CN219996080U

CN219996080U - Coaxiality gauge for cylinder cover

Info

Publication number: CN219996080U
Application number: CN202321577593.9U
Authority: CN
Inventors: 张坤; 刘兵
Original assignee: Shenzhen City North High Tech Development Co ltd
Current assignee: Shenzhen City North High Tech Development Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-10
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the field of cylinder cover detection, and discloses a coaxiality gauge for a cylinder cover, which solves the problem that a dial indicator of the existing coaxiality gauge for the cylinder cover is troublesome to install and fix. According to the utility model, when the dial indicator is required to be installed, the two groups of push rods on the side surface of the fixed sleeve are extruded inwards, so that the rotating plate rotates to be inclined through the rotating shaft, then the clamping block is aligned with the clamping groove and is inserted downwards, the limiting block is clamped at the upper end of the clamping block, the dial indicator is further connected and installed and fixed with the fixed sleeve through the connecting rod, the dial indicator is fast to operate, other tools are not required to be used for fixing, and the time is saved.

Description

Coaxiality gauge for cylinder cover

Technical Field

The utility model relates to the technical field of cylinder cover detection, in particular to a coaxiality detection tool for a cylinder cover.

Background

The cylinder cover is a box-shaped zero with a complex structure, is a mounting matrix of a valve mechanism and a sealing cover of a cylinder, has the functions of sealing the cylinder, forming a combustion space together with a piston and bearing high-temperature and high-pressure fuel gas, and the coaxiality of a valve seat hole of the cylinder cover and a conduit hole is a special index of the cylinder cover, and the coaxiality requirement between the valve seat hole of the cylinder cover and the conduit hole is generally within phi 0.05 mm; therefore, after the cylinder cover is machined, the coaxiality of the valve seat hole and the guide pipe hole of the cylinder cover needs to be detected;

through retrieving, current chinese patent CN202210894371.3 provides a coaxiality gauge for cylinder head, including the volume is specific, the measuring tool is specific to have at the bottom with cylinder head pipe hole inner diameter looks adaptation's location inserted bar, the measuring tool is internal along its axial slidable mounting have a depression bar, and be equipped with the subassembly that resets that is used for realizing the depression bar slip and resets in the measuring tool, the dial indicator is installed at the specific top of volume, the top of depression bar supports the side head of leaning on the dial indicator, the specific bottom of volume is equipped with the measuring column, the measuring column is along the axial direction slidable mounting who is perpendicular to the measuring tool is specific on the volume, and the one end of measuring column has an inclined plane, the inclined plane setting of measuring column is supported to the bottom of depression bar, the other end of measuring column extends to the measuring tool external setting. The utility model can directly read the coaxiality error value of the cylinder cover, has high coaxiality detection accuracy on the cylinder cover, and has the advantages of small volume, light weight and simple and convenient use and operation, thereby greatly improving the coaxiality detection efficiency on the cylinder cover.

Although the above patent visually displays the coaxiality error number of the guide pipe hole and the valve seat hole through the set dial indicator, some problems still exist in the installation and use process: the dial indicator in the above patent is fixed on the top of the fixed dial indicator sleeve through the clamp and the positioning bolt, the dial indicator is more laborious to the small knob of the positioning bolt needs to be screwed up through tools such as a spanner, thereby when the operator carries out the installation of the dial indicator, the spanner needs to be found or the knob tool needs to be carried, the time and the labor are wasted, and the positioning bolt is used for a long time and is easy to loosen, the installation of the dial indicator is unstable, the problem that drops easily occurs in the use process, and the offset of the dial indicator also has certain influence on detection data, and meanwhile the positioning bolt is easy to rust due to moisture, so that the operation of maintaining and dismantling the dial indicator is more troublesome, and the labor amount is increased.

Disclosure of Invention

The utility model aims to provide a coaxiality gauge for a cylinder cover, which adopts the device to work, so that the problem that the dial indicator of the existing coaxiality gauge for the cylinder cover is troublesome to install and fix is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the coaxiality gauge for the cylinder cover comprises a measuring body, a connecting plate arranged at the specific bottom end of the measuring body, a supporting nail arranged on the surface of the connecting plate in a threaded manner, a positioning inserted rod arranged at the bottom end of the connecting plate, a fixed sleeve arranged at the specific top end of the measuring body, a connecting rod arranged at the top end of the fixed sleeve, and a dial indicator of which a bearing is arranged at the top end of the connecting rod, wherein an inserting structure for rapidly installing the dial indicator is arranged in the fixed sleeve;

the cartridge structure is including seting up the draw-in groove on fixed cover surface, the block of block inside the draw-in groove, sets up the stopper in the draw-in groove is inside, sets up the commentaries on classics board in stopper one end, sets up the pivot at commentaries on classics board middle part to and set up the push rod in commentaries on classics board one side.

Further, the surface threaded connection of connecting rod has the shift ring, and the both ends of shift ring are provided with the extension board, and the one end of extension board is connected with the fixture block.

Further, the clamping block is right trapezoid, the limiting block is triangular, and the clamping block is clamped with the limiting block.

