A skateboard structure

Abstract

This utility model discloses a skateboard structure. The skateboard structure includes a skateboard body and an insert. An insert groove for accommodating the insert is formed around a casting hole in the center of the skateboard body, and the shape of the insert matches the shape of the insert groove. The insert has a central hole that matches the casting hole. The skateboard structure also includes mortar grooves, which are distributed on the surfaces opposite and adjacent to the insert and the insert groove. Compared with the prior art, the skateboard body and the insert in this utility model are more tightly joined, effectively preventing loosening or separation between them during use, thus improving the safety and service life of the skateboard structure.

Description

Technical Field

[0001] This utility model relates to the technical field of refractory materials for steelmaking. Specifically, it relates to a sliding plate structure. Background Technology

[0002] In the steelmaking process, the slip plate, as a core component for throttling and controlling steel flow, withstands high temperatures, high pressures, and corrosive environments, with its service life being particularly critical at the casting gate. Currently, slip plates are generally made of zirconium material for the casting gate, as zirconium possesses high-temperature resistance and corrosion resistance, enabling it to cope with harsh operating environments. However, due to the relatively high cost of zirconium, in actual production, a lower-cost aluminum-carbon material is typically used as the main body of the slip plate outside the zirconium ring at the casting gate, forming a composite slip plate structure composed of an inner zirconium ring and an outer aluminum-carbon body. The two are connected using fire putty, but due to the strong ceramic properties of the zirconium ring, the bond with the aluminum-carbon body is not strong enough, easily leading to loosening and even safety accidents. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to provide a skateboard structure that is firmly bonded and safe to use, thereby solving the problem of poor bonding between the zirconium ring and the aluminum-carbon body in the prior art.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A skateboard structure includes a skateboard body and an inlay. A groove for receiving the inlay is formed around a casting hole in the middle of the skateboard body. The shape of the inlay matches the shape of the groove. The inlay has a central hole that matches the casting hole. The skateboard structure also includes a fire clay groove, which is distributed on the surfaces opposite and adjacent to the inlay and the groove.

[0005] In the aforementioned skateboard structure, the surfaces of the inlay body and the inlay groove that are opposite to and adjacent to each other include the outer peripheral surface of the inlay body, the side wall of the inlay groove, the bottom surface of the inlay body, and the bottom wall of the inlay groove; wherein, the outer peripheral surface of the inlay body is opposite to and adjacent to the side wall of the inlay groove, and the bottom surface of the inlay body is opposite to and adjacent to the bottom wall of the inlay groove; the fire clay groove is divided into a first fire clay groove, a second fire clay groove, a third fire clay groove, and a fourth fire clay groove; wherein, the first fire clay groove is located on the side wall of the inlay groove, the second fire clay groove is located on the outer peripheral surface of the inlay body, the third fire clay groove is located on the bottom wall of the inlay groove, and the fourth fire clay groove is located on the bottom surface of the inlay body.

[0006] In the aforementioned slide plate structure, the third fire clay trough is connected end to end to form a closed shape and surrounds the periphery of the casting hole; the fourth fire clay trough is connected end to end to form a closed shape and surrounds the periphery of the central hole.

[0007] In the aforementioned slide plate structure, the closed shape formed by the third and fourth fire clay troughs is circular, and both the circular shapes formed by the third and fourth fire clay troughs are coaxial with the casting hole.

[0008] In the aforementioned slide plate structure, both the third and fourth fire mud grooves are line segment grooves, and the number of both the third and fourth fire mud grooves is greater than or equal to two; on the slide plate body, at least two of the third fire mud grooves intersect each other, or at least two of the extension lines of the third fire mud grooves intersect each other; on the inlay, at least two of the fourth fire mud grooves intersect each other, or at least two of the extension lines of the fourth fire mud grooves intersect each other.

[0009] In the aforementioned slide plate structure, the opening of the third fire mud trough corresponds to the opening of the fourth fire mud trough.

[0010] In the aforementioned slide plate structure, the first fire clay groove extends circumferentially on the side wall of the inlay groove, and the second fire clay groove extends circumferentially on the outer peripheral surface of the inlay body; the first fire clay groove is a line segment or a closed shape formed by connecting the ends, and the second fire clay groove is a line segment or a closed shape formed by connecting the ends.

