CN214336903U

CN214336903U - Fixing device of anti vibration navigation positioning antenna

Info

Publication number: CN214336903U
Application number: CN202120679425.5U
Authority: CN
Inventors: 魏爱民
Original assignee: Hainan University of Science and Technology
Current assignee: Hainan University of Science and Technology
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-10-01
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to a fixing device of anti vibration navigation positioning antenna, comprising a cylinder body, one-way screw rod, pivot and two-way screw rod, be equipped with bar opening and sucking disc on cylinder body top and the bottom respectively, be equipped with the air-vent valve on the cylinder body, be equipped with the piston in the cylinder body, first support and second support, the piston top is equipped with the sleeve, the sleeve is worn to locate on the first support, one-way screw rod establishes in the sleeve, and its upper end passes the second support and is connected with bearing with it, the pivot is worn to locate on the cylinder body, one-way screw rod is connected with pivot and two-way screw rod through first drive assembly and second drive assembly respectively, two-way screw rod establishes in the cylinder body and is connected with bearing with it, and its both sides are equipped with left nut and right nut respectively, be equipped with the bracing piece on left nut and the right nut. The utility model discloses a cylinder body, one-way screw rod, pivot and two-way screw rod's cooperation design has effectively solved current base and can not match multiple navigation positioning antenna, leads to its suitability poor, causes the waste, and the fixed scheduling problem of secondary of being not convenient for.

Description

Fixing device of anti vibration navigation positioning antenna

Technical Field

The utility model belongs to the technical field of the antenna fixing device, in particular to fixing device of anti vibration navigation positioning antenna.

Background

In the vast sea, a positioning antenna is needed to be used for navigation, and the positioning antenna plays roles in positioning and navigation. The positioning antenna plays a very important role in the navigation process, and accidents caused by positioning and navigation in passing navigation are rare.

At present, navigation positioning antenna all installs on corresponding base usually, and the base is directly pasted on the ship berth through the double faced adhesive tape usually, but the problem that exists among the prior art is: 1. the base can not fix the navigation positioning antenna with other sizes, and when the matched positioning navigation antenna is damaged and needs to be replaced, the base needs to be replaced at the same time, so that unnecessary waste is caused; 2. when needing to remove navigation positioning antenna position and carrying out the secondary and fixed, need the powerful double faced adhesive tape of demolising, and in order to guarantee the good bonding of ability next time, still need hard to clear away the residue of double faced adhesive tape on the base, the operation is very inconvenient, and the secondary is fixed inefficiency.

Content of reality

The utility model aims at providing a fixing device of anti vibration navigation positioning antenna to prior art not enough, through the cooperation design of cylinder body, one-way screw rod, pivot and two-way screw rod, effectively solved current base and can not match multiple navigation positioning antenna, lead to its suitability poor, cause the waste, and be not convenient for the fixed scheduling problem of secondary.

The utility model discloses the technical scheme who adopts:

a fixing device of an anti-vibration navigation positioning antenna comprises a cylinder body, a one-way screw rod, a rotating shaft and a two-way screw rod, wherein a bar-shaped opening and a sucker are respectively arranged at the top and the bottom of the cylinder body, the top of the sucker is communicated with the cylinder body, a pressure regulating valve is arranged on the side wall of the cylinder body, a piston, a first support and a second support are arranged in the cylinder body, a sleeve is arranged at the top of the piston, the sleeve penetrates through the first support and is in sliding connection with the first support, the cross section of the sleeve is of a non-circular structure, the one-way screw rod is arranged in the sleeve and is in threaded connection with the sleeve, the upper end of the one-way screw rod penetrates through the second support and is connected with a bearing of the second support, the rotating shaft is arranged on the side wall of the cylinder body in a penetrating manner, a handheld part is arranged at the end of the rotating shaft, and the one-way screw rod is respectively connected with the rotating shaft and the two-way screw rod through a first transmission component and a second transmission component, the bidirectional screw rod is arranged in the cylinder body and is connected with the cylinder body through a bearing, a left nut and a right nut are respectively arranged on two sides of the bidirectional screw rod, supporting rods are arranged on the left nut and the right nut, and the supporting rods penetrate through the strip-shaped openings and are provided with clamping portions.

Further, the first transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged on the end portion of the rotating shaft, and the second bevel gear is arranged at the upper end of the one-way screw and meshed with the first bevel gear.

Furthermore, the second transmission assembly comprises a third bevel gear and a fourth bevel gear, the third bevel gear is arranged at the upper end of the one-way screw, the fourth bevel gear is arranged on the two-way screw, and the third bevel gear is meshed with the fourth bevel gear.

