CN210220913U

CN210220913U - Gear measuring tool assembly structure

Info

Publication number: CN210220913U
Application number: CN201921073370.2U
Authority: CN
Inventors: Weiyang Mao; 毛伟洋
Original assignee: Hangzhou Haite Machinery Co Ltd
Current assignee: Hangzhou Haite Machinery Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-03-31
Anticipated expiration: 2029-07-10

Abstract

The utility model provides a gear measuring tool assembly structure, which comprises a round head measuring rod, a mounting hole, a fixed gauge block, a first locking hole, a scale rod, a threaded rod, a first mounting groove, a movable gauge block, a second locking hole, a scale hole, an adjusting hole, a second mounting groove, a locking nut, an adjusting nut, an elastic plate and a backing plate; the round-head measuring rod is respectively connected to the lower ends of the fixed gauge block and the movable gauge block, and the fixed gauge block and the movable gauge block are both connected with a locking nut at the other end of the bolt; the fixed gauge block and the movable gauge block are both in a column cap-shaped structure with a cylinder at one end, and the cylindrical ends of the fixed gauge block and the movable gauge block are connected with an elastic plate; the movable gauge block is connected to one side of the fixed gauge block in a sliding mode, the adjusting mechanism is arranged on the other side of the movable gauge block, the series of structures effectively reduce the error rate of the gear measuring tool to the measuring result of the diameter of the tooth root circle of the special gear, the measuring accuracy of the gear measuring tool is enhanced, and the practicability of the gear measuring tool is improved.

Description

Gear measuring tool assembly structure

Technical Field

The utility model belongs to the technical field of the measuring equipment structure, more specifically say, in particular to gear measuring tool subassembly structure.

Background

When involving the gear in machining, often need measure the root circle diameter of gear, present common mode adopts micrometer or slide caliper to carry out direct measurement to the root circle diameter of gear, but when meeting special gear that volume is extra-small or the volume is extra-large, the contact of dipperstick such as micrometer can't carry out direct contact measurement to special gear, just at this moment need use the button head and survey the stick and carry out the auxiliary measure.

The prior chinese utility model patent, for example, with patent number CN201020609356.2, discloses a large gear measuring instrument, which is basically described as: the gear measuring instrument is formed by combining a measuring device and a rotary worktable which are mutually independent in parallel, and the measuring device is positioned on one side of the rotary worktable; the rotary worktable is assembled on a rotary worktable base in a centering way through a hydrostatic guide rail support and a hydrostatic bearing; the rotary worktable is driven by a double-worm anti-backlash transmission mechanism arranged on a base of the rotary worktable.

Based on the above-mentioned patent description, can see that gear measuring tool in the similar patent need use slide caliper rule to carry out distance measurement to the button head survey stick that contacts special gear when carrying out the root circle diameter measurement to special gear, when slide caliper rule contact button head survey stick measures, often can produce the extrusion to the button head survey stick and cause the button head to survey stick skew, leads to the root circle diameter measurement result of special gear to produce too much error.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a gear measuring tool subassembly structure to solve the gear measuring tool that is similar to that the above-mentioned current patent structure proposed and when carrying out the root circle diameter measurement to special gear, need use slide caliper rule to carry out distance measurement to the button head survey stick that contacts special gear, when slide caliper rule contact button head survey stick measures, often can produce the extrusion to the button head survey stick and cause the skew of button head survey stick, lead to the root circle diameter measurement result of special gear to produce the problem of too much error.

The utility model discloses purpose and efficiency of gear measuring tool subassembly structure are reached by following specific technological means:

the gear measuring tool assembly structure comprises a round head measuring rod, a mounting hole, a fixed measuring block, a first locking hole, a scale rod, a threaded rod, a first mounting groove, a movable measuring block, a second locking hole, a scale hole, an adjusting hole, a second mounting groove, a locking nut, an adjusting nut, an elastic plate and a base plate; the round-head measuring rod is of a round rod structure with two contact balls at the lower ends, the round-head measuring rod is respectively in threaded connection with the lower ends of the fixed measuring block and the movable measuring block through bolts, and the fixed measuring block and the movable measuring block are both in threaded connection with a locking nut at the other end of each bolt; the fixed gauge block and the movable gauge block are both of a column cap-shaped structure with a cylinder at one end, and the cylinder ends of the fixed gauge block and the movable gauge block are connected with a bendable elastic plate through screw threads; the movable gauge block is connected to one side of the fixed gauge block in a sliding mode, and an adjusting mechanism is arranged on the other side of the movable gauge block.

