CN216898853U

CN216898853U - Fixing device for detecting cylindricity of piston

Info

Publication number: CN216898853U
Application number: CN202220747780.6U
Authority: CN
Inventors: 魏笑影
Original assignee: Shandong Kuke Electronic Technology Co ltd
Current assignee: Shandong Kuke Electronic Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-05
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a fixing device for detecting the cylindricity of a piston, which comprises a detection device: a detection port provided at a right side wall of the detection apparatus; the mounting block is fixedly mounted on the right side wall of the detection device, and an induction sheet is mounted inside the mounting block; and the control cabinet is arranged on the right side of the detection equipment. This detect fixing device of piston cylindricity, be provided with electric putter, electric putter drives the fixed block and removes left, thereby drive metal pole translation left, until the silica gel contact of metal rod tip inserts in the installation piece, response piece perception will send signal of telecommunication control electric putter to stop the extension after the touching of silica gel contact, fixing device after the improvement is equipped with prevents the extrusion structure, can guarantee to detect the position of piston suitable, the piston is suitable with the detection mouth distance, it is difficult for causing wearing and tearing to detection mouth and piston, also be difficult for leading to the detection error, more facility has been brought for the piston cylindricity.

Description

Fixing device for detecting cylindricity of piston

Technical Field

The utility model relates to the technical field of piston detection, in particular to a fixing device for detecting the cylindricity of a piston.

Background

The piston is a reciprocating element in the cylinder body of the automobile engine, and the basic structure of the piston can be divided into a top part, a head part and a skirt part. The piston crown is the main part that makes up the combustion chamber and its shape is related to the combustion chamber form chosen. The gasoline engine mostly adopts a flat-top piston, and has the advantages of small heat absorption area, various pits are usually arranged on the top of the piston of the diesel engine, and the specific shape, position and size of the pits are adapted to the requirements of forming and burning of mixed gas of the diesel engine. After the piston production finishes, need utilize professional instrument to detect the piston to ensure that it accords with the standard, wherein, when carrying out piston cylindricity and detecting, need utilize fixing device to carry out the centre gripping to the piston and fix, avoid the piston to remove in testing process, influence the testing result, however present fixing device still exists not enoughly, like application number 201820061036.4 a piston centre gripping fixing device who detects piston pin shaft hole circularity and cylindricity, this fixing device has following problem when using:

1. the existing fixing device is not provided with an anti-extrusion structure, so that the position of a piston to be detected cannot be ensured to be proper, if the distance between the piston and a detection port is too close, the detection port and the piston are easily abraded, and if the distance is too far, the detection error is easily caused, so that more inconvenience is brought to the cylindricity of the piston;

2. the existing fixing device is inconvenient to fix quickly, the pistons to be detected in the same batch are often the same model, and if the national flow of the pistons is more complicated, a large amount of time is wasted, and the detection efficiency of the pistons is not favorably improved.

In view of the above problems, innovative design based on the structure of the original fixing device is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing device for detecting the cylindricity of a piston, and the fixing device is used for solving the problems that the position of the piston to be detected cannot be ensured to be proper without an anti-extrusion structure, if the distance between the piston and a detection port is too close, the detection port and the piston are easily abraded, if the distance is too far, the detection error is easily caused, more inconvenience is brought to the cylindricity of the piston, the piston is inconvenient to fix quickly, the pistons to be detected in the same batch are always of the same type, and if the national flow of the piston is more complicated, a large amount of time waste is caused, and the detection efficiency of the piston is not improved.

In order to achieve the purpose, the utility model provides the following technical scheme: a fixing device for detecting the cylindricity of a piston comprises a detection device:

a detection port provided at a right side wall of the detection apparatus;

the mounting block is fixedly mounted on the right side wall of the detection device, and an induction sheet is mounted inside the mounting block;

the control cabinet is arranged on the right side of the detection equipment, and the top of the control cabinet is fixedly connected with a sliding rail;

the sliding block is movably mounted inside the sliding rail, a fixed rod is fixed at the top of the sliding block, a fixed block is fixedly connected to the outer wall of the fixed rod, a metal rod is fixedly connected to the outer wall of the fixed block, and a silica gel contact is fixedly connected to the end of the metal rod;

the supporting mechanism is fixed on the right side wall of the control cabinet, the top of the supporting mechanism is fixedly connected with an electric push rod, and the end part of the electric push rod is connected with the outer wall of the fixed block in a welding mode;

the connecting block is fixed at the top of the fixed rod, a thread groove is formed in one side of the connecting block, a fixed clamping seat is connected to one side of the connecting block, a threaded connector is welded to the outer wall of the fixed clamping seat, and a rubber gasket is fixedly mounted on the inner wall of the fixed clamping seat;

and the piston to be detected is detachably arranged on one side of the fixed clamping seat.