Further, the pressure regulating valve comprises a valve body, a valve cover and a spring, the valve body is arranged on the bottom of the side wall of the cylinder body, a valve cavity is arranged in the valve body and communicated with the bottom of the cylinder body, the valve cover is arranged at the front end of the valve body and in threaded connection with the front end of the valve body, an air inlet is formed in the valve cover, a valve core is arranged in the air inlet, the spring is arranged in the valve cavity, and two ends of the spring are respectively abutted to the valve core and the side wall of the cylinder body.

Furthermore, the top of the sucker is provided with an annular groove, and the bottom of the cylinder body is arranged in the annular groove and is in sealing connection with the annular groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. make the pivot rotate through rotating handheld portion, the pivot drives one-way screw rod through first drive assembly and rotates, one-way screw rod passes through the sleeve and drives the piston upwards to slide, make the piston below produce the negative pressure, and then make the vertical effect of atmospheric pressure on the piston, the realization is fixed the cylinder body, when needing to pull down and carry out the secondary fixed, only need the handheld portion of antiport, make the piston below produce the malleation and can demolish, can relapse a lot of and fix, and need not be with the help of the foreign object, the operation is simple, and is convenient, the fixed efficiency of secondary has effectively been improved.

2. Accomplish fixed back to the cylinder body, place the navigation location antenna on the cylinder body top, continue to rotate handheld portion, make one-way screw rod drive two-way screw rod through second transmission assembly and rotate, two-way screw rod drives left nut and right nut and carries out the relative approach and move, make two bracing pieces drive the clamping part that sets up above that and press from both sides tight the navigation location antenna, at this in-process, utilize the negative pressure in the pressure regulating valve regulation cylinder body, when guaranteeing the negative pressure in the cylinder body, avoid appearing the condition that can't rotate handheld portion because the negative pressure is too big, realize pressing from both sides tight the navigation location antenna of multiple size through adjusting the distance between the clamping part, improve its suitability, do not need the matching fixing device of one-to-one, effectively reduced fixing device's waste.

3. When the large-mass navigation positioning antenna needs to be fixed, the effect of the pressure regulating valve is utilized, the compression amount of the spring is increased through the rotary valve cover, the opening pressure of the pressure regulating valve is improved, the negative pressure at the bottom of the piston is increased, the adsorption force is further increased, and the fixing effect is improved.

4. Utilize the effect of sucking disc, area of contact between increase and boats and ships effectively improves its leakproofness, and then increases fixed effect, and the sucking disc is made the effective damping buffering's that plays effect by soft materials, effectively protects the location antenna.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at A;

in the figure: 1. a suction cup; 2. a piston; 3. a sleeve; 4. a first support; 5. a unidirectional screw; 6. a hand-held portion; 7. a rotating shaft; 8. a bidirectional screw; 9. a right nut; 10. a support bar; 11. a clamping portion; 12. a fourth bevel gear; 13. a third bevel gear; 14. a strip-shaped opening; 15. a left nut; 16. a cylinder body; 17. a first bevel gear; 18. a second bevel gear; 19. a second support; 20. a valve cover; 21. a valve core; 22. an air inlet; 23. a valve body; 24. a spring; 25. a communicating hole; 26. a valve cavity.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides a fixing device of anti-vibration navigation positioning antenna, including cylinder 16, one-way screw 5, pivot 7 and two-way screw 8, cylinder 16 is circular structure, cylinder 16 bottom is open structure, be provided with bar opening 14 and sucking disc 1 on cylinder 16 top and bottom respectively, sucking disc 1 is made by soft materials and is funnel-shaped structure, sucking disc 1 top suits and communicates with cylinder 16 bottom, be provided with air-vent valve and intercommunicating pore 25 on the bottom of cylinder 16 lateral wall, the air-vent valve communicates with cylinder 16 bottom through intercommunicating pore 25, the air-vent valve is used for adjusting the interior negative pressure of cylinder 16, piston 2, first support 4 and second support 19 transversely are provided with in proper order from bottom to top in cylinder 16, first support 4 and second support 19 are installed on cylinder 16 inner wall, piston 2 top vertically is provided with sleeve 3, the inner chamber of sleeve 3 is provided with the internal thread, the sleeve 3 vertically penetrates through the first support 4 and is in sliding connection with the first support 4, the cross section of the sleeve 3 is of a non-circular structure, the sleeve 3 is effectively limited to rotate on the first support 4, the lower side of the one-way screw 5 is arranged in the sleeve 3 and is in threaded connection with the sleeve 3, so that the one-way screw 5 rotates and drives the sleeve 3 to vertically slide on the first support 4, the upper end of the one-way screw 5 vertically penetrates through the second support 19 and is in bearing connection with the second support 19, the rotating shaft 7 transversely penetrates through the side wall of the cylinder 16 and is in rotating connection with the side wall of the cylinder 16, the end part of the rotating shaft 7 is provided with a handheld part 6, the handheld part 6 is arranged as a hand wheel, the rotating shaft 7 is more labor-saving by rotating the handheld part 6, the rotating shaft 7 drives the one-way screw 5 to rotate through the first transmission assembly, the one-way screw 5 drives the two-way screw 8 to rotate through the second transmission assembly, the threads on two sides of the two-way screw 8 are opposite, the bidirectional screw 8 is parallel to the strip-shaped opening 14, the bidirectional screw 8 is arranged in the cylinder body 16 and is positioned above the unidirectional screw 5, two sides of the bidirectional screw 8 are respectively connected with bearings on two side walls of the cylinder body 16, a left nut 15 and a right nut 9 are respectively arranged on two sides of the bidirectional screw 8, supporting rods 10 are vertically arranged on the left nut 15 and the right nut 9, the top of each supporting rod 10 penetrates through the strip-shaped opening 14 and is provided with a clamping part 11, the navigation positioning antenna is clamped by the clamping part 11, the clamping part 11 is arranged into a V-shaped or semicircular structure, the clamping part 11 is taken as the prior art, the description is not carried out one by one, the width of each supporting rod 10 is matched with the width of the strip-shaped opening 14, the left nut 15 and the right nut 9 are effectively limited to rotate along with the bidirectional screw 8 by the matching effect of the strip-shaped groove and the supporting rods 10, so that the left nut 15 and the right nut 9 are driven to relatively move when the bidirectional screw 8 rotates, so that the clamping portion 11 clamps the different sized marine positioning antennas.

