Lodging lifting device capable of keeping antenna horizontal

Abstract

The utility model provides a lodging lifting device capable of keeping an antenna horizontal. The lodging lifting device is used for solving the technical problem that in the prior art, when a vehicle-mounted antenna is folded, a lodging mechanism cannot automatically fold and lay down the antenna part. Comprising a base, a telescopic cylinder and a telescopic device, the telescopic cylinder and the telescopic device are installed at the two ends of the base in a hinged mode, the telescopic end of the telescopic device is installed on the outer end face of the bottom sleeve in a hinged mode, and an antenna assembly is installed on the top sleeve on the innermost side of the telescopic cylinder. The antenna assembly comprises a fixed flange mounted at the top end of the top sleeve and an antenna mounting seat rotationally mounted on the fixed flange through a first rotating shaft; the two ends of the first rotating shaft are provided with first gears, and the telescopic cylinder is also provided with a driving assembly which is engaged with the first gears to drive the antenna installation seat to rotate. When the antenna is folded or the angle is adjusted, the driving antenna assembly drives the antenna assembly to perform synchronous angle adjustment, so that the antenna part is automatically laid flat, and the automation degree is high.

Description

Technical Field

[0001] The utility model relates to the field of miniature antenna welding, in particular to a lodging lifting device capable of keeping the antenna level. Background Art

[0002] Special vehicles such as communications, firefighting, and rescue vehicles need to be equipped with professional communication antennas. When the vehicle-mounted antenna is in use, the antenna needs to be supported to ensure that the antenna has better communication performance. When not in use, the antenna needs to be folded and laid flat to allow the vehicle to have better passability and better protect the antenna during vehicle movement. The existing vehicle-mounted antenna needs to be manually folded and laid flat when the antenna is folded, which is very troublesome. Utility Model Content

[0003] The purpose of the utility model is to provide a retractable lifting device capable of keeping the antenna level, so as to solve the technical problem in the prior art that the retractable mechanism of the existing vehicle-mounted antenna cannot automatically realize the folding and laying of the antenna part when the antenna is folded.

[0004] A lying lifting device capable of keeping an antenna level comprises a base, a telescopic cylinder with multiple stages of telescopic movement hingedly mounted on one end of the base, and a telescope hingedly mounted on the other end of the base;

[0005] The bottom end of the outermost bottom sleeve of the telescopic cylinder is hingedly mounted on the base, the telescopic end of the telescope is hingedly mounted on the outer end surface of the bottom sleeve, and the antenna assembly is installed on the innermost top sleeve of the telescopic cylinder.

[0006] Optionally, the antenna assembly includes a fixing flange mounted on the top of the top sleeve, an antenna mounting seat is provided on the fixing flange, and the lower end of the antenna mounting seat is rotatably mounted on the fixing flange via a first rotating shaft;

[0007] Both ends of the first rotating shaft are equipped with first gears, and the telescopic cylinder is also provided with a driving component for engaging with the first gears to drive the antenna mounting seat to rotate.

[0008] Optionally, the driving assembly includes two protrusions fixed on the outer end surface of the fixing flange, and the protrusions are arranged at 180° along the axis of the top sleeve;

[0009] A first mounting shaft is mounted on the outer wall of each of the protrusions, a second gear is rotatably mounted on the first mounting shaft, and the second gear meshes with the first gear for transmission.

[0010] Optionally, the driving assembly further comprises a locker fixedly mounted on an end surface of the second gear close to an outer end surface of the top sleeve;

[0011] The telescopic cylinder is also provided with two sets of locking mechanisms for cooperating with the lockers on both sides to lock or release the second gears on both sides. Two sets of transmission mechanisms are also provided between the bottom sleeve and the base for driving the second gears on both sides to rotate.

[0012] Optionally, the locker comprises a locking disc, and the locking disc is coaxially arranged with the second gear;

[0013] A first through hole for the first mounting shaft to pass through is provided at the center of the locking disc, an annular groove is provided on the end surface of the locking disc close to the outer end surface of the top sleeve, and a locking groove is provided between the annular groove and the outer end surface of the locking disc.

