Screen connecting and positioning piece and screen

Abstract

The utility model discloses a screen connecting and positioning piece and a screen, the screen connecting and positioning piece comprises a first mounting plate and second mounting plates, the second mounting plates are positioned on two opposite sides of the first mounting plate; any second mounting plate is provided with a plurality of wave bosses with the cross sectional area being a bell-shaped curve, and the heights of the wave bosses on the same side are gradually increased in the direction away from the first mounting plate; the two ends of any wave boss are sunken towards the center of the wave boss to form an inclined face with a radian. According to the utility model, the screen connecting positioning piece is arranged on the screen, and the screen positioning piece is propped against the inner frame of the corresponding mold, so that the whole screen iron stand is fixed at the central position; the wavy bosses are arranged on the screen connecting and positioning pieces, so that the flowability of the raw materials in the foaming process is improved, and the raw materials can smoothly flow in the working direction and are uniformly paved on the flowing track of the raw materials; the screen connecting and positioning piece is further provided with an assembling groove position, so that the corresponding connecting piece is stably placed in the assembling groove position.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field especially relates to a screen connecting positioning piece and screen. BACKGROUND

[0002] In the production of screen, the iron frame needs to be placed in the aluminum alloy mold first, and then the polyurethane raw material is poured for foaming, and in the foaming and shaping process, the iron frame must be kept at the center point of the mold without deviation to ensure that the shaped cotton product produced can be assembled.

[0003] At present, the following problems exist in the foaming and shaping process:

[0004] 1. In the process of pouring polyurethane raw material for foaming, the iron frame deviates;

[0005] 2. The polyurethane raw material cannot flow smoothly in the mold foaming process, resulting in uneven foaming and uneven good products;

[0006] 3. The corresponding connecting piece does not fit, resulting in deviation of the connecting piece in the foaming process. INVENTION CONTENTS

[0007] The utility model aims at overcoming the defects of prior art, and provides a screen connecting positioning piece and screen, which improves the flowability of the raw material in the foaming process by the wave groove between the adjacent two wave bosses, so that the raw material can flow smoothly along the working direction, evenly covers the flow track, reduces the risk of raw material solidification, and is beneficial to improve the yield of good products.

[0008] Correspondingly, the utility model provides a screen connecting positioning piece, which comprises: a first mounting plate and a second mounting plate, the second mounting plate is located on the opposite sides of the first mounting plate;

[0009] A plurality of wave bosses with a cross-sectional area of a bell-shaped curve are arranged on any second mounting plate, the height of the wave bosses on the same side gradually increases away from the first mounting plate, wave grooves are formed between adjacent two wave bosses, and the width of each wave groove is the same;

[0010] The two ends of any wave boss are recessed towards the center of the wave boss to form an arc-shaped inclined surface;

[0011] An assembly groove is arranged on the first mounting plate, and the assembly groove is an oval groove.

[0012] Preferably, the side wall of the assembly groove extends to the center of the groove to form a fixed boss as a step.

[0013] Preferably, the end face of the fixing boss extends in a direction away from the assembly face of the first mounting plate to form a clamping boss.

[0014] Preferably, the first mounting plate and the second mounting plate are integrally formed.

[0015] Preferably, the edge of the first mounting plate is inwardly recessed to form a chamfer.

[0016] Preferably, a plurality of connecting holes are arranged on the first mounting plate, and the plurality of connecting holes are located at two ends of the assembly slot.

[0017] Preferably, the inner diameter of any connecting hole gradually decreases in a direction away from the assembly face of the first mounting plate.

[0018] Preferably, the angle formed between the first mounting plate and the second mounting plate is 90°.

[0019] Preferably, the material of the screen connecting positioning member is plastic.

[0020] The utility model discloses still propose a screen, the screen includes: above-mentioned screen connecting positioning member, screen connecting piece and iron stand, screen connecting positioning member installs on the iron stand, screen connecting piece installs in the assembly slot in screen connecting positioning member.

[0021] The utility model has the advantages of:

[0022] The utility model discloses a wave boss, and the wave boss changes the flowing direction and size of fluid, thereby enhancing the forced convection effect of fluid, reducing the flowing resistance, thereby improving the production efficiency;There is still wave groove between the wave boss in the utility model, improves the fluidity of raw materials in the foaming process, makes raw materials can smoothly flow along the working direction, evenly spreads its flow track, reduces the risk of raw material solidification, is favorable to improve the yield of processing;Still set up the elliptical assembly slot on the wave boss, and the corresponding connecting piece is tightly installed in the assembly slot and reduces the stress mutation and concentration effect, is favorable to improve the structural stability of the assembly slot;The screen connecting positioning member is arranged on the screen in the utility model, and the screen positioning member abuts against the inner frame of the corresponding mold, so that the whole screen iron stand is fixed at the center position, reduces the risk of deviation of the iron stand in the foaming process, and improves the quality of foaming. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Figure 1 is a structural schematic view of the screen connecting positioning member in the present application,

[0025] Figure 2 is another structural schematic view of the screen connecting positioning member in the present application,

[0026] Figure 3 is a top view of the screen connecting positioning member in the present application,

[0027] Figure 4 is a rear view of the screen connecting positioning member in the present application.