Furthermore, a round mounting hole is formed above the round rod of the round head measuring rod.

Further, fixed gage block has seted up the first locking hole of circular shape at the cap side, and fixed gage block still sets up the first mounting groove of rectangle at the cylinder rear end to fixed gage block has the cylindric scale pole of scale in cylindrical one side fusion welding.

Furthermore, a threaded rod is welded on one side of the cylinder of the fixed gauge block in a fusion mode, an adjusting nut is connected to the threaded rod in a threaded mode, and a rectangular plate-shaped base plate is matched with the threaded rod in a sliding mode on one side of the adjusting nut in a sliding mode.

Furthermore, the movable gauge block is provided with a circular second locking hole at the side end of the column cap, and the movable gauge block is also provided with a rectangular second mounting groove at the rear end of the column.

Furthermore, circular scale holes are formed in the side end of the cylinder of the movable gauge block, circular adjusting holes are formed in the side end of the cylinder of the movable gauge block, and the adjusting holes are located behind the scale holes.

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

the utility model discloses can change the button head of different specifications through threaded connection at the lower extreme of fixed gage block and activity gage block and survey the stick and carry out measurement work, activity gage block slides and can directly read out numerical value through the scale pole after the test distance, the staff can also effectively avoid the button head to survey the stick and take place the offset when the test through hand elastic plate, this series of structure, the error rate of gear measuring tool to special gear tooth root circle diameter measurement result has effectively been reduced, gear measuring tool's measurement accuracy has been strengthened, gear measuring tool's practicality has been improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the round-head measuring rod of the present invention.

Fig. 3 is a schematic view of the structure of the fixed measuring block of the present invention.

Fig. 4 is a schematic view of a part a of the structure of the present invention, which is drawn from fig. 3.

Fig. 5 is a schematic view of the movable gauge block structure of the present invention.

Fig. 6 is a schematic diagram of the structure of the elastic plate of the present invention.

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

1. a round-head measuring rod; 101. mounting holes; 2. fixing the gauge block; 201. a first locking hole; 202. a scale bar; 203. a threaded rod; 204. a first mounting groove; 3. a movable gauge block; 301. a second locking hole; 302. a scale hole; 303. an adjustment hole; 304. a second mounting groove; 4. a lock nut; 5. adjusting the nut; 6. an elastic plate; 7. a backing plate.

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 gear measuring tool subassembly structure, including button head survey stick 1, mounting hole 101, fixed gauge block 2, first locking hole 201, scale pole 202, threaded rod 203, first mounting groove 204, activity gauge block 3, second locking hole 301, scale hole 302, regulation hole 303, second mounting groove 304, lock nut 4, adjusting nut 5, elastic plate 6 and backing plate 7; the round-head measuring rod 1 is of a round rod structure with two contact balls at the lower ends, the round-head measuring rod 1 is respectively in threaded connection with the lower ends of the fixed measuring block 2 and the movable measuring block 3 through bolts, and the fixed measuring block 2 and the movable measuring block 3 are both in threaded connection with a locking nut 4 at the other end of each bolt; the fixed gauge block 2 and the movable gauge block 3 are both in a column cap-shaped structure with a cylinder at one end, and the cylinder ends of the fixed gauge block 2 and the movable gauge block 3 are connected with a bendable elastic plate 6 through screw threads; the movable gauge block 3 is connected to one side of the fixed gauge block 2 in a sliding mode, and an adjusting mechanism is arranged on the other side of the movable gauge block 3.

The round bar top of stick 1 is surveyed to the button head has seted up circular shape mounting hole 101, and the stick 1 is surveyed to the gear measuring tool through mounting hole 101 threaded connection button head, simple structure, and the staff of being convenient for changes the button head of different specifications according to the special gear of difference and surveys stick 1 and measure work.

Wherein, first circular shape locking hole 201 has been seted up at the cap side to fixed gage block 2, and fixed gage block 2 still offers the first mounting groove 204 of rectangle at the cylinder rear end to fixed gage block 2 has cylindric scale pole 202 with scale in cylindrical one side fusion welding, and the staff takes the measuring result through the measuring position of activity gage block 3 on scale pole 202, has improved the use convenience of structure.

