Positioning film capable of preventing uneven stretching of meshes

Abstract

The utility model discloses a positioning film capable of preventing non-uniform stretching of meshes, which comprises an edge strip, a positioning film body is arranged in the edge strip, a positioning hole is arranged in the positioning film body, a groove is arranged on the left side of the edge strip, a matching groove is arranged on the right side of the edge strip, a mounting block is arranged outside the left side of the edge strip, and a positioning hole is arranged in the matching groove. The mounting blocks are matched with the matching grooves, fixing mechanisms used for fixing the mounting blocks are arranged on the two sides of the mounting blocks, and connecting mechanisms used for connecting the mounting blocks are arranged in the grooves. The two inserting blocks are pushed into the two inserting grooves under the action of a plurality of extrusion springs, so that the fixing of the mounting block and the matching groove is realized, the quick mounting of the positioning film body is realized, and convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of radiotherapy, in particular to a positioning film capable of preventing uneven stretching of mesh holes. Background Art

[0002] The radiotherapy positioning film generally adopts a low-temperature thermoplastic plate. The low-temperature thermoplastic plate is placed in hot water at 65°C and completely softens in about 1 minute. The characteristic of the completely softened material is: transparent. Complete softening is beneficial to the shaping and fixing effects of the material, and can improve the comfort of the patient during the shaping process. The low-temperature thermoplastic plate is a material with memory performance and can be reshaped and used repeatedly. When the shaping and fixing are not good, the stretched and deformed material can be softened again by putting it into hot water at 65°C.

[0003] In the prior art, when using a positioning film capable of preventing uneven stretching of mesh holes, it is generally installed and fixed. However, the installation and fixing devices in the prior art are generally more complex to use and require multiple operations to fix the positioning film, which is more complex in operation, brings certain troubles to people, and cannot bring convenience to people. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art. Under the action of multiple extrusion springs, two insertion blocks are pushed into two slots, so as to realize the fixation of the installation block and the mating groove, and realize the rapid installation of the positioning film body, bringing convenience to people. A positioning film capable of preventing uneven stretching of mesh holes is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A positioning film capable of preventing uneven stretching of mesh holes, including a side strip. A positioning film body is arranged inside the side strip. Positioning holes are opened inside the positioning film body. A groove is opened on the left side of the side strip. A mating groove is opened on the right side of the side strip. An installation block is arranged outside the left side of the side strip. The installation block is matched with the mating groove. Fixing mechanisms for fixing it are arranged on both sides of the installation block. A connecting mechanism for connecting the installation block is arranged inside the groove.

[0007] Preferably, the fixing mechanism includes strip-shaped grooves opened on the side walls of both sides of the installation block. Moving plates are slidably connected inside the two strip-shaped grooves. The moving plates are elastically connected with the bottoms of the strip-shaped grooves through two symmetrically arranged extrusion springs. Insertion blocks are arranged on the side walls of the moving plates. Inclined surfaces are opened on the side walls of the two insertion blocks.

[0008] Preferably, the connecting mechanism includes a rotating rod arranged inside the groove. Two symmetrically arranged connecting cloths are wound around the outer wall of the rotating rod. The ends of the two connecting cloths are both connected with the side wall of the installation block.

[0009] Preferably, slots are formed on both side walls of the fitting groove, and the two slots are respectively matched with the two inserting blocks.

[0010] Preferably, through rods are slidably connected through between the two slots and the side strip, extrusion plates are arranged at the ends of the two through rods, and the two extrusion plates and the side strip are elastically connected through return springs.

[0011] Preferably, both ends of the rotating rod are rotatably connected to the groove, and a torsion spring is arranged at the rotating connection of the rotating rod and the groove.

[0012] Advantages of the utility model:

[0013] 1. Under the action of a plurality of extrusion springs, the two inserting blocks are pushed into the two slots, so as to fix the mounting block and the fitting groove, and realize the rapid installation of the positioning film body, which brings convenience to people.

[0014] 2. By making the two through rods push the two inserting blocks back into the strip-shaped groove again to separate the inserting blocks from the slots, the rapid disassembly of the positioning film body is realized, which brings convenience to people. Description of the drawings

[0015] Figure 1 is the front view schematic diagram of the overall structure of the utility model;

[0016] Figure 2 is the left view schematic diagram of the overall structure of the utility model;

[0017] Figure 3 is the right view schematic diagram of the overall structure of the utility model.

[0018] In the figure: 1 side strip, 2 positioning film body, 3 positioning hole, 4 groove, 5 rotating rod, 6 torsion spring, 7 connecting cloth, 8 mounting block, 9 strip-shaped groove, 10 inserting block, 11 inclined surface, 12 fitting groove, 13 slot, 14 through rod, 15 extrusion plate, 16 return spring, 17 moving plate, 18 extrusion spring. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0021] Referring to Figures 1-3 , a positioning film that can prevent uneven stretching of the mesh holes, includes a side strip 1. A positioning film body 2 is provided inside the side strip 1. A positioning hole 3 is opened inside the positioning film body 2. A groove 4 is opened on the left side of the side strip 1, and a mating groove 12 is opened on the right side of the side strip 1. An installation block 8 is provided outside the left side of the side strip 1. The installation block 8 is matched with the mating groove 12. Fixing mechanisms for fixing it are provided on both sides of the installation block 8. The fixing mechanism includes strip-shaped grooves 9 opened on the side walls of both sides of the installation block 8. A moving plate 17 is slidably connected in each of the two strip-shaped grooves 9. The moving plate 17 is elastically connected to the bottom of the strip-shaped groove 9 through two symmetrically arranged compression springs 18. An insertion block 10 is provided on the side wall of the moving plate 17. Inclined surfaces 11 are opened on the side walls of the two insertion blocks 10. Under the action of a plurality of compression springs 18, the two insertion blocks 10 are pushed into the two insertion slots 13, thereby realizing the fixation of the installation block 8 and the mating groove 12, and realizing the rapid installation of the positioning film body 2, which brings convenience to people.

