Multifunctional spare tire placing rack for semitrailer
By installing a retractable placement frame on the semi-trailer chassis and using a shielding plate to shield the screw, the problems of time-consuming and labor-intensive, easy-to-theft and easy-to-oxidize problems in the prior art are solved, and convenient, anti-theft and dust-proof spare tire storage is achieved.
Patent Information
- Application Number
- CN202423121141.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The existing spare tire placement rack for semi-trailers requires drilling under the vehicle body to take it out, which is time-consuming and labor-intensive, and lacks an anti-theft structure, resulting in the spare tire being easily stolen and easily oxidized when exposed.
A multifunctional spare tire placement rack for a semi-trailer is designed. The rack is fixed to the semi-trailer chassis through mounting ears. The handle is pulled out to pull out the placement frame and place the spare tire. The fixing screw is covered by a shielding plate to achieve an anti-theft function, and the spare tire is placed in a closed groove to prevent oxidation.
It enables convenient removal of the spare tire, has an anti-theft function, prevents the spare tire from being exposed and oxidized, and has a good dust-proof effect.
Smart Images

Figure CN223443651U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of spare tire placing frame, concretely to a multifunctional spare tire placing frame of semitrailer. BACKGROUND
[0002] The semitrailer is a trailer with an axle behind the center of gravity of the vehicle (when the vehicle is uniformly loaded) and a coupling device capable of transmitting horizontal and vertical forces to the towing vehicle. The semitrailer is generally a three-axle semitrailer, which is classified into eleven-meter warehouse fence semitrailers, thirteen-meter warehouse fences, low flatbed semitrailers, and many other types. It is a heavy transport vehicle connected to the semitrailer head through a draw pin. A spare tire rack is usually provided on the semitrailer, and the spare tire rack is usually arranged between the two cross beams or at the lower end of the two longitudinal beams of the frame.
[0003] The utility model discloses a kind of semitrailer spare tire racks of (announcement) No. CN217294714U, including fixed plate, the left and right two side walls of the fixed plate are welded and installed with mounting lug, the bottom of the fixed plate is welded and installed with fixed limiting frame, the bottom of the fixed plate is rotatably installed with threaded sleeve, the surface of the threaded sleeve is fixedly provided with first bevel gear, the bottom of the fixed plate is rotatably installed with first threaded rod by rotating support. Spare tire is fixed with second threaded rod by nut, first threaded rod is rotated by hexagon socket wrench, second bevel gear and first bevel gear are rotated by first threaded rod, threaded sleeve is rotated by first bevel gear, threaded sleeve and threaded block are engaged to realize threaded block vertical movement along threaded sleeve in turn to drive spare tire vertical movement, while first threaded rod rotates, movable limiting frame moves horizontally and approaches fixed limiting frame, spare tire is limited and fixed by movable limiting frame and fixed limiting frame to prevent shaking.
[0004] The structure of the above-mentioned utility model is convenient for installing and fixing the spare tire. However, the spare tire placing rack of the above-mentioned utility model needs to be drilled into the bottom of the vehicle body to take and place the spare tire, which is very time-consuming and laborious. At the same time, the placing rack of the above-mentioned utility model does not have an anti-theft structure, so that the spare tire placed in the above-mentioned placing structure is easily stolen. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a multifunctional spare tire placing rack for semitrailer to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of semi-trailer multifunctional spare tire rack, including bottom block, the bottom block bottom end two sides are slidably connected with placing frame along horizontal direction, and recess is respectively opened in the top end of each placing frame, two the placing frame mutually far away one end is respectively fixedly connected with side plate, and bottom block two sides are respectively opened with the interlocking slot shape adaptation of interlocking with side plate, two The side plate mutually far away one end is respectively fixedly connected with handle, and each handle is respectively fixedly connected with bottom block one end by the fixed screw rod of horizontal direction arrangement, the bottom block two sides are respectively opened with ladder groove above handle, and sliding vertical slot is respectively opened in the bottom end of ladder groove along vertical direction, each The sliding vertical slot is slidably connected with shielding component in, and each shielding component is respectively attached to the surface of handle near handle side.
[0007] Preferably, the top end of the bottom block is fixedly connected with a plurality of mounting ears along the horizontal direction, and the mounting hole is formed in each mounting ear along the vertical direction.
[0008] Preferably, the bottom end of each placing frame is fixedly connected with a sliding block along the horizontal direction at the center position, and the sliding horizontal slot is formed in the bottom block two sides along the horizontal direction and slidably matched with the sliding block.
[0009] Preferably, the side plate and handle are respectively formed with mounting screw holes along the horizontal direction and threadedly matched with the fixed screw rod, and the limiting hole is formed in the bottom block two sides and threadedly matched with the fixed screw rod.
