CN212456063U - Portable GPS receiver - Google Patents

Abstract

The utility model relates to the field of GPS receivers, in particular to a portable GPS receiver aiming at the problem that the GPS receiver is not easy to carry, the GPS receiver comprises a base, a base fixed on the base, a GPS receiver detachably connected with the base and a tripod rest arranged on the base, wherein the tripod rest comprises three support rods rotationally connected with the base, one side of the base far away from the base is also provided with a secondary limiting part for limiting the rotation of a connecting rod, each support rod comprises a connecting rod, a connecting rod and a pin rod connected with the connecting rod, the tripod rest comprises a main limiting part for limiting the relative rotation of the connecting rod and an auxiliary limiting part for limiting the relative rotation of the connecting rod and the pin rod, the three connecting rods have the same length, and the three pin rods have the same length, when the connecting rod rotates to be perpendicular to the connecting seat rod and is parallel to the horizontal plane, the top end of the connecting rod is higher than that of the GPS receiver. The utility model discloses have the effect that makes GPS receiver portable.

Description

Portable GPS receiver

Technical Field

The utility model belongs to the technical field of the technique of GPS receiver and specifically relates to a portable GPS receiver is related to.

Background

At present, the application of GPS technology is becoming wider, the GPS positioning technology includes single-point positioning technology and differential positioning technology, and at present, differential GPS technology is generally adopted, and in the differential GPS positioning technology, a GPS receiver is an indispensable part.

Existing GPS receivers generally include a base, a GPS receiver removably connected to the base, and a tripod mount pivotally connected to the base. When the GPS receiver is used for working, the GPS receiver is usually fixed on a base, and then the tripod is unfolded and fixed on the ground; when the GPS receiver needs to be stored, the tripod support is usually required to be firstly closed and combined towards the base, the tripod support is tied up and fixed, and then the GPS receiver detachably connected to the base is taken down and stored separately.

The above prior art solutions have the following drawbacks: because the GPS receiver needs to be at a relatively high height to better receive signals, the tripod stand of the existing GPS receiver is relatively long, not easy to carry and transport, and thus, there is still room for improvement.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, the object of the present invention is to provide a portable GPS receiver.

The above object of the present invention is achieved by the following technical solutions:

a portable GPS receiver comprises a base, a base fixed on the base, a GPS receiver detachably connected with the base and a tripod support arranged on the base, wherein the tripod support comprises three support rods rotationally connected with the base, one side of the base away from the base on the base is also provided with a secondary limiting part for limiting a connecting rod to be close to one end of the base to rotate, the support rods comprise a connecting rod rotationally connected with the base, a connecting rod rotationally connected with one end of the connecting rod away from the base and a sharp rod rotationally connected with one end of the connecting rod away from the one end of the connecting rod, the tripod support further comprises a main limiting part for limiting the connecting rod to rotate relative to the connecting rod and an auxiliary limiting part for limiting the connecting rod to rotate relative to the sharp rod, the three connecting rods are the same in length and the same in length, and when the connecting rod rotates to the length direction thereof to extend along the horizontal direction, and when the connecting rod rotates to be perpendicular to the connecting seat rod, the top end of the connecting rod is higher than the top end of the GPS receiver.

By adopting the technical scheme, when a GPS receiver needs to be stored, the length direction of the connecting seat rod extends along the horizontal direction by rotating the connecting seat rod, then the length direction of the connecting rod is vertical to the length direction of the connecting seat rod by rotating the connecting rod, the relative rotation of the connecting seat rod and the connecting rod is limited by the main limiting part, the connecting seat rod and the connecting rod are relatively fixed, finally the connecting pin rod and the connecting rod are mutually vertical by rotating the pin rod, and the relative rotation of the connecting rod and the pin rod is limited by the auxiliary limiting part, so that the connecting rod and the pin rod are relatively fixed, because the three connecting seat rods are the same in length, the three connecting rods are the same in length, and the three pin rods are the same in length, thereby the connecting seat rod, the connecting rod and the pin rod are folded into a mutually vertical state, the pin rods are all positioned on the same horizontal plane, and further the GPS receiver can be, the GPS receiver can be accommodated only by rotating the connecting seat rod, the connecting rod and the pin rod to be vertical to each other and inverting the connecting seat rod, the connecting rod and the pin rod on the ground, so that the GPS receiver is more convenient to carry and transport.

