Automatic ejection mechanism for C-arm grid

Abstract

The utility model relates to the technical field of medical X-ray photography, in particular to an automatic ejection mechanism for a C-arm grid. Comprising a retainer, a first guide rail, a first reset extension spring, an adjusting sliding piece, a tensioning swing rod, a second guide rail, a second reset extension spring and a reset sliding block, the retainer is slidably connected with the first guide rail and the second guide rail, and the two ends of the first reset extension spring are connected with the first guide rail and the adjusting sliding piece respectively; one end of the tensioning swing rod is connected with the adjusting sliding piece in a sliding mode, the other end of the tensioning swing rod is fixedly connected with the first guide rail, the retainer is provided with a clamping groove, the adjusting sliding piece is matched with the clamping groove, and the two ends of the second reset extension spring are connected with the second guide rail and the reset sliding block respectively. The effect that the grid is convenient to disassemble and assemble is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical X-ray photography, in particular to an automatic pop-up mechanism for a C-arm filter grid. Background Art

[0002] Currently, C-arm products are often used in the medical X-ray photography industry. In C-arm products, the filter grid is fixedly installed in the product cover, which is troublesome to disassemble and remove, and the cover needs to be opened to remove.

[0003] Therefore, it is very necessary to propose a C-arm grid automatic ejection mechanism that is convenient for disassembling and assembling the grid. Utility Model Content

[0004] The utility model aims to provide a C-arm filter grid automatic pop-up mechanism, which solves the problem that in a C-arm product, the filter grid is fixedly installed in a product cover, which is troublesome to disassemble and install and requires opening the cover to remove.

[0005] To achieve the above-mentioned purpose, the utility model adopts a C-arm filter grid automatic pop-up mechanism, including a retaining frame, a first guide rail, a first reset tension spring, an adjusting slide, a tensioning rocker, a second guide rail, a second reset tension spring and a reset slide, the retaining frame is respectively slidably connected to the first guide rail and the second guide rail, the two ends of the first reset tension spring are respectively connected to the first guide rail and the adjusting slide, one end of the tensioning rocker is slidably connected to the adjusting slide, and the other end of the tensioning rocker is fixedly connected to the first guide rail, the retaining frame has a slot, the adjusting slide is adapted to the slot, and the two ends of the second reset tension spring are respectively connected to the second guide rail and the reset slide.

[0006] Among them, the adjustment slide includes an adjustment slider and a hook, the adjustment slider is slidably connected to the first guide rail, the two ends of the first reset tension spring are respectively connected to the first guide rail and the adjustment slider, the hook is fixedly connected to the adjustment slider and is located on the outer side wall of the adjustment slider, and the hook is adapted to the slot.

[0007] Wherein, the adjusting slide also includes a guide shaft, the first guide track has a guide bevel groove, the guide shaft is fixedly connected to the hook and is located on the outer side wall of the hook, and the guide shaft is slidably arranged in the guide bevel groove.

[0008] Wherein, the adjusting slider has a first groove surface, a second groove surface, a third inclined groove surface, a fourth groove surface and a fifth groove surface.

[0009] Wherein, the C-arm filter grid automatic pop-up mechanism also includes a photoelectric sensing switch, and the photoelectric sensing switch is arranged on the second guide rail.

[0010] The utility model provides a C-arm filter grid automatic pop-up mechanism, the filter grid and the retaining frame are slowly pushed forward along the first guide rail and the second guide rail, the inclined surface of the retaining frame contacts the adjusting slide, and the adjusting slide is inserted into the slot to fix the filter grid; the first reset stretch spring and the second reset stretch spring maintain the filter grid flat; when popping out, the retaining frame is pressed, the hook is disengaged from the slot, and under the action of the first reset stretch spring and the second reset stretch spring, the retaining frame pops out, thereby achieving the effect of facilitating the disassembly and assembly of the filter grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the automatic pop-up mechanism of the C-arm filter grid of the utility model.

[0013] Figure 2 It is a structural front view of the automatic pop-up mechanism of the C-arm filter grid of the utility model.

[0014] Figure 3 It is a partial structural schematic diagram of the automatic pop-up mechanism of the C-arm filter grid of the utility model.

[0015] 10-retaining frame, 11-slot, 20-first guide rail, 30-first reset stretch spring, 40-adjusting slide, 41-adjusting slider, 42-hook, 43-guide shaft, 44-first groove surface, 45-second groove surface, 46-third inclined groove surface, 47-fourth groove surface, 48-fifth groove surface, 50-tensioning rocker, 60-second guide rail, 70-second reset stretch spring, 80-reset slider, 90-photoelectric sensor switch, 100-filter grid. DETAILED DESCRIPTION

[0016] See also Figure 1 to Figure 3 ,in Figure 1 This is a schematic diagram of the structure of the automatic pop-up mechanism of the C-arm filter grid. Figure 2 This is the front view of the structure of the C-arm grid automatic ejection mechanism. Figure 3 It is a partial structural schematic diagram of the automatic ejection mechanism of the C-arm filter grid.

