CN212840486U

CN212840486U - Triangular support frame

Info

Publication number: CN212840486U
Application number: CN202021527072.9U
Authority: CN
Inventors: 段建民; 路振华
Original assignee: Tianjin Measuring Instrument Co ltd
Current assignee: Tianjin Measuring Instrument Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-30
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a triangular supports frame, include: the clamping head and three support legs with the same structure; the supporting legs comprise connecting pieces, movable legs, bolt rod assemblies, outer legs and sharp corners, each bolt rod assembly comprises an extrusion head, a spring, a rod body and an eccentric wheel, one end of each connecting piece is connected with the top end of each movable leg, a locking sleeve is arranged in the middle of each movable leg, each extrusion head is arranged at the top end of each rod body through the corresponding spring, each rod body is arranged in each movable leg, each eccentric wheel is arranged below each rod body, when the extrusion heads press the corresponding springs to enable the corresponding movable legs to be in a compression state, the rod bodies are inserted into the corresponding eccentric wheels, and the top ends of the outer; the clamping head comprises an O-shaped structure body, and a first connecting lug, a second connecting lug and a third connecting lug are uniformly arranged on the peripheral surface of the O-shaped structure body; each support leg is connected with the first connecting lug, the second connecting lug and the third connecting lug through connecting pieces respectively. The utility model relates to a science, compactness can liberate the manpower and firmly support the centering rod, convenient operation, convenient.

Description

Triangular support frame

Technical Field

The utility model relates to a surveying instrument technical field especially indicates a triangular supports frame.

Background

In the geographical mapping, the GPS receiver fixes the centering rod by measuring. In traditional survey and drawing, need the staff to hold the centering rod tightly, it is not only hard to hold for a long time, still can influence the degree of accuracy of centering rod position. In order to relieve manpower and ensure that the centering rod is always in a good vertical state, a structure for supporting the centering rod is urgently needed to relieve manpower and improve surveying and mapping accuracy.

SUMMERY OF THE UTILITY MODEL

For solving the deficiencies of the prior art, the utility model provides a triangular support frame.

The technical scheme of the utility model is realized like this:

a tripod stand comprising: the clamping head and three support legs with the same structure;

the supporting legs comprise connecting pieces, movable legs, bolt rod assemblies, outer legs and sharp corners, each bolt rod assembly comprises an extrusion head, a spring, a rod body and an eccentric wheel, one end of each connecting piece is connected with the top end of each movable leg, a locking sleeve is arranged in the middle of each movable leg, each extrusion head is arranged at the top end of each rod body through the corresponding spring, each rod body is arranged in each movable leg, each eccentric wheel is arranged below each rod body, when the extrusion heads press the corresponding springs to enable the corresponding movable legs to be in a compression state, the rod bodies are inserted into the corresponding eccentric wheels, and the top ends of the outer;

the clamping head comprises an O-shaped structure body, a first connecting lug, a second connecting lug and a third connecting lug are uniformly arranged on the outer peripheral surface of the O-shaped structure body, a containing groove is formed in the inner side surface of the O-shaped structure, a top block is arranged in the containing groove, the top block is fixed at one end of a threaded rod, the other end of the threaded rod penetrates through the containing groove and extends out of the O-shaped structure to be connected with a knob, and the knob is located between the first connecting lug and the second connecting lug;

each support leg is rotatably connected with the first connecting lug, the second connecting lug and the third connecting lug through connecting pieces respectively.

Preferably, a supporting plate is further arranged between the outer leg and the sharp corner, and the upper surface of the supporting plate is provided with a bulge for increasing friction force.

Further preferably, the upper end of the movable leg is provided with a rubber sleeve.

More preferably, a rubber pad is arranged on the top block.

Most preferably, the O-shaped structure body, the first connecting lug, the second connecting lug and the third connecting lug are of an integrally formed structure.

The utility model relates to a science, compactness can liberate the manpower and firmly support the centering rod, convenient operation, convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present application (split);

FIG. 2 is a schematic structural view of the support foot of FIG. 1;

fig. 3 is a schematic structural diagram (combination) of the present application.

