CN215760575U

CN215760575U - Datum line pay-off device

Info

Publication number: CN215760575U
Application number: CN202122244875.4U
Authority: CN
Inventors: 秦涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-08
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a datum line pay-off device, which comprises a chassis and an upright post arranged on the upper surface of the chassis and used for limiting the position of a datum line, wherein an annular groove is formed in the middle of the upright post, a rotatable rotating sleeve is sleeved in the annular groove, a limiting bolt used for limiting the position of the rotating sleeve is connected to the outer surface of the rotating sleeve in a threaded manner, a horizontally arranged cross rod playing a supporting role is fixedly connected to the outer surface of the rotating sleeve, a vertically arranged stud is fixedly connected to the lower part of one end, far away from the rotating sleeve, of the cross rod, and an internal threaded pipe is connected to the stud in a threaded manner. The position of the supporting structure of the stand column changes along with the change of the included angle of the datum line, and the placing stability of the stand column is improved.

Description

Datum line pay-off device

Technical Field

The utility model relates to a datum line pay-off device, and belongs to the technical field of buildings.

Background

One of the main purposes of placing the reference line is to find a reference horizontal plane, and basic construction such as wall building and floor paving is carried out by taking the reference horizontal plane as a reference. At present, the datum line is at the wiring in-process, need turn round and form certain contained angle in stand department usually, and bearing structure on the stand can not support the position according to the angular adjustment of contained angle, the condition that the stand askew emptys because of the atress is unbalanced appears easily, and stability is not enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a datum line pay-off device, which aims to solve the problems that in the background art, a datum line is required to be turned at an upright column and form a certain included angle generally in the wiring process, a supporting structure on the upright column cannot adjust the supporting position according to the included angle, the upright column is prone to being inclined and toppled due to unbalanced stress, and the stability is insufficient.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a datum line pay-off, includes the chassis and installs the stand that is used for restricting the datum line position on the chassis upper surface, the ring channel has been seted up at the middle part of stand, the ring channel endotheca is equipped with rotatable commentaries on classics cover, commentaries on classics cover surface threaded connection has the spacing bolt that is used for restricting commentaries on classics cover position, commentaries on classics cover surface fixed connection has the horizontal pole that plays the supporting role of horizontal arrangement, the horizontal pole is kept away from the vertical double-screw bolt of arranging of the one end lower part position fixedly connected with of commentaries on classics cover, threaded connection has the internal thread pipe on the double-screw bolt.

Further, the chassis upper surface is the screw that a plurality of vertical arrangement were seted up to annular equidistance, screw female connection has vertical arrangement's branch, branch surface middle part position processing has the external screw thread with screw matched with, the screw upside is equipped with the last bobbin of arranging with chassis fixed connection and with the screw is concentric, it is equipped with the cover to go up the bobbin, the cover is established on branch and with branch fixed connection, the screw downside is equipped with the lower bobbin of arranging with chassis fixed connection and with the screw is concentric, slidable mounting has the partition dish in the lower bobbin, the partition dish cover is established on branch and with branch fixed connection.

Further, a handle is installed on the outer surface of the upper end of the supporting rod and is perpendicular to the supporting rod.

Furthermore, an upper ring groove is formed in the position, where the upper bobbin is installed on the chassis, and the lower end of the upper bobbin is fixed in the upper ring groove.

Furthermore, a lower ring groove is formed in the position, where the lower bobbin is installed on the chassis, and the upper end of the lower bobbin is fixed in the lower ring groove.

Further, branch lower extreme fixedly connected with connecting rod, connecting rod lower extreme fixedly connected with fixed disk, the fixed disk upper surface is seted up and is used for alternate the fixed orifices of bolt.

Furthermore, a limiting ring is sleeved on the stand column and fixed on the stand column through a clamping bolt, a supporting plate is fixedly connected to one side, away from the clamping bolt, of the outer surface of the limiting ring, and a rope penetrating hole for inserting the datum line is formed in one side face of the supporting plate.

Further, the stand is sleeved with a rubber sleeve, and the limiting ring is sleeved on the rubber sleeve and attached to the outer surface of the rubber sleeve.

Furthermore, a mounting hole is formed in the middle of the upper surface of the chassis, and the lower end of the stand column is fixed in the mounting hole.

The utility model has the beneficial effects that:

1. when the datum line changes direction at the upright post, namely the datum line forms a certain included angle at the upright post, the rotating sleeve in the annular groove is rotated to enable the cross bar to be positioned on an angle bisection line of the included angle of the datum line, then the relative position of the internal thread pipe and the stud is adjusted to enable the lower end of the internal thread pipe to be in contact with the ground, and then the internal thread pipe, the stud and the cross bar jointly act to support the upright post, so that the upright post is prevented from being inclined, and the stability is improved.

2. The bobbin is arranged on the upper side of the screw hole, the upper end of the upper bobbin extends into the bobbin case connected with the supporting rod, the upper side of the screw hole is hidden in a space formed by the upper bobbin and the bobbin case, the lower bobbin is arranged on the lower side of the screw hole, the partition disc on the supporting rod is slidably mounted in the lower bobbin, the lower side of the screw hole is hidden under the combined action of the partition disc and the lower bobbin, fine sundries are prevented from entering the screw hole, the screw hole is damaged due to the fact that sliding teeth appear when the bobbin is screwed forcibly, and the purpose of hiding and protecting the screw hole is achieved.

