CN217686940U

CN217686940U - Hand propelled range finding wheel with safeguard function

Info

Publication number: CN217686940U
Application number: CN202221258925.2U
Authority: CN
Inventors: 张少程
Original assignee: Hebei Shengda Surveying And Mapping Tools Co ltd
Current assignee: Hebei Shengda Surveying And Mapping Tools Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-10-28
Anticipated expiration: 2032-05-24

Abstract

The utility model belongs to the technical field of the range finding wheel, especially, hand propelled range finding wheel with safeguard function, which comprises a base, the one end of base is rotated and is connected with the wheel, the top fixedly connected with push rod of base, the outer wall middle part of push rod is fixed with the locating rack, the outer wall of locating rack rotates and is connected with two bracing pieces, the inside below of bracing piece is connected with the supporting leg, the bottom fixed mounting of supporting leg has the supporting legs, the outer wall cover of push rod has spacing, spacing outer wall rotates and is connected with two connecting rods, spacing top is fixed with the cross, the inside lateral sliding of cross is connected with first compel tight piece and second compel tight piece, the inside cross is close to the one end sliding connection of second compel tight piece and is had the circle piece, the outer wall threaded connection who is close to circle piece one end of cross has the knob, it is generally less to have solved present support frame, the support range finding wheel that can not stabilize is put, and the push rod of range finding wheel can not swiftly adjust the problem of length.

Description

Hand-push type distance measuring wheel with protection function

Technical Field

The utility model belongs to the technical field of the range finding wheel, concretely relates to hand propelled range finding wheel with safeguard function.

Background

The distance measuring wheel is a device for measuring the distance on the ground, is often used for measuring the length of a brake mark on the site of a traffic accident or is used in various fields of road marking engineering, such as pipeline arrangement, land measurement, building engineering, indoor decoration and the like, and can be generally divided into a distance measuring wheel with a single rotating wheel and a distance measuring wheel with double rotating wheels; in view of the problems exposed during the use of the current distance measuring wheel, it is necessary to improve and optimize the structure of the distance measuring wheel.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a hand propelled range finding wheel with safeguard function has the stability that improves the support frame when putting range finding wheel is whole, and but the push rod quick adjustment and the characteristics of regular length.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hand propelled range finding wheel with safeguard function, includes the base, the one end of base is rotated and is connected with the wheel, the top fixedly connected with push rod of base, the outer wall middle part of push rod is fixed with the locating rack, the outer wall of locating rack rotates and is connected with two bracing pieces, the inside below of bracing piece is connected with the supporting leg, the bottom fixed mounting of supporting leg has the supporting legs, the outer wall cover of push rod has spacing, the outer wall of spacing rotates and is connected with two connecting rods, and the other end of connecting rod rotates with the lower extreme outer wall of bracing piece to be connected, the top of spacing is fixed with the cross, the inside lateral sliding of cross is connected with first compels tight piece and second compels tight piece, the inside one end sliding connection who is close to the second compels tight piece of cross has the circle piece, the outer wall threaded connection who is close to circle piece one end of cross has the knob, the inside top sliding connection of push rod has interior pole.

As the utility model discloses a preferred technical scheme of hand propelled range finding wheel with safeguard function, a plurality of align to grid's locating hole is seted up to the outer wall of push rod, some spacing holes are seted up to the outer wall below of interior pole, the inner wall below fixedly connected with shell fragment of interior pole, the one end surface of shell fragment is equipped with the lug.

As the utility model discloses a preferred technical scheme of hand propelled range finding wheel with safeguard function, spacing is linked together with the inside of cross, and all overlaps at the outer wall of push rod, with push rod sliding connection.

As the utility model discloses a hand propelled range finding wheel preferred technical scheme with safeguard function, the arc recess has all been seted up to the opposite face that first compels tight piece and second compel tight piece.

As the utility model discloses a hand propelled range finding wheel preferred technical scheme with safeguard function, first compel tight piece and second compel the arc recess surface of tight piece to be dull polish structure.