[0028] In the drawings, 1, screen connecting positioning member; 11, first mounting plate; 111, assembly slot; 112, fixed boss; 113, clamping boss; 114, connecting hole; 12, second mounting plate; 121, wave boss; 122, wave groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] Figure 1 is a structural schematic view of the screen connecting positioning member in the present application, Figure 2 is another structural schematic view of the screen connecting positioning member in the present application, Figure 3 is a top view of the screen connecting positioning member in the present application, Figure 4The screen connecting positioning piece 1 includes a first mounting plate 11 and two second mounting plates 12, and the two second mounting plates 12 are located at opposite sides of the first mounting plate 11, so that the screen connecting positioning piece 1 is in the shape of a Chinese character 'fang'. Each of the second mounting plates 12 is provided with three wave-shaped bosses 121, that is, the two second mounting plates 12 are provided with six wave-shaped bosses 121 in total, and the wave-shaped bosses 121 on the two second mounting plates 12 are symmetrically distributed, and the wave-shaped bosses 121 at the same positions on the two second mounting plates 12 have the same height, which gradually increases away from the first mounting plate 11, so that the screen connecting positioning piece can be attached to the corresponding positions. One of the second mounting plates 12 is provided with three wave-shaped bosses 121 and two wave-shaped grooves 122, the wave-shaped bosses 121 change the flow direction and size of fluid, thereby enhancing the forced convection effect of fluid, reducing flow resistance, and improving production efficiency, and the wave-shaped grooves 122 are used to improve the fluidity of raw materials during foaming, so that the raw materials can smoothly flow along the working direction, uniformly cover the flow track, reduce the risk of solidification of the raw materials, and help to improve the yield of processing. Meanwhile, the two ends of each wave-shaped boss 121 are provided with inclined surfaces, which can avoid the possibility of collision between the wave-shaped boss 121 and other parts, and help to reduce the risk of damage caused by the collision between the screen connecting positioning piece and other parts. The elliptical groove can increase the contact area between the assembly groove 111 and the corresponding connecting piece, increase the friction force between the elliptical groove and the corresponding connecting piece, avoid the risk of sliding of the corresponding connecting piece along the elliptical groove during installation, and help to ensure that the corresponding connecting piece is stably placed in the assembly groove 111. The different directions of the major axis and the minor axis of the elliptical groove make the stress more evenly distributed around the elliptical groove, avoid excessive concentration of stress in a local area, and help to improve the structural stability of the assembly groove 111.

[0031] Further, the side wall of the assembly slot 111 extends to the center of the slot to form a fixed boss 112 as a step. When the corresponding connecting piece is inserted into the assembly slot 111, the side wall of the corresponding connecting piece first contacts the entrance part of the slot, and gradually contacts the fixed boss 112 as the insertion depth increases. The fixed boss 112 tightly fits with the corresponding connecting piece, which can be achieved by interference fit, threaded connection, buckle mechanism or other locking methods, to ensure that the corresponding connecting piece can be stably fixed in the assembly slot 111 after complete insertion, and is not easy to fall off or loosen, which is conducive to the corresponding connecting piece being fixed in the assembly slot 111.

[0032] Further, the end face of the fixed boss 112 extends away from the assembly surface of the first mounting plate 11 to form a clamping boss 113. In the present embodiment, the clamping boss 113 is used to increase the contact area between the assembly slot 111 and the corresponding connecting piece. The clamping boss 113 can be regarded as lengthening the fixed boss 112. The clamping boss 113 increases the contact area between the assembly slot 111 and the corresponding connecting piece, so that the clamping boss 113 can better disperse and withstand the pressure from the corresponding connecting piece, which is conducive to enhancing the structural strength of the screen connecting and positioning member. Secondly, the contact length between the bolt or nut and the connecting piece is further increased, thereby enhancing the stability of the connection. Under the action of vibration or dynamic load, the connecting pieces are not easy to move relative to each other, reducing the possibility of loosening, effectively reducing the loosening caused by vibration or dynamic load. Due to the enhancement of connection strength and improvement of anti-vibration ability, it is helpful to prolong the service life of the connection part and reduce the cost caused by frequent maintenance or replacement of the connecting piece.

