Oil tank truck with hoop type manhole cover incapable of being opened through bolt

By adding locking devices and seals to the clamp-type manhole covers of oil tankers, the problem of easy theft in existing technologies has been solved, thereby improving the safety and anti-theft performance of oil tankers.

CN223905751UActive Publication Date: 2026-02-13SINOTRUK HUBEI HUAWIN SPECIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202520444023.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-13
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The clamp-type manhole covers on existing oil tankers are easily opened illegally, leading to a high risk of oil theft.

Method used

A locking device and a seal are added to the clamp-type manhole cover. The locking is achieved by padlock and clamp lock seat to prevent the bolts from being removed. A seal is installed on the outside of the flange cover to cover the bolts.

Benefits of technology

It effectively prevents oil tankers from being stolen, improving safety and anti-theft performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223905751U_ABST
    Figure CN223905751U_ABST
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Abstract

The oil tank truck comprises a chassis and an oil tank arranged on the chassis, a hoop type manhole cover base is fixedly arranged on the top of the oil tank, the hoop type manhole cover is movably arranged on the upper portion of the hoop type manhole cover base, and the hoop type manhole cover is arranged on the upper portion of the hoop type manhole cover base. A hoop with an opening is arranged on the periphery of the joint of the hoop type manhole cover and the hoop type manhole cover base in a hooping mode, a locking device used for locking the hoop is arranged at the opening of the hoop, and a manhole large cover of the hoop type manhole cover is provided with a sealing piece used for shielding flange covers arranged on the manhole large cover. The hoop type manhole cover has the advantages that the locking device is additionally arranged on the hoop, so that the whole hoop type manhole cover is prevented from being directly opened by detaching a bolt on the hoop; the corresponding sealing pieces are additionally arranged outside the flange covers on the large manhole cover, so that the flange covers can be prevented from being directly opened by detaching bolts on the flange covers; and the risk that the oil tank truck is stolen can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil tank truck technical field, specifically relates to an oil tank truck incapable of opening the clamp type manhole cover through bolt. BACKGROUND

[0002] In prior art, as shown in the figure, the clamp type manhole cover 4 of the oil tank truck is connected with the clamp type manhole cover base 3 only through the clamp 5 + clamp locking bolt 9, and the flange cover 402 of each accessory interface of the manhole large cover 401 is connected with the manhole large cover 401 through connecting bolt, and the above bolts are directly exposed outside without any blocking measures. Figure 1 In actual use, the clamp type manhole cover arranged in this way usually has the following defects: anyone can open the flange cover 402 by directly unscrewing the connecting bolt of each flange cover 402 on the manhole large cover 401, so as to facilitate stealing the oil in the tank through this part; in addition, the clamp 5 can be removed by directly unscrewing the clamp locking bolt 9 on the clamp 5, so as to remove the entire clamp type manhole cover 4, thereby facilitating the stealing of the oil in the tank. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing an oil tank truck incapable of opening the clamp type manhole cover through bolt, to solve the technical problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] An oil tank truck incapable of opening the clamp type manhole cover through bolt, comprising a chassis and an oil tank arranged on the chassis, wherein the top of the oil tank is fixedly provided with a clamp type manhole cover base, the clamp type manhole cover base is movably provided with a clamp type manhole cover on the upper part, the clamp type manhole cover is provided with a clamp with an opening on the outer periphery of the joint part with the clamp type manhole cover base, the opening of the clamp is provided with a locking device for locking the clamp, and the manhole large cover of the clamp type manhole cover is provided with a sealing element for shielding each flange cover arranged thereon.

[0006] Further, the locking device comprises a lock plate and two padlocks, the lock plate is movably lapped on the two clamp lock seats arranged at the opening of the clamp, and the two padlocks are respectively hung on the two clamp lock seats and the lock plate, to lock the lock plate and the two clamp lock seats together.

[0007] Further, the two clamp lock seats are symmetrically arranged at the two ends of the opening of the clamp and are fixedly connected with the clamp.

[0008] Further, the two clamping lock seats are internally provided with a clamping lock bolt, which is used to realize the locking connection and disconnection of the two clamping lock seats.

[0009] Further, the front side of each clamping lock seat is provided with a support plate, which is used to support a lock plate and realize the locking connection or disconnection with the lock plate through a padlock.

[0010] Further, a first lock hole for passing a padlock is formed on each support plate, and two second lock holes for passing a padlock are formed on the lock plate, the two second lock holes on the lock plate correspond to the first lock holes on the two support plates one by one, and are locked and connected by a padlock respectively.

[0011] Further, a sealing gasket is arranged between the clamping manhole cover base and the clamping manhole cover.

[0012] Further, the clamping manhole cover is an aluminum alloy European standard manhole cover.