The present invention may be further configured in a preferred embodiment as: the one end of even seat pole keeping away from the base is fixed with the connecting plate, when even seat pole rotates to its length direction and the length direction of connecting rod unanimity, the one end and the connecting plate butt that the connecting rod is close to even seat pole.

By adopting the technical scheme, the rotation of the connecting rod is limited through the arrangement of the connecting plate, so that the connecting rod can be more easily rotated to the position where the length direction of the connecting rod is consistent with that of the connecting seat, the supporting rod can be more easily unfolded into a straight rod when in use, and the mounting operation of the tripod is more convenient and simpler when in use; meanwhile, the support stability of the tripod to the GPS receiver is improved better.

The present invention may be further configured in a preferred embodiment as: one side of the connecting plate, which is far away from the seat connecting rod, is also fixedly connected with an opening circular ring for inserting the connecting rod, the opening circular ring is in interference fit with the connecting rod, an opening of the opening circular ring is right opposite to the connecting plate, and when the connecting rod is inserted into the opening circular ring, the length direction of the connecting rod is consistent with the length direction of the seat connecting rod.

By adopting the technical scheme, the connecting rod is directly inserted into the opening ring when being fixed through the arrangement of the opening ring, so that the connecting rod is fixed while the rotating angle is adjusted, the connecting rod is not required to be additionally fixed, and the operation is simple and convenient; meanwhile, the connecting rod abutted with the connecting plate is more stably in an abutted state with the connecting plate, and the connecting rod is favorably fixed at a position of which the length direction is consistent with that of the connecting seat; through opening ring and connecting rod interference fit, be favorable to restricting the activity behind the connecting rod insertion opening ring.

The present invention may be further configured in a preferred embodiment as: the opening of the opening ring is rounded.

Through adopting above-mentioned technical scheme, through opening ring opening radius angle, be favorable to reducing the connecting rod when inserting the opening ring with the friction of opening ring, be favorable to reducing because interference fit causes the mutual extruded condition of connecting rod and opening ring opening part to be favorable to reducing the wearing and tearing each other of connecting rod and opening ring, be favorable to protecting connecting rod and opening ring.

The present invention may be further configured in a preferred embodiment as: the inner wall of the opening circular ring is provided with a flexible piece.

By adopting the technical scheme, the arrangement that the flexible piece is arranged on the inner wall of the opening circular ring is beneficial to weakening the collision of the connecting rod with the inner wall of the opening circular ring when the connecting rod is inserted into the opening circular ring, and is beneficial to reducing the abrasion of the connecting rod and the inner wall of the opening circular ring; meanwhile, the friction between the flexible piece and the connecting rod inserted into the opening ring is increased, the movement of the connecting rod in the opening ring is limited, and the connecting rod is kept at a position where the length direction of the connecting rod is consistent with the length direction of the connecting seat rod.

The present invention may be further configured in a preferred embodiment as: the base is correspondingly provided with a movable groove for the movement of the three support rods, and when the seat connecting rod rotates to the length direction and extends along the horizontal direction, the outer side wall of one end, close to the base, of the seat connecting rod is abutted to the top wall of the movable groove.

Through adopting above-mentioned technical scheme, through the setting in activity groove, be favorable to portable GPS receiver to connect the seat pole to rotate better to its length direction and extend along the horizontal direction when accomodating, carrying for the follow-up operation of accomodating of bracing piece is more simple and convenient.

The present invention may be further configured in a preferred embodiment as: the secondary limiting part comprises a fixing column fixed on one side, far away from the base, of the base and a limiting disc fixed on one end, far away from the base, wherein a clamping groove for inserting the seat connecting rod is formed in the limiting disc correspondingly to the three supporting rods, and the seat connecting rod is in interference fit with the clamping groove.

By adopting the technical scheme, the connecting rod is rotated to be inserted into the clamping groove of the limiting disc, so that the movement of the connecting rod is favorably limited, the opening angles of the connecting rod are consistent when the connecting rod is used every time, the level of the base is favorably kept, and the detection accuracy of the GPS receiver is favorably improved; meanwhile, the stability of the tripod is improved better; in addition, when the portable GPS receiver is placed on the ground upside down and the sharp foot rod is abutted against the ground, the limiting disc can be used as a lifting handle, so that the GPS receiver is more convenient to carry.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a pair of sharp foot pole, including connecting rod, fixed plate and limiting plate, the connecting rod is close to one of sharp foot pole and serves fixedly connected with right angle iron sheet, right angle iron sheet is including being fixed in fixed plate and the limiting plate on the connecting rod, works as when the connecting rod rotates to the length direction mutually perpendicular of its length direction and sharp foot pole, the limiting plate is close to the one end butt of connecting rod with sharp foot pole.