[0033] Further, the first mounting plate 11 and the second mounting plate 12 are integrally formed, so that the connection points between the first mounting plate 11 and the second mounting plate 12 are reduced, avoiding the connection points of the first mounting plate 11 and the second mounting plate 12 being weak and easy to break or fail, which is conducive to improving the service life of the screen connecting and positioning member 1. The first mounting plate 11 and the second mounting plate 12 are integrally formed, which can more evenly disperse the stress on the screen connecting and positioning member 1, and improve the overall strength and durability of the screen connecting and positioning member 1.

[0034] Further, the edge of the first mounting plate 11 is inwardly recessed to form a chamfer. The edge of the first mounting plate 11 is processed into a chamfer, which can remove the sharp edges or sharp corners of the edge of the first mounting plate 11, avoid causing scratches or cuts during use or assembly process of employees and friction and collision between the first mounting plate 11 and other workpieces, and be beneficial to protect the safety of employees; secondly, the edge of the first mounting plate 11 is inwardly recessed to form a chamfer, which can reduce stress concentration of the first mounting plate 11, avoid crack propagation or fracture due to stress concentration, and thus improve the overall strength and durability of the screen connecting positioning member.

[0035] Further, the first mounting plate 11 is provided with a plurality of connecting holes 114, and the plurality of connecting holes 114 are located at both ends of the assembly groove 111. In the embodiment, the first mounting plate 11 is provided with two connecting holes 114, and the two connecting holes 114 are respectively located at both ends of the assembly groove 111. When the fixed part fixes the screen connecting positioning member in the corresponding position through the two connecting holes 114, the two connecting holes 114 are respectively fixed by screws at different positions, which can form a more stable structure, improve the overall torsional resistance, disperse the stress to a larger area, reduce the load borne by a single screw, thereby reducing the risk of screw loosening or breaking, and improving the fastening degree of the screen connecting positioning member fixed in the corresponding position.

[0036] Further, the inner diameter of any connecting hole 114 gradually decreases away from the assembly surface of the first mounting plate 11. The hole diameter of the connecting hole 114 is reduced, which is helpful to reduce the gap between the positioning pin and the first mounting plate 11, so that the fitting gap between the positioning pin and the first mounting plate 11 is also reduced, so that the connecting member and the decorative plate are more closely and accurately connected, and at the same time, the movement range of the part can be more effectively limited, thereby maintaining high repeat positioning accuracy during multiple assembly and disassembly processes. Secondly, the contact area between the positioning hole and the positioning pin is increased, which is helpful to enhance the stability of the structure, increase the contact area between the connecting hole 114 and the positioning pin, and reduce the loosening or displacement of the part caused by vibration or external force, which is beneficial to increase the structural stability between the connecting hole 114 and the positioning pin, and strengthen the installation stability of the screen connecting positioning member.

[0037] Further, the angle between the first mounting plate 11 and the second mounting plate 12 is 90°, which is one of the most stable angles in geometry and has the greatest structural stability. The first mounting plate 11 and the second mounting plate 12 are connected at a right angle, which can ensure the accuracy and efficiency of power transmission, enhance the overall structural strength, and help reduce stress concentration in the structure and the risk of damage due to excessive stress.

[0038] Specifically, when the screen connecting positioning piece 1 is attached to the corresponding square tube, the screen connecting positioning piece 1 is fixed to the corresponding square tube through the connecting component, the connecting component is inserted into the assembly slot 111 of the screen connecting positioning piece 1, the connecting component is connected with the screen connecting positioning piece 1, and an integral body is formed. A plurality of connecting holes 114 on the screen connecting positioning piece 1 are sequentially screwed into self-tapping screws, so that the screen connecting positioning piece 1 can be fixed to the corresponding square tube, and the stability of the screen connecting positioning piece 1 is enhanced. After the connecting component is inserted into the corresponding assembly slot 111, a plurality of studs can be used to connect the connecting component with the corresponding square tube, so that the connecting component is fixed to the corresponding square tube. At the same time, the connecting component has a force on the fixing boss 112 on the screen connecting positioning piece 1, so that the entire screen connecting positioning piece 1 is more attached to the corresponding square tube, and the stability of the screen connecting positioning piece 1 is enhanced.