As the utility model discloses a preferred technical scheme of hand propelled range finding wheel with safeguard function, the surface mounting of supporting legs has the rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the limiting frame is driven to synchronously move by sliding the cross pipe upwards, the limiting frame drives the supporting rod to turn inwards through the connecting rod, and then the supporting rod is folded, so that the carrying is convenient; the cross pipe that slides down drives spacing synchronous motion, and spacing drives the outside upset of bracing piece through the connecting rod, and then expandes the bracing piece, supports when putting whole to the range finding wheel, and screws up the knob through the rotation for the knob promotes the round piece and extrudees the second and compels tight piece, and the first piece that compels of second compels tight piece cooperation carries out the centre gripping to the outer wall of push rod fixed, and then fixes the rotation angle of bracing piece.

Through pressing lug extrusion shell fragment for the lug breaks away from the locating hole and receives in spacing downthehole portion, and then can pull interior pole regulation length, when pole makes next locating hole align with spacing aperture in the pulling, the pressure that kick-backs through the shell fragment drives inside the lug inserts the locating hole, and then fixes the length that interior pole extends from the push rod is inside, and the quick adjustment length of being convenient for is fixed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of a cross pipe according to the present invention;

FIG. 3 is a schematic cross-sectional view of the cross-shaped pipe of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of the middle push rod of the present invention;

in the figure: 1. a base; 2. a wheel; 3. a push rod; 4. a positioning frame; 5. a support bar; 6. supporting legs; 7. supporting legs; 8. a limiting frame; 9. a connecting rod; 10. a cross pipe; 11. a first packing block; 12. a second packing block; 13. a knob; 14. a round block; 15. an inner rod; 16. positioning holes; 17. a limiting hole; 18. a spring plate; 19. and (6) a bump.

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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a hand propelled range finding wheel with safeguard function, which comprises a base 1, the one end of base 1 is rotated and is connected with wheel 2, the top fixedly connected with push rod 3 of base 1, the outer wall middle part of push rod 3 is fixed with locating rack 4, the outer wall of locating rack 4 rotates and is connected with two bracing pieces 5, the inside below of bracing piece 5 is connected with supporting leg 6, the bottom fixed mounting of supporting leg 6 has supporting legs 7, the outer wall cover of push rod 3 has spacing 8, the outer wall of spacing 8 rotates and is connected with two connecting rods 9, and the other end of connecting rod 9 rotates with the lower extreme outer wall of bracing piece 5 to be connected, the top of spacing 8 is fixed with cross 10, the inside horizontal sliding connection of cross 10 has first compelling piece 11 and second compelling piece 12, the inside one end sliding connection that is close to second compelling piece 12 of cross 10 has circle piece 14, the outer wall that is close to circle 14 one end of cross 10 has knob 13, inside top sliding connection of push rod 3 has interior pole 15, in this embodiment, through rotatory loosening knob 13, make the inside second compelling piece 12 and the tight piece of the push rod that the outer wall of the push rod pushes away the fixed clamp 12, the outer wall of cross 3 pushes away the outer wall of the movable clamp piece that the cross 12, the outer wall of the push rod 13 passes through the rotatory tight piece that the clamp 12 of the clamp that the cross 12 pushes up.

Specifically, a plurality of align to grid's locating hole 16 is seted up to the outer wall of push rod 3, some spacing holes 17 are seted up to interior pole 15's outer wall below, the inner wall below fixedly connected with shell fragment 18 of interior pole 15, the one end surface of shell fragment 18 is equipped with lug 19, extrude shell fragment 18 through pressing lug 19 in this embodiment, make lug 19 break away from locating hole 16 and receive inside spacing hole 17, and then can pull interior pole 15 and adjust length, when pole 15 makes next locating hole 16 align with spacing hole 17 in the pulling, the pressure that kick-backs through shell fragment 18 drives lug 19 and inserts inside locating hole 16, and then fix the length that interior pole 15 extends from push rod 3 inside.

Specifically, the limiting frame 8 is communicated with the inside of the cross pipe 10, sleeved on the outer wall of the push rod 3 and connected with the push rod 3 in a sliding manner, in the embodiment, the cross pipe 10 slides upwards to drive the limiting frame 8 to move synchronously, the limiting frame 8 drives the support rod 5 to turn inwards through the connecting rod 9, and then the support rod 5 is folded, so that the carrying is convenient; the downward sliding cross tube 10 drives the limiting frame 8 to move synchronously, the limiting frame 8 drives the supporting rod 5 to turn outwards through the connecting rod 9, and then the supporting rod 5 is unfolded to support the whole ranging wheel when being placed.

