Anti-explosion engine oil dipstick

Abstract

The utility model relates to the field of engine oil dipsticks, and discloses an anti-explosion engine oil dipstick which comprises an engine oil dipstick body and an engine oil dipstick tube, the engine oil dipstick body comprises a rod body, a handle and an oil measuring head, and the handle and the oil measuring head are fixed to the upper end and the lower end of the rod body respectively. The lifting device is characterized in that the handle comprises a lifting handle, a lifting rod and a fixing plate fixed between the lifting handle and the lifting rod, limiting rods are hinged to the two ends of the fixing plate, torsional springs are connected between the sides, close to the lifting rod, of the limiting rods and the fixing plate, and limiting blocks are fixed to the ends of the limiting rods; a limiting groove allowing the limiting block to be embedded therein is formed in the outer wall face of the engine oil dipstick pipe. The engine oil dipstick has the advantages that the engine oil dipstick body can be prevented from being separated from the engine oil dipstick tube under the action of vibration, and reading of the engine oil dipstick body is more accurate and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil dipstick technical field, especially relate to a kind of explosion-proof oil dipstick. BACKGROUND

[0002] Oil dipstick is more important part in engine lubricating system, its main role is used to indicate the volume of engine lubricating oil.Oil dipstick assembly is inserted into engine by oil dipstick sleeve, oil will leave liquid level trace on indicating rod, after pulling out oil dipstick assembly, it can be judged whether the oil quantity in engine is sufficient.And in the running process of engine, crankcase pressure is unstable, and the excitation frequency of engine itself is higher, oil dipstick body is easily rotated, jumps in oil dipstick pipe, even from oil dipstick pipe, thereby leading to oil dipstick body bending, inaccurate oil quantity measurement and oil leakage under the action of crankcase pressure pulse and overall vibration. SUMMARY

[0003] The utility model aims at providing a kind of explosion-proof oil dipstick, with the effect of limiting the vibration under the action of oil dipstick body from oil dipstick pipe.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a kind of explosion-proof oil dipstick, including oil dipstick body and oil dipstick pipe, the oil dipstick body includes rod body, handle and oil measuring head fixed on the upper and lower ends of the rod body respectively, the handle includes handle, lifting rod and fixed plate between the handle and the lifting rod, the fixed plate is hinged to limit rod at both ends, the limit rod is connected with torsion spring between the side close to the lifting rod and the fixed plate, the limit rod end is fixed with limit block, the outer wall surface of the oil dipstick pipe is provided with the limit slot for embedding the limit block.

[0005] By adopting the above technical scheme, when using, the rod body is inserted into oil dipstick pipe, the upper end surface of oil dipstick pipe pushes limit rod and limit block to deviate from the direction away from lifting rod, when moving to the limit block close to limit slot, limit block is clamped into limit slot under the pulling of torsion spring to complete the positioning and fixing of handle, limit the vibration under the action of oil dipstick body up and down jumping and separating from oil dipstick pipe, improve the oil measurement accuracy.

[0006] The utility model further provides that: the side close to the lifting rod of the limit rod is provided with inclined surface, and the limit block is provided with semispherical shape.

[0007] By adopting the above technical scheme, when installing rod body, the upper end of oil dipstick pipe is pushed limit rod and limit block to deviate from the direction away from lifting rod through the inclined surface section of limit rod and limit block;When reading, limit block is separated from limit slot by pulling handle.

[0008] The utility model is further configured as follows: an annular groove is provided on the lifting rod, and a sealing ring is fixed in the annular groove.

[0009] By adopting the above technical solution, after the oil dipstick body is restricted and fixed relative to the oil dipstick tube, the outer wall of the sealing ring is in contact with the inner wall of the oil dipstick tube to achieve a layer of sealing for the oil in the tube, preventing the oil from overflowing when vibrating.

[0010] The present invention is further configured as follows: a support member is fixed to the rod body, and first anti-touch protrusions are provided on both sides of the support member.

[0011] By adopting the above technical solution, when the rod body is inserted into the oil dipstick tube or taken out of the oil dipstick tube, the support member and the first anti-touch protrusion can prevent the rod body from touching the inner wall of the oil dipstick tube, thereby avoiding the rod body from contacting and getting oiled by the inner wall of the oil dipstick tube, which affects the measurement results and improves the measurement accuracy.

