CN220815231U - Fuel tank cover lock for engineering machinery - Google Patents
Fuel tank cover lock for engineering machinery Download PDFInfo
- Publication number
- CN220815231U CN220815231U CN202322275530.4U CN202322275530U CN220815231U CN 220815231 U CN220815231 U CN 220815231U CN 202322275530 U CN202322275530 U CN 202322275530U CN 220815231 U CN220815231 U CN 220815231U
- Authority
- CN
- China
- Prior art keywords
- cover
- lock
- fuel tank
- connecting hole
- outer cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 claims 4
- 238000001228 spectrum Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 12
- 239000010779 crude oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides a fuel tank cover lock for engineering machinery, which comprises an outer cover and an inner cover, wherein the inner cover is in threaded connection with a fuel tank opening, the inner cover is arranged on the inner side of the outer cover and is in rotary connection with the outer cover, a plurality of connecting grooves are formed in the top end of the inner cover along the circumferential direction, the axes of the connecting grooves are arranged on the same circumferential surface, a connecting hole is eccentrically formed in the top end of the outer cover, the axes of the connecting holes are arranged on the circumferential surface where the axes of the connecting grooves are located, and locking rods which can extend into or withdraw from the connecting grooves are arranged in the connecting holes. According to the fuel tank cover lock for the engineering machinery, the connecting state of the outer cover and the inner cover is adjusted by the lock rod, when the padlock is arranged on the first lock hole, the whole fuel tank cover is in the locking state, the oil tank is not opened by rotating the outer cover in the locking state, the mold opening development is not needed again, and the manufacturing is rapid and the cost is low.
Description
Technical Field
The utility model relates to the technical field of fuel tank caps, in particular to a fuel tank cap lock for engineering machinery.
Background
In order to reduce the cost, the fuel tank cover of the standard product of engineering machinery is not generally provided with a locking function, and when a client has special requirements, the fuel tank cover is provided with a cover lock by temporary refitting, so that the following two schemes are commonly adopted in the current industry to solve the problems:
Scheme one: the new oil tank cover with the lock core is developed, but the oil tank cover is manufactured by opening a mold, the oil tank cover is time-consuming and labor-consuming to redevelop, the mold cost is high, and the oil tank cover is not suitable for manufacturing small-batch special orders.
Scheme II: a box with a padlock is welded on the outer area of the crude oil tank cover to cover the crude oil tank cover, and the mode needs a large space for welding the box, and meanwhile, the appearance is not recognized by customers.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: in order to overcome the defects in the prior art, the utility model provides a fuel tank cover lock for engineering machinery.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a fuel tank cover lock for engineering machine tool, includes enclosing cover and inner cup, inner cup and oil tank mouth threaded connection, the inner cup locate the enclosing cover inboard with the enclosing cover rotates to be connected, the inner cup top is equipped with a plurality of spread grooves along circumference, and is a plurality of the spread groove axis is located on the same periphery, the enclosing cover top is eccentric to be provided with a connecting hole, the connecting hole axis is located on the periphery that a plurality of spread groove axes are located, be equipped with the locking lever that can stretch into or withdraw from in the spread groove in the connecting hole.
When the lock rod stretches into the connecting groove, the lock rod connects the outer cover and the inner cover into a whole, and the outer cover can be driven to rotate together by hand screwing, so that the oil tank opening is opened; when the lock rod withdraws from the connecting groove, the outer cover is screwed by hand, the outer cover rotates, the inner cover does not rotate, and the oil tank port is kept closed.
Further, the locking lever lower extreme is equipped with spacing portion, the connecting hole lower extreme is equipped with and is used for holding spacing portion hold the chamber, hold the chamber and locate the spread groove top, be equipped with first lockhole on the locking lever, when first lockhole is located the connecting hole top spacing portion is located hold the intracavity, first lockhole department is equipped with the padlock.
When the padlock is locked in the first lock hole, the lower end of the lock rod is arranged in the accommodating cavity and is not contacted with the connecting groove, the outer cover is screwed by hand, the outer cover rotates, the inner cover does not rotate, and the oil tank opening is kept closed. When the first lock hole is not padlock, the lock rod falls into the connecting groove under the action of gravity, the lock rod connects the outer cover and the inner cover into a whole, and the outer cover can be driven to rotate together by screwing the outer cover by hand, so that the oil tank opening is opened.
Further, an annular groove is formed in the inner wall surface of the outer cover, a C-shaped clamping ring is embedded in the annular groove, the C-shaped clamping ring is propped against the lower end surface of the inner cover, and the diameter of the inner wall of the C-shaped clamping ring is not smaller than that of the inner wall of the inner cover.
Further, a second lock hole is arranged above the first lock hole. When the customer does not want to mount the padlock temporarily, but worry about the loss of the padlock, the padlock can be positioned in the second lock hole, so that the loss is prevented.
Further, the outer cover is provided with patterns for increasing friction force with the palm.
The beneficial effects of the utility model are as follows: according to the fuel tank cover lock for the engineering machinery, the connecting state of the outer cover and the inner cover is adjusted by the lock rod, when the padlock is arranged on the first lock hole, the whole fuel tank cover is in the locking state, the oil tank is not opened by rotating the outer cover in the locking state, the mold opening development is not needed again, and the manufacturing is rapid and the cost is low.
Drawings
The utility model is further described below with reference to the drawings and examples.