Through adopting above-mentioned technical scheme, through rotating the sharp foot pole to its one end lateral wall and limiting plate butt that is close to the connecting rod, be favorable to the sharp foot pole to accurately rotate when portable GPS receiver is accomodate with connecting rod mutually perpendicular's position, be favorable to three sharp foot poles after folding on being in the coplanar, be favorable to portable GPS receiver folding to put the back down and stably arrange in ground.

The present invention may be further configured in a preferred embodiment as: the height of the GPS receiver is adjustable.

Through adopting above-mentioned technical scheme, through the regulation of GPS receiver height, it is minimum to be favorable to portable GPS receiver to adjust its height at the process of accomodating, reduce the possibility of prong pole and GPS receiver top collision when being favorable to folding, be favorable to the folding of tripod support, be favorable to portable GPS receiver to accomodate back volume minimizing, when using portable GPS receiver, GPS receiver height-adjustable for GPS can adapt to different actual conditions, convenient measurement.

The present invention may be further configured in a preferred embodiment as: the end of the pointed foot rod, which is far away from the connecting rod, is in a conical shape, and the end of the pointed foot rod, which is far away from the connecting rod, is also integrally connected with a supporting sheet.

By adopting the technical scheme, the GPS receiver is fixed on the flat ground by external force, and the matching of the supporting sheet and the end part of the conical sharp-foot rod is avoided without adding other fixing parts, so that the GPS receiver is more convenient to fix when used on the flat ground, the portable GPS receiver is favorably and stably placed on the horizontal ground, the installation operation of the GPS receiver when used is favorably simplified, and the stability of the GPS receiver for receiving signals is favorably improved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the connecting seat rod is rotated to the length direction and extends along the horizontal direction by rotating the connecting seat rod, the connecting rod and the pin rod, and meanwhile, the connecting rod is perpendicular to the connecting seat rod and the pin rod is perpendicular to the connecting rod, so that the GPS receiver can be stably placed on the ground in an inverted mode, and the GPS receiver is more convenient to carry and transport;

2. the connecting rod is limited in rotation through the arrangement of the connecting plate and the opening ring, so that the connecting rod can be easily rotated to a position where the length direction of the connecting rod is consistent with the length direction of the connecting seat, the supporting rod can be easily unfolded into a straight rod when in use, and the three-leg support is more convenient to install and operate when in use;

3. when the portable GPS receiver is placed on the ground upside down, the limiting disc can be used as a handle, so that the GPS receiver is more convenient to carry;

4. through rotating sharp foot pole to its one end lateral wall and limiting plate butt that is close to the connecting rod, be favorable to sharp foot pole to accurately rotate when portable GPS receiver accomodates with connecting rod mutually perpendicular's position, be favorable to three sharp foot poles after folding be in the coplanar, be favorable to portable GPS receiver folding to put the back and stably arrange in ground.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a portable GPS receiver according to the present invention;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

FIG. 3 is an enlarged schematic view of section B of FIG. 1;

FIG. 4 is an enlarged schematic view of section C of FIG. 1;

fig. 5 is a schematic diagram of the overall structure of the portable GPS receiver in a folded state according to the present invention.

In the figure, 1, a GPS receiver; 11. connecting columns; 2. a base; 21. connecting holes; 22. a bolt; 3. a base; 31. a secondary restriction; 311. fixing a column; 312. a limiting disc; 3121. a card slot; 32. a movable groove; 4. a fixing member; 41. a closed circular ring; 42. a connecting plate; 43. an open circular ring; 431. a flexible member; 5. a main restraint; 51. a main nut; 52. a main stud; 6. a right-angle iron sheet; 61. a fixing plate; 62. a limiting plate; 7. limiting iron sheets; 8. a tripod stand; 81. a support bar; 811. a seat-connecting rod; 812. a connecting rod; 813. a toe rod; 8131. a support sheet; 8132. a tapered prong; 9. a secondary restraint; 91. a secondary stud; 92. and a secondary nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a portable GPS receiver, including being fixed in subaerial tripod 8, a GPS receiver 1 for installing tripod 8's base 3 and setting up on base 3, tripod 8 includes that three rotate to connect the bracing piece 81 on base 3, bracing piece 81 is including rotating the connecting rod 811 of connecting on base 3, keep away from base 3 one end with connecting rod 811 and rotate the connecting rod 812 of being connected and keep away from connecting rod 812 one end with connecting rod 811 and rotate the sharp foot pole 813 of being connected, bracing piece 81 still includes restriction connecting rod 811 and connecting rod 812 relative rotation's main restriction piece 5 and restriction connecting rod 813 and sharp foot pole relative rotation's vice restriction piece 9.

