CN113530139B - Single-drive linkage expansion lifting mechanism - Google Patents
Single-drive linkage expansion lifting mechanism Download PDFInfo
- Publication number
- CN113530139B CN113530139B CN202110637571.6A CN202110637571A CN113530139B CN 113530139 B CN113530139 B CN 113530139B CN 202110637571 A CN202110637571 A CN 202110637571A CN 113530139 B CN113530139 B CN 113530139B
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- Prior art keywords
- wall
- drive linkage
- cylinder body
- frame
- lifting mechanism
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
- E04F15/02452—Details of junctions between the supporting structures and the panels or a panel-supporting framework
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
- E04F15/02458—Framework supporting the panels
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a single-drive linkage expansion lifting mechanism, and relates to the technical field of expansion cabins; to solve the single drive problem; the novel steel plate structure comprises a frame structure, wherein the frame structure comprises two channel steel frames, the outer walls of the opposite sides of the channel steel frames are fixedly provided with the same fixed floor through bolts, each inner wall of the channel steel frame is movably provided with two sliding limiting frames, each pair of sliding limiting frames is arranged on the outer walls of the opposite sides of the sliding limiting frames, each single driving linkage extending assembly comprises a base body and a connecting frame, the inner wall of the base body is transversely provided with a first cylinder body, the inner wall of the base body is longitudinally provided with at least a second cylinder body, the second cylinder body is communicated with the first cylinder body, the inner wall of the first cylinder body is matched with a first piston, and one side of the first piston is fixedly connected with the connecting frame through a first connecting rod. The invention integrates the transverse extension and jacking of the extended floor into the same power source, thereby saving the cost.
Description
Technical Field
The invention relates to the technical field of expansion cabins, in particular to a single-drive linkage expansion lifting mechanism.
Background
The expansion shelter produced in the shelter manufacturing industry at present mainly comprises a folding wall plate type, an up-down turning wall plate type, a drawing box type expansion type and the like, and various expansion mechanism forms are correspondingly used. When the drawing van-type expansion shelter is in a shelter folding state, the folding floor can be raised, and after the rear cabin door is opened, personnel cannot enter the shelter; when the folding wallboard type expansion shelter is folded, the left side wall and the right side wall cannot fix equipment in the shelter; the upper and lower turning plate type expansion shelter cannot be sealed in an expansion state, and is not suitable for the current design thought.
The expansion form of the conventional expansion shelter cannot meet the design requirement and cannot use a single driving unit, so that the expansion mechanism of the shelter is ensured to have displacement in the horizontal direction and the vertical direction, and the expansion shelter keeps the height of an expansion floor consistent with that of a main shelter floor in an expansion state.
In order to meet the requirements, the invention provides a brand new design method of the linkage lifting mechanism.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a single-drive linkage expansion lifting mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a single drive linkage expansion elevating system, includes frame construction, frame construction includes two channel-section steel framves, two the opposite side outer wall of channel-section steel frame has same fixed floor through the bolt fastening, every the inner wall of channel-section steel frame all activity is provided with two spacing that slide, and each pair of the opposite side outer wall of spacing that slides is provided with same group single drive linkage expansion subassembly, single drive linkage expansion subassembly includes pedestal and link, the inner wall of pedestal transversely is provided with cylinder body one, the inner wall of pedestal vertically is provided with at least one cylinder body two, just cylinder body two communicates with cylinder body one, the inner wall cooperation of cylinder body one has piston one, one side of piston one through connecting rod one with link fixed connection, the inner wall cooperation of cylinder body two uses piston two, and the top outer wall of piston two is connected with the expansion floor through connecting rod two the opposite side outer wall of link has same pneumatic cylinder through the bolt fastening.
Preferably: the fixed floor is located in the bottom outer wall of the extended floor area and is connected with balls in a rolling mode.
Further: the top outer wall of the sliding limiting frame is fixedly provided with a second supporting plate of a linear array through bolts, and the outer wall of the second supporting plate is rotationally connected with a guide roller.