[0017] The utility model provides a C-arm filter grid automatic pop-up mechanism, comprising a retaining frame 10, a first guide rail 20, a first reset stretching spring 30, an adjusting slide 40, a tensioning swing rod 50, a second guide rail 60, a second reset stretching spring 70 and a reset slide 80, wherein the retaining frame 10 is slidably connected to the first guide rail 20 and the second guide rail 60 respectively, the two ends of the first reset stretching spring 30 are respectively connected to the first guide rail 20 and the adjusting slide 40, one end of the tensioning swing rod 50 is slidably connected to the adjusting slide 40, the other end of the tensioning swing rod 50 is fixedly connected to the first guide rail 20, the retaining frame 10 has a card slot 11, the adjusting slide 40 is adapted to the card slot 11, and the two ends of the second reset stretching spring 70 are respectively connected to the second guide rail 60 and the reset slide 80.

[0018] In this embodiment, the grid 100 and the retaining frame 10 are slowly advanced along the first guide rail 20 and the second guide rail 60, the inclined surface of the retaining frame 10 contacts the adjusting slide 40, and the adjusting slide 40 is inserted into the slot 11 to fix the grid 100; the first return tension spring 30 and the second return tension spring 70 maintain the grid 100 flat; when popping out, the retaining frame 10 is pressed, the hook 42 escapes from the slot 11, and under the action of the first return tension spring 30 and the second return tension spring 70, the retaining frame 10 pops out, thereby facilitating the disassembly and assembly of the grid 100.

[0019] Furthermore, the adjusting slide 40 includes an adjusting slider 41 and a hook 42, the adjusting slider 41 is slidably connected to the first guide rail 20, the two ends of the first return tension spring 30 are respectively connected to the first guide rail 20 and the adjusting slider 41, the hook 42 is fixedly connected to the adjusting slider 41 and is located on the outer side wall of the adjusting slider 41, and the hook 42 is adapted to the card slot 11.

[0020] Furthermore, the adjusting slide 40 also includes a guide shaft 43, the first guide rail 20 has a guide bevel groove, the guide shaft 43 is fixedly connected to the hook 42 and is located on the outer side wall of the hook 42, and the guide shaft 43 is slidably disposed in the guide bevel groove.

[0021] Furthermore, the adjusting slider 41 has a first groove surface 44 , a second groove surface 45 , a third inclined groove surface 46 , a fourth groove surface 47 and a fifth groove surface 48 .

[0022] In this embodiment, when the advance is continued, the retaining frame 10 pushes the adjusting slider 41 to move in the stretching direction of the first reset stretching spring 30, and at the same time, the guide shaft 43 moves along the guide inclined groove, so that the hook 42 is pressed downward, and the tensioning swing rod 50 moves along the surface of the adjusting slider 41; the retaining frame 10 is continued to be advanced until the hook 42 enters the slot 11, and the first reset stretching spring 30 and the tensioning swing rod 50 act on the fifth slot surface 48 at the same time to fix the filter grid 100; the first reset stretching spring 30 and the second reset stretching spring 70 maintain the filter grid 100. The gate 100 is balanced; the adjusting slider 41 has a plurality of grooves with different groove depths, which are arranged in the order of height: the fourth groove surface 47> the fifth groove surface 48> the first groove surface 44> the second groove surface 45, wherein the third inclined groove surface 46 is an inclined surface, and according to the plugging and unplugging action, the tensioning rocker 50 passes through the third inclined groove surface 46 and transitions from the second groove surface 45 to the fourth groove surface 47; when ejecting, the retaining frame 10 is pressed, and the tensioning rocker 50 enters the first groove surface 44 from the fifth groove surface 48 and slides along the first groove surface 44, and at the same time, the guide shaft 43 slides in the guide inclined groove.

[0023] Furthermore, the C-arm grid automatic pop-up mechanism further includes a photoelectric sensor switch 90 , and the second guide rail 60 is provided with the photoelectric sensor switch 90 .

[0024] In this embodiment, the photoelectric sensor switch 90 is used to identify whether the grid 100 is installed.

[0025] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A C-arm grid automatic ejection mechanism, characterized in that: The invention comprises a retaining frame, a first guide rail, a first return stretching spring, an adjusting slide, a tensioning rocker, a second guide rail, a second return stretching spring and a return slide block, wherein the retaining frame is respectively slidably connected to the first guide rail and the second guide rail, the two ends of the first return stretching spring are respectively connected to the first guide rail and the adjusting slide block, one end of the tensioning rocker is slidably connected to the adjusting slide block, the other end of the tensioning rocker is fixedly connected to the first guide rail, the retaining frame has a slot, the adjusting slide block is matched with the slot, and the two ends of the second return stretching spring are respectively connected to the second guide rail and the return slide block.

2. The C-arm grid automatic ejection mechanism according to claim 1, characterized in that: The adjusting slide comprises an adjusting slider and a hook, the adjusting slider is slidably connected to the first guide rail, the two ends of the first reset tension spring are respectively connected to the first guide rail and the adjusting slider, the hook is fixedly connected to the adjusting slider and is located on the outer side wall of the adjusting slider, and the hook is adapted to the card slot.

3. The C-arm grid automatic ejection mechanism according to claim 2, characterized in that: The adjusting slide also includes a guide shaft, the first guide track has a guide bevel groove, the guide shaft is fixedly connected to the hook and is located on the outer side wall of the hook, and the guide shaft is slidably arranged in the guide bevel groove.

4. The C-arm grid automatic ejection mechanism according to claim 2, characterized in that: The adjusting slide block has a first groove surface, a second groove surface, a third inclined groove surface, a fourth groove surface and a fifth groove surface.

5. The C-arm grid automatic ejection mechanism according to claim 1, characterized in that: The C-arm grid automatic pop-up mechanism further includes a photoelectric sensor switch, and the second guide rail is provided with the photoelectric sensor switch.

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