Referring to fig. 1 and 2, a base 2 is fixed to a base 3, and a GPS receiver 1 is detachably connected to the base 2. A connecting column 11 is fixed on one side of the GPS receiver 1 close to the base 2, a connecting hole 21 for the connecting column 11 to be inserted into is formed in the base 2, a threaded hole (not shown in the figure) is formed in the side wall of the connecting hole 21, a bolt 22 is connected to the threaded hole in a threaded manner, and when the connecting column 11 is inserted into the connecting hole 21, the bolt 22 abuts against the connecting column 11.

Referring to fig. 1, the susceptor 3 is cylindrical, and three support rods 81 are uniformly distributed around the circumference of the susceptor 3. One side that base 2 was kept away from to base 3 is sunken to have and supplies even seat pole 811 pivoted movable groove 32, and movable groove 32 sets up to the square groove, and movable groove 32 runs through the lateral wall of base 3 in order to form the opening, when even seat pole 811 rotate to with movable groove 32's roof butt, even the length direction of seat pole 811 extends along the horizontal direction.

Referring to fig. 5, a fixing column 311 is fixedly connected to one side of the base 3 away from the base 2, a limiting disc 312 is fixedly connected to one end of the fixing column 311 away from the base 3, and the limiting disc 312 is parallel to the base 3. The circumferential side wall of the limiting disc 312 is provided with three clamping grooves 3121 for the support rod 81 to be inserted, the three clamping grooves 3121 correspond to the support rod 81, the three clamping grooves 3121 are uniformly distributed around the circumference of the limiting disc 312, and the clamping grooves 3121 are arc-shaped. The clamping groove 3121 and the seat connecting rod 811 are in interference fit, and when the seat connecting rod 811 is inserted into the clamping groove 3121 and the outer wall of the seat connecting rod 811 abuts against the inner wall of the clamping groove 3121, an included angle between the seat connecting rod 811 and the fixing column 311 is 15 °.

Referring to fig. 1 and 3, a fixing member 4 for fixing the position of the connecting rod 812 is further fixed to one end of the seat connecting rod 811 away from the base 3, the fixing member 4 includes a closed ring 41 fixed to one end of the seat connecting rod 811 away from the base 3, a connecting plate 42 integrally connected to the closed ring 41, and an open ring 43 integrally connected to the connecting plate 42, and the connecting plate 42 extends in the longitudinal direction of the seat connecting rod 811. The opening ring 43 is located at one end of the connecting plate 42 far away from the closed ring 41, and the opening part of the opening ring 43 is opposite to the connecting plate 42. The opening portion of the opening ring 43 is rounded. When the connecting rod 812 is inserted into the open ring 43 and the outer wall of the connecting rod 812 abuts against the inner wall of the open ring 43, the length direction of the connecting rod 812 is the same as the length direction of the connecting seat rod 811. A flexible member 431 is further fixed to the side of the opening ring 43 abutting against the connecting rod 812, and in this embodiment, the flexible member 431 is provided as a sponge pad.

Referring to fig. 1 and 3, the main stopper 5 includes a main stud 52 fixed to one end of the connecting rod 812 near the connecting rod 811, and a main nut 51 screwed to the main stud 52, the main stud 52 has a longitudinal direction perpendicular to the longitudinal direction of the connecting rod 812, one end of the connecting rod 811 near the connecting rod 812 is provided with a main through hole (not shown) through which the main stud 52 passes, and the main nut 51 abuts one side of the connecting rod 811 away from the base 3.

Referring to fig. 1 and 4, the sub stopper 9 includes a sub stud 91 fixed to one end of the connecting rod 812 near the toe rod 813 and a sub nut 92 screwed to the sub stud 91, the length direction of the sub stud 91 is perpendicular to the length direction of the connecting rod 812, one end of the toe rod 813 near the connecting rod 812 is provided with a sub through hole through which the sub stud 91 passes, and the sub nut 92 abuts one side of the toe rod 813 near the connecting rod 812.

