Hydraulic telescopic spare wheel carrier of oil cylinder

Abstract

The utility model relates to the technical field of spare tire carriers, and discloses an oil cylinder hydraulic telescopic spare tire carrier which comprises a vehicle frame connecting plate, two supporting beams, a four-connecting-rod mechanism, a lifting adjusting assembly, a first limiting assembly, a second limiting assembly and a spare tire mounting frame. The two supporting beams are both fixedly installed on the frame connecting plate and are arranged in parallel, the four-bar mechanism is arranged on the two supporting beams, the lifting adjusting assembly is arranged on the two supporting beams and the four-bar mechanism, a supporting frame is fixedly installed on the spare tire installing frame and connected with the four-bar mechanism, and the lifting adjusting assembly is arranged on the four-bar mechanism. The first limiting assembly and the second limiting assembly are arranged on the lifting adjusting assembly and the two supporting beams correspondingly. The spare tire taking and placing device has the following advantages and effects that the spare tire can be conveniently taken and placed, meanwhile, the stability of the spare tire after being put away can be guaranteed, the time required for taking and placing the spare tire is greatly shortened, and the physical output of personnel can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spare tire frame technical field, especially a kind of oil cylinder hydraulic telescopic spare tire frame. BACKGROUND

[0002] The spare tire of commercial vehicle is replaced because of larger volume and heavier weight, and it needs to use tool to take and place, it is very inconvenient, and when emergency needs to use spare tire, it will waste time and personnel's physical strength to realize the taking and placing operation of spare tire, to solve the above problems, the utility model provides an oil cylinder hydraulic telescopic spare tire frame.

[0003] The information disclosed in this section is intended only to increase an understanding of the general background of the application, and should not be construed as recognizing or implying that this information constitutes prior art that is already known to those skilled in the art. SUMMARY

[0004] The utility model aims at providing an oil cylinder hydraulic telescopic spare tire frame, which has the advantages of convenient taking and placing operation of spare tire, stable storage of spare tire after folding, greatly reduced time required for taking and placing spare tire, and effectively reduced physical exertion of personnel.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: an oil cylinder hydraulic telescopic spare tire frame, comprising a frame connecting plate, two support beams, a four-bar linkage mechanism, a lifting adjusting assembly, a limiting assembly one, a limiting assembly two and a spare tire mounting rack.

[0006] The two support beams are fixedly installed on the frame connecting plate and arranged in parallel with each other, the four-bar linkage mechanism is arranged on the two support beams, the lifting adjusting assembly is arranged on the two support beams and the four-bar linkage mechanism, the support frame is fixedly installed on the spare tire mounting rack and connected with the four-bar linkage mechanism, the limiting assembly one and the limiting assembly two are arranged on the lifting adjusting assembly and the two support beams respectively, and the limiting assembly two is matched with the four-bar linkage mechanism.

[0007] The utility model further comprises: the four-bar linkage mechanism comprises four connecting rods one, two connecting rods two and two support shafts, two connecting rods one are hingedly installed on one side of the two support beams close to each other, the same support shaft is rotatably installed at the end of the two connecting rods one away from the support beam on the same horizontal plane, the two connecting rods two are rotatably installed on the two support shafts in a parallel manner, and the support frame is fixedly installed on the two connecting rods two.

[0008] By adopting the above technical scheme, the connecting rod two can drive the support frame and the spare tire mounting rack to lift or lower when the connecting rod one deflects.

[0009] The further setting of the utility model is that the same reinforcing beam is fixedly installed on the upper two connecting rods I.

[0010] By adopting the above technical scheme, the relative stability between the upper two connecting rods I can be ensured.

[0011] The further setting of the utility model is that the lifting adjusting assembly comprises a hydraulic oil cylinder, an upper cross beam and a lower cross beam, the same upper cross beam is fixedly installed on the top of the side of the two supporting beams close to each other, the same lower cross beam is fixedly installed on the upper two connecting rods I below, and the same hydraulic oil cylinder is hingedly installed on the upper cross beam and the lower cross beam.

[0012] By adopting the above technical scheme, the spare tire mounting rack can be controlled to lift according to the requirement, and the connection stability between the lower two connecting rods I can be ensured through the arrangement of the lower cross beam.

[0013] The further setting of the utility model is that the limiting assembly I comprises two hydraulic locks, the hydraulic locks are fixedly installed on the hydraulic oil cylinder, and the hydraulic lock is composed of two hydraulic one-way valves and connected on the oil circuit pipeline of the hydraulic oil cylinder.

