Temporary protection device for plug-in leveling instrument

The design of the temporary protective device for the insertion-type leveling instrument solves the problem of protecting the leveling instrument in rainy and snowy weather, achieving sealing and durability, ensuring measurement accuracy and extending service life.

CN223783625UActive Publication Date: 2026-01-09HEILONGJIANG VOCATIONAL INST OF ECOLOGICAL ENG
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Patent Information

Application Number
CN202520473536.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-09
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The temporary protective devices of existing leveling instruments are not effective in rainy or snowy weather, which can easily lead to rainwater entering the instrument, affecting measurement accuracy and lifespan, and they are also prone to damage in complex environments.

Method used

A temporary protective device for an insertion-type leveling instrument was designed. It adopts an insertion connection between the left and right protective covers, combined with a locking mechanism and a transparent acrylic box structure to ensure sealing and durability.

Benefits of technology

It effectively prevents rainwater and impurities from entering the instrument, protects precision components, extends service life, adapts to complex environments, is easy and quick to install, and does not affect measurement work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a temporary protection device for a plug-in level gauge. At present, when a temporary protection device of a leveling instrument adopts a plastic film, the temporary protection device is easy to age and damage in a complex surveying and mapping environment, and loses a rainproof effect once being damaged. A temporary protection device of a plug-in level measuring instrument comprises a left protection cover and a right protection cover, the left protection cover and the right protection cover are connected in a plug-in mode, and an opening of the right protection cover is inserted into a socket of the left protection cover. Locking mechanisms are installed on the inserting plates on the two sides and the top of the left protective cover respectively, lock holes used in cooperation with the locking mechanisms are formed in the inserting plates on the two sides and the top of the left protective cover respectively, and the left protective cover and the right protective cover are fixedly connected through the locking mechanisms. The inserting plates on the two sides and the top of the right protective cover are inserted into the opening edge positions of the two sides and the top of the left protective cover correspondingly, and the inserting plate at the bottom of the right protective cover and the inserting plate at the bottom of the left protective cover are of an attached structure. The leveling instrument is applied to the field of leveling instruments.
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Description

TECHNICAL FIELD

[0001] The utility model is applied to the field of level measuring instrument, specifically relates to a plug -in type level measuring instrument temporary protection device. BACKGROUND

[0002] The level measuring instrument is widely applied to topographic survey, engineering construction and other fields, and rain and snow weather is often encountered in the use process, if the level measuring instrument is not waterproofed in time, rainwater can enter the inside through the gaps, interfaces and other parts of the instrument, the normal use of electronic, optical and mechanical parts is affected, and the measurement precision of the level measuring instrument is reduced.

[0003] At present, the level measuring instrument temporary protection device usually adopts plastic film cover or umbrella type protection device, when the plastic film is adopted, the plastic film cover is fragile, and is easy to age and damage under complex surveying environment, once damage occurs, rainwater is easy to enter the inside of the instrument through the gap, and frequent replacement is needed.

[0004] When the umbrella type protection device is adopted, in windy weather, the umbrella type protection device can be blown down or askew, and the umbrella type protection device mainly blocks rainwater from above, and the protection effect is limited for rainwater or raindrop splashing from the side, and the side of the instrument can still be wetted by rainwater. INVENTION CONTENTS

[0005] The utility model aims at providing a plug-in type level measuring instrument temporary protection device to solve the problems in the above background.

[0006] The above purpose is realized by the following technical scheme:

[0007] A plug-in type level measuring instrument temporary protection device, the plug-in type level measuring instrument temporary protection device includes left shield and right shield, the left shield and the right shield are plug-in type connection between, the left shield and the right shield are the half closed structure that one end is open type, the other end is closed type, and the opening of right shield is inserted into the spigot of left shield;

[0008] Locking mechanisms are respectively installed on the plug-in plates on the two sides and the top of the left shield, lock holes for cooperating with the locking mechanisms are respectively formed in the plug-in plates on the two sides and the top of the left shield, and the left shield and the right shield are fixedly connected through the locking mechanisms.

[0009] The plug-in plates on the two sides and the top of the right shield are respectively inserted into the opening edge positions on the two sides and the top of the left shield, and the plug-in plate on the bottom of the right shield and the plug-in plate on the bottom of the left shield are in a fit structure.

[0010] The locking mechanism comprises a sliding rod, a compression spring, a limiting plate, a steering plate and a locking pin.

