CN210952795U

CN210952795U - Alignment measuring tower ruler for city planning

Info

Publication number: CN210952795U
Application number: CN202020087616.8U
Authority: CN
Inventors: 姚淑霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-07-07
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a sopwith staff is measured to alignment that city planning was used belongs to city planning apparatus technical field. A layout measuring sliding staff for city planning comprises a ruler sleeve A and a ruler sleeve B, wherein the ruler sleeve B is sleeved on the inner side of the ruler sleeve A, a through groove is formed in the outer wall of the upper end of the ruler sleeve A, a locking mechanism is arranged at the outer end of the through groove, and the inner end of the locking mechanism penetrates through the inside of the through groove, extends to the inner side of the ruler sleeve A and is in tight friction contact with the outer wall of the ruler sleeve B; the utility model discloses an adopt the jump ring to improve the operation mode that every section sopwith staff taken out among the prior art carries out fixing, when having avoided the later stage use, the jump ring has wearing and tearing at long-time pull in-process, leads to having the problem of certain error, the utility model discloses not only easy and simple to handle, it is fixed firm, and wearing and tearing are lower, are favorable to prolonging the life of sopwith staff.

Description

Alignment measuring tower ruler for city planning

Technical Field

The utility model relates to a city planning apparatus technical field, more specifically say, relate to a sopwith staff is measured to alignment that city planning used.

Background

The sopwith staff is one kind of leveling rod. Early leveling rods are mostly made of wood, are heavy and limited in length (generally 2m), and are inconvenient to carry during measurement. The height measuring instrument is made of light high-strength materials such as aluminum alloy and the like gradually, is in a tower type shrinkage form, is convenient to draw out when in use, has a greatly improved single-time elevation measurement range, is generally 5m in length, can be shrunk when being carried, and is often called as a tower ruler because the shape of the height measuring instrument is similar to the tower shape.

The existing tower ruler is mostly of a rectangular drawing type structure, a clamp spring is popped out when a tower ruler is drawn for one time, the clamp spring is abraded in the long-time drawing process, and when the tower ruler is used in the later period, a certain error exists in the tower ruler.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a sopwith staff is measured to alignment that city planning was used to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A layout measuring sliding staff for city planning comprises a ruler sleeve A and a ruler sleeve B, wherein the ruler sleeve B is sleeved on the inner side of the ruler sleeve A, a through groove is formed in the outer wall of the upper end of the ruler sleeve A, a locking mechanism is arranged at the outer end of the through groove, and the inner end of the locking mechanism penetrates through the inside of the through groove, extends to the inner side of the ruler sleeve A and is in tight friction contact with the outer wall of the ruler sleeve B;

locking mechanism is including welding in the mount pad of lining up the groove outer end, set up the installation cavity in the mount pad, be equipped with in the installation cavity and compress tightly the subassembly.

Preferably, the position of the inner wall of the ruler sleeve A, which is opposite to the lower part of the through groove, is provided with a limiting groove, the outer wall of the lower end of the ruler sleeve B is provided with a limiting bulge integrally formed with the ruler sleeve B, and the outer side of the limiting bulge is in sliding fit with the inner side of the limiting groove.

Preferably, compress tightly the subassembly including locating the inside tooth post A of installation cavity, tooth post A is outer end hollow cylinder structure, and two guide slots have been seted up to tooth post A outer end symmetry, just tooth post A outside terminal surface personally submits annular equidistant a plurality of tooth's socket A of having seted up, tooth's socket A is right angle triangular groove, and a plurality of tooth's socket A is end to end structure and arranges.

Preferably, a tooth column B is arranged on the outer side of the tooth column a, the tooth column B is of a cylindrical structure with a hollow inner end, two guide pillars are welded at positions, opposite to the guide grooves, of the inner end of the tooth column B in a one-to-one correspondence manner, a plurality of tooth sockets B are annularly and equidistantly formed in the inner end of the tooth column B, the tooth sockets B are equilateral triangular grooves, and the tooth sockets B are arranged in an end-to-end connection structure.

