CN212645709U

CN212645709U - Device convenient to house property survey and drawing

Info

Publication number: CN212645709U
Application number: CN202021718898.3U
Authority: CN
Inventors: 时小惠; 梁回; 王新安; 张宗坤; 王绍进
Original assignee: Zhaoyuan Xinchen Surveying And Mapping Co ltd
Current assignee: Zhaoyuan Xinchen Surveying And Mapping Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-02
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a device convenient to house property survey and drawing, including first backup pad, the gyro wheel is installed to the below of first backup pad, and the internally mounted of gyro wheel has first transmission shaft, first skewed tooth gear is installed on the right side of first transmission shaft, and the outside of first skewed tooth gear installs second skewed tooth gear, the internally mounted of second skewed tooth gear has the second transmission shaft, third skewed tooth gear is installed to the upper end of second transmission shaft, and the outside of third skewed tooth gear installs fourth skewed tooth gear, the internally mounted of fourth skewed tooth gear has the third transmission shaft. This device convenient to house property survey and drawing, first pawl and first ratchet constitute ratchet, and first pawl drives the dead lever and rotates, drives calibrated scale and second pawl and rotates, and then drives the second ratchet and rotate to the purpose of count and convenient house property survey and drawing.

Description

Device convenient to house property survey and drawing

Technical Field

The utility model relates to a relevant technical field of real estate specifically is a device convenient to real estate survey and drawing.

Background

The house property surveying and mapping device is a tool for measuring the size of a house, and obtains data of the house so as to design the house conveniently.

The existing house measurement is generally carried out manually, and the measurement method is not only troublesome and labor-consuming, but also inaccurate in measurement sometimes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device convenient to house property survey and drawing to propose present house measurement in solving above-mentioned background art and generally adopt the manual work to measure, such measuring method not only takes trouble hard, can measure inaccurate problem sometimes moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a device convenient for house property surveying and mapping comprises a first supporting plate, wherein a roller is installed below the first supporting plate, a first transmission shaft is installed inside the roller, a first helical gear is installed on the right side of the first transmission shaft, a second helical gear is installed on the outer side of the first helical gear, a second transmission shaft is installed inside the second helical gear, a third helical gear is installed at the upper end of the second transmission shaft, a fourth helical gear is installed on the outer side of the third helical gear, a third transmission shaft is installed inside the fourth helical gear, a cam is installed at the left end of the second transmission shaft, a push rod is installed on the outer side of the cam, a first spring is installed on the outer side of the push rod, a first connecting rod is installed at the left end of the push rod, a second connecting rod is installed on the left side of the first connecting rod, a first pawl is installed at the left end of the second connecting rod, the dead lever is installed to the lower extreme of second connecting rod, and the right side of dead lever installs the baffle, first ratchet is installed to the below of first pawl, and the left side of first ratchet installs the connecting plate, the telescopic link is installed to the below of connecting plate, and the outside of telescopic link installs the second spring, the folded tube is installed in the outside of second spring, and the below of telescopic link installs the second pawl, the internally mounted of first ratchet has the fourth transmission shaft, and the left end of fourth transmission shaft installs the calibrated scale, the bracing piece is installed to the top of first backup pad, and the upper end of bracing piece installs the second backup pad, the second ratchet is installed to the below of second pawl.

Preferably, the outer side surface of the first helical gear is tightly meshed with the outer side surface of the second helical gear, and the inclination angles of the first helical gear and the second helical gear are both 45 °.

Preferably, the second transmission shaft and the third helical gear are connected in a key connection mode.

Preferably, the lower end of the push rod is tightly attached to the outer side surface of the cam.

Preferably, the angle of inclination of the second connecting rod to the horizontal is 70 °.

Preferably, the second connecting rod is movably connected with the first pawl, and the movable angle of the first pawl is 10 °.

Compared with the prior art, the beneficial effects of the utility model are that: this device convenient to house property survey and drawing, first pawl and first ratchet constitute ratchet, and first pawl drives the dead lever and rotates, drives calibrated scale and second pawl and rotates, and then drives the second ratchet and rotate to the purpose of count and convenient house property survey and drawing.

Drawings

FIG. 1 is a left side view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure, 1, a first supporting plate; 2. a roller; 3. a first drive shaft; 4. a first helical gear; 5. a second helical gear; 6. a second drive shaft; 7. a third helical gear; 28. a fourth helical gear; 8. a third drive shaft; 10. a cam; 11. a push rod; 12. a first spring; 13. a first connecting rod; 14. a second connecting rod; 15. a first pawl; 16. fixing the rod; 17. a baffle plate; 18. a first ratchet wheel; 19. a connecting plate; 20. a telescopic rod; 21. a second spring; 22. folding the tube; 23. a second pawl; 24. a fourth drive shaft; 25. a dial scale; 26. a support bar; 27. a second support plate; 29. a second ratchet.