[0014] Optionally, the locking mechanism comprises an inverted L-shaped mounting plate mounted on the fixing flange, a spring arranged in a vertical direction is mounted on the top end of the inverted L-shaped mounting plate, and an L-shaped limit block is connected to the spring;

[0015] The protrusions are all provided with sliding holes for sliding guides with the L-shaped limit block. A limit plate is also installed on the top surface of the bottom sleeve. A limit groove is provided on the top of the limit plate. When the spring is in a free state, the limit end of the L-shaped limit block is located in the locking groove.

[0016] Optionally, the transmission mechanism includes a second mounting shaft mounted on the outer wall of the bottom sleeve, one end of the connecting plate is rotatably mounted on the second mounting shaft, the other end of the connecting plate is rotatably connected to one end of a connecting rod, and the other end of the connecting rod is hingedly mounted on the base;

[0017] A third gear is fixedly mounted on the connecting plate, and the third gear is coaxially arranged with the second mounting shaft. When the telescopic cylinder is retracted, the third gear meshes with the second gear for transmission.

[0018] Optionally, an air inlet hole is further provided on the outer wall of the bottom end of the bottom sleeve, and the air inlet hole is connected to an external air pumping assembly for controlling the telescopic movement of the top sleeve and a plurality of intermediate sleeves of the telescopic cylinder.

[0019] Optionally, the telescopic device is an electric telescopic rod.

[0020] Due to the adoption of the above technical solution, the utility model has the following advantages:

[0021] 1. The present application sets a driving component, and when the antenna is folded or the angle is adjusted, the driving antenna component drives the antenna component to perform synchronous angle adjustment, thereby realizing automatic flattening of the antenna part, with a high degree of automation.

[0022] 2. The present application sets a lock, a spring, an L-shaped limit block and a limit groove. When the telescopic tube is extended, the L-shaped limit block is located in the locking groove of the lock, thereby realizing the locking of the second gear, the first gear, the antenna mounting seat and the antenna part. When the telescopic tube is retracted to the bottom, the L-shaped limit block is located in the annular groove of the lock. Through the meshing of the gear set of the third gear, the second gear and the first gear, the angle adjustment of the antenna mounting seat and the antenna part is realized. During the folding process, the antenna mounting seat and the antenna part are folded and laid flat.

[0023] 3. The present application sets a connecting rod parallel to the telescopic tube. During the rotation of the telescopic tube, the connecting rod pulls the connecting plate and the third gear to rotate. The third gear drives the antenna mounting seat and the antenna part through the gear group to adjust synchronously, so that the antenna mounting seat and the antenna part can always remain in a horizontal position.

[0024] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings of the present utility model are described as follows.

[0026] Figure 1 It is a structural schematic diagram of the lodging lifting device in the utility model.

[0027] Figure 2 It is a schematic diagram of the structure of the lodging lifting device after the angle is adjusted in the utility model.

[0028] Figure 3 It is a structural schematic diagram of the bottom sleeve in the utility model.

[0029] Figure 4 For the utility model Figure 1 A partial enlarged view of point A in the middle.

[0030] Figure 5 For the utility model Figure 3 A partial enlarged view of point B in the middle.

[0031] Figure 6 It is a structural schematic diagram of the fixed flange in the utility model.

[0032] Figure 7 It is a structural schematic diagram of the driving assembly when the telescopic cylinder in the utility model is contracted.

[0033] Figure 8 It is a structural schematic diagram of the lock in the utility model.