Preferably, the slide rail and the slide block form a sliding structure, the slide block slides along the inner wall of the slide rail, the inner wall of the slide rail is attached to the outer wall of the slide block, and the inner size of the slide rail is completely matched with the outer size of the slide block.

Preferably, the bottom end of the fixed rod is welded with the top of the sliding block, the top end of the fixed rod is welded with the bottom of the connecting block, and the sliding block, the fixed rod and the connecting block form an integrated structure.

Preferably, the fixed clamping seat is connected with the connecting block through a threaded connector and a threaded groove, the threaded groove is meshed with the fixed clamping seat, and the shape and the size of the threaded groove are matched with those of the threaded connector.

Preferably, the outer surface of the rubber gasket is fixedly connected and attached to the inner wall of the fixed clamping seat, the inner surface of the rubber gasket is movably connected and attached to the outer wall of the piston to be detected, and the rubber gasket is located between the fixed clamping seat and the piston to be detected.

Compared with the prior art, the utility model provides a fixing device for detecting the cylindricity of a piston, which has the following advantages:

1. the improved fixing device is provided with an anti-extrusion structure, so that the position of a piston to be detected can be ensured to be proper, the distance between the piston and a detection port is proper, the detection port and the piston are not easy to wear, the detection is not easy to cause errors, and more convenience is brought to the cylindricity of the piston;

2. be provided with the thread groove in one side of connecting block, the one side at the connecting block is installed to fixed cassette accessible threaded connection head and connecting block of equidimension not to the inboard of fixed cassette is provided with the rubber packing ring, and it is fixed to have made things convenient for the block that waits to detect the piston tip, and fixing device after the improvement is convenient for quick fixation, and the country of piston decides the procedure comparatively simple and convenient, can save a large amount of time, has made things convenient for the piston detection of same model, is favorable to improving the detection efficiency of piston.

Drawings

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

FIG. 2 is a schematic view of the structural connection of the slider and the slider according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structural connection between the fixing rod and the fixing block according to the present invention;

fig. 5 is a schematic perspective view of the fixed card holder of the present invention.

In the figure: 1. a detection device; 2. a detection port; 3. mounting blocks; 4. an induction sheet; 5. a control cabinet; 6. a slide rail; 7. a slider; 8. fixing the rod; 9. a fixed block; 10. a metal rod; 11. a silica gel contact; 12. a support mechanism; 13. an electric push rod; 14. connecting blocks; 15. a thread groove; 16. fixing the card holder; 17. a threaded connector; 18. a rubber gasket; 19. and (5) detecting the piston.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a fixture for detecting piston cylindricity, comprising: the device comprises a detection device 1, a detection port 2, a mounting block 3, an induction sheet 4, a control cabinet 5, a slide rail 6, a slide block 7, a fixed rod 8, a fixed block 9, a metal rod 10, a silica gel contact 11, a supporting mechanism 12, an electric push rod 13, a connecting block 14, a thread groove 15, a fixed clamping seat 16, a thread connector 17, a rubber gasket 18 and a piston 19 to be detected,

a detection port 2 provided in a right side wall of the detection apparatus 1;

the mounting block 3 is fixedly mounted on the right side wall of the detection device 1, and the sensing piece 4 is mounted inside the mounting block 3;

the control cabinet 5 is arranged on the right side of the detection equipment 1, and the top of the control cabinet 5 is fixedly connected with a slide rail 6;

the sliding block 7 is movably arranged inside the sliding rail 6, the top of the sliding block 7 is fixedly provided with a fixed rod 8, the outer wall of the fixed rod 8 is fixedly connected with a fixed block 9, the outer wall of the fixed block 9 is fixedly connected with a metal rod 10, and the end part of the metal rod 10 is fixedly connected with a silica gel contact 11;

the supporting mechanism 12 is fixed on the right side wall of the control cabinet 5, the top of the supporting mechanism 12 is fixedly connected with an electric push rod 13, and the end part of the electric push rod 13 is welded with the outer wall of the fixing block 9;

the connecting block 14 is fixed at the top of the fixing rod 8, a thread groove 15 is formed in one side of the connecting block 14, a fixing clamping seat 16 is connected to one side of the connecting block 14, a threaded connector 17 is welded to the outer wall of the fixing clamping seat 16, and a rubber gasket 18 is fixedly installed on the inner wall of the fixing clamping seat 16;

and the piston 19 to be detected is detachably arranged on one side of the fixed clamping seat 16.