[0011] In the aforementioned slide plate structure, the opening of the first fire clay trough corresponds to the opening of the second fire clay trough.

[0012] In the aforementioned slide plate structure, the fire mud grooves are distributed on the bottom surface of the inlay body and on the bottom wall of the inlay groove.

[0013] In the aforementioned skateboard structure, there is a layer of fire clay between the inlay and the inlay groove, and the fire clay layer extends into the cavity of the fire clay groove.

[0014] The technical solution of this utility model has achieved the following beneficial technical effects: 1. This utility model significantly increases the bonding strength between the skateboard body and the inlay by opening fire clay grooves on the opposing and adjacent surfaces between the skateboard body and the inlay, and extending the fire clay layer into the cavity of the fire clay groove, effectively preventing the inlay from loosening and separating during use.

[0015] 2. The multi-directional distribution of the fire-molded grooves effectively limits the relative sliding between the skateboard body and the inlay, preventing structural instability caused by sliding and thus enhancing the overall safety performance of the skateboard. Specifically, this invention prevents vertical sliding between the skateboard body and the inlay by creating fire-molded grooves on the outer peripheral surface of the inlay and the side wall of the inlay groove. Furthermore, by setting fire-molded grooves distributed in different directions on the bottom surface of the inlay and the bottom wall of the inlay groove on the skateboard body, it prevents forward-backward and left-right sliding between the inlay and the skateboard body, ensuring stable operation of the skateboard under high temperature and high pressure conditions and improving its service life.

[0016] 3. By rationally designing the shape and distribution of the fire clay trough, this utility model not only improves the mechanical performance of the skateboard, but also reduces the amount of fire clay used, achieving a dual optimization of performance and cost. Attached Figure Description

[0017] Figure 1 A cross-sectional view of the sliding plate structure in Embodiment 1 of this utility model; Figure 2 A partial enlarged view of the joint between the skateboard body and the inlay in Embodiment 1 of this utility model; Figure 3 A schematic diagram of the distribution of fire clay grooves on the outer peripheral surface of the inlay in Embodiment 1 of this utility model; Figure 4 A schematic diagram of the distribution of fire clay grooves on the bottom surface of the inlay in Embodiment 1 of this utility model; Figure 5 A schematic diagram of the distribution of fire clay grooves on the bottom surface of the inlay in Embodiment 2 of this utility model.

[0018] The reference numerals in the figure are as follows: 1-Slide body; 101-Casting hole; 2-Inlay; 201-Central hole; 3-Fire clay trough; 301-First fire clay trough; 302-Second fire clay trough; 303-Third fire clay trough; 304-Fourth fire clay trough; 4-Fire clay layer. Detailed Implementation

[0019] Example 1 This embodiment provides a skateboard structure, such as Figure 1 This is a cross-sectional view of the skateboard structure in this embodiment. Figure 2 This is a magnified view of the joint between the skateboard body 1 and the inlay 2.

[0020] The slide plate structure in this embodiment includes a slide plate body 1 and an inlay 2. The inlay is a zirconium ring. An inlay groove for accommodating the inlay 2 is formed around a casting hole 101 in the center of the slide plate body 1. The shape of the inlay 2 matches the shape of the inlay groove. The inlay 2 has a central hole 201 that matches the casting hole 101 (i.e., the central hole 201 and the casting hole 101 are positioned correspondingly, have equal inner diameters, and are coaxial). The slide plate structure also includes a fire clay groove 3, which is distributed on the surfaces of the inlay 2 and the inlay groove that are opposite and adjacent to each other. A fire clay layer 4 exists between the inlay 2 and the inlay groove, extending into the cavity of the fire clay groove 3.

[0021] The surfaces of the inlay 2 that are opposite and adjacent to the inlay groove include the outer peripheral surface of the inlay 2, the sidewall of the inlay groove, the bottom surface of the inlay 2, and the bottom wall of the inlay groove; wherein, the outer peripheral surface of the inlay 2 is opposite and adjacent to the sidewall of the inlay groove, and the bottom surface of the inlay 2 is opposite and adjacent to the bottom wall of the inlay groove. In this embodiment, each of the above four surfaces is provided with a clay groove 3, that is, all four surfaces are recessed and are non-smooth surfaces.

