CN215719417U

CN215719417U - Air tightness measuring instrument for engine cooling water pump assembly

Info

Publication number: CN215719417U
Application number: CN202121562933.1U
Authority: CN
Inventors: 王登华; 闫沛; 王建国; 蒋忠立
Original assignee: Liaocheng Shanhuannei Power Distribution Machinery Co ltd
Current assignee: Liaocheng Shanhuannei Power Distribution Machinery Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2022-02-01
Anticipated expiration: 2031-07-10

Abstract

The utility model discloses an air tightness measuring instrument for an engine cooling water pump assembly, which comprises a detection mechanism, wherein the detection mechanism is arranged in the measuring instrument, the detection mechanism comprises two L-shaped blocks and a supporting plate, and two stabilizing rods are fixed at the bottoms of the two L-shaped blocks, so that the air tightness measuring instrument has the following beneficial effects that: the inserting holes of the two L-shaped blocks are respectively inserted into the two bolts on the two sides of the supporting slot, the bolts are screwed through the nuts of the bolts, the two L-shaped blocks are well installed in a limiting mode, when the two L-shaped blocks are inserted, the two stabilizer bars at the bottoms of the two L-shaped blocks are respectively inserted into the inner walls of the L-shaped plates on the two sides, supporting during detection is carried out, the problem that the sealing pipes are inclined due to downward pressure and air leakage is generated during detection is solved, then the two ends of the supporting plate are inserted into the lug grooves of the two L-shaped blocks, the positions of the two sealing pipes are perpendicular to the position of the bottom of the detection pipe through the clamping of the clamping block and the clamping groove, and the problem that whether air leakage exists in the air pipe or not can be conveniently detected through the air pipe detection device.

Description

Air tightness measuring instrument for engine cooling water pump assembly

Technical Field

The utility model relates to an air tightness measuring instrument for an engine cooling water pump assembly, and belongs to the technical field of cooling water pump measuring equipment.

Background

When a water inlet groove and a water outlet groove are cut on the cooling water pump of some engines, the cooling water pump is processed and formed in a die-casting mode, and after die-casting, the air tightness of a hole groove needs to be detected through an air tightness measuring instrument;

the air tightness measuring instrument is inserted into the inlet and outlet slotted holes of the water pump through the detection pipe connected with the bottom of the air pipe, and whether the air pipe leaks air or not is the most important key for detecting air tightness in the detection process of the whole instrument.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air tightness measuring instrument for an engine cooling water pump assembly, which is used for solving the problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an air tightness measuring instrument for an engine cooling water pump assembly, which comprises a detection mechanism, wherein the detection mechanism is arranged in the measuring instrument, the detection mechanism comprises two L-shaped blocks and a supporting plate, two stabilizing bars are fixed at the bottoms of the two L-shaped blocks, two jacks are formed in the inner wall of one end, close to the two L-shaped blocks, of each L-shaped block, ear grooves are formed in the top ends, close to the side walls, of the two L-shaped blocks, two clamping grooves are formed in the bottom ends of the inner walls of the two ear grooves, two clamping blocks are fixed at the bottoms of the hangers at the two ends of the supporting plate, sealing tubes are fixed at the tops of the two supporting plates, sealing sleeves are fixed inside the two sealing tubes, the measuring apparatu includes the base, the base top is fixed with the support slot, the base is located the both sides of support slot and all cuts L template, the both ends of support slot rear surface all are fixed with two bolts.

Preferably, a hydraulic rod is fixed to the top end of the inner wall of the support slot, the output end of the hydraulic rod is fixed to the top of the pressing plate, and the pressing plate is connected with the side wall, close to one end of the support slot, of the support slot in a sliding mode.

Preferably, the two ends of the pressing plate, which are located on the hydraulic rod, are fixedly provided with detection tubes in a penetrating manner, the inner walls of the tops of the detection tubes are fixedly connected with the outer wall of the bottom of the air pipe, and the tops of the air pipe penetrate through the tops of the supporting slots and then are connected with the air pump.

Preferably, the two L-shaped blocks are communicated with the two bolts on two sides of the supporting slot in an inserting mode through the inserting holes.

Preferably, the two ends of the supporting plate are connected with the L-shaped blocks on the two sides through the lug grooves in an alternating mode, the supporting plate is clamped with the clamping grooves in the two lug grooves through the two clamping blocks on the two sides of the bottom of the supporting plate, the inner diameter of the sealing sleeves is equal to the outer diameter of the pressing plates, and the inner walls of the sealing sleeves are in contact with the outer walls of the two pressing plates in an alternating mode.

