A positioning guide structure

Abstract

The utility model is suitable for handle shell processing technical field provides a kind of positioning guide structure, including positioning guide plate, and positioning guide plate is distributed with positioning guide counterbore, and the distribution position and distribution quantity of positioning guide counterbore, hot-pressing column and reserved hole are identical;The sinking depth of positioning guide counterbore in positioning guide plate matches with the height position of reserved hole on handle shell, and the top of positioning guide counterbore is provided with conical platform, and the bottom of positioning guide counterbore is provided with straight through hole, and the bottom of straight through hole is attached with the top of reserved hole;The design of positioning guide counterbore can keep the upright state of nut without manual adjustment posture, so that the lower end surface of nut is attached with the entry end surface of reserved hole, to complete accurate guidance and positioning of nut, multiple hot-pressing columns can simultaneously melt multiple nuts on handle shell, realize the one-time assembly of handle shell and nut, reduce the assembly times and assembly time of nut.

Description

Technical Field

[0001] This utility model belongs to the field of handle shell processing technology, and in particular relates to a positioning and guiding structure. Background Technology

[0002] Electric instruments such as electric hospital beds or electric operating tables are equipped with remote control handles. The outer shell of the handle is made of high-strength plastic material, and its surface has multiple pre-drilled circular holes. The purpose of these holes is to assemble stainless steel nuts through a hot-pressing process. Subsequently, the internal circuit modules, button components, and other components of the remote control handle can be fastened to the outer shell with screws, thereby ensuring the operational stability of the remote control handle.

[0003] At present, during the hot-melt process of the nut and the reserved hole, the stainless steel nut must be placed one by one above the reserved hole by hand. At this time, the operator needs to adjust the nut posture based on experience to ensure that the nut axis is roughly aligned with the reserved hole axis. This can easily cause the nut to tilt or shift, which will lead to the nut not being able to be pressed in accurately during subsequent hot pressing, or even cause the plastic around the reserved hole to crack.

[0004] Furthermore, the manual operation method requires positioning the nuts on the same handle housing twice, which means that the nuts on the same handle housing need to be placed and hot-pressed twice. The two hot pressings require changing the hot pressing head or adjusting the work position, which increases the difficulty of hot melting the nuts and consumes a lot of positioning time, thus affecting the assembly efficiency and assembly quality of the handle housing.

[0005] Therefore, in view of the above situation, there is an urgent need to develop a positioning guidance structure to overcome the shortcomings in current practical applications. Utility Model Content

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model embodiment is to provide a positioning and guiding structure to solve the problems in the background technology mentioned above.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A positioning guide structure includes a positioning guide plate, which is synchronously assembled with a handle housing, a nut, and a hot-pressing column. The hot-pressing column is distributed at the bottom of the hot-pressing block. The positioning guide plate has positioning guide countersunk holes, and the handle housing has reserved holes that mate with the nut. The positioning guide countersunk holes, hot-pressing columns, and reserved holes are distributed in the same position and in the same number.

[0009] The positioning guide countersunk hole is positioned such that the depth of the countersunk hole on the positioning guide plate matches the height of the pre-drilled hole on the handle housing. The top of the positioning guide countersunk hole is provided with a conical platform, and the bottom of the positioning guide countersunk hole is provided with a straight through hole. The bottom of the straight through hole fits with the top of the pre-drilled hole.

[0010] As a further technical solution of this utility model, the shape and specifications of the positioning guide plate are adapted to the shape and specifications of the handle housing assembly surface.

[0011] As a further technical solution of this utility model, the outer wall of the bottom of the hot-pressing column is configured as a conical structure, and the taper of the conical platform is greater than the taper of the conical structure on the hot-pressing column.

[0012] As a further technical solution of this utility model, the inner diameter of the straight through hole is larger than the outer diameter of the nut and the bottom of the hot-pressing column.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] Because the shape and specifications of the positioning guide plate are adapted to the handle shell, and the outer peripheral wall of the positioning guide plate is flush with the outer peripheral wall of the handle shell, the positioning guide countersunk hole on the positioning guide plate is precisely aligned with the reserved hole on the handle shell and is completely coaxial. When a certain number of nuts are placed into the straight through hole, the nuts can fall naturally along the hole wall and remain upright without manual adjustment. This allows the lower end face of the nut to fit against the inlet end face of the reserved hole, thereby completing the precise guidance and positioning of the nut.

[0015] Because the sinking depth of the positioning guide hole on the positioning guide plate matches the height of the pre-drilled hole on the handle shell, multiple hot-pressing pins can simultaneously heat-melt multiple nuts onto the handle shell, achieving one-time assembly of the handle shell and nuts, reducing the number of nut assembly steps and assembly time, and improving the assembly efficiency and quality of nuts on the handle shell.

