CN215115057U

CN215115057U - Air tightness detection clamp of water pump

Info

Publication number: CN215115057U
Application number: CN202121569376.6U
Authority: CN
Inventors: 王永昌
Original assignee: Shaoxing Xuehua Electrical & Mechanical Co ltd
Current assignee: Shaoxing Xuehua Electrical & Mechanical Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2021-12-10
Anticipated expiration: 2031-07-10

Abstract

The utility model belongs to the technical field of the gas tightness detects technique and specifically relates to a gas tightness detects anchor clamps of water pump is related to, including frame, setting element, installation component and subassembly of ventilating. The frame is including the installation upper segment, installation middle section and installation hypomere, the welding has two parallel slide rails on installation hypomere working face, the mount pad sliding connection of water pump is in the slide rail, the constant head tank has been seted up respectively in installation middle section perpendicular to slide rail both sides, the setting element inlays to be located in two constant head tanks, the installation subassembly sets up in the installation hypomere, the installation subassembly is used for realizing sealing and opening the water pump inlet, the subassembly of ventilating sets up in the installation upper segment, the subassembly of ventilating includes the pressure disk, the welding has the intercommunication piece on the pressure disk, the subassembly of ventilating is used for realizing the intercommunication and the cutting off of water pump liquid outlet department gas, the intercommunication has the intake pipe on the intercommunication piece, it has manometer and valve to communicate in proper order in the intake pipe. The utility model provides the high efficiency that the gas tightness detected has reduced artifical error that detects, is fit for detecting in batches greatly.

Description

Air tightness detection clamp of water pump

Technical Field

The utility model belongs to the technical field of the gas tightness technique and specifically relates to a gas tightness detects anchor clamps of water pump is related to.

Background

The water pump is used for carrying liquid's equipment, and the gas tightness of water pump influences the ability of drawing water of water pump, in order to guarantee the outgoing of water pump quality, need carry out gas tightness detection with the water pump before leaving the factory.

Referring to fig. 1, a mounting base 703 is arranged at the lower end of the water pump 7, an output end of the water pump is arranged on the left side of the water pump 7, a liquid inlet 701 is arranged on the right side of the water pump 7, a liquid outlet 702 is arranged at the upper end of the water pump 7, and the axis of the liquid inlet 701 is perpendicular to the axis of the liquid outlet 702.

At present, the water pump is immersed in water, the liquid inlet is closed, the liquid outlet is ventilated, whether the air tightness of the water pump is qualified or not is detected by observing whether bubbles are generated in the water, and the detection method is low in efficiency and only suitable for small-batch detection.

SUMMERY OF THE UTILITY MODEL

In order to improve water pump gas tightness detection efficiency, the utility model provides a gas tightness detects anchor clamps of water pump.

The utility model provides a pair of gas tightness of water pump detects anchor clamps adopts following technical scheme:

a water pump air tightness detection clamp comprises a frame, a positioning piece arranged on the frame, a mounting component for sealing a water pump liquid inlet, and a ventilation component which reciprocates up and down relative to the frame, wherein a mounting seat of a water pump is connected on the frame in a sliding manner, the positioning piece is used for realizing axial limiting of the water pump, the mounting assembly comprises a mounting plate, a first driving piece for driving the mounting plate to rotate around the axis of the mounting plate and a second driving piece for driving the mounting plate to move towards the liquid inlet, the mounting plate is provided with a plurality of plugs, the diameters of the plugs are matched with the diameters of different liquid inlets, the water pump liquid inlet is blocked, the ventilation assembly comprises a pressure plate, the pressure plate is provided with a communicating block, the communicating block is communicated with a liquid outlet of the water pump, the communicating block is provided with an air inlet pipe, and the air inlet pipe is provided with a pressure gauge and a valve.