Preferably, the two stabilizer bars at the tops of the two L-shaped blocks are respectively inserted into the two supporting slots and are in contact with the bottom ends of the inner walls of the two supporting slots.

The utility model has the following beneficial effects: the inserting holes of the two L-shaped blocks are respectively inserted into the two bolts on the two sides of the supporting slot, the bolts are screwed through the nuts of the bolts, the two L-shaped blocks are well installed in a limiting mode, when the two L-shaped blocks are inserted, the two stabilizer bars at the bottoms of the two L-shaped blocks are respectively inserted into the inner walls of the L-shaped plates on the two sides, supporting during detection is carried out, the problem that the sealing pipes are inclined due to downward pressure and air leakage is generated during detection is solved, then the two ends of the supporting plate are inserted into the lug grooves of the two L-shaped blocks, the positions of the two sealing pipes are perpendicular to the position of the bottom of the detection pipe through the clamping of the clamping block and the clamping groove, and the problem that whether air leakage exists in the air pipe or not can be conveniently detected through the air pipe detection device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of a disassembled structure of the detection mechanism of the present invention;

fig. 3 is a schematic structural diagram of the measuring instrument of the present invention.

In the figure: 1. a measuring instrument; 11. a base; 12. an L-shaped plate; 13. a support slot; 14. a hydraulic lever; 15. pressing a plate; 16. a detection tube; 17. an air tube; 18. a bolt; 2. a detection mechanism; 21. an L-shaped block; 22. a jack; 23. an ear canal; 24. a card slot; 25. a stabilizer bar; 26. a support plate; 27. a sealing tube; 28. sealing sleeves; 29. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-3, an air tightness measuring instrument for an engine cooling water pump assembly comprises a detection mechanism 2, the detection mechanism 2 is arranged inside the measuring instrument 1, the detection mechanism 2 comprises two L-shaped blocks 21 and a support plate 26, two stabilizer bars 25 are fixed at the bottoms of the two L-shaped blocks 21, two insertion holes 22 are cut on the inner wall of one end of each of the two L-shaped blocks 21, two lug grooves 23 are cut on the top ends of the side walls of the two L-shaped blocks 21, two clamping grooves 24 are cut on the bottom ends of the inner walls of the two lug grooves 23, two clamping blocks 29 are fixed at the bottoms of lug hanging plates at the two ends of the support plate 26, sealing tubes 27 are fixed at the tops of the two support plates 26, sealing sleeves 28 are fixed inside the two sealing tubes 27, the measuring instrument 1 comprises a base 11, a support slot 13 is fixed at the top of the base 11, L12 are cut on the two sides of the base 11 located at the support slot 13, two bolts 18 are fixed to both ends of the rear surface of the support slot 13.

The top end of the inner wall of the supporting slot 13 is fixed with a hydraulic rod 14, the output end of the hydraulic rod 14 is fixed with the top of a pressing plate 15, the pressing plate 15 and the supporting slot 13 are connected with one end close to the side wall in a sliding mode, and stability of the pressing plate 15 in descending is improved.

The both ends that clamp plate 15 is located hydraulic stem 14 all run through and are fixed with detecting tube 16, the inner wall at two detecting tube 16 tops all with the outer wall fixed connection of trachea 17 bottom, the top of two trachea 17 all passes and is connected with the air pump behind the top of supporting slot 13, conveniently ventilates.

Two L type pieces 21 all alternate through two bolts 18 of jack 22 and support slot 13 both sides and communicate with each other, conveniently carry out preliminary restriction to the position of two L type pieces 21, make things convenient for the later stage to the gas tightness detection of trachea 17.

The both ends of backup pad 26 are passed through ear groove 23 and are penetrated and connect with the L type piece 21 of both sides, backup pad 26 passes through two fixture blocks 29 of bottom both sides respectively with the draw-in groove 24 joint in two ear grooves 23, and the internal diameter size of two seal covers 28 all equals the external diameter size of clamp plate 15, the inner wall of two seal covers 28 contacts with the outer wall interlude of two clamp plates 15 respectively, make things convenient for detection mechanism 2 to install on measuring apparatu 1, and hydraulic stem 14 drives the decline of two test tubes 16 and trachea 17, make the bottom of test tube 16 can be accurate inside inserting two seal covers 28, carry out the detection achievement to trachea 17 gas tightness.

Two stabilizer bars 25 at the top of two L type pieces 21 are inserted respectively and are located inside two support slots 13, and contact with its inner wall bottom, when two detection pipes 16 bottom are pressed into inside seal cover 28, can produce pressure to push down and drive backup pad 26 and two L type pieces 21, insert through stabilizer bar 25 and support in the support slot 13, can make the high position of two sealed pipes 27 on the backup pad 26 keep unchangeable, avoid the angle slope, influence detection effect.