Specifically, as shown in fig. 2 and 4, the slide rail 6 and the slide block 7 form a sliding structure, the slide block 7 slides along the inner wall of the slide rail 6, the inner wall of the slide rail 6 is attached to the outer wall of the slide block 7, the inner size of the slide rail 6 is completely matched with the outer size of the slide block 7, and the motion track of the slide block 7 is defined by the arranged slide rail 6, so that the piston 19 to be detected can move to the detection port 2 more stably;

specifically, as shown in fig. 1 and 2, the bottom end of the fixing rod 8 is welded to the top of the slider 7, the top end of the fixing rod 8 is welded to the bottom of the connecting block 14, and the slider 7, the fixing rod 8 and the connecting block 14 form an integrated structure, so that the structures are connected more tightly due to the integrated design, and the connecting effect among the slider 7, the fixing rod 8 and the connecting block 14 is better;

specifically, as shown in fig. 2 and 5, the fixed clamping seat 16 is connected with the connecting block 14 through a threaded connector 17 and a threaded groove 15, the threaded groove 15 is engaged with the fixed clamping seat 16, the shape and size of the threaded groove 15 are matched with those of the threaded connector 17, and the installation and the disassembly of the fixed clamping seat 16 are facilitated through the threaded groove 15 and the threaded connector 17, so that the fixing device can replace the proper fixed clamping seat 16 according to the type of the piston 19 to be detected;

specifically as shown in fig. 2, the outer surface of the rubber gasket 18 is fixedly connected and attached to the inner wall of the fixed clamping seat 16, the inner surface of the rubber gasket 18 is movably connected and attached to the outer wall of the piston 19 to be detected, the rubber gasket 18 is located between the fixed clamping seat 16 and the piston 19 to be detected, and through the arranged rubber gasket 18, abrasion of the piston 19 to be detected on the inner wall of the fixed clamping seat 16 is avoided, and the end of the piston 19 to be detected can be clamped in the fixed clamping seat 16 more stably.

The working principle is as follows: when the fixing device for detecting the cylindricity of the piston is used, according to the drawing 1, the drawing 2, the drawing 3, the drawing 4 and the drawing 5, firstly, a proper fixing clamping seat 16 is selected according to the type of the piston 19 to be detected, the end part of the piston 19 to be detected is ensured to be stably clamped in the fixing clamping seat 16, then the threaded connector 17 on the outer wall of the fixing clamping seat 16 is aligned with the threaded groove 15 to rotate, the fixing clamping seat 16 is installed on one side of the connecting block 14, the end part of the piston 19 to be detected is inserted into the fixing clamping seat 16 at the beginning of detection formally, the rubber gasket 18 on the inner side of the fixing clamping seat 16 not only avoids the abrasion of the inner wall of the fixing clamping seat 16 on the piston 19 to be detected, but also enables one end of the piston 19 to be detected to be more stably clamped in the fixing clamping seat 16, at the moment, the state of the device is shown in the drawing 1, then the electric push rod 13 is started, the electric push rod 13 drives the fixing block 9 to move leftwards, thereby drive metal pole 10 translation left, slider 7 slides along the inner wall of slide rail 6 thereupon, until the silica gel contact 11 of metal pole 10 tip insert in the installation piece 3, the response piece 4 perception in the installation piece 3 will send the signal of telecommunication control electric putter 13 to stop the extension after the touching of silica gel contact 11, treat that the piston 19 that detects has moved to suitable position this moment, the relative distance of detecting port 2 and treating piston 19 that detects is comparatively suitable, detecting port 2 can treat the cylindricity of detecting piston 19 and scan the detection.

Those not described in detail in this specification are within the skill of the art.

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 utility model provides a fixing device of detection piston cylindricity, includes check out test set, its characterized in that:

a detection port provided at a right side wall of the detection apparatus;

the mounting block is fixedly mounted on the right side wall of the detection equipment, and a sensing sheet is mounted inside the mounting block;

2. A fixture for detecting the cylindricity of a piston according to claim 1, wherein: the sliding rail and the sliding block form a sliding structure, the sliding block slides along the inner wall of the sliding rail, the inner wall of the sliding rail is attached to the outer wall of the sliding block, and the inner size of the sliding rail is completely matched with the outer size of the sliding block.

3. A fixture for detecting the cylindricity of a piston according to claim 1, wherein: the bottom of dead lever and the top welding of slider link to each other, and the top of dead lever and the bottom welding of connecting block link to each other, and slider, dead lever and connecting block constitute integrated structure.

4. The fixing device for detecting the cylindricity of the piston according to claim 1, wherein: the fixed clamping seat is connected with the connecting block through the threaded connector and the threaded groove, the threaded groove is meshed with the fixed clamping seat, and the shape and the size of the threaded groove are matched with those of the threaded connector.

5. A fixture for detecting the cylindricity of a piston according to claim 1, wherein: the outer surface of the rubber gasket is fixedly connected and attached to the inner wall of the fixing clamping seat, the inner surface of the rubber gasket is movably connected and attached to the outer wall of the piston to be detected, and the rubber gasket is located between the fixing clamping seat and the piston to be detected.