[0011] The top of the sliding rod is connected with the limiting plate in vertical mode, the steering plate is rotatably installed on the sliding rod, the lower side of the distal end of the steering plate is connected with the locking pin in vertical mode, the compression spring is installed between the limiting plate and the steering plate, and the bottom of the compression spring is arranged above the steering plate and presses the steering plate through the elasticity of the compression spring.

[0012] The bottom of the left shield is symmetrically provided with two screw foot left insertion grooves, and the two screw foot left insertion grooves are arranged in parallel.

[0013] The bottom opening end of the right shield has a rectangular gap structure, the bottom opening end of the left shield is inserted into the rectangular gap structure, and a screw foot right insertion groove is formed in the middle position of the rectangular gap structure.

[0014] The left shield and the right shield are buckled with the leveling instrument, and a gap is reserved between the left shield, the right shield and the leveling instrument.

[0015] The left shield and the right shield are buckled with the leveling instrument, and a gap is reserved between the left shield, the right shield and the leveling instrument.

[0016] The utility model discloses the reached beneficial effect is:

[0017] The left shield and the right shield adopt the plug-in structure, the top and the two sides of the left shield and the right shield are pressed together with a certain distance, rainwater is prevented from entering the inside of the leveling instrument, the leveling instrument is prevented from being damaged due to water, and the precise components of the leveling instrument can be prevented from being eroded by rainwater when sudden rainfall occurs outdoors.

[0018] The utility model can resist dust, sand and other impurities, avoid impurities from entering the instrument to interfere with the measurement accuracy, and prolong the service life of the instrument.

[0019] The utility model is convenient to install, can be quickly installed and disassembled, can be taken down in time when the leveling instrument is needed to be used, and the normal development of the measurement work is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0021] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 1 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0022] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 2 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0023] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 3 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0024] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 4 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 3 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0025] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 5 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 2 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0026] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 6 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 5 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0027] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings: Figure 7 The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0028] In the drawings: 1, left shield, 2, right shield, 3, locking mechanism, 4, lock hole, 5, left slot of spiral foot, 6, rectangular notch structure, 7, right slot of spiral foot, 8, level meter, 9, spiral foot, 10, ocular lens, 11, tripod, 31, sliding rod, 32, compression spring, 33, limiting plate, 34, turning plate, 35, lock pin. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to explain and illustrate the present application, and do not constitute a limitation to the present application.

[0030] Embodiment 1:

[0031] A plug-in type level meter temporary protection device, the plug-in type level meter temporary protection device comprises a left shield 1 and a right shield 2, the left shield and the right shield are connected in a plug-in type, the left shield and the right shield are a semi-closed structure with one end being open and the other end being closed, and the opening of the right shield is inserted into the opening of the left shield;

[0032] The locking mechanism 3 is arranged on the plug-in plates on the two sides and the top of the left shield, and the locking holes 4 for cooperating with the locking mechanism are arranged on the plug-in plates on the two sides and the top of the left shield, and the left shield and the right shield are fixedly connected through the locking mechanism.

[0033] The plug-in plates on the two sides and the top of the right shield are inserted into the opening edge positions of the left shield, and the plug-in plate on the bottom of the right shield is in a fit structure with the plug-in plate on the bottom of the left shield.

[0034] Embodiment 2

[0035] The plug-in water level measuring instrument temporary protection device according to Embodiment 1, the locking mechanism comprises a sliding rod 31, a compression spring 32, a limiting plate 33, a turning plate 34 and a lock pin 35.

[0036] The top of the sliding rod is connected with the limiting plate in a perpendicular mode, the turning plate is rotatably arranged on the sliding rod, so that the turning plate rotates on the sliding rod, the lock pin is arranged on the lower side of the far end of the turning plate in a perpendicular mode, the compression spring is arranged between the limiting plate and the turning plate, and the compression spring is sleeved on the sliding rod, so that the bottom of the compression spring is arranged above the turning plate and presses the turning plate downward through the elasticity of the compression spring.

[0037] When the top of the left shield is fixedly connected with the right shield, the turning plate on the locking mechanism on the top of the left shield can be lifted upward along the sliding rod in a vertical mode, the lock pin on the turning plate is inserted into the locking hole on the top plate of the right shield after being lifted, and the compression spring on the sliding rod presses the turning plate downward in a vertical mode through the elasticity of the compression spring, so that the locking mechanism on the side plate of the left shield is locked with the locking hole on the right shield, and the left shield and the right shield are fixedly connected quickly.

[0038] Embodiment 3

[0039] The plug-in water level measuring instrument temporary protection device according to Embodiment 1 or 2, two screw foot left insertion grooves 5 are symmetrically arranged on the bottom of the left shield, and the two screw foot left insertion grooves are arranged in parallel.

