CN212797115U - Expansion and contraction mechanical structure of double-expansion vehicle - Google Patents
Expansion and contraction mechanical structure of double-expansion vehicle Download PDFInfo
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- CN212797115U CN212797115U CN202021544936.8U CN202021544936U CN212797115U CN 212797115 U CN212797115 U CN 212797115U CN 202021544936 U CN202021544936 U CN 202021544936U CN 212797115 U CN212797115 U CN 212797115U
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- 230000008602 contraction Effects 0.000 title description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000012857 repacking Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a mechanical structure that contracts that expands of two expansion cars, include: a top plate; a groove is formed in the inner side of the top plate; a bottom plate is integrally arranged at the bottom of the top plate, and a groove is formed in the inner side of the bottom plate; expansion boxes are arranged on two sides of the bottom of the top plate in a sliding mode; the bottom of the bottom plate is fixedly provided with a transmission device through a bolt; through being provided with the expansion case, transmission and bottom plate, can convenient and fast receive and release the expansion case more, it rotates to drive gear through transmission, drive gear drives the rack and slides, thereby the rack drives the expansion case and slides along the trapezoidal slider at bottom plate top, the inboard first slider of roof and the inboard second slider of bottom plate can provide certain limiting displacement to the sliding position of expansion case simultaneously, prevent that expansion case sliding distance is too big, this device simple structure, the repacking of being convenient for, can be more convenient use.
Description
Technical Field
The utility model belongs to the technical field of extension car structure, more specifically say, in particular to mechanical structure that contracts that expands of two expansion cars.
Background
The existing vehicle-mounted compartment is limited by relevant national regulations, and the whole width of the vehicle-mounted compartment cannot exceed 2.5 meters, so that the space in the vehicle is limited. The limit is the limit of the width of the carriage during the running process of the vehicle, but the width of the carriage is not limited when the vehicle is stationary, so that in order to solve the problem, some manufacturers develop extension vehicles, and the width of the carriage can be increased when the vehicle is stationary, so that the problem is solved.
Based on the aforesaid, the extension mechanism of present extension car exists that the structure is comparatively complicated, and the installation is inconvenient, need cooperate special chassis and vehicle when using just can realize, and some expansion case has the not good enough phenomenon of leakproofness moreover.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a mechanical structure for expansion and contraction of a dual-expansion vehicle is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a mechanical structure that contracts of expanding of two expansion cars to the expanding mechanism who solves the present expansion car that provides in the above-mentioned background art exists the structure comparatively complicated, and the installation is inconvenient, needs special chassis of cooperation and vehicle just can realize when using, and some expansion case has the problem of the not good enough phenomenon of leakproofness moreover.
The utility model relates to a purpose and efficiency of expanding mechanical structure of two expansion cars reach by following specific technological means:
an expansion and contraction mechanical structure of a double-expansion vehicle comprises: a top plate; a groove is formed in the inner side of the top plate; a bottom plate is integrally arranged at the bottom of the top plate, and a groove is formed in the inner side of the bottom plate; expansion boxes are arranged on two sides of the bottom of the top plate in a sliding mode; the expansion box also comprises a side plate; side plates are arranged on two sides of the expansion box in a uniform mode; and the bottom of the bottom plate is fixedly provided with a transmission device through a bolt.
Furthermore, the top plate also comprises a first guide rail and a first sliding block; a first guide rail is fixedly arranged in the groove on the inner side of the top plate, and a first sliding block is arranged at the top of the first guide rail in a sliding manner; the first sliding block is fixedly arranged on one side of the top of the expansion box through a bolt.
Furthermore, the bottom plate also comprises a second guide rail and a second sliding block; the top of the bottom plate is provided with a sliding chute attached to the side plate, and the bottom of the bottom plate is provided with a gear groove; two groups of trapezoidal sliding blocks are integrally arranged at the top of the bottom plate; a second guide rail is fixedly arranged in the groove on the inner side of the bottom plate, and a second sliding block is arranged at the top of the second guide rail in a sliding manner; the second slider passes through bolt fastening and sets up in one side of extension bottom of the case portion.
Furthermore, the expansion box also comprises a rack; the bottom of the expansion box is provided with two groups of trapezoidal sliding grooves; the bottom of expansion case integral type is provided with the rack.
