CN212539226U

CN212539226U - Measuring instrument for construction engineering cost with dustproof function

Info

Publication number: CN212539226U
Application number: CN202021644943.5U
Authority: CN
Inventors: 贾兆勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-12
Anticipated expiration: 2030-08-10

Abstract

The utility model belongs to the technical field of engineering measuring equipment, especially, be a measuring instrument for building engineering cost with dustproof function, do not possess dirt-proof function to current measuring instrument, easily be infected with the dust when leading to using in the engineering project place to reduce its life's problem, the following scheme is proposed at present, and it includes the casing, fixed mounting has the measuring instrument body on the inner wall of casing bottom, and the through-hole has all been seted up to the casing both sides, and equal fixed mounting has the dust screen in two through-holes, and the casing top has first board and second board for opening setting and slidable mounting, and first board top one side fixed mounting has the handle, and the equal fixed mounting in first board and second board bottom rear side has the riser, the one end of the equal fixedly connected with rack in one side that two risers are close to each other. The utility model discloses a set up casing and dust screen and carry out dustproof protection to measuring instrument, and be convenient for open and close the casing to be convenient for debug the operation to the instrument.

Description

Measuring instrument for construction engineering cost with dustproof function

Technical Field

The utility model relates to an engineering measurement equipment technical field especially relates to a measuring instrument for building engineering cost with dustproof function.

Background

The engineering cost is a mode of summarizing and calculating the expected or actual expenditure required by a project through professional measurement and accounting before the construction of the project is completed, and is a necessary engineering project step capable of avoiding risks and creating profits for people in advance to the maximum. Conventional construction cost measuring instruments include levels, theodolites, laser plummet, total stations, and the like, which are generally expensive and require careful protection of electronic equipment.

However, since the conventional measuring instrument does not have a dustproof function, it is liable to be contaminated with dust when used in a construction project site, thereby reducing its service life, and thus we have proposed a measuring instrument for construction costs having a dustproof function for solving the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current measuring instrument and not possessing dirt-proof function, easily be infected with the dust when leading to using in the engineering project place to reduce its life's shortcoming, and the measuring instrument for the building engineering cost who provides with dustproof function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a measuring instrument with a dustproof function for construction engineering cost comprises a shell, wherein a measuring instrument body is fixedly arranged on the inner wall of the bottom of the shell, through holes are formed in two sides of the shell, a dustproof net is fixedly arranged in each through hole, a first plate and a second plate are arranged on the top of the shell in an opening mode and are slidably arranged, a handle is fixedly arranged on one side of the top of the first plate, vertical plates are fixedly arranged on the rear sides of the bottoms of the first plate and the second plate, one sides, close to each other, of the two vertical plates are fixedly connected with one ends of racks, a gear is rotatably arranged on the inner wall of the rear side of the shell, the two racks are meshed with the gear, a transverse groove is formed in one side of the second plate, a connecting plate is slidably arranged in the transverse groove, a clamping plate is fixedly arranged on one side of the top of the connecting plate, a connecting groove is, one end of a pressure rod is fixedly connected to the top of the connecting plate, and a pressure plate is fixedly mounted at the other end of the pressure rod.

Preferably, two fixing plates are fixedly mounted on the inner wall of the rear side of the shell, and the two fixing plates are sleeved on the outer sides of the two racks in a sliding mode to guide the racks.

Preferably, two risers are close to the one end of two compression springs of the equal fixedly connected with in one side each other, four compression springs's the other end respectively with the fixed plate fixed connection that corresponds, four compression springs are compression state initially, promote two risers to the one side motion of keeping away from each other through compression spring's elastic force.

Preferably, two limiting rods are fixedly connected to the inner wall of the top of the transverse groove and the inner wall of the bottom of the transverse groove, and the connecting plate is sleeved outside the two limiting rods in a sliding mode to guide and limit the connecting plate.

Preferably, the bottom of the connecting plate is fixedly connected with one end of two supporting springs, and the other ends of the two supporting springs are fixedly connected to the inner wall of the bottom of the transverse groove to support and reset the connecting plate.

Preferably, the one end of equal fixedly connected with guide bar on the inner wall of casing both sides, two risers slide the cover respectively and establish in the guide bar outside that corresponds, further lead the riser.