[0039] Further, the material of the screen connecting positioning piece 1 is plastic. When the material of the screen connecting positioning piece 1 is plastic, the plastic has a certain elasticity. When the size of the iron frame is slightly larger than the size of the screen connecting positioning piece 1, the screen connecting positioning piece 1 can deform to a certain extent, that is, the screen connecting positioning piece 1 can be expanded, so that the screen connecting positioning piece 1 can be installed on the corresponding iron frame. Due to the elasticity of the plastic material of the screen connecting positioning piece 1, the screen connecting positioning piece 1 is tightly attached to the corresponding iron frame, and the connection strength of the screen connecting positioning piece 1 on the corresponding iron frame is enhanced. Secondly, the production cost of the plastic connecting piece is generally low, and the processing process of the plastic connecting piece is relatively simple and does not require complex technology and equipment. This makes the plastic material of the screen connecting piece have an advantage in cost, especially in large-scale production, which can significantly reduce production costs.

[0040] The utility model discloses a screen, screen connection positioning piece 1, screen connecting piece and iron frame are included, screen connection positioning piece 1 is installed on the iron frame, screen connecting piece is installed in the assembly slot 111 in screen connection positioning piece.

[0041] Specifically, when the perfusion polyurethane raw material foams, the whole iron frame is put into the corresponding mold, the screen connection positioning piece 1 installed on the iron frame is matched with the inner frame of the mold, the screen connection positioning piece 1 abuts against the inner frame of the mold, fills the gap between the iron frame and the mold, avoids the gap between the iron frame and the inner frame of the mold after the iron frame is put into the corresponding mold, the iron frame appears deviation or moves in the foaming process, causes the foaming quality and the expected to have the difference, the iron frame always keeps in the center point in the mold in the foaming process, reduces the risk of deviation of the iron frame in the foaming process, improves the quality of foaming.

[0042] To sum up, the utility model discloses a wave boss, wave boss changes the flow direction and size of fluid, thereby enhancing the forced convection effect of fluid, reduces the flow resistance, thereby improve production efficiency;Wave groove is still formed between wave boss in the utility model, improve the flowability of raw materials in the foaming process, make raw materials can smoothly flow along the working direction, evenly spread its flow trajectory, reduce the risk of raw material solidification, be favorable to improve the yield of processing;Still set up elliptical assembly slot through wave boss, corresponding connecting piece is tightly installed in the assembly slot and reduces stress mutation and concentration effect, be favorable to improve the structural stability of assembly slot, the screen connection positioning piece of the utility model is set up on the screen, and the inner frame of corresponding mold abuts against the screen positioning piece, makes the whole screen iron frame fixed in the center position, reduces the risk of deviation of iron frame in the foaming process, improves the quality of foaming.

[0043] In addition, the screen connecting and positioning member and the screen provided by the embodiments of the utility model are introduced in detail, the principle and implementation mode of the utility model are described by using specific examples in this paper, the above embodiment is only used for helping understanding the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, there will be changes in the specific implementation mode and application range, and the above, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A screen connecting positioning member, characterized by, The screen connecting positioning member comprises a first mounting plate and a second mounting plate, and the second mounting plate is located on the opposite side of the first mounting plate; A plurality of wave-shaped bosses with a cross-sectional area of a bell-shaped curve are arranged on any one of the second mounting plates, the height of the wave-shaped bosses on the same side gradually increases away from the first mounting plate, a wave-shaped groove is formed between any two adjacent wave-shaped bosses, and the width of each wave-shaped groove is the same; The two ends of any one of the wave-shaped bosses are recessed towards the center of the wave-shaped boss to form an arc-shaped slope. An assembly groove is arranged on the first mounting plate, and the assembly groove is an oval groove.

2. The screen connecting positioning member according to claim 1, wherein The side wall of the assembly groove extends towards the center of the groove to form a fixing boss as a step.

3. The screen connecting positioning member according to claim 2, wherein The end surface of the fixing boss extends away from the assembly surface of the first mounting plate to form a clamping boss.

4. The screen connecting positioning member according to claim 1, wherein The first mounting plate and the second mounting plate are integrally formed.

5. The screen connecting positioning member according to claim 1, wherein The edge of the first mounting plate is recessed inward to form a chamfer.

6. The screen connecting positioning member according to claim 1, wherein A plurality of connecting holes are arranged on the first mounting plate, and the connecting holes are located at the two ends of the assembly groove.

7. The screen connecting positioning member according to claim 6, wherein The inner diameter of any one of the connecting holes gradually decreases away from the assembly surface of the first mounting plate.

8. The screen connecting positioning member according to claim 1, wherein The angle between the first mounting plate and the second mounting plate is 90°.

9. The screen connecting positioning member according to claim 1, wherein The material of the screen connecting positioning member is plastic.

10. A screen, characterized in that The screen comprises the screen connecting positioning member, a screen connecting member, and an iron stand according to any one of claims 1 to 9, the screen connecting positioning member is installed on the iron stand, and the screen connecting member is installed in the assembly groove in the screen connecting positioning member.

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