CN213956681U

CN213956681U - Pulse oil pump gas tightness detection device

Info

Publication number: CN213956681U
Application number: CN202120223462.5U
Authority: CN
Inventors: 沈玉云
Original assignee: Yixing Xinyicheng Air Conditioning Equipment Co ltd
Current assignee: Yixing Xinyicheng Air Conditioning Equipment Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-08-13
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to the technical field of detection devices, in particular to a pulse oil pump air tightness detection device, which comprises a workbench, wherein a water storage tank and a detection module are arranged on the workbench, the top of the water storage tank is opened, water is filled in the water storage tank, and the detection module comprises a lifting assembly, a clamping assembly and a ventilation assembly; the lifting assembly comprises a first support frame arranged on the workbench, a first support plate horizontally arranged at the top end of the first support frame, a first air cylinder vertically arranged on the first support plate, and a placing frame connected with a telescopic rod of the first air cylinder; the telescopic rod of the first cylinder is downwards arranged and penetrates through the first supporting plate, the placing frame comprises a connecting plate, a first connecting rod and a placing plate, the connecting plate is connected with the telescopic rod of the first cylinder, the first connecting rod is connected with the lower surface of the connecting plate, the first connecting rod is connected with the bottom ends of the first connecting rod, the placing plate is connected with the bottom ends of the first connecting rod, and the placing plate is located inside the water storage tank. The utility model discloses have convenient to use, practice thrift the manpower, effect that detection efficiency is high.

Description

Pulse oil pump gas tightness detection device

Technical Field

The utility model belongs to the technical field of detection device's technique and specifically relates to a pulse oil pump gas tightness detection device is related to.

Background

The parking heater is an on-board heating device independent of the automobile engine, and has its own fuel piping, electric circuit, combustion heating device, control device, and the like. The parking heater can preheat and warm up an engine and a cab of an automobile parked in a low-temperature cold environment without starting the engine, thereby eliminating cold start abrasion of the automobile.

The parking heater is usually provided with a pulse oil pump, which is a micro metering pump capable of supplying oil to the heating device through pulse. The air tightness of the pulse oil pump is crucial to the parking heater, so the air tightness detection is required after the pulse oil pump is produced.

In the prior art, the air tightness detection of the pulse oil pump is completed through manual operation, and the specific operation is as follows: the oil inlet of the pulse oil pump is connected with the air pipe by a worker, then the pulse oil pump is put into water, and finally the pulse oil pump is ventilated through the air pipe; if the air bubbles are generated only at the oil outlet of the pulse oil pump and no air bubbles are generated at other positions, the air tightness of the pulse oil pump is good, and if the air bubbles are generated at other positions, the air tightness of the pulse oil pump is not good. Above-mentioned testing process not only consumes a large amount of manpowers, and the staff can only detect a pulse oil pump once operating moreover, and detection efficiency is also not high, so how to make things convenient for this problem of the gas tightness of detecting the pulse oil pump fast to await the solution.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a pulse oil pump gas tightness detection device, it has convenient to use, practices thrift the manpower, effect that detection efficiency is high.

The above technical effect of the utility model can be realized through following technical scheme:

a pulse oil pump air tightness detection device comprises a workbench, wherein a water storage tank and a detection module are arranged on the workbench, the top of the water storage tank is opened, water is filled in the water storage tank, and the detection module comprises a lifting assembly, a clamping assembly and a ventilation assembly;

the lifting assembly comprises a first support frame arranged on the workbench, a first support plate horizontally arranged at the top end of the first support frame, a first air cylinder vertically arranged on the first support plate, and a placing frame connected with a telescopic rod of the first air cylinder; the telescopic rod of the first air cylinder is downwards arranged and penetrates through the first supporting plate, the placing frame comprises a horizontally arranged connecting plate connected with the telescopic rod of the first air cylinder, two vertically arranged connecting rods I connected with the lower surface of the connecting plate, and a horizontally arranged placing plate connected with the bottom ends of the two connecting rods I together, and the placing plate is positioned inside the water storage tank;