Based on the scheme: the inner wall of one side of the sliding limiting frame is connected with an adjusting bolt through threads, the outer wall of the adjusting bolt is rotationally connected with a wedge block A, and the outer wall of the wedge block A is matched with a wedge block B through an inclined plane A.
Among the foregoing, the preferred one is: the outer wall of the bottom of the wedge block I B is fixedly provided with a first supporting plate of a linear array through bolts, and the first supporting plate is in sliding connection with the sliding limiting frame.
As a further scheme of the invention: the outer wall of the first supporting plate is rotatably connected with a supporting roller.
Simultaneously, one side of the sliding limiting frame is provided with a limiting assembly, the limiting assembly comprises a permanent magnet and an electromagnet, the electromagnet is fixed on the outer wall of the sliding limiting frame through a bolt, the permanent magnet is in sliding connection with the sliding limiting frame through a wedge II A, a wedge II A is fixed on the outer wall of one side of the permanent magnet through a bolt, and the top of the wedge II A are matched with a wedge II B through an inclined plane II.
As a preferred embodiment of the present invention: the two wedge blocks B are in sliding connection with the support frame through sliding columns, and toothed plates are fixed on the outer walls of the sliding columns through bolts.
And simultaneously, the outer walls of the opposite sides of the two wedge blocks B are provided with reset springs.
As a more preferable scheme of the invention: the limiting groove is formed in the inner wall of the groove steel frame, and teeth matched with the toothed plate are arranged at the top and the bottom of the limiting groove.
The beneficial effects of the invention are as follows:
1. this single drive linkage extension elevating system, when needing the extension, start the pneumatic cylinder, it is with two link reverse promotion, in the promotion, produce pressure, thereby produce pressure in the cylinder body two, make push piston two shift up, thereby make the extension floor shift up, when the extension floor stretches out the fixed floor region completely, it is ejecting, with the fixed floor parallel and level, accomplish the extension, only need control the pressure of pneumatic cylinder at this moment, can control the longitudinal support power of extension floor, this kind of setting is on the one hand, the extension floor after the extension is leveled with the fixed floor, there is not the step, on the other hand, the horizontal extension and the jack-up of extension floor are all synthesized in same power supply, comparatively save the cost.
2. This single drive linkage expansion elevating system, the power with the pneumatic cylinder is through the conversion of cylinder body one with cylinder body two to pneumatic drive's form provides holding power for the expansion floor, because gaseous compressibility, when the load is received suddenly to the actual expansion floor, gaseous compressibility also can provide certain buffering power for it, prevents that the device that rigid connection caused from receiving the impact, thereby influences the life-span.
3. This single drive linkage extension elevating system, through being provided with the backing roller, it can provide holding power for sliding the spacing to the setting of inclined plane one and voussoir one B through twisting adjusting bolt, can change the cooperation position of inclined plane one and voussoir one B, when not wearing and tearing, the holding power that this kind of setting steerable backing roller provided to, when wearing and tearing, the position of backing roller is changed to the twisting of accessible adjusting bolt, thereby compensates wearing and tearing, guarantees reliable support.
4. This single drive linkage extension elevating system still through being provided with the ball, because the extension floor has certain driving force when transversely moving, its vertically for have frictional force between its and the fixed floor, hinder the sideslip, and the setting of ball can very big reduce frictional force, also reduced wearing and tearing when reducing power load.