[0034] In the figure: 1-base; 2-telescopic cylinder; 3-retractor; 201-bottom sleeve; 202-top sleeve; 203-air inlet; 204-middle sleeve; 401-fixing flange; 402-antenna mounting seat; 403-first rotating shaft; 404-first gear; 501-bump; 502-first mounting shaft; 503-second gear; 504-locker; 505-inverted L-shaped mounting plate; 506-spring; 507-L-shaped limiting block; 508-sliding hole; 509-limiting plate; 510-limiting groove; 511-second mounting shaft; 512-connecting plate; 513-connecting rod; 514-third gear; 5041-locking disc; 5042-first through hole; 5043-annular groove; 5044-locking groove. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0036] Example:

[0037] like Figure 1 , Figure 2 and Figure 4 The illustrated embodiment is a lying lifting device capable of keeping an antenna level, comprising a base 1, a telescopic cylinder 2 with multiple telescopic stages hingedly mounted at one end of the base 1, and a telescope 3 hingedly mounted at the other end of the base 1;

[0038] The bottom end of the outermost bottom sleeve 201 of the telescopic cylinder 2 is hingedly mounted on the base 1, the telescopic end of the telescope 3 is hingedly mounted on the outer end surface of the bottom sleeve 201, and the innermost top sleeve 202 of the telescope 2 is equipped with an antenna assembly.

[0039] In this embodiment, the telescopic device 3 is an electric telescopic rod.

[0040] like Figure 1 , Figure 2 and Figure 4 As shown, the antenna assembly includes a fixing flange 401 mounted on the top of the top sleeve 202, an antenna mounting seat 402 is provided on the fixing flange 401, and the lower end of the antenna mounting seat 402 is rotatably mounted on the fixing flange 401 through a first rotating shaft 403;

[0041] First gears 404 are installed at both ends of the first rotating shaft 403 , and a driving component for engaging with the first gears 404 to drive the antenna mounting seat 402 to rotate is also provided on the telescopic cylinder 2 .

[0042] In this embodiment, the antenna is mounted on the antenna mounting seat 402, the two ends of the first rotating shaft 403 are fixedly mounted on the lower end of the antenna mounting seat 402, the middle part of the first rotating shaft 403 rotates around the fixed flange 401, and the angle of the antenna mounting seat 402 and the antenna is adjusted by the driving component. The present application sets a driving component, and when the antenna is folded or the angle is adjusted, the driving component drives the antenna component to adjust the angle synchronously, so as to realize the automatic leveling of the antenna mounting seat 402 and the antenna part, and the degree of automation is high.

[0043] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the driving assembly includes two protrusions 501 fixed on the outer end surface of the fixing flange 401, and the protrusions 501 are arranged at 180 degrees along the axis of the top sleeve 202;

[0044] A first mounting shaft 502 is mounted on the outer wall of each of the protrusions 501 . A second gear 503 is rotatably mounted on the first mounting shaft 502 . The second gear 503 is meshed with the first gear 404 for transmission.

[0045] In this embodiment, when the second gear 503 rotates, the second gear 503 drives the first gear 404 to rotate.

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the driving assembly further includes a locker 504 fixedly mounted on an end surface of the second gear 503 close to the outer end surface of the top sleeve 202;

[0047] The telescopic cylinder 2 is also provided with two sets of locking mechanisms for respectively cooperating with the lockers 504 on both sides to lock or release the second gears 503 on both sides. Two sets of transmission mechanisms are also provided between the bottom sleeve 201 and the base 1 for respectively driving the second gears 503 on both sides to rotate.

[0048] like Figure 5 , Figure 6 and Figure 7 As shown, the locker 504 includes a locking disc 5041, and the locking disc 5041 is coaxially arranged with the second gear 503;

[0049] A first through hole 5042 for the first mounting shaft to pass through is provided at the center of the locking disc 5041, an annular groove 5043 is provided on the end surface of the locking disc 5041 close to the outer end surface of the top sleeve 202, and a locking groove 5044 is provided between the annular groove 5043 and the outer end surface of the locking disc 5041.

[0050] like Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the locking mechanism includes an inverted L-shaped mounting plate 505 mounted on the fixing flange 401, a spring 506 arranged in the vertical direction is mounted on the top of the inverted L-shaped mounting plate 505, and an L-shaped limit block 507 is connected to the spring 506;

[0051] The protrusions 501 are each provided with a sliding hole 508 for slidingly guiding the L-shaped limit block 507. A limit plate 509 is also installed on the top surface of the bottom sleeve 201. A limit groove 510 is provided at the top of the limit plate 509. When the spring 506 is in a free state, the limit end of the L-shaped limit block 507 is located in the locking groove 5044.

