CN211926744U

CN211926744U - Cylinder cover flatness detection device

Info

Publication number: CN211926744U
Application number: CN202021084738.8U
Authority: CN
Inventors: 张保军
Original assignee: Fugou County Longli Cylinder Head Co ltd
Current assignee: Fugou County Longli Cylinder Head Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-11-13
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a cylinder cover flatness detection device, the screw thread post including adaptation cylinder cover screw, screw thread post upper end is equipped with first connecting plate, be equipped with first connecting plate pivoted support relatively on the first connecting plate, the support upper end is equipped with the horizon bar, T shape spout has been seted up to the horizon bar lower extreme, slidable mounting has the slider in the T shape spout, the second connecting plate is installed to the slider lower extreme, install the gauge on the second connecting plate, fix in the screw that the cylinder cover that awaits measuring corresponds the terminal surface through twisting the screw thread post, need not to fix alright measure the cylinder cover, and is efficient, avoided the error that leads to because of fixed cylinder cover unevenness simultaneously, improved measurement accuracy, the utility model discloses the cost of manufacture is low, can be fast and whether qualified the plane degree of accurately measuring the cylinder cover.

Description

Cylinder cover flatness detection device

Technical Field

The utility model relates to an automobile engine spare part technical field, concretely relates to cylinder head flatness detection device.

Background

The cylinder cover is usually made of high-quality gray cast iron or alloy cast iron, is a mounting base body of the valve mechanism and also is a sealing cover of the cylinder, and forms a combustion space together with a piston top, a cylinder wall and the like, and the requirement on the flatness of the cylinder cover is high because the contact surface of the cylinder cover and a cylinder body is free from gaps after a valve bottom ring is pressed. In order to ensure good sealing of the cylinder, the flatness of the cylinder cover needs to be detected after the production of the cylinder cover is finished, but the existing measuring mode usually adopts manual operation of a knife edge ruler to measure, which wastes time and labor and has low precision, or adopts a laser flatness measuring instrument to measure, although the precision of the measuring mode is high, the corresponding cost is high, and therefore, a cylinder cover flatness detecting device with low cost and high precision is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low cost can be fast and the detection device of accurate measurement cylinder head plane degree.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a cylinder cover flatness detection device, includes the screw thread post of adaptation cylinder cover screw, and screw thread post upper end is equipped with first connecting plate, is equipped with first connecting plate pivoted support relatively on the first connecting plate, and the support upper end is equipped with the horizon bar, and T shape spout has been seted up to the horizon bar lower extreme, and slidable mounting has the slider in the T shape spout, and the second connecting plate is installed to the slider lower extreme, installs the gauge on the second connecting plate.

Preferably, the support includes first support and second support, gliding suit about the second support can be in first support, second support upper end is equipped with the horizon bar, first support lower extreme rotates and installs on first connecting plate, the spout has been seted up on the second support, be equipped with inside sunken arch on the first support, the spout is located protruding outer and can follow protruding slip, first screw has been seted up to bellied bottom, second support and first support are through being located the fastening bolt locking in first screw.

Preferably, the first connecting plate is provided with an annular groove, the periphery of the lower portion of the first support is sleeved with a disc, the disc is provided with a second screw hole, the second screw hole is located right above the annular groove, and the disc and the first connecting plate are locked through a fastening bolt located in the second screw hole.

Preferably, the horizontal rod comprises a first horizontal rod and a second horizontal rod, the left end of the second horizontal rod is fixed at the upper end of the support, the right end of the second horizontal rod is provided with a first slotted hole and a second slotted hole, the first slotted hole is positioned above the second slotted hole, the right end of the first horizontal rod is provided with a first inserted bar and a second inserted bar, the first inserted bar is horizontally slidably inserted into the first slotted hole, the second inserted bar is horizontally slidably inserted into the second slotted hole, the upper end of the second horizontal rod is provided with a notch penetrating through the first slotted hole, and the second horizontal rod and the first inserted bar are locked through a fastening bolt positioned in the notch.

Preferably, the T-shaped sliding groove comprises a first T-shaped sliding groove arranged at the lower end of the first horizontal rod and a second T-shaped sliding groove arranged at the lower end of the second horizontal rod, and the first T-shaped sliding groove and the second T-shaped sliding groove are completely consistent and are located on the same horizontal plane.

Preferably, the measuring gauge is a dial gauge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. detection device fixes in the screw that corresponds the terminal surface of cylinder head that awaits measuring through twisting the screw post, need not to fix the cylinder head alright measurement, high efficiency, the error of having avoided simultaneously leading to because of fixed cylinder head unevenness, the measurement accuracy has been improved, highly make the measuring head of measuring gauge and the face contact and the reading that awaits measuring of cylinder head through adjusting the support, rethread slip slider and rotation support, make the measuring gauge horizontal migration to different measuring points and read the reading that corresponds, whether qualified with the plane degree of measuring numerical value analysis judgement cylinder head. The utility model discloses the cost of manufacture is low, can be fast and whether qualified of the plane degree of accurate measurement cylinder head.