[0014] By adopting the above technical scheme, the position of the hydraulic oil cylinder after the extension and retraction can be kept, and the displacement of the hydraulic oil cylinder due to the self gravity or the slight interference force from the outside can be avoided, so that the extension of the hydraulic oil cylinder due to the shaking in the vehicle driving and the like can be avoided, and the support stability of the spare tire mounting rack can be ensured.

[0015] The further setting of the utility model is that the limiting assembly II comprises two mounting seats and two limiting blocks, the mounting seat is fixedly installed on the side of the two supporting beams away from the frame connecting plate, the limiting block is fixedly installed on the upper two connecting rods I below, and the two limiting blocks are respectively clamped and installed on the corresponding mounting seats.

[0016] By adopting the above technical scheme, the upper two connecting rods I can be limited, and the excessive deflection phenomenon of the upper two connecting rods I in the retraction process can be avoided.

[0017] The further setting of the utility model is that the limiting assembly II further comprises two supporting pins, two screws and two nuts, the supporting pin is rotatably installed on the two mounting seats, the screw is radially fixedly installed on the supporting pin, the clamping groove is formed in the limiting block, the screw is clamped in the clamping groove and threadedly installed with the nut, and the nut movably abuts against the limiting block.

[0018] By adopting the above technical scheme, the position of the lower connecting rod I after the retraction can be effectively limited, so that the stability of the spare tire mounting rack in the shaking and bumping in the vehicle driving process can be further ensured.

[0019] The further setting of the utility model discloses: the limiting block is connected with the mounting seat through bolt connection mode and is connected with the mounting seat threadedly.

[0020] Through the above technical scheme, the limiting block can be conveniently disassembled.

[0021] The further setting of the utility model discloses: the car frame connecting plate and one of the support beams are fixedly installed with the same manual pump connected with the hydraulic oil cylinder.

[0022] Through the above technical scheme, the user can be provided with a kind of manually operated mode to control hydraulic oil cylinder.

[0023] The further setting of the utility model discloses: the limiting block, spare tire mounting rack and lower crossbeam are all fixedly installed with multiple wedge-shaped blocks, and the multiple wedge-shaped blocks on the limiting block, spare tire mounting rack and lower crossbeam are respectively fixedly connected with corresponding connecting rod one, support frame and two support beams.

[0024] Through the above technical scheme, the installation stability of the limiting block, spare tire mounting rack and lower crossbeam can be effectively improved.

[0025] The utility model discloses the beneficial effect is:

[0026] 1. improve the convenience of spare tire replacement, and user can easily operate spare tire mounting rack to take and place spare tire without using additional tools.

[0027] 2. through the telescopic function of hydraulic oil cylinder, the automatic lifting of spare tire mounting rack is realized, and manpower and time are greatly saved.

[0028] 3. the design of limiting assembly one and limiting assembly two ensures the stability of spare tire during vehicle driving, avoids the shaking of spare tire relative to vehicle due to vehicle bumping.

[0029] 4. the setting of manual pump provides backup operation mode for hydraulic system, so that user can manually control spare tire mounting rack even in the case of hydraulic system failure.

[0030] 5. the use of wedge-shaped block enhances the connection strength between components, further ensures the stability of the overall structure of the spare tire frame. DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be simply introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0032] Figure 1 A three-dimensional structure schematic view of the oil cylinder hydraulic telescopic spare tire frame is provided in the utility model.

[0033] Figure 2 A three-dimensional structure schematic view of the oil cylinder hydraulic telescopic spare tire frame is provided in the utility model. Figure 1 A structure schematic view from another perspective is provided in the utility model.

[0034] Figure 3 A three-dimensional structure schematic view of the oil cylinder hydraulic telescopic spare tire frame is provided in the utility model. Figure 1 A three-dimensional structure schematic view of the oil cylinder hydraulic telescopic spare tire frame is provided in the utility model.

[0035] Figure 4 A structure schematic view of the support beam and the lifting adjusting assembly part is provided in the utility model.

[0036] Figure 5 A structure schematic view of the oil cylinder hydraulic telescopic spare tire frame is provided in the utility model. Figure 2 A structure schematic view of the oil cylinder hydraulic telescopic spare tire frame is provided in the utility model.

[0037] Figure 6 A top view structure schematic view of the spare tire mounting rack and the wedge block part is provided in the utility model.

[0038] Figure 7 A structure schematic view of the vehicle frame connecting plate part is provided in the utility model.

