CN210486895U

CN210486895U - Waterproof type high accuracy plumb aligner

Info

Publication number: CN210486895U
Application number: CN201922008752.3U
Authority: CN
Inventors: 张晖; 刘进军; 耿伟杰; 张建麟
Original assignee: Suzhou Industrial Park Dexin Precision Instrument Co Ltd
Current assignee: Suzhou Industrial Park Dexin Precision Instrument Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-05-08
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to the technical field of plumbing instruments, in particular to a waterproof high-precision plumbing instrument, which comprises a base plumbing instrument body; the collimator body is fixedly arranged on the base, an objective lens is arranged at the top of the collimator body, and an eyepiece for observation is arranged at the outer side of the collimator body; the objective lens comprises a lens barrel for mounting the lens and a lens cover for protecting the lens, wherein a mounting groove for mounting the lens is formed in the lens barrel, and a heating pad with an annular structure is fixedly mounted on the inner wall of the mounting groove; the inside of lens cone is seted up cyclic annular cavity, still sets up a plurality of air inlets on the inner wall of lens cone. The utility model discloses a to the inside drum of air inlet go into cold wind, cold wind blows to the lens from the air inlet, cools down to the lens, and the cooperation heating pad makes the temperature of lens adjustable and always with ambient temperature, avoids the lens water smoke phenomenon to appear to improve the result of use of lens.

Description

Waterproof type high accuracy plumb aligner

Technical Field

The utility model relates to a plumb accurate appearance technical field specifically is a waterproof type high accuracy plumb accurate appearance.

Background

The plumb aligner uses a visible laser coincident with the collimation axis to generate an upward plumb line for measuring small deviation relative to the plumb line and performing positioning transmission of the plumb line. The vertical collimator is mainly used for elevation buildings, a small hole is reserved in the middle of each floor generally, a control point is led to the position below the building, the vertical collimator is erected, strict leveling is achieved, laser is opened, and therefore the building and the paying-off are convenient to construct on the floor. The general precision of the plummet is 1/40000, 1/50000, 1/100000 and the like, and after strict leveling, two vertical lasers can be emitted, one is upward and the other is downward.

In the supercooled or overheated environment, the temperature of the lens can not adapt to the environment, so that water mist is easily generated, and the accurate measurement of the collimator is influenced.

Therefore, in view of the above situation, there is an urgent need to develop a waterproof high-precision plummet to overcome the shortcomings in the current practical application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof type high accuracy appearance of hanging down to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a waterproof high-precision plumbing instrument comprises a base plumbing instrument body; the collimator body is fixedly arranged on the base, an objective lens is arranged at the top of the collimator body, and an eyepiece for observation is arranged at the outer side of the collimator body; the objective lens comprises a lens barrel for mounting the lens and a lens cover for protecting the lens, wherein a mounting groove for mounting the lens is formed in the lens barrel, a heating pad with an annular structure is fixedly mounted on the inner wall of the mounting groove, and the edge of the lens is attached to the heating pad; the lens barrel is characterized in that an annular cavity is formed in the lens barrel, a plurality of air inlets are formed in the inner wall of the lens barrel, one ends of the air inlets are communicated with the inside of the cavity, and the other ends of the air inlets are opposite to the lenses.

As a further aspect of the present invention: the outer side of the upper portion of the lens barrel is provided with an external thread, the inner side of the lens cover is provided with an internal thread matched with the external thread, and the lens cover is detachably mounted on the lens barrel through the matching between the external thread and the internal thread.

As a further aspect of the present invention: the inside of lens cone installs the power supply battery, and the power supply battery passes through wire and heating pad electric connection.

As a further aspect of the present invention: an air cooler is further installed on the outer side of the plummet body, and the exhaust end of the air cooler is communicated with the cavity through an air pipe.

As a further aspect of the present invention: and a temperature detector is fixedly arranged on the upper part of the mirror cover.

As a further aspect of the present invention: the inner side of the lens barrel is provided with a temperature sensor on the lens, the lens cover is provided with a display screen, and the display screen is electrically connected with the temperature sensor.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses offer the mounting groove that is used for installing the lens in the inside of lens cone, fixed mounting has the heating pad of annular structure on the inner wall of mounting groove, the border department of lens is attached on the heating pad, annular cavity has still been seted up in the inside of lens cone, a plurality of air inlets have still been seted up on the inner wall of lens cone, the one end of air inlet and the inside intercommunication of cavity, the other end of air inlet is just to the lens, through blowing cold wind to the inside of air inlet, cold wind blows to the lens from the air inlet, cool down the lens, the cooperation heating pad, make the temperature of lens adjustable and with ambient temperature always, avoid the lens fog phenomenon to appear, thereby improve the result of use of lens.

Drawings

Fig. 1 is a schematic structural view of a waterproof high-precision plummet.

Fig. 2 is a schematic structural view of an objective lens in the waterproof type high-precision plumbing instrument.

Fig. 3 is a sectional view of a lens barrel in the waterproof type high-precision plumbing instrument.

