diameter of the rubber sheet (19) is larger than the maximum diameter of the annular sealing sleeve (20), and an annular air inlet is formed in one side, far away from the air supply hard pipe (21), of the annular elastic bag (24); the rubber sheet (19) is bonded on the outer side wall of the sealing head (18) in a sealing mode.
3. The sealing test device for the sewage pump according to claim 2, wherein a support frame (5) is fixed on the outer wall of the top of the detection box (1) through screws, a connecting slide rod (3) is connected to the inner wall of the support frame (5) in a sliding manner, a limiting block (4) is fixed on the top of the connecting slide rod (3) through screws, and a collection barrel (8) is fixed on the bottom end of the connecting slide rod (3) through screws; the detection box (1) is also internally provided with a fixing mechanism for fixing the pump body.
4. The seal testing device for the sewage pump according to claim 3, characterized in that the top outer wall of the collecting barrel (8) is integrally provided with a mounting seat (26), and the inner wall of the mounting seat (26) is detachably connected with a collecting ring (7) for collecting leaked gas in a thread sealing manner.
5. The device for testing the sealing of the sewage pump according to claim 4, wherein the outer wall of the top of the collecting barrel (8) is of an upwardly-raised arc structure, and the outer wall of the bottom of the collecting ring (7) is of an arc structure matched with the inner wall of the top of the collecting barrel (8).
6. The sealing test device for the sewage pump according to claim 5, wherein the inner wall of the top of the collecting ring (7) is rotatably connected with the adjusting rod (25) in a sealing manner through a sealing ring (30), the outer wall of the top of the adjusting rod (25) is fixed with the adjusting knob (6) through a screw, the bottom of the adjusting rod (25) is of a hollow structure, two first openings (28) for air to enter are formed in the side wall of the bottom of the adjusting rod (25), the adjusting seat (27) is bonded to the inner wall of the bottom of the collecting ring (7), the adjusting rod (25) is slidably connected to the inner wall of the adjusting seat (27) in a sealing manner, and two second openings (29) matched with the first openings (28) are formed in the side wall of the circumference of the adjusting.
7. The seal testing device for the sewage pump according to claim 6, wherein the gathering ring (7) is provided with scale marks (2) on one side of the outer wall.
8. The device for testing the sealing of the sewage pump according to any one of claims 3 to 7, wherein the fixing mechanism comprises a fixing frame (10) and a fixing head (14), the outer wall of the bottom of the fixing frame (10) is mounted on the inner wall of the bottom of the detection box (1) through a support rod (9), the inner wall of the fixing frame (10) is connected with a fixing screw (15) through a thread, the outer wall of one side of the fixing head (14) is fixed on the inner wall of one end of the fixing screw (15) through a screw, and the outer wall of the other end of the fixing screw (15) is fixed with a fixing knob (16) through a.
9. The sealing test device for the sewage pump according to claim 8, wherein an observation window (31) is hermetically installed on an inner wall of one side of the detection box (1), and the observation window (31) is made of transparent glass or acrylic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257433.7A CN112460038A (en) | 2020-11-11 | 2020-11-11 | Sealing test device for sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257433.7A CN112460038A (en) | 2020-11-11 | 2020-11-11 | Sealing test device for sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112460038A true CN112460038A (en) | 2021-03-09 |
Family
ID=74826529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257433.7A Withdrawn CN112460038A (en) | 2020-11-11 | 2020-11-11 | Sealing test device for sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112460038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959653A (en) * | 2021-10-20 | 2022-01-21 | 苏州通锦精密工业股份有限公司 | Pump body gas tightness check out test set |
-
2020
- 2020-11-11 CN CN202011257433.7A patent/CN112460038A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959653A (en) * | 2021-10-20 | 2022-01-21 | 苏州通锦精密工业股份有限公司 | Pump body gas tightness check out test set |
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Application publication date: 20210309 |
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| WW01 | Invention patent application withdrawn after publication |