CN215296206U - Thread pitch diameter measuring instrument - Google Patents
Thread pitch diameter measuring instrument Download PDFInfo
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- CN215296206U CN215296206U CN202120878209.3U CN202120878209U CN215296206U CN 215296206 U CN215296206 U CN 215296206U CN 202120878209 U CN202120878209 U CN 202120878209U CN 215296206 U CN215296206 U CN 215296206U
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Abstract
The utility model relates to the technical field of thread pitch diameter measurement, in particular to a thread pitch diameter measuring instrument, which solves the defects existing in the prior art and comprises a base plate, wherein a sliding plate is slidably arranged at the top of the base plate, the top of the base plate is fixedly connected with a fixed plate through screws, a first detection head and a second detection head are respectively fixed on one side of the sliding plate and one side of the fixed plate through screws, one side of the first detection head is in a groove shape, and the second detection head is in a pyramid shape; through the setting of sliding plate, fixed plate, displacement inductor, display module and control module isotructure, operation knob during the measurement for the sliding plate drives first detection head one side, and two detection heads support the back tightly with the screw member, and the tip that detects the head compresses tightly at pitch diameter measurement point department, thereby directly detect out the pitch diameter, can show data directly perceivedly in display module through displacement inductor output signal, has improved detection efficiency.
Description
Technical Field
The utility model relates to a technical field is measured to the screw thread pitch diameter, especially relates to a screw thread pitch diameter measuring apparatu.
Background
The field of domestic machining is rapidly developing, but machining detection means and detection tools such as turning, thread milling, spiral grooves and the like are always subjected to a traditional three-wire measurement method, and the three-wire measurement method is a method for indirectly measuring the pitch diameter of the threads. During measurement, three measuring pins with high precision and the same diameter are placed in the tooth sockets of the measured screw thread, the measuring instruments for measuring the external dimension such as a micrometer, a mechanical comparator, an optical comparator, a length measuring instrument and the like are used for measuring the dimension, and then the pitch, the tooth form half angle and the measuring pin diameter of the measured screw thread are used for calculating the pitch diameter of the screw thread.
In the prior art, a three-needle measurement method is adopted, although the detection is accurate, the operation steps are complex, the efficiency is low, in addition, the workpiece is manually supported by personnel in the detection process, and the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of low efficiency and inconvenient operation in the prior art and providing a thread pitch diameter measuring instrument.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a thread pitch diameter measuring instrument comprises a base plate, wherein a sliding plate is slidably mounted at the top of the base plate, the top of the base plate is fixedly connected with a fixed plate through screws, a first detection head and a second detection head are respectively fixed on one sides of the sliding plate and the fixed plate through screws, one side of the first detection head is in a groove shape, and the second detection head is in a pyramid shape;
the bottom of the base plate is fixed with a mounting seat through a countersunk bolt, the mounting seat is respectively provided with a display module and a control module, one side of the sliding plate is provided with a displacement sensor, and the displacement sensor and the display module are electrically connected with the control module.
Preferably, the top of the base plate is provided with a placing slotted hole, and two sides of the inner wall of the placing slotted hole are provided with chucks in a sliding manner.
Preferably, the inside of the base plate is provided with a sliding hole and a through groove which are communicated with the placing groove hole, a pressing rod is embedded in the sliding hole, one end of the pressing rod is fixedly connected with the chuck, the chuck is embedded in the through groove, and the other end of the pressing rod is welded with the moving plate.
Preferably, both sides of the base plate are connected with supports through countersunk screws, a screw rod is rotatably installed between the two supports through a bearing, a guide rod is welded between the two supports, a through hole and a threaded hole are respectively formed in the movable plate, the screw rod is in threaded connection with the threaded hole, and the guide rod is in sliding connection with the through hole.
Preferably, the top of the base plate is provided with a sliding groove, the sliding plate is connected with the sliding groove in a sliding mode, a lead screw is rotatably mounted inside the sliding groove through a bearing, and a knob is fixed to one end of the lead screw through a screw.
