Level gauge supporting frame

Abstract

The utility model relates to the technical field of level gauges, and particularly discloses a level gauge support frame which comprises a fixed seat and three groups of support rods rotationally connected to the bottom of the fixed seat, the supporting rod is slidably connected with an adjusting rod, one end, away from the supporting rod, of the adjusting rod is connected with a supporting piece, an adjusting cavity for the adjusting rod to slide is formed in the supporting rod, a screw cylinder is fixedly connected in the supporting rod, a butt joint cavity for the screw cylinder to slide is formed in the adjusting rod, the adjusting rod is rotatably connected with a lead screw, and the outer wall of the lead screw is in threaded fit with the inner wall of the screw cylinder. The adjusting rod can be adjusted in the supporting rod in a sliding mode, the screw rod is rotated through the rotary knob, the position of the screw rod is moved in the screw cylinder, the adjusting rod can be stably adjusted in the supporting rod, and the adjusted length is stabilized; the movable ring can be adjusted on the center rod in a sliding mode, so that the angle between the fixing base and the supporting rod is adjusted through the connecting rod piece, the position of the movable ring can be fixed through the positioning piece, and the fixing base is stably fixed after angle adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to level technology field, specifically a level support frame. BACKGROUND

[0002] The level is the precision instrument for determining the height difference between two points in the measurement engineering. When using the level to measure, first need to set up the level on the support frame and use.

[0003] The existing patent announcement no. CN220506406U discloses a height adjustable level support frame, including height adjusting mechanism, contraction adjusting frame, telescopic rod and ground support mechanism, contraction adjusting frame is arranged at the bottom of height adjusting mechanism, telescopic rod is arranged at the bottom of contraction adjusting frame, ground support mechanism is arranged at the bottom of telescopic rod, uses the rotating block to drive the first gear to rotate, the first gear drives the second gear to rotate, then the second gear drives the telescopic rod to move in the shell, thereby adjusting the height of telescopic rod, the height of device can be fine tuned.

[0004] In the above support frame, the supporting leg can be length adjusted, but the telescopic rod is easy to drive the gear to rotate under pressure in the adjustment, the stability after length adjustment is affected, and the opening stability still needs to be improved. In view of the above problems, a level support frame is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a level support frame to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] A level support frame, comprising a fixed seat and three groups of supporting rods rotatably connected to the bottom of the fixed seat;

[0008] The supporting rod is slidably connected to the adjusting rod, the adjusting rod is connected to the supporting member at the end away from the supporting rod, the adjusting cavity for the sliding of the adjusting rod is arranged in the supporting rod, the screw cylinder is fixedly connected in the supporting rod, the butt joint cavity for the sliding of the screw cylinder is arranged in the adjusting rod, the lead screw is rotatably connected to the adjusting rod, the outer wall of the lead screw is threadedly matched with the inner wall of the screw cylinder, and the lead screw extends out of the adjusting rod to connect the knob at the end away from the supporting rod.

[0009] The center rod is fixedly connected to the bottom of the fixed seat, the moving ring is slidably connected to the center rod, the moving ring is connected to the supporting rod through the connecting rod, and the positioning member for fixing the up-down sliding position of the moving ring is installed on the center rod.

[0010] In an alternative scheme, the supporting member comprises a fixed plate connected to one side of the bottom end of the adjusting rod through a bolt, and the fixed plate is fixedly connected to the plug plate at the bottom.

[0011] In an optional solution, the rod part at the joint of the knob and the lead screw is in rotational connection with the adjusting rod.

[0012] In an optional solution, the positioning member comprises a positioning screw and a lifting column in rotational connection with the end of the positioning screw, the positioning screw is in threaded connection with the bottom of the center rod, the center rod is internally provided with a lifting groove for the lifting column to slide up and down, the sidewall of the lifting column is connected with two groups of joint plates, the joint plates are fixedly connected with the inner wall of the moving ring on the side away from the lifting column, the center rod is provided with a guide groove for the joint plates to slide, and the guide groove is in communication with the lifting groove.

[0013] In an optional solution, the connecting rod member comprises a connecting rod, the outer side of the moving ring is fixedly connected with a first hinged seat, the side of the supporting rod is fixedly connected with a second hinged seat, one end of the connecting rod is hinged to the first hinged seat, and the other end of the connecting rod is hinged to the second hinged seat.

[0014] In an optional solution, the bottom of the fixed plate is provided with a bent plate, the bent plate is internally provided with a clamping groove in clamping connection with the inserted plate, and the outer side of the bent plate is connected with an anti-skid pad.

[0015] In an optional solution, the three groups of supporting rods are arranged in a circumferential array, and the number of the connecting rods corresponds to the supporting rods.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] In the utility model, the adjusting rod can slide and adjust in the supporting rod, the knob is used for rotating the lead screw, the lead screw moves in the screw cylinder to adjust the position, the adjusting rod can be stably adjusted in the supporting rod, and the length after stable adjustment is stable;

[0018] In the utility model, the moving ring can slide and adjust on the center rod, so that the angle between the fixing seat and the supporting rod is adjusted through the connecting rod member, and the position of the moving ring is fixed through the positioning member, so that the angle of the fixing seat after adjustment is stably fixed.