In the figure: 1. clamping a head; 11. a first connecting lug; 12. a second engaging lug; 13. a third engaging lug; 14. a containing groove; 2. a top block; 3. a knob; 4. a threaded rod; 5. a support leg; 51. a connecting member; 52. a movable leg; 521. A rubber sleeve; 53. a latch rod assembly; 531. a pressing head; 532. a spring; 533. an eccentric wheel; 54. an outer leg; 55. a support disc; 56. and (4) sharp corners.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 3: a tripod stand comprising: the clamping head 1 and three supporting legs 5 with the same structure;

as shown in fig. 2: the supporting leg 5 comprises a connecting piece 51, a movable leg 52, a latch rod assembly 53, an outer leg 54 and a sharp corner 56, the latch rod assembly 53 comprises an extrusion head 531, a spring 532, a rod body and an eccentric wheel 533, one end of the connecting piece 51 is connected with the top end of the movable leg 52, a locking sleeve is arranged in the middle of the movable leg 52, the extrusion head 531 is arranged at the top end of the rod body through the spring 532, the rod body is arranged in the movable leg 52, the eccentric wheel 533 is arranged below the rod body, when the extrusion head 531 presses the spring 532 to enable the extrusion head to be in a compression state, the rod body is inserted into the eccentric wheel 533, and the top end of the outer leg 54; the clamping head 1 comprises an O-shaped structure body, a first connecting lug 11, a second connecting lug 12 and a third connecting lug 13 are uniformly arranged on the outer peripheral surface of the O-shaped structure body, an accommodating groove 14 is formed in the inner side surface of the O-shaped structure, a top block 2 is arranged in the accommodating groove 14, the top block 2 is fixed at one end of a threaded rod 4, the other end of the threaded rod 4 penetrates through the accommodating groove 14, extends out of the O-shaped structure and then is connected with a knob 3, and the knob 3 is located between the first connecting lug 11 and the second connecting lug 12; outside the centering rod was located to O type structure body cover, it makes kicking block 2 top tight centering rod surface to twist knob 3, each stabilizer blade 5 respectively through connecting piece 51 and first engaging lug 11, second engaging lug 12 and third engaging lug 13 rotatable coupling, when needing the adjustment, activity leg 52 upper end is held to both hands, the position of the extrusion head 531 adjusting rod body is pressed to two thumbs reaches the purpose of adjusting the position of two stabilizer blades then, it can to loosen the thumb after adjusting.

A support plate 55 is also provided between the outer leg 54 and the cusp 56, and the upper surface of the support plate 55 is provided with a protrusion for increasing friction. The upper surface of the support plate 55 is provided with a protrusion for increasing friction. When the utility model is used for when soft survey and drawing place, can insert the closed angle 56 into the ground and fix through supporting disk 55 exerting oneself downwards.

In order to facilitate the two hands to hold and press the squeezing head 131 to adjust the position of the two legs, the upper end of the movable leg 52 is provided with a rubber sleeve 521. The rubber pad is arranged on the top block 2, so that the top block 2 can be safely and closely attached to the surface of the centering rod A without damage. In order to improve the stability of connection and facilitate processing, the O-shaped structure body, the first connecting lug 11, the second connecting lug 12 and the third connecting lug 13 are integrally formed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A kind of triangular support frame, characterized by: the method comprises the following steps: the clamping head (1) and three supporting legs (5) with the same structure;

the support leg (5) comprises a connecting piece (51), a movable leg (52), a bolt rod assembly (53), an outer leg (54) and a sharp corner (56), the bolt rod assembly (53) comprises an extrusion head (531), a spring (532), a rod body and an eccentric wheel (533), one end of the connecting piece (51) is connected with the top end of the movable leg (52), a locking sleeve is arranged in the middle of the movable leg (52), the extrusion head (531) is arranged at the top end of the rod body through the spring (532), the rod body is arranged in the movable leg (52), the eccentric wheel (533) is arranged below the rod body, when the extrusion head (531) presses the spring (532) to enable the extrusion head to be in a compression state, the rod body is inserted into the eccentric wheel (533), and the top end of the outer leg (54) is in threaded connection with the movable leg (52;

the clamping head (1) comprises an O-shaped structure body, a first connecting lug (11), a second connecting lug (12) and a third connecting lug (13) are uniformly arranged on the outer peripheral surface of the O-shaped structure body, an accommodating groove (14) is formed in the inner side surface of the O-shaped structure, a top block (2) is arranged in the accommodating groove (14), the top block (2) is fixed at one end of a threaded rod (4), the other end of the threaded rod (4) penetrates through the accommodating groove (14) and extends out of the O-shaped structure to be connected with a knob (3), and the knob (3) is located between the first connecting lug (11) and the second connecting lug (12);

each support leg (5) is rotatably connected with the first connecting lug (11), the second connecting lug (12) and the third connecting lug (13) through connecting pieces (51).

2. The tripod of claim 1 wherein: a supporting plate (55) is arranged between the outer leg (54) and the sharp corner (56), and the upper surface of the supporting plate (55) is provided with a bulge for increasing friction force.

3. The tripod of claim 1 wherein: the upper end of the movable leg (52) is provided with a rubber sleeve (521).

4. The tripod according to any one of claims 1 to 3 wherein: the top block (2) is provided with a rubber pad.

5. The tripod of claim 4 wherein: the O-shaped structure body, the first connecting lug (11), the second connecting lug (12) and the third connecting lug (13) are of an integrally formed structure.