[0012] The present invention is further configured as follows: the support members are configured as a plurality of support members evenly distributed along the rod body.

[0013] By adopting the above technical solution, multiple support members jointly reduce the probability of anti-touch and improve measurement accuracy.

[0014] The utility model is further configured as follows: a liquid level scale line is provided at the bottom end of the rod body.

[0015] By adopting the above technical solution, the oil capacity in the oil dipstick tube can be directly judged by the oil film on the liquid level scale line.

[0016] The present invention is further configured as follows: the rod body is provided with an oil-hanging protrusion located at the liquid level scale line.

[0017] By adopting the above technical solution, the oil hanging protrusion makes it easier for the oil to adhere to the liquid level scale line, while helping to reduce the shaking of the oil on the scale, thereby making it easier to read the oil level and making the reading more accurate.

[0018] The present invention is further configured as follows: the rod body is configured as an elastic rod body.

[0019] By adopting the above technical solution, the rod body can be adapted to a variety of oil dipstick tubes.

[0020] The present invention is further configured as follows: second anti-touch protrusions are provided on both sides of the oil measuring head.

[0021] By adopting the above technical solution, when the bottom end of the rod body is inserted into the oil dipstick tube, the second anti-touch protrusion prevents the oil measuring head from touching the inner wall of the oil dipstick tube, thereby avoiding affecting the measurement result.

[0022] The present invention is further configured as follows: an anti-blocking head is fixed between the bottom of the handle and the upper end of the rod body, and an annular protrusion is provided on the outer wall of the anti-blocking head.

[0023] By adopting the above technical solution, the anti-blocking head and the annular protrusion realize the first layer of sealing and blocking to prevent the leakage of engine oil during vibration.

[0024] The beneficial effects of the utility model are:

[0025] The rod body extends into the oil dipstick tube, and the upper end surface of the oil dipstick tube pushes the limit rod and the limit block to deviate away from the lifting rod. When the limit block moves close to the limit slot, the limit block is pulled by the torsion spring and snaps into the limit slot to complete the positioning and fixation of the handle, thereby limiting the oil dipstick body from jumping up and down and separating from the oil dipstick tube under the action of vibration, thereby improving the accuracy of oil measurement;

[0026] The support member, the first anti-touch protrusion and the second anti-touch protrusion work together to prevent the rod body from contacting the inner wall of the oil dipstick tube and getting oily, thereby affecting the measurement result and improving the measurement accuracy;

[0027] The sealing ring, the anti-clogging head and the annular protrusion together realize double-layer sealing and prevent the oil from leaking from the oil dipstick tube during vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 It is a schematic structural diagram of the utility model.

[0030] Figure 2 The utility model is a structural schematic diagram of the connection relationship between the oil dipstick body and the oil dipstick tube.

[0031] In the figure, 1. Oil dipstick body; 11. Rod body; 12. Handle; 121. Lifting handle; 122. Lifting rod; 123. Fixed plate; 124. Limit rod; 125. Torsion spring; 126. Limit block; 127. Annular groove; 128. Sealing ring; 13. Oil measuring head; 14. Support member; 15. First anti-touch protrusion; 16. Liquid level scale line; 17. Second anti-touch protrusion; 18. Anti-blocking head; 19. Annular protrusion; 2. Oil dipstick tube; 3. Limit groove. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0033] Example 1, an explosion-proof oil dipstick, such as Figure 1-2 As shown, it includes an oil dipstick body 1 and an oil dipstick tube 2. The oil dipstick body includes a rod body 11, a handle 12 and an oil measuring head 13 respectively fixed to the upper and lower ends of the rod body 11, the handle 12 includes a lifting handle 121, a lifting rod 122 and a fixing plate 123 fixed between the lifting handle 121 and the lifting rod 122, and a limiting rod 124 is hinged at both ends of the fixing plate 123. A torsion spring 125 is connected between the limiting rod 124 and the fixing plate 123 on the side close to the lifting rod 122, and a limiting block 126 is fixed to the end of the limiting rod 124. The outer wall of the oil dipstick tube 2 is provided with a limiting groove 3 for the limiting block 126 to be embedded in.

[0034] Furthermore, the side of the limiting rod 124 close to the lifting rod 122 is configured to be inclined, and the limiting block 126 is configured to be hemispherical.

[0035] Furthermore, an annular groove 127 is provided on the lifting rod 122 , and a sealing ring 128 is fixed in the annular groove 127 .