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. 1-4, the present invention provides a technical solution: the utility model provides a device convenient to house property survey and drawing, includes first backup pad 1, its characterized in that: a roller 2 is installed below the first supporting plate 1, a first transmission shaft 3 is installed inside the roller 2, a first helical gear 4 is installed on the right side of the first transmission shaft 3, a second helical gear 5 is installed on the outer side of the first helical gear 4, a second transmission shaft 6 is installed inside the second helical gear 5, a third helical gear 7 is installed at the upper end of the second transmission shaft 6, a fourth helical gear 28 is installed on the outer side of the third helical gear 7, a third transmission shaft 8 is installed inside the fourth helical gear 28, a cam 10 is installed at the left end of the third transmission shaft 8, a push rod 11 is installed on the outer side of the cam 10, a first spring 12 is installed on the outer side of the push rod 11, a first connecting rod 13 is installed at the left end of the push rod 11, a second connecting rod 14 is installed at the left side of the first connecting rod 13, a first pawl 15 is installed at the left end of the second connecting rod 14, fixing rod 16 is installed to the lower extreme of second connecting rod 14, and baffle 17 is installed on the right side of fixing rod 16, first ratchet 18 is installed to the below of first pawl 15, and connecting plate 19 is installed on the left side of first ratchet 18, telescopic link 20 is installed to the below of connecting plate 19, and second spring 21 is installed in the outside of telescopic link 20, folding tube 22 is installed in the outside of second spring 21, and second pawl 23 is installed to the below of telescopic link 20, the internally mounted of first ratchet 18 has fourth transmission shaft 24, and the left end of fourth transmission shaft 24 installs calibrated scale 25, bracing piece 26 is installed to the top of first backup pad 1, and second backup pad 27 is installed to the upper end of bracing piece 26, second ratchet 29 is installed to the below of second pawl 23.

The outer side surface of the first helical gear 4 is tightly meshed with the outer side surface of the second helical gear 5, and the inclination angles of the first helical gear 4 and the second helical gear 5 are both 45 degrees, so that the control sensitivity of the first helical gear 4 to the second helical gear 5 is ensured.

The second transmission shaft 6 is connected with the third helical gear 7 in a key connection mode, so that the second transmission shaft 6 can more stably drive the third helical gear 7 to rotate.

The lower end of the push rod 11 is tightly attached to the outer side surface of the cam 10, and the control sensitivity of the cam 10 to the push rod 11 is increased.

The angle of inclination of the second connecting rod 14 to the horizontal is 70 °, so that the second connecting rod 14 can drive the first ratchet 18 to rotate.

The second connecting rod 14 is movably connected with the first pawl 15, and the movable angle of the first pawl 15 is 10 degrees, so that the first pawl 15 can be clamped into the second clamping groove when moving.

The working principle is as follows: when the sand box capable of ensuring uniform negative pressure inside is used for casting the lost foam, the second support plate 27 is pushed to drive the roller 2 to roll, the first transmission shaft 3 is driven to rotate, the first helical gear 4 and the second helical gear 5 are driven to rotate, the second helical gear 5 is driven, the second transmission shaft 6 and the third helical gear 7 are driven to rotate, the third transmission shaft 8 is driven to rotate, the cam 10 is driven to rotate, the push rod 11 is further pushed to move up and down, the second connecting rod 14 and the first pawl 15 are driven to move up and down, the first ratchet 18 is driven to rotate, the dial 25 and the second pawl 23 are driven to rotate, when the second pawl 23 meets the baffle 17, the second pawl 23 is moved towards the middle, the second ratchet 29 is driven to rotate, and therefore the purpose of counting so as to facilitate surveying and mapping of the house products is achieved.

It is to be understood that the terms "central," "longitudinal," "lateral," "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 purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

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. A device convenient to house property survey and drawing, includes first backup pad (1), its characterized in that: idler wheel (2) is installed below the first supporting plate (1), a first transmission shaft (3) is installed inside the idler wheel (2), a first helical gear (4) is installed on the right side of the first transmission shaft (3), a second helical gear (5) is installed on the outer side of the first helical gear (4), a second transmission shaft (6) is installed inside the second helical gear (5), a third helical gear (7) is installed at the upper end of the second transmission shaft (6), a fourth helical gear (28) is installed on the outer side of the third helical gear (7), a third transmission shaft (8) is installed inside the fourth helical gear (28), a cam (10) is installed at the left end of the third transmission shaft (8), a push rod (11) is installed on the outer side of the cam (10), and a first spring (12) is installed on the outer side of the push rod (11), a first connecting rod (13) is installed at the left end of the push rod (11), a second connecting rod (14) is installed on the left side of the first connecting rod (13), a first pawl (15) is installed at the left end of the second connecting rod (14), a fixing rod (16) is installed at the lower end of the second connecting rod (14), a baffle (17) is installed on the right side of the fixing rod (16), a first ratchet wheel (18) is installed below the first pawl (15), a connecting plate (19) is installed on the left side of the first ratchet wheel (18), a telescopic rod (20) is installed below the connecting plate (19), a second spring (21) is installed on the outer side of the telescopic rod (20), a folding pipe (22) is installed on the outer side of the second spring (21), a second pawl (23) is installed below the telescopic rod (20), a fourth transmission shaft (24) is installed inside the first ratchet wheel (18), and the left end of fourth transmission shaft (24) installs calibrated scale (25), bracing piece (26) are installed to the top of first backup pad (1), and the upper end of bracing piece (26) installs second backup pad (27), second ratchet (29) are installed to the below of second pawl (23).

2. A device for facilitating property mapping according to claim 1, wherein: the outer side surface of the first helical gear (4) is tightly meshed with the outer side surface of the second helical gear (5), and the inclination angles of the first helical gear (4) and the second helical gear (5) are both 45 degrees.

3. A device for facilitating property mapping according to claim 1, wherein: the second transmission shaft (6) is connected with the third helical gear (7) in a key connection mode.

4. A device for facilitating property mapping according to claim 1, wherein: the lower end of the push rod (11) is tightly attached to the outer side surface of the cam (10).

5. A device for facilitating property mapping according to claim 1, wherein: the inclination angle of the second connecting rod (14) and the horizontal plane is 70 degrees.

6. A device for facilitating property mapping according to claim 1, wherein: the second connecting rod (14) is movably connected with the first pawl (15), and the movable angle of the first pawl (15) is 10 degrees.