[0013] Compared with the prior art, the advantages of the utility model are as follows: by additionally arranging a locking device on the clamping, it can effectively prevent anyone from directly opening the clamping manhole cover by removing the bolts on the clamping manhole cover; by additionally arranging corresponding sealing members on the outer part of each flange cover of the manhole cover, it can effectively prevent anyone from directly opening the flange cover by removing the bolts on the flange cover; and the risk of oil tank truck being stolen can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 is a top view structural schematic diagram of the prior clamping manhole cover;

[0016] Figure 2 is a top view structural schematic diagram of the clamping manhole cover embodiment provided by the utility model;

[0017] Figure 3 is a three-dimensional structural schematic diagram of the clamping manhole cover embodiment provided by the utility model;

[0018] Figure 4 is Figure 3 is an enlarged view of A in Fig.

[0019] Figure 5is the explosion structure schematic diagram of the hoop type manhole cover embodiment provided by the utility model;

[0020] Figure 6 is the structure schematic diagram of the hoop;

[0021] Figure 7 is the schematic diagram of the tank truck embodiment of the hoop type manhole cover which cannot be opened by bolt provided by the utility model;

[0022] Mark explanation: 1, chassis; 2, oil tank; 3, hoop type manhole cover base; 4, hoop type manhole cover; 5, hoop; 6, lock plate; 7, padlock; 8, hoop lock seat; 9, hoop locking bolt; 10, support plate; 11, first lock hole; 12, second lock hole; 13, sealing element; 14, sealing washer. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model below, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0025] In the description of the embodiment of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, they should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The utility model will be further described below in combination with the drawings:

[0027] Reference Figures 2 to 7The utility model discloses a tank truck embodiment incapable of opening the clamp type manhole cover through the bolt, comprising a chassis 1 and the oil tank 2 of setting on the chassis 1, the top of the oil tank 2 is fixedly provided with the clamp type manhole cover base 3, the upper part of the clamp type manhole cover base 3 is movably provided with the clamp type manhole cover 4, the outer periphery hoop of the joint part of the clamp type manhole cover 4 and the clamp type manhole cover base 3 is provided with the clamp 5 with the opening, the opening of the clamp 5 is provided with the locking device for locking the clamp 5, and the manhole large cover 401 of the clamp type manhole cover 4 is provided with the sealing element 13 for shielding each flange cover 403 arranged thereon.

[0028] Specifically, referring to Figure 3 and Figure 4 , the locking device comprises a locking plate 6 and two padlocks 7, and the locking plate 6 is movably lapped on the two clamp lock seats 8 arranged at the opening of the clamp 5, and the two padlocks 7 are respectively hung on the two clamp lock seats 8 and the locking plate 6, for locking the locking plate 6 and the two clamp lock seats 8 together.

[0029] Specifically, referring to Figures 3 to 6 , the two clamp lock seats 8 are symmetrically arranged at the two ends of the opening of the clamp 5 and are fixedly connected with the clamp 5.

[0030] Specifically, referring to Figures 2 to 5 , the two clamp lock seats 8 are symmetrically arranged at the two ends of the opening of the clamp 5 and are fixedly connected with the clamp 5.

[0031] Specifically, referring to Figure 6 , the front side of each clamp lock seat 8 is provided with a support plate 10, and the support plate 10 is used for supporting the locking plate 6 and locking or disconnecting the locking plate 6 through the padlock 7.

[0032] Specifically, referring to Figures 2 to 6 , a first lock hole 11 for penetrating the padlock 7 is formed in each support plate 10, and two second lock holes 12 for penetrating the padlock 7 are formed in the locking plate 6, and the two second lock holes 12 formed in the locking plate 6 correspond to the first lock holes 11 formed in the two support plates 10 one by one and are locked by one padlock 7.

[0033] Specifically, in order to improve the sealing property between the base and the cover, referring to Figure 4 , the clamp type manhole cover base 3 and the clamp type manhole cover 4 are further provided with a sealing washer 14.

[0034] Specifically, in the utility model, the clamp type manhole cover 4 is an aluminum alloy European standard manhole cover, which belongs to the prior art and is mainly composed of a manhole large cover 401, a manhole small cover 402 and various additional auxiliary ports, wherein the manhole small cover 402 is arranged on the manhole large cover 401 and needs to be opened by a special key. Since the specific structure of the clamp type manhole cover 4 is not the focus of the application to be protected, the specific structure is not described in detail in the application.

[0035] Specifically, in the utility model, the sealing element 13 is arranged outside the flange cover 403 and a vent hole is formed in the top of the sealing element 13. The sealing element 13 can effectively shield the flange covers 403, prevent the bolts on the flange covers 403 from being directly exposed outside, prevent anyone from opening the flange cover 403 by unscrewing the bolts on the flange cover 403, and avoid stealing oil from the oil tank 2 through the opened flange cover.