[0022] In this embodiment, the fire clay trough 3 is divided into a first fire clay trough 301, a second fire clay trough 302, a third fire clay trough 303, and a fourth fire clay trough 304 according to their different distribution positions. The first fire clay trough 301 is located on the side wall of the inlay groove, the second fire clay trough 302 is located on the outer peripheral surface of the inlay body 2, the third fire clay trough 303 is located on the bottom wall of the inlay groove, and the fourth fire clay trough 304 is located on the bottom surface of the inlay body 2.

[0023] like Figure 3 As shown, in this embodiment, there are two second fire clay grooves 302 on the outer peripheral surface of the inlay 2. Each second fire clay groove 302 extends circumferentially on the outer peripheral surface of the inlay 2, and the two grooves are connected end to end to form a closed shape. The two second fire clay grooves 302 are parallel to each other. Similarly, two first fire clay grooves 301 are distributed on the side wall of the inlay groove. The first fire clay grooves 301 extend circumferentially on the side wall of the inlay groove, and the two grooves are connected end to end to form a closed shape. The opening of the first fire clay groove 301 corresponds to the opening of the second fire clay groove 302.

[0024] like Figure 4As shown, in this embodiment, two fourth fire clay grooves 304 are formed on the bottom surface of the inlay 2. Each fourth fire clay groove 304 is connected end to end and forms a circle, surrounding the outer perimeter of the central hole 201. The central hole 201 and the circle formed by the two fourth fire clay grooves 304 are coaxial. A third fire clay groove 303 is provided on the bottom wall of the inlay groove. The third fire clay groove 303 is connected end to end and surrounds the outer perimeter of the casting hole 101, and is coaxial with the casting hole 101. The opening position of the third fire clay groove 303 corresponds to the opening position of the second fire clay groove 302.

[0025] In this embodiment, the fire-mud groove 3 enhances the bonding strength between the slide plate body 1 and the inlay 2. This is because the fire-mud groove 3 ensures that the opposing and adjacent surfaces of the slide plate body 1 and the inlay 2 are non-smooth surfaces, increasing the contact area between the slide plate body 1 and the inlay 2 and the fire-mud. The fire-mud layer penetrates deep into the cavity of the fire-mud groove 3, thus firmly fixing the relative positions of the slide plate body 1, the inlay 2, and the fire-mud groove 3. Specifically, the first fire-mud groove 301 and the second fire-mud groove 302 effectively prevent relative sliding between the slide plate body 1 and the inlay 2 in the vertical direction, while the third fire-mud groove 303 and the fourth fire-mud groove 304 prevent relative sliding between the slide plate body 1 and the inlay 2 in the front-back and left-right directions.

[0026] In this embodiment, the two third fire clay grooves 303 and the two fourth fire clay grooves 304 are concentric rings, and the openings of the third fire clay grooves 303 and the fourth fire clay grooves 304 correspond in position, ensuring that the resistance experienced is equal when the slide plate body and the insert slide relative to each other in all directions in the horizontal plane. In other embodiments, the two third fire clay grooves 303 (or the two fourth fire clay grooves 304) may also intersect, as long as they all surround the casting hole 101 (or the central hole 201). The shape formed by the third fire clay grooves 303 and the fourth fire clay grooves 304 can also be other closed shapes, such as triangles, quadrilaterals, or ellipses.

[0027] In some other embodiments, the opening of the third fire mud groove 303 may be offset from the opening of the fourth fire mud groove 304. However, this would weaken the bond between the slide body 1 and the insert 2.

[0028] Example 2 This embodiment provides a skateboard structure. The main difference between the skateboard structure in this embodiment and that in Embodiment 1 is that, in this embodiment, the fourth fire clay groove 304 on the bottom surface of the inlay 2 is a line segment groove of equal length, and there are four fourth fire clay grooves 304. There are also four third fire clay grooves 303, and the length of the third fire clay grooves 303 is equal to the length of the fourth fire clay grooves 304. The shape and position of the first fire clay groove 301 and the second fire clay groove 302 are the same as in Embodiment 1.