[0040] The lengths of the two screw foot left insertion grooves are the same, the two screw foot left insertion grooves on the bottom of the left shield can insert the bottom plate of the left shield into the two support shafts on one side of the screw foot, and the left shield is inserted into the middle part of the water level measuring instrument 8.

[0041] Embodiment 4

[0042] The plug-in water level measuring instrument temporary protection device according to Embodiment 1 or 2 or 3, the bottom opening end of the right shield has a rectangular notch structure 6, the bottom opening end of the left shield is inserted into the rectangular notch structure, and a screw foot right insertion groove 7 is arranged at the middle position of the rectangular notch structure.

[0043] The helical foot right slot of the right shield can insert the bottom plate of the right shield into the other support shaft on one side of the helical foot, and insert the right shield into the middle part of the leveling instrument, so that the left shield and the right shield are connected, wherein the top and the side of the left shield and the right shield are in an inserted structure, and the bottom of the left shield and the right shield is in a matched structure.

[0044] Embodiment 5:

[0045] The temporary protection device for the inserted leveling instrument according to any one of embodiments 1-4, wherein the left shield and the right shield are transparent acrylic box structures.

[0046] Embodiment 6:

[0047] The temporary protection device for the inserted leveling instrument according to any one of embodiments 1-5, wherein the left shield and the right shield are transparent acrylic box structures.

[0048] When the left shield and the right shield are installed, the two helical foot left slots of the bottom of the left shield insert the bottom plate of the left shield into the two support shafts on one side of the helical foot, so that the left shield is inserted into the middle part of the leveling instrument, and the helical foot right slot of the right shield can insert the bottom plate of the right shield into the other support shaft on one side of the helical foot, so that the right shield is inserted into the middle part of the leveling instrument, and the top and the two sides of the left shield are inserted into the opening of the right shield, so that the top and the two sides of the left shield and the right shield are pressed together with a certain distance, preventing rainwater from entering the leveling instrument. After the left shield and the right shield are inserted, the turning plate on the locking mechanism at the top of the left shield is lifted vertically upward along the slide rod, and after being lifted, the locking pin on the turning plate is inserted into the lock hole on the top plate of the right shield. The compression spring on the slide rod will press the turning plate vertically downward by its own elastic force. Through the above operation, the locking mechanism on the side plate surface of the left shield and the lock hole on the right shield are locked, so that the left shield and the right shield are quickly and fixedly connected.

Claims

1. A temporary protective device for an insertion-type leveling instrument, characterized in that, The left shield and the right shield are connected in plug-in mode, the left shield and the right shield are half-closed structures with one end being open and the other end being closed, and the opening of the right shield is plugged into the opening of the left shield; Locking mechanisms are respectively arranged on the insertion plates on the two sides and the top of the left shield, lock holes are respectively arranged on the insertion plates on the two sides and the top of the left shield and used in cooperation with the locking mechanisms, and the left shield and the right shield are fixedly connected through the locking mechanisms; The insertion plates on the two sides and the top of the right shield are respectively plugged into the opening edge positions of the left shield, and the insertion plate on the bottom of the right shield is in a fit structure with the insertion plate on the bottom of the left shield.

2. The temporary protection device for a surveyor's rod according to claim 1, wherein, The locking mechanism comprises a sliding rod, a compression spring, a limiting plate, a turning plate and a lock pin. The top of the sliding rod is connected with the limiting plate in a perpendicular mode, the turning plate is rotatably arranged on the sliding rod, the lower side of the distal end of the turning plate is connected with the lock pin in a perpendicular mode, the compression spring is arranged between the limiting plate and the turning plate, and the bottom of the compression spring is arranged above the turning plate and presses the turning plate downward through the elasticity of the compression spring.

3. The temporary protection device for a surveyor's rod according to claim 1, wherein, The bottom of the left shield is symmetrically provided with two screw foot left insertion grooves arranged in parallel.

4. The temporary protection device for a surveyor's rod according to claim 1, wherein, The bottom opening end of the right shield has a rectangular notch structure, the bottom opening end of the left shield is plugged into the rectangular notch structure, and a screw foot right insertion groove is arranged in the middle position of the rectangular notch structure.

5. A temporary protection device for an insertion level according to claim 3 or 4, characterized in that The left shield and the right shield are buckled with the leveling instrument, and gaps are left between the left shield, the right shield and the leveling instrument.

6. The temporary protection device for a point levelling instrument according to claim 5, wherein, The left shield and the right shield are transparent acrylic box body structures.