2. The measuring head of the measuring gauge is in contact with the surface to be measured of the cylinder cover through the sliding of the sliding groove of the second supporting rod outside the protrusion, the operation is simple, and the control precision is high.

3. After the support rotates to a proper position, the disc and the first connecting plate abut against the tight sliding groove through the fastening bolt in the second screw hole to be locked, so that the support and the first connecting plate cannot slide relatively when the measuring meter moves horizontally, and the measuring precision is guaranteed.

4. Due to the telescopic design of the first horizontal rod and the second horizontal rod, the effective distance of the horizontal rods is prolonged, the measurement range of the detection device is widened, and the size of the detection device is reduced; and the first horizontal rod and the second horizontal rod form a gap, so that the slider and the measuring meter are disassembled, the storage is convenient, and the equipment is maintained.

Drawings

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

Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, a cylinder head flatness detecting device includes a threaded post 1 adapted to a threaded hole of a cylinder head, a first connecting plate 2 is disposed at an upper end of the threaded post 1, a lower end surface of the first connecting plate 2 is perpendicular to an upper end surface of the threaded post 1, a bracket capable of rotating relative to the first connecting plate 2 is disposed on the first connecting plate 2, a lower end surface of the bracket is perpendicular to the upper end surface of the first connecting plate 2, a horizontal rod is disposed at an upper end of the bracket, a T-shaped chute 3 is disposed at a lower end of the horizontal rod, a slider 4 is slidably mounted in the T-shaped chute 3, a second connecting plate 5 is mounted at a lower end of the slider 4, a measuring gauge 6 is mounted on the second connecting plate 5, the measuring gauge 6 is a purchasing dial gauge, corresponding structures thereof and control relations are the prior art, technical effects of the dial gauges on the market can be realized by technicians in the field as required, the bracket includes, second support 8 gliding suit from top to bottom is in

first support

7, 8 upper ends of second support are equipped with the horizon bar, 7 lower extremes of first support are rotated and are installed on first connecting plate 2, spout 9 has been seted up on the second support 8, be equipped with inside sunken arch 10 on the first support 7, spout 9 is located outside arch 10 and can follows protruding 10 and slide, first screw 11 has been seted up to protruding 10's bottom, second support 8 and first support 7 support tight spout 9 bottom locking through the fastening bolt that is located first screw 11. The detection device fixes the threaded column 1 by screwing the threaded column into the screw hole of the corresponding end face of the cylinder cover to be detected, the cylinder cover can be measured without being fixed, the efficiency is high, meanwhile, errors caused by the fact that the cylinder cover is fixed not to be flat are avoided, the measurement precision is improved, the height of the second support 8 is adjusted by sliding the sliding groove 9 of the second support rod 8 outside the protrusion 10, so that the measuring head of the measuring meter 6 is in contact with the surface to be detected of the cylinder cover, the operation is simple, the control precision is high, after the measuring head of the measuring meter 6 is in contact with the surface to be detected of the cylinder cover, the fastening bolt in the first screw hole 11 is screwed down to fix the height of the support, the reading of the measuring meter 6 is read, then the sliding block 4 and the support are rotated, the measuring meter 6 is horizontally moved to different measuring points and the corresponding reading is read, and the. The utility model discloses the cost of manufacture is low to can be fast and whether qualified the plane degree of accurate measurement cylinder head.

On the basis of the above embodiment, the first connecting plate 2 is provided with the annular groove 12, the lower periphery of the first bracket 7 is sleeved with the disc 13, the disc 13 is provided with the second screw hole 14, the second screw hole 14 is located right above the annular groove 12, and the disc 13 and the first connecting plate 2 are locked by the fastening bolt located in the second screw hole 14. After the support rotates to a proper position, the disc 13 and the first connecting plate 2 abut against the bottom of the annular groove 12 through the fastening bolt in the second screw hole 14 to be locked, so that the support and the first connecting plate 2 cannot slide relatively when the measuring meter 6 moves horizontally, and the measuring precision is guaranteed.

