CN211335843U

CN211335843U - Bottom anti-drop backplate for car

Info

Publication number: CN211335843U
Application number: CN201922042793.4U
Authority: CN
Inventors: 李惟肖
Original assignee: Dongying Vocational College Of Science & Technology
Current assignee: Dongying Vocational College Of Science & Technology
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-25
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a bottom anti-drop protective plate for an automobile, which comprises a protective plate main body, a sinking part, a first cover plate, an air inlet and a second cover plate, the utility model is characterized in that a fastening device is arranged at the front end of a connecting port for fast replacing the protective plate, firstly, when a user needs to replace the protective plate, the pin shaft of the fastening device is unlocked through a locking mechanism, the user firstly presses down the pin shaft to release the locking of a fixed block, then the user rotates a locking cover and the pin shaft of the fastening device to release the fixing of the protective plate, then the user can damage the replacement of the automobile bottom anti-drop protective plate, after the replacement is completed, the user restores the fixing of the locking cover and the pin shaft, then the pin shaft and the fixed block are fixed again, the whole replacement activity is completed, thereby the fast disassembly of the automobile bottom anti-drop protective plate is achieved, and the replacement, the workload of the user is reduced.

Description

Bottom anti-drop backplate for car

Technical Field

The utility model relates to an anti-drop backplate technical field, concretely relates to bottom anti-drop backplate for car.

Background

The anti-drop backplate in bottom of the automobile is installed on the automobile chassis and corresponds the below of engine position for protect engine bottom, on some non-pavement road surfaces or on uneven road, the anti-drop backplate in bottom of the automobile is very effective to the protection of automobile engine bottom, if the bottom of the automobile contacts with the road surface, and the anti-drop backplate in bottom of the automobile is the inside part of protection car that will be fine.

But present car bottom anti-drop backplate is when long-time use, and car bottom anti-drop backplate surface takes place wearing and tearing to damage easily, and damages just need the change of guard plate when certain degree, and when changing, through long-time use guard plate and the easy rust of car junction bolt to make whole dismantlement process cost time long, make user's work load increase, reduce the work efficiency of whole change.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the bottom anti-drop backplate for the car has now been proposed, when having solved and having changed, rust easily through long-time use guard plate and car junction bolt to make whole dismantlement process cost time long, make user's work load increase, reduce the problem of the work efficiency of whole change, reach the quick dismantlement to car bottom anti-drop backplate, improve the holistic change efficiency of guard plate, reduce the effect of user's work load.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a bottom anti-drop backplate for automobile, including guard plate main part, the portion of sinking, first apron, air intake, second apron and fastener, guard plate main part front end middle part is provided with the portion of sinking, the portion of sinking front end top has seted up the air intake, and the portion of sinking front end top lower extreme has seted up the air outlet, first apron rear end is through bolted connection in guard plate main part front end upper end middle part, second apron rear end is through bolted connection in the portion of sinking front end left side lower extreme, the upper and lower both ends of the left and right sides of guard plate main part have all seted up the connector, the connector is inside to be provided with the automobile screw rod, fastener installs in the connector front end, fastener comprises round pin axle, screw rod, spheroid thread groove, metal ball, pull-down mouth, locking lid, locking mechanical system and first pivot, round pin axle lower extreme and screw rod welded fastening, and the lower end of the pin shaft penetrates through the middle part of the top end of the locking cover, the screw is in threaded connection with the metal ball through a ball thread groove, the ball thread groove is formed in the middle end inside the metal ball, the metal ball is installed inside the top end of the automobile screw, the pull-down opening is formed in the right side of the top end of the automobile screw, the locking cover is in threaded connection with the upper end of the automobile screw, the locking mechanism is arranged on the right side of the upper end of the protection plate main body, one end of the first rotating shaft is rotatably connected with the inside of the automobile screw, and the other end of.