[0019] In the utility model, the supporting member can contact the ground, so that the supporting frame is stably placed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model.

[0021] Figure 2 It is a connection structural schematic view of the center rod and the moving ring in the utility model.

[0022] Figure 3 It is a structural schematic view of the connecting component on the moving ring in the utility model.

[0023] Figure 4It is the structure schematic view of the support piece in the utility model.

[0024] Figure 5 It is the structure schematic view of the adjusting rod in the utility model.

[0025] Figure 6 It is the structure schematic view of the support rod in the utility model.

[0026] Figure 7 It is the structure schematic view of the local section in the utility model.

[0027] In the drawing: 11, fixed seat; 12, support rod; 13, adjusting rod; 14, center rod; 15, positioning screw; 16, moving ring; 17, first hinged seat; 18, connecting rod; 19, guide groove; 20, link plate; 21, lifting column; 22, fixed plate; 23, plugboard; 24, bent plate; 25, butt joint cavity; 26, screw rod; 27, adjusting cavity; 28, screw cylinder; 29, second hinged seat. DETAILED DESCRIPTION

[0028] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be broad sense, for example, can be fixed connection, can be detachable connection, or integrated; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction of two elements, unless another explicit limitation. For ordinary skilled in the art, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances.

[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0030] Please refer to Figures 1-7 In the embodiment, a level support frame includes fixed seat 11 and three groups of support rods 12 rotatably connected at the bottom of fixed seat 11.

[0031] The support rod 12 is slidingly connected with an adjusting rod 13, one end of the adjusting rod 13 is connected with a support away from the support rod 12, the support rod 12 is provided with an adjusting cavity 27 for sliding of the adjusting rod 13, the support rod 12 is fixedly connected with a screw cylinder 28, the adjusting rod 13 is provided with a butt joint cavity 25 for sliding of the screw cylinder 28, the adjusting rod 13 is rotatably connected with a lead screw 26, the outer wall of the lead screw 26 is threadedly connected with the inner wall of the screw cylinder 28, one end of the lead screw 26 away from the support rod 12 extends out of the adjusting rod 13 and is connected with a knob;

[0032] The bottom of the fixed seat 11 is fixedly connected with a center rod 14, the center rod 14 is slidingly connected with a moving ring 16, the moving ring 16 is connected with the support rod 12 through a connecting rod, the center rod 14 is provided with a positioning member for fixing the up-down sliding position of the moving ring 16;

[0033] In the embodiment, the knob is rotated, the lead screw 26 is rotated in the screw cylinder 28 to adjust the position, thereby driving the adjusting rod 13 to slide in the adjusting cavity 27, at the same time, the screw cylinder 28 slides in the butt joint cavity 25, the adjusting rod 13 adjusts the position on the support rod 12, thereby adjusting the overall height of the support frame, the moving ring 16 slides on the center rod 14, the angle between the support rod 12 and the fixed seat 11 can be adjusted through the connecting rod.

[0034] In another embodiment, the support includes a fixed plate 22 connected with the adjusting rod 13 through a bolt on one side of the bottom end of the adjusting rod 13, the bottom of the fixed plate 22 is fixedly connected with a plug plate 23, the plug plate 23 can contact the ground.

[0035] In another embodiment, the rod part of the knob and the lead screw 26 is rotatably connected with the adjusting rod 13, the knob is rotated to drive the lead screw 26 to rotate, the axial position of the lead screw 26 and the knob on the adjusting rod 13 is unchanged, after the lead screw 26 adjusts the position in the screw cylinder 28, the adjusting rod 13 can be adjusted.

[0036] In another embodiment, the positioning member includes a positioning screw 15 and a lifting column 21 rotatably connected with the end of the positioning screw 15, the positioning screw 15 is threadedly connected with the bottom of the center rod 14, the center rod 14 is provided with a lifting groove for up-down sliding of the lifting column 21, the side wall of the lifting column 21 is connected with two groups of link plates 20, one side of the link plate 20 away from the lifting column 21 is fixedly connected with the inner wall of the moving ring 16, the center rod 14 is provided with a guide groove 19 for sliding of the link plate 20, the guide groove 19 is communicated with the lifting groove;

[0037] The positioning screw 15 is adjusted to rotate, thereby adjusting the height of the lifting column 21, the lifting column 21 drives the moving ring 16 to move, thereby adjusting the height of the moving ring 16, after the height of the moving ring 16 is adjusted to the target height, the rotation of the positioning screw 15 is stopped.