Specifically, the first transmission assembly comprises a first bevel gear 17 and a second bevel gear 18, the first bevel gear 17 is arranged on the end portion of the rotating shaft 7, the second bevel gear 18 is arranged on the upper end of the one-way screw 5 and meshed with the first bevel gear 17, the rotating shaft 7 drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the second bevel gear 18 to rotate, and the second bevel gear 18 drives the one-way screw 5 to rotate.

Specifically, the second transmission assembly comprises a third bevel gear 13 and a fourth bevel gear 12, the third bevel gear 13 is arranged at the upper end of the unidirectional screw 5, the fourth bevel gear 12 is arranged on the middle portion of the bidirectional screw 8, the third bevel gear 13 is meshed with the fourth bevel gear 12, the unidirectional screw 5 drives the third bevel gear 13 to rotate, the third bevel gear 13 drives the fourth bevel gear 12 to rotate, and the fourth bevel gear 12 drives the bidirectional screw 8 to rotate.

Specifically, the pressure regulating valve comprises a valve body 23, a valve cover 20 and a spring 24, the valve body 23 is hermetically arranged at the bottom of the side wall of the cylinder body 16, a valve cavity 26 is arranged in the valve body 23, the valve cavity 26 is communicated with the bottom of the cylinder body 16 through a communicating hole 25, the cross section of the valve body 23 is of a circular ring-shaped structure, an external thread is arranged on the outer surface of the valve body, the valve cover 20 is arranged at the front end of the valve body 23 and is in threaded connection with the valve body 23, a conical air inlet 22 is arranged on the valve cover 20, a conical valve core 21 is arranged in the air inlet 22, the valve core 21 is matched with the air inlet 22, a sealing gasket is arranged on the outer surface of the valve core 21, the sealing performance between the valve core 21 and the air inlet 22 is effectively improved, the spring 24 is arranged in the valve cavity 26, two ends of the spring 24 are respectively abutted against the side wall of the valve core 21 and the cylinder body 16, the valve core 21 is abutted against the front end of the air inlet 22 through the elastic force of the spring 24 to form throttling, when the negative pressure in the cylinder body 16 is too large, the external air pushes the valve 21 open through the air inlet 22 and enters the cylinder body 16, the negative pressure in the cylinder body 16 is further adjusted, and the situation that the navigation positioning antenna cannot be clamped due to the fact that the handheld part 6 cannot be rotated due to the fact that the negative pressure in the cylinder body 16 is too large is avoided; when the navigation positioning antenna with larger mass needs to be fixed, the valve cover 20 is rotated to increase the compression amount of the spring 24, so that the opening pressure of the pressure regulating valve is increased, the negative pressure in the cylinder body 16 is increased, the adsorption force is further increased, and the fixing effect is improved.

Specifically, the annular groove is formed in the top of the sucker 1, the bottom of the cylinder body 16 is arranged in the annular groove and is in sealing connection with the annular groove, the design of the annular groove is utilized, the sucker 1 is in sealing connection with the bottom of the cylinder body 16, the bottom of the cylinder body 16 is not in direct contact with a ship, the vibration isolation effect of the cylinder body is improved, the damage of the navigation positioning antenna caused by vibration is avoided, and the navigation positioning antenna is effectively protected.