3. The limiting ring is sleeved on the rubber sleeve, and the limiting ring is attached to the surface of the rubber sleeve, so that on one hand, the friction coefficient between the limiting ring and the stand column is improved, the limiting ring is prevented from falling at will, and on the other hand, when the clamping bolt is screwed, the clamping bolt firstly extrudes the rubber sleeve, and the stability of the clamping bolt for limiting the position of the limiting ring is improved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a datum line pay-off device according to the present invention;

FIG. 2 is a schematic view of an assembly of a spacer disc, a sleeve and a support rod of the datum line pay-off device of the present invention;

FIG. 3 is a cross-sectional view of a base plate of a datum line pay-off device according to the present invention;

FIG. 4 is a perspective view of an upper bobbin of a datum line pay-off of the present invention;

FIG. 5 is a perspective view of a lower bobbin of the datum line pay-off device of the present invention;

in the figure: 1-chassis, 2-screw hole, 3-upper ring groove, 4-upright post, 5-lower bobbin, 6-upper bobbin, 7-bobbin cover, 8-support rod, 9-handle, 10-rubber sleeve, 11-clamping bolt, 12-spacing ring, 13-support plate, 14-rope threading hole, 15-partition disc, 16-fixing hole, 17-fixing disc, 18-connecting rod, 19-mounting hole, 20-lower ring groove, 21-spacing bolt, 22-cross rod, 23-stud, 24-internal thread pipe and 25-rotating sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a datum line pay-off, includes chassis 1 and installs stand 4 that is used for restricting the datum line position at 1 upper surface on chassis, and mounting hole 19 has been seted up to 1 upper surface middle part position on chassis, fixes the lower extreme of stand 4 in mounting hole 19, improves the stability that stand 4 and chassis 1 are connected.

An annular groove is formed in the middle of the upright post 4, a rotatable rotating sleeve 25 is sleeved in the annular groove, a limiting bolt 21 used for limiting the position of the rotating sleeve 25 is connected to the outer surface of the rotating sleeve 25 through a thread, a horizontally arranged cross rod 22 playing a supporting role is fixedly connected to the outer surface of the rotating sleeve 25, a vertically arranged stud 23 is fixedly connected to the lower portion of one end, far away from the rotating sleeve 25, of the cross rod 22, an internal threaded pipe 24 is connected to the stud 23 through a thread, when the direction of a datum line is changed at the upright post 4, namely the datum line forms a certain included angle at the upright post 4, the rotating sleeve 25 in the annular groove is rotated to enable the cross rod 22 to be located on an angle bisection line of the included angle of the datum line, then the relative position of the internal threaded pipe 24 and the stud 23 is adjusted to enable the lower end of the internal threaded pipe 24 to be in contact with the ground, further the internal threaded pipe 24, the stud 23 and the cross rod 22 jointly act to support the upright post 4 and prevent the upright post 4 from being skewed, the stability is improved.

The upper surface of the chassis 1 is provided with a plurality of vertically arranged screw holes 2 at equal intervals in a ring shape, the screw holes 2 are connected with vertically arranged support rods 8 in a threaded manner, external threads matched with the screw holes 2 are processed in the middle positions of the outer surfaces of the support rods 8, handles 9 which are perpendicular to the support rods 8 are installed on the outer surfaces of the upper ends of the support rods 8, the support rods 8 are convenient to rotate, upper bobbins 6 which are concentric with the screw holes 2 are arranged on the upper sides of the screw holes 2, the lower ends of the upper bobbins 6 are fixed in upper ring grooves 3 on the upper surface of the chassis 1, upper bobbins 6 are sleeved with cylinder covers 7, the cylinder covers 7 are sleeved on the support rods 8 and fixedly connected with the support rods 8, when the support rods 8 are rotated, the cylinder covers 7 and the upper bobbins 6 generate relative displacement without influencing the rotation of the support rods 8, the lower sides of the screw holes 2 are provided with lower bobbins 5 which are concentric with the screw holes 2, and the lower ring grooves 20 which are fixed on the lower surface of the chassis 1 are arranged on the lower surface of the lower bobbin 5, lower bobbin 5 slidable mounting has a separation disc 15, separation disc 15 cover is established on branch 8 and with branch 8 fixed connection, when branch 8 rotates, branch 8 drives separation disc 15 and slides in bobbin 5 down, 2 upsides in the screw set up bobbin 6, and extend to in the cover 7 that is connected with branch 8 last bobbin 6 upper end, and then 2 upsides in the screw are hidden in the space that last bobbin 6 and cover 7 formed, 2 downsides in the screw set up down bobbin 5, and with the separation disc 15 slidable mounting in bobbin 5 down on branch 8, and then separation disc 15 hides the screw 2 downside with lower bobbin 5 combined action, prevent that tiny debris from getting into in screw 2 and appearing the smooth tooth condition and damaging screw 2 when the screw is twisted by force, realize hiding and the purpose of protecting screw 2.