FIG. 1 is an exploded view of a preferred embodiment of the present utility model;
Fig. 2 is a schematic cross-sectional view of a preferred embodiment of the present utility model.
In the figure: 1. the outer cover, 11, the connecting hole, 12, the accommodating cavity, 2, the inner cover, 21, the connecting groove, 3, the C-shaped snap ring, 4, the lock rod, 41, the first lock hole, 42, the second lock hole, 43, the limiting part, 5 and the padlock.
Detailed Description
The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.
As shown in fig. 1 and 2, the fuel tank cover lock for engineering machinery of the utility model comprises an outer cover 1 and an inner cover 2, wherein the inner cover 2 is in threaded connection with a fuel tank port, the inner cover 2 is arranged on the inner side of the outer cover 1 and is in rotary connection with the outer cover 1, a plurality of connecting grooves 21 are formed in the top end of the inner cover 2 along the circumferential direction, the axes of the connecting grooves 21 are arranged on the same circumferential surface, a connecting hole 11 is eccentrically formed in the top end of the outer cover 1, the axes of the connecting holes 11 are arranged on the circumferential surface where the axes of the connecting grooves 21 are located, and a lock rod 4 which can extend into or withdraw from the connecting grooves 21 is arranged in the connecting hole 11.
The lower extreme of locking lever 4 is equipped with spacing portion 43, the connecting hole 11 lower extreme is equipped with and is used for holding spacing portion 43 hold chamber 12, hold chamber 12 and locate the spread groove 21 top, be equipped with first lockhole 41 on the locking lever 4, when first lockhole 41 locates connecting hole 11 top spacing portion 43 locates hold chamber 12, first lockhole 41 department is equipped with padlock 5.
The inner wall surface of the outer cover 1 is provided with an annular groove, a C-shaped clamping ring 3 is embedded in the annular groove, the C-shaped clamping ring 3 is propped against the lower end surface of the inner cover 2, and the diameter of the inner wall of the C-shaped clamping ring 3 is not smaller than that of the inner wall of the inner cover 2.
A second lock hole 42 is provided above the first lock hole 41.
The outer cover 1 is provided with patterns for increasing friction force with the palm.
Working principle:
When the padlock 5 is locked in the first lock hole 41, the lower end of the lock rod 4 is arranged in the accommodating cavity 12 and is not in contact with the connecting groove 21, the outer cover 1 is screwed by hand, the outer cover 1 rotates, the inner cover 2 does not rotate, and the oil tank opening is kept closed. When the padlock 5 is not locked in the first lock hole 41, the lock rod 4 falls into the connecting groove 21 under the action of gravity, the lock rod 4 connects the outer cover 1 and the inner cover 2 into a whole, and the outer cover 1 can be driven to rotate together by screwing the outer cover 1 by hand, so that the oil tank opening is opened.
Directions and references (e.g., up, down, left, right, etc.) in this utility model may be used only to aid in the description of features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. The utility model provides a fuel tank cover lock for engineering machine tool which characterized in that: including enclosing cover (1) and inner cup (2), inner cup (2) and oil tank mouth threaded connection, outer cup (1) inboard is located to inner cup (2) with outer cup (1) rotate and are connected, inner cup (2) top is equipped with a plurality of spread grooves (21) along circumference, a plurality of spread groove (21) axis is located on same periphery, outer cup (1) top eccentric is provided with connecting hole (11), connecting hole (11) axis is located on the periphery at a plurality of spread groove (21) axis place, be equipped with in connecting hole (11) locking lever (4) that can stretch into or withdraw from in the spread groove (21).
2. A fuel tank cap lock for construction machinery as claimed in claim 1, wherein: the utility model discloses a lock, including connecting hole (41), connecting hole (11), locking lever (4) lower extreme is equipped with spacing portion (43), connecting hole (11) lower extreme is equipped with and is used for holding chamber (12) of spacing portion (43), holding chamber (12) are located spread spectrum (21) top, be equipped with first lockhole (41) on locking lever (4), when connecting hole (11) top is located in spacing portion (43) are located hold in chamber (12), first lockhole (41) department is equipped with padlock (5).
3. A fuel tank cap lock for construction machinery as claimed in claim 1, wherein: the novel inner cover is characterized in that an annular groove is formed in the inner wall surface of the outer cover (1), a C-shaped clamping ring (3) is embedded in the annular groove, the C-shaped clamping ring (3) is propped against the lower end surface of the inner cover (2), and the diameter of the inner wall of the C-shaped clamping ring (3) is not smaller than that of the inner wall of the inner cover (2).
4. A fuel tank cap lock for construction machinery as claimed in claim 2, wherein: a second lock hole (42) is arranged above the first lock hole (41).
5. A fuel tank cap lock for construction machinery as claimed in claim 1, wherein: the outer cover (1) is provided with patterns for increasing friction force with the palm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322275530.4U CN220815231U (en) | 2023-08-23 | 2023-08-23 | Fuel tank cover lock for engineering machinery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322275530.4U CN220815231U (en) | 2023-08-23 | 2023-08-23 | Fuel tank cover lock for engineering machinery |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220815231U true CN220815231U (en) | 2024-04-19 |
Family
ID=90709524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322275530.4U Active CN220815231U (en) | 2023-08-23 | 2023-08-23 | Fuel tank cover lock for engineering machinery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220815231U (en) |
-
2023
- 2023-08-23 CN CN202322275530.4U patent/CN220815231U/en active Active
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