CN214134915U - Boring positioning tool for engine connecting rod - Google Patents
Boring positioning tool for engine connecting rod Download PDFInfo
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- CN214134915U CN214134915U CN202023021535.7U CN202023021535U CN214134915U CN 214134915 U CN214134915 U CN 214134915U CN 202023021535 U CN202023021535 U CN 202023021535U CN 214134915 U CN214134915 U CN 214134915U
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- connecting rod
- base
- expansion plate
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Abstract
The utility model discloses a be used for engine connecting rod bore hole location frock, including base expansion plate and third spacing groove expansion plate, the inside basal surface of base expansion plate is provided with the fixing base expansion plate, and the top of fixing base expansion plate installs the expansion plate, the top of expansion plate is provided with first spacing groove expansion plate and second spacing groove expansion plate, one side of expansion plate is provided with first rack expansion plate, and installs the gear expansion plate in one side of first rack expansion plate, one side of gear expansion plate is provided with the second rack expansion plate. This be used for engine connecting rod bore hole location frock drives the driving chain through external drive device and rotates, and driving chain drive gear rotates, and the gear drives first rack and second rack and reciprocates, and first rack and second rack move first spacing groove and second spacing groove and move to base 1 center, and it is fixed to carry out spacing with the bore hole upper and lower surface at connecting rod main part both ends.
Description
Technical Field
The utility model relates to an engine connecting rod technical field specifically is a be used for engine connecting rod bore hole location frock.
Background
The engine connecting rod is mainly used for bearing the pressure of combustion gas, transmitting the force to the connecting rod through the piston pin and then transmitting the force to the crankshaft, converting the reciprocating motion of the piston into the rotating motion of the crankshaft, and can be further subdivided into a piston group and a connecting rod group, a positioning tool is required in the boring processing process of the engine connecting rod, the engine connecting rod is one of very common parts in life, along with the development of times, the development of a motorcycle is better and better, the requirement on the connecting rod is increased, namely the connecting rod boring positioning tool is required to be fixed and limited, but the existing engine connecting rod boring positioning tool has some defects:
the existing engine connecting rod boring positioning tool is not multi-directional and limited, most of the engine connecting rod boring positioning tool is fixed on two sides and limited, so that the engine connecting rod boring positioning tool is unstable, easy to cause deviation, influences subsequent operation procedures, is limited in application range and low in practicability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for engine connecting rod bore hole location frock to what provide among the above-mentioned background art does not possess diversified spacing fixed problem.
In order to achieve the above object, the utility model provides a following technical scheme: a boring positioning tool for an engine connecting rod comprises a base and a third limiting groove, wherein a fixed seat is arranged on the inner bottom surface of the base, a telescopic plate is arranged above the fixed seat, a first limiting groove and a second limiting groove are arranged above the telescopic plate, a first rack is arranged on one side of the telescopic plate, a gear is arranged on one side of the first rack, a second rack is arranged on one side of the gear, a fixed groove is arranged on one side of the second rack, the upper end of the second rack is positioned inside the fixed groove, a connecting plate is arranged below the second rack, a fixed column is arranged inside the base, a connecting rod main body is arranged on one side below the fixed column, fixed rods are connected with the left end and the right end of the inner wall of the base, a rotating plate is arranged on one side of the fixed rods, an installation pipe is arranged below the fixed rods, and one end of the installation pipe is embedded in the inner wall of the base, the installation pipe is characterized in that a first movable plate is arranged above the inner portion of the installation pipe, a first movable rod is installed on one side of the first movable plate, one end of the first movable rod is located outside the installation pipe, a second movable plate is arranged below the inner portion of the installation pipe, a second movable rod is installed on one side of the second movable plate, and a third limiting groove is connected to one side of the second movable rod.
Preferably, the fixing base and the expansion plate form a telescopic structure, and the fixing base and the expansion plate are symmetrically provided with 2 pieces about the central line of the base.
Preferably, the first limiting groove and the second limiting groove are arc-shaped, and the number of the first limiting groove and the number of the second limiting groove are 2 about the central line of the base symmetrically.
Preferably, the first rack and the second rack are in meshed connection with the gear, the first rack and the second rack are arranged symmetrically about the center of the gear, and the first rack and the second rack are in an "L" shape.
Preferably, the first moving plate and the second moving plate and the mounting tube form a sliding structure, and the moving directions of the first moving plate and the second moving plate are opposite.
Preferably, the third limiting groove is arc-shaped, and the number of the third limiting grooves is 2 about the central line of the base.
