Liftable leveling ruler used at night

Abstract

A lifting mechanism further comprises a lifting frame, the upper end of the inner wall of the lifting frame is rotationally connected with a rotating piece, the bottom of the rotating piece and the measuring scale are fixedly installed, and moving grooves are formed in the two sides of the outer wall of the lifting frame. The length direction of the moving grooves is consistent with the length direction of the measuring ruler and the lifting frame, the inner wall of the moving groove on each side is slidably connected with a moving block, the upper end and the lower end of the inner wall of the moving block on each side are slidably connected with movable rods, and one end of each movable rod penetrates out of the corresponding moving block and is rotatably connected with an illuminating lamp panel. The illuminating lamp panel is located in front of the measuring ruler and connected with the measuring ruler through the rotating piece in the lifting frame, the angle of the measuring ruler can be adjusted by rotating the rotating piece, then the shifting rod is pushed to drive the eccentric clamping block to press the rotating piece downwards, the gasket tightly abuts against the rotating piece, the angle of the measuring ruler can be fixed, the measuring accuracy is improved, and operation and use are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering measurement, in particular to a pullable night-time level measuring ruler. Background Art

[0002] A level ruler is a tool used to measure the height difference of a horizontal plane. It usually consists of a long straight ruler or horizontal rod with scales engraved on it, which can determine the height difference of the measuring point relative to the reference plane. Level rulers are widely used in fields such as construction engineering, civil engineering and geographical surveying.

[0003] The scale of the level ruler in the prior art is difficult to see clearly in a night environment, and artificial lighting is troublesome, and the reflection may affect the reading due to the lighting angle. In addition, when the level ruler is installed on a tilted surface, the vertical placement of the level ruler is difficult to adjust and maintain. Therefore, a pull-up night-time level ruler is proposed to solve the above problems. Utility Model Content

[0004] The technical problems to be solved by the utility model are as follows: the scale of the level ruler is difficult to see clearly in a night environment, artificial lighting is troublesome, and the reflection may affect the reading due to the lighting angle. In addition, when the level ruler is installed on a tilted surface, the vertical placement of the level ruler is difficult to adjust and maintain.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A pullable night-time level measuring ruler comprises a lifting mechanism, a fixing mechanism is arranged below the lifting mechanism, and the lifting mechanism comprises a measuring ruler;

[0007] Also includes:

[0008] Wherein, the lifting mechanism further comprises a lifting frame, the upper end of the inner wall of the lifting frame is rotatably connected with a rotating member, and the bottom of the rotating member is fixedly mounted with a measuring ruler;

[0009] Wherein, both sides of the outer wall of the lifting frame are provided with moving grooves, the length direction of the moving grooves is consistent with the length direction of the measuring ruler and the lifting frame, the inner wall of each side of the moving groove is slidably connected with a moving block, and a damper is provided between the outer wall of the moving block and the inner side of the moving groove;

[0010] Wherein, the upper and lower ends of the inner wall of the moving block on each side are slidably connected with a movable rod, one end of the movable rod passes through the moving block and is rotatably connected with a lighting board, and the lighting board is located in front of the measuring ruler.

[0011] As a further solution of the utility model: an eccentric block is rotatably connected to the inner side of the top of the lifting frame, a lever is fixedly connected to the top of the eccentric block, the top of the lever passes through the lifting frame upward, a gasket is fixedly connected to the bottom surface of the eccentric block, and the bottom of the gasket is in movably contact with the rotating part.

[0012] As a further solution of the utility model: a threaded sleeve is fixedly installed on one side of the lower end of the lifting frame, a limiting sleeve is fixedly connected to the surface of the lifting frame and the side wall away from the threaded sleeve, and a pin is slidably connected to the lower end of the back side of the lifting frame.

[0013] As a further solution of the utility model: the fixing mechanism also includes a support plate, the upper end of the outer wall of the support plate is slidably connected to the inner wall of the lifting frame, the side wall of the support plate is fixedly installed with a limiting rod at one end located below the lifting frame, and the outer wall of the limiting rod is slidably sleeved on the inner side of the limiting sleeve.

[0014] As a further solution of the utility model: the side wall of the support plate and one end located close to the threaded sleeve is rotatably connected with a threaded rod, the outer wall of the threaded rod is threadedly sleeved with the inner side of the threaded sleeve, and the bottom of the threaded rod passes through the support plate and is fixedly connected with a knob.

[0015] As a further solution of the utility model: the bottom of the support plate is rotatably connected to a support foot, a plurality of threaded holes are provided on the surface of the support foot and on a side away from the lifting frame, and the inner walls of the plurality of threaded holes are threadedly connected to pins.

[0016] As a further solution of the utility model: a slot is provided on the upper surface of the support plate and below the latch, and the inner wall of the slot is snap-connected with the bottom end of the latch.

