CN212144598U - Special drilling fixture for valve rocker shaft support - Google Patents
Special drilling fixture for valve rocker shaft support Download PDFInfo
- Publication number
- CN212144598U CN212144598U CN202020694933.6U CN202020694933U CN212144598U CN 212144598 U CN212144598 U CN 212144598U CN 202020694933 U CN202020694933 U CN 202020694933U CN 212144598 U CN212144598 U CN 212144598U
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- valve rocker
- shaft support
- block
- cushion
- cushion block
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Abstract
The utility model discloses a special drilling clamp for a valve rocker shaft support, which comprises a base, a supporting block, a cushion block and a bracket; the cushion block and the supporting block are fixedly connected to the base, and a clamping opening is formed above the supporting block; the bracket is fixedly connected to the base and positioned above the space between the supporting block and the cushion block, a threaded hole is formed in the bracket, and a locking bolt is arranged in the threaded hole; the cushion block is of a cylindrical structure, arc-shaped baffles are fixedly connected to two sides of the top end of the cushion block, the outer side surfaces of the baffles are flush with the outer side surfaces of the cushion block, and the arc edges of the baffles and the cushion block are concentrically arranged; the central lines of the cushion block, the supporting block and the locking bolt are on the same plane. The utility model discloses when using, the single clamping can realize the simultaneous processing in decompression shaft hole and rocking arm shaft hole, very big improvement work efficiency.
Description
Technical Field
The utility model relates to a machine tooling anchor clamps technical field especially relates to a drilling special fixture of valve rocker arm axle support.
Background
With the acceleration of the modern social process, the social function exerted by the engine is immeasurable, and great benefit is created for the society. The valve rocker shaft mount is an indispensable part of an engine, and as shown in fig. 1, the valve rocker shaft mount mainly includes a rocker shaft hole 101 for mounting a rocker shaft, a connecting screw hole 102 for connecting the rocker shaft mount 1 with a cylinder head, and a decompression shaft hole 103 for mounting a decompression shaft, and the bottom opening of the connecting screw hole 102 is a smooth bottom surface 104.
The relief shaft hole 103 is parallel to the axis of the rocker shaft hole 101, and these two holes need to be machined using a boring machine. In the prior art, two clamps are needed for processing the decompression shaft hole 103 and the rocker shaft hole 101, so that a single clamping can not be realized and two holes can be processed simultaneously, and thus the working efficiency is greatly reduced.
Therefore, it is necessary to provide a special drilling jig for the valve rocker shaft support to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling special fixture of valve rocker shaft support, the single clamping can realize processing when decompression shaft hole and rocker shaft hole, very big improvement work efficiency to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a special drilling clamp for a valve rocker shaft support comprises a base, a supporting block, a cushion block and a support; the cushion block and the supporting block are fixedly connected to the base, and a clamping opening is formed above the supporting block; the support is fixedly connected to the base and located above the space between the supporting block and the cushion block, a threaded hole is formed in the support, and a locking bolt is arranged in the threaded hole.
The utility model discloses a further improvement is, the cushion is cylindric structure, the curved baffle of both sides fixedly connected with on cushion top, the lateral surface and the cushion lateral surface parallel and level of baffle, and the arc limit of baffle sets up with the cushion is concentric.
The utility model discloses a further improvement scheme is, cushion, supporting shoe and locking bolt's central line is on the coplanar.
The utility model discloses a further improvement scheme is, base length direction's both ends are equipped with half hole of echelonment of U style of calligraphy.
The utility model discloses a further improvement scheme is, the mouth that presss from both sides on the supporting shoe is the V style of calligraphy.
The utility model has the further improvement that the bracket comprises a first upright post, a second upright post and a cross bar; the first upright post and the second upright post are in an inverted L shape and are symmetrically and fixedly connected to the bases on two sides between the cushion block and the supporting block; one end of the cross rod is rotatably connected to the first upright post, and the other end of the cross rod is detachably connected to the second upright post.
The utility model discloses a further improvement is, first stand is equipped with first breach and second breach with the inboard on second stand top, and the upper and lower wall department of first breach is equipped with the through-hole, and the upper and lower wall department of second breach is equipped with the screw hole that link up, and the both ends of horizontal pole all are equipped with the connecting block, are equipped with the connecting hole on the connecting block, and wherein one end connecting block passes through pin joint in first breach department, and other end connecting block passes through the fastener and connects in second breach department.
The utility model discloses a further improvement is, the fastener is one end fixedly connected with plum blossom nut's screw rod.
The utility model discloses a further improvement scheme is, locking bolt connects on the horizontal pole.
