CN212672840U

CN212672840U - Engineering drawing measuring device convenient to chucking

Info

Publication number: CN212672840U
Application number: CN202021467905.7U
Authority: CN
Inventors: 逄淑明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-09
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a measuring device is used in engineering drawing convenient to chucking, including the measuring apparatu, measuring apparatu bottom lateral wall passes through adjusting screw fixedly connected with base, the base is disc structure, and the lateral wall of base is even fixedly connected with rectangle lug respectively, the base joint has the sleeve pipe, the sleeve pipe is hollow structure, the first spring of the inboard lateral wall fixedly connected with of sleeve pipe bottom, the circular dog of the other end fixedly connected with of first spring, the annular fender muscle of sheathed tube upper end lateral wall fixedly connected with ring, three rectangle opening has evenly been seted up to one side lateral wall that the sheathed tube upper surface runs through the annular fender muscle. The utility model relates to the technical field of engineering surveying and mapping, a base is clamped in a sleeve through a circular stop block and a first spring arranged in the sleeve, and a measuring instrument is fixed; through the setting of slider, second spring and arc flank of tooth, change the position of slider, rotate the bracing piece, carry out the block to the bracing piece at last, make the bracing piece fixed.

Description

Engineering drawing measuring device convenient to chucking

Technical Field

The utility model relates to an engineering survey and drawing technical field specifically is a measuring device is used in engineering drawing convenient to chucking.

Background

Among the engineering survey, the survey mapping device that uses mostly adopts mount fixed position, carries out measurement through the measuring apparatu, can carry out accurate survey mapping work through cooperation scale structure, and along with the development of technique, also has certain demand to the survey mapping device is measured to the engineering.

In engineering measuring device's use, the chucking that is not convenient for measuring device for engineering drawing is on the support frame, and the rotation angle chucking that is also not convenient for of support frame to influenced engineering drawing and used measuring device's normal use, also reduced engineering drawing with this and used measuring device's work efficiency, also reduced engineering drawing simultaneously and used measuring accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measuring device is used in engineering drawing convenient to chucking to solve the chucking of being not convenient for on the present market that the above-mentioned background art provided for measuring device is used in engineering drawing on the support frame, and the rotation angle of support frame is also not convenient for chucking, thereby influenced the normal use of measuring device is used in engineering drawing, with this work efficiency who has also reduced measuring device is used in engineering drawing, has also reduced measuring device's for engineering drawing measurement accuracy's problem simultaneously.

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

a measuring device convenient for clamping for engineering drawing comprises a measuring instrument, wherein the side wall of the bottom of the measuring instrument is fixedly connected with a base through an adjusting screw rod, the base is of a disc-shaped structure, the side walls of the base are respectively and uniformly and fixedly connected with a rectangular convex block, the base is clamped with a sleeve, the sleeve is of a hollow structure, the side wall of the inner side of the bottom of the sleeve is fixedly connected with a first spring, the other end of the first spring is fixedly connected with a circular stop block, the side wall of the upper end of the sleeve is fixedly connected with an annular stop rib, the upper surface of the sleeve penetrates through the side wall of one side of the annular stop rib and is uniformly provided with three rectangular openings, the side wall of the bottom of the sleeve is uniformly and fixedly connected with a connecting block, a strip-shaped opening is arranged at the middle position of the connecting, the upper surface of slider fixedly connected with second spring, the other end and the open-ended upside lateral wall of bar of second spring offset, the connecting block rotates through the pivot and is connected with the bracing piece, the one end of bracing piece is arc flank of tooth structure, and the arc flank of tooth offsets with the lower surface of slider.

Preferably, the upper surface of the rectangular bump is lower than the upper surface of the base.

Preferably, the diameter of the circular stop block is larger than the distance between the annular stop ribs at the upper end of the sleeve.

Preferably, the size of the rectangular opening is matched with the size of the rectangular bump.

Preferably, the distance from the side wall of the bottom of the inner side of the sleeve to the lower surface of the annular blocking rib is equal to the sum of the thicknesses of the circular blocking block and the rectangular bump.