Furthermore, the transmission device also comprises a bevel gear transmission set, a transmission shaft and a transmission gear; a bevel gear transmission set is arranged on the outer side of the transmission shaft, and the transmission device is in transmission connection with the bevel gear transmission set; the transmission gear is rotatably arranged on one side of the transmission shaft and is arranged in a gear groove at the bottom of the bottom plate; the transmission gear is meshed with the rack.
Compared with the prior art, the utility model discloses following beneficial effect has:
through being provided with the expansion case, transmission and bottom plate, can convenient and fast receive and release the expansion case more, it rotates to drive gear through transmission, drive gear drives the rack and slides, thereby the rack drives the expansion case and slides along the trapezoidal slider at bottom plate top, the inboard first slider of roof and the inboard second slider of bottom plate can provide certain limiting displacement to the sliding position of expansion case simultaneously, prevent that expansion case sliding distance is too big, this device simple structure, the repacking of being convenient for, can be more convenient use.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
Fig. 3 is a schematic structural diagram of the expansion box of the present invention.
Fig. 4 is a schematic structural view of the top plate and the bottom plate of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a top plate; 101. a first guide rail; 102. a first slider; 2. a base plate; 201. a second guide rail; 202. a second slider; 3. an expansion box; 301. a side plate; 302. a rack; 4. a transmission device; 401. a bevel gear transmission set; 402. a drive shaft; 403. a transmission gear.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a mechanical structure that contracts that expands of two expansion cars, include: a top plate 1; the inner side of the top plate 1 is provided with a groove; wherein, the top plate 1 further comprises a first guide rail 101 and a first slide block 102; a first guide rail 101 is fixedly arranged in a groove on the inner side of the top plate 1, and a first sliding block 102 is arranged at the top of the first guide rail 101 in a sliding manner; the first sliding block 102 is fixedly arranged on one side of the top of the expansion box 3 through a bolt; the bottom of the top plate 1 is integrally provided with a bottom plate 2, and the inner side of the bottom plate 2 is provided with a groove; expansion boxes 3 are arranged on two sides of the bottom of the top plate 1 in a sliding manner; the expansion box 3 also comprises side plates 301; the two sides of the expansion box 3 are integrally provided with side plates 301; the bottom of the bottom plate 2 is fixedly provided with a transmission device 4 through a bolt; the transmission device 4 further comprises a bevel gear transmission set 401, a transmission shaft 402 and a transmission gear 403; a bevel gear transmission set 401 is arranged on the outer side of the transmission shaft 402, and the transmission device 4 is in transmission connection with the bevel gear transmission set 401; the transmission gear 403 is rotatably arranged at one side of the transmission shaft 402, and the transmission gear 403 is arranged in a gear groove at the bottom of the bottom plate 2; the transmission gear 403 is engaged with the rack 302.
Wherein, the bottom plate 2 further comprises a second guide rail 201 and a second sliding block 202; the top of the bottom plate 2 is provided with a sliding chute attached to the side plate 301, and the bottom of the bottom plate 2 is provided with a gear groove; two groups of trapezoidal sliding blocks are integrally arranged at the top of the bottom plate 2; a second guide rail 201 is fixedly arranged in the groove on the inner side of the bottom plate 2, and a second sliding block 202 is arranged at the top of the second guide rail 201 in a sliding manner; the second slider 202 is fixed to one side of the bottom of the expansion box 3 by bolts.
Wherein, the expansion box 3 also comprises a rack 302; the bottom of the expansion box 3 is provided with two groups of trapezoidal sliding grooves; the bottom of the expansion tank 3 is integrally provided with a rack 302.
The specific use mode and function of the embodiment are as follows:
the utility model discloses in, when needing to carry out two-way extension, open transmission 4, bevel gear transmission group 401 that drives both sides through transmission 4 rotates to opposite direction respectively, thereby the drive transmission shaft 402 and the drive gear 403 of both sides rotate to opposite direction, it slides to drive rack 302 through drive gear 403, thereby can be with two sets of extension case 3 to opposite direction roll-off, through first slider 102, two sets of trapezoidal sliders of second slider 202 and the 2 top settings of bottom plate can carry on spacingly to 3 gliding distances of extension case and positions, thereby accomplish the extension action of extension case 3, when needing to withdraw, make transmission 4 antiport alright withdraw.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides an expand mechanical structure that contracts of two expansion cars which characterized in that includes: a top plate (1); a groove is formed in the inner side of the top plate (1); the bottom of the top plate (1) is integrally provided with a bottom plate (2), and the inner side of the bottom plate (2) is provided with a groove; expansion boxes (3) are arranged on two sides of the bottom of the top plate (1) in a sliding manner; the expansion box (3) also comprises a side plate (301); side plates (301) are uniformly arranged on two sides of the expansion box (3); and a transmission device (4) is fixedly arranged at the bottom of the bottom plate (2) through a bolt.