The utility model has the advantages that:
first, the utility model discloses a boring special fixture of valve rocker shaft support, single clamping can realize the simultaneous processing in decompression shaft hole and rocking arm shaft hole, very big improvement work efficiency.
Second, the utility model discloses a boring special fixture of valve rocker shaft support, cushion are cylindric structure, just laminate with the bottom of being connected the screw, and are more convenient during the clamping.
Third, the utility model discloses a drilling special fixture of valve rocker shaft support, the curved baffle of both sides fixedly connected with on cushion top, two baffles just block the outer wall of connecting the screw during clamping, more firm reliable when guaranteeing the clamping.
Fourth, the utility model discloses a drilling special fixture of valve rocker shaft support, base length direction's both ends are equipped with half hole of echelonment of U style of calligraphy, make things convenient for being connected of anchor clamps and boring machine workstation.
Fifth, the utility model discloses a drilling special fixture of valve rocker shaft support, the support adopts the split type structure of stand and horizontal pole, gets more quick convenience when putting valve rocker shaft support.
Sixth, the utility model discloses a drilling special fixture of valve rocker shaft support, fastener adopt the screw rod that has plum blossom nut, and it is more convenient during dismouting stand and horizontal pole.
Drawings
Fig. 1 is a schematic structural view of a valve rocker shaft support.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a schematic structural diagram of the present invention in an operating state.
In the figure: the hydraulic support comprises a 1-valve rocker shaft support, a 101-rocker shaft hole, a 102-connecting screw hole, a 103-decompression shaft hole, a 104-bottom surface, a 2-base, a 201-half hole, a 3-supporting block, a 301-clamping opening, a 4-cushion block, a 401-baffle, a 5-support, a 501-first upright column, a 502-second upright column, a 503-cross bar, a 504-first notch, a 505-second notch, a 506-pin, a 507-plum-blossom nut, a 508-screw, a 509-connecting block and a 6-locking bolt.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Example 1: as shown in fig. 2 to 4, a special drilling fixture for a valve rocker shaft support comprises a base 2, a support block 3, a cushion block 4 and a bracket 5; the cushion block 4 and the supporting block 3 are welded on the base 2, and a clamping opening 301 is arranged above the supporting block 3; the bracket 5 is fixedly connected to the base 2, the bracket 5 is positioned above the space between the supporting block 3 and the cushion block 4, a threaded hole is formed in the bracket 5, and a locking bolt 6 is arranged in the threaded hole; the cushion block 4 is of a cylindrical structure, arc-shaped baffles 401 are welded on two sides of the top end of the cushion block 4, the outer side faces of the baffles 401 are flush with the outer side faces of the cushion block 4, and the arc edges of the baffles 401 are concentrically arranged with the cushion block 4; the central lines of the cushion block 4, the supporting block 3 and the locking bolt 6 are on the same plane; two ends of the base 2 in the length direction are provided with U-shaped stepped half holes 201; the clamping opening 301 on the supporting block 3 is V-shaped.
The specific working principle of this embodiment is as follows:
as shown in fig. 5, when in use, the base 2 is fixedly connected with a workbench of a boring machine; the outer wall of a pressure reducing shaft hole 103 of the valve rocker shaft support 1 is arranged at a clamping opening 301 of the support block 3, a bottom opening of the connecting screw hole 102 is arranged above the cushion block 4, the outer wall of the connecting screw hole 102 is just clamped by the two baffle plates 401 at the moment, the locking bolt 6 is screwed clockwise, the locking bolt 6 moves downwards to be in contact with the bottom surface 104, the clamping of the valve rocker shaft support 1 is realized, the pressure reducing shaft hole 103 and the rocker shaft hole 101 are just exposed at the moment, and two holes are machined at the same time in a single clamping mode.