[0017] Beneficial effects of the utility model:

[0018] (1) The utility model connects the measuring ruler via a rotating member in the lifting frame, and the angle of the measuring ruler can be adjusted by rotating the rotating member. Then, the lever is pushed to drive the eccentric clamping block to press the rotating member downward, and the gasket is tightly pressed against the rotating member to fix the angle of the measuring ruler, thereby improving the accuracy of measurement and facilitating operation and use;

[0019] (2) A movable block that can be raised and lowered is arranged in the movable groove on the side of the lifting frame. The movable rod in the movable block can be extended and retracted to adjust the distance between the lighting panel and the measuring ruler at the end. In addition, the lighting panel can be rotated inside the movable rod to adjust the lighting angle and improve the effect of illuminating the measuring ruler at night. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structural test of the utility model;

[0023] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure of region A;

[0024] Figure 4 yes Figure 2 Schematic diagram of the enlarged structure of region B;

[0025] Figure 5 It is a schematic diagram of the top view structure of the support foot in the utility model.

[0026] In the figure: 1. lifting mechanism; 101. lifting frame; 102. lever; 103. eccentric block; 104. gasket; 105. rotating part; 106. measuring ruler; 107. threaded sleeve; 108. limiting sleeve; 109. moving groove; 110. moving block; 111. movable rod; 112. lighting panel; 113. latch; 2. fixing mechanism; 201. supporting plate; 202. threaded rod; 203. knob; 204. limiting rod; 205. supporting foot; 206. threaded hole; 207. slot; 208. pin. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-5 As shown, a pullable night level measuring ruler comprises a lifting mechanism 1, a fixing mechanism 2 is arranged below the lifting mechanism 1, and the lifting mechanism 1 comprises a measuring ruler 106; and further comprises: wherein the lifting mechanism 1 also comprises a lifting frame 101, and the upper end of the inner wall of the lifting frame 101 is rotatably connected with a rotating member 105, and the bottom of the rotating member 105 is fixedly installed with the measuring ruler 106; wherein both sides of the outer wall of the lifting frame 101 are provided with moving grooves 109, and the length direction of the moving grooves 109 is consistent with the length direction of the measuring ruler 106 and the lifting frame 101, and the inner wall of the moving groove 109 on each side is slidably connected with a moving block 110, and a damping is arranged between the outer wall of the moving block 110 and the inner side of the moving groove 109; wherein the upper end and the lower end of the inner wall of the moving block 110 on each side are slidably connected with a movable rod 111, and one end of the movable rod 111 passes through the moving block 110 and is rotatably connected with a lighting panel 112, and the lighting panel 112 is located in front of the measuring ruler 106, as shown in FIG. Figure 2 As shown, the damping between the moving block 110 and the moving slot 109 supports and fixes the moving block 110 after its movement;

[0029] The top inner side of the lifting frame 101 is rotatably connected with an eccentric block 103, the top of the eccentric block 103 is fixedly connected with a lever 102, the top of the lever 102 passes through the lifting frame 101 upward, the bottom of the eccentric block 103 is fixedly connected with a gasket 104, and the bottom of the gasket 104 is in active contact with the rotating member 105. Figure 3 As shown, the gasket 104 is made of rubber material to increase the friction between the rotating member 105 and the eccentric block 103;

[0030] A threaded sleeve 107 is fixedly installed on one side of the lower end of the lifting frame 101, a limited sleeve 108 is fixedly connected to the surface of the lifting frame 101 and the side wall located away from the threaded sleeve 107, and a latch 113 is slidably connected to the lower end of the back of the lifting frame 101;

[0031] The fixing mechanism 2 also includes a support plate 201, the upper end of the outer wall of the support plate 201 is slidably connected to the inner wall of the lifting frame 101, the side wall of the support plate 201 and one end located below the lifting frame 101 is fixedly installed with a limit rod 204, the outer wall of the limit rod 204 is slidably sleeved on the inner side of the limit sleeve 108, the side wall of the support plate 201 and one end located near the threaded sleeve 107 is rotatably connected with a threaded rod 202, the outer wall of the threaded rod 202 is threadedly sleeved on the inner side of the threaded sleeve 107, and the bottom of the threaded rod 202 passes through the support plate 201 and is fixedly connected with a knob 203, such as Figure 1-Figure 2 As shown, when the threaded rod 202 rotates, the surface threads push the inner side of the threaded sleeve 107 to move;

[0032] The bottom of the support plate 201 is rotatably connected with a support foot 205, and a plurality of threaded holes 206 are provided on the surface of the support foot 205 and on the side away from the lifting frame 101. The inner walls of the plurality of threaded holes 206 are threadedly connected with pins 208. A slot 207 is provided on the upper surface of the support plate 201 and below the latch 113. The inner wall of the slot 207 is engaged with the bottom end of the latch 113. Figure 4 As shown, the lower end of the latch 113 is inserted into the slot 207 so that the angle between the support foot 205 and the support plate 201 is fixed.

