Cylinder cover fixing tool

By introducing an adjustable shelf and a multi-component design into the cylinder head fixing fixture, the problem of poor versatility of the cylinder head fixing fixture is solved, achieving higher versatility and inspection accuracy, and reducing inspection costs.

CN223763045UActive Publication Date: 2026-01-06GUANGZHOU ZHENGYANG ELECTROMECHANICAL EQUIP MFG CO LTD
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Patent Information

Application Number
CN202423278707.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-06
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing cylinder head fixing fixtures have poor versatility, resulting in high testing costs and an inability to meet the fixing requirements of different cylinder heads.

Method used

A cylinder head fixing fixture was designed, including a mounting plate, a shelf, a vertical guide post, a limiting component, a positioning component, a lateral limiting component, and a support component. By adjusting the position and height of these components on the vertical guide post, the cylinder head can be flexibly fixed, enhancing versatility and inspection accuracy.

Benefits of technology

It improves the versatility of cylinder head fixing fixtures, reduces inspection costs, and restricts cylinder head movement in the X, Y, and Z directions, thereby improving inspection accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of automobile part machining equipment, and particularly discloses a cylinder cover fixing tool which comprises a mounting plate, storage racks, vertical guide columns, a limiting assembly, a positioning assembly, a lateral limiting assembly and a supporting assembly, a plurality of uniformly distributed mounting holes are formed in the mounting plate, the storage racks are connected with the mounting plate through the mounting holes, and the vertical guide columns are arranged on the vertical guide columns. The upper surfaces of the storage racks are arranged on the same transverse plane, a mounting linear groove is formed in the mounting plate, mounting holes are formed in the mounting linear groove, the two vertical guide columns are arranged in the mounting groove and connected with the mounting plate through the mounting holes, and the limiting assembly, the positioning assembly, the lateral limiting assembly or the supporting assembly are arranged on the two vertical guide columns. According to the utility model, the flexibility of the fixing tool is increased, the universality is better, the detection cost is reduced, and the storage rack, the limiting assembly, the positioning assembly, the lateral limiting assembly and the supporting assembly can limit the movement of the cylinder cover in three directions, so that the detection accuracy of the cylinder cover is improved.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing equipment, and in particular to cylinder head inspection and fixing fixtures. Background Technology

[0002] The cylinder head is a component of the combustion chamber, and the shape of the combustion chamber greatly affects engine operation. Due to the different combustion methods of gasoline and diesel engines, the components of the combustion chamber on their cylinder heads differ significantly. Currently, the cylinder head production process involves measuring the workpiece precision. During measurement, the cylinder head needs to be fixed to a fixture. However, because cylinder heads come in various sizes and shapes, and existing fixtures have poor versatility, different fixtures are required for different cylinder heads, resulting in high testing costs.

[0003] The technical problem to be solved by this application is: how to improve the versatility of cylinder head fixing fixtures. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a cylinder head fixing fixture.

[0005] The technical solution adopted by this utility model is as follows: a cylinder head fixing fixture, including a mounting plate, a shelf, vertical guide posts, a limiting component, a positioning component, a lateral restraint component, and a support component. The mounting plate is provided with a plurality of evenly distributed mounting holes, and a plurality of shelves are connected to the mounting plate through the mounting holes. The upper surface of the shelves is set on the same horizontal plane. The mounting plate is provided with a mounting straight groove, and a mounting hole is provided in the mounting straight groove. Two vertical guide posts are set in the mounting groove and connected to the mounting plate through the mounting holes. The limiting component, the positioning component, the lateral restraint component, or the support component is set on the two vertical guide posts.

[0006] In some embodiments, the limiting assembly includes a limiting fixing seat, a limiting connecting shaft, a limiting plate, and a limiting shaft. The limiting fixing seat is connected to the vertical guide post by screws. The limiting fixing seat is provided with a limiting guide groove. One end of the limiting connecting shaft moves in the limiting guide groove. The limiting plate is movably sleeved on the other end of the limiting connecting shaft. The limiting shaft is set on the limiting plate.