Compared with the prior art, the beneficial effects of the utility model are that: the boring positioning tool for the engine connecting rod,
1. the external driving device drives the transmission chain to rotate, the transmission chain drives the gears to rotate, the gears drive the first rack and the second rack to move up and down, the first rack and the second rack drive the first limiting groove and the second limiting groove to move towards the center of the base until the upper surface and the lower surface of the boring holes at the two ends of the connecting rod main body are limited and fixed, and the operation is simple;
2. when the second gear drives the connecting plate to move downwards until the connecting plate drives the rotating plate and the fixed rod to rotate, the rotating plate extrudes the first moving rod, the first moving rod drives the first moving plate to slide in the installation pipe, and because the installation pipe is sealed, the second moving rod is driven by the second moving plate to move towards the connecting rod main body due to the action of air pressure, the second moving rod drives the third limiting groove to move towards the connecting rod main body until the third limiting groove limits the side surface of the connecting rod main body, and the comprehensive limiting and fixing can be performed on the connecting rod main body under the action of the first limiting groove and the second limiting groove;
3. because the effect of fixing base, expansion plate, fixed slot for first rack and second rack are more stable when reciprocating, prevent that it from taking place the skew, improve holistic centre gripping fixed stability, the practicality is high.
Drawings
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the third limiting groove and the connecting rod main body of the present invention;
FIG. 3 is a schematic view of the structure of the base of the present invention;
fig. 4 is an enlarged schematic view of fig. 1 according to the present invention.
In the figure: 1. a base; 2. a fixed seat; 3. a retractable plate; 4. a first limit groove; 5. a second limit groove; 6. a first rack; 7. a gear; 8. a second rack; 9. fixing grooves; 10. a connecting plate; 11. fixing a column; 12. a connecting rod main body; 13. fixing the rod; 14. a rotating plate; 15. installing a pipe; 16. a first moving plate; 17. a first movable bar; 18. a second moving plate; 19. a second movable bar; 20. and a third limiting groove.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a boring positioning tool for an engine connecting rod comprises a base 1, a fixed seat 2, a telescopic plate 3, a first limiting groove 4, a second limiting groove 5, a first rack 6, a gear 7, a second rack 8, a fixed groove 9, a connecting plate 10, a fixed column 11, a connecting rod main body 12, a fixed rod 13, a rotating plate 14, a mounting pipe 15, a first moving plate 16, a first moving rod 17, a second moving plate 18, a second moving rod 19 and a third limiting groove 20, wherein the fixed seat 2 is arranged on the bottom surface of the inner portion of the base 1, the telescopic plate 3 is arranged above the fixed seat 2, the first limiting groove 4 and the second limiting groove 5 are arranged above the telescopic plate 3, the first rack 6 is arranged on one side of the telescopic plate 3, the gear 7 is arranged on one side of the first rack 6, the second rack 8 is arranged on one side of the gear 7, the fixed groove 9 is arranged on one side of the second rack 8, and the upper end of the second rack 8 is positioned inside the fixed groove 9, the connecting plate 10 is arranged below the second rack 8, the fixed column 11 is arranged inside the base 1, the connecting rod main body 12 is arranged on one side of the lower portion of the fixed column 11, the fixed rods 13 are connected to the left end and the right end of the inner wall of the base 1, the rotating plate 14 is arranged on one side of the fixed rods 13, the installation pipe 15 is arranged below the fixed rods 13, one end of the installation pipe 15 is installed in the inner wall of the base 1 in an embedded mode, the first movable plate 16 is arranged above the inner portion of the installation pipe 15, the first movable rod 17 is installed on one side of the first movable plate 16, one end of the first movable rod 17 is located outside the installation pipe 15, the second movable plate 18 is arranged below the inner portion of the installation pipe 15, the second movable rod 19 is installed on one side of the second movable plate 18, and the third limiting groove 20 is connected to one side of the second movable rod 19.
The first movable plate 16 and the second movable plate 18 and the installation pipe 15 form a sliding structure, the moving directions of the first movable plate 16 and the second movable plate 18 are opposite, the third limiting groove 20 is arc-shaped, the third limiting groove 20 is symmetrically provided with 2 about the central line of the base 1, the first movable plate 16 and the second movable plate 18 drive the first moving rod 17 and the second moving rod 19 to move left and right, the second moving rod 19 drives the third limiting groove 20 to clamp the side face of the connecting rod main body 12, and the first limiting groove 4 and the second limiting groove 5 are matched to clamp the connecting rod main body 12 in multiple directions.