[0052] In this embodiment, when the antenna is in use, it is required that the antenna be supported, and the top sleeve 202 is extended by inflating the telescopic tube 2. At this time, the spring 506 is in a free state, and the limiting end of the L-shaped limiting block 507 is located in the locking groove 5044, thereby locking the angle of the antenna mounting seat 402 and the antenna part. When the antenna needs to be folded and laid flat, air is pumped from the telescopic tube 2 to shrink the top sleeve 202 to the bottom. At this time, the bottom end of the L-shaped limiting block 507 is located in the limiting groove 510 and contacts each other, so that the spring 506 is compressed and the limiting end of the L-shaped limiting block 507 is located in the annular groove 5043, driving the second gear 503 to rotate, and the second gear 503 drives the first gear 404, the antenna mounting seat 402 and the antenna part to rotate.

[0053] like Figure 1 and Figure 2 As shown, the transmission mechanism includes a second mounting shaft 511 mounted on the outer wall of the bottom sleeve 201, one end of a connecting plate 512 is rotatably mounted on the second mounting shaft 511, the other end of the connecting plate 512 is rotatably connected to one end of a connecting rod 513, and the other end of the connecting rod 513 is hingedly mounted on the base 1;

[0054] A third gear 514 is fixedly mounted on the connecting plate 512 . The third gear 514 is coaxially arranged with the second mounting shaft 511 . When the telescopic cylinder 2 is retracted, the third gear 514 is meshed with the second gear 503 for transmission.

[0055] In this embodiment, the telescopic cylinder 2 is hinged on the base plate 1 through a rotating shaft, and the rotating shaft of the telescopic cylinder 2 can be connected to a driving motor. When it needs to be folded and laid flat, the top sleeve 202 of the telescopic cylinder 2 is retracted to the bottom, and the driving motor drives the telescopic cylinder 2 to rotate to adjust the angle. During the adjustment process, the connecting rod 513 rotates at the same angle as the telescopic cylinder 2. Under the pull of the connecting rod 513, the connecting plate 512 and the third gear 514 rotate around the second installation axis 511, and the third gear 514 meshes with the second gear 503 for transmission, so that the antenna mounting seat 402 and the antenna part can remain horizontal after being folded.

[0056] like Figure 1 , Figure 2 and Figure 3 As shown, an air inlet hole 203 is also provided on the outer wall of the bottom end of the bottom sleeve 201 , and the air inlet hole 203 is connected to an external air pumping component for controlling the extension and retraction of the top sleeve 202 and a plurality of middle sleeves 204 of the telescopic cylinder 2 .

[0057] In this embodiment, the telescopic tube 2 is a three-stage sleeve, including a bottom sleeve 201, a top sleeve 202 and a middle sleeve 204; when the telescopic tube 2 needs to be extended, air is inflated into the telescopic tube 2 through the external air pumping assembly and the air inlet 203, so that the top sleeve 202 and the middle sleeve 204 are extended; when the angle of the antenna mounting base 402 needs to be adjusted, air is pumped from the telescopic tube 2 through the external air pumping assembly and the air inlet 203, so that the top sleeve 202 is retracted to the bottom.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A lodging lifting device capable of keeping an antenna level, characterized in that: It comprises a base (1), a telescopic cylinder (2) with multiple telescopic stages hingedly mounted on one end of the base (1), and a telescoping device (3) hingedly mounted on the other end of the base (1); The bottom end of the outermost bottom sleeve (201) of the telescopic cylinder (2) is hingedly mounted on the base (1), the telescopic end of the telescope (3) is hingedly mounted on the outer end surface of the bottom sleeve (201), and an antenna assembly is mounted on the innermost top sleeve (202) of the telescopic cylinder (2).