Preferably, the tooth spaces B and the tooth spaces A are arranged in a staggered mode, and the tooth surfaces of the tooth spaces B are in sliding fit with the tooth surfaces of the tooth spaces A.

Preferably, the guide post is in insertion fit with the guide groove, an inclined plane is arranged at the outer end of the guide post, and the inclined plane is in sliding fit with the tooth surface of the tooth socket A.

Preferably, the compressing assembly further comprises a pressing block arranged on the outer side of the mounting seat, a connecting column is welded at the inner end of the pressing block, the inner end of the connecting column penetrates through the outer wall of the mounting seat, extends into the mounting cavity and is tightly welded with the outer wall of the toothed column B, a guide ring is sleeved in the middle of the connecting column, and the guide ring is embedded in an interlayer at the outer end of the mounting seat.

Preferably, the pressing assembly further comprises a pressing plate arranged on the inner side of the through groove, a rubber pad is embedded in the pressing plate, the inner wall of the rubber pad is in friction contact with the outer wall of the ruler sleeve B, a buffering rod is arranged on the outer wall of the pressing plate, and the buffering rod penetrates through the inner end of the mounting seat.

Preferably, the buffer rod comprises a guide sleeve welded on the inner wall of the tooth column A, a guide rod welded on the outer wall of the pressing plate and a spring sleeved on the outer side of the guide sleeve, and the spring is limited in an interlayer at the inner end of the mounting seat.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an adopt the jump ring to improve the operation mode that every section sopwith staff taken out among the prior art carries out fixing, when having avoided the later stage use, the jump ring has wearing and tearing at long-time pull in-process, leads to having the problem of certain error, the utility model discloses not only easy and simple to handle, it is fixed firm, and wearing and tearing are lower, are favorable to prolonging the life of sopwith staff.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic cross-sectional view of the mounting base of the present invention;

fig. 4 is a schematic diagram of the outer side of the compressing assembly of the present invention;

fig. 5 is a schematic view of the structure of the pressing assembly according to the present invention;

FIG. 6 is a schematic view of the connection structure of the tooth post A and the tooth post B of the present invention;

the reference numbers in the figures illustrate: 1. a ruler sleeve A; 2. a ruler sleeve B; 101. a through groove; 102. a limiting groove; 201. a limiting bulge; 3. a locking mechanism; 301. a mounting seat; 302. a mounting cavity; 4. a compression assembly; 401. a tooth column A; 402. a guide groove; 403. a tooth socket A; 404. a tooth column B; 405. a guide post; 406. a tooth socket B; 407. a bevel; 408. briquetting; 409. connecting columns; 410. a guide ring; 411. pressing a plate; 412. a rubber pad; 413. a buffer rod; 414. a guide sleeve; 415. a guide bar; 416. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution:

a layout measuring sliding staff for city planning comprises a staff sleeve A1 and a staff sleeve B2, wherein a staff sleeve B2 is sleeved on the inner side of the staff sleeve A1, the outer wall of the upper end of the staff sleeve A1 is provided with a through groove 101, the outer end of the through groove 101 is provided with a locking mechanism 3, and the inner end of the locking mechanism 3 penetrates through the inside of the through groove 101 to extend to the inner side of the staff sleeve A1 and is in tight frictional contact with the outer wall of the staff sleeve B2;

locking mechanism 3 is including welding in mount pad 301 of linking through groove 101 outer end, has seted up installation cavity 302 in mount pad 301, is equipped with in the installation cavity 302 and compresses tightly subassembly 4.

Specifically, a limiting groove 102 is formed in the position, opposite to the lower portion of the through groove 101, of the inner wall of the ruler sleeve A1, a limiting protrusion 201 integrally formed with the ruler sleeve B2 is arranged on the outer wall of the lower end of the ruler sleeve B2, and the outer side of the limiting protrusion 201 is in sliding fit with the inner side of the limiting groove 102. The utility model discloses a be equipped with spacing arch 201 in the chi cover B2 lower extreme outside, utilize spacing arch 201 to slide in the spacing groove 102 of chi cover A1 to avoid chi cover B2 to be pulled out chi cover A1.

