CN215296247U

CN215296247U - Portable civil engineering distancer

Info

Publication number: CN215296247U
Application number: CN202121230422.XU
Authority: CN
Inventors: 王子昂
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-24
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a portable civil engineering distance measuring instrument, which comprises a box body, wherein four corners of the lower side of the box body are respectively provided with a folding leg, a folding fixing component is arranged between the folding leg and the lower wall of the box body, a lifting plate which is connected with the side wall of the box body in a sliding way is arranged in the box body, the upper side of the lifting plate is provided with a distance measuring instrument body, the lower side of the lifting plate is symmetrically provided with a support frame which is crossed with each other and is connected with the lifting plate in a rotating way, the lifting plate is symmetrically provided with a sliding groove in the front and the back, two sliding blocks slide in each sliding groove, the lower side of each sliding block is hinged with a first connecting rod, the front end and the back end of each first connecting rod are connected with the support frame, a lead screw which is connected with the side wall of the box body in a rotating way is arranged below the lifting plate, the left part and the right part of the lead screw are opposite in thread directions, the left part and the right part of the lead screw are connected with thread blocks in a thread connection way, the upper side of each thread block is connected with a second connecting rod, the front end and the rear end of the second connecting rod are hinged with the supporting frame, the right part of the lead screw penetrates through the side wall of the box body, and the end part of the lead screw is provided with a knob; the utility model discloses a quick location of porous position in the door plant punching process has simple structure, safe practicality, adjusts fast, convenient operation, the efficient advantage that punches a hole.

Description

Portable civil engineering distancer

Technical Field

The utility model belongs to the technical field of civil engineering equipment, in particular to portable civil engineering distancer.

Background

The distance measuring instrument is an instrument which is designed by utilizing the characteristics of light, sound, electromagnetic wave reflection, interference and the like and is used for length and distance measurement, the instrument is commonly used in civil engineering construction, the distance measuring instrument can be divided into a photoelectric distance measuring instrument and a sound wave distance measuring instrument from a modulation object adopted by the distance measuring instrument, the conventional civil engineering distance measuring instrument is supported by a triangular bracket generally, the distance measuring instrument is arranged in a naked mode generally, the construction site in the civil engineering is complex, mechanical equipment is more, when the distance measuring instrument is not used, particles such as collision or dust can enter the distance measuring instrument easily due to the fact that no person is in guard, the service life of the distance measuring instrument is shortened, the structure occupies a larger space, the carrying is not convenient enough, and meanwhile, the contact and the damage are easy in the transportation process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable civil engineering distancer has simple structure, safe practicality, convenient operation, portable and the advantage of transportation.

In order to achieve the above object, the utility model provides a following technical scheme: a portable civil engineering distance measuring instrument comprises a box body, wherein folding legs are arranged at four corners of the lower side of the box body, a folding fixing component is arranged between the folding legs and the lower wall of the box body, a lifting plate which is connected with the side wall of the box body in a sliding manner is arranged in the box body, a distance measuring instrument body is arranged on the upper side of the lifting plate, supporting frames which are mutually crossed and rotationally connected are symmetrically arranged on the front and the back of the lower side of the lifting plate, sliding grooves are symmetrically formed in the front and the back of the lifting plate, two sliding blocks slide in each sliding groove, a first connecting rod is hinged to the lower side of each sliding block, the front end and the back end of each first connecting rod are connected with the supporting frames, a lead screw which is rotationally connected with the side wall of the box body is arranged below the lifting plate, the thread directions of the left part and the right part of the lead screw are opposite, thread blocks are connected to the left part and the right part of the lead screw, and a second connecting rod is connected to the upper side of the thread blocks, the front end and the rear end of the second connecting rod are hinged to the supporting frame, and the right portion of the lead screw penetrates through the side wall of the box body and the end portion of the lead screw is provided with a knob.

Preferably, a box cover is arranged on the upper side of the box body, the box cover is connected with the box body through a lock catch, and a handle is arranged on the upper side of the box cover.

Preferably, folding fixed subassembly includes folding support, and folding support's cross-section is the U-shaped structure, folding leg rotates with folding support to be connected, folding support runs through and fixedly connected with slide tube, the inside spring that is provided with of slide tube, spring coupling have with slide tube sliding connection's kelly, the spring inboard be provided with kelly fixed connection's pull rod, the position that folding leg is close to folding support is provided with the draw-in groove with kelly looks adaptation.