Further, locking mechanical system comprises fixed block, second pivot, connecting piece, holding down plate, compression spring, spring groove and sliding tray, the fixed block lower extreme passes through the second pivot and is connected with the connecting piece rotation, connecting piece lower extreme and guard plate main part welded fastening, both ends and sliding tray sliding connection around the holding down plate, compression spring sets up in the spring inslot to both ends laminate with holding down plate bottom and the inside bottom of spring inslot respectively about compression spring, the spring groove is seted up in the inside middle-end in locking lid right side, the sliding tray is seted up in spring inslot front and back both ends middle part.

Furthermore, a fixed clamping block is arranged at the top end of the pin shaft, and a rubber soft layer is arranged on the outer surface of the fixed clamping block of the pin shaft.

Furthermore, a zinc coating is electroplated on the outer surface of the screw rod, and lubricating oil is arranged at a thread locking joint of the screw rod and the spherical thread groove.

Furthermore, a ball thread groove is formed in the metal ball, and does not penetrate through the metal ball, and the metal ball can rotate along the first rotating shaft by an angle of 90 degrees.

Furthermore, the fixed block can be 90 along the second pivot turned angle to the fixed block has seted up anti-skidding line with round pin axle fastening locking department.

Further, the outer surface of the compression spring is provided with a metal protective layer, and the compression spring can be clamped and fixed by 8N.

Furthermore, both ends are provided with little sliding block around the fixed block to the little sliding block of fixed block is 8CM along the biggest sliding distance in sliding tray upper end.

Furthermore, the pin shaft is made of stainless steel.

Furthermore, compression spring adopts the musical instrument steel wire material to make.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problems that bolts at the joint of a protection plate and an automobile are easy to rust after long-time use during replacement, so that the overall disassembly process takes long time, the workload of a user is increased, and the overall replacement work efficiency is reduced, the protection plate is quickly replaced by arranging a fastening device at the front end of a connector, firstly, when the protection plate is to be replaced by the user, a pin shaft of the fastening device is unlocked by a locking mechanism, the user firstly presses down the pin shaft to release the locking of a fixed block, then, the user rotates a locking cover and the pin shaft of the fastening device to release the fixing of the protection plate, then, the user can damage the replacement of an anti-falling protection plate at the bottom of the automobile, after the replacement is completed, the user restores the fixing of the locking cover and the pin shaft, then, the pin shaft and the fixed block are fixed again, the whole replacement activity is completed, and the quick disassembly of, the overall replacement efficiency of the protection plate is improved, and the workload of a user is reduced.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the fastening device of the present invention;

fig. 3 is a schematic left sectional view of the fastening device of the present invention;

FIG. 4 is a schematic view of the locking mechanism of the present invention;

fig. 5 is an enlarged schematic view of the fastening device locking mechanism a of the present invention.

In the figure: the protective plate comprises a protective plate main body-1, a sunken part-2, a first cover plate-3, an air inlet-4, a second cover plate-5, an air outlet-6, a connecting port-7, an automobile screw-8, a fastening device-9, a pin shaft-91, a screw-92, a spherical thread groove-93, a metal ball-94, a pull-down port-95, a locking cover-96, a locking mechanism-97, a first rotating shaft-98, a fixing block-971, a second rotating shaft-972, a connecting piece-973, a lower pressing plate-974, a compression spring-975, a spring groove-976 and a sliding groove-977.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a bottom anti-falling guard plate for an automobile: the anti-theft device comprises a protection plate main body 1, a sinking part 2, a first cover plate 3, an air inlet 4, a second cover plate 5 and a fastening device 9, wherein the middle part of the front end of the protection plate main body 1 is provided with the sinking part 2, the top part of the front end of the sinking part 2 is provided with the air inlet 4, the lower end of the top part of the front end of the sinking part 2 is provided with an air outlet 6, the rear end of the first cover plate 3 is connected with the middle part of the upper end of the front end of the protection plate main body 1 through a bolt, the rear end of the second cover plate 5 is connected with the lower end of the left side of the front end of the sinking part 2 through a bolt, the upper end and the lower end of the left side and the right side of the protection plate main body 1 are both provided with a connecting port 7, an automobile screw 8 is arranged inside the connecting port 7, the fastening device 9 is arranged at the front, and the round pin axle 91 lower extreme runs through locking lid 96 top middle part, screw rod 92 passes through spheroid thread groove 93 and metal ball 94 threaded connection, spheroid thread groove 93 sets up in the inside middle-end of metal ball 94, metal ball 94 installs inside 8 tops of automobile screw, lower draw-down opening 95 is seted up on 8 tops of automobile screw right sides, locking