[0007] In some embodiments, the limiting plate is provided with a limiting groove and a limiting moving hole, the limiting groove and the limiting moving hole are connected, the limiting shaft slides within the limiting moving hole, one end of the limiting shaft is threadedly engaged with a limiting nut, the diameter of the limiting nut is larger than that of the limiting shaft, the limiting shaft is provided with a limiting spring pin, the limiting spring pin passes through the limiting groove and is connected to the limiting shaft.

[0008] In some embodiments, a tapered pressure block is provided at one end of the limiting shaft near another vertical guide post. The tapered pressure block has two positioning inclined surfaces with different inclination angles, and the tapered pressure block is connected to the limiting shaft by a fixed spring pin.

[0009] In some embodiments, the positioning assembly includes a positioning seat, a positioning plate, a first positioning pin, and a second positioning pin. The positioning seat is connected to the vertical guide post by screws. The positioning plate is provided with a movable elongated hole and is connected to the positioning seat by screws and the movable elongated hole. The first positioning pin and the second positioning pin are disposed on the positioning plate and protrude in a direction away from the vertical guide post.

[0010] In some embodiments, the positioning plate is provided with a fixed hole and a movable elongated hole. The first positioning pin is set on the positioning plate through the fixed hole, and the second positioning pin is movably set on the positioning plate through the movable elongated hole.

[0011] In some embodiments, the support assembly includes a support base, a support plate, and a support shaft. The support base is connected to the vertical guide post by screws, the support plate is connected to the support base, and the support shaft is disposed on the support plate. The side wall of the support plate away from the vertical guide post is used to abut against the back of the cylinder head.

[0012] In some embodiments, the lateral restraint assembly includes a lateral restraint seat and a lateral restraint member. The lateral restraint seat is connected to a vertical guide post by screws. The lateral restraint seat is provided with a lateral restraint guide groove. The lateral restraint member moves closer to or further away from another vertical guide post along the lateral restraint guide groove. The lateral restraint member abuts against the side wall of the cylinder head.

[0013] The beneficial effects of this utility model are as follows:

[0014] This cylinder head fixing fixture increases the flexibility of the fixing fixture by setting a movable shelf and a vertical guide post on the mounting plate, and the limiting component, positioning component, lateral restraint component and support component are flexibly set on the vertical guide post according to the size requirements of the cylinder head. It has good versatility, reduces inspection costs, and the shelf, limiting component, positioning component, lateral restraint component and support component can restrict the movement of the cylinder head in three directions, improving the accuracy of cylinder head inspection. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the limit component.

[0017] Figure 3 This is a structural diagram of the positioning component;

[0018] Figure 4 A schematic diagram of the supporting components;

[0019] Figure 5 This is a schematic diagram of the lateral restraint component.

[0020] The labels and names in the diagram correspond as follows: 1. Mounting plate; 2. Shelf; 3. Vertical guide post; 4. Limiting component; 5. Positioning component; 6. Support component; 7. Lateral restraint component; 11. Mounting hole; 12. Mounting straight groove; 41. Limiting fixing seat; 42. Limiting moving plate; 43. Limiting connecting shaft; 44. Limiting plate; 45. Limiting shaft; 46. Limiting nut; 47. Conical pressure block; 51. Positioning seat; 52. Positioning plate; 53. First positioning pin; 54. Second positioning pin; 61. Support seat; 62. Support plate; 63. Support shaft; 71. Lateral restraint seat; 72. Lateral restraint component. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 This utility model provides a technical solution: a cylinder head fixing fixture, including a mounting plate 1, a shelf 2, vertical guide posts 3, a limiting component 4, a positioning component 5, a lateral limiting component 7, and a support component 6. Two vertical guide posts 3 are provided.

[0023] The mounting plate 1 has several evenly distributed mounting holes 11. The shelf 2 is connected to the mounting plate 1 through these mounting holes 11. The mounting plate 1 has mounting grooves 12, each containing a mounting hole 11. Two vertical guide posts 3 are positioned within these grooves and connected to the mounting plate 1 through the mounting holes 11. The mounting grooves are designed so that the two vertical guide posts 3 are on the same vertical plane. Several shelves 2 are provided, and the upper surface of each shelf 2 is on the same horizontal plane. The upper surface of each shelf 2 is used to place the cylinder head. The position of the shelf 2 on the mounting plate 1 can be adjusted to accommodate different cylinder head sizes. The shelf 2 restricts the movement of the cylinder head in the Z-axis.

