CN212320615U

CN212320615U - Crankshaft gear timing angle checking fixture

Info

Publication number: CN212320615U
Application number: CN202021261004.2U
Authority: CN
Inventors: 吕会德; 张世兵; 王龙; 明伟; 董高升
Original assignee: Shiyan Weisheng Auto Parts Co ltd
Current assignee: Shiyan Weisheng Auto Parts Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-01-08
Anticipated expiration: 2030-07-02

Abstract

The utility model provides a crankshaft gear timing angle checking fixture, which relates to the technical field of gear checking fixtures and aims to solve the problems that when the conventional crankshaft gear timing angle checking fixture is used, crankshaft gears with different timing angles cannot be measured according to requirements, and when the crankshaft gear timing angle checking fixture is used, a measurer cannot measure the timing angle of the crankshaft gear, cannot properly adjust rotation according to requirements, and is easy to generate displacement during rotation, and the crankshaft gear timing angle checking fixture comprises a main body; the main body is of a cylindrical structure, and an angle hole is formed in the rear side of the top end of the main body; the guide block is arranged at the top of the main body, and the guide block is arranged in the guide groove in an embedding mode. The guide block is used for being embedded and installed inside the guide groove, so that the guide block can rotate inside the guide groove, the inserting block is moved to a proper position, the inserting block can be inserted into the gear teeth needing to be measured, the pointer of the connecting block is moved on the angle hole of the main body, and therefore a detector can measure the timing angle according to the requirement.

Description

Crankshaft gear timing angle checking fixture

Technical Field

The utility model belongs to the technical field of the gear is examined the utensil, more specifically says, in particular to crankshaft gear timing angle examines utensil.

Background

The timing angle of the crankshaft gear is used to control the relative relationship between the piston and the camshaft of the ignition valve in an internal combustion engine, and the internal combustion engine can have the best effect only if the timing angle is accurate.

For example, application No.: CN201420601686.5 relates to bevel gear tooth thickness and examines utensil, includes table utensil, fluted disc, standard gear, position circle, flat board and table frame and constitutes. The positioning ring and the gauge stand are horizontally arranged on the flat plate, the upper end surface and the lower end surface of the positioning ring are parallel to each other, a vertically-arranged axial through hole is arranged in the middle of the end surface, the diameter of the through hole is larger than that of the small end of the standard bevel gear, and the upper end surface of the positioning ring supports the standard gear. The fluted disc is open downward disc, and the terminal surface up is the plane, and tooth's socket is equallyd divide to open limit downwards, and the tooth's socket both sides are the plane, and the tooth pitch accumulative error between the tooth's socket is less than 0.01 mm. During detection, two side surfaces of the tooth groove are in linear contact with the bevel teeth of the standard bevel gear in a matching way, and the upper plane of the fluted disc is set to be zero by the meter. And replacing the standard bevel gear with the bevel gear to be detected at the position, measuring the plane on the fluted disc by using the gauge, wherein if the indication value of the gauge is within zero position, the tooth thickness is qualified, and otherwise, the tooth thickness is unqualified. The utility model discloses simple structure, detection efficiency are high, require lowly to the detection condition, are particularly suitable for the production site configuration.

Based on discovery among the prior art, current crankshaft gear timing angle examines utensil when using, can't measure the crankshaft gear of different timing angles according to the demand, and when measuring, surveyor can't measure the timing angle of crankshaft gear, can't rotate according to the appropriate regulation of demand, and produce the displacement during rotatory easily.

Therefore, in view of the above, a study and improvement is made for the existing structure and defects, and a crankshaft gear timing angle checking fixture is provided to achieve a more practical purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an utensil is examined to crankshaft gear timing angle to solve current crankshaft gear timing angle and examine the utensil and when using, can't measure the crankshaft gear of different timing angles according to the demand, and when measuring, surveyor can't measure crankshaft gear's timing angle, can't be rotatory according to the appropriate regulation of demand, and produce the problem of displacement easily when rotatory.

The utility model relates to a purpose and efficiency of utensil are examined to crankshaft gear timing angle is reached by following concrete technical means:

a crankshaft gear timing angle gauge comprises a main body, a guide block, an insert and a slide block; the main body is of a cylindrical structure, and an angle hole is formed in the rear side of the top end of the main body; the guide block is arranged at the top of the main body and is arranged in the guide groove in an embedding manner; the guide block is of an annular plate-shaped structure, and the section of the guide block is of an L-shaped structure; the plug-in is arranged on the upper side of the main body and penetrates through the inside of the slot of the connecting block; the slider is installed in the main part bottom, and the slider is installed inside the spout through the mode of embedding.