In the utility model, the measuring instrument with the dustproof function for the construction cost of the building engineering is used for ventilating and radiating the measuring instrument body through the two through holes on the shell and isolating the dust in the air through the dustproof net, thereby avoiding the dust from entering the measuring instrument body to cause influence, and the pressing plate can move downwards by pressing, the pressing plate drives the connecting plate to move downwards by the pressing rod, the connecting plate drives the clamping plate to move downwards, so that the clamping plate is separated from the contact of the baffle plate, thereby separating from the fixed connection of the first plate and the second plate, the four compression springs are initially in a compression state, and extend and drive the two vertical plates to move towards the sides far away from each other after losing pressure, and the two vertical plates drive the first plate and the second plate to move towards the sides far away from each other, so that the shell is opened, and the measuring instrument body can be conveniently operated and debugged manually;

in the utility model, the measuring instrument with the dustproof function for the construction cost is characterized in that after the operation is completed, the first plate is pushed by hand through the handle to slide towards one side close to the second plate, the first plate drives the vertical plate at one side to move towards one side close to the vertical plate at the other side, the vertical plate at one side drives the rack at the upper side to transversely slide, and drives the gear to clockwise rotate through the meshing with the gear, the gear drives the vertical plate at the other side to reversely slide through the meshing with the rack at the lower side, the two vertical plates drive the first plate and the second plate to move towards one side close to each other, the baffle pushes the connecting plate to move downwards and compress the supporting spring through the contact with the top of the clamping plate, when the first plate is contacted with the second plate, the connecting plate resets under the elastic action of the supporting spring and drives the clamping plate to move upwards, thereby fixing the clamping plate through the baffle, the first plate and the second plate are fixed together, so that the shell is sealed, and the dustproof effect of the measuring instrument body is guaranteed;

the utility model has the advantages of reasonable design, through setting up casing and dust screen to measure instrument dustproof protection, and be convenient for open and close the casing to be convenient for debug the operation to the instrument, the reliability is high.

Drawings

Fig. 1 is a schematic structural view of a measuring instrument for construction cost with a dustproof function according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a measuring instrument for construction cost with a dustproof function according to the present invention;

fig. 3 is the utility model provides a part B's schematic structure diagram of measuring instrument for construction engineering cost with dustproof function.

In the figure: 1. a housing; 2. a measuring instrument body; 3. a dust screen; 4. a first plate; 5. a second plate; 6. a guide bar; 7. a rack; 8. a handle; 9. a vertical plate; 10. a gear; 11. a compression spring; 12. a fixing plate; 13. a transverse slot; 14. a connecting plate; 15. clamping a plate; 16. connecting grooves; 17. a baffle plate; 18. a pressure lever; 19. pressing a plate; 20. a support spring; 21. a limiting rod.

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.

Referring to fig. 1-3, a measuring instrument for construction cost with dust-proof function, comprising a casing 1, a measuring instrument body 2 fixedly mounted on the inner wall of the bottom of the casing 1, through holes respectively formed on both sides of the casing 1, a dust-proof net 3 fixedly mounted in both the through holes, a first plate 4 and a second plate 5 slidably mounted in the top of the casing 1, a handle 8 fixedly mounted on one side of the top of the first plate 4, a vertical plate 9 fixedly mounted on the rear side of the bottom of the first plate 4 and the second plate 5, one side of the two vertical plates 9 close to each other is fixedly connected with one end of a rack 7, a gear 10 rotatably mounted on the inner wall of the rear side of the casing 1, both racks 7 are engaged with the gear 10, a transverse groove 13 formed on one side of the second plate 5, a connecting plate 14 slidably mounted in the transverse groove 13, a clamping plate 15 fixedly mounted on one side of the top of the connecting, a baffle 17 is fixedly mounted on the inner wall of the top of the connecting groove 16, the clamping plate 15 is movably abutted against one side of the baffle 17, one end of a pressing rod 18 is fixedly connected to the top of the connecting plate 14, and a pressing plate 19 is fixedly mounted at the other end of the pressing rod 18.

The utility model discloses in, fixed mounting has two fixed plates 12 on the 1 rear side inner wall of casing, and two fixed plates 12 all slide the cover and establish in two rack 7 outsides, lead to rack 7.

The utility model discloses in, two risers 9 equal one end of two compression spring 11 of fixedly connected with in one side that are close to each other, four compression spring 11's the other end respectively with the fixed plate 12 fixed connection that corresponds, four compression spring 11 are the compression state initially, promote two risers 9 to the one side motion of keeping away from each other through compression spring 11's spring action.

The utility model discloses in, two gag lever posts 21 of fixedly connected with on 13 top inner walls of transverse groove and the bottom inner wall, connecting plate 14 slip cap is established in two gag lever posts 21 outsides, leads spacingly to connecting plate 14.

The utility model discloses in, two supporting spring 20's of 14 bottom fixedly connected with one end of connecting plate, the equal fixed connection of the other end of two supporting spring 20 is on the inner wall of transverse groove 13 bottom, supports and resets connecting plate 14.

The utility model discloses in, equal fixedly connected with guide bar 6's one end on the inner wall of 1 both sides of casing, two risers 9 slide the cover respectively and establish in the 6 outsides of corresponding guide bar, further lead to riser 9.

