CN215725645U

CN215725645U - Verticality measuring gauge for compressor shaft sleeve

Info

Publication number: CN215725645U
Application number: CN202122144351.8U
Authority: CN
Inventors: 张礼滨
Original assignee: Shanghai Yitong Auto Parts Co ltd
Current assignee: Shanghai Yitong Auto Parts Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-01
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a verticality measuring gauge for a compressor shaft sleeve, which comprises a mounting frame, a checking seat and a detecting pin, wherein the checking seat is arranged on the mounting frame, the top of the checking seat is provided with an inward-recessed positioning groove, the shaft sleeve is placed in the positioning groove, the inner wall surface of the positioning groove is provided with two opposite abutting surfaces, the two abutting surfaces are respectively used for abutting against two side planes of the shaft sleeve in a fitting manner, a through hole penetrating through the checking seat from left to right is formed in the checking seat, the through hole is communicated with the positioning groove, and the detecting pin is inserted into the through hole and is used for penetrating through a transverse hole of the shaft sleeve. Through examining the seat and can realizing accurate positioning to the axle sleeve, insert the cross bore that the through-hole and whether can run through the axle sleeve through detecting the round pin, can examine fast effectively whether the both sides plane on the axle sleeve is mutually perpendicular with the cross bore of axle sleeve to whether the detection straightness that hangs down accords with the dimensional requirement, the inspection process operation is very simple, swift, and measurement accuracy is high.

Description

Verticality measuring gauge for compressor shaft sleeve

Technical Field

The utility model relates to a verticality measuring gauge for a compressor shaft sleeve.

Background

The automobile air-conditioning compressor is a heart part of an automobile air-conditioning system, a shaft sleeve on the automobile air-conditioning compressor is a core part inside the compressor, and the shaft sleeve is arranged on the outer side of a main shaft and connected to a swash plate and used for sliding on the main shaft when the compressor runs to drive the swash plate to complete piston stroke change and finally enable the displacement to change.

The specific structure of the shaft sleeve in the prior art is shown in fig. 1 and fig. 2, the shaft sleeve is a columnar part with a hollow middle, the hole diameter L1 of the middle hole 1 is phi 16, two sides of the part are respectively provided with a plane, the distance L2 between the planes at the two sides is 25.955-26.035, the shaft sleeve is divided into 4 gears a-D, the gear a is 25.955< L2<25.975, the gear B is 25.975< L2<25.995, the gear C is 25.995< L2<26.015, and the gear D is 26.015< L2< 26.035; the part is also provided with a transverse hole 2, and the inner diameter L3 of the transverse hole 2 is phi 7, is vertical to the planes at two sides and penetrates through the middle hole 1 of phi 16.

The shaft sleeve verticality detection is needed when the transverse hole 2 is perpendicular to planes on two sides, and the detection operation is very complicated by measuring the shaft sleeve verticality by adopting three coordinates at present. Meanwhile, due to the fact that three-coordinate measurement is used, the frequency inspection frequency is one piece per day, efficiency is low, and the out-of-plumb degree cannot be found in time in the production process, so that batch scrapping is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a verticality measuring gauge for a compressor shaft sleeve.

The utility model is realized by the following technical scheme:

the utility model provides an utensil is examined in straightness that hangs down for compressor shaft sleeve, its includes the mounting bracket, examines the seat and detects the round pin, examine the seat set up in on the mounting bracket, the top of examining the seat has inside sunken constant head tank, be used for placing the axle sleeve in the constant head tank, the internal face of constant head tank has relative two and supports the face, two support to lean on the face and be used for the laminating respectively and support and lean on in the both sides plane of axle sleeve, examine have on the seat from the left hand right hand side run through in examine the perforation of seat, perforate with the constant head tank is linked together, it inserts to detect the round pin in the perforation and be used for running through the cross bore of axle sleeve.

Further, examine the seat including first combination piece and second combination piece, the one end of first combination piece connect in the mounting bracket, the other end of first combination piece connect in second combination piece, just the other end of first combination piece with be formed with between the second combination piece the constant head tank, first through-hole has in the first combination piece, second through-hole has in the second combination piece, first through-hole with the second through-hole all with the constant head tank is linked together, just first through-hole with the second through-hole is located same straight line and is formed with the perforation.

Furthermore, the first combination block and the second combination block are connected with each other through a plurality of screws.

Furthermore, examine the seat and still include the gag lever post, the gag lever post is located the below of constant head tank and is used for supporting the axle sleeve that is located in the constant head tank.

Further, the detection pin comprises a plug pin body and a handle, the plug pin body is inserted into the through hole, and the handle is connected to the end of the plug pin body and located outside the detection seat.

Further, examine the seat with the quantity that detects the round pin is four, four examine the seat all connect in on the mounting bracket.

Further, the mounting frame comprises a mounting base plate and a vertical plate, the mounting base plate is provided with a fixing hole, the bottom of the vertical plate is connected to the mounting base plate, and the detection seat is connected to the top of the vertical plate.