[0033] The working principle of this utility model:

[0034] When the device is in use, the device is moved to the observation point as a whole, and then the support leg 205 is turned and unfolded, so that the support leg 205 and the support plate 201 remain vertical. At this time, the lower end of the latch 113 is just aligned with the slot 207, and the latch 113 is pushed down to enter the slot 207. The angle between the support leg 205 and the support plate 201 is fixed, and then the pin 208 is screwed into the box threaded hole 206, and the bottom end of the pin 208 is screwed into the ground to improve the stability of the support leg 205 grounding;

[0035] Secondly, the knob 203 is turned to drive the threaded rod 202 to rotate, and the thread on the surface of the threaded rod 202 drives the threaded sleeve 107 to drive the lifting frame 101 to rise along the support plate 201 to adjust the height of the measuring ruler 106. In addition, the angle of the measuring ruler 106 below can be adjusted by pushing the rotating member 105 to rotate. When fixed, the lever 102 is pushed to drive the gasket 104 at the bottom of the eccentric block 103 to press against the rotating member 105.

[0036] When lighting at night, the moving block 110 is pushed to rise and fall in the moving slot 109, and the moving block 110 is pushed and pulled to change the distance between the lighting board 112 and the measuring ruler 106. The lighting direction can be adjusted by rotating the lighting board 112.

[0037] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A pullable night-time level measuring ruler, comprising a lifting mechanism (1), a fixing mechanism (2) being arranged below the lifting mechanism (1), and the lifting mechanism (1) comprising a measuring ruler (106); It is characterized in that Also includes: The lifting mechanism (1) further comprises a lifting frame (101), the upper end of the inner wall of the lifting frame (101) is rotatably connected to a rotating member (105), and the bottom of the rotating member (105) is fixedly mounted to a measuring ruler (106); Wherein, both sides of the outer wall of the lifting frame (101) are provided with moving grooves (109), the length direction of the moving groove (109) is consistent with the length direction of the measuring ruler (106) and the lifting frame (101), the inner wall of each side of the moving groove (109) is slidably connected with a moving block (110), and a damper is provided between the outer wall of the moving block (110) and the inner side of the moving groove (109); The upper and lower ends of the inner wall of each moving block (110) are slidably connected to a movable rod (111), one end of the movable rod (111) passes through the moving block (110) and is rotatably connected to a lighting panel (112), and the lighting panel (112) is located in front of the measuring ruler (106).

2. The pullable night-time leveling ruler according to claim 1, characterized in that: An eccentric clamping block (103) is rotatably connected to the inner side of the top of the lifting frame (101); a lever (102) is fixedly connected to the top of the eccentric clamping block (103); the top of the lever (102) passes through the lifting frame (101) upward; a gasket (104) is fixedly connected to the bottom surface of the eccentric clamping block (103); and the bottom of the gasket (104) is in movably contact with a rotating member (105).

3. The pullable night-time leveling ruler according to claim 1, characterized in that: A threaded sleeve (107) is fixedly mounted on one side of the lower end of the lifting frame (101); a limiting sleeve (108) is fixedly connected to the surface of the lifting frame (101) and the side wall located away from the threaded sleeve (107); and a latch (113) is slidably connected to the lower end of the back side of the lifting frame (101).

4. The pullable night-time leveling ruler according to claim 1, characterized in that: The fixing mechanism (2) further comprises a support plate (201), the upper end of the outer wall of the support plate (201) being slidably connected to the inner wall of the lifting frame (101), a limiting rod (204) being fixedly mounted on the side wall of the support plate (201) and located at one end below the lifting frame (101), and the outer wall of the limiting rod (204) being slidably sleeved on the inner side of the limiting sleeve (108).

5. The pullable night-time leveling ruler according to claim 4, characterized in that: A threaded rod (202) is rotatably connected to one end of the side wall of the support plate (201) and located close to the threaded sleeve (107); the outer wall of the threaded rod (202) is threadedly sleeved with the inner side of the threaded sleeve (107); the bottom of the threaded rod (202) passes through the support plate (201) and is fixedly connected to a knob (203).

6. The pullable night-time leveling ruler according to claim 4, characterized in that: The bottom of the support plate (201) is rotatably connected to a support foot (205), and a plurality of threaded holes (206) are provided on the surface of the support foot (205) and on a side away from the lifting frame (101), and the inner walls of the plurality of threaded holes (206) are threadedly connected to pins (208).

7. The pullable night-time leveling ruler according to claim 4, characterized in that: A slot (207) is provided on the upper surface of the support plate (201) and below the latch (113), and the inner wall of the slot (207) is snap-fitted and connected to the bottom end of the latch (113).

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