[0010] Preferably, the shielding component includes a sliding plate slidably connected with the inner wall of each sliding vertical slot, and the shielding plate is fixedly connected with the bottom end of the sliding plate.
[0011] Preferably, each shielding plate is slidably contacted with the handle far away from the placing frame side near the placing frame.
[0012] Preferably, the inner wall of the bottom end of each sliding vertical slot is fixedly connected with a limiting sleeve plate, and the through slot slidably contacted with the outer side of the shielding plate is formed in the center position of the limiting sleeve plate.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The utility model discloses a bottom block is fixed with the half trailer chassis bottom end through both sides' mounting lug and bolt, respectively through drawing each handle and draws each placing frame, and then through the sliding block of placing frame bottom end and the sliding cooperation of sliding horizontal groove and inserts each placing frame into the bottom block, and through fixed screw and handle and side plate and bottom block fixed connection, then each sliding plate under the action of gravity drives each baffle and handle one side to adhere respectively, thereby to each fixed screw is shielded, and each fixed screw is away from bottom block one end and handle is away from bottom block one end flush, thereby through the setting of baffle and fixed screw are shielded, avoid spare tire to be easily stolen, have certain anti -theft function, and spare tire is arranged in placing frame recess, thereby avoid spare tire to be exposed to the air and take place oxidation and influence use, and have good dustproof function simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the structural schematic diagram of the utility model;
[0016] Fig. 2 It is the enlarged schematic diagram of the structure of A place of the utility model.
[0017] In the drawing: 1, bottom block;2, placing frame;3, side plate;4, handle;5, fixed screw;6, sliding vertical groove;7, shielding component;8, mounting lug;9, sliding block;10, sliding horizontal groove;71, sliding plate;72, baffle;73, limit sleeve plate. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0019] Embodiment one
[0020] Please refer to Figs. 1-2, one of the semi-trailer multifunctional spare tire rack in the drawing, including the bottom block 1, the bottom block 1 bottom end both sides are respectively connected with the placement frame 2 along the horizontal direction sliding, and each placement frame 2 top is respectively opened with the recess, two placement frames 2 are respectively fixedly connected with the side plate 3 away from each other at one end, and the bottom block 1 both sides are respectively opened with the clamping groove that is shaped with the side plate 3 clamping adaptation, two side plates 3 are respectively fixedly connected with the handle 4 away from each other at one end, and each handle 4 is respectively fixedly connected with the bottom block 1 one end through the fixed screw 5 that is set along the horizontal direction, the bottom block 1 both sides are respectively opened with the ladder groove above handle 4, and the ladder groove bottom end is respectively opened with the sliding vertical slot 6 along the vertical direction, each sliding vertical slot 6 is respectively slidably connected with the shielding assembly 7, and each shielding assembly 7 is respectively attached to the surface of handle 4 near one side.
[0021] In the embodiment, the bottom block 1 both sides top are respectively fixedly connected with a plurality of mounting ears 8 along the horizontal direction, and each mounting ear 8 is respectively opened with the mounting hole along the vertical direction, each placement frame 2 bottom end center position is respectively fixedly connected with the sliding block 9 along the horizontal direction, and the bottom block 1 both sides are respectively opened with the sliding horizontal slot 10 that is slidably fitted with the sliding block 9 along the horizontal direction, the side plate 3 and handle 4 are respectively opened with the mounting screw hole along the horizontal direction, and the bottom block 1 both sides are respectively opened with the limiting hole that is threadedly fitted with the fixed screw 5, the shielding assembly 7 includes the sliding plate 71 that is slidably connected with the inner wall of each sliding vertical slot 6, and the bottom end of the sliding plate 71 is fixedly connected with the shielding plate 72, each shielding plate 72 is respectively slidably contacted with the handle 4 away from the placement frame 2 one end near the placement frame 2 one side, the inner wall of the bottom end of each sliding vertical slot 6 is respectively fixedly connected with the limiting sleeve plate 73, and the limiting sleeve plate 73 center position is respectively opened with the through slot that is slidably contacted with the outer side of the shielding plate 72.