The working principle is as follows: when the tool for positioning the boring hole of the engine connecting rod is used, firstly, the device is moved to a required place, then, a worker stably places the whole device through the base 1, when the connecting rod main body 12 is clamped in a limiting way, the connecting rod main body 12 is firstly placed on an access plate on the surface of the fixed column 11, a driving device on the rear surface of the base 1 is opened, the driving device drives the transmission chain to rotate, the transmission chain drives the gear 7 to rotate, the gear 7 drives the first rack to move downwards, the gear 7 drives the second rack 8 to move upwards, the second rack 8 drives the connecting plate 10 to move downwards, the connecting plate 10 drives the second limiting groove 5 to move downwards, the first rack 6 drives the expansion plate 3 to move upwards, the expansion plate 3 drives the first limiting groove 4 to move upwards until the first limiting groove 4 and the second limiting groove 5 fix and limit the upper surface and the lower surface of the boring hole on two sides of the connecting rod main body 12, meanwhile, when the second rack 8 drives the connecting plate 10 to move downwards, the connecting plate 10 abuts against the rotating plate 14 and drives the rotating plate 14 to rotate on the fixed rod 13 until the rotating plate 14 is vertical, so that the rotating plate 14 extrudes the first moving rod 17, the first moving rod 17 extrudes the first moving plate 16, the first moving plate 16 moves in the installation tube 15, and the second moving rod 18 drives the second moving rod 19 to move under the action of the upper air pressure due to the sealing inside of the installation tube 15, so that the second moving rod 19 drives the third limiting groove 20 to move towards the connecting rod main body 12, namely the third limiting groove 20 limits and fixes the side surface of the connecting rod main body 12, and the connecting rod main body 12 can be limited and fixed in multiple directions under the action of the first limiting groove 4 and the second limiting groove 5, and because of the fixed seat 2, make first rack 6 drive expansion plate 3 more stable when reciprocating, increased holistic practicality.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a be used for engine connecting rod bore hole location frock, includes base (1) and third spacing groove (20), its characterized in that: the inner bottom surface of the base (1) is provided with a fixing seat (2), a telescopic plate (3) is installed above the fixing seat (2), a first limiting groove (4) and a second limiting groove (5) are arranged above the telescopic plate (3), a first rack (6) is arranged on one side of the telescopic plate (3), a gear (7) is installed on one side of the first rack (6), a second rack (8) is arranged on one side of the gear (7), a fixing groove (9) is installed on one side of the second rack (8), the upper end of the second rack (8) is located inside the fixing groove (9), a connecting plate (10) is arranged below the second rack (8), a fixing column (11) is installed inside the base (1), a connecting rod main body (12) is arranged on one side below the fixing column (11), and fixing rods (13) are connected to the left end and the right end of the inner wall of the base (1), and rotating plate (14) is installed to one side of dead lever (13), the below of dead lever (13) is provided with installation pipe (15), and the embedded installation of the one end of installation pipe (15) is in base (1) inner wall, the inside top of installation pipe (15) is provided with first movable plate (16), and first movable rod (17) is installed to one side of first movable plate (16) to the one end of first movable rod (17) is located the outside of installation pipe (15), the inside below of installation pipe (15) is provided with second movable plate (18), and second movable rod (19) is installed to one side of second movable plate (18) to one side of second movable rod (19) is connected with third spacing groove (20).
2. The boring positioning tool for the engine connecting rod according to claim 1, characterized in that: fixing base (2) and expansion plate (3) constitute extending structure, and fixing base (2) and expansion plate (3) are provided with 2 about base (1) central line symmetry.
3. The boring positioning tool for the engine connecting rod according to claim 1, characterized in that: the first limiting groove (4) and the second limiting groove (5) are arc-shaped, and the number of the first limiting groove (4) and the number of the second limiting groove (5) are 2 about the central line of the base (1) symmetrically.
4. The boring positioning tool for the engine connecting rod according to claim 1, characterized in that: the first rack (6) and the second rack (8) are in meshed connection with the gear (7), the first rack (6) and the second rack (8) are arranged in a central symmetry mode around the gear (7), and the first rack (6) and the second rack (8) are in an L shape.
5. The boring positioning tool for the engine connecting rod according to claim 1, characterized in that: the first moving plate (16) and the second moving plate (18) and the mounting tube (15) form a sliding structure, and the moving directions of the first moving plate (16) and the second moving plate (18) are opposite.
6. The boring positioning tool for the engine connecting rod according to claim 1, characterized in that: the third limiting groove (20) is arc-shaped, and the number of the third limiting grooves (20) is 2 along the central line of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023021535.7U CN214134915U (en) | 2020-12-16 | 2020-12-16 | Boring positioning tool for engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023021535.7U CN214134915U (en) | 2020-12-16 | 2020-12-16 | Boring positioning tool for engine connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214134915U true CN214134915U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023021535.7U Active CN214134915U (en) | 2020-12-16 | 2020-12-16 | Boring positioning tool for engine connecting rod |
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| Country | Link |
|---|---|
| CN (1) | CN214134915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118218644A (en) * | 2024-05-23 | 2024-06-21 | 河南河一工精密工具有限公司 | Axle drilling tool |
-
2020
- 2020-12-16 CN CN202023021535.7U patent/CN214134915U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118218644A (en) * | 2024-05-23 | 2024-06-21 | 河南河一工精密工具有限公司 | Axle drilling tool |
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