Preferably, the end part of the sliding pipe is provided with a sliding hole, and the pull rod penetrates through the sliding hole and is connected with the sliding pipe in a sliding manner.

Preferably, the number of the clamping grooves on each folding leg is two, and when the folding legs are opened or folded, the clamping rods and the clamping grooves are located on the same axis.

Preferably, the left end and the right part of the screw rod are provided with a shaft base for supporting the rotation of the screw rod.

Preferably, the folding legs are telescopic legs.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model has the advantages that the folding legs and the folding fixing components are arranged, so that the box body can be conveniently supported, and the folding legs are convenient to fold, so that the space is more saved in the transportation process, and the structure has simple operation and better stability; through setting up support frame, spout, slider, first connecting rod, lead screw, thread piece, second connecting rod and knob, can realize accomodating of distancer body, this device of messenger is more portable practical, and simultaneously, the box can carry out safety protection to this device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

Fig. 3 is a schematic structural view of the folding fixing component of the present invention.

In the figure: 1. the range finder comprises a box body, 2, a lifting plate, 3, a range finder body, 4, folding legs, 5, a folding fixing assembly, 6, a folding support, 7, a sliding pipe, 8, a spring, 9, a clamping rod, 10, a pull rod, 11, a clamping groove, 12, a support frame, 13, a sliding groove, 14, a sliding block, 15, a first connecting rod, 16, a lead screw, 17, a threaded block, 18, a second connecting rod, 19, a knob, 20 and a box cover.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the embodiment provides a portable civil engineering distance measuring instrument, which includes a box body 1, folding legs 4 are respectively disposed at four corners of the lower side of the box body 1, a folding fixing component 5 is disposed between the folding legs 4 and the lower wall of the box body 1, a lifting plate 2 slidably connected to the side wall of the box body 1 is disposed in the box body 1, a distance measuring instrument body 3 is disposed on the upper side of the lifting plate 2, two support frames 12 which are mutually crossed and rotatably connected are symmetrically disposed on the lower side of the lifting plate 2 in the front-back direction, sliding grooves 11 are symmetrically disposed on the front-back direction of the lifting plate 2, two sliding blocks 14 are respectively slidably disposed in each sliding groove 11, a first connecting rod 15 is hinged to the lower side of each sliding block 14, the front end and the rear end of each first connecting rod 15 are respectively connected to the support frames 12, a lead screw 16 rotatably connected to the side wall of the box body 1 is disposed below the lifting plate 12, and the thread directions of the left portion and the right portion of the lead screw 16 are opposite, the left part and the right part of the screw rod 16 are both in threaded connection with a thread block 17, the upper side of the thread block 7 is connected with a second connecting rod 18, the front end and the rear end of the second connecting rod 18 are both hinged to the supporting frame 12, and the right part of the screw rod 16 penetrates through the side wall of the box body 1 and the end part of the screw rod 16 is provided with a knob 19.

In order to facilitate accomodating this device of simultaneously being convenient for carry through the handle to distancer body 3, in this embodiment, 1 upside of box is provided with case lid 20, is connected through the hasp between case lid 0 and the box 1, case lid 20 upside is provided with the handle.

In order to guarantee the stability of folding leg 4, in this embodiment, folding fixed subassembly 5 includes folding support 6, and the cross-section of folding support 6 is the U-shaped structure, folding leg 4 rotates with folding support 6 to be connected, folding support 6 runs through and fixedly connected with slide tube 7, the inside spring 8 that is provided with of slide tube 7, spring 8 be connected with slide tube 7 sliding connection's kelly 9, the spring 8 inboard be provided with kelly 9 fixed connection's pull rod 41, the position that folding leg 7 is close to folding support 6 is provided with the draw-in groove 11 with kelly 9 looks adaptation.

In order to fix the folding leg when the folding fixing component 6 is in the open or folded state, in the embodiment, the end of the slide tube 7 is provided with a slide hole, and the pull rod 10 penetrates through and is connected with the slide tube 7 in a sliding manner through the slide hole.

In order to fix the folding legs 4 when the folding legs are opened or folded, in this embodiment, the number of the locking slots 11 on each folding leg 4 is two, and when the folding legs 4 are opened or folded, the locking rods 9 and the locking slots 11 are all located on the same axis.