[0029] like Figure 5 As shown, in this embodiment, the fourth fire clay groove 304 is arranged in an open rectangular shape around the outer periphery of the central hole 201. On the bottom wall of the inlay groove, the third fire clay groove 303 is also arranged in an open rectangular shape around the outer periphery of the casting hole 101. Around the outer periphery of the central hole 201, the extension lines of two adjacent fourth fire clay grooves 304 intersect; around the outer periphery of the casting hole 101, the extension lines of two adjacent third fire clay grooves 303 intersect.

[0030] In this embodiment, the opening of the third fire clay groove 303 corresponds to the opening of the fourth fire clay groove 304, and all the third fire clay grooves 303 and the fourth fire clay grooves 304 are of equal length. This ensures that the resistance experienced by the sliding plate body 1 and the inlay 2 during relative sliding is basically the same in both the front-back and left-right directions, which helps to avoid problems such as cracking of the fire clay layer caused by uneven force.

[0031] In other embodiments, the number and arrangement of the third and fourth calcined clay troughs 303 and 304 can be flexibly adjusted as needed. However, the number of both the third and fourth calcined clay troughs 303 and 304 should be greater than or equal to two, and there must be at least two intersecting relationships between the third calcined clay troughs 303 and two between the fourth calcined clay troughs 304. If all the third calcined clay troughs 303 and all the fourth calcined clay troughs 304 are parallel to each other, the anti-slip effect can only be achieved in the front-back or left-right directions, and the anti-slip effect is relatively poor.

[0032] Example 3 This embodiment provides a sliding plate structure. The main difference between the sliding plate structure in this embodiment and that in Embodiment 1 is that, in this embodiment, both the first fire clay groove 301 and the second fire clay groove 302 are segmental grooves. The first fire clay groove 301 extends circumferentially on the side wall of the inlay groove, and the second fire clay groove 302 extends circumferentially on the outer peripheral surface of the inlay body 2. The first fire clay grooves 301 are parallel to each other, and the second fire clay grooves 302 are parallel to each other, with the openings of the first fire clay groove 301 and the openings of the second fire clay groove 302 corresponding to each other.

[0033] In this embodiment, the first fire clay groove 301 is not distributed on the side wall of the entire inlay groove, and the second fire clay groove 302 is not distributed on the outer peripheral surface of the entire inlay body 2. However, since the relative sliding between the inlay body and the slide body in the vertical direction is less during use, the method of setting the fire clay groove 3 in this embodiment is sufficient to enhance the bonding strength between the slide body 1 and the inlay body 2, and can reduce the amount of fire clay used.

[0034] In some other embodiments, the openings of the first fire clay groove 301 and the second fire clay groove 302 can also be staggered. However, this would weaken the fixing effect of the fire clay on the slide body 1 and the inlay 2 through the fire clay grooves 3. Alternatively, the first fire clay groove 301 can be circular like in Embodiment 1, and the second fire clay groove 302 can be a segmental groove, or the second fire clay groove 302 can be circular like in Embodiment 1, and the first fire clay groove 301 can be a segmental groove. Compared with Embodiment 1, this would result in a decrease in the tightness of the connection between the slide body 1 and the inlay 2, but it can save fire clay to a certain extent.

[0035] Example 4 This embodiment provides a sliding plate structure. The main difference between the sliding plate structure in this embodiment and that in Embodiment 1 is that, in this embodiment, the fire clay groove 3 is formed on the bottom surface of the inlay body 2 and the bottom wall of the inlay groove, and is not distributed on the outer peripheral surface of the inlay body 2 and the side wall of the inlay groove. The fire clay groove 3 on the bottom surface of the inlay body 2 is the fourth fire clay groove 304, and the fire clay groove 3 on the bottom wall of the inlay groove is the third fire clay groove 303. Both the third fire clay groove 303 and the fourth fire clay groove 304 are annular grooves, and the third fire clay groove 303, the fourth fire clay groove 304, the central hole 201, and the casting hole 101 are coaxial.