Example 2: the embodiment is a further improvement of the embodiment 1, and the main improvement is that in the use of the embodiment 1, the valve rocker shaft support 1 needs to be plugged into the cushion block 4 and the support block 3 from the bottom of the support 5, and the plugging is troublesome; in the present embodiment, the above-mentioned defects can be avoided, specifically:
the bracket 5 comprises a first upright 501, a second upright 502 and a cross bar 503; the first upright column 501 and the second upright column 502 are inverted L-shaped, and the first upright column 501 and the second upright column 502 are symmetrically welded on the bases 2 at two sides between the cushion block 4 and the supporting block 3; one end of the cross rod 503 is rotatably connected to the first upright column 501, and the other end of the cross rod is detachably connected to the second upright column 502; the inner sides of the top ends of the first upright column 501 and the second upright column 502 are provided with a first notch 504 and a second notch 505, the upper wall and the lower wall of the first notch 504 are provided with through holes, the upper wall and the lower wall of the second notch 505 are provided with through threaded holes, two ends of the cross rod 503 are provided with connecting blocks 509, the connecting blocks 509 are provided with connecting holes, wherein one end of the connecting block 509 is connected to the first notch 504 through a pin 506, and the other end of the connecting block 509 is connected to the second notch 505 through a fastener; the fastener is a screw 508 with one end fixedly connected with a plum blossom nut 507; the locking bolt 6 is connected to the cross rod 503; when the valve rocker shaft support 1 is used, if the valve rocker shaft support 1 needs to be disassembled and assembled, the plum blossom nut 507 can be screwed counterclockwise, the screw 508 is separated from the connecting block 509, and after the cross rod 503 is rotated, the valve rocker shaft support 1 is placed in; the support 5 of this embodiment adopts the split type structure of stand and horizontal pole 503, gets more convenient fast when getting valve rocker shaft support 1.
Otherwise, this embodiment is identical to embodiment 1, and will not be described herein.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a drilling special fixture of valve rocker shaft support which characterized in that: comprises a base (2), a supporting block (3), a cushion block (4) and a bracket (5); the cushion block (4) and the supporting block (3) are fixedly connected to the base (2), and a clamping opening (301) is formed above the supporting block (3); support (5) fixed connection is on base (2), and support (5) are located the top between supporting shoe (3) and cushion (4), are equipped with the screw hole on support (5), are equipped with locking bolt (6) in the screw hole.
2. The special drilling jig for the shaft support of the valve rocker arm as claimed in claim 1, wherein: cushion (4) are cylindric structure, and both sides fixedly connected with curved baffle (401) on cushion (4) top, the lateral surface and cushion (4) lateral surface parallel and level of baffle (401), and the arc limit of baffle (401) sets up with one heart with cushion (4).
3. The special drilling jig for the valve rocker shaft support according to claim 2, characterized in that: the central lines of the cushion block (4), the supporting block (3) and the locking bolt (6) are on the same plane.
4. The special drilling jig for the shaft support of the valve rocker arm as claimed in claim 1, wherein: two ends of the base (2) in the length direction are provided with U-shaped stepped half holes (201).
5. The special drilling jig for the shaft support of the valve rocker arm as claimed in claim 1, wherein: the clamping opening (301) on the supporting block (3) is V-shaped.
6. The special jig for drilling a valve rocker shaft support according to any one of claims 1 to 5, wherein: the support (5) comprises a first upright post (501), a second upright post (502) and a cross bar (503); the first upright column (501) and the second upright column (502) are in an inverted L shape, and the first upright column (501) and the second upright column (502) are symmetrically and fixedly connected to the base (2) at two sides between the cushion block (4) and the supporting block (3); one end of the cross rod (503) is rotatably connected to the first upright post (501), and the other end of the cross rod is detachably connected to the second upright post (502).
7. The special drilling jig for the shaft support of the valve rocker arm according to claim 6, characterized in that: first stand (501) and the inboard on second stand (502) top are equipped with first breach (504) and second breach (505), the upper and lower wall department of first breach (504) is equipped with the through-hole, the upper and lower wall department of second breach (505) is equipped with the screw hole that link up, the both ends of horizontal pole (503) all are equipped with connecting block (509), be equipped with the connecting hole on connecting block (509), wherein one end connecting block (509) are connected in first breach (504) department through pin (506), other end connecting block (509) are connected in second breach (505) department through the fastener.
8. The special drilling jig for the shaft support of the valve rocker arm according to claim 7, characterized in that: the fastener is a screw rod (508) with one end fixedly connected with a plum blossom nut (507).
9. The special drilling jig for the shaft support of the valve rocker arm according to claim 8, characterized in that: the locking bolt (6) is connected to the cross rod (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694933.6U CN212144598U (en) | 2020-04-30 | 2020-04-30 | Special drilling fixture for valve rocker shaft support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694933.6U CN212144598U (en) | 2020-04-30 | 2020-04-30 | Special drilling fixture for valve rocker shaft support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212144598U true CN212144598U (en) | 2020-12-15 |
Family
ID=73721340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020694933.6U Active CN212144598U (en) | 2020-04-30 | 2020-04-30 | Special drilling fixture for valve rocker shaft support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212144598U (en) |
-
2020
- 2020-04-30 CN CN202020694933.6U patent/CN212144598U/en active Active
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