the clamping assembly comprises a placing block arranged on the placing plate, a support frame II arranged on the placing plate, a cylinder II arranged on the support frame II and a pressing block connected with a telescopic rod of the cylinder II, the support frame II comprises two support rods vertically arranged on the placing plate and a support plate II connected with the top ends of the two support rods together, the two support rods are respectively positioned at two ends of the placing block in the length direction, the cylinder II is vertically arranged on the support plate II, the telescopic rod of the cylinder II downwards penetrates through the support plate II, the pressing block is arranged corresponding to the placing block, a plurality of clamping grooves with the same number are formed in the lower surface of the pressing block and the upper surface of the placing block, and the pressing block and the clamping grooves in the placing block are arranged in a one-to-one correspondence mode and used for clamping and fixing the pulse oil pump;

the ventilation assembly comprises four supporting seats arranged on the placing plate, two connecting rods II penetrating through the supporting seats, a supporting plate III connected with the two connecting rods II together, a cylinder III horizontally arranged on the supporting plate III, and a detection block connected with a telescopic rod of the cylinder III, wherein the connecting lines of the four supporting seats form a rectangle, each connecting rod II horizontally penetrates through the two supporting seats, the two connecting rods II are parallel to each other and vertical to the length direction of the placing block, the supporting plate III is vertically arranged at one end of the connecting rod II far away from the placing block, the telescopic rod of the cylinder III penetrates through the supporting plate III and faces the direction of the placing block, the detection block is positioned between the placing block and the supporting plate III, a plurality of ventilation channels are formed in the detection block, the top ends of the ventilation channels extend to the upper surface of the detection block, and the bottom ends of the ventilation channels extend to the vertical surface of the detection block close to the placing block, the number of the vent channels is the same as that of the clamping grooves on the placing block, bottom openings of the vent channels and the clamping grooves on the placing block are arranged in a one-to-one correspondence mode so that oil inlets of the pulse oil pump can be inserted, sealing rings are arranged at the bottom openings of the vent channels, vent pipes are connected to top openings of the vent channels, and the vent pipes are connected with air supply equipment.

By adopting the technical scheme, before detection, the telescopic rod of the first shortening cylinder is adjusted to vertically move the placing plate to the upper part of the water storage tank, the telescopic rod of the second shortening cylinder is adjusted to separate the pressing block from the placing block, then a plurality of pulse oil pumps to be detected are placed in the clamping grooves on the placing block, and the oil inlets of the pulse oil pumps face the detecting block, then the telescopic rod of the second extending cylinder is adjusted to press the pressing block onto the pulse oil pumps, the pressing block can clamp and fix the second oil pump by matching with the placing block, then the telescopic rod of the third extending cylinder is adjusted to move the detecting block towards the direction close to the pulse oil pumps until the oil inlets of the pulse oil pumps are inserted into the bottom openings of the ventilation pore passages and are attached to the sealing rings, and finally the telescopic rod of the first extending cylinder is adjusted to vertically move the placing plate downwards until the pulse oil pipes are completely submerged into the water storage tank, starting the air supply equipment to ventilate the pulse oil pipe, and observing the condition of bubbles in the water storage tank; if bubbles are only generated at the oil outlet of the pulse oil pump and no bubbles are generated at other positions, the air tightness of the pulse oil pump is good, and if bubbles are generated at other positions, the air tightness of the pulse oil pump is not good; to sum up, the utility model discloses have convenient to use, practice thrift manpower, effect that detection efficiency is high.

The present invention may be further configured in a preferred embodiment as: the upper surface of connecting plate is connected with the guide bar of two vertical settings, be provided with the guide cylinder of two vertical settings on the backup pad one, two the guide bar runs through backup pad one and inserts respectively in two guide cylinders, the inner wall laminating of guide bar and guide cylinder.

Through adopting above-mentioned technical scheme, the telescopic link that the guide bar and guide cylinder cooperation were used and can be guaranteed cylinder one moves along vertical direction to guarantee that the rack can follow vertical direction steady removal.

The present invention may be further configured in a preferred embodiment as: two bracing pieces run through compact heap length direction's both ends respectively.

Through adopting above-mentioned technical scheme, the bracing piece can carry out the direction of vertical direction to the compact heap to make the compact heap can follow vertical direction and stably remove.

The present invention may be further configured in a preferred embodiment as: and the two second connecting rods respectively penetrate through two ends of the detection block in the length direction.

Through adopting above-mentioned technical scheme, connecting rod two can carry out the direction of horizontal direction to detecting the piece to make and detect the piece and can follow the stable removal of horizontal direction.