[0036] In practical use, the sliding block slides less in the vertical direction and more in the front-back and left-right directions. In this embodiment, the fire clay groove 3 is formed on the bottom surface of the inlay body 2 and the bottom wall of the inlay groove, which can effectively prevent relative sliding between the sliding block body 1 and the inlay body 2 in the front-back and left-right directions. Compared with the sliding block structure in Embodiment 1, the sliding block structure in this embodiment is more streamlined in terms of processing steps.

[0037] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of the claims of this patent application.

Claims

1. A skateboard structure, comprising a skateboard body (1) and an insert (2), wherein an insert groove for accommodating the insert (2) is provided around a casting hole (101) in the middle of the skateboard body (1), and the shape of the insert (2) matches the shape of the insert groove; the insert (2) is provided with a central hole that matches the casting hole (101); characterized in that, The slide plate structure also includes a fire clay groove (3), and the fire clay groove (3) is distributed on the opposite and adjacent surfaces between the inlay body (2) and the inlay groove; the fire clay groove (3) is divided into a first fire clay groove (301), a second fire clay groove (302), a third fire clay groove (303), and a fourth fire clay groove (304); wherein, the first fire clay groove (301) is located on the side wall of the inlay groove, the second fire clay groove (302) is located on the outer peripheral surface of the inlay body (2), the third fire clay groove (303) is located on the bottom wall of the inlay groove, and the fourth fire clay groove (304) is located on the side wall of the inlay groove. The fire clay trough (304) is located on the bottom surface of the inlay (2); the third fire clay trough (303) is connected end to end to form a closed shape and surrounds the periphery of the casting hole (101); the fourth fire clay trough (304) is connected end to end to form a closed shape and surrounds the periphery of the central hole (201); the closed shapes formed by the third fire clay trough (303) and the fourth fire clay trough (304) are both circular, and the circles formed by the third fire clay trough (303) and the fourth fire clay trough (304) are coaxial with the casting hole (101).

2. The skateboard structure according to claim 1, characterized in that, The surfaces of the inlay (2) that are opposite to and adjacent to the inlay groove include the outer peripheral surface of the inlay (2), the side wall of the inlay groove, the bottom surface of the inlay (2), and the bottom wall of the inlay groove; wherein the outer peripheral surface of the inlay (2) is opposite to and adjacent to the side wall of the inlay groove, and the bottom surface of the inlay (2) is opposite to and adjacent to the bottom wall of the inlay groove.

3. The skateboard structure according to claim 2, characterized in that, The third fire mud groove (303) and the fourth fire mud groove (304) are both line segment grooves, and the number of the third fire mud groove (303) and the fourth fire mud groove (304) is greater than or equal to 2; on the slide body (1), at least two of the third fire mud grooves (303) intersect each other, or at least two of the extension lines of the third fire mud grooves (303) intersect each other; on the inlay (2), at least two of the fourth fire mud grooves (304) intersect each other, or at least two of the extension lines of the fourth fire mud grooves (304) intersect each other.

4. The skateboard structure according to claim 3, characterized in that, The opening of the third fire mud tank (303) corresponds to the opening of the fourth fire mud tank (304).

5. The plate structure according to claim 2, characterized in that, The first fire mud groove (301) extends circumferentially on the side wall of the inlay groove, and the second fire mud groove (302) extends circumferentially on the outer peripheral surface of the inlay body (2); the first fire mud groove (301) is a line segment or a closed shape formed by connecting the ends, and the second fire mud groove (302) is a line segment or a closed shape formed by connecting the ends.

6. The skateboard structure according to claim 5, characterized in that, The opening of the first fire mud trough (301) corresponds to the opening of the second fire mud trough (302).

7. The skateboard structure according to claim 1, characterized in that, The fire mud groove (3) is distributed on the bottom surface of the inlay (2) and on the bottom wall of the inlay groove.

8. The skateboard structure according to claim 1, characterized in that, There is a fire clay layer (4) between the inlay (2) and the inlay groove, and the fire clay layer (4) extends into the cavity of the fire clay groove (3).

Images