The utility model has the beneficial effects that: through examining the seat and can realizing accurate positioning to the axle sleeve, insert the cross bore that the through-hole and whether can run through the axle sleeve through detecting the round pin, can examine fast effectively whether the both sides plane on the axle sleeve is mutually perpendicular with the cross bore of axle sleeve to whether the detection straightness that hangs down accords with the dimensional requirement, the inspection process operation is very simple, swift, and measurement accuracy is high.

Drawings

Fig. 1 is a schematic structural diagram of a prior art bushing.

Fig. 2 is a schematic sectional view along a-a of fig. 1.

Fig. 3 is a front view structural schematic diagram of the perpendicularity measurement gauge for the compressor shaft sleeve according to the embodiment of the utility model.

Fig. 4 is a schematic top view structural diagram of the perpendicularity measurement gauge for the compressor shaft sleeve according to the embodiment of the utility model.

Fig. 5 is a schematic structural diagram of the first combination block and the second combination block according to the embodiment of the present invention.

Fig. 6 is a schematic sectional view along a-a of fig. 5.

Description of reference numerals:

mounting frame 1

Mounting baseplate 11

Fixing hole 111

Vertical plate 12

Examine seat 2

Positioning groove 21

Through-hole 22

First combination block 23

First through hole 231

Second combined block 24

Second via 241

Stop lever 25

Screw 26

Detection pin 3

Pin body 31

Handle 32

Shaft sleeve 10

Detailed Description

The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the utility model may be practiced.

As shown in fig. 3, fig. 4, fig. 5 and fig. 6, this embodiment discloses a perpendicularity measurement detection tool for compressor shaft sleeves, this perpendicularity measurement detection tool for compressor shaft sleeves includes mounting bracket 1, detect seat 2 and detection pin 3, detect seat 2 and set up on mounting bracket 1, the top of detecting seat 2 has inside sunken constant head tank 21, be used for placing shaft sleeve 10 in the constant head tank 21, the internal face of constant head tank 21 has two relative abutting faces, two abutting faces are used for laminating respectively and abut against in the both sides plane of shaft sleeve 10, it runs through in the perforation 22 of detecting seat 2 from the left to the right to have on detecting seat 2, perforation 22 is linked together with constant head tank 21, detection pin 3 inserts in perforation 22 and is used for running through the cross bore of shaft sleeve 10.

Two of perforation 22 on examining seat 2 extend direction and constant head tank 21 support to face mutually perpendicular, support to face through constant head tank 21 and laminate respectively and support to support in the both sides plane of axle sleeve 10 to can realize the accurate positioning to axle sleeve 10 through examining seat 2. The detection pin 3 is used for being inserted into the through hole 22, if the detection pin 3 can penetrate through the transverse hole of the shaft sleeve 10, the two side planes on the shaft sleeve 10 are perpendicular to the transverse hole of the shaft sleeve 10; if the detection pin 3 can not be inserted into and penetrates through the transverse hole of the shaft sleeve 10, it indicates that the planes on the two sides of the shaft sleeve 10 are not perpendicular to the transverse hole of the shaft sleeve 10; whether can run through the cross bore of axle sleeve 10 through detecting round pin 3 for can inspect the both sides plane on the axle sleeve 10 fast effectively and whether mutually perpendicular with the cross bore of axle sleeve 10, thereby whether detect the straightness that hangs down and accord with the size requirement, the inspection process operation is very simple, swift, and measurement accuracy is high.

In this embodiment, examine seat 2 and the quantity that detects round pin 3 and be four, four examine seat 2 all to connect on mounting bracket 1. The positioning grooves 21 in the four detection seats 2 are different in size, and the four positioning grooves 21 correspond to the A-D gears of the sizes between the planes of the two sides of the shaft sleeve 10 to be detected respectively, so that the detection of the shaft sleeve 10 with different gears by the perpendicularity measurement detection tool for the shaft sleeve of the compressor can be realized.

Wherein, two in the constant head tank 21 support to face size and the both sides plane size phase-match of axle sleeve 10, examine under the condition of seat 2 and axle sleeve 10 laminating guaranteeing to guarantee that measurement accuracy benchmark and drawing will be unified. The detection pin 3 can be inserted into the through hole 22 in the detection seat 2, and the detection pin 3 can be completely inserted into the through hole 22 and the cross hole of the through hole 22 to judge whether the shaft sleeve 10 meets the drawing requirements, if the detection pin can be normally inserted, the size meets the drawing requirements, and if the detection pin can not be normally inserted, the shaft sleeve 10 is judged to be an unqualified part. Whether the perpendicularity of the shaft sleeve meets the size requirement can be quickly and effectively checked only by detecting the pin 3 and the detecting seat 2, the operation of the checking process is very simple and quick, and the measuring accuracy is high.

The mounting rack 1 comprises a mounting base plate 11 and a vertical plate 12, the mounting base plate 11 is provided with a fixing hole 111, the bottom of the vertical plate 12 is connected to the mounting base plate 11, and the detecting seat 2 is connected to the top of the vertical plate 12. Four examine seat 2 and all install and connect in the top of riser 12, and mounting plate 11 can be fixed on table surface through fixed orifices 111, and the installation is fixed very convenient.