Preferably, the diameter of the base matches the diameter of the inside sidewall of the sleeve.

Preferably, the side walls of the rectangular opening are flush with the inside side walls of the sleeve.

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

1. the base of the measuring instrument is placed at the upper end of the sleeve through the arrangement of the measuring instrument, the base, the sleeve, the rectangular convex block, the circular stop block, the first spring, the stop rib and other components, the rectangular opening matched with the rectangular convex block arranged on the upper surface of the sleeve is found according to the rectangular convex block on the base, the base is inserted into the sleeve, the circular stop block is reduced in pressure, the first spring fixedly connected with the side wall of the lower side of the circular stop block is compressed, the base is rotated, the rectangular convex block is staggered with the rectangular opening, the elastic force of the first spring props against the circular stop block, the base is clamped in the sleeve, and the measuring instrument is clamped;

2. through the connecting block, the bracing piece, the second spring, the slider, the setting of subassembly such as arc flank of tooth and spout, upwards slide the slider in the spout, second spring compression with fixed surface connection on the slider, slider and the separation of the arc flank of tooth of upper end of the support bar this moment, rotate the bracing piece of being connected through the pivot rotation with the connecting block, treat to adjust the required pivoted angle of bracing piece after, loosen the slider, the second spring loses pressure recovery elasticity, promote the slider downwards, because the flute profile has been seted up to the slider lower surface, so slider and the arc flank of tooth looks block of upper end of the support bar, it is fixed to carry out the chucking to the bracing piece.

Drawings

Fig. 1 is a schematic structural diagram of a measuring device for engineering drawing convenient for clamping according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a measuring device for engineering drawing convenient for clamping according to the present invention;

fig. 3 is a schematic structural diagram of a casing of the measuring device for engineering drawing convenient for clamping according to the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 1.

In the figure: 1. a measuring instrument; 2. a base; 3. adjusting the screw rod; 4. a sleeve; 5. a support bar; 6. connecting blocks; 7. a rectangular bump; 8. a first spring; 9. a second spring; 10. a slider; 11. an arcuate tooth surface; 12. an annular blocking rib; 13. a circular stopper; 14. a rectangular opening; 15. a chute.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a measuring device for engineering drawing convenient for clamping comprises a measuring instrument 1, wherein the bottom side wall of the measuring instrument 1 is fixedly connected with a base 2 through an adjusting screw 3, the diameter of the base 2 is matched with the diameter of the inner side wall of a sleeve 4 to prevent the base 2 from moving in the sleeve 4, the base 2 is of a disc-shaped structure, the side walls of the base 2 are respectively and uniformly and fixedly connected with a rectangular bump 7, the upper surface of the rectangular bump 7 is lower than the upper surface of the base 2 to facilitate clamping of the base 2, the base 2 is clamped with a sleeve 4, the distance from the inner side bottom side wall of the sleeve 4 to the lower surface of an annular blocking rib 12 is equal to the sum of the thicknesses of a circular stop block 13 and the rectangular bump 7 to facilitate fixing of the base 2, the sleeve 4 is of a hollow structure, the inner side wall of the bottom of the sleeve 4 is, the diameter of the circular stop block 13 is larger than the distance between the annular blocking ribs 12 at the upper end of the sleeve 4, the circular stop block 13 is prevented from falling off, the annular blocking ribs 12 are fixedly connected to the side wall at the upper end of the sleeve 4, three rectangular openings 14 are uniformly formed in the side wall, penetrating through the annular blocking ribs 12, of the upper surface of the sleeve 4, the side walls of the rectangular openings 14 are flush with the side wall at the inner side of the sleeve 4, so that the sleeve 4 can be conveniently pulled out by the rectangular bumps 7, the size of the rectangular openings 14 is matched with the size of the rectangular bumps 7, so that the rectangular bumps 7 can be conveniently inserted into the sleeve 4, the side wall at the bottom of the sleeve 4 is uniformly and fixedly connected with the connecting block 6, a strip-shaped opening is formed in the middle position of the connecting block 6, sliding grooves 15 are respectively formed in the side walls at the two sides of the strip-shaped opening, the sliding grooves 10 are slidably, the connecting block 6 is rotatably connected with a supporting rod 5 through a rotating shaft, one end of the supporting rod 5 is of an arc-shaped tooth surface 11 structure, and the arc-shaped tooth surface 11 is abutted to the lower surface of the sliding block 10.