[0038] In another embodiment, the connecting rod comprises a connecting rod 18, the first hinge seat 17 is fixedly connected outside the moving ring 16, the second hinge seat 29 is fixedly connected on one side of the support rod 12, one end of the connecting rod 18 is hingedly connected with the first hinge seat 17, and the other end of the connecting rod 18 is hingedly connected with the second hinge seat 29; when the height of the moving ring 16 is adjusted, the angle of the support rod 12 can be adjusted through the driving of the connecting rod 18.

[0039] In another embodiment, the bottom of the fixed plate 22 is provided with a bent plate 24, the bent plate 24 is provided with a clamping groove matched with the plug plate 23, and the outer side of the bent plate 24 is connected with an anti-skid pad; the bent plate 24 is sleeved on the plug plate 23, so that the sharp end of the plug plate 23 can be prevented from causing damage to objects or persons during the movement of the support frame; in actual use, the bent plate 24 can also be placed in contact with the ground.

[0040] As shown in the drawings, Figure 1 In another embodiment, three groups of the support rods 12 are arranged in a circumferential array, and the number of the connecting rods 18 corresponds to the support rods 12; the cooperation of the three groups of the support rods 12, the adjusting rods 13 and other components can stably place the support frame, and facilitate the stable support of the level after installation.

[0041] In use, the knob is rotated, the screw rod 26 is rotated in the screw barrel 28 to adjust the position, thereby driving the adjusting rod 13 to slide in the adjusting cavity 27, at the same time, the screw barrel 28 slides in the butt joint cavity 25, the adjusting rod 13 adjusts the position on the support rod 12, thereby adjusting the overall height of the support frame, the plug plate 23 can contact the ground, the positioning screw rod 15 is rotated, thereby adjusting the height of the lifting column 21, the lifting column 21 can drive the moving ring 16 to move, thereby adjusting the height of the moving ring 16, after adjusting to the target height, the rotation of the positioning screw rod 15 can be stopped, when the height of the moving ring 16 is adjusted, the angle of the support rod 12 can be adjusted through the driving of the connecting rod 18.

[0042] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms, and any skilled person in the art can modify or change the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the utility model to the above embodiments still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A level support frame, comprising a fixed seat (11) and three groups of support rods (12) rotatably connected to the bottom of the fixed seat (11); characterized in that The support rod (12) is slidably connected to an adjusting rod (13), one end of the adjusting rod (13) away from the support rod (12) is connected to a support, the support rod (12) is provided with an adjusting cavity (27) for sliding of the adjusting rod (13), the support rod (12) is fixedly connected to a screw cylinder (28) inside, the adjusting rod (13) is provided with a butt joint cavity (25) for sliding of the screw cylinder (28), a lead screw (26) is rotatably connected to the adjusting rod (13), the outer wall of the lead screw (26) is threadedly connected to the inner wall of the screw cylinder (28), and one end of the lead screw (26) away from the support rod (12) extends out of the adjusting rod (13) and is connected to a knob. The bottom of the fixed seat (11) is fixedly connected to a center rod (14), the center rod (14) is slidably connected to a moving ring (16), the moving ring (16) is connected to the support rod (12) through a connecting rod, and the center rod (14) is provided with a positioning member for fixing the up-down sliding position of the moving ring (16).

2. A surveying instrument support according to claim 1, wherein: The support comprises a fixed plate (22) connected to one side of the bottom end of the adjusting rod (13) through a bolt, and the bottom of the fixed plate (22) is fixedly connected to an insertion plate (23).

3. A surveying instrument support according to claim 1, wherein: The rod part of the knob at the joint part with the lead screw (26) is rotatably connected to the adjusting rod (13).

4. The level support of claim 1 wherein: The positioning member comprises a positioning screw (15) and a lifting column (21) rotatably connected to the end of the positioning screw (15), the positioning screw (15) is threadedly connected to the bottom of the center rod (14), the center rod (14) is provided with a lifting groove for up-down sliding of the lifting column (21), the side wall of the lifting column (21) is connected to two groups of joint plates (20), one side of the joint plate (20) away from the lifting column (21) is fixedly connected to the inner wall of the moving ring (16), the center rod (14) is provided with a guide groove (19) for sliding of the joint plate (20), and the guide groove (19) is communicated with the lifting groove.

5. The level support of claim 1 wherein: The connecting rod comprises a connecting rod (18), a first hinged seat (17) is fixedly connected to the outer side of the moving ring (16), a second hinged seat (29) is fixedly connected to one side of the support rod (12), one end of the connecting rod (18) is hinged to the first hinged seat (17), and the other end of the connecting rod (18) is hinged to the second hinged seat (29).

6. A surveying instrument support according to claim 2, wherein: The bottom of the fixed plate (22) is provided with a bent plate (24), the bent plate (24) is provided with a clamping groove for clamping the insertion plate (23), and the outer side of the bent plate (24) is connected to a non-slip pad.

7. A surveying instrument support according to claim 5, wherein: The three groups of support rods (12) are arranged in a circumferential array, and the number of the connecting rods (18) corresponds to that of the support rods (12).

Images