In this embodiment, the examining seat 2 includes a first combination block 23 and a second combination block 24, one end of the first combination block 23 is connected to the mounting frame 1, the other end of the first combination block 23 is connected to the second combination block 24, a positioning groove 21 is formed between the other end of the first combination block 23 and the second combination block 24, a first through hole 231 is provided in the first combination block 23, a second through hole 241 is provided in the second combination block 24, the first through hole 231 and the second through hole 241 are both communicated with the positioning groove 21, and the first through hole 231 and the second through hole 241 are located on the same straight line and are provided with a through hole 22. The other end of the first combination block 23 is provided with a groove, and the groove is connected with the second combination block 24 through the first combination block 23, so that a positioning groove 21 for positioning and placing the shaft sleeve 10 is formed in the space of the groove. Through set up first through-hole 231 and second through-hole 241 respectively at first combination piece 23 and second combination piece 24 for first through-hole 231 and second through-hole 241 are linked together and form perforation 22 with constant head tank 21, make and examine seat 2 simple structure, and the processing preparation is very convenient, and the equipment is convenient, and the equipment precision is high.

The first combination block 23 and the second combination block 24 are connected to each other by a plurality of screws 26. The first combination block 23 is mounted and connected on the vertical plate 12, the first combination block 23 and the second combination block 24 are connected through the screw 26, the mounting and the connection are very convenient, the precision requirements of the positioning groove 21 and the through hole 22 are met, and the verticality measuring gauge for the compressor shaft sleeve is more stable.

The checking seat 2 further comprises a limiting rod 25, and the limiting rod 25 is located below the positioning groove 21 and is used for supporting the shaft sleeve 10 located in the positioning groove 21. The limiting rods 25 are arranged at the lower parts of the first combination block 23 and the second combination block 24, so that the measurement height of the shaft sleeve 10 after being placed in the positioning groove 21 is effectively guaranteed, and the positioning groove 21 is prevented from falling out of the detection seat 2. Meanwhile, the detection precision of the perpendicularity measurement detection tool for the compressor shaft sleeve is higher.

The detection pin 3 comprises a plug pin body 31 and a handle 32, the plug pin body 31 is inserted into the through hole 22, and the handle 32 is connected to the end of the plug pin body 31 and is located outside the detection seat 2. The handle 32 is held by hand, acting force is exerted on the handle 32, and the pin body 31 is inserted into the through hole 22 in the detection base 2, so that the verticality measurement detection tool for the compressor shaft sleeve is very convenient to detect, the detection precision of the verticality measurement detection tool for the compressor shaft sleeve is ensured, and the whole structure of the detection pin 3 is simple.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims

1. The utility model provides a straightness is surveyed and is examined utensil for compressor shaft sleeve's perpendicularity, its characterized in that, it includes the mounting bracket, examines the seat and detects the round pin, examine the seat set up in on the mounting bracket, the top of examining the seat has inside sunken constant head tank, be used for placing the axle sleeve in the constant head tank, the internal face of constant head tank has relative two and supports to lean on the face, two it supports to lean on the face to be used for the laminating respectively to lean on in the both sides plane of axle sleeve, examine have on the seat from the left hand right hand run through in examine the perforation of seat, the perforation with the constant head tank is linked together, it inserts to detect the round pin in the perforation and be used for running through the cross bore of axle sleeve.

2. The perpendicularity measurement gauge for the shaft sleeve of the compressor as claimed in claim 1, wherein the gauge seat comprises a first combination block and a second combination block, one end of the first combination block is connected to the mounting frame, the other end of the first combination block is connected to the second combination block, the positioning groove is formed between the other end of the first combination block and the second combination block, a first through hole is formed in the first combination block, a second through hole is formed in the second combination block, the first through hole and the second through hole are both communicated with the positioning groove, and the first through hole and the second through hole are located on the same straight line and are provided with the through hole.

3. The perpendicularity measurement gauge for a compressor shaft sleeve as claimed in claim 2, wherein the first combination block and the second combination block are connected with each other through a plurality of screws.

4. The perpendicularity measurement gauge for a compressor shaft sleeve as claimed in claim 2, wherein the gauge seat further comprises a limiting rod located below the positioning groove and used for supporting the shaft sleeve located in the positioning groove.

5. The perpendicularity measurement gauge for a compressor shaft sleeve as claimed in claim 1, wherein the detection pin comprises a plug pin body and a handle, the plug pin body is inserted into the through hole, and the handle is connected to an end portion of the plug pin body and located outside the gauge seat.

6. The perpendicularity measurement gauge for a compressor shaft sleeve as claimed in claim 1, wherein the number of the gauge seats and the gauge pins is four, and the four gauge seats are all connected to the mounting frame.

7. The perpendicularity measurement gauge for a compressor shaft sleeve as claimed in claim 1, wherein the mounting frame comprises a mounting base plate and a vertical plate, the mounting base plate is provided with a fixing hole, the bottom of the vertical plate is connected to the mounting base plate, and the gauge seat is connected to the top of the vertical plate.