Specifically, the arc recess has all been seted up to the opposite face that first compel tight piece 11 and second compel tight piece 12, makes first compel tight piece 11 and second compel tight piece 12 centre gripping during fixed push rod 3 in this embodiment, laminates mutually with the outer wall of push rod 3, increase area of contact.

Specifically, the arc groove surface of the first packing block 11 and the second packing block 12 is of a frosted structure, friction when the first packing block 11 and the second packing block 12 clamp the push rod 3 is increased in the embodiment, and clamping is more fastened.

Specifically, the surface mounting of supporting legs 7 has the rubber sleeve, skids when avoiding supporting in this embodiment.

The utility model discloses a theory of operation and use flow: by rotating the unscrewing knob 13, the second tightening block 12 and the round block 14 in the cross tube 10 can move in a small range, and the cross tube 10 can slide along the outer wall of the push rod 3; the upwards sliding cross tube 10 drives the limiting frame 8 to move synchronously, the limiting frame 8 drives the supporting rod 5 to turn inwards through the connecting rod 9, and then the supporting rod 5 is folded, so that the carrying is convenient; the cross pipe 10 that slides down drives 8 synchronous motion on spacing, spacing 8 drives bracing piece 5 through connecting rod 9 and outwards overturns, and then expandes bracing piece 5, support when putting whole the putting of range finding wheel, knob 13 is screwed up in the rethread rotation, make knob 13 promote round block 14 extrusion second compel tight piece 12, second compel tight piece 12 cooperates first compel tight piece 11 to carry out the centre gripping to the outer wall of push rod 3 fixed, and then fix the rotation angle of bracing piece 5.

The elastic sheet 18 is extruded by pressing the convex block 19, so that the convex block 19 is separated from the positioning hole 16 and is retracted into the limiting hole 17, the inner rod 15 can be pulled to adjust the length, when the inner rod 15 is pulled to enable the next positioning hole 16 to be aligned with the limiting hole 17, the convex block 19 is driven to be inserted into the positioning hole 16 through the resilience pressure of the elastic sheet 18, and the length of the inner rod 15 extending out of the push rod 3 is fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hand propelled range finding wheel with safeguard function, includes base (1), its characterized in that: the utility model discloses a cross pipe, including base (1), top fixedly connected with push rod (3) of base (1), the outer wall middle part of push rod (3) is fixed with locating rack (4), the outer wall of locating rack (4) rotates and is connected with two bracing pieces (5), the inside below of bracing piece (5) is connected with supporting leg (6), the bottom fixed mounting of supporting leg (6) has supporting legs (7), the outer wall cover of push rod (3) has spacing (8), the outer wall of spacing (8) rotates and is connected with two connecting rods (9), and the other end of connecting rod (9) rotates with the lower extreme outer wall of bracing piece (5) and is connected, the top of spacing (8) is fixed with cross pipe (10), the inside transverse sliding connection of cross pipe (10) has first compelling tight piece (11) and second compelling tight piece (12), the inside one end sliding connection who is close to second tight piece (12) of cross pipe (10) has round piece (14), the outer wall connection who is close to round piece (14) one end of cross pipe (10) has interior pole (13), the inside sliding connection of push rod (15) of knob (3).

2. The hand-push type distance measuring wheel with the protection function as claimed in claim 1, characterized in that: the outer wall of the push rod (3) is provided with a plurality of uniformly arranged positioning holes (16), a limiting hole (17) is formed below the outer wall of the inner rod (15), an elastic sheet (18) is fixedly connected below the inner wall of the inner rod (15), and a convex block (19) is arranged on the outer surface of one end of the elastic sheet (18).

3. The hand-push type distance measuring wheel with the protection function as claimed in claim 1, characterized in that: the limiting frame (8) is communicated with the inside of the cross pipe (10), sleeved on the outer wall of the push rod (3) and connected with the push rod (3) in a sliding mode.

4. The hand-push type distance measuring wheel with the protection function as claimed in claim 1, wherein: arc-shaped grooves are formed in opposite surfaces of the first packing block (11) and the second packing block (12).

5. The hand-push type distance measuring wheel with the protection function as claimed in claim 1, wherein: the arc-shaped groove surfaces of the first packing block (11) and the second packing block (12) are of frosted structures.

6. The hand-push type distance measuring wheel with the protection function as claimed in claim 1, wherein: the surface of the supporting leg (7) is provided with a rubber sleeve.