Wherein, fixed gage block 2 has threaded rod 203 at cylindrical one side fusion welding, and threaded rod 203 goes up threaded connection has adjusting nut 5 to threaded rod 203 still has cuboid plate shape's backing plate 7 in adjusting nut 5 one side sliding fit, and the staff promotes activity gage block 3 through twisting reverse adjusting nut 5 and slides in fixed gage block 2 one side, seeks measuring position, simple structure, convenient operation.

Wherein, circular shape second locking hole 301 has been seted up at the cap side to activity gage block 3, and activity gage block 3 still sets up the second mounting groove 304 of rectangle at the cylinder rear end, and activity gage block 3 and fixed gage block 2 have elastic plate 6 through second mounting groove 304 and first mounting groove 204 threaded connection, and the staff of being convenient for when measuring rights round head survey stick 1 through elastic plate 6, reduces measuring error, has improved the practicality of structure.

The circular scale hole 302 is formed in the cylindrical side end of the movable gauge block 3, the circular adjusting hole 303 is further formed in the cylindrical side end of the movable gauge block 3, the adjusting hole 303 is located behind the scale hole 302, and the movable gauge block 3 is sleeved on one side of the fixed gauge block 2 through the scale hole 302 and the adjusting hole 303 to be adjusted in a sliding mode.

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

the staff selects suitable button head measuring rod 1 to install the lower extreme at fixed gage block 2 and activity gage block 3 according to the special gear of difference, then the staff twists lock nut 4 and adjusts the position of activity gage block 3, until two button head measuring rod 1 correctly contact between the teeth of a cogwheel of special gear symmetry both sides, the staff observes the position scale of activity gage block 3 on scale pole 202 again at last, obtain the measuring result, at the in-process of whole measurement work, the staff will hold elastic plate 6, avoid button head measuring rod 1 to take place the position skew, above this a series of structures, the error rate of gear measuring tool to special gear circle diameter measuring result has effectively been reduced, the measurement accuracy of gear measuring tool has been strengthened, the practicality of gear measuring tool has been improved.

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. Gear measuring tool subassembly structure, its characterized in that: the gear measuring tool component structure comprises a round head measuring rod (1), a mounting hole (101), a fixed measuring block (2), a first locking hole (201), a scale rod (202), a threaded rod (203), a first mounting groove (204), a movable measuring block (3), a second locking hole (301), a scale hole (302), an adjusting hole (303), a second mounting groove (304), a locking nut (4), an adjusting nut (5), an elastic plate (6) and a backing plate (7); the round-head measuring rod (1) is of a round rod structure with contact balls at the lower ends, the round-head measuring rod (1) is respectively in threaded connection with the lower ends of the fixed measuring block (2) and the movable measuring block (3) through bolts, and the fixed measuring block (2) and the movable measuring block (3) are both in threaded connection with a locking nut (4) at the other end of each bolt; the fixed gauge block (2) and the movable gauge block (3) are both in a column cap-shaped structure with a cylinder at one end, and the cylinder ends of the fixed gauge block (2) and the movable gauge block (3) are connected with a bendable elastic plate (6) through screw threads; the movable gauge block (3) is connected to one side of the fixed gauge block (2) in a sliding mode, and an adjusting mechanism is arranged on the other side of the movable gauge block (3).

2. The gear measurement tool assembly structure of claim 1 wherein: a round mounting hole (101) is formed above the round rod of the round head measuring rod (1).

3. The gear measurement tool assembly structure of claim 1 wherein: fixed gage block (2) have seted up first locking hole of circular shape (201) at the cap side, and fixed gage block (2) still offer first mounting groove of rectangle (204) at the cylinder rear end to fixed gage block (2) have cylindric scale pole (202) with scale at cylindrical one side fusion welding.

4. The gear measurement tool assembly structure of claim 1 wherein: fixed gage block (2) have threaded rod (203) at cylindrical one side fusion welding, and threaded connection has adjusting nut (5) on threaded rod (203), and threaded rod (203) still have cuboid slab form backing plate (7) in adjusting nut (5) one side sliding fit.

5. The gear measurement tool assembly structure of claim 1 wherein: the movable gauge block (3) is provided with a circular second locking hole (301) at the side end of the column cap, and the movable gauge block (3) is further provided with a rectangular second mounting groove (304) at the rear end of the cylinder.

6. The gear measurement tool assembly structure of claim 1 wherein: circular scale hole (302) have been seted up at the cylinder side in activity gage block (3), and circular shape regulation hole (303) have still been seted up at the cylinder side in activity gage block (3) to regulation hole (303) are located the rear of scale hole (302).