2. The inverted lifting device capable of keeping the antenna horizontal according to claim 1, characterized in that: The antenna assembly comprises a fixing flange (401) mounted on the top of the top sleeve (202), an antenna mounting seat (402) being arranged on the fixing flange (401), and a lower end of the antenna mounting seat (402) being rotatably mounted on the fixing flange (401) via a first rotating shaft (403); Both ends of the first rotating shaft (403) are mounted with first gears (404), and the telescopic cylinder (2) is also provided with a driving component for engaging with the first gear (404) to drive the antenna mounting seat (402) to rotate.

3. The inverted lifting device capable of keeping the antenna horizontal according to claim 2, characterized in that: The driving assembly comprises two protrusions (501) fixed on the outer end surface of the fixing flange (401), and the protrusions (501) are arranged at 180 degrees along the axis of the top sleeve (202); A first mounting shaft (502) is mounted on the outer wall of each of the protrusions (501), a second gear (503) is rotatably mounted on the first mounting shaft (502), and the second gear (503) is meshed with the first gear (404) for transmission.

4. The inverted lifting device capable of keeping the antenna horizontal according to claim 3, characterized in that: The driving assembly further comprises a locker (504) fixedly mounted on an end surface of the second gear (503) close to an outer end surface of the top sleeve (202); The telescopic cylinder (2) is also provided with two sets of locking mechanisms for respectively cooperating with the lockers (504) on both sides to lock or release the second gears (503) on both sides. Two sets of transmission mechanisms are also provided between the bottom sleeve (201) and the base (1) for respectively driving the second gears (503) on both sides to rotate.

5. The lodging lifting device capable of keeping the antenna horizontal according to claim 4, characterized in that: The locker (504) comprises a locking disc (5041), wherein the locking disc (5041) is coaxially arranged with the second gear (503); A first through hole (5042) for the first mounting shaft to pass through is provided at the center of the locking disc (5041), an annular groove (5043) is provided on the end surface of the locking disc (5041) close to the outer end surface of the top sleeve (202), and a locking groove (5044) is provided between the annular groove (5043) and the outer end surface of the locking disc (5041).

6. The inverted lifting device capable of keeping the antenna horizontal according to claim 5, characterized in that: The locking mechanism comprises an inverted L-shaped mounting plate (505) mounted on the fixing flange (401), a spring (506) arranged in a vertical direction is mounted on the top end of the inverted L-shaped mounting plate (505), and an L-shaped limiting block (507) is connected to the spring (506); The protrusions (501) are provided with sliding holes (508) for slidingly guiding the L-shaped limit block (507), and a limit plate (509) is also installed on the top end surface of the bottom sleeve (201). A limit groove (510) is provided at the top end of the limit plate (509). When the spring (506) is in a free state, the limit end of the L-shaped limit block (507) is located in the locking groove (5044).

7. The lodging lifting device capable of keeping the antenna horizontal according to claim 4, characterized in that: The transmission mechanism comprises a second mounting shaft (511) mounted on the outer wall of the bottom sleeve (201), one end of a connecting plate (512) being rotatably mounted on the second mounting shaft (511), the other end of the connecting plate (512) being rotatably connected to one end of a connecting rod (513), and the other end of the connecting rod (513) being hingedly mounted on the base (1); A third gear (514) is fixedly mounted on the connecting plate (512), and the third gear (514) is coaxially arranged with the second mounting shaft (511). When the telescopic cylinder (2) is retracted, the third gear (514) meshes with the second gear (503) for transmission.

8. The inverted lifting device capable of keeping the antenna horizontal according to claim 1, characterized in that: An air inlet hole (203) is also provided on the outer wall of the bottom end of the bottom sleeve (201), and the air inlet hole (203) is connected to an external air pumping component for controlling the extension and retraction of the top sleeve (202) and a plurality of intermediate sleeves (204) of the telescopic cylinder (2).

9. The inverted lifting device capable of keeping the antenna horizontal according to claim 1, characterized in that: The telescopic device (3) is an electric telescopic rod.

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