[0022] A connecting mechanism for connecting the installation block 8 is provided in the groove 4. The connecting mechanism includes a rotating rod 5 provided in the groove 4. Two symmetrically arranged connecting cloths 7 are wound around the outer wall of the rotating rod 5. The ends of the two connecting cloths 7 are respectively connected to the side wall of the installation block 8.

[0023] Insertion slots 13 are opened on the two side walls of the mating groove 12. The two insertion slots 13 are respectively matched with the two insertion blocks 10.

[0024] A through rod 14 is slidably connected through between the two insertion slots 13 and the side strip 1. A pressing plate 15 is provided at the end of each of the two through rods 14. The two pressing plates 15 and the side strip 1 are elastically connected through a return spring 16. By pushing the two through rods 14 to make the two insertion blocks 10 return to the strip-shaped grooves 9 again, the insertion blocks 10 are separated from the insertion slots 13, thereby realizing the rapid disassembly of the positioning film body 2, which brings convenience to people.

[0025] Both ends of the rotating rod 5 are rotatably connected to the groove 4. A torsion spring 6 is provided at the rotating connection of the rotating rod 5 and the groove 4.

[0026] When the utility model is in use, when installing the positioning film body 2, under the connection action of the two connecting cloths 7 between the mounting block 8 and the rotating rod 5, the mounting block 8 is pulled, so that the mounting block 8 pulls the two connecting cloths 7 to move. When the two inclined surfaces 11 on the side wall of the mounting block 8 contact the matching groove 12, the mounting block 8 is pushed inward. Under the action of the inclined surface 11 on the inserting block 10 and the sliding connection between the moving plate 17 and the strip-shaped groove 9, the two inserting blocks 10 return to the strip-shaped groove 9. When the two inserting blocks 10 and the two inserting slots 13 are on the same horizontal plane, under the action of a plurality of pressing springs 18, the two inserting blocks 10 are pushed into the two inserting slots 13, so as to realize the fixation of the mounting block 8 and the matching groove 12, and realize the rapid installation of the positioning film body 2, bringing convenience to people;

[0027] When it is necessary to remove the positioning film body 2, press the two pressing plates 15, so that the two pressing plates 15 push the two through rods 14 to move, so that the two through rods 14 push the two inserting blocks 10 to return to the strip-shaped groove 9 again, separating the inserting blocks 10 from the inserting slots 13, so as to realize the rapid disassembly of the positioning film body 2, bringing convenience to people.

[0028] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the utility model.

Claims

1. A positioning film capable of preventing uneven stretching of mesh, comprising a side strip (1), characterized in that: A positioning film body (2) is provided inside the side strip (1), a positioning hole (3) is provided inside the positioning film body (2), a groove (4) is provided on the left side of the side strip (1), a matching groove (12) is provided on the right side of the side strip (1), a mounting block (8) is provided on the left side of the side strip (1), the mounting block (8) matches with the matching groove (12), fixing mechanisms for fixing the mounting block (8) are provided on both sides of the mounting block (8), and a connecting mechanism for connecting the mounting block (8) is provided in the groove (4).

2. A positioning film capable of preventing uneven mesh stretching according to claim 1, characterized in that: The fixing mechanism comprises strip grooves (9) provided on the side walls of both sides of the mounting block (8), wherein the two strip grooves (9) are both slidably connected with a movable plate (17), wherein the movable plate (17) is elastically connected to the bottom of the strip groove (9) via two symmetrically arranged extrusion springs (18), wherein the side walls of the movable plate (17) are provided with an insert block (10), and the side walls of the two insert blocks (10) are both provided with an inclined surface (11).

3. A positioning film capable of preventing uneven mesh stretching according to claim 2, characterized in that: The connecting mechanism comprises a rotating rod (5) arranged in a groove (4), the outer wall of the rotating rod (5) being wrapped with two symmetrically arranged connecting cloths (7), and the ends of the two connecting cloths (7) are both connected to the side wall of the mounting block (8).

4. A positioning film capable of preventing uneven mesh stretching according to claim 3, characterized in that: Slots (13) are provided on the groove walls on both sides of the matching groove (12), and the two slots (13) are matched with the two inserting blocks (10) respectively.

5. A positioning film capable of preventing uneven mesh stretching according to claim 4, characterized in that: A through rod (14) is slidably connected between the two slots (13) and the side strip (1), and an extrusion plate (15) is provided at the end of the two through rods (14). The two extrusion plates (15) are elastically connected to the side strip (1) via a return spring (16).

6. A positioning film capable of preventing uneven mesh stretching according to claim 5, characterized in that: Both ends of the rotating rod (5) are rotatably connected to the groove (4), and a torsion spring (6) is provided at the rotatably connected portion between the rotating rod (5) and the groove (4).

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