Through adopting above-mentioned technical scheme, mount pad sliding connection of water pump is in the frame, the one end of water pump is passed through the setting element and is realized the axial positioning to the water pump, the mounting panel drives stifled along slide rail length direction reciprocating motion, the realization is to the closure of water pump inlet with open, the different water pump inlet diameters of adaptation are stifled respectively to a plurality of, drive the mounting panel through first driving piece and rotate, make the stifled axis and the inlet axis coincidence of the stifled of adaptation water pump inlet diameter, drive the mounting panel through the second driving piece and stifled to removing to stifled the inlaying of being close to the water pump direction and locate the water pump inlet, improve the application scope that water pump gas tightness detected anchor clamps. The pressure disk drives the relative frame of intercommunication piece and reciprocates, realizes the intercommunication to the water pump liquid outlet and cuts off, opens the valve, and in gaseous entering to the water pump from the intake pipe let in a period back, the valve was closed, observes the registration of manometer, when the registration is unchangeable, represents the gas tightness of water pump qualified, when the registration of manometer reduces, represents the gas tightness unqualified of water pump, has improved water pump gas tightness detection efficiency and rate of accuracy.

Optionally, a plurality of stifled evenly distributed in the mounting panel perpendicular to the surface of mounting panel axis, stifled axis be on a parallel with the axis of mounting panel and a plurality of stifled axis distance apart from the mounting panel is the same.

Through adopting above-mentioned technical scheme, a plurality of blocks up the terminal surface that sets up at the mounting panel towards the water pump inlet, and a plurality of blocks up and be circumference evenly distributed around the mounting panel axis, and two adjacent stifled contained angles are fixed, and the first driving piece drive mounting panel of being convenient for is around self axis turned angle's affirmation.

Optionally, the plug comprises an installation part and a connecting part, the connecting part is conical, the connecting part is connected with a liquid inlet of the water pump, and the installation part is fixedly connected with the installation plate.

Through adopting above-mentioned technical scheme, stifled connecting portion are conical, make things convenient for stifled inserting to locate in the inlet on the one hand, and on the other hand has also improved the leakproofness of stifled being connected with the inlet.

Optionally, the ventilation assembly further includes a worm gear box, a worm wheel arranged on the worm gear box, a worm engaged with the worm wheel, and a third driving member for driving the worm to rotate around the axis of the worm wheel, a screw rod penetrates through the worm wheel, the screw rod is in threaded connection with the worm wheel, a guide rod is arranged on the screw rod, the guide rod is in sliding connection with the rack, the worm gear box is fixedly connected with the rack, a avoiding hole penetrating through the screw rod is formed in the worm gear box, and the pressure plate is arranged at the lower end of the screw rod.

Through adopting above-mentioned technical scheme, the third driving piece drives the worm and rotates around self axis, the worm rotates and drives the worm wheel and rotate around self axis, the guide arm reciprocates the screw and plays the guide effect, make the worm wheel rotate and drive the screw rod and reciprocate along the worm axis, the screw rod drives pressure disk and intercommunication piece and reciprocates, the realization is to the intercommunication of liquid outlet and open, it reciprocates to drive the relative frame of intercommunication piece through the worm wheel, the transmission is steady and noiseless, and simultaneously, worm wheel and worm transmission self-locking performance is good, improve water pump gas tightness detection reliability.

Optionally, the worm wheel is provided with a threaded sleeve, the threaded sleeve is embedded in the worm wheel and detachably connected with the worm wheel, and the screw rod is embedded in the threaded sleeve and is in screw transmission with the threaded sleeve.

Through adopting above-mentioned technical scheme, the swivel nut is releasable connection with the worm wheel, the installation and the dismantlement of swivel nut and screw rod of being convenient for, when the thread in the swivel nut is impaired, need not change whole worm wheel, only need change the swivel nut.

Optionally, a baffle is arranged at the upper end of the screw rod, a first screw is arranged on the baffle, the baffle is connected with the screw rod through the first screw, and the size of the baffle in the length direction is larger than the diameter of the avoiding hole of the worm gear case.

Through adopting above-mentioned technical scheme, the screw rod upper end is equipped with the baffle, and the baffle reduces the screw rod because of thread tooth damage and the risk that the swivel nut dropout dropped, improves the security when water pump gas tightness detects.