5. This single drive linkage expansion elevating system, when the electro-magnet is circular telegram, it produces the magnetic field, when producing the magnetic field and the one end magnetic pole of permanent magnet is the same, it produces repulsion to permanent magnet, through promoting permanent magnet, make two A removal of voussoir, two B mutual distancies of rethread inclined plane two makes two voussoirs, make pinion rack and tooth cooperation, the position to the spacing that slides carries out the locking, on the one hand steerable electro-magnet displacement distance, thereby the extension stroke of control extension floor, thereby control the span of extension, on the other hand, also accessible control one side slide the spacing locking, the opposite side slides the spacing activity, thereby control the extension direction.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a single-drive linkage expansion lifting mechanism provided by the invention;
FIG. 2 is a schematic diagram of a frame structure of a single-drive linkage expansion lifting mechanism according to the present invention;
FIG. 3 is a schematic diagram of a single-drive linkage expansion assembly of a single-drive linkage expansion lifting mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of a single-drive linkage expansion assembly of a single-drive linkage expansion lifting mechanism according to the present invention;
FIG. 5 is a schematic view of a structure of a fixed floor of a single-drive linkage expansion lifting mechanism according to the present invention;
FIG. 6 is a schematic diagram of a cross-sectional structure of a sliding limit of a single-drive linkage expansion lifting mechanism;
fig. 7 is an enlarged schematic structural diagram of a single-drive linkage expansion lifting mechanism according to the present invention.
In the figure: 1-frame structure, 2-groove steelframe, 3-slide limit frame, 4-fixed floor, 5-limit assembly, 6-single drive linkage expansion assembly, 7-pedestal, 8-expansion floor, 9-connecting rod one, 10-connecting frame, 11-hydraulic cylinder, 12-piston one, 13-cylinder one, 14-piston two, 15-cylinder two, 16-connecting rod two, 17-ball, 18-adjusting bolt, 19-wedge one A, 20-supporting plate one, 21-supporting roller, 22-inclined plane one, 23-wedge one B, 24-guiding roller, 25-supporting plate two, 26-tooth, 27-limit groove, 28-supporting frame, 29-wedge two A, 30-inclined plane two, 31-wedge two B, 32-slide column, 33-tooth plate, 34-permanent magnet and 35-electromagnet.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Example 1:
the utility model provides a single drive linkage expansion elevating system, shown in fig. 1-4, includes frame construction 1, frame construction 1 includes two channel-section steel framves 2, two the opposite side outer wall of channel-section steel frame 2 is through the bolt fastening there being same fixed floor 4, every the inner wall of channel-section steel frame 2 all activity is provided with two spacing frames 3 that slide, and every pair of the opposite side outer wall of spacing frame 3 that slides is provided with same group single drive linkage expansion subassembly 6, single drive linkage expansion subassembly 6 includes pedestal 7 and link 10, the inner wall of pedestal 7 transversely is provided with cylinder body one 13, the inner wall of pedestal 7 vertically is provided with at least one cylinder body two 15, just cylinder body two 15 and cylinder body one 13 intercommunication, the inner wall cooperation of cylinder body one 13 has piston one 12, one side of piston one 12 is through connecting rod one 9 and link 10 fixed connection, the inner wall cooperation of cylinder two 15 uses piston two 14, and the top outer wall of piston two 14 is connected with expansion floor 8 through connecting rod two the opposite side outer wall of link 10 has same hydraulic cylinder 11 through fixed bolt one 11.
To solve the resistance problem; as shown in fig. 5, balls 17 are connected to the outer walls of the bottom of the fixed floor 4 in the area of the extended floor 8 in a rolling manner.
In order to solve the problem of connection between the groove steel frame 2 and the sliding limiting frame 3; as shown in fig. 6, the top outer wall of the sliding limit frame 3 is fixed with a second support plate 25 of a linear array through bolts, the outer wall of the second support plate 25 is rotationally connected with a guide roller 24, one side inner wall of the sliding limit frame 3 is connected with an adjusting bolt 18 through threads, the outer wall of the adjusting bolt 18 is rotationally connected with a first wedge block a19, the outer wall of the first wedge block a19 is matched with a first wedge block B23 through a first inclined plane 22, the bottom outer wall of the first wedge block B23 is fixed with a first support plate 20 of the linear array through bolts, the first support plate 20 is in sliding connection with the sliding limit frame 3, and the outer wall of the first support plate 20 is rotationally connected with a support roller 21.