Furthermore, the main body comprises a guide groove and a sliding groove; a detection hole is formed in the main body, and the detection hole is of a cylindrical structure with a convex middle part; the guide groove is of an annular plate-shaped structure, is arranged at the top end of the main body and has an L-shaped section; the sliding chute is of a cross structure and is arranged at the bottom end of the detection hole of the main body; the rear side of the bottom end of the sliding groove is provided with a fixing groove which is of an arc-shaped structure.

Furthermore, the guide block comprises a connecting block and a threaded rod; the connecting block is of a rectangular structure and is arranged on the rear side of the top end of the guide block; a T-shaped slot is arranged in the connecting block, a threaded hole is formed in the right end of the slot, and a pointer is arranged on the lower side of the rear end of the connecting block; the left end of the threaded rod is provided with a clamping piece with an arc-shaped structure, and the clamping piece is made of rubber; the left end of the threaded rod penetrates through the interior of a threaded hole of the connecting block.

Furthermore, the plug-in components comprise a clamping groove and a plug-in block; the plug-in is of a T-shaped structure, and a clamping groove is formed in the right end of the plug-in; the left end of the clamping groove is provided with a protrusion with a triangular structure, and the protrusion is made of rubber; the insert block is of a rectangular structure, and a groove of a trapezoidal structure is formed in the front end of the insert block.

Furthermore, the sliding block comprises a fixing piece; the section of the sliding block is of a T-shaped structure, and the bottom end of the sliding block is provided with a jack of a cylindrical structure; the top of the fixing piece is of a cylindrical structure with a convex middle part, and the bottom of the fixing piece is of a spherical structure; the bottom embedding of mounting is installed inside the jack of slider, and mounting outer wall downside is equipped with the baffle.

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

in the device, a guide block is arranged and is embedded in the guide groove, so that the guide block can rotate in the guide groove, the insertion block can be moved to a proper position, the insertion block can be inserted into a gear tooth to be measured, a pointer of the connecting block can move on an angle hole of the main body, a detector can measure a timing angle according to requirements and measure how large the timing angle is, the guide block can rotate in the guide groove in a guiding manner, the guide block and the plug-in are not displaced, the cross section of the guide block is of an L-shaped structure, the guide block cannot be separated from the inside of the guide groove and cannot be displaced when rotating, the slot in the connecting block is used for enabling the plug-in to move in a fixed direction, so that the plug-in is not deviated when moving, and the pointer of the connecting block is used for being matched with the angle hole of the main body, make the inserted block when inserting suitable teeth of a cogwheel, the testing personnel can detect out the timing angle of bent axle gear, the threaded rod is used for fixed plug-in components, make the inserted block when inserting the teeth of a cogwheel that needs detect, the threaded rod can insert inside the draw-in groove, prevent that the plug-in components from appearing sliding, make measuring result can not the error, thereby solved when using, can't measure the bent axle gear of different timing angles according to the demand, and in the measuring, the measurer can't measure the timing angle of bent axle gear, can't be rotatory according to the appropriate regulation of demand, and produce the problem of displacement during the rotation easily.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention with a partial cross section.

Fig. 3 is a schematic view of the main body of the present invention.

Fig. 4 is a rear view structure diagram of the guide block of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the plug-in unit of the present invention.