Optionally, the setting element set up in the frame, the length direction perpendicular to water pump's of setting element axial direction, the constant head tank has been seted up in the frame, the setting element inlays to be located the constant head tank is followed slide rail length direction has seted up a plurality of constant head tanks, the output butt of water pump in the setting element.

Through adopting above-mentioned technical scheme, the setting element inlays and locates in the constant head tank, and the setting element is used for realizing spacing to the output of water pump, sets up the location of realization to different water pump specifications through the constant head tank along the different positions of slide rail, improves the application range that the water pump gas tightness detected.

Optionally, a plurality of inverted wedge ring-shaped sealing rings are arranged on the peripheral wall of the communicating block, the sealing rings are embedded in the liquid outlet of the water pump, and the periphery of the sealing rings is abutted against the inner wall of the liquid outlet.

Through adopting above-mentioned technical scheme, the intercommunication piece inlays to be located in the liquid outlet, because sealing washer circumference is the inverted wedge annular, has improved the leakproofness of the liquid outlet of intercommunication piece and water pump.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mounting plate is driven to rotate by the first driving piece, so that the plugs with different sizes are matched with the liquid inlets of the water pumps with different specifications, and the air tightness detection of the water pumps with different specifications is suitable;

2. the efficiency of gas tightness detection is improved, the error of artifical detection has been reduced, is fit for detecting in batches.

Drawings

Fig. 1 is a schematic axial side structure of a water pump.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is the structure schematic diagram after the water pump is installed in the utility model.

Fig. 4 is a front view of the plug of the present invention.

Fig. 5 is a schematic structural view of the venting assembly of the present invention with the worm gear case removed.

Description of reference numerals:

1. a frame; 101. a slide rail; 102. positioning a groove; 103. installing the upper section; 104. installing a middle section; 105. installing a lower section; 2. a positioning member; 3. mounting the component; 301. mounting a plate; 302. blocking; 303. a first motor; 304. a cylinder; 305. an installation part; 306. a connecting portion; 4. a vent assembly; 401. a communicating block; 402. an air inlet pipe; 405. a worm gear case; 406. a worm gear; 407. a worm; 408. a second motor; 409. a threaded sleeve; 410. a baffle plate; 411. a first screw; 412. a seal ring; 413. a platen; 414. a box cover; 415. a box body; 416. a second screw; 417. reinforcing ribs; 418. a screw; 419. a guide bar; 420. a guide groove; 5. a pressure gauge; 6. a valve; 7. a water pump; 701. a liquid inlet; 702. a liquid outlet; 703. and (7) mounting a seat.

Detailed Description

The present invention will be described in further detail with reference to fig. 2 to 5.

The embodiment of the application discloses an air tightness detection clamp of a water pump,

referring to fig. 2 and 3, the air tightness detecting clamp of the water pump comprises a frame 1, a positioning member 2, a mounting assembly 3 and a ventilation assembly 4.

The rack 1 is provided with an upper installation section 103, a middle installation section 104 and a lower installation section 105 from top to bottom in sequence, the upper installation section 103 is parallel to the lower installation section 105, the middle installation section 104 is arranged between the upper installation section 103 and the lower installation section 105 and used for supporting the upper installation section 103, and the middle installation section 104 is perpendicular to the upper installation section 104.

The welding has two parallel slide rails 101 on installation hypomere 105 up end, and the mount pad 703 sliding connection of water pump 7 has been seted up constant head tank 102 respectively in installation middle section 104 perpendicular to slide rail 101 both sides in slide rail 101, and setting element 2 inlays and locates in two constant head tanks 102, and installation component 3 sets up in installation hypomere 105, and installation component 3 is used for realizing the sealing and opening to water pump 7 inlet 701, and subassembly 4 of ventilating sets up in installation upper segment 103. The ventilation assembly 4 comprises a pressure plate 413, a communicating block 401 is welded on the pressure plate 413, the ventilation assembly 4 is used for communicating and cutting off gas at a liquid outlet 702 of the water pump 7, an air inlet pipe 402 is communicated on the communicating block 401, and a pressure gauge 5 and a valve 6 are sequentially communicated on the air inlet pipe 402.