Further, compress tightly subassembly 4 including locating the inside tooth post A401 of installation cavity 302, tooth post A401 is the hollow cylinder structure in outer end to two guide slots 402 have been seted up to the symmetry in tooth post A401 outer end, and tooth post A401 outside end personally submits the annular equidistant a plurality of tooth's socket A403 of having seted up, and tooth's socket A403 is the right angle triangle groove, and a plurality of tooth's socket A403 are end to end structural arrangement.

Further, a tooth column B404 is arranged on the outer side of the tooth column A401, the tooth column B404 is of a hollow cylindrical structure with the inner end, two guide pillars 405 are welded on the inner end of the tooth column B404 in a one-to-one correspondence mode relative to the position of the guide groove 402, a plurality of tooth sockets B406 are formed in the inner end of the tooth column B404 at equal intervals in an annular mode, the tooth sockets B406 are equilateral triangular grooves, and the tooth sockets B406 are arranged in an end-to-end connection mode.

Further, the plurality of tooth spaces B406 and the plurality of tooth spaces A403 are arranged in a staggered manner, and the tooth surfaces of the tooth spaces B406 are in sliding fit with the tooth surfaces of the tooth spaces A403.

Furthermore, the guide post 405 is inserted into the guide slot 402, and an inclined plane 407 is formed at the outer end of the guide post 405, and the inclined plane 407 is slidably engaged with the tooth surface of the tooth space a 403.

It is worth to say that, the pressing assembly 4 further includes a pressing block 408 arranged on the outer side of the mounting seat 301, the inner end of the pressing block 408 is welded with a connecting column 409, the inner end of the connecting column 409 penetrates through the outer wall of the mounting seat 301, extends into the mounting cavity 302 and is tightly welded with the outer wall of the tooth column B404, the middle part of the connecting column 409 is sleeved with a guide ring 410, and the guide ring 410 is embedded in an interlayer at the outer end of the mounting seat 301.

It should be noted that the pressing assembly 4 further includes a pressing plate 411 disposed inside the through slot 101, a rubber pad 412 is embedded inside the pressing plate 411, an inner wall of the rubber pad 412 is in frictional contact with an outer wall of the ruler cover B2, a buffer rod 413 is disposed on an outer wall of the pressing plate 411, and the buffer rod 413 penetrates through an inner end of the mounting base 301.

In addition, the buffer rod 413 includes a guide sleeve 414 welded to the inner wall of the tooth column a401, a guide rod 415 welded to the outer wall of the pressing plate 411, and a spring 416 sleeved outside the guide sleeve 414, wherein the spring 416 is limited in the interlayer of the inner end of the mounting base 301.

The working principle is as follows: the ruler sleeve B2 is pulled out upwards from the inner side of the ruler sleeve A1 until the limiting protrusion 201 at the lower end of the ruler sleeve B2 slides to the upper end of the limiting groove 102, the pressing plate 411 is pressed, the pressing plate 411 pushes the connecting column 409, the connecting column 409 slides in the guide ring 410, the inner end of the connecting column 409 pushes the tooth column B404 at the moment, the tooth socket B406 at the inner end of the tooth column B404 presses the tooth column A401 along the axial direction, in the process, the tooth column B404 is not completely meshed with the tooth column A401, only the tooth tip is meshed with one part, after the tooth column A401 pushes and slides out of the guide groove in the tooth socket B406, the teeth of the tooth column A401 slide along the inclined plane of the teeth of the meshed tooth socket B406 under the action of the spring 416, so that the tooth column A rotates by an angle under the action of the inclined plane and slides to the other side, the guide column 405 withdraws from the guide groove 402 and slides into the tooth socket A403 through the inclined plane 407, and the rubber pad 412 which is not originally in contact with the rubber pad 2 tightly because of the, the pulled-out tape B2 is thereby fixed by friction. The sliding staff is pressed to be sequentially locked and pulled out, and then the sliding staff is pressed to be sequentially loosened and pulled out.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a set-line measurement sopwith staff that city planning was used, includes ruler cover A (1) and ruler cover B (2), its characterized in that: the ruler sleeve B (2) is sleeved on the inner side of the ruler sleeve A (1), a through groove (101) is formed in the outer wall of the upper end of the ruler sleeve A (1), a locking mechanism (3) is arranged at the outer end of the through groove (101), and the inner end of the locking mechanism (3) penetrates through the inside of the through groove (101) to extend to the inner side of the ruler sleeve A (1) and is in close friction contact with the outer wall of the ruler sleeve B (2);