[0036] Furthermore, a support member 14 is fixed to the rod body 11 , and first anti-touch protrusions 15 are provided on both sides of the support member 14 .

[0037] Furthermore, the support members 14 are provided in a plurality and are evenly distributed along the rod body 11 .

[0038] Furthermore, a liquid level mark 16 is provided at the bottom end of the rod body 11 .

[0039] Furthermore, the rod body 11 is provided with an oil-hanging protrusion located at the liquid level scale line 16 .

[0040] Furthermore, the rod body 11 is configured as an elastic rod body 11 .

[0041] Furthermore, second anti-touch protrusions 17 are provided on both sides of the oil measuring head 13 .

[0042] Furthermore, an anti-blocking head 18 is fixed between the bottom of the handle 12 and the upper end of the rod body 11 , and an annular protrusion 19 is provided on the outer wall of the anti-blocking head 18 .

[0043] The working principle of the utility model is as follows: when in use, the rod body 11 is extended into the oil dipstick tube 2, and the upper end surface of the oil dipstick tube 2 pushes the limit rod 124 and the limit block 126 to deviate away from the lifting rod 122. When the limit block 126 moves close to the limit groove 3, the limit block 126 is pulled by the torsion spring 125 to snap into the limit groove 3 to complete the positioning and fixation of the handle 12, limiting the oil dipstick body 1 from jumping up and down and separating from the oil dipstick tube 2 under the action of vibration; take out When the rod body 11 is reading, the handle 121 is pulled hard to disengage the limit block 126 from the limit groove 3. During this period, the support member 14, the first anti-touch protrusion 15 and the second anti-touch protrusion 17 jointly prevent the rod body 11 from contacting the inner wall of the oil dipstick tube 2 and getting oily, which affects the reading; when the rod body 11 is installed in the oil dipstick tube 2, the sealing ring 128, the anti-blocking head 18 and the annular protrusion 19 realize a double-layer sealing and blockage, which jointly prevent the oil from leaking from the oil dipstick tube 2 during vibration.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof oil dipstick, comprising an oil dipstick body (1) and an oil dipstick tube (2), wherein the oil dipstick body comprises a rod body (11), a handle (12) fixed to the upper and lower ends of the rod body (11), and an oil measuring head (13), characterized in that: The handle (12) comprises a lifting handle (121), a lifting rod (122) and a fixing plate (123) fixed between the lifting handle (121) and the lifting rod (122); the fixing plate (123) is hinged with a limiting rod (124) at both ends; a torsion spring (125) is connected between the limiting rod (124) and the fixing plate (123) on the side close to the lifting rod (122); a limiting block (126) is fixed to the end of the limiting rod (124); and a limiting groove (3) for the limiting block (126) to be embedded in the outer wall of the oil dipstick tube (2).

2. The explosion-proof oil dipstick according to claim 1, characterized in that: The side of the limiting rod (124) close to the lifting rod (122) is configured as an inclined surface, and the limiting block (126) is configured as a hemispherical shape.

3. The explosion-proof oil dipstick according to claim 1, characterized in that: An annular groove (127) is provided on the lifting rod (122), and a sealing ring (128) is fixed in the annular groove (127).

4. The explosion-proof oil dipstick according to claim 1, characterized in that: A support member (14) is fixed to the rod body (11), and first anti-touch protrusions (15) are provided on both sides of the support member (14).

5. The explosion-proof oil dipstick according to claim 4, characterized in that: The supporting members (14) are provided in a plurality and are evenly distributed along the rod body (11).

6. The explosion-proof oil dipstick according to claim 1, characterized in that: The bottom end of the rod body (11) is provided with a liquid level scale line (16).

7. The explosion-proof oil dipstick according to claim 6, characterized in that: The rod body (11) is provided with an oil-hanging protrusion located at the liquid level scale line (16).

8. The explosion-proof oil dipstick according to claim 1, characterized in that: The rod body (11) is configured as an elastic rod body (11).

9. The explosion-proof oil dipstick according to claim 1, characterized in that: Second anti-touch protrusions (17) are provided on both sides of the oil measuring head (13).

10. The explosion-proof oil dipstick according to claim 1, characterized in that: An anti-blocking head (18) is fixed between the bottom of the handle (12) and the upper end of the rod body (11), and an annular protrusion (19) is provided on the outer wall of the anti-blocking head (18).

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