When the air tightness of the water pump 7 is detected, the valve 6 is opened, the air inlet pipe 402 is communicated with an air source, air flows into a cavity of the water pump 7 from the liquid outlet 702, after a period of time, the valve 6 is closed, the numerical change of the pressure gauge 5 is observed, the air tightness of the water pump 7 is poor due to the fact that the number of the pressure gauge 5 is reduced, the number of the pressure gauge 5 is stable, and the air tightness of the water pump 7 is qualified.

In particular, the method comprises the following steps of,

for the air tightness detection of the water pumps 7 with different specifications, two pairs of positioning grooves 102 are arranged in the installation middle section 104 along the length direction of the slide rail 101, the two pairs of positioning grooves 102 realize the axial positioning of the output ends of the water pumps 7 with different specifications, and the longest distance between the positioning grooves 102 on the two sides of the slide rail 101 is greater than the length of the positioning piece 2 in order to facilitate the embedding of the positioning piece 2 in the positioning grooves 102. Two parallel slide rails 101 are welded at the left end of the rack 1, so that the mounting seat 703 of the water pump 7 can conveniently slide into a designated position from the left end.

The mounting assembly 3 comprises a mounting plate 301, a first drive member and a second drive member. The first driving member is a first motor 303 and the second driving member is a cylinder 304.

In particular, the method comprises the following steps of,

the mounting panel 301 is the disc, is equipped with two stifled 302 on the mounting panel 301, and the axis of two stifled 302 all is on a parallel with the axis of mounting panel 301 and equal with the distance of mounting panel 301 axis, and the relative mounting panel 301 axis of two stifled 302 is symmetry setting, for improving 7 air tightness detection fixture's of water pump suitability, two stifled 302 respectively the different specification of adaptation to inlet 701 pipe diameters.

Referring to fig. 3 and 4, the material of the plug 302 is rubber, the plug 302 includes an installation portion 305 and a connection portion 306, the installation portion 305 is cylindrical, the installation portion 305 is embedded in the installation plate 301 and is in interference fit with the installation plate 301, the connection portion 306 is conical, so that the plug can be conveniently inserted into the liquid inlet 701 of the water pump 7, and meanwhile, the plug 302 is made of rubber, when the liquid inlet 701 is sealed, the gap between the plug 302 and the liquid inlet 701 is reduced, and the sealing performance of the connection between the plug 302 and the liquid inlet 701 is improved.

Referring to fig. 2 and 3, the first motor 303 is configured to drive the mounting plate 301 to rotate around its axis, and select the plug 302 adapted to the liquid inlet 701 of the water pump 7, the first motor 303 is fixedly mounted at an output end of the air cylinder 304, and the air cylinder 304 drives the first motor 303 and the mounting plate 301 to approach and separate from each other relative to the liquid inlet 701 of the water pump 7.

Referring to fig. 2 and 4, the breather assembly 4 further includes a worm gear case 405, a worm gear 406, a worm 407, and a third drive, which is a second motor 408.

In particular, the method comprises the following steps of,

the worm gear case 405 is the components of a whole that can function independently setting, and worm gear case 405 includes box 415 and case lid 414, is equipped with second screw 416 on the case lid 414, and case lid 414 realizes fixed connection through second screw 416 with box 415, and box 415 is casting forming as an organic whole, and worm gear case 405 is used for installing worm wheel 406 and worm 407, and box 415 is fixed to be welded in installation upper segment 103 of frame 1, for the reliability of improving worm gear case 405 in the installation of frame 1, has two strengthening ribs 417 at the welding of box 415 lower extreme, and two strengthening ribs 417 frame 1 welded fastening.