The connecting rod 18 is fixedly connected with the lower end of the supporting rod 8, the fixing disc 17 is fixedly connected with the lower end of the connecting rod 18, the fixing hole 16 used for inserting the bolt is formed in the upper surface of the fixing disc 17, and after the position of the supporting rod 8 is adjusted, the bolt limiting the fixing disc 17 penetrates through the fixing hole 16 to be installed at a required position, so that the position of the chassis 1 is limited conveniently.

The cover is equipped with spacing ring 12 on stand 4, spacing ring 12 passes through clamping bolt 11 to be fixed on stand 4, one side fixedly connected with extension board 13 that spacing ring 12 surface deviates from clamping bolt 11, a stringing hole 14 that is used for alternate datum line is offered to an extension board 13 side, the cover is equipped with rubber sleeve 10 on stand 4, spacing ring 12 cover is established on rubber sleeve 10 and is laminated mutually with rubber sleeve 10 surface, establish spacing ring 12 cover on rubber sleeve 10, and make spacing ring 12 and rubber sleeve 10 surface laminating, improve the coefficient of friction between spacing ring 12 and the stand 4 on the one hand, prevent that spacing ring 12 from dropping at will, on the other hand is when twisting clamping bolt 11, clamping bolt 11 extrudees rubber sleeve 10 at first, improve the stability that clamping bolt 11 restricts spacing ring 12 position.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. The utility model provides a datum line pay-off, includes chassis (1) and installs stand (4) that are used for restricting the datum line position on chassis (1), its characterized in that: the ring channel has been seted up at the middle part of stand (4), the ring channel endotheca is equipped with rotatable commentaries on classics cover (25), it has spacing bolt (21) that are used for the restriction to change cover (25) position to change cover (25) surface threaded connection, it has horizontal arrangement's horizontal pole (22) that play the supporting role to change cover (25) surface fixed connection, horizontal pole (22) are kept away from the vertical double-screw bolt (23) of arranging of one end lower part position fixedly connected with of commentaries on classics cover (25), threaded connection has internal thread pipe (24) on double-screw bolt (23).

2. The fiducial line payoff device of claim 1, wherein: the upper surface of the chassis (1) is provided with a plurality of vertically arranged screw holes (2) at equal intervals in a ring shape, the screw hole (2) is internally threaded with a supporting rod (8) which is vertically arranged, the middle part of the outer surface of the supporting rod (8) is provided with an external thread which is matched with the screw hole (2), an upper barrel pipe (6) which is fixedly connected with the chassis (1) and is concentrically arranged with the screw hole (2) is arranged at the upper side of the screw hole (2), the upper bobbin (6) is sleeved with a barrel cover (7), the barrel cover (7) is sleeved on the supporting rod (8) and is fixedly connected with the supporting rod (8), a lower bobbin (5) which is fixedly connected with the chassis (1) and is concentrically arranged with the screw hole (2) is arranged at the lower side of the screw hole (2), the lower bobbin (5) is internally provided with a separation disc (15) in a sliding manner, and the separation disc (15) is sleeved on the supporting rod (8) and is fixedly connected with the supporting rod (8).

3. A fiducial line payoff device as in claim 2, wherein: the outer surface of the upper end of the supporting rod (8) is provided with a handle (9), and the handle (9) is perpendicular to the supporting rod (8).

4. A fiducial line payoff device as in claim 2, wherein: an upper ring groove (3) is formed in the position, where the upper bobbin (6) is installed on the chassis (1), and the lower end of the upper bobbin (6) is fixed in the upper ring groove (3).

5. A fiducial line payoff device as in claim 2, wherein: a lower ring groove (20) is formed in the position, where the lower bobbin (5) is installed on the chassis (1), and the upper end of the lower bobbin (5) is fixed in the lower ring groove (20).

6. A fiducial line payoff device as in claim 2, wherein: the support rod (8) lower extreme fixedly connected with connecting rod (18), connecting rod (18) lower extreme fixedly connected with fixed disk (17), fixed disk (17) upper surface is seted up and is used for alternate fixed orifices (16) of bolt.

7. The fiducial line payoff device of claim 1, wherein: the guide line inserting device is characterized in that a limiting ring (12) is sleeved on the upright post (4), the limiting ring (12) is fixed on the upright post (4) through a clamping bolt (11), a supporting plate (13) is fixedly connected to one side, away from the clamping bolt (11), of the outer surface of the limiting ring (12), and a rope penetrating hole (14) used for penetrating a reference line is formed in one side face of the supporting plate (13).

8. The fiducial line payoff device of claim 7, wherein: the upright post (4) is sleeved with a rubber sleeve (10), and the limiting ring (12) is sleeved on the rubber sleeve (10) and is attached to the outer surface of the rubber sleeve (10).

9. The fiducial line payoff device of claim 1, wherein: a mounting hole (19) is formed in the middle of the upper surface of the chassis (1), and the lower end of the upright post (4) is fixed in the mounting hole (19).