Fig. 6 is a schematic view of a three-dimensional structure of the slider of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 101. a guide groove; 102. a chute; 2. a guide block; 201. connecting blocks; 202. a threaded rod; 3. a plug-in; 301. a card slot; 302. inserting a block; 4. a slider; 401. and a fixing member.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a crankshaft gear timing angle checking fixture, which comprises a main body 1, a guide block 2, an insert 3 and a slide block 4; the main body 1 is of a cylindrical structure, an angle hole is formed in the rear side of the top end of the main body 1, and the fixing groove of the sliding groove 102 is used for enabling a baffle of the fixing piece 401 to be inserted into the fixing groove, so that the bottom of the crankshaft can be quickly installed in the detection hole of the main body 1; the guide block 2 is arranged at the top of the main body 1, and the guide block 2 is arranged in the guide groove 101 in an embedded mode; the guide block 2 is of an annular plate-shaped structure, the cross section of the guide block 2 is of an L-shaped structure, a pointer of the connecting block 201 is used for being matched with an angle hole of the main body 1, so that when the insertion block 302 is inserted into a proper gear tooth, a detector can detect a timing angle of a crankshaft gear, the threaded rod 202 is used for fixing the plug-in 3, when the insertion block 302 is inserted into the gear tooth to be detected, the threaded rod 202 can be inserted into the clamping groove 301, the plug-in 3 is prevented from sliding, and errors cannot occur in a measuring result; the plug-in 3 is arranged on the upper side of the main body 1, the plug-in 3 penetrates through the inside of the slot of the connecting block 201, and the clamping groove 301 on the right side of the plug-in 3 is used for inserting the threaded rod 202, so that when the plug-in block 302 is inserted into a gear tooth to be measured, the threaded rod 202 can be rotated, the left end of the threaded rod 202 is tightly connected with the clamping groove 301, and the plug-in 3 is fixed; the sliding block 4 is arranged at the bottom of the main body 1, the sliding block 4 is arranged in the sliding groove 102 in an embedded mode, and the fixing piece 401 is used for limiting and fixing the sliding block 4 when moving backwards, so that the bottom of the crankshaft can be conveniently arranged in the detection hole of the main body 1; the main body 1 comprises a guide groove 101 and a sliding groove 102; a detection hole is formed in the main body 1, and the detection hole is of a cylindrical structure with a convex middle part; the guide groove 101 is of an annular plate-shaped structure, the guide groove 101 is arranged at the top end of the main body 1, and the section of the guide groove 101 is of an L-shaped structure; the sliding chute 102 is of a cross-shaped structure, and the sliding chute 102 is arranged at the bottom end of the detection hole of the main body 1; the rear side of the bottom end of the sliding groove 102 is provided with a fixing groove which is of an arc structure, an angle hole on the rear side of the top end of the main body 1 is used for measuring a crankshaft gear tooth timing angle, when the insert block 302 is inserted into a proper gear tooth, a pointer of the connecting block 201 moves at a proper position above the angle hole of the main body 1, so that a measurer can conveniently measure the timing angle, the guide groove 101 is used for embedding and installing the guide block 2, the guide block 2 can rotate in the guide groove, the insert 3 is moved to a proper position, the insert block 302 can be inserted into the gear tooth to be measured, the sliding groove 102 is used for embedding and installing the sliding block 4, the sliding block 4 can rotate in the sliding groove 102, and the sliding block 4 can clamp the crankshaft under the jacking action of a spring; the guide block 2 comprises a connecting block 201 and a threaded rod 202; the connecting block 201 is of a rectangular structure, and the connecting block 201 is arranged on the rear side of the top end of the guide block 2; a slot with a T-shaped structure is arranged in the connecting block 201, a threaded hole is formed in the right end of the slot, and a pointer is arranged on the lower side of the rear end of the connecting block 201; the left end of the threaded rod 202 is provided with a clamping piece with an arc-shaped structure, and the clamping piece is made of rubber; the left end of the threaded rod 202 penetrates through the threaded hole of the connecting block 201, the guide block 2 is embedded and installed inside the guide groove 101, the guide block 2 can rotate inside the guide groove 101, the inserting block 302 can be moved to a proper position, the inserting block 302 can be inserted into a gear tooth to be measured, a pointer of the connecting block 201 can move on an angle hole of the main body 1, so that a tester can measure a timing angle according to requirements and measure how large the timing angle is, the guide block 2 can rotate inside the guide groove 101 in a guiding manner, the guide block 2 and the plug-in unit 3 cannot be displaced, the cross section of the guide block 2 is of an L-shaped structure, the guide block 2 cannot be separated from the inside of the guide groove 101 and cannot be displaced, and the slot inside the connecting block 201 is used for enabling the plug-in unit 3 to move in a fixed direction, so that the plug-in 3 can not generate deviation when moving; the plug-in unit 3 comprises a card slot 301 and a plug-in block 302; the plug-in 3 is of a T-shaped structure, and a clamping groove 301 is formed in the right end of the plug-in 3; a protrusion with a triangular structure is arranged at the left end of the clamping groove 301, and the protrusion is made of rubber; the insertion block 302 is of a rectangular structure, a groove with a trapezoidal structure is formed in the front end of the insertion block 302, and the insertion piece 3 is used for being connected with the connecting block 201, so that when the device needs to be used, the guide block 2 and the connecting block 201 can be rotated through rotation, the insertion piece 3 drives the insertion block 302 to move to a proper position, the insertion block 302 can move inwards, the front end of the insertion block 302 is inserted into gear teeth needing to be measured, and the timing angle of the crankshaft gear can be measured conveniently; wherein, the sliding block 4 comprises a fixing part 401; the section of the sliding block 4 is of a T-shaped structure, and the bottom end of the sliding block 4 is provided with a jack of a cylindrical structure; the top of the fixing piece 401 is of a cylindrical structure with a convex middle part, and the bottom of the fixing piece 401 is of a spherical structure; the bottom end of the fixing part 401 is embedded in a jack of the sliding block 4, a baffle is arranged on the lower side of the outer wall of the fixing part 401, the sliding block 4 is embedded in the sliding groove 102, the sliding block 4 moves forwards under the pushing of the spring when the device is used, the sliding block 4 can clamp the bottom of a crankshaft, and the sliding block 4 can enable the crankshaft zero line to be parallel to the angle hole zero line of the main body 1 when the crankshaft is clamped.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the device can be moved to a proper position by manpower, then the sliding block 4 is moved backwards, the baffle of the fixing part 401 is inserted into the fixing hole of the sliding groove 102 under the pushing of the spring, so that the sliding block 4 is limited and fixed, then the threaded rod 202 is rotated, the plug-in 3 is relieved from limiting, then the plug-in 3 is moved backwards, so that the crankshaft can not block during installation, then the threaded rod 202 is rotated, so that the plug-in 3 is limited and fixed, then the crankshaft is installed in the detection hole of the main body 1, then the fixing part 401 is slid downwards, so that the sliding block 4 is relieved from limiting, so that the sliding block 4 slides backwards under the pushing of the spring, so that the sliding block 4 clamps the crankshaft, and when clamping is carried out, the zero line of the crankshaft is parallel to the angle hole zero line of the main body 1, then the guide block 2 is rotated, so that the guide block 2 drives the plug-in 3 to, then the threaded rod 202 is rotated to enable the plug-in 3 to be unlocked so that the plug-in block 302 can be inserted into the gear teeth to be measured, then the threaded rod 202 is rotated to enable the plug-in 3 to be limited and fixed so as to prevent the plug-in 3 from sliding during measurement, and then the position of the pointer of the connecting block 201 in the angle hole of the main body 1 is read so as to measure the timing angle of the crank gear.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a crankshaft gear timing angle examines utensil which characterized in that: the method comprises the following steps: the device comprises a main body (1), a guide block (2), an insert (3) and a sliding block (4); the main body (1) is of a cylindrical structure, and an angle hole is formed in the rear side of the top end of the main body (1); the guide block (2) is arranged at the top of the main body (1), and the guide block (2) is arranged in the guide groove (101) in an embedding manner; the guide block (2) is of an annular plate-shaped structure, and the section of the guide block (2) is of an L-shaped structure; the plug-in unit (3) moves above the main body (1), the plug-in unit (3) is inserted into the slot of the connecting block (201), and the inner end of the threaded rod (202) is inserted into the slot (301) of the plug-in unit (3); the sliding block (4) is installed at the bottom of the main body (1), and the sliding block (4) is installed inside the sliding groove (102) in an embedded mode.