A threaded sleeve 409 is arranged in the worm wheel 406, the threaded sleeve 409 is connected with the worm wheel 406 through a flat key, a screw rod 418 is arranged in the threaded sleeve 409, the screw rod 418 penetrates through the worm wheel box 405, equal-diameter avoidance holes are formed in the upper end and the lower end of the worm wheel box 405, the screw rod 418 and the threaded sleeve 409 are in screw transmission, the axis of the threaded sleeve 409 is superposed with the axis of the worm wheel 406 and is parallel to the vertical direction, the second motor 408 is fixed on the rack 1, the second motor 408 drives the worm 407 to rotate around the axis of the second motor, the worm 407 is in meshing transmission with the worm wheel 406, the worm wheel 407 drives the worm wheel 406 to rotate around the axis of the worm wheel 407, the worm wheel 406 and the threaded sleeve 409 are in rigid connection, the worm wheel 406 rotates to drive the threaded sleeve 409 to rotate together, a guide rod 419 is welded on the screw rod 418 due to the threaded connection between the screw rod 418 and the threaded sleeve 409, a guide groove 420 is formed in the rack 1, the length direction of the guide groove 420 is parallel to the axis of the screw rod 418, one end of the guide rod 419, which is far away from the screw rod 418, is connected in the guide groove 420 in a sliding manner, so that the screw sleeve 409 rotates to drive the screw rod 418 to move up and down.

In order to enable the screw 418 to slide down from the screw sleeve 409 due to thread damage of the low screw 418, a circular baffle plate 410 is arranged at the upper end of the screw 418, the diameter of the baffle plate 410 is larger than that of an avoidance hole formed in the worm gear case 405, a first screw 411 is arranged on the baffle plate 410, and the baffle plate 410 is connected with the screw 418 through the first screw 411.

The pot head is equipped with pressure disk 413 under the screw rod 418, and intercommunication piece 401 welds in pressure disk 413 lower extreme, and screw rod 418 reciprocates and drives intercommunication piece 401 and realize the intercommunication and the cutting off to water pump 7 liquid outlet 702, and screw rod 418 includes screw thread portion and optical axis portion, screw thread portion and swivel nut 409 threaded connection, has seted up the air inlet on the optical axis portion, air inlet and intercommunication piece 401 intercommunication, intake pipe 402 and air inlet intercommunication.

In order to improve the sealing performance between the communicating block 401 and the liquid outlet 702 of the water pump 7, three sealing rings 412 are arranged on the peripheral wall of the communicating block 401, the sealing rings 412 are inverted wedge ring-shaped, the included angle between the wedge angle of the sealing rings 412 and the pressure plate 413 is an acute angle, when the communicating block 401 is inserted into the liquid outlet 702 of the water pump 7, the sealing rings 412 are abutted to the pipe wall of the liquid outlet 702, the gas is prevented from escaping from the gap between the outer wall of the communicating block 401 and the pipe wall of the liquid outlet 702, and the accuracy of the air tightness detection of the water pump 7 is improved.

The implementation principle of the air tightness detection clamp of the water pump 7 in the embodiment of the application is as follows: four steps are required when the airtightness of the water pump 7 is detected,

firstly, arranging a water pump 7 on a rack 1, sliding into the rack 1 along a slide rail 101, embedding a limiting piece into a positioning groove 102, and realizing axial limiting on an output end of the water pump 7;

secondly, starting the first motor 303, enabling the first motor 303 to drive the mounting plate 301 to rotate, enabling the axis of the plug 302 matched with the liquid inlet 701 of the water pump 7 to coincide with the axis of the liquid inlet 701, closing the first motor 303, starting the air cylinder 304, and driving the mounting plate 301 and the plug 302 to move towards the direction close to the water pump 7 until the plug 302 is embedded in the liquid inlet 701 and seals the liquid inlet 701;

thirdly, starting the second motor 408, driving the worm 407 to rotate by the second motor 408, driving the worm wheel 406 and the thread sleeve 409 to rotate around the axis of the worm 407, and moving the screw 418 to the water pump 7 along the vertical direction until the communicating block 401 is communicated with the liquid outlet 702;