The utility model discloses a theory of operation does:

when needing to fix the navigation positioning antenna, place the suitable position on boats and ships to fixing device, press cylinder body 16 downwards and rotate handheld portion 6, handheld portion 6 drives pivot 7 and rotates, pivot 7 drives second bevel gear 18 through first bevel gear 17 and rotates, second bevel gear 18 drives one-way screw 5 and rotates, because first support 4 has restricted sleeve 3 and has followed one-way screw 5 and rotate, make one-way screw 5 drive sleeve 3 and upwards slide on first support 4, sleeve 3 drives piston 2 and upwards slides, make the volume below piston 2 increase and produce the negative pressure, atmospheric pressure passes through piston 2 and uses on cylinder body 16, and then effectively fix cylinder body 16 on boats and ships. After the fixing is finished, the navigation positioning antenna is placed on the top of the cylinder 16 and located between the two clamping parts 11, the one-way screw 5 is enabled to continue to rotate by rotating the handheld part 6, the one-way screw 5 drives the fourth bevel gear 12 to rotate through the third bevel gear 13, the fourth bevel gear 12 drives the two-way screw 8 to rotate, due to the matching effect of the strip-shaped opening 14 and the supporting rod 10, the left nut 15 and the right nut 9 are limited to rotate along with the two-way screw 8, the two-way screw 8 drives the left nut 15 and the right nut 9 to move relatively close to each other, the left nut 15 and the right nut 9 respectively drive the two supporting rods 10 to move relatively close to each other in the strip-shaped groove, the supporting rod 10 drives the clamping parts 11 to clamp the navigation positioning antenna, it is required to be explained that the effect of the pressure regulating valve is utilized in the clamping process, when the negative pressure below the piston 2 is greater than a preset opening value, the pressure regulating valve is opened to enable external air to enter the cylinder 16 to regulate the negative pressure thereof, when the negative pressure below the piston 2 is ensured, the handheld part 6 is favorable for driving the rotating shaft 7 to continue rotating, and then the various navigation positioning antennas are clamped. The fixing device is simple and convenient to fix and operate, high in operation efficiency, capable of clamping various navigation positioning antennas, high in applicability and high in practicability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fixing device of anti vibration navigation positioning antenna which characterized in that: the cylinder comprises a cylinder body, a one-way screw rod, a rotating shaft and a two-way screw rod, wherein a bar-shaped opening and a sucker are respectively arranged at the top and the bottom of the cylinder body, the top of the sucker is communicated with the cylinder body, a pressure regulating valve is arranged on the side wall of the cylinder body, a piston, a first support and a second support are arranged in the cylinder body, a sleeve is arranged at the top of the piston, the sleeve penetrates through the first support and is in sliding connection with the first support, the cross section of the sleeve is of a non-circular structure, the one-way screw rod is arranged in the sleeve and is in threaded connection with the sleeve, the upper end of the one-way screw rod penetrates through the second support and is connected with a bearing, the rotating shaft is arranged on the side wall of the cylinder body, a handheld part is arranged at the end part of the rotating shaft, the one-way screw rod is respectively connected with the rotating shaft and the two-way screw rod through a first transmission component and a second transmission component, the two-way screw rod is arranged in the cylinder body and is connected with the bearing, and a left nut and a right nut are respectively arranged on two sides of the supporting rod, supporting rods are arranged on the left nut and the right nut, and the supporting rods penetrate through the strip-shaped openings and are provided with clamping parts.

2. An anti-vibration marine positioning antenna mounting apparatus as claimed in claim 1, wherein: the first transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged on the end portion of the rotating shaft, and the second bevel gear is arranged at the upper end of the one-way screw and meshed with the first bevel gear.

3. An anti-vibration marine positioning antenna mounting apparatus as claimed in claim 1, wherein: the second transmission assembly comprises a third bevel gear and a fourth bevel gear, the third bevel gear is arranged at the upper end of the one-way screw, the fourth bevel gear is arranged on the two-way screw, and the third bevel gear is meshed with the fourth bevel gear.

4. An anti-vibration marine positioning antenna mounting apparatus as claimed in claim 1, wherein: the pressure regulating valve comprises a valve body, a valve cover and a spring, the valve body is arranged on the bottom of the side wall of the cylinder body, a valve cavity is arranged in the valve body and communicated with the bottom of the cylinder body, the valve cover is arranged at the front end of the valve body and in threaded connection with the front end of the valve body, an air inlet is formed in the valve cover, a valve core is arranged in the air inlet, the spring is arranged in the valve cavity, and two ends of the spring are respectively abutted to the valve core and the side wall of the cylinder body.

5. An anti-vibration marine positioning antenna mounting apparatus as claimed in claim 1, wherein: the top of the sucker is provided with an annular groove, and the bottom of the cylinder body is arranged in the annular groove and is in sealing connection with the annular groove.