The present invention may be further configured in a preferred embodiment as: the bottom surface of storage water tank is equipped with the outlet, the outlet interpolation is equipped with the drain pipe, be equipped with the valve on the drain pipe.

By adopting the technical scheme, after the detection is finished, the valve is opened, and water in the water storage tank can be drained away through the drain pipe, so that the operation is convenient.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the pulse oil pump is used, a worker only needs to place the pulse oil pump to be detected on the placing block, the operation is convenient, and the labor is saved;

2. can carry out the gas tightness to a plurality of pulse oil pumps simultaneously and detect, detection efficiency is high.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of an air-tightness detecting device for a pulse oil pump in the embodiment;

FIG. 2 is a schematic diagram of a structure for embodying a detection module in an embodiment;

FIG. 3 is a schematic structural diagram for showing a state that the compressing block and the placing block clamp the pulse oil pump;

FIG. 4 is a schematic structural diagram of a detection block in the embodiment;

fig. 5 is a schematic view of a structure for embodying the vent hole.

In the figure, 1, a workbench; 2. a water storage tank; 3. a first support frame; 4. a first support plate; 5. a first cylinder; 6. placing a rack; 61. a connecting plate; 62. a first connecting rod; 63. placing the plate; 7. placing the blocks; 8. a second support frame; 81. a support bar; 82. a second support plate; 9. a second air cylinder; 10. a compression block; 11. a supporting seat; 12. a second connecting rod; 13. a third support plate; 14. a third air cylinder; 15. a detection block; 16. a vent passage; 17. a seal ring; 18. a breather pipe; 19. a guide bar; 20. and a guide cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-5, for the utility model discloses a pulse oil pump gas tightness detection device, including workstation 1, be equipped with storage water tank 2 and detection module on workstation 1. The top opening of storage water tank 2, the inside water that is equipped with of storage water tank 2, detection module include lifting unit, centre gripping subassembly and the subassembly of ventilating.

The lifting assembly comprises a support frame arranged on the workbench 1, a support plate I4 horizontally arranged at the top end of the support frame, a cylinder I5 vertically arranged on the support plate I4, and a placing frame 6 connected with an expansion link of the cylinder I5. The telescopic rod of the first air cylinder 5 is arranged downwards and penetrates through the first support plate 4; the placing frame 6 comprises a horizontally arranged connecting plate 61 connected with an expansion link of the cylinder I5, two vertically arranged connecting rods I62 connected with the lower surface of the connecting plate 61, and a horizontally arranged placing plate 63 connected with the bottom ends of the two connecting rods I62; the two first connecting rods 62 are respectively connected with two ends of the connecting plate 61 in the length direction, and the placing plate 63 is positioned inside the water storage tank 2.

The clamping assembly comprises a placing block 7 arranged on the placing plate 63, a placing frame 6 arranged on the placing plate 63, a second air cylinder 9 arranged on the placing frame 6, and a pressing block 10 connected with an expansion link of the second air cylinder 9. The placing frame 6 comprises two supporting rods 81 vertically arranged on the placing plate 63 and a second supporting plate 82 connected with the top ends of the two supporting rods 81. The two support rods 81 are respectively positioned at two ends of the placing block 7 in the length direction, the second cylinder 9 is vertically arranged on the second support plate 82, and the telescopic rod of the second cylinder 9 penetrates through the second support plate 82 downwards. The compressing block 10 corresponds to the placing block 7, a plurality of clamping grooves with the same number are formed in the lower surface of the compressing block 10 and the upper surface of the placing block 7, and the compressing block 10 corresponds to the clamping grooves in the placing block 7 one by one and is used for clamping and fixing the pulse oil pump.