2. The mechanical structure of a pair of expansion cars of claim 1, characterized in that: the top plate (1) further comprises a first guide rail (101) and a first sliding block (102); a first guide rail (101) is fixedly arranged in a groove on the inner side of the top plate (1), and a first sliding block (102) is arranged at the top of the first guide rail (101) in a sliding manner; the first sliding block (102) is fixedly arranged on one side of the top of the expansion box (3) through a bolt.
3. The mechanical structure of a pair of expansion cars of claim 1, characterized in that: the bottom plate (2) further comprises a second guide rail (201) and a second sliding block (202); the top of the bottom plate (2) is provided with a sliding chute attached to the side plate (301), and the bottom of the bottom plate (2) is provided with a gear groove; two groups of trapezoidal sliding blocks are integrally arranged at the top of the bottom plate (2); a second guide rail (201) is fixedly arranged in the groove on the inner side of the bottom plate (2), and a second sliding block (202) is arranged at the top of the second guide rail (201) in a sliding manner; the second sliding block (202) is fixedly arranged on one side of the bottom of the expansion box (3) through a bolt.
4. The mechanical structure of a pair of expansion cars of claim 1, characterized in that: the expansion box (3) also comprises a rack (302); the bottom of the expansion box (3) is provided with two groups of trapezoidal sliding grooves; the bottom of the expansion box (3) is integrally provided with a rack (302).
5. The mechanical structure of a pair of expansion cars of claim 1, characterized in that: the transmission device (4) also comprises a bevel gear transmission set (401), a transmission shaft (402) and a transmission gear (403); a bevel gear transmission group (401) is arranged on the outer side of the transmission shaft (402), and the transmission device (4) is in transmission connection with the bevel gear transmission group (401); the transmission gear (403) is rotatably arranged on one side of the transmission shaft (402), and the transmission gear (403) is arranged in a gear groove at the bottom of the bottom plate (2); the transmission gear (403) is meshed with the rack (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544936.8U CN212797115U (en) | 2020-07-30 | 2020-07-30 | Expansion and contraction mechanical structure of double-expansion vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544936.8U CN212797115U (en) | 2020-07-30 | 2020-07-30 | Expansion and contraction mechanical structure of double-expansion vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN212797115U true CN212797115U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021544936.8U Active CN212797115U (en) | 2020-07-30 | 2020-07-30 | Expansion and contraction mechanical structure of double-expansion vehicle |
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| CN (1) | CN212797115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406685A (en) * | 2020-11-10 | 2021-02-26 | 曾观来 | Engineering vehicle bearing device |
-
2020
- 2020-07-30 CN CN202021544936.8U patent/CN212797115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406685A (en) * | 2020-11-10 | 2021-02-26 | 曾观来 | Engineering vehicle bearing device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240126 Address after: No. 97, Group 2, Gongyu Village, Binhuai Town, Binhai County, Yancheng City, Jiangsu Province, 224000 Patentee after: Hu Guoru Country or region after: China Patentee after: Mao Benyun Address before: Room 206, building 1, science and technology innovation center, 1 Huatai Road, Huinan hi tech Industrial Park, huiao Avenue, Zhongkai hi tech Zone, Huizhou City, Guangdong Province 516000 Patentee before: Zhang Yuechan Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240322 Address after: Room 801, No. 199 Chaoyang West Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province, 215000 Patentee after: Zhongti Holdings Group Co.,Ltd. Country or region after: China Address before: No. 97, Group 2, Gongyu Village, Binhuai Town, Binhai County, Yancheng City, Jiangsu Province, 224000 Patentee before: Hu Guoru Country or region before: China Patentee before: Mao Benyun |