Preferably, the sliding plate is provided with a mounting hole inside, a ball nut is fixed inside the mounting hole through a countersunk screw, and the screw rod is sleeved inside the ball nut.
The utility model has the advantages that:
1. the utility model discloses in through the setting of sliding plate, fixed plate, displacement inductor, display module and control module isotructure, operation knob during the measurement for the sliding plate drives first detection head one side, and two detection heads support tight back with the screw member, and the tip that detects the head compresses tightly in pitch diameter measurement point department, thereby directly detects out the pitch diameter, can show data directly perceivedly in display module through displacement inductor output signal, has improved detection efficiency.
2. The utility model discloses in through the chuck, place the setting of slotted hole isotructure, the one end of screw is inserted to placing the slotted hole in, the chuck of usable below is fixed with the work piece clamp is tight, the personnel of being convenient for operate.
Drawings
Fig. 1 is a schematic structural view of a thread pitch diameter measuring instrument according to the present invention;
fig. 2 is an enlarged view of a position a of the thread pitch diameter measuring instrument provided by the present invention;
fig. 3 is a partial cross-sectional view of a substrate according to the present invention.
In the figure: the device comprises a base plate 1, a mounting base 2, a display module 3, a control module 4, a sliding chute 5, a lead screw 6, a sliding plate 7, a first detection head 8, a fixed plate 9, a second detection head 10, a knob 11, a slotted hole 12 for placing, a movable plate 13, a screw 14, a guide rod 15, a bracket 16, a pressure lever 17, a chuck 18 and a through groove 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a thread pitch diameter measuring instrument includes a base plate 1, a sliding plate 7 is slidably mounted on the top of the base plate 1, the top of the base plate 1 is fixedly connected with a fixing plate 9 through screws, a first detecting head 8 and a second detecting head 10 are respectively fixed on one side of the sliding plate 7 and one side of the fixing plate 9 through screws, one side of the first detecting head 8 is groove-shaped, and the second detecting head 10 is pyramid-shaped; the bottom of base plate 1 is fixed with mount pad 2 through countersunk head bolt, installs display module 3 and control module 4 on the mount pad 2 respectively, and the displacement inductor is installed to one side of sliding plate 7, and displacement inductor and display module 3 all with control module 4 electric connection.
Wherein, through the sliding plate 7, the fixed plate 9, the displacement inductor, the setting of display module 3 and control module 4 isotructure, operation knob 11 during the measurement, make the sliding plate 7 drive first detection head 8 one side, two detect the head and support the back tightly with the screw member, the tip of detecting the head compresses tightly at the pitch diameter measuring point department, thereby directly detect out the pitch diameter, can show data directly perceivedly in display module 3 through displacement inductor output signal, detection efficiency has been improved, through chuck 18, place the setting of slotted hole 12 isotructure, the one end of screw member is inserted to placing slotted hole 12 in, chuck 18 of usable below is fixed with the work piece clamp, the personnel of being convenient for operate.
The top of the base plate 1 is provided with a placing groove hole 12, two sides of the inner wall of the placing groove hole 12 are both provided with chucks 18 in a sliding manner, the inside of the base plate 1 is provided with a sliding hole and a through groove 19 which are communicated with the placing groove hole 12, a pressing rod 17 is embedded in the sliding hole, one end of the pressing rod 17 is fixedly connected with the chucks 18, the chucks 18 are embedded in the through groove 19, the other end of the pressing rod 17 is welded with a movable plate 13, two sides of the base plate 1 are both connected with brackets 16 through countersunk screws, a screw 14 is rotatably installed between the two brackets 16 through a bearing, a guide rod 15 is welded between the two brackets 16, the inside of the movable plate 13 is respectively provided with a through hole and a threaded hole, the screw 14 is in threaded connection with the threaded hole, the guide rod 15 is slidably connected with the through hole, the top of the base plate 1 is provided with a sliding groove 5, the sliding plate 7 is slidably connected with the sliding groove 5, and the screw 6 is rotatably installed in the sliding groove 5 through a bearing, the knob 11 is fixed to one end of the screw 6 through a screw, the mounting hole is formed in the sliding plate 7, the ball nut is fixed to the inside of the mounting hole through a countersunk screw, and the screw 6 is sleeved inside the ball nut.