Referring to fig. 1 and 4, a right-angle iron sheet 6 is fixed on the outer side wall of one end of the connecting rod 812 close to the tiptoe rod 813, the right-angle iron sheet 6 comprises a fixing plate 61 and a limiting plate 62, and the fixing plate 61 and the limiting plate 62 are perpendicular to each other. The fixing plate 61 is fixedly connected to the outer side wall of the connecting rod 812 far away from the connecting seat rod 811, when the connecting rod 812 rotates to be perpendicular to the sharp-foot rod 813, the outer wall of the sharp-foot rod 813 abuts against the limiting plate 62, the length direction of the fixing plate 61 is consistent with the length direction of the connecting rod 812, and the length direction of the limiting plate 62 extends along the length direction of the sharp-foot rod 813.

Referring to fig. 4, a limiting iron sheet 7 is fixed to one end of the toe rod 813 close to the connecting rod 812, and the length direction of the limiting iron sheet 7 extends along the opposite direction of the length direction of the toe rod 813. When the toe rod 813 rotates to the length direction consistent with the length direction of the connecting rod 812, the connecting rod 812 is abutted against the limiting iron sheet 7 near the outer side wall of the toe rod 813.

Referring to fig. 1, a tapered prong 8132 is fixedly connected to one end of the prong stem 813 away from the base 3, and a support sheet 8131 is fixedly connected to an outer side wall of the tapered prong 8132. The support sheet 8131 has a right-angled triangular plate shape, the hypotenuse of the support sheet 8131 extends in the longitudinal direction of the generatrix of the tapered toe 8132, and the right-angled long side of the support sheet 8131 extends in the longitudinal direction of the toe rod 813.

Referring to fig. 5, the three connecting rods 811 are identical in length, the three connecting rods 812 are identical in length, and the three toe rods 813 are identical in length. When the seat connecting rod 811 is rotated to abut against the top wall of the movable groove 32, the connecting rod 812 is rotated to be perpendicular to the seat connecting rod 811, and the GPS receiver 1 is adjusted such that the connecting post 11 is completely inserted into the connecting hole 21, the horizontal height of the end of the connecting rod 812 away from the seat connecting rod 811 is higher than that of the GPS receiver 1, and the length of the toe rod 813 is shorter than the sum of the length of the seat connecting rod 811 and the radius of the base 3.

The implementation principle of the embodiment is as follows:

when the GPS receiver 1 is used and needs to be stored, the bolt 22 is rotated firstly, the connecting column 11 of the GPS receiver 1 is in an active state, the connecting column 11 is completely inserted into the connecting hole 21, the GPS receiver 1 reaches the minimum height, and the bolt 22 is screwed down, so that the GPS receiver 1 is fixed on the base 2. Then rotate connecting rod 811, make connecting rod 811 extract from draw-in groove 321, make connecting rod 811 be close to the one end of base 2 and be in the active state, place spacing disc 312 on subaerial again, make spacing disc 312 keep away from one side and the ground butt of fixed column 311, rotate connecting rod 811 towards the direction rotation of keeping away from spacing disc 312 simultaneously, make connecting rod 811 be difficult to cause the influence to the butt on spacing disc 312 and ground, and then make portable GPS receiver can stably place on subaerial, make portable GPS receiver's follow-up operation of accomodating more simple and convenient.

Then, the main nut 51 is rotated to release the movement restriction of the main nut 51 to the connection rod 812, and the connection rod 812 is rotated to pull out the connection rod 812 from the open ring 43. The auxiliary nut 92 is loosened to enable the toe rod 813 to be in a movable state, then the toe rod 813 is rotated to enable the outer wall of the toe rod 813 to be in contact with the limiting plate 62, and then the auxiliary nut 92 is screwed down to enable the toe rod 813 to be in a state perpendicular to the connecting rod 812. Then put portable GPS receiver upside down, make spacing disc 312 keep away from ground and place portable GPS receiver's top, simultaneously, make connecting rod 811 be close to the one end of base 2 and the roof butt of activity groove 32, make connecting rod 811's length direction extend along the horizontal direction, thereby make connecting rod 812 respectively with connecting rod 811 and prong 813 all be in mutually perpendicular's state, screw up main nut 51 at last, make connecting rod 811 and connecting rod 812 stabilize and be in mutually perpendicular's state, simultaneously, make three prong 813 all be located same horizontal plane, make portable GPS receiver accessible three prong 813 and ground butt and stably place, simultaneously, spacing disc 312 can mention portable GPS receiver as the handle, thereby make GPS receiver 1 more conveniently carry, conveniently deposit and transport.

