CN209980739U - Wind-resistant column type outdoor display device - Google Patents

Abstract

The utility model relates to the field of display racks, in particular to a wind-resistant column-type outdoor display device, comprising a clamping frame and a base, the clamping frame is provided with a U-shaped hook for clamping a poster, a support rod is fixed at the bottom of the clamping frame, and the support rod rotates Connected to the base, the base is provided with an annular groove with the strut as the center, a limit block is fixed on the strut, and a groove with an arcuate inner bottom surface is opened on the side of the limit block facing the annular groove. Just above the annular groove, a rolling ball is fitted between the groove and the annular groove. The rolling ball of the utility model makes the rotation of the struts smoother, reduces the direct wind influence on the poster format, and the poster will not always be stressed in one direction after being rotated, thereby preventing the poster from tipping over during display.

Description

Wind-resistant column type outdoor display device

technical field

The utility model relates to the field of display racks, in particular to a wind-resistant column type outdoor display device.

Background technique

In order to display advertising information, some merchants will clip the posters displayed with advertising information to display racks for display. Such display racks are suitable for displaying advertisements with a small amount of information, and display racks are widely used in small business groups. The structure of the display rack is generally, including a chassis and a fixed frame connected to the chassis, and the advertising poster is clamped on the fixed frame.

After the poster is clamped on the fixed frame, when the wind blows, the size of the poster directly becomes the wind-receiving surface, and the display frame is easily blown down by the wind. The surface of the chassis is fixed by adding heavy objects. However, when the wind is strong, the poster format is still the wind-receiving surface. The heavy objects are easy to slip off due to the smooth surface of the base, and the display stand is still easy to overturn.

Utility model content

The purpose of the utility model is to provide a wind-resistant column type outdoor display device to solve the problem of the display stand being overturned by wind when displaying posters.

The wind-resistant column-type outdoor display device in this solution includes a clamping frame and a base, the clamping frame is provided with a U-shaped hook for clamping a poster, a support rod is fixed at the bottom of the clamping frame, and the support rod is It is rotatably connected to the base, the base is provided with an annular groove centered on the strut, a limit block is fixed on the strut, and the limit block is opened on the side of the limit block facing the annular groove with an inner bottom surface that is an arc surface The groove is located just above the annular groove, and a rolling ball is fitted between the groove and the annular groove.

The beneficial effects of this program are:

When displaying the poster, hang the poster on the U-shaped hook, and the support rod supports the clamp frame to display the poster. When the poster format is exposed to the wind, the support rod, the clamp frame and the clamp frame are connected to the base due to the rotation of the support rod. The poster above is rotated by the wind, and the pole rotates at the same time to drive the limit block to rotate. The groove of the limit block covers the rolling ball and rolls along the annular groove, transferring the effect of the wind to the rolling of the rolling ball, and at the same time the rolling ball supports the rolling ball. The rod is limited, and the support rod will not deviate from the base due to the limit of the rolling ball and the limit block, which increases the friction between each other. The format is directly affected by the wind, and the poster will not be stressed in one direction all the time after it is rotated, which prevents the poster from tipping over during display.

Further, a cavity is opened in the base, and a magnet is fixed on the inner bottom of the cavity.

In order to stabilize the existing concrete floor, steel bars are added to part of the ground, and magnets are arranged in the cavity of the base, which can attract each other between the ground and the magnet when the base is attached to the ground, and improve the stability of the base on the ground. sex.

Further, the base is provided with an opening communicating with the cavity, and a sealing plate is hinged on the opening.

When there are no steel bars on the ground, the user can fill the cavity with counterweights to stabilize the base by opening the sealing plate. The dual function of force and counterweight improves the stability of the base.

Further, the clamping frame is in the shape of a rectangular frame, four corners of the clamping frame are connected with tension springs, and one end of the U-shaped hook is connected to the tension springs.