lid

96 and 8 upper end threaded connection of automobile screw, and be favorable to realizing that first fixed stable better, locking mechanical system 97 sets up in protection plate main part 1 upper end right side, and be favorable to the better fixed difficult not hard up of fastener 9, first pivot 98 one end is connected with the inside rotation of automobile screw 8, and the first pivot 98 other end and metal ball 94 welded fastening, and be favorable to driving the better rotation of round pin axle 91.

Wherein, locking mechanism 97 comprises fixed block 971, second pivot 972, connecting piece 973, holding down plate 974, compression spring 975, spring groove 976 and sliding tray 977, the fixed block 971 lower extreme is rotated with connecting piece 973 through second pivot 972 and is connected, connecting piece 973 lower extreme and guard plate main part 1 welded fastening, both ends and sliding tray 977 sliding connection around holding down plate 974, compression spring 975 sets up inside spring groove 976 to both ends laminate with the inside bottom of holding down plate 974 bottom and spring groove 976 respectively about compression spring 975, spring groove 976 is seted up in the inside middle-end in locking lid 96 right side, both ends middle part around spring groove 976 is seted up to sliding tray 977 is inside.

The top end of the pin shaft 91 is provided with a fixed clamping block, and the outer surface of the fixed clamping block of the pin shaft 91 is provided with a rubber soft layer, so that the pin shaft 91 is better matched with the fixed block 971 for fixation.

The outer surface of the screw 92 is plated with a zinc coating, and lubricating oil is arranged at a thread locking joint of the screw 92 and the spherical thread groove 93, so that the screw 92 is not easy to rust, and the threads are smoothly locked by rotation.

The metal ball 94 is provided with a ball thread groove 93 which does not penetrate through the metal ball 94, and the metal ball 94 can rotate along the first rotating shaft 98 by 90 degrees, so that the metal ball 94 can drive the pin shaft 91 to rotate to realize better fixation.

Wherein, the fixed block 971 can be followed second pivot 972 turned angle and be 90 to fixed block 971 has seted up anti-skidding line with round pin axle 91 fastening locking department, makes the fixed effect of fixed block 971 not hard up better.

The outer surface of the compression spring 975 is provided with a metal protective layer, and the compression spring 975 can be clamped and fixed by 8N, so that the compression spring 975 is good in clamping and fixing effect.

The front end and the rear end of the fixed block 971 are provided with small sliding blocks, and the maximum sliding distance of the small sliding blocks of the fixed block 971 along the upper end of the sliding groove 977 is 8CM, so that the fixed block 971 can better move up and down on the sliding groove 977.

The pin shaft 91 is made of stainless steel.

Wherein, compression spring 975 adopts the piano wire material to make.

This patent the round pin axle 91: the fastening piece is a standardized fastening piece, can be statically and fixedly connected, can also move relative to a connected piece, is mainly used for the hinged part of two parts to form hinged connection, and a pin shaft is usually locked by a cotter pin, so that the operation is reliable, and the disassembly is convenient; the compression spring 975: the spring is a spiral spring bearing pressure, the section of the material used by the spring is mostly circular, and the spring is also rolled by rectangular and multi-strand steel ropes, the spring is generally equidistant, and the shape of the compression spring is as follows: the compression spring is cylindrical, conical, convex and concave, and a small number of non-circular shapes, and the like, a certain gap is reserved between the rings of the compression spring, and the compression spring contracts and deforms when subjected to external load, so that deformation energy is stored.