When the GPS receiver 1 needs to be used, the auxiliary nut 92 is rotated to enable the toe rod 813 to be in an active state, then the toe rod 813 is rotated to enable the connecting rod 812 to abut against the limiting iron sheet 7 close to the outer wall of one end of the toe rod 813, and then the auxiliary nut 92 is screwed to limit the movement of the toe rod 813. Then the main nut 51 is loosened to make the connecting rod 812 in the active state, the connecting rod 812 is rotated to make the connecting rod 812 be clamped into the split ring 43 through the split of the split ring 43 and abut against the flexible member 431, and the main nut 51 is tightened to limit the rotation of the connecting rod 812. Then, the connecting rod 811 is rotated, so that the connecting rod 811 is clamped into the clamping groove 3121 of the limiting disc 312, the outer wall of the connecting rod 811 abuts against the inner wall of the clamping groove 3121, and the rotation of the connecting rod 811 is limited. Then, one end of the toe rod 813, which is far away from the connecting rod 812, is inserted into the soil or placed on a flat ground capable of receiving signals, the tripod 8 is fixed on the ground, the bolt 22 is loosened to enable the connecting column 11 to be in a movable state, the connecting column 11 is pulled out upwards, the height of the GPS receiver 1 is adjusted according to actual conditions, the bolt 22 is screwed down to fix the GPS receiver 1, and the GPS receiver 1 can be used.

Through the cooperation of the bolt 22, the connecting column 11 and the connecting hole 21, the height of the GPS receiver 1 for receiving signals is more convenient to adjust, and the height of an operator can be conveniently adjusted according to actual conditions.

Through the setting that is fixed with flexible member 431 on opening ring 43, be favorable to increasing the frictional force of connecting rod 812 and opening ring 43 inner wall, be difficult to take place the displacement after making connecting rod 812 block into opening ring 43 more, thereby be favorable to improving the stability after connecting rod 812 fixes better, and then be favorable to improving the stability of tripod support 8 in GPS receiver 1 use better, be favorable to improving GPS receiver 1's measurement accuracy better, be favorable to reducing the connecting rod 812 and outer wall and the impact wear of opening ring 43's inner wall when the opening ring 43 is gone into to the card, be favorable to protecting connecting rod 812 better.

The arrangement of the rounded corners on the split ring 43 is beneficial to the connecting rod 812 being more smoothly clamped into the split ring 43, reducing the extrusion of the split ring 43 when the connecting rod 812 is clamped into the split ring 43, and reducing the mutual abrasion of the connecting rod 812 and the split ring 43.

Through the setting of mounting 4, be favorable to connecting rod 812 accurately to rotate the assigned position, let connecting rod 812 and even seat pole 811 ground length direction unanimous, be favorable to the accurate nature of tripod support 8 position fixing to be favorable to improving tripod support 8's stability.

Through the setting of right angle iron sheet 6 for tiptoe pole 813 can accurately reach the position of perpendicular to connecting rod 812 when accomodating, is favorable to connecting rod 812 and tiptoe pole 813 to carry out fixed operation under keeping mutually perpendicular's state, thereby makes three tiptoe poles 813 be in more easily on same horizontal plane, and then is favorable to better to improving the stability of portable GPS receiver when accomodating and placing.

Through the setting of spacing iron sheet 7, make on the sharp foot pole 813 can accurately turn to the position unanimous with connecting rod 812 length direction at portable GPS receiver needs during operation, be favorable to guaranteeing that bracing piece 81 three section is on same straight line, and then has strengthened tripod support 8's stability.

Through the arrangement of the limiting disc 312 and the clamping groove 3121, when the GPS receiver 1 is in a conversion state to a working state, only the connecting seat rod 811 needs to be directly clamped into the clamping groove 3121, the rotation angle of the connecting seat rod 811 does not need to be adjusted again, and the operation is simple and convenient; meanwhile, the included angles between the length directions of the three support rods 81 and the ground are always consistent, so that the horizontal adjustment of the base 3 is simpler and more convenient; in addition, when the portable GPS receiver is stored, the portable GPS receiver is reversely arranged, and the limiting disc 312 is the handle of the stored portable GPS receiver, so that an operator can conveniently carry and move the portable GPS receiver.