The ventilation assembly comprises four supporting seats 11 arranged on the placing plate 63, two connecting rods two 12 penetrating the supporting seats 11, a supporting plate three 13 connected with the two connecting rods two 12, a cylinder three 14 horizontally arranged on the supporting plate three 13, and a detection block 15 connected with a telescopic rod of the cylinder three 14. The connecting lines of the four supporting seats 11 form a rectangle, each connecting rod two 12 horizontally penetrates through the two supporting seats 11, and the two connecting rods two 12 are parallel to each other and are vertical to the length direction of the placing block 7. The vertical setting of three 13 backup pads is kept away from the one end of placing piece 7 at two 12 connecting rods, and the telescopic link of three 14 cylinders runs through three 13 backup pads and is towards the direction of placing piece 7, detects piece 15 and is located to place between piece 7 and the three 13 backup pads, has seted up a plurality of ventholes 16 on detecting piece 15, and venthole 16 is "L" type, and the top of venthole 16 extends to the upper surface that detects piece 15, and the bottom extends to detect piece 15 and is close to the vertical face of placing piece 7. The number of the vent channels 16 is the same as that of the clamping grooves on the placing block 7, and the bottom openings of the vent channels 16 are arranged in one-to-one correspondence with the clamping grooves on the placing block 7 so as to insert oil inlets of the pulse oil pump. A sealing ring 17 is arranged at the bottom opening of the vent hole 16, a vent pipe 18 is connected at the top opening of the vent hole 16, and the vent pipe 18 is connected with a gas supply device (not shown in the figure).

Before the pulse oil pump is subjected to air tightness detection, the telescopic rod of the shortening cylinder I5 is adjusted firstly, the placing plate 63 is enabled to vertically move to the upper portion of the water storage tank 2, then the telescopic rod of the shortening cylinder II 9 is adjusted, the pressing block 10 is separated from the placing block 7, then a plurality of pulse oil pumps to be detected are placed in the clamping groove on the placing block 7, the oil inlet of each pulse oil pump faces towards the detection block 15, then the telescopic rod of the extending cylinder II 9 is adjusted, the pressing block 10 is pressed onto the pulse oil pumps, the second oil pump can be clamped and fixed by the pressing block 10 in a matching mode with the placing block 7, then the telescopic rod of the extending cylinder III 14 is adjusted, the detection block 15 is enabled to move towards the direction close to the pulse oil pumps until the oil inlet of the pulse oil pumps is inserted into the bottom opening of the ventilation duct 16 and attached to the sealing ring 17, and finally the telescopic rod of, until the pulse oil pipe is completely immersed in the water storage tank 2, starting the air supply device to ventilate the pulse oil pipe, and observing the condition of bubbles in the water storage tank 2; if bubbles are only generated at the oil outlet of the pulse oil pump and no bubbles are generated at other positions, the air tightness of the pulse oil pump is good, and if bubbles are generated at other positions, the air tightness of the pulse oil pump is not good; to sum up, at the in-process that uses this pulse oil pump gas tightness detection device, the staff only need will treat the pulse oil pump of inspection and place on placing piece 7, and operate at every turn and can detect a plurality of pulse oil pumps simultaneously, consequently have convenient to use, practice thrift manpower, effect that detection efficiency is high.

The upper surface of connecting plate 61 is connected with two guide bars 19 of vertical setting, and two guide bars 19 are located the both ends of connecting plate 61 length direction respectively, are provided with two guide cylinder 20 of vertical setting on the backup pad 4, and two guide bars 19 run through backup pad 4 and insert respectively two guide cylinder 20 in, and guide bar 19 and the inner wall laminating of guide cylinder 20. The guide rod 19 is matched with the guide cylinder 20 for use, so that the telescopic rod of the first air cylinder 5 can be moved along the vertical direction, and the placing frame 6 can be stably moved along the vertical direction.

The two support rods 81 respectively penetrate through two ends of the compressing block 10 in the length direction. The support rod 81 can guide the pressing block 10 in the vertical direction, so that the pressing block 10 can stably move in the vertical direction.

The two second connecting rods 12 respectively penetrate through two ends of the detection block 15 in the length direction. The second connecting rod 12 can guide the detection block 15 in the horizontal direction, so that the detection block 15 can stably move in the horizontal direction.

The bottom surface of the water storage tank 2 is provided with a water outlet (not shown in the figure), a water drain pipe (not shown in the figure) is inserted into the water outlet, the water drain pipe penetrates through the workbench 1 and extends to the lower part of the workbench 1, and a valve (not shown in the figure) is arranged on the water drain pipe. After the detection is finished, the valve is opened, and water in the water storage tank 2 can be drained through the drain pipe, so that the operation is convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: 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 a pulse oil pump gas tightness detection device, includes workstation (1), its characterized in that: the workbench (1) is provided with a water storage tank (2) and a detection module, the top of the water storage tank (2) is opened, water is filled in the water storage tank (2), and the detection module comprises a lifting assembly, a clamping assembly and a ventilation assembly;