Specifically, when the utility model is used, the insertion holes 22 of the two L-shaped blocks 21 are respectively inserted into the two bolts 18 at the two sides of the supporting slot 13, and are screwed by the nuts of the bolts 18 to limit the two L-shaped blocks 21 after being installed, when the utility model is inserted, the two stabilizer bars 25 at the bottoms of the two L-shaped blocks 21 are respectively inserted into the inner walls of the L-shaped plates 12 at the two sides to support during detection, so that the problem that the sealing pipe 27 is inclined and leaks air due to downward pressure is avoided, then the two ends of the supporting plate 26 are inserted into the ear grooves 23 of the two L-shaped blocks 21, and the positions of the two sealing pipes 27 are perpendicular to the position at the bottom of the detection pipe 16 through the clamping of the fixture block 29 and the clamping groove 24, so that the utility model is convenient to install; the hydraulic rod 14 presses the pressing plate 15 to descend, so that the detection tube 16 is inserted into the sealing sleeve 28 in the sealing tube 27, through the work of the air pump, the air tube 17 exhausts air into the sealing sleeve 28 through the detection tube 16, the stable sealing sleeve 28 blocks the air outlet position at the bottom of the detection tube 16, at the moment, whether a certain value of an air pressure value displayed by a display screen on the measuring instrument 1 is changed or not can be observed, whether the air leakage phenomenon occurs in the detection tube 16 or not can be observed, therefore, the detection tube 16 needs to be replaced when the determination is made according to the data change, and the better detection effect of the air tightness of the engine cooling water pump assembly is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The air tightness measuring instrument for the engine cooling water pump assembly is characterized by comprising a detecting mechanism (2), wherein the detecting mechanism (2) is arranged in the measuring instrument (1), the detecting mechanism (2) comprises two L-shaped blocks (21) and a supporting plate (26), two stabilizing rods (25) are fixed at the bottoms of the L-shaped blocks (21), two inserting holes (22) are formed in the inner wall, close to one end, of each L-shaped block (21), two lug grooves (23) are formed in the top ends, close to the side wall, of the two L-shaped blocks (21), two clamping grooves (24) are formed in the bottom ends of the inner walls of the two lug grooves (23), two clamping blocks (29) are fixed at the bottoms of lugs at the two ends of the supporting plate (26), a sealing pipe (27) is fixed at the top of the supporting plate (26), and a sealing sleeve (28) is fixed in the sealing pipe (27), the measuring instrument (1) comprises a base (11), a supporting slot (13) is fixed to the top of the base (11), L-shaped plates (12) are arranged on two sides, located in the supporting slot (13), of the base (11) in a chiseled mode, and two bolts (18) are fixed to two ends of the rear surface of the supporting slot (13).

2. The air tightness measuring instrument for the engine cooling water pump assembly according to claim 1, wherein a hydraulic rod (14) is fixed to the top end of the inner wall of the supporting slot (13), the output end of the hydraulic rod (14) is fixed to the top of a pressing plate (15), and the pressing plate (15) is slidably connected with the side wall of the supporting slot (13) close to one end.

3. The air tightness measuring instrument for the engine cooling water pump assembly according to claim 2, wherein the pressure plate (15) is provided with a detection tube (16) at each end of the hydraulic rod (14), the inner walls of the tops of the two detection tubes (16) are fixedly connected with the outer wall of the bottom of the air tube (17), and the tops of the two air tubes (17) are connected with the air pump after penetrating through the tops of the supporting slots (13).

4. The air tightness measuring instrument for the engine cooling water pump assembly according to claim 1, wherein both of the L-shaped blocks (21) are in penetrating communication with the two bolts (18) at both sides of the supporting slot (13) through the insertion holes (22).

5. The air tightness measuring instrument for the engine cooling water pump assembly as claimed in claim 1, wherein two ends of the support plate (26) are inserted and connected with the L-shaped blocks (21) at two sides through lug grooves (23), the support plate (26) is respectively clamped and connected with clamping grooves (24) in the two lug grooves (23) through two clamping blocks (29) at two sides of the bottom, the inner diameter of the two sealing sleeves (28) is equal to the outer diameter of the pressure plate (15), and the inner walls of the two sealing sleeves (28) are respectively inserted and contacted with the outer walls of the two pressure plates (15).

6. The air tightness measuring instrument for the engine cooling water pump assembly according to claim 1, wherein two stabilizer bars (25) at the top of two L-shaped blocks (21) are respectively inserted into two supporting slots (13) and contact with the bottom ends of the inner walls thereof.