When the expansion is needed, the hydraulic cylinder 11 is started to push the two connecting frames 10 reversely, and pressure is generated during pushing, so that the second cylinder body 15 generates pressure, the second pushing piston 14 moves upwards, so that the expansion floor 8 moves upwards, when the expansion floor 8 completely stretches out of the area of the fixed floor 4, the expansion floor 8 is ejected out and is flush with the fixed floor 4, and the expansion is completed, and the longitudinal supporting force of the expansion floor 8 can be controlled only by controlling the pressure of the hydraulic cylinder 11. Due to the compressibility of the gas, when the actual extended floor 8 is suddenly loaded, the compressibility of the gas also provides a certain buffering force for the extended floor, the device caused by rigid connection is prevented from being impacted, so that the service life is influenced, and the device can provide supporting force for the sliding limiting frame 3 by the supporting roller 21, and the arrangement of the inclined plane I22 and the wedge block I B23 can change the matching position of the inclined plane I22 and the wedge block I B23 by screwing the adjusting bolt 18, the supporting force provided by the supporting roller 21 can be controlled by the arrangement, when the extended floor 8 is not worn, the position of the supporting roller 21 can be changed by screwing the adjusting bolt 18 when the extended floor is worn, so that the abrasion is compensated, and reliable supporting is ensured, in addition, the device is provided with the ball 17, the longitudinal direction of the ball 17 has a certain driving force, so that the ball has friction with the fixed floor 4 to block transverse movement, and the arrangement of the ball 17 can greatly reduce friction, so that the dynamic load is reduced, and meanwhile, the abrasion is reduced.
Example 2:
a single-drive linkage expansion lifting mechanism, as shown in figures 1 and 7, for solving the limit problem; the present example was modified on the basis of example 1 as follows: one side of the sliding limiting frame 3 is provided with a limiting component 5, the limiting component 5 comprises a permanent magnet 34 and an electromagnet 35, the electromagnet 35 is fixed on the outer wall of the sliding limiting frame 3 through a bolt, the permanent magnet 34 is in sliding connection with the sliding limiting frame 3 through a wedge block two A29, a wedge block two A29 is fixed on the outer wall of one side of the permanent magnet 34 through a bolt, a wedge block two B31 is matched with the top of the wedge block two A29 through a bevel two 30, a reset spring is arranged on the outer wall of the opposite side of the wedge block two B31, the wedge block two B31 is in sliding connection with a support frame 28 through a slide column 32, a toothed plate 33 is fixed on the outer wall of the slide column 32 through a bolt, a limiting groove 27 is formed in the inner wall of the channel steel frame 2, and teeth 26 matched with the toothed plate 33 are arranged on the top and the bottom of the limiting groove 27.
When the electromagnet 35 is electrified, the electromagnet generates a magnetic field, when the generated magnetic field is the same as one end magnetic pole of the permanent magnet 34, the permanent magnet 34 is repulsive, the wedge block two A29 is moved by pushing the permanent magnet 34, the wedge block two B31 are separated from each other by the inclined plane two 30, the toothed plate 33 is matched with the teeth 26, and the position of the sliding limiting frame 3 is locked, so that the displacement distance of the electromagnet 35 can be controlled, the extension stroke of the extension floor 8 can be controlled, the extension span can be controlled, and on the other hand, the sliding limiting frame 3 on one side can be controlled to be locked, and the sliding limiting frame 3 on the other side can be moved, so that the extension direction can be controlled.