In order to support the rotation of the lead screw 16, in the present embodiment, the left end and the right portion of the lead screw 16 are provided with a bearing seat for supporting the rotation thereof.

In order to adjust the height of the folding leg 4, so that the constructor can operate the folding leg, in this embodiment, the folding leg 4 is a telescopic leg.

The utility model discloses a theory of operation: when the folding leg is used, firstly, the folding leg 4 is unfolded, in the process of unfolding the folding leg 4, the pull rod 10 is pulled, the pull rod 10 drives the clamping rod 9 to slide along the sliding pipe 7, the clamping rod 9 leaves the clamping groove 11, at the moment, the spring 8 is in a compressed state, then, the folding leg 4 is rotated by 90 degrees, then, the pull rod 10 is loosened, the elastic force of the spring 8 pushes the clamping rod 9 to be clamped into the other clamping groove 11, so that the folding leg 4 is fixed, the folding leg 4 stably supports the box body 1, then, the knob 19 is rotated, the knob 19 rotates to drive the lead screw 16 to rotate, the thread directions of the left part and the right part of the lead screw 16 are opposite, therefore, the two sliding blocks 17 are close to each other and simultaneously drive the mutually crossed supporting frames 12 to rotate, the lifting plate 2 is driven to move upwards in the rotating process, the lifting plate 2 drives the range finder body 3 to move upwards so as to leave the box body 1, and is convenient to use, use the back antiport knob 19 of accomplishing, can accomodate box 1 with distancer body 3, then cover case lid 20, will fold leg 4 and fold, just so accomplish accomodating of this device for this device is more convenient when the transport, also practices thrift the space during the transportation more, thereby makes this device more convenient practical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable civil engineering distancer, includes the box, its characterized in that: folding legs are arranged at four corners of the lower side of the box body, a folding fixing component is arranged between the folding legs and the lower wall of the box body, a lifting plate which is connected with the side wall of the box body in a sliding manner is arranged in the box body, a range finder body is arranged on the upper side of the lifting plate, supporting frames which are mutually crossed and rotationally connected are symmetrically arranged at the front and the back of the lower side of the lifting plate, sliding grooves are symmetrically formed in the front and the back of the lifting plate, two sliding blocks slide in each sliding groove, a first connecting rod is hinged to the lower side of each sliding block, the front end and the back end of each first connecting rod are connected with the supporting frames, a lead screw which is rotationally connected with the side wall of the box body is arranged below the lifting plate, the thread directions of the left part and the right part of the lead screw are opposite, thread blocks are respectively connected to the left part and the right part of the lead screw, second connecting rods are connected with the upper sides of the thread blocks, and the front ends and the back ends of the second connecting rods are hinged with the supporting frames, the right part of the lead screw penetrates through the side wall of the box body, and a knob is arranged at the end part of the lead screw.

2. Portable civil engineering rangefinder according to claim 1, characterized in that: the box body upside is provided with the case lid, is connected through the hasp between case lid and the box body, the case lid upside is provided with the handle.

3. Portable civil engineering rangefinder according to claim 2, characterized in that: the folding fixing assembly comprises a folding support, the cross section of the folding support is of a U-shaped structure, the folding legs are rotatably connected with the folding support, the folding support penetrates through a sliding pipe fixedly connected with the sliding pipe, a spring is arranged inside the sliding pipe and connected with a clamping rod in sliding connection with the sliding pipe, a pull rod fixedly connected with the clamping rod is arranged on the inner side of the spring, and a clamping groove matched with the clamping rod is formed in the position, close to the folding support, of each folding leg.

4. Portable civil engineering rangefinder according to claim 3, characterized in that: the end part of the sliding pipe is provided with a sliding hole, and the pull rod penetrates through the sliding hole and is connected with the sliding pipe in a sliding mode.

5. Portable civil engineering rangefinder according to claim 4, characterized in that: the quantity of draw-in groove is two on every folding leg, and folding leg is opened or fold condition time, and the kelly all is located the same axis with the draw-in groove.

6. Portable civil engineering rangefinder according to claim 5, characterized in that: and the left end and the right part of the lead screw are both provided with a shaft base for supporting the lead screw to rotate.

7. Portable civil engineering rangefinder according to claim 1 or 6, characterized in that: the folding legs are telescopic legs.