In the utility model, when in use, the measuring instrument body 2 is ventilated and radiated through the two through holes on the shell 1, and dust in the air is isolated through the dust screen 3, thereby avoiding dust from entering the measuring instrument body 2 to cause influence, and the pressing plate 19 can be pressed to move downwards, the pressing plate 19 drives the connecting plate 14 to move downwards through the pressing rod 18, the connecting plate 14 drives the clamping plate 15 to move downwards, so that the clamping plate 15 is separated from the contact of the baffle 17, thereby being separated from the fixed connection of the first plate 4 and the second plate 5, because the four compression springs 11 are in the initial compression state, the four compression springs 11 extend after losing pressure and drive the two vertical plates 9 to move to one side far away from each other, the two vertical plates 9 drive the first plate 4 and the second plate 5 to move to one side far away from each other, thereby opening the shell 1, so as to manually operate and debug the measuring instrument body 2, after the operation is finished, the first plate 4 is pushed to slide towards one side close to the second plate 5 by holding the handle 8 by hand, the first plate 4 drives the vertical plate 9 positioned on one side to move towards one side close to the vertical plate 9 on the other side, the vertical plate 9 positioned on one side drives the rack 7 positioned above to transversely slide, and drives the gear 10 to clockwise rotate by meshing with the gear 10, the gear 10 drives the vertical plate 9 positioned on the other side to reversely slide by meshing with the rack 7 positioned below, the two vertical plates 9 drive the first plate 4 and the second plate 5 to move towards one side close to each other, the baffle 17 pushes the connecting plate 14 to move downwards and compress the supporting spring 20 by contacting with the top of the clamping plate 15, when the first plate 4 contacts with the second plate 5, the connecting plate 14 is reset under the elastic action of the supporting spring 20 and drives the clamping plate 15 to move upwards, so that the clamping plate 15 is fixed by the baffle 17, the first plate 4 and the second plate 5 are fixed together, so that the enclosure 1 is closed to ensure the dustproof effect of the measuring instrument body 2.

Claims

1. The measuring instrument with the dustproof function for the construction engineering cost comprises a shell (1) and is characterized in that a measuring instrument body (2) is fixedly mounted on the inner wall of the bottom of the shell (1), through holes are formed in two sides of the shell (1), a dustproof net (3) is fixedly mounted in each of the two through holes, a first plate (4) and a second plate (5) are arranged at the top of the shell (1) in an opening mode and slidably mounted on the top of the shell, a handle (8) is fixedly mounted on one side of the top of the first plate (4), vertical plates (9) are fixedly mounted on the rear sides of the bottoms of the first plate (4) and the second plate (5), one sides of the two vertical plates (9) close to each other are fixedly connected with one ends of racks (7), a gear (10) is rotatably mounted on the inner wall of the rear side of the shell (1), the two racks (7) are meshed with the gear (10), a transverse groove (13) is, sliding mounting has connecting plate (14) in transverse groove (13), and connecting plate (14) top one side fixed mounting has cardboard (15), spread groove (16) have been seted up to first board (4) one side, and fixed mounting has baffle (17) on spread groove (16) top inner wall, cardboard (15) and baffle (17) one side activity butt, the one end of connecting plate (14) top fixedly connected with depression bar (18), the other end fixed mounting of depression bar (18) has clamp plate (19).

2. The construction cost measuring instrument with the dust prevention function according to claim 1, wherein two fixing plates (12) are fixedly installed on the inner wall of the rear side of the housing (1), and the two fixing plates (12) are slidably sleeved on the outer sides of the two racks (7).

3. The instrument for measuring construction costs with dust prevention function according to claim 1, wherein one ends of two compression springs (11) are fixedly connected to one side of each of two vertical plates (9) adjacent to each other, and the other ends of the four compression springs (11) are fixedly connected to the corresponding fixing plates (12), respectively.

4. The construction cost measuring instrument with the dust prevention function as claimed in claim 1, wherein two limiting rods (21) are fixedly connected to the top inner wall and the bottom inner wall of the transverse groove (13), and the connecting plate (14) is slidably fitted over the outer sides of the two limiting rods (21).

5. The construction cost measuring instrument with the dust prevention function according to claim 1, wherein one ends of two supporting springs (20) are fixedly connected to the bottom of the connecting plate (14), and the other ends of the two supporting springs (20) are fixedly connected to the inner wall of the bottom of the transverse groove (13).

6. The measuring instrument for construction cost with dust prevention function according to claim 1, wherein one end of the guide rod (6) is fixedly connected to the inner walls of both sides of the housing (1), and the two vertical plates (9) are respectively sleeved on the outer sides of the corresponding guide rods (6) in a sliding manner.