The working principle is as follows: when a user needs to use the anti-drop guard plate at the bottom of the automobile, the anti-drop guard plate at the bottom of the automobile is fixed at the bottom of the automobile through an automobile screw 8 arranged in a connecting port 7, then the air inlet 4 and the air outlet 6 arranged at the sinking part 2 arranged on a guard plate main body 1 realize the inlet and the outlet of external air, so as to realize the heat dissipation of internal parts and prevent the internal parts from being damaged due to overheating, the anti-drop guard plate at the bottom of the automobile can protect the bottom of the automobile when the automobile runs on an uneven road, and prevent the parts in the automobile from being damaged due to collision, but after long-time use of the existing anti-drop guard plate at the bottom of the automobile, the whole protection effect is reduced, a new guard plate needs to be replaced, but after long-time use, the connecting part of the automobile screw 8 and, therefore, the protective plate replacement process is long, the efficiency is low, and therefore, in order to better replace the anti-drop protective plate at the bottom of the automobile, the anti-drop protective plate at the bottom of the automobile is quickly replaced by arranging the fastening device 9 at the front end of the connecting port, firstly, when a user needs to replace the protective plate, the pin shaft 91 of the fastening device 9 is unlocked by the locking mechanism 97, the user firstly presses the pin shaft 91 downwards to enable the fixed block 971 to rotate out, after the fixed block 971 rotates out, the user continuously rotates the fixed block 971 for 90 degrees by the second rotating shaft 972 to enable the original longitudinal fixed block 971 to rotate transversely, the user also rotates the pin shaft 91 for 90 degrees to rotate into the vertical direction, then, the user can rotate the locking cover 96 of the fastening device 9 to firstly release the first fixation of the protective plate, along with the continuous rotation of the locking cover 96, the locking cover 96 can rotate to the pin shaft, after the primary fixation is released, a user releases the secondary fixation of the protection plate, the user drives the screw 92 with the lower end welded and fixed through rotating the pin shaft 91, the screw 92 at the bottom is slowly screwed out from the ball thread groove 93 formed in the middle end inside the metal ball 94 along with the continuous rotation of the pin shaft 91, when the screw 92 is completely screwed out, the secondary fixation of the protection plate is completed, then the user can damage the replacement of the anti-falling protection plate at the bottom of the automobile, after the replacement is completed, the user screws the screw 92 into the ball thread groove 93 to recover the secondary fixation, then the locking cover 96 opened by rotation is fastened and connected with the upper end thread of the automobile screw 8 to realize the recovery of the primary fixation, after the primary fixation is completed, the vertical pin shaft 91 is pulled down to the lower pull opening 95, and in the process of pulling down, the pin shaft 91 contacts and presses the pressing plate 974, and the compression spring 975 arranged in the spring groove 976 is driven to press downwards along with the pressing of the lower pressing plate 974, when a user presses the pin shaft 91 downwards to the lowest end, the transverse fixed block 971 is pulled to be longitudinal, the middle end in the fixed block 971 passes through the top end of the pin shaft 91 in the pulling process, then the user can loosen the pressed pin shaft 91, so that the compression spring 975 in the spring groove 976 releases the pressing force to realize rebound resetting, the lower pressing plate 974 is jacked up the pin shaft 91, and the top end of the pin shaft 91 is contacted with the fixed block 971, therefore, the rebound of the compression spring 975 increases the contact force between the pin shaft 91 and the fixed block 971, the fixation is more stable and is not easy to loosen, the protective plate is prevented from falling off in the moving process of the automobile, and finally, the arrangement of the fastening device 9 achieves the quick disassembly of the anti-falling protective plate at the bottom of the automobile, and, the workload of the user is reduced.