[0036] The oil tank truck with the clamp type manhole cover that cannot be opened by bolts provided by the utility model embodiment has the following working principle:

[0037] If the oil tank truck is to be filled with oil, the manhole small cover 402 of the clamp type manhole cover 4 needs to be opened by using a corresponding key first, so that the oil inlet (i.e. the position corresponding to the manhole small cover 402) on the clamp type manhole cover 4 is opened, then the external oil inlet pipe is inserted into the oil tank 2 of the oil tank truck through the oil inlet, and the oil tank truck can be filled with oil.

[0038] If a person needs to enter the oil tank 2 for maintenance, the two padlocks 7 need to be opened by using corresponding keys first, then the lock plate 6 is removed, the clamp locking bolt 9 is removed, the opening of the clamp 5 is then pried open to the two sides, the clamp 5 is removed from the periphery of the clamp type manhole cover 4, and finally the entire clamp type manhole cover 4 can be removed, so that the person can enter the oil tank 2 through the clamp type manhole cover base 3 for maintenance.

[0039] The utility model has the following advantages: by additionally arranging a locking device on the clamp 5, anyone cannot directly open the clamp type manhole cover 3 by removing the clamp locking bolt 9 on the clamp type manhole cover 3; by additionally arranging a corresponding sealing element 13 outside each flange cover 403 of the manhole large cover 401, anyone cannot directly open the flange cover 403 by removing the bolts on the flange cover 403; and the risk of the oil tank truck being stolen can be effectively avoided.

[0040] Finally, it should be noted that the above description is only an embodiment of the utility model, and does not limit the patent range of the utility model. Any equivalent structure or equivalent process conversion based on the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A tank vehicle incapable of opening a clamp type manhole cover by a bolt, comprising a chassis (1) and a tank (2) arranged on the chassis (1), characterized in that: The top of the oil tank (2) is fixedly provided with a clamp type manhole cover base (3), the upper part of the clamp type manhole cover base (3) is movably provided with a clamp type manhole cover (4), the outer periphery hoop of the joint part of the clamp type manhole cover (4) and the clamp type manhole cover base (3) is provided with a clamp (5) with an opening, the opening of the clamp (5) is provided with a locking device for locking the clamp (5), the manhole large cover (401) of the clamp type manhole cover (4) is provided with a sealing element (13) for shielding each flange cover arranged thereon.

2. The tank vehicle with a hoop-type manhole cover that cannot be opened by a bolt according to claim 1, characterized in that: The locking device comprises a lock plate (6) and two padlocks (7), the lock plate (6) is movably lapped on two clamp lock seats (8) arranged at the opening of the clamp (5), the two padlocks (7) are respectively hung on the two clamp lock seats (8) and the lock plate (6), and are used for locking the lock plate (6) and the two clamp lock seats (8) together.

3. The tank vehicle with a hoop-type manhole cover that cannot be opened by a bolt according to claim 2, characterized in that: The two clamp lock seats (8) are symmetrically arranged at both ends of the opening of the clamp (5) and are fixedly connected with the clamp (5).

4. The tank vehicle with a hoop-type manhole cover that cannot be opened by a bolt according to claim 3, characterized in that: A clamp locking bolt (9) is arranged in the two clamp lock seats (8), and the clamp locking bolt (9) is used for locking and disconnecting the two clamp lock seats (8).

5. The tank vehicle with the hoop-type manhole cover that cannot be opened by a bolt according to claim 3, characterized in that: Each of the front sides of the clamp lock seats (8) is provided with a support plate (10), the support plate (10) is used for supporting the lock plate (6) and is used for locking and disconnecting the lock plate (6) through the padlock (7).

6. The tank vehicle with a hoop-type manhole cover that cannot be opened by a bolt according to claim 5, characterized in that: Each of the support plates (10) is provided with a first lock hole (11) for penetrating the padlock (7), the lock plate (6) is provided with two second lock holes (12) for penetrating the padlock (7), the two second lock holes (12) arranged on the lock plate (6) correspond to the first lock holes (11) arranged on the two support plates (10) one by one, and are locked and connected through a padlock (7) respectively.

7. The tank vehicle with a hoop-type manhole cover that cannot be opened by a bolt according to claim 1, characterized in that: A sealing washer (14) is further arranged between the clamp type manhole cover base (3) and the clamp type manhole cover (4).

8. The tank vehicle with a hoop-type manhole cover that cannot be opened by a bolt according to claim 1, characterized in that: The clamp type manhole cover (4) is an aluminum alloy European standard manhole cover.