[0022] Further, the bottom block 1 is fixedly installed through the mounting ears 8 on both sides and bolts and the bottom end of the semi-trailer chassis, each placement frame 2 is pulled out by pulling each handle 4 respectively, the spare tire is placed into the recess of the placement frame 2, then each placement frame 2 is inserted into the bottom block 1 by the sliding cooperation of the sliding block 9 at the bottom end of the placement frame 2 and the sliding horizontal slot 10, the handle 4 and the side plate 3 are fixedly connected with the bottom block 1 by the fixed screw 5, then each sliding plate 71 drives each shielding plate 72 to attach to one side of the handle 4 under the action of gravity, so as to shield each fixed screw 5, and the end of each fixed screw 5 away from the bottom block 1 is flush with the end of the handle 4 away from the bottom block 1, so that the fixed screw 5 is shielded by the shielding plate 72, avoiding the spare tire being easily stolen, having a certain anti-theft function, and the spare tire is arranged in the recess of the placement frame 2, so as to avoid the oxidation of the exposed spare tire and affect the use, and also has a good dustproof function.
[0023] The utility model discloses a working principle: the bottom piece 1 is fixed with the semitrailer chassis bottom end through both sides's mounting lug 8 and bolt, is taken out every placing frame 2 through drawing every handle 4 respectively, puts the spare tire into the recess of placing frame 2, then through the sliding block 9 of placing frame 2 bottom end and the sliding cooperation of sliding transverse groove 10 every placing frame 2 is inserted into the bottom piece 1, and handle 4 and side plate 3 are fixedly connected with bottom piece 1 through fixed screw 5, then every sliding plate 71 under the action of gravity drives every baffle 72 and handle 4 one side to adhere respectively, thereby to every fixed screw 5 is shielded, and every fixed screw 5 is away from bottom piece 1 one end and handle 4 is away from bottom piece 1 one end flush, thereby through the setting of baffle 72 to fixed screw 5 is shielded, avoids the easy theft of spare tire, and has certain anti-theft function, and the spare tire is arranged in the recess of placing frame 2, thereby avoiding the oxidation of the exposed spare tire and affecting use, and simultaneously having good dustproof function.
[0024] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0025] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made hereto without departing from the spirit and scope of the application in its broadest form. The present application is limited only by the claims and their equivalents.
Claims
1. A multifunctional spare tire placement rack for a semi-trailer, comprising a bottom block (1), characterized in that: The bottom end of the bottom block (1) is connected to a placement frame (2) in a sliding manner in the horizontal direction on both sides, and each placement frame (2) has a groove on the top. The two placement frames (2) are fixedly connected to a side plate (3) at one end away from each other, and the bottom block (1) has a clamping groove adapted to the clamping shape of the side plate (3). The two side plates (3) are fixedly connected to a handle (4) at one end away from each other, and each handle (4) is fixedly connected to one end of the bottom block (1) through a fixing screw (5) arranged in the horizontal direction. The bottom block (1) has a stepped groove on both sides above the handle (4), and a sliding vertical groove (6) is opened at the bottom end of the stepped groove in the vertical direction. A shielding component (7) is slidably connected in each sliding vertical groove (6), and each shielding component (7) is fitted with the surface of the handle (4) on the side close to the handle (4).
2. The multifunctional spare tire rack for a semi-trailer according to claim 1, characterized in that: A plurality of mounting ears (8) are fixedly connected to the top ends of both sides of the bottom block (1) in the horizontal direction, and each mounting ear (8) is penetrated by a mounting hole in the vertical direction.
3. The multifunctional spare tire rack for a semi-trailer according to claim 2, characterized in that: A slider (9) is fixedly connected to the center of the bottom end of each placement frame (2) along the horizontal direction, and sliding transverse grooves (10) for slidingly cooperating with the slider (9) are respectively opened on both sides of the bottom block (1) along the horizontal direction.
4. The multifunctional spare tire rack for a semi-trailer according to claim 3, characterized in that: The side panels (3) and the handles (4) are respectively provided with mounting screw holes in the horizontal direction and threadedly matched with the fixing screw rod (5), and the bottom block (1) is provided with limiting holes on both sides that threadedly match with the fixing screw rod (5).
5. The multifunctional spare tire placement rack for a semi-trailer according to claim 4, characterized in that: The shielding assembly (7) comprises a slide plate (71) slidably connected to the inner wall of each vertical sliding groove (6), and a shielding plate (72) is fixedly connected to the bottom end of the slide plate (71).
6. The multifunctional spare tire placement rack for a semi-trailer according to claim 5, characterized in that: The side of each shielding plate (72) close to the placement frame (2) is in sliding contact with the end of the handle (4) away from the placement frame (2).
7. The multifunctional spare tire placement rack for a semi-trailer according to claim 6, characterized in that: The inner wall of the bottom end of each vertical sliding groove (6) is fixedly connected to a limiting sleeve (73), and a through groove for sliding contact with the outer side of the shielding plate (72) is respectively opened at the center position of the limiting sleeve (73).
Citation Information
Patent Citations
Spare wheel carrier of semitrailer
CN217294714U