2. The crankshaft gear timing angle gauge of claim 1, wherein: the main body (1) comprises a guide groove (101) and a sliding groove (102); a detection hole is formed in the main body (1), and the detection hole is of a cylindrical structure with a convex middle part; the guide groove (101) is of an annular plate-shaped structure, the guide groove (101) is arranged at the top end of the main body (1), and the section of the guide groove (101) is of an L-shaped structure; the cross section of the sliding chute (102) is of a cross structure, and the sliding chute (102) is arranged on two sides of the bottom end of the detection hole of the main body (1); the rear side of the bottom end of the sliding groove (102) is provided with a fixing groove which is of an arc-shaped structure.

3. The crankshaft gear timing angle gauge of claim 1, wherein: the guide block (2) comprises a connecting block (201) and a threaded rod (202); the connecting block (201) is of a rectangular structure, and the connecting block (201) is arranged at the top end of the guide block (2); a slot with a T-shaped structure is arranged in the connecting block (201), a threaded hole is formed in the right end of the slot, and a pointer is arranged at the bottom of the rear end of the connecting block (201); the left end of the threaded rod (202) is provided with a clamping piece with an arc-shaped structure, and the clamping piece is made of rubber; the left end of the threaded rod (202) penetrates through the interior of a threaded hole of the connecting block (201).

4. The crankshaft gear timing angle gauge of claim 1, wherein: the plug-in unit (3) comprises a card slot (301) and a plug-in block (302); the section of the plug-in (3) is of a T-shaped structure, and a clamping groove (301) is formed in the right end of the plug-in (3); the left end of the clamping groove (301) is provided with a protrusion with a triangular structure, and the protrusion is made of rubber; the insert block (302) is of a rectangular structure, and a groove of a trapezoidal structure is formed in the front end of the insert block (302).

5. The crankshaft gear timing angle gauge of claim 1, wherein: the sliding block (4) comprises a fixing piece (401); the section of the sliding block (4) is of a T-shaped structure, and the bottom end of the sliding block (4) is provided with a jack with a middle raised cylindrical structure; the top of the fixing piece (401) is of a cylindrical structure with a convex middle part, and the bottom of the fixing piece (401) is of a spherical structure; the top end of the fixing piece (401) is embedded in the jack of the sliding block (4), and a baffle is arranged on the lower side of the outer wall of the fixing piece (401).