The basic principle and the main characteristics of the present invention and the advantages of the present invention have been shown and described above, and the present invention uses standard parts that can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the attached drawings, the specific connection mode of each part is all the conventional means such as bolt and rivet, welding, etc. mature in the prior art, and the machinery, parts and equipment are all adopted in the prior art, and the conventional model is added with the conventional connection mode in the prior art, and detailed description is not repeated herein.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The bottom anti-falling guard plate for the automobile comprises a guard plate main body (1), a sinking part (2), a first cover plate (3), an air inlet (4) and a second cover plate (5), wherein the sinking part (2) is arranged in the middle of the front end of the guard plate main body (1), the air inlet (4) is formed in the top of the front end of the sinking part (2), an air outlet (6) is formed in the lower end of the top of the front end of the sinking part (2), the rear end of the first cover plate (3) is connected to the middle of the upper end of the front end of the guard plate main body (1) through bolts, the rear end of the second cover plate (5) is connected to the lower end of the left side of the front end of the sinking part (2) through bolts, connectors (7) are formed in the upper end and the lower end of the left side;

the method is characterized in that: the automobile screw rod locking device is characterized by further comprising a fastening device (9), the fastening device (9) is installed at the front end of the connecting port (7), the fastening device (9) is composed of a pin shaft (91), a screw rod (92), a spherical thread groove (93), a metal ball (94), a pull-down port (95), a locking cover (96), a locking mechanism (97) and a first rotating shaft (98), the lower end of the pin shaft (91) is fixedly welded with the screw rod (92), the lower end of the pin shaft (91) penetrates through the middle of the top end of the locking cover (96), the screw rod (92) is in threaded connection with the metal ball (94) through the spherical thread groove (93), the spherical thread groove (93) is arranged at the middle end inside the metal ball (94), the metal ball (94) is installed inside the top end of the automobile screw rod (8), the pull-down port (95) is arranged on the right side of the top end of the automobile screw rod (8), the locking cover (, locking mechanical system (97) set up in guard plate main part (1) upper end right side, first pivot (98) one end is connected with car screw rod (8) inside rotation to first pivot (98) other end and metal ball (94) welded fastening.

2. The bottom dropout prevention guard board for an automobile according to claim 1, wherein: locking mechanical system (97) comprise fixed block (971), second pivot (972), connecting piece (973), holding down plate (974), compression spring (975), spring groove (976) and sliding tray (977), fixed block (971) lower extreme rotates through second pivot (972) and connecting piece (973) and is connected, connecting piece (973) lower extreme and guard plate main part (1) welded fastening, both ends and sliding tray (977) sliding connection around holding down plate (974), compression spring (975) set up inside spring groove (976) to both ends laminate with holding down plate (974) bottom and the inside bottom in spring groove (976) respectively about compression spring (975), spring groove (976) are seted up in the inside middle part in locking lid (96) right side, sliding tray (977) are seted up in the inside middle part in both ends around spring groove (976).

3. The bottom dropout prevention guard board for an automobile according to claim 1, wherein: the top end of the pin shaft (91) is provided with a fixed clamping block, and the outer surface of the fixed clamping block of the pin shaft (91) is provided with a rubber soft layer.

4. The bottom dropout prevention guard board for an automobile according to claim 1, wherein: the outer surface of the screw rod (92) is electroplated with a zinc coating, and lubricating oil is arranged at a thread locking joint of the screw rod (92) and the spherical thread groove (93).

5. The bottom dropout prevention guard board for an automobile according to claim 1, wherein: a ball thread groove (93) is formed in the metal ball (94) and does not penetrate through the metal ball (94), and the metal ball (94) can rotate along the first rotating shaft (98) by an angle of 90 degrees.

6. The bottom dropout prevention guard board for an automobile according to claim 2, wherein: the fixed block (971) can be 90 degrees along the rotation angle of the second rotating shaft (972), and anti-skid grains are arranged at the fastening and locking position of the fixed block (971) and the pin shaft (91).

7. The bottom dropout prevention guard board for an automobile according to claim 2, wherein: the outer surface of the compression spring (975) is provided with a metal protective layer, and the compression spring (975) can be clamped and fixed by 8N.

8. The bottom dropout prevention guard board for an automobile according to claim 2, wherein: and small sliding blocks are arranged at the front end and the rear end of the fixed block (971), and the maximum sliding distance of the small sliding blocks of the fixed block (971) along the upper end of the sliding groove (977) is 8 CM.