In the figure: the device comprises a base 1, a collimator body 2, an objective 3, an eyepiece 4, an air cooler 5, a lens cover 6, a temperature detector 7, a display screen 8, a lens cone 9, an external thread 10, a power supply battery 11, a cavity 12, a lead 13, an air inlet 14, a heating pad 15 and an installation groove 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a waterproof high-precision plumbing instrument includes a base 1 and a plumbing instrument body 2; the collimator body 2 is fixedly arranged on the base 1, an objective lens 3 is arranged at the top of the collimator body 2, and an eyepiece 4 for observation is arranged on the outer side of the collimator body 2;

the objective lens 3 comprises a lens barrel 9 for mounting lenses and a lens cover 6 for protecting the lenses, wherein external threads are arranged on the outer side of the upper part of the lens barrel 9, internal threads matched with the external threads are arranged on the inner side of the lens cover 6, and the lens cover 6 is detachably mounted on the lens barrel 9 through the matching between the external threads and the internal threads, so that the lenses are protected when the lens barrel 9 is not used;

the lens barrel 9 is internally provided with a mounting groove 16 for mounting lenses, the inner wall of the mounting groove 16 is fixedly provided with a heating pad 15 with an annular structure, the edge of each lens is attached to the heating pad 15, and the heating pad 15 heats the lenses so as to improve the temperature of the lenses; an annular cavity 12 is formed in the lens barrel 9, a plurality of air inlets 14 are formed in the inner wall of the lens barrel 9, one ends of the air inlets 14 are communicated with the inside of the cavity 12, the other ends of the air inlets 14 face the lenses, cold air is blown into the air inlets 14 and blows towards the lenses from the air inlets 14 to cool the lenses, and the temperature of the lenses is adjustable by matching with a heating pad 15;

specifically, in this embodiment, a power supply battery 11 is installed inside the lens barrel 9, and the power supply battery 11 is electrically connected to the heating pad 15 through a wire 13, and is used for supplying power to the heating pad 15 to heat the heating pad 15;

specifically, in this embodiment, an air cooler 5 is further installed on the outer side of the collimator body 2, and an exhaust end of the air cooler 5 is communicated with the cavity 12 through an air pipe (not shown in the figure) and is used for blowing cold air into the cavity 12 to cool the lens;

in order to facilitate observation and feeling of the external temperature of a user, the temperature detector 7 is fixedly mounted on the upper portion of the mirror cover 6, and the user knows the external temperature through the temperature detector 7, so that the temperature of the lens is adjusted.

Example 2

The difference between this embodiment and embodiment 1 lies in that the lens barrel 9 inboard is located and is provided with temperature sensor on the lens, install display screen 8 on the mirror lid 6, display screen 8 and temperature sensor electric connection for detect the lens temperature, the user adjusts the lens temperature before the work of plumb aligner, makes it always with ambient temperature, avoids the water smoke phenomenon to appear in the lens, thereby improves the result of use of lens.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A waterproof high-precision plumbing instrument comprises a base (1) and a plumbing instrument body (2); the collimator body (2) is fixedly arranged on the base (1), an objective lens (3) is arranged at the top of the collimator body (2), and an eyepiece (4) for observation is arranged on the outer side of the collimator body (2); the lens holder is characterized in that the objective lens (3) comprises a lens barrel (9) for mounting lenses and a lens cover (6) for protecting the lenses, a mounting groove (16) for mounting the lenses is formed in the lens barrel (9), a heating pad (15) with an annular structure is fixedly mounted on the inner wall of the mounting groove (16), and the edge of each lens is attached to the heating pad (15); the lens barrel is characterized in that an annular cavity (12) is formed in the lens barrel (9), a plurality of air inlets (14) are further formed in the inner wall of the lens barrel (9), one ends of the air inlets (14) are communicated with the inside of the cavity (12), and the other ends of the air inlets (14) are opposite to the lenses.

2. The waterproof high-precision plummet according to claim 1, wherein the outer side of the upper part of the lens barrel (9) is provided with an external thread, the inner side of the lens cover (6) is provided with an internal thread which is matched with the external thread, and the lens cover (6) is detachably mounted on the lens barrel (9) through the matching between the external thread and the internal thread.

3. The waterproof high-precision plummet according to claim 2, wherein a power supply battery (11) is installed inside the lens barrel (9), and the power supply battery (11) is electrically connected with the heating pad (15) through a lead (13).

4. The waterproof high-precision plummet according to claim 3, wherein an air cooler (5) is further mounted on the outer side of the plummet body (2), and an exhaust end of the air cooler (5) is communicated with the cavity (12) through an air pipe.

5. The waterproof high-precision plummet according to any one of claims 1 to 4, wherein a temperature detector (7) is fixedly mounted on the upper portion of the mirror cover (6).

6. The waterproof high-precision plummet according to claim 5, wherein a temperature sensor is arranged on the lens inside the lens barrel (9), a display screen (8) is mounted on the lens cover (6), and the display screen (8) is electrically connected with the temperature sensor.