The shape of the clamping frame is easier to fit the shape of the poster. At the same time, when the poster is exposed to the wind, part of the wind can be buffered by the tension spring, so as to avoid the poster being directly exposed to the wind and toppling during display.

Further, the middle part of the clamping frame is rotatably connected with a block protruding from the clamping frame.

When clamping the poster, the poster can be pushed out of the clamping frame through the abutment block protruding from the clamping frame, so that there is a certain gap between the poster and the clamping frame. When the poster is exposed to wind, let the wind blow from the gap Go, to avoid the poster format being directly affected by the wind and too much force.

Further, the end surface of the abutting block protruding from the clamping frame is an arc surface.

The abutment block is pressed against the poster through the curved surface, and there is no edge against the poster, which does not affect the display of the poster format, and at the same time prevents the poster from being damaged by the edge and corner of the abutment block.

Further, a slot is opened at the center of the base, a rolling bearing is arranged in the slot, and the strut is fixed on the rolling bearing.

The friction force between the strut and the base can be reduced through the rolling bearing, and the strut rotates more smoothly and easily.

Further, the clamping frame is provided with a plurality of ventilation holes, and the central axis of the ventilation holes is perpendicular to the poster size.

When the clamping frame clamps the poster and is subjected to wind, the ventilation holes can supply wind to pass through, reducing the wind force received by the clamping frame, and at the same time, the ventilation holes reduce the gravity of the clamping frame.

Further, the ventilation hole includes two bell mouths, and the narrow ends of the bell mouths are attached together.

The narrow ends of the bell mouths are attached together, that is, the wide ends of the two bell mouths face the two sides of the clamping frame respectively, so as to increase the wind receiving area of the ventilation holes and reduce the force of the wind on the ventilation holes.

Further, a support plate is fitted in the annular groove, a plurality of compression springs are arranged between the support plate and the groove bottom of the annular groove, the support plate is provided with a rolling groove whose inner bottom surface is an arc surface, and the rolling ball Fitted in the rolling groove.

When the support rod drives the clamp frame and the poster to rotate, the support rod and the clamp frame exert pressure on the support plate, and the compression spring can buffer the pressure on the support plate and reduce the wear of the bottom end of the support rod.

Description of drawings

1 is a longitudinal sectional view of Embodiment 1 of the wind-resistant column-type outdoor display device of the present invention;

Fig. 2 is the axial sectional view of the ventilation hole in Fig. 1;

3 is a longitudinal sectional view of Embodiment 2 of the wind-resistant column type outdoor display device of the present invention;

FIG. 4 is a right side view of the abutment block in FIG. 3 when it is against the poster.

Detailed ways

The following is further described in detail through specific embodiments.

The reference signs in the accompanying drawings include: base 1, clamping frame 2, strut 3, limit block 4, ball 5, annular groove 6, opening 7, sealing plate 8, rolling bearing 9, U-shaped hook 10, Magnet 11 , bell mouth 12 , cavity 13 , tension spring 14 , block 15 , ventilation hole 16 , poster 17 .

Example 1

The wind-resistant column-type outdoor display device, as shown in Figure 1, includes a clamping frame 2 and a base 1. The clamping frame 2 is hinged with a plurality of U-shaped hooks 10 for clamping posters through hinges. In the first embodiment, four Take the U-shaped hook 10 as an example, the U-shaped hooks 10 are distributed at the four corner positions of the clamping frame 2 , the bottom of the clamping frame 2 is welded with the support rod 3 , the base 1 is provided with a cavity 13 , and the inner bottom of the cavity 13 is A magnet 11 is bonded on the base 1, an opening 7 communicating with the cavity 13 is opened on the base 1, a sealing plate 8 is hinged on the opening 7 through a hinge, a slot is opened at the center of the base 1, and a rolling bearing 9 is installed in the slot. The structure of 9 is the prior art, which will not be repeated here. The strut 3 is keyed to the rolling bearing 9, and the end of the strut 3 located in the cavity 13 is suspended, that is, the end of the strut 3 located in the cavity 13 is not. Contact the inner bottom of cavity 13 .