Further, the surface of the rotating plate is provided with a spring, the spring is connected with the inner wall of the clamping groove, and two ends of the rotating shaft are movably connected with the inner wall of the clamping groove.

Further, the notch has been seted up to the side of fixed cover, and the notch is provided with two sets of, the push rod is at the inside removal of notch, the push rod is used for pushing to the rotating plate bottom.

Further, the outside of supporting the nail is provided with protective structure, and protective structure is including setting up the hinge at the connecting plate surface, sets up the helmet in hinge one side, and the diameter of helmet is greater than the diameter of supporting the nail.

Further, the inside of helmet is provided with the elastic band, and the elastic band is used for placing the support nail that the dismantles down in the inside accomodate of helmet.

Further, one end of the protective cap is provided with a bump, one end of the bump is provided with a first magnet, the surface of the connecting plate is provided with a groove, a second magnet is arranged in the groove, the bump is clamped with the groove, and the first magnet and the second magnet are attracted by different poles.

Compared with the prior art, the utility model has the following beneficial effects:

the coaxiality gauge for the cylinder cover is troublesome to install and fix a dial indicator of the coaxiality gauge for the cylinder cover; when the dial indicator is required to be installed, the two groups of push rods on the side face of the fixed sleeve are extruded inwards, so that the rotating plate rotates to be inclined through the rotating shaft, then the clamping block is aligned with the clamping groove and is inserted downwards, the limiting block is clamped at the upper end of the clamping block, the dial indicator is further connected and installed and fixed with the fixed sleeve through the connecting rod, the dial indicator is fast to operate, other tools are not required to be used for fixing, and time is saved.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the plug-in structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of the cartridge structure of the present utility model;

fig. 4 is a schematic three-dimensional structure of the protective structure of the support pin of the present utility model.

In the figure: 1. the amount is specific; 2. a connecting plate; 3. a support pin; 4. positioning the inserted link; 5. a fixed sleeve; 6. a connecting rod; 7. a plug-in structure; 71. a moving ring; 72. an extension plate; 73. a clamping block; 74. a clamping groove; 75. a limiting block; 76. a rotating plate; 77. a spring; 78. a rotating shaft; 79. a push rod; 710. a notch; 8. a protective structure; 81. a hinge; 82. a protective cap; 83. an elastic band; 84. a bump; 85. a first magnet; 86. a groove; 87. a second magnet; 9. dial gauge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1-3, the coaxiality gauge for the cylinder cover comprises a measuring body 1, a connecting plate 2 arranged at the bottom end of the measuring body 1, a supporting nail 3 arranged on the surface of the connecting plate 2 in a threaded manner, a positioning inserted rod 4 arranged at the bottom end of the connecting plate 2, a fixing sleeve 5 arranged at the top end of the measuring body 1, a connecting rod 6 arranged at the top end of the fixing sleeve 5, and a dial indicator 9 arranged at the top end of the connecting rod 6 in a bearing manner, wherein an inserting structure 7 used for rapidly installing the dial indicator 9 is arranged in the fixing sleeve 5.

The utility model is further described below with reference to examples.

Example 1:

referring to fig. 1-3, the plugging structure 7 includes a clamping groove 74 formed on the surface of the fixing sleeve 5, a clamping block 73 clamped inside the clamping groove 74, a limiting block 75 formed inside the clamping groove 74, a rotating plate 76 formed at one end of the limiting block 75, a rotating shaft 78 formed in the middle of the rotating plate 76, and a push rod 79 formed at one side of the rotating plate 76, wherein the surface of the connecting rod 6 is in threaded connection with a moving ring 71, two ends of the moving ring 71 are provided with extension plates 72, one end of the extension plates 72 is connected with the clamping block 73, the clamping block 73 is in a right trapezoid shape, the limiting block 75 is triangular, the clamping block 73 is clamped with the limiting block 75, a spring 77 is arranged on the surface of the rotating plate 76 and is connected with the inner wall of the clamping groove 74, two ends of the rotating shaft 78 are movably connected with the inner wall of the clamping groove 74, a notch 710 is formed in the side surface of the fixing sleeve 5, two groups of the notch 710 are formed, the push rod 79 moves inside the notch 710, the push rod 79 is used for pushing the bottom end of the rotating plate 76, and the operation is fast without other tools.

Specifically, when the dial indicator 9 needs to be installed, the dial indicator 9 is connected with the connecting rod 6 through a bearing, the connecting rod 6 is rotated to enable the movable ring 71 to be in threaded connection to move downwards, so that the movable ring 71 drives the clamping block 73 connected with the extension plate 72 to move downwards to a proper position, at this time, through extruding two groups of push rods 79 on the side face of the fixed sleeve 5 inwards, the push rods 79 push the bottom end of the rotating plate 76, the rotating plate 76 rotates to be inclined through the rotating shaft 78, the rotating plate 76 extrudes the force for the springs 77, then the clamping blocks 73 fixed by the extension plates 72 on two sides of the movable ring 71 in threaded connection with the connecting rod 6 are aligned with the clamping grooves 74 on the top face of the fixed sleeve 5 and are inserted downwards, meanwhile, the bottom end of the connecting rod 6 is inserted into the fixed sleeve 5 to be in contact with the top end of the pressing rod, and as a novel point of the utility model is not described in detail, reference can be made to the above-mentioned comparison patent, so that the clamping block 73 enters the lower end of the clamping groove 74 and is located at the limiting block 75, then the push rods 79 are released, the springs 77 connected with the rotating plate 76 are reset, the rotating plate 76 is reset to be vertical through the rotating shaft 78, so that the limiting block 75 is located at the upper end of the limiting block 75, and the fixing tool is further connected with the fixed to the fixed sleeve 5 through the fixed tool through the connecting rod 5 through the threaded connection, and the connecting rod is not needed, and the fixed tool is quickly by the fixing tool, and the fixing tool is installed.