and fourthly, opening the valve 6, communicating the air inlet pipe 402 with an air source, enabling the air to flow into the cavity of the water pump 7 from the liquid outlet 702, closing the valve 6 after a period of time, observing the reading of the pressure gauge 5, indicating that the air tightness of the water pump 7 is poor when the reading of the pressure gauge 5 is reduced, and indicating that the air tightness of the water pump 7 is qualified when the reading of the pressure gauge 5 is stable.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an air tightness detection anchor clamps of water pump which characterized in that: comprises a frame (1), a positioning piece (2) arranged on the frame (1), a mounting component (3) for sealing a liquid inlet (701) of a water pump, and a ventilation component (4) which reciprocates up and down relative to the frame (1),

the mounting seat (703) of the water pump (7) is connected on the frame (1) in a sliding way, the positioning piece (2) is used for realizing the axial limit of the water pump (7),

the mounting assembly (3) comprises a mounting plate (301), a first driving piece for driving the mounting plate (301) to rotate around the axis of the mounting plate and a second driving piece for driving the mounting plate (301) to move towards the liquid inlet (701), the mounting plate (301) is provided with a plurality of blocks (302), the diameter of the blocks (302) is matched with the diameter of different liquid inlets (701), the blocks (302) close the liquid inlet (701),

the ventilation assembly (4) comprises a pressure plate (413), the pressure plate (413) is provided with a communicating block (401), the communicating block (401) is communicated with a liquid outlet (702) of the water pump (7), the communicating block (401) is provided with an air inlet pipe (402), and the air inlet pipe (402) is provided with a pressure gauge (5) and a valve (6).

2. The air tightness detection clamp of the water pump according to claim 1, characterized in that: a plurality of stifled (302) evenly distributed be in mounting panel (301) perpendicular to the surface of mounting panel (301) axis, the axis of stifled (302) is on a parallel with the axis of mounting panel (301) and a plurality of stifled (302) is the same apart from the axis distance of mounting panel (301).

3. The air tightness detection clamp of the water pump according to claim 1, characterized in that: stifled (302) including installation department (305) and connecting portion (306), connecting portion (306) are conical, connecting portion (306) are connected with water pump inlet (701), installation department (305) with mounting panel (301) fixed connection.

4. The air tightness detection clamp of the water pump according to claim 1, characterized in that: the ventilation assembly (4) further comprises a worm gear box (405), a worm wheel (406) arranged on the worm gear box (405), a worm (407) meshed with the worm wheel (406), and a third driving piece for driving the worm (407) to rotate around the axis of the worm wheel (406), a screw (418) penetrates through the worm wheel (406), a guide rod (419) is arranged on the screw (418), the guide rod (419) is connected to the rack (1) in a sliding mode, the worm gear box (405) is fixedly connected with the rack (1), an avoiding hole penetrating through the screw (418) is formed in the worm gear box (405), and the pressure plate (413) is arranged at the lower end of the screw (418).

5. The air tightness detection clamp of the water pump according to claim 4, characterized in that: the worm wheel (406) is provided with a threaded sleeve (409), the threaded sleeve (409) is embedded in the worm wheel (406) and detachably connected with the worm wheel (406), and the screw rod (418) is embedded in the threaded sleeve (409) and is in screw transmission with the threaded sleeve (409).

6. The air tightness detection clamp of the water pump according to claim 5, characterized in that: the screw rod (418) upper end is equipped with baffle (410), be equipped with first screw (411) on baffle (410), baffle (410) with screw rod (418) are connected through first screw (411), baffle (410) length direction's size is greater than the hole diameter of dodging of worm-gear case (405).

7. The air tightness detection clamp of the water pump according to claim 1, characterized in that: the length direction of setting element (2) perpendicular to water pump (7) axial direction, constant head tank (102) have been seted up in frame (1), setting element (2) inlay and locate constant head tank (102), follow frame (1) length direction has seted up a plurality of constant head tank (102), the output butt of water pump (7) in setting element (2).

8. The air tightness detection clamp of the water pump according to claim 6, characterized in that: the peripheral wall of the communicating block (401) is provided with a plurality of inverted wedge ring-shaped sealing rings (412), the sealing rings (412) are embedded in a liquid outlet (702) of the water pump, and the periphery of the sealing rings (412) is tightly propped against the inner wall of the liquid outlet (702).