[0024] Please see Figure 2The limiting assembly 4 includes a limiting fixed seat 41, a limiting moving plate 42, a limiting connecting shaft 43, a limiting plate 44, a limiting shaft 45, and a limiting nut 46. The limiting fixed seat 41 is connected to the vertical guide post 3 by screws. The limiting fixed seat 41 is provided with a limiting guide groove. The limiting moving plate 42 moves within the limiting guide groove. One end of the limiting connecting shaft 43 is fixedly connected to the limiting moving plate 42. The limiting plate 44 is movably sleeved on the other end of the limiting connecting shaft 43. By moving the position of the limiting plate 44 on the limiting connecting shaft 43, the distance between the limiting plate 44 and the limiting fixed seat 41 is changed. The limiting plate 44 moves axially along the limiting guide groove through the limiting connecting shaft 43 and the limiting moving plate 42. The limiting plate 44 is provided with a limiting groove and a limiting movement hole, which are connected. The limiting shaft 45 slides within the limiting movement hole. One end of the limiting shaft 45 is threadedly engaged with a limiting nut 46. The diameter of the limiting nut 46 is larger than that of the limiting shaft 45, thereby limiting the excessive axial movement of the limiting shaft 45. The limiting shaft 45 is provided with a limiting spring pin, which passes through the limiting groove and connects to the limiting shaft 45, thereby limiting the rotation of the limiting shaft 45 within the limiting movement hole. A conical pressure block 47 is provided at one end of the limiting shaft 45 near the other vertical guide post 3. The conical pressure block 47 has two positioning inclined surfaces with different inclination angles. The conical pressure block 47 is connected to the limiting shaft 45 by a fixing spring pin. The limiting assembly 4 can limit the movement of the cylinder head in the Y direction.

[0025] Please see Figure 3 The positioning assembly 5 includes a positioning seat 51, a positioning plate 52, a first positioning pin 53, and a second positioning pin 54. The positioning seat 51 is connected to the vertical guide post 3 by screws. The positioning plate 52 has a fixing hole, a movable elongated hole, and a sliding elongated hole. The positioning plate 52 is connected to the positioning seat 51 by screws and the sliding elongated hole. The positioning plate 52 can be adjusted to position itself on the positioning seat 51 according to the actual cylinder head size. The first positioning pin 53 and the second positioning pin 54 protrude away from the vertical guide post 3 to position the cylinder head. The first positioning pin 53 is set on the positioning plate 52 through the fixing hole, and the second positioning pin 54 is movably set on the positioning plate 52 through the movable elongated hole. The second positioning pin 54 can be adjusted according to the specific size of the cylinder head. The positioning plate 52 can also abut against the back of the cylinder head to restrict the movement of the back of the cylinder head. The positioning of the first positioning pin 53 and the second positioning pin 54 positions the cylinder head. The positioning assembly 5 positions the cylinder head in the X direction.

[0026] Please see Figure 4 The support assembly 6 includes a support base 61, a support plate 62, and a support shaft 63. The support base 61 is connected to the vertical guide post 3 by screws, and the support plate 62 is connected to the support base 61 by screws. The support shaft 63 is mounted on the support plate 62. The side wall of the support plate 62 away from the vertical guide post 3 is used to abut against the back of the cylinder head, restricting the movement of the cylinder head in the Y direction.

[0027] Please see Figure 5 The lateral restraint assembly 7 includes a lateral restraint seat 71 and a lateral restraint member 72. The lateral restraint seat 71 is connected to the vertical guide post 3 by screws. The lateral restraint seat 71 is provided with a lateral restraint guide groove. The lateral restraint member 72 moves closer to or further away from another vertical guide post 3 along the lateral restraint guide groove. The lateral restraint member 72 abuts against the side wall of the cylinder head, thereby restricting the movement of the cylinder head in the X direction.