By the arrangement of the supporting sheet 8131, the portable GPS receiver does not need to be assisted by other objects when used on flat ground, and the stable installation and use of the portable GPS receiver are facilitated.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a portable GPS receiver, includes base (3), be fixed in base (2) on base (3), can dismantle GPS receiver (1) of being connected and locate tripod support (8) on base (3) with base (2), tripod support (8) include three and base (3) rotate bracing piece (81) of being connected, its characterized in that: one side of the base (3) far away from the base (2) is further provided with a secondary limiting piece (31) for limiting one end of the connecting rod (811) to rotate close to one end of the base (3), the supporting rod (81) comprises a connecting rod (811) rotatably connected with the base (3), a connecting rod (812) rotatably connected with one end of the connecting rod (811) far away from the base (3) and a sharp foot rod (813) rotatably connected with one end of the connecting rod (812) far away from the connecting rod (811), the three-foot bracket (8) further comprises a main limiting piece (5) for limiting the relative rotation of the connecting rod (811) and the connecting rod (812) and a secondary limiting piece (9) for limiting the relative rotation of the connecting rod (812) and the sharp foot rod (813), the three connecting rods (811) are the same in length, the three connecting rods (812) are the same in length, the three sharp foot rods (813) are the same in length, and when the connecting rod (811) rotates to the length direction and extends along the horizontal, and when the connecting rod (812) rotates to be perpendicular to the connecting seat rod (811), the top end of the connecting rod (812) is higher than that of the GPS receiver (1).

2. The portable GPS receiver of claim 1, wherein: one end of the connecting seat rod (811) far away from the base (3) is fixed with a connecting plate (42), and when the connecting seat rod (811) rotates to the length direction of the connecting seat rod and is consistent with the length direction of the connecting rod (812), one end of the connecting rod (812) close to the connecting seat rod (811) is abutted to the connecting plate (42).

3. The portable GPS receiver of claim 2, wherein: one side that even seat pole (811) was kept away from in connecting plate (42) still fixedly connected with supplies connecting rod (812) male opening ring (43), opening ring (43) and connecting rod (812) interference fit, the opening of opening ring (43) is just right with connecting plate (42), works as when connecting rod (812) insert opening ring (43), the length direction of connecting rod (812) is unanimous with even seat pole (811) length direction.

4. The portable GPS receiver of claim 3, wherein: the opening of the opening circular ring (43) is rounded.

5. The portable GPS receiver of claim 3, wherein: the inner wall of the opening circular ring (43) is provided with a flexible piece (431).

6. The portable GPS receiver of claim 3, wherein: the utility model discloses a three-dimensional support of a chair, including base (3), link pole (811), lateral wall and the roof butt in activity groove (32) that base (3) are gone up to correspond to open and to be had the activity groove (32) that supply three spinal branch vaulting pole (81) to move about, work as link pole (811) rotate to its length direction when extending along the horizontal direction, link pole (811) are close to base (3) one end.

7. The portable GPS receiver of claim 1, wherein: secondary limiting piece (31) is including being fixed in fixed column (311) of base (3) one side of keeping away from base (2) and being fixed in fixed column (311) and keeping away from spacing disc (312) of base (3) one end, establish on spacing disc (312) and offer confession seat pole (811) male draw-in groove (3121) corresponding three spinal branch vaulting poles (81), seat pole (811) and draw-in groove (3121) interference fit.

8. The portable GPS receiver of claim 1, wherein: one end fixedly connected with right angle iron sheet (6) that connecting rod (812) are close to tiptoe pole (813), fixed plate (61) and limiting plate (62) on right angle iron sheet (6) are fixed in connecting rod (812), work as when connecting rod (812) rotate to the length direction mutually perpendicular of its length direction and tiptoe pole (813), limiting plate (62) are close to the one end butt of connecting rod (812) with tiptoe pole (813).

9. The portable GPS receiver of claim 1, wherein: the height of the GPS receiver (1) is adjustable.

10. The portable GPS receiver of claim 1, wherein: one end of the toe rod (813), which is far away from the connecting rod (812), is in a conical shape, and one end of the toe rod (813), which is far away from the connecting rod (812), is also integrally connected with a supporting sheet (8131).

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