The base 1 is provided with an annular groove 6 centered on the strut 3, that is, an annular groove 6 is provided on the side of the base 1 facing the clamping frame 2, and a limit block 4 is welded on the strut 3, and the limit block 4 faces the annular groove 6. There is a groove on one side, the inner bottom surface of the groove is an arc surface, the groove is located directly above the annular groove 6, and a rolling ball 5 is matched between the groove and the annular groove 6, that is, the rolling ball 5 can be in the groove and the annular groove. The groove 6 is limited to roll along the annular groove 6 , and the ball 5 cannot escape from the groove and the annular groove 6 due to the limitation of the groove at the top and the limitation of the annular groove 6 at the bottom.

As shown in FIG. 2 , the clamping frame 2 is provided with a plurality of ventilation holes 16 . In the first embodiment, there can be fifty-six ventilation holes 16 . The ventilation holes 16 are evenly distributed on the clamping frame 2 . The central axis is perpendicular to the poster size, the ventilation hole 16 includes two bell mouths 12, and the narrow ends of the bell mouths 12 are attached together, that is, the wide end of the ventilation hole 16 on both sides of the clamping frame 2 is.

The specific implementation process is as follows:

When displaying the poster, hang the four corners of the poster on the U-shaped hook 10, and the support rod 3 supports the clamping frame 2. When the poster format is affected by the wind, the poster blocks the advance of the wind, that is, the poster is affected by the wind. Pushing action, because the support rod 3 is not fixed, the poster on the clamping frame 2 is stressed, and the wind force pushes the clamping frame 2 and the poster to rotate. When the clamping frame 2 is subjected to wind, the ventilation holes 16 on the clamping frame 2 It can supply air to pass through, reduce the force-bearing area of the clamping frame 2 when it receives wind power, reduce the force of the clamping frame 2, and avoid the clamping frame 2 and the poster being directly and continuously subjected to force and causing the entire device to tip over.

The support rod 3 rotates and drives the limit block 4 to rotate at the same time, so that the groove of the limit block 4 covers the rolling ball 5 and rolls along the annular groove 6, and the force of the wind is transferred to the rolling of the rolling ball 5, so as to avoid the clamping frame 2 And when the poster is subjected to a large one-way wind force, the strut 3 deviates from the rolling bearing 9 and increases the friction between each other, preventing the friction between the strut 3 and the rolling bearing 9 from being too large and hindering the rotation of the strut 3, and the rolling ball 5 Make the rotation of the strut 3 smoother.

When the base 1 is in contact with the ground, if steel bars are added during the construction of the ground, the magnet 11 in the base 1 and the steel bars have a certain attraction, which improves the stability of the base 1 on the ground. When there are no steel bars on the ground, it can also be opened The sealing plate 8 fills the cavity 13 with a counterweight to stabilize the base 1 , such as stones, to ensure the stability of the base 1 .

Embodiment 2

The difference from the first embodiment is that, as shown in FIG. 3 and FIG. 4 , the clamping frame 2 is in the shape of a rectangular frame, four corners of the clamping frame 2 are connected with tension springs 14 , and one end of the tension spring 14 is welded to the clamping frame. At the four corners of A threaded post is welded, and the threaded post is threaded on the clamping frame 2. The threaded post at one end of the abutment block 15 is screwed into the clamping frame 2 when the abutment block 15 is screwed, and the threaded post at the other end of the abutment block 15 is screwed on the At 15:00, unscrew the clamping frame 2, and the end face of the abutting block 15 protruding from the clamping frame 2 is an arc surface. In Figure 4, the abutting block 15 is pressed against the end face of the poster 17, and the radial cross-sectional view of the abutting block 15 is " 8" shape.