locking mechanism (3) including weld in mount pad (301) of linking through groove (101) outer end, install cavity (302) have been seted up in mount pad (301), be equipped with in install cavity (302) and compress tightly subassembly (4).

2. A line-defining measuring tower ruler for city planning according to claim 1, wherein: the ruler sleeve A (1) is provided with a limiting groove (102) in the position, opposite to the position below the through groove (101), of the inner wall, the outer wall of the lower end of the ruler sleeve B (2) is provided with a limiting protrusion (201) integrally formed with the ruler sleeve B, and the outer side of the limiting protrusion (201) is in sliding fit with the inner side of the limiting groove (102).

3. A line-defining measuring tower ruler for city planning according to claim 1, wherein: compress tightly subassembly (4) including locating inside tooth post A (401) of installation cavity (302), tooth post A (401) are outer end hollow cylinder structure, and two guide slots (402) have been seted up to tooth post A (401) outer end symmetry, just tooth post A (401) outside end is personally submitted the annular equidistant a plurality of tooth's socket A (403) of having seted up, tooth's socket A (403) are right angle triangle groove, and a plurality of tooth's socket A (403) are end to end structural arrangement.

4. A line-defining measuring tower ruler for city planning according to claim 3, wherein: tooth post B (404) is equipped with in tooth post A (401) outside, tooth post B (404) are inner hollow cylinder structure, and the position one-to-one welding of the relative guide slot (402) in tooth post B (404) inner has two guide pillars (405), and tooth post B (404) inner is the annular equidistant a plurality of tooth's socket B (406) of having seted up, tooth's socket B (406) are equilateral triangle groove, and a plurality of tooth's socket B (406) are end to end connection structure and arrange.

5. The alignment measuring sliding staff for city planning according to claim 4, wherein: the tooth spaces B (406) and the tooth spaces A (403) are arranged in a staggered mode, and the tooth surfaces of the tooth spaces B (406) are in sliding fit with the tooth surfaces of the tooth spaces A (403).

6. The alignment measuring sliding staff for city planning according to claim 5, wherein: the guide post (405) is in plug fit with the guide groove (402), an inclined plane (407) is arranged at the outer end of the guide post (405), and the inclined plane (407) is in sliding fit with the tooth surface of the tooth groove A (403).

7. The alignment measuring sliding staff for city planning according to claim 6, wherein: compress tightly subassembly (4) still including locating briquetting (408) in mount pad (301) outside, briquetting (408) inner welding has spliced pole (409), spliced pole (409) inner pass mount pad (301) outer wall extend to installation cavity (302) in and closely weld with tooth post B (404) outer wall, guide ring (410) have been cup jointed at spliced pole (409) middle part, guide ring (410) inlay and locate in mount pad (301) outer end intermediate layer.

8. A line-defining measuring tower ruler for city planning according to claim 7, wherein: compress tightly subassembly (4) still including locating clamp plate (411) that link up groove (101) inboard, clamp plate (411) inboard is inlayed and is equipped with rubber pad (412), rubber pad (412) inner wall and chi cover B (2) outer wall frictional contact, clamp plate (411) outer wall is equipped with buffer beam (413), buffer beam (413) run through mount pad (301) inner.

9. A line-defining measuring tower ruler for city planning according to claim 8, wherein: the buffer rod (413) comprises a guide sleeve (414) welded on the inner wall of the tooth column A (401), a guide rod (415) welded on the outer wall of the pressing plate (411) and a spring (416) sleeved on the outer side of the guide sleeve (414), and the spring (416) is limited in an inner end interlayer of the mounting seat (301).