Electric heating plug hole depth gauge

Abstract

The utility model discloses a kind of electric heat plug hole depth gauges, including gauge main body, the gauge head portion of gauge main body front end being arranged, the outer diameter of gauge head portion is less than the outer diameter of gauge main body, and step is formed between gauge head portion and gauge main body.Electric heat plug hole size is same, so direct electric heat plug hole depth gauge can inspect the electric heat plug hole depth of any cylinder cover.Gauge is directly inserted into electric heat plug hole, and it is eligible if coinciding smoothly, otherwise unqualified.The utility model can guarantee cylinder cover electric heat plug hole inspection efficiency and accuracy, and does not produce abrasion, guarantee production rhythm.

Description

Technical Field

[0001] The utility model relates to the field of internal combustion engines, and particularly relates to a detecting tool for the electric heating plug holes of an engine cylinder head. Background Art

[0002] With the development of China's engine industry, the production efficiency requirements for diesel engines are getting higher and higher, and the original cylinder heads cannot meet the market requirements. In order to meet production needs, electric heating plug holes are added to the cylinder heads. To ensure the production rhythm and inspection efficiency, new detecting tools must be designed to inspect the sizes of the electric heating plug holes. Content of the Utility Model

[0003] The technical problem solved by the utility model: to provide a detecting tool for the depth of electric heating plug holes, which can ensure the inspection efficiency and accuracy of the electric heating plug holes of the cylinder head, and does not cause wear, so as to ensure the production rhythm.

[0004] To solve the above technical problem, the utility model provides the following technical solution: a detecting tool for the depth of electric heating plug holes, including a detecting tool main body and a detecting tool head arranged at the front end of the detecting tool main body. The outer diameter of the detecting tool head is smaller than that of the detecting tool main body. A step is formed between the detecting tool head and the detecting tool main body. A sliding sleeve is sleeved on the detecting tool head, and an elastic member is arranged between the sliding sleeve and the step.

[0005] Since the sizes of the electric heating plug holes are the same, the depth of the electric heating plug holes of any cylinder head can be directly inspected by using the detecting tool for the depth of electric heating plug holes. If the detecting tool can be smoothly inserted into the electric heating plug hole and coincide, it is qualified; otherwise, it is unqualified.

[0006] When the detecting tool head is inserted into the electric heating plug hole and the sliding sleeve abuts against the hole end, the operator can feel the elastic force, indicating that the detecting tool head is inserted in place. In this way, the accuracy of the operator's judgment can be improved, and misjudgment can be avoided.

[0007] As an option, the elastic member is a telescopic spring.

[0008] The step is provided with an annular recess structure, and one end of the telescopic spring is clamped in the annular recess structure. The other end of the telescopic spring is welded to the sliding sleeve.

[0009] A holding part is arranged at the tail of the detecting tool main body, and the holding part is knurled.

[0010] The utility model has the following technical effects:

[0011] First, the utility model can ensure the inspection efficiency and accuracy of the electric heating plug holes of the cylinder head, and does not cause wear, so as to ensure the production rhythm.

[0012] Second, the setting of the sliding sleeve and the elastic member can improve the operator's hand feeling, improve the accuracy of judgment, and avoid misjudgment. Description of the Drawings

[0013] The following further describes the present utility model in conjunction with the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the first embodiment of the depth gauge for the glow plug hole;

[0015] Figure 2 It is a schematic diagram of the second embodiment of the depth gauge for the glow plug hole;

[0016] Figure 3 It is Figure 2 a partial cross-sectional view;

[0017] Figure 4 It is Figure 3 a partial enlarged view of

[0018] Symbol description in the figure:

[0019] 10. Gauge main body; 11. Holding part;

[0020] 20. Gauge head;

[0021] 30. Step; 31. Annular depression structure;

[0022] 40. Slide sleeve;

[0023] 50. Elastic member. Specific embodiments

[0024] First embodiment

[0025] As Figure 1 , a depth gauge for the glow plug hole includes a gauge main body 10 and a gauge head 20 provided at the front end of the gauge main body. The outer diameter of the gauge head is smaller than the outer diameter of the gauge main body, and a step 30 is formed between the gauge head and the gauge main body.

[0026] A holding part 11 is provided at the tail of the gauge main body 10, and the holding part is knurled. [[ID=5३]]

[0027] The glow plug holes have the same size, so the depth gauge for the glow plug hole can directly check the depth of the glow plug holes of any cylinder head. If the gauge can be directly inserted into the glow plug hole smoothly and coincide, it is qualified; otherwise, it is unqualified.

[0028] Second embodiment

[0029] Referring to Figures 2 to 4 , a depth gauge for the glow plug hole includes a gauge main body 10 and a gauge head 20 provided at the front end of the gauge main body. The outer diameter of the gauge head is smaller than the outer diameter of the gauge main body, and a step 30 is formed between the gauge head and the gauge main body. A slide sleeve 40 is sleeved on the gauge head, and an elastic member 50 is provided between the slide sleeve and the step.

[0030] The elastic member 50 is a telescopic spring.

[0031] The step 30 is provided with an annular recessed structure 31, and one end of the telescopic spring is engaged in the annular recessed structure.

[0032] The other end of the telescopic spring is welded to the sliding sleeve 40.

[0033] The tail of the gauge body 10 is provided with a holding part 11, and the holding part is knurled.

[0034] The dimensions of the glow plug holes are the same, so the glow plug hole depth gauge can directly inspect the depth of the glow plug holes of any cylinder head. When the gauge is directly inserted into the glow plug hole, if it can be successfully aligned, it is qualified; otherwise, it is unqualified.

[0035] The gauge head 20 is inserted into the glow plug hole, and the sliding sleeve 40 abuts against the hole end. The operator can feel the elastic force, indicating that the gauge head is inserted in place. In this way, the accuracy of the operator's judgment can be improved and misjudgment can be avoided.

[0036] The above content is only the preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. A depth gauge for a heating plug hole, comprising a gauge body (10) and a gauge head (20) disposed at the front end of the gauge body, wherein the outer diameter of the gauge head is smaller than the outer diameter of the gauge body, and a step (30) is formed between the gauge head and the gauge body, characterized in that: A sliding sleeve (40) is fitted on the head of the inspection tool, and an elastic element (50) is provided between the sliding sleeve and the step.

2. The electrothermal plug hole depth gauge as described in claim 1, characterized in that: The elastic element (50) is a telescopic spring.

3. The electrothermal plug hole depth gauge as described in claim 2, characterized in that: The step (30) is provided with an annular recessed structure (31), and one end of the telescopic spring is engaged in the annular recessed structure.

4. The electrothermal plug hole depth gauge as described in claim 2, characterized in that: The other end of the telescopic spring is welded to the sliding sleeve (40).

5. The electrothermal plug hole depth gauge as described in claim 1, characterized in that: The tail of the inspection tool body (10) is provided with a gripping part (11), which is knurled.

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