The shape of the holding frame 2 is more likely to fit the shape of the poster 17. At the same time, when the poster 17 is exposed to the wind, part of the wind can be buffered by the tension spring 14, so as to avoid the poster 17 being directly exposed to the wind and toppling when displayed. A support is placed in the annular groove 6. There is a gap between the edge of the support plate and the inner wall of the annular groove 6, a plurality of compression springs are clamped between the support plate and the groove bottom of the annular groove 6, and the support plate is provided with a rolling groove whose inner bottom surface is an arc surface, and the rolling ball 5 cooperates in the rolling groove.

When hanging the poster 17, screw the abutment block 15 so that the abutment block 15 is pressed against the poster 17 through the arc surface, and there is no corner against the poster 17, which does not affect the display of the poster 17, and prevents the poster 17 from being damaged by the edges and corners of the abutment block 15. , and there is a gap between the poster 17 and the clamping frame 2 by the abutting block 15, that is, as shown in FIG. Conduction away, reduce the wind effect of the poster 17 format, and prevent the clamping frame 2 from tipping.

When the support rod 3 drives the clamp frame 2 and the poster 17 to rotate, the support rod 3 and the clamp frame 2 apply pressure to the support plate, and the compression spring can buffer the pressure on the support plate and keep the support rod 3 floating slightly in the up and down direction. , while reducing the wear of the bottom end of the support rod 3 .

The above descriptions are only the embodiments of the present invention, and the common knowledge such as the well-known specific structures and characteristics in the solutions are not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present utility model, several deformations and improvements can also be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the present utility model. The effect of the implementation of the new model and the practicability of the patent. The scope of protection claimed in this application shall be based on the content of the claims, and the descriptions of the specific implementation manners in the description can be used to interpret the content of the claims.

Claims (10)

1. The wind-resistant column type outdoor display device includes a clamping frame and a base, the clamping frame is provided with a U-shaped hook for clamping a poster, and a strut is fixed at the bottom of the clamping frame, characterized in that: the The support rod is rotatably connected to the base, the base is provided with an annular groove centered on the support rod, a limit block is fixed on the support rod, and an inner bottom surface is opened on the side of the limit block facing the annular groove. A groove on an arc surface, the groove is located just above the annular groove, and a rolling ball is fitted between the groove and the annular groove. 2 . The wind-resistant column-type outdoor display device according to claim 1 , wherein a cavity is opened in the base, and a magnet is fixed on the inner bottom of the cavity. 3 . 3 . The wind-resistant column-type outdoor display device according to claim 2 , wherein the base is provided with an opening communicating with the cavity, and a sealing plate is hinged on the opening. 4 . 4 . The wind-resistant column-type outdoor display device according to claim 1 , wherein the clamping frame is in the shape of a rectangular frame, four corners of the clamping frame are connected with tension springs, and the U One end of the hook is connected to the tension spring. 5 . The wind-resistant column-type outdoor display device according to claim 4 , wherein the middle part of the clamping frame is rotatably connected with an abutment block protruding from the clamping frame. 6 . 6 . The wind-resistant column-type outdoor display device according to claim 5 , wherein the end surface of the abutting block protruding from the clamping frame is an arc surface. 7 . 7 . The wind-resistant column-type outdoor display device according to claim 1 , wherein a slot is opened at the center of the base, a rolling bearing is arranged in the slot, and the strut is fixed on the rolling bearing. 8 . . 8 . The wind-resistant column-type outdoor display device according to claim 1 , wherein the clamping frame is provided with a plurality of ventilation holes, and the central axis of the ventilation holes is perpendicular to the poster width. 9 . 9 . The wind-resistant column-type outdoor display device according to claim 8 , wherein the ventilation hole comprises two bell mouths, and the narrow ends of the bell mouths are attached together. 10 . 10 . The wind-resistant column-type outdoor display device according to claim 1 , wherein a support plate is fitted in the annular groove, and a plurality of compression springs are arranged between the support plate and the groove bottom of the annular groove. 11 . The support plate is provided with a rolling groove whose inner bottom surface is an arc surface, and the rolling ball fits in the rolling groove.

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