In this embodiment, during measurement, one end of a workpiece is placed inside the placing slot 12, the second detection head 10 is in close contact with the middle diameter point of the screw teeth of the workpiece, and then after the operation screw 14 rotates, the action moving plate 13 slides along the guide rod 15, so that the two chucks 18 are driven to clamp and fix the part of the workpiece inside the placing slot 12;
further, the staff operates the knob 11 once more, drives the lead screw 6 to rotate, makes the sliding plate 7 slide towards the fixed plate 9 under the lead screw 6 effect, and after first detection head 8 and the measuring point position of the pitch diameter of the workpiece screw tooth are attached tightly, the displacement inductor transmits the current displacement data to the control module 4, and the data is output to the display module 3 through the control module 4, and the numerical value of the pitch diameter is directly displayed, so that the measurement is completed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The thread pitch diameter measuring instrument comprises a base plate (1) and is characterized in that a sliding plate (7) is slidably mounted at the top of the base plate (1), the top of the base plate (1) is fixedly connected with a fixing plate (9) through screws, a first detecting head (8) and a second detecting head (10) are respectively fixed on one sides of the sliding plate (7) and the fixing plate (9) through screws, one side of the first detecting head (8) is in a groove shape, and the second detecting head (10) is in a pyramid shape;
the bottom of base plate (1) is fixed with mount pad (2) through countersunk head bolt, install display module (3) and control module (4) on mount pad (2) respectively, one side of sliding plate (7) is installed the displacement inductor, displacement inductor and display module (3) all with control module (4) electric connection.
2. The thread pitch diameter measuring instrument according to claim 1, wherein a placing slot hole (12) is formed in the top of the base plate (1), and chucks (18) are slidably arranged on both sides of the inner wall of the placing slot hole (12).
3. The thread pitch diameter measuring instrument according to claim 2, wherein a sliding hole and a through groove (19) communicated with the placing groove hole (12) are formed in the base plate (1), a pressing rod (17) is embedded in the sliding hole, one end of the pressing rod (17) is fixedly connected with the chuck (18), the chuck (18) is embedded in the through groove (19), and a moving plate (13) is welded to the other end of the pressing rod (17).
4. The thread pitch diameter measuring instrument according to claim 3, wherein two sides of the base plate (1) are connected with brackets (16) through countersunk screws, a screw (14) is rotatably mounted between the two brackets (16) through a bearing, a guide rod (15) is welded between the two brackets (16), a through hole and a threaded hole are respectively formed in the movable plate (13), the screw (14) is in threaded connection with the threaded hole, and the guide rod (15) is in sliding connection with the through hole.
5. The thread pitch diameter measuring instrument according to claim 1, wherein a sliding groove (5) is formed in the top of the base plate (1), the sliding plate (7) is slidably connected with the sliding groove (5), a lead screw (6) is rotatably mounted inside the sliding groove (5) through a bearing, and a knob (11) is fixed to one end of the lead screw (6) through a screw.
6. A screw pitch diameter measuring instrument according to claim 5, wherein a mounting hole is formed in the sliding plate (7), a ball nut is fixed in the mounting hole through a countersunk head screw, and the lead screw (6) is sleeved in the ball nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120878209.3U CN215296206U (en) | 2021-04-27 | 2021-04-27 | Thread pitch diameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120878209.3U CN215296206U (en) | 2021-04-27 | 2021-04-27 | Thread pitch diameter measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296206U true CN215296206U (en) | 2021-12-24 |
Family
ID=79538141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120878209.3U Active CN215296206U (en) | 2021-04-27 | 2021-04-27 | Thread pitch diameter measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215296206U (en) |
-
2021
- 2021-04-27 CN CN202120878209.3U patent/CN215296206U/en active Active
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