On the basis of the above embodiment, the horizontal rod includes a first horizontal rod 15 and a second horizontal rod 16, the left end of the second horizontal rod 16 is fixed at the upper end of the bracket, the right end of the second horizontal rod 16 is provided with a first slot hole 17 and a second slot hole 18, the first slot hole 17 is located above the second slot hole 18, the right end of the first horizontal rod 15 is provided with a first insertion rod 19 and a second insertion rod 20, the first insertion rod 19 is horizontally slidably inserted into the first slot hole 17, the second insertion rod 20 is horizontally slidably inserted into the second slot hole 18, the upper end of the second horizontal rod 16 is provided with a notch 21 penetrating through the first slot hole 17, the second horizontal rod 16 and the first insertion rod 19 abut against the upper end of the first insertion rod 19 through a fastening bolt located in the notch 21 and are locked, the T-shaped chute 3 includes a first T-shaped chute arranged at the lower end of the first horizontal rod 15 and a second T-shaped chute arranged at the lower end of the second horizontal rod 16, and the first T-shaped chute and the second T-shaped chute are completely consistent and located on the same horizontal plane. When the right end of the first horizontal rod 15 is abutted against and closed with the left end of the second horizontal rod 16, the first T-shaped sliding groove is completely aligned with the second T-shaped sliding groove, the sliding block 4 can slide into the second sliding groove through the first sliding groove, the first horizontal rod 15 and the second horizontal rod 16 are horizontally slidably inserted into the first slotted hole 17 through the first inserted rod 19 and are horizontally slidably inserted into the second slotted hole 18 through the second inserted rod 20, the telescopic design of the horizontal rods is realized, the effective distance of the horizontal rods is prolonged, the measurement range of the detection device is widened, the volume of the detection device is reduced, and the position stability of the first horizontal rod 15 and the position stability of the second horizontal rod 16 are ensured due to the arrangement of the two groups of inserted rods and the two groups of jacks; and the first horizontal rod and the second horizontal rod form a gap, so that the sliding block 4 and the measuring meter 6 can be disassembled, the detection device is convenient to store, and equipment is convenient to maintain.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element 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", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A cylinder head flatness detecting apparatus, characterized in that: the measuring instrument comprises a threaded column (1) with an adaptive cylinder cover screw hole, wherein a first connecting plate (2) is arranged at the upper end of the threaded column (1), a support capable of rotating relative to the first connecting plate (2) is arranged on the first connecting plate (2), a horizontal rod is arranged at the upper end of the support, a T-shaped sliding groove (3) is formed in the lower end of the horizontal rod, a sliding block (4) is arranged in the T-shaped sliding groove (3), a second connecting plate (5) is arranged at the lower end of the sliding block (4), and a measuring instrument (6) is arranged on the second connecting plate (5).

2. The cylinder head flatness detecting apparatus according to claim 1, wherein: the support includes first support (7) and second support (8), gliding suit about second support (8) is in first support (7), second support (8) upper end is equipped with the horizon bar, first support (7) lower extreme rotates and installs on first connecting plate (2), spout (9) have been seted up on second support (8), be equipped with inside sunken arch (10) on first support (7), spout (9) are located outside arch (10) and can slide along arch (10), first screw (11) have been seted up to the bottom of arch (10), second support (8) and first support (7) are locked through the fastening bolt that is located first screw (11).

3. The cylinder head flatness detecting apparatus according to claim 2, wherein: the improved structure is characterized in that an annular groove (12) is formed in the first connecting plate (2), a disc (13) is sleeved on the periphery of the lower portion of the first support (7), a second screw hole (14) is formed in the disc (13), the second screw hole (14) is located right above the annular groove (12), and the disc (13) and the first connecting plate (2) are locked through a fastening bolt located in the second screw hole (14).

4. The cylinder head flatness detecting apparatus according to claim 1, wherein: the horizontal rod comprises a first horizontal rod (15) and a second horizontal rod (16), the left end of the second horizontal rod (16) is fixed at the upper end of the support, the right end of the second horizontal rod (16) is provided with a first slotted hole (17) and a second slotted hole (18), the first slotted hole (17) is positioned above the second slotted hole (18), the right end of the first horizontal rod (15) is provided with a first inserted rod (19) and a second inserted rod (20), the first inserted rod (19) is horizontally inserted into the first slotted hole (17) in a sliding manner, the second inserted rod (20) is horizontally inserted into the second slotted hole (18) in a sliding manner, the upper end of the second horizontal rod (16) is provided with a notch (21) penetrating through the first slotted hole (17), and the second horizontal rod (16) and the first inserted rod (19) are locked by a fastening bolt positioned in the notch (21).

5. The cylinder head flatness detecting apparatus according to claim 4, wherein: the T-shaped sliding groove (3) comprises a first T-shaped sliding groove arranged at the lower end of the first horizontal rod (15) and a second T-shaped sliding groove arranged at the lower end of the second horizontal rod (16), and the first T-shaped sliding groove and the second T-shaped sliding groove are completely consistent and are located on the same horizontal plane.

6. The cylinder head flatness detecting apparatus according to claim 1, wherein: the measuring meter (6) is a dial indicator.