the lifting assembly comprises a first support frame (3) arranged on the workbench (1), a first support plate (4) horizontally arranged at the top end of the first support frame (3), a first air cylinder (5) vertically arranged on the first support plate (4), and a placing frame (6) connected with an expansion link of the first air cylinder (5); the telescopic rod of the first cylinder (5) is arranged downwards and penetrates through the first support plate (4), the placing frame (6) comprises a horizontally arranged connecting plate (61) connected with the telescopic rod of the first cylinder (5), two vertically arranged connecting rods (62) connected with the lower surface of the connecting plate (61), and a horizontally arranged placing plate (63) connected with the bottom ends of the two connecting rods (62) together, and the placing plate (63) is located inside the water storage tank (2);

the clamping assembly comprises a placing block (7) arranged on the placing plate (63), a second support frame (8) arranged on the placing plate (63), a second air cylinder (9) arranged on the second support frame (8), and a pressing block (10) connected with an expansion link of the second air cylinder (9), wherein the second support frame (8) comprises two support rods (81) vertically arranged on the placing plate (63) and a second support plate (82) connected with the top ends of the two support rods (81), the two support rods (81) are respectively positioned at two ends of the placing block (7) in the length direction, the second air cylinder (9) is vertically arranged on the second support plate (82), the expansion link of the second air cylinder (9) downwards penetrates through the second support plate (82), the pressing block (10) and the placing block (7) are correspondingly arranged, and a plurality of clamping grooves with the same number are formed in the lower surface of the pressing block (10) and the upper surface of the placing block (7), the pressing blocks (10) are arranged in one-to-one correspondence with the clamping grooves on the placing block (7) and used for clamping and fixing the pulse oil pump;

the ventilating assembly comprises four supporting seats (11) arranged on a placing plate (63), two connecting rods II (12) penetrating through the supporting seats (11), a supporting plate III (13) connected with the two connecting rods II (12) together, a cylinder III (14) horizontally arranged on the supporting plate III (13), and a detecting block (15) connected with a telescopic rod of the cylinder III (14), wherein connecting lines of the four supporting seats (11) form a rectangle, each connecting rod II (12) horizontally penetrates through the two supporting seats (11), the two connecting rods II (12) are parallel to each other and are vertical to the length direction of the placing block (7), the supporting plate III (13) is vertically arranged at one end, far away from the placing block (7), of the connecting rod II (12), the telescopic rod of the cylinder III (14) penetrates through the supporting plate III (13) and faces the direction of the placing block (7), the detecting block (15) is positioned between the placing block (7) and the supporting plate III (13), the pulse oil pump is characterized in that a plurality of vent channels (16) are formed in the detection block (15), the top ends of the vent channels (16) extend to the upper surface of the detection block (15), the bottom ends of the vent channels extend to the vertical surface, close to the placement block (7), of the detection block (15), the number of the vent channels (16) is the same as the number of clamping grooves in the placement block (7), bottom openings of the vent channels (16) are arranged in one-to-one correspondence with the clamping grooves in the placement block (7) so as to enable oil inlets of the pulse oil pump to be inserted, sealing rings (17) are arranged at bottom openings of the vent channels (16), vent pipes (18) are connected to top openings of the vent channels (16), and the vent pipes (18) are connected with air supply equipment.

2. The pulse oil pump airtightness detection apparatus according to claim 1, wherein: the upper surface of connecting plate (61) is connected with guide bar (19) of two vertical settings, be provided with guide cylinder (20) of two vertical settings on backup pad (4), two guide bar (19) run through backup pad (4) and insert respectively in two guide cylinder (20), the inner wall laminating of guide bar (19) and guide cylinder (20).

3. The pulse oil pump airtightness detection apparatus according to claim 1, wherein: the two support rods (81) penetrate through two ends of the compressing block (10) in the length direction respectively.

4. The pulse oil pump airtightness detection apparatus according to claim 1, wherein: the two second connecting rods (12) respectively penetrate through two ends of the detection block (15) in the length direction.

5. The pulse oil pump airtightness detection apparatus according to claim 1, wherein: the bottom surface of storage water tank (2) is equipped with the outlet, the outlet interpolation is equipped with the drain pipe, be equipped with the valve on the drain pipe.