In the utility model, firstly, a measurer places the base 2 of the measuring instrument 1 on the upper end of the sleeve 4, finds the rectangular opening 14 matched with the upper surface of the sleeve 4 according to the rectangular bump 7 on the base 2, inserts the base 2 into the sleeve 4, the circular stop 13 is reduced in pressure, the first spring 8 fixedly connected with the side wall of the lower side of the circular stop 13 is compressed, the base 2 is rotated to make the rectangular bump 7 staggered with the rectangular opening 14, the elastic force of the first spring 8 supports against the circular stop 13, the base 2 is clamped in the sleeve 4, and the clamping and fixing of the measuring instrument 1 are realized; slide block 10 upwards slides in chute 15, the second spring 9 compression of being connected with slide block 10 upper surface fixed, slide block 10 separates with the arc flank of tooth 11 of bracing piece 5 upper end this moment, rotate the bracing piece 5 of being connected through the pivot rotation with connecting block 6, treat that to adjust the bracing piece 5 angle that needs the pivoted, unclamp slide block 10, second spring 9 loses pressure and resumes elasticity, promote slide block 10 downwards, because the tooth-shaped groove has been seted up to slide block 10 lower surface, with slide block 10 and the arc flank of tooth 11 looks block of bracing piece 5 upper end, it is fixed to carry out the chucking to bracing piece 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The measuring device convenient for clamping for engineering drawing comprises a measuring instrument (1) and is characterized in that the bottom side wall of the measuring instrument (1) is fixedly connected with a base (2) through an adjusting screw rod (3), the base (2) is of a disc-shaped structure, the side wall of the base (2) is respectively and uniformly and fixedly connected with a rectangular lug (7), the base (2) is connected with a sleeve (4) in a clamping manner, the sleeve (4) is of a hollow structure, the inner side wall of the bottom of the sleeve (4) is fixedly connected with a first spring (8), the other end of the first spring (8) is fixedly connected with a circular stop block (13), the upper end side wall of the sleeve (4) is fixedly connected with an annular stop rib (12), three rectangular openings (14) are uniformly formed in one side wall, penetrating through the annular stop rib (12), of the upper surface of the sleeve (4), and a connecting block (6) is uniformly and fixedly connected with, the utility model discloses a bearing support of a motor vehicle, including connecting block (6), spout (15) sliding connection have slider (10), the flute profile groove has been seted up to the lower surface of slider (10), the last fixed surface of slider (10) is connected with second spring (9), the other end and the open-ended upside lateral wall of bar of second spring (9) offset, connecting block (6) rotate through the pivot and are connected with bracing piece (5), the one end of bracing piece (5) is arc flank of tooth (11) structure, and arc flank of tooth (11) offsets with the lower surface of slider (10).

2. An easy-to-grip engineering drawing measuring device according to claim 1, characterized in that the upper surface of the rectangular projection (7) is lower than the upper surface of the base (2).

3. An easy-to-clamp engineering drawing measuring device according to claim 1, characterized in that the diameter of the circular stop (13) is greater than the distance between the annular ribs (12) at the upper end of the sleeve (4).

4. A holder-facilitating engineering drawing measuring device according to claim 1, characterized in that the size of the rectangular opening (14) matches the size of the rectangular protrusion (7).

5. An easy-to-clamp engineering drawing measuring device according to claim 1, characterized in that the distance from the inside bottom side wall of the sleeve (4) to the lower surface of the annular stop rib (12) is equal to the sum of the thicknesses of the circular stop (13) and the rectangular projection (7).

6. An easy-to-grip engineering drawing measuring device according to claim 1, characterized in that the diameter of the base (2) matches the diameter of the inside side wall of the sleeve (4).

7. A holder-facilitated engineering drawing measuring device according to claim 1, characterized in that the side walls of the rectangular opening (14) are flush with the inside side walls of the sleeve (4).