Example 2:

referring to fig. 1 and 4, the outside of the support nail 3 is provided with a protection structure 8, the protection structure 8 includes a hinge 81 disposed on the surface of the connection plate 2, a protective cap 82 disposed on one side of the hinge 81, the diameter of the protective cap 82 is larger than that of the support nail 3, an elastic band 83 is disposed inside the protective cap 82, the elastic band 83 is used for accommodating the detached support nail 3 inside the protective cap 82, one end of the protective cap 82 is provided with a bump 84, one end of the bump 84 is provided with a first magnet 85, the surface of the connection plate 2 is provided with a groove 86, a second magnet 87 is disposed inside the groove 86, the bump 84 is engaged with the groove 86, the first magnet 85 and the second magnet 87 are opposite poles, and the elastic band 83 is convenient for accommodating and avoid losing.

Specifically, rotate the helmet 82 through hinge 81 and cover the support nail 3 inside to reach the protection effect to support nail 3, avoid supporting nail 3 to wet and rust, thereby the lug 84 that the one end of helmet 82 set up and recess 86 looks block, the magnet two 87 inter attraction of magnet one 85 and recess 86 that the lug 84 end set up is fixed, prevent to support nail 3 and lose, rotate 180 degrees with the helmet 82 through the hinge 81 and separate with support nail 3, then dismantle support nail 3 and place under the elastic band 83 of helmet 82 and accomodate, avoid losing, conveniently take.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 utensil is examined with axiality to cylinder head, includes that the volume is specific (1), sets up connecting plate (2) in measuring tool body (1) bottom, and the screw thread sets up support nail (3) on connecting plate (2) surface, sets up location inserted bar (4) in connecting plate (2) bottom, sets up fixed cover (5) on measuring tool body (1) top, sets up connecting rod (6) on fixed cover (5) top to and bearing setting is in amesdial (9) on connecting rod (6) top, its characterized in that: an inserting structure (7) for quickly installing the dial indicator (9) is arranged in the fixing sleeve (5);

the cartridge structure (7) comprises a clamping groove (74) formed in the surface of the fixed sleeve (5), a clamping block (73) clamped in the clamping groove (74), a limiting block (75) arranged in the clamping groove (74), a rotating plate (76) arranged at one end of the limiting block (75), a rotating shaft (78) arranged in the middle of the rotating plate (76) and a push rod (79) arranged at one side of the rotating plate (76).

2. The coaxiality gauge for a cylinder head according to claim 1, wherein: the surface of the connecting rod (6) is connected with a movable ring (71) in a threaded mode, extension plates (72) are arranged at two ends of the movable ring (71), and one end of each extension plate (72) is connected with a clamping block (73).

3. The coaxiality gauge for a cylinder head according to claim 2, wherein: the clamping block (73) is in a right trapezoid shape, the limiting block (75) is in a triangle shape, and the clamping block (73) is clamped with the limiting block (75).

4. The coaxiality gauge for a cylinder head according to claim 1, wherein: the surface of the rotating plate (76) is provided with a spring (77), the spring (77) is connected with the inner wall of the clamping groove (74), and two ends of the rotating shaft (78) are movably connected with the inner wall of the clamping groove (74).

5. The coaxiality gauge for a cylinder head according to claim 1, wherein: the side of fixed cover (5) has seted up notch (710), and notch (710) are provided with two sets of, push rod (79) are at the inside removal of notch (710), push rod (79) are used for pushing to rotating plate (76) bottom.

6. The coaxiality gauge for a cylinder head according to claim 1, wherein: the outside of support nail (3) is provided with protective structure (8), and protective structure (8) are including setting up hinge (81) on connecting plate (2) surface, set up helmet (82) in hinge (81) one side, and the diameter of helmet (82) is greater than the diameter of support nail (3).

7. The coaxiality gauge for a cylinder head according to claim 6, wherein: the inside of helmet (82) is provided with elastic band (83), and elastic band (83) are used for placing the support nail (3) of dismantling in the inside accomodating of helmet (82).

8. The coaxiality gauge for a cylinder head according to claim 7, wherein: one end of helmet (82) is provided with lug (84), and one end of lug (84) is provided with magnet one (85), recess (86) have been seted up on the surface of connecting plate (2), and the inside of recess (86) is provided with magnet two (87), and lug (84) and recess (86) block mutually, magnet one (85) is different utmost point looks suction with magnet two (87).