[0028] The limiting component 4, positioning component 5, lateral limiting component 7, and support component 6 are set on the two vertical guide pillars 3 according to the specific situation of the cylinder head. The vertical guide pillars 3 are provided with several adjustment holes. The limiting component 4, positioning component 5, lateral limiting component 7, and support component 6 are connected to different adjustment holes to adjust their position and height on the vertical guide pillars 3.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cylinder head fixing tool characterized by, The utility model provides a kind of shelf, including mounting plate (1), shelf (2), vertical guide column (3), limiting component (4), positioning component (5), lateral limiting component (7) and support component (6), the mounting plate (1) is provided with several evenly distributed mounting holes (11), several the shelf (2) is connected with mounting plate (1) by mounting hole (11), the upper surface of the shelf (2) is arranged on the same transverse plane, the mounting plate (1) is equipped with installation straight slot (12), the installation straight slot (12) is provided with mounting hole (11), two the vertical guide column (3) is arranged in installation slot and is connected with mounting plate (1) by mounting hole (11), limiting component (4), positioning component (5), lateral limiting component (7) or support component (6) are arranged on two vertical guide columns (3).

2. The cylinder head fixing tool according to claim 1, wherein The limiting component (4) includes limiting fixed seat (41), limiting connecting shaft (43), limiting plate (44) and limiting shaft (45), the limiting fixed seat (41) is connected with vertical guide column (3) by screw, the limiting fixed seat (41) is equipped with limiting guide slot, the limiting connecting shaft (43) is limited to move on limiting guide slot one end, the limiting plate (44) is movably sleeved on the other end of limiting connecting shaft (43), the limiting shaft (45) is arranged on limiting plate (44).

3. The cylinder head fixture of claim 2, wherein: The limiting plate (44) is equipped with lateral slot and limiting movement hole, the lateral slot and limiting movement hole are communicated, the limiting shaft (45) is limited to slide in limiting movement hole, one end of the limiting shaft (45) is threadedly matched with limiting nut (46), the diameter of limiting nut (46) is greater than limiting shaft (45), the limiting shaft (45) is equipped with limiting spring pin, the limiting spring pin passes through limiting slot and is connected with limiting shaft (45).

4. The cylinder head fixture of claim 2, wherein: The end of the limiting shaft (45) close to the other vertical guide column (3) is equipped with conical press block (47), the conical press block (47) is equipped with two positioning inclined surfaces with different inclination angles, the conical press block (47) and the limiting shaft (45) are connected by fixed spring pin.

5. The cylinder head fixture of claim 1, wherein: The positioning component (5) includes positioning seat (51), positioning plate (52), first positioning pin (53) and second positioning pin (54), the positioning seat (51) is connected with vertical guide column (3) by screw, the positioning plate (52) is equipped with movement long hole, the positioning plate (52) is connected with positioning seat (51) by screw and movement long hole, the first positioning pin (53) and the second positioning pin (54) are arranged on the positioning plate (52) and protrude away from the direction of vertical guide column (3).

6. The cylinder head fixture of claim 5, wherein, The positioning plate (52) is equipped with fixed hole and movable long hole, the first positioning pin (53) is arranged on the positioning plate (52) by fixed hole, the second positioning pin (54) is movably arranged on the positioning plate (52) by movable long hole.

7. The cylinder head fixture of claim 1, wherein: The support assembly (6) comprises a support base (61), a support plate (62) and a support shaft (63), the support base (61) is connected with the vertical guide column (3) through a screw, the support plate (62) is connected with the support base (61), the support shaft (63) is arranged on the support plate (62), and the side wall of the support plate (62) away from the vertical guide column (3) is used for abutting against the back surface of the cylinder cover.

8. The cylinder head fixture of claim 1, wherein: The lateral limiting assembly (7) comprises a lateral limiting base (71) and a lateral limiting piece (72), the lateral limiting base (71) is connected with the vertical guide column (3) through a screw, the lateral limiting base (71) is provided with a lateral limiting guide groove, the lateral limiting piece (72) is close to or away from the other vertical guide column (3) along the lateral limiting guide groove, and the lateral limiting piece (72) abuts against the side wall of the cylinder cover.