[0039] In the drawing, 1, vehicle frame connecting plate; 2, support beam; 3, connecting rod one; 301, reinforcing beam; 31, support shaft; 32, connecting rod two; 4, spare tire mounting rack; 41, support frame; 5, hydraulic oil cylinder; 501, hydraulic lock; 51, upper cross beam; 52, lower cross beam; 6, mounting seat; 61, limiting block; 62, support pin; 63, screw rod; 64, nut; 7, hand pump. DETAILED DESCRIPTION

[0040] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0041] Reference Figures 1-7The utility model provides an oil cylinder hydraulic telescopic spare tire frame, including frame connecting plate 1, two support beams 2 and spare tire mounting frame 4, two support beams 2 are fixedly installed on frame connecting plate 1 and are mutually parallel and are arranged, two support beams 1 are mutually close one side and are hingedly installed two connecting rods one 3, the end away from support beam 2 of two connecting rods one 3 on the same horizontal plane is rotatably installed with same support shaft 31, two support shafts 31 are rotatably installed with two connecting rods two 32 that are mutually parallel and are arranged on the radial, spare tire mounting frame 4 is fixedly installed with support frame 41, support frame 41 is fixedly installed on two connecting rods two 32, can control connecting rod two 32 to drive support frame 41 and spare tire mounting frame 4 to lift when connecting rod one 3 deflection, can guarantee the relative stability between two connecting rod one 3 on the top simultaneously, the same reinforcing beam 301 is fixedly installed on two connecting rod one 3 on the top, the same upper crossbeam 51 is fixedly installed on the top of two support beams 2 mutually close one side, the same lower crossbeam 52 is fixedly installed on two connecting rod one 3 below, and the same hydraulic cylinder 5 is hingedly installed on the upper crossbeam 51 and the lower crossbeam 52, can control spare tire mounting frame 4 to lift according to need, can guarantee the connecting stability between two connecting rod one 3 below simultaneously through the setting of lower crossbeam 52, hydraulic lock 501 is fixedly installed on hydraulic cylinder 5, hydraulic lock 501 is connected on the oil circuit pipeline of hydraulic cylinder 5 and is formed by two hydraulic one-way valves, can keep the position of hydraulic cylinder 5 after telescoping, will not shift due to self gravity or external small interference force, to avoid the telescoping of hydraulic cylinder 5 caused by the shaking of vehicle driving etc.

[0042] Specifically, in order to provide a kind of for user to provide the operation mode of the hydraulic cylinder 5 by manpower operation mode to control, frame connecting plate 1 and one of support beam 2 are fixedly installed with same manual pump 7 connected with hydraulic cylinder 5.

[0043] Specifically, in order to effectively improve the installation stability of the limiting block 61, the spare tire mounting rack 4 and the lower cross beam 52, a plurality of wedge-shaped blocks are fixedly installed on the limiting block 61, the spare tire mounting rack 4 and the lower cross beam 52, and the plurality of wedge-shaped blocks on the limiting block 61, the spare tire mounting rack 4 and the lower cross beam 52 are respectively fixedly connected with the corresponding connecting rod one 3, the support frame 41 and the two support beams 2.

[0044] The hydraulic lock, the hydraulic oil cylinder and the manual pump involved are all prior art, and those skilled in the art can realize them without further description. The content protected by the present application does not involve improvement of software, circuit and method.

[0045] Working principle:

[0046] First, the frame connecting plate 1 and the support beam 2 are installed on the frame of the vehicle, and the spare tire is stably installed on the spare tire mounting rack 4, and then the hydraulic oil cylinder 5 is controlled to retract, which can drive the two connecting rod two 32 to move upward with the support frame 41, the spare tire mounting rack 4 and the spare tire under the cooperation of the four connecting rod one 3 and realize storage. After the limiting block 61 is clamped into the mounting seat 6, the retraction of the hydraulic oil cylinder 5 is stopped, the screw rod 63 is rotated based on the support pin 62 as the center and clamped into the clamping groove, then the nut 64 is installed on the screw rod 63 and kept in abutment with the limiting block 61, the cooperation design of the limiting block 61 and the mounting seat 6 and the limiting mechanism of the screw rod 63 and the nut 64 ensure that the connecting rod one 3 can be effectively locked after retraction, preventing excessive deflection, further enhancing the stability and safety of the spare tire rack. Then the hydraulic oil cylinder 5 is locked and limited by the hydraulic lock 501, so that the spare tire mounting rack 4 can remain stable during vehicle driving, even if it encounters bumps and shakes, and accidents will not occur. When the spare tire needs to be taken out, the limiting state of the limiting block 61 is released, and the hydraulic oil cylinder 5 is controlled to extend, so that the spare tire can be placed in a position suitable for personnel to take, and then the personnel can take it out.