Working principle: when expansion is needed, the hydraulic cylinder 11 is started, the two connecting frames 10 are reversely pushed, pressure is generated during pushing, pressure is generated in the cylinder body II 15, the pushing piston II 14 moves upwards, the expansion floor 8 moves upwards, when the expansion floor 8 completely stretches out of the area of the fixed floor 4, the expansion floor is ejected out and is flush with the fixed floor 4, expansion is completed, in addition, when the electromagnet 35 is electrified, a magnetic field is generated, when the magnetic field is generated, one end magnetic pole of the permanent magnet 34 is identical, the permanent magnet 34 generates repulsive force, the permanent magnet 34 is pushed, the wedge blocks II A29 are moved, the wedge blocks II B31 are mutually separated through the inclined plane II 30, the toothed plate 33 is matched with the teeth 26, the position of the sliding limiting frame 3 is locked, on one hand, the displacement distance of the electromagnet 35 can be controlled, the extension stroke of the expansion floor 8 is controlled, on the other hand, the sliding limiting frame 3 on the other side can also be controlled to move, and the expansion direction can be controlled.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a single drive linkage expansion elevating system, includes frame construction (1), frame construction (1) includes two channel-section steel framves (2), two the opposite side outer wall of channel-section steel frame (2) is through bolt fastening there being same fixed floor (4), every the inner wall of channel-section steel frame (2) all activity is provided with two spacing frames (3) that slide, every pair the opposite side outer wall of spacing frame (3) that slides is provided with same group single drive linkage expansion subassembly (6), a serial communication port, single drive linkage expansion subassembly (6) include pedestal (7) and link (10), the inner wall of pedestal (7) transversely is provided with cylinder body one (13), the inner wall of pedestal (7) vertically is provided with at least one cylinder body two (15), just cylinder body two (15) and cylinder body one (13) intercommunication, the inner wall cooperation of cylinder body one (13) has piston one (12), one side of piston one (12) is through connecting rod one (9) and link (10) fixed connection, the inner wall cooperation of cylinder body two (15) use two piston two (14) have two outer walls (14) through two fixed cylinder body (8) of the outer wall of connecting rod (14), two side of piston (12) are connected through two relative cylinder body (11).
2. A single-drive linkage extension lifting mechanism according to claim 1, wherein the outer walls of the bottoms of the fixed floors (4) in the area of the extension floors (8) are all connected with balls (17) in a rolling manner.
3. The single-drive linkage expansion lifting mechanism according to claim 1, wherein a second supporting plate (25) of a linear array is fixed on the top outer wall of the sliding limiting frame (3) through bolts, and a guide roller (24) is rotatably connected to the outer wall of the second supporting plate (25).
4. The single-drive linkage expansion lifting mechanism according to claim 1, wherein an adjusting bolt (18) is connected to one side inner wall of the sliding limiting frame (3) through threads, a wedge block A (19) is rotatably connected to the outer wall of the adjusting bolt (18), and a wedge block B (23) is matched with the outer wall of the wedge block A (19) through an inclined plane A (22).
5. The single-drive linkage expansion lifting mechanism according to claim 4, wherein a first supporting plate (20) of a linear array is fixed on the outer wall of the bottom of the wedge block (B) (23) through bolts, and the first supporting plate (20) is in sliding connection with the sliding limiting frame (3).
6. The single-drive linkage expansion lifting mechanism according to claim 5, wherein the outer wall of the first supporting plate (20) is rotatably connected with a supporting roller (21).
7. The single-drive linkage expansion lifting mechanism according to claim 1, wherein a limiting component (5) is arranged on one side of the sliding limiting frame (3), the limiting component (5) comprises a permanent magnet (34) and an electromagnet (35), the electromagnet (35) is fixed on the outer wall of the sliding limiting frame (3) through a bolt, the permanent magnet (34) is in sliding connection with the sliding limiting frame (3) through a wedge block II A (29), a wedge block II A (29) is fixed on the outer wall of one side of the permanent magnet (34) through a bolt, and a wedge block II B (31) is matched with the top of the wedge block II A (29) through a bevel II (30).
8. The single-drive linkage expansion lifting mechanism according to claim 7, wherein two wedge blocks B (31) are slidably connected with the supporting frame (28) through sliding columns (32), and tooth plates (33) are fixed on the outer walls of the two sliding columns (32) through bolts.