[0047] The manual pump 7 is set so that the user can control the extension and retraction of the hydraulic oil cylinder 5 through simple manual operation, so as to realize the lifting of the spare tire. In actual use, the user only needs to operate the manual pump 7 to lift or lower the spare tire as needed, which is convenient and fast for replacing the tire. The purpose of setting the manual pump 7 is to enable the user to manually control the taking and placing operation of the spare tire even in the case of hydraulic system failure.

[0048] The oil cylinder hydraulic telescopic spare tire frame provided by the utility model is described in detail. The principle and implementation mode of the utility model are described by using the specific embodiments, and the description of the above embodiments is only used for helping to understand the method and core idea of the utility model. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A hydraulic telescopic spare tire carrier for an oil cylinder, characterized in that, The frame connecting plate (1), two support beams (2), a four-bar linkage mechanism, a lifting adjusting assembly, a limiting assembly one, a limiting assembly two and a spare tire mounting rack (4) are included. The two support beams (2) are fixedly installed on the frame connecting plate (1) and are arranged in parallel with each other, the four-bar linkage mechanism is arranged on the two support beams (2), the lifting adjusting assembly is arranged on the two support beams (2) and the four-bar linkage mechanism, the support frame (41) is fixedly installed on the spare tire mounting rack (4) and is connected with the four-bar linkage mechanism, the limiting assembly one and the limiting assembly two are arranged on the lifting adjusting assembly and the two support beams (2) respectively, and the limiting assembly two is matched with the four-bar linkage mechanism.

2. The hydraulic telescopic spare tire carrier of claim 1, wherein: The four-bar linkage mechanism includes four connecting rods one (3), two connecting rods two (32) and two support shafts (31), two connecting rods one (3) are hingedly installed on the sides of the two support beams (2) close to each other, the same support shaft (31) is rotatably installed at the ends of the two connecting rods one (3) away from the support beams (2) and located on the same horizontal plane, the two support shafts (31) are rotatably installed with the two connecting rods two (32) arranged in parallel with each other in the radial direction, and the support frame (41) is fixedly installed on the two connecting rods two (32).

3. The hydraulic telescopic jack as claimed in claim 2, wherein: The same reinforcing beam (301) is fixedly installed on the two connecting rods one (3) located above.

4. The hydraulic telescopic jack as claimed in claim 2, wherein: The lifting adjusting assembly includes a hydraulic oil cylinder (5), an upper cross beam (51) and a lower cross beam (52), the same upper cross beam (51) is fixedly installed on the top of the sides of the two support beams (2) close to each other, the same lower cross beam (52) is fixedly installed on the two connecting rods one (3) located below, and the same hydraulic oil cylinder (5) is hingedly installed on the upper cross beam (51) and the lower cross beam (52).

5. The hydraulic telescopic jack as claimed in claim 4, wherein: The limiting assembly one includes two hydraulic locks (501), the hydraulic locks (501) are fixedly installed on the hydraulic oil cylinder (5) and are composed of two hydraulic one-way valves and connected to the oil line pipeline of the hydraulic oil cylinder (5).

6. The hydraulic telescopic jack as claimed in claim 2, wherein: The limiting assembly two includes two mounting seats (6) and two limiting blocks (61), the mounting seats (6) are fixedly installed on the sides of the two support beams (2) away from the frame connecting plate (1), the limiting blocks (61) are fixedly installed on the two connecting rods one (3) located below, and the two limiting blocks (61) are respectively clampedly installed on the corresponding mounting seats (6).

7. The hydraulic telescopic spare tire carrier of claim 6, wherein: The limiting assembly two further includes two support pins (62), two screw rods (63) and two nuts (64), the support pins (62) are rotatably installed on the two mounting seats (6), the screw rods (63) are fixedly installed on the support pins (62) in the radial direction, the limiting blocks (61) are provided with clamping grooves, the screw rods (63) are clamped in the clamping grooves and are threadedly installed with the nuts (64), and the nuts (64) are movably abutted with the limiting blocks (61).

8. The hydraulic telescopic jack as claimed in claim 6, wherein: The limiting blocks (61) are threadedly connected with the mounting seats (6) by means of bolt connection.

9. The hydraulic telescopic spare tire carrier of claim 4, wherein: The same manual pump (7) connected with the hydraulic oil cylinder (5) is fixedly installed on the frame connecting plate (1) and one of the support beams (2).

10. The hydraulic telescopic spare tire carrier of claim 6, wherein: The limiting block (61), the spare tire mounting rack (4) and the lower cross beam (52) are fixedly provided with a plurality of wedge-shaped blocks, and the wedge-shaped blocks on the limiting block (61), the spare tire mounting rack (4) and the lower cross beam (52) are fixedly connected with the corresponding connecting rod (3), the support frame (41) and the two support beams (2) respectively.

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