9. A single drive linkage extension and lifting mechanism as claimed in claim 8 wherein return springs are provided on the outer walls of opposite sides of two wedge blocks B (31).
10. The single-drive linkage expansion lifting mechanism according to claim 9, wherein a limiting groove (27) is formed in the inner wall of the channel steel frame (2), and teeth (26) matched with the toothed plate (33) are arranged at the top and the bottom of the limiting groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637571.6A CN113530139B (en) | 2021-06-08 | 2021-06-08 | Single-drive linkage expansion lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637571.6A CN113530139B (en) | 2021-06-08 | 2021-06-08 | Single-drive linkage expansion lifting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113530139A CN113530139A (en) | 2021-10-22 |
| CN113530139B true CN113530139B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110637571.6A Active CN113530139B (en) | 2021-06-08 | 2021-06-08 | Single-drive linkage expansion lifting mechanism |
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| Country | Link |
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| CN (1) | CN113530139B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6052952A (en) * | 1999-02-26 | 2000-04-25 | Hwh Corporation | Flat floor room extension |
| US6905154B1 (en) * | 2004-05-18 | 2005-06-14 | Hwh Corporation | Universal room extension |
| CN2739259Y (en) * | 2004-10-26 | 2005-11-09 | 辽宁陆平机器股份有限公司 | Four-board linkage expanding square cabin |
| CN101602341A (en) * | 2009-06-01 | 2009-12-16 | 江苏捷诚车载电子信息工程有限公司 | Expanding cabin floor board lifting device |
| CN203093845U (en) * | 2012-12-25 | 2013-07-31 | 保定北奥石油物探特种车辆制造有限公司 | Extensible compartment of recreational vehicle |
| CN107097715A (en) * | 2017-04-25 | 2017-08-29 | 河南森源鸿马电动汽车有限公司 | A kind of police mobile office shelter |
-
2021
- 2021-06-08 CN CN202110637571.6A patent/CN113530139B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6052952A (en) * | 1999-02-26 | 2000-04-25 | Hwh Corporation | Flat floor room extension |
| US6905154B1 (en) * | 2004-05-18 | 2005-06-14 | Hwh Corporation | Universal room extension |
| CN2739259Y (en) * | 2004-10-26 | 2005-11-09 | 辽宁陆平机器股份有限公司 | Four-board linkage expanding square cabin |
| CN101602341A (en) * | 2009-06-01 | 2009-12-16 | 江苏捷诚车载电子信息工程有限公司 | Expanding cabin floor board lifting device |
| CN203093845U (en) * | 2012-12-25 | 2013-07-31 | 保定北奥石油物探特种车辆制造有限公司 | Extensible compartment of recreational vehicle |
| CN107097715A (en) * | 2017-04-25 | 2017-08-29 | 河南森源鸿马电动汽车有限公司 | A kind of police mobile office shelter |
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| Publication number | Publication date |
|---|---|
| CN113530139A (en) | 2021-10-22 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220512 Address after: 237000 south of Qianjin Road and east of jingsan North Road, Lu'an economic and Technological Development Zone, Anhui Province (in Anhui Bowei Chang'an Electronics Co., Ltd.) Applicant after: Anhui Bowei Chang'an Electronics Co.,Ltd. special purpose vehicle manufacturing branch Address before: 237000 south of Qianjin Road and east of jingsan North Road, Lu'an Economic Development Zone, Anhui Province Applicant before: ANHUI CHANG'AN SPECIAL PURPOSE AUTOMOBILE MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20221123 Address after: 237101 WenWeng Road, economic development zone, Lu'an City, Anhui Province Applicant after: ANHUI BOWEI CHANGAN ELECTRONICS Co.,Ltd. Address before: 237000 south of Qianjin Road and east of jingsan North Road, Lu'an economic and Technological Development Zone, Anhui Province (in Anhui Bowei Chang'an Electronics Co., Ltd.) Applicant before: Anhui Bowei Chang'an Electronics Co.,Ltd. special purpose vehicle manufacturing branch |
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