[0016] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Figure 1 A schematic diagram of the positioning and guiding structure provided in an embodiment of this utility model.

[0018] Figure 2 for Figure 1 Exploded view of the structure.

[0019] Figure 3 An enlarged view of the positioning and guiding structure provided in an embodiment of this utility model.

[0020] Reference numerals: 1-positioning guide plate, 2-handle housing, 3-hot pressing block, 4-hot pressing column, 5-pre-drilled hole, 6-nut, 7-positioning guide countersunk hole, 8-conical platform. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0023] like Figures 1 to 3 As shown, a positioning guide structure provided in one embodiment of this utility model includes a positioning guide plate 1. The positioning guide plate 1 is synchronously assembled with the handle housing 2, the nut 6, and the hot-pressing column 4. The hot-pressing column 4 is distributed at the bottom of the hot-pressing block 3. The positioning guide plate 1 has positioning guide countersunk holes 7. The handle housing 2 has reserved holes 5 that cooperate with the nut 6. The distribution positions and quantities of the positioning guide countersunk holes 7, the hot-pressing column 4, and the reserved holes 5 are consistent. The sinking depth of the positioning guide countersunk holes 7 on the positioning guide plate 1 matches the height position of the reserved holes 5 on the handle housing 2. The shape and specifications of the positioning guide plate 1 are adapted to the shape and specifications of the assembly surface of the handle housing 2. The top of the positioning guide countersunk hole 7 is provided with a conical platform 8, and a straight through hole is opened at its bottom. The bottom of the straight through hole is in contact with the top of the reserved hole 5. The outer wall of the bottom of the hot-pressing column 4 is set as a conical structure. The taper of the conical platform 8 is greater than the taper of the conical structure on the hot-pressing column 4.

[0024] Before the nut 6 is heat-melted, the positioning guide plate 1 is placed on the handle housing 2, and the bottom of the positioning guide plate 1 is fully fitted with the mounting surface of the handle housing 2. At the same time, since the shape and specifications of the positioning guide plate 1 are adapted to the handle housing 2, the outer peripheral wall of the positioning guide plate 1 is flush with the outer peripheral wall of the handle housing 2, so that the positioning guide countersunk hole 7 on the positioning guide plate 1 is precisely aligned with the reserved hole 5 on the handle housing 2 and is completely coaxial.

[0025] A certain number of nuts 6 are placed into the straight through hole. The nuts 6 can fall naturally along the hole wall and remain upright without manual adjustment. This allows the lower end face of the nuts 6 to fit into the inlet end face of the reserved hole 5, thereby completing the precise guidance and positioning of the nuts 6.

[0026] The hot pressing equipment is started, and the hot pressing equipment drives the hot pressing block 3 and the hot pressing column 4 on it to move down. The hot pressing column 4 is aligned with the straight through hole. Since the taper of the conical platform 8 is greater than the taper of the bottom of the hot pressing column 4, the conical platform 8 can avoid the hot pressing column 4 during the downward movement, so that its bottom can smoothly enter the straight through hole and complete the hot pressing of the nut 6. The nut 6 in the hot pressing state can be heat-melted in the reserved hole 5. At the same time, since the sinking depth of the positioning guide countersunk hole 7 on the positioning guide plate 1 matches the height position of the reserved hole 5 on the handle shell 2, multiple hot pressing columns 4 can simultaneously heat-melt multiple nuts 6 onto the handle shell 2, realizing the one-time assembly of the handle shell 2 and the nut 6, reducing the number of assembly times and assembly time of the nut 6, and improving the assembly efficiency and assembly quality of the nut 6 on the handle shell 2.

[0027] In this embodiment, the handle housing 2 is preferably made of plastic, and the nut 6 is preferably made of stainless steel.

[0028] like Figures 1 to 3 As shown in the preferred embodiment of this utility model, the inner diameter of the straight through hole is larger than the outer diameter of the bottom of the nut 6 and the hot pressing column 4. This allows the nut 6 to be positioned and guided by the straight through hole, while also allowing the bottom of the nut 6 and the hot pressing column 4 to smoothly enter the straight through hole. This facilitates the hot pressing column 4 to quickly heat press the nut 6 and allow the nut 6 to be quickly heat-melted in the reserved hole 5.

[0029] like Figures 1 to 3 As shown, in a preferred embodiment of this utility model, the inner diameter of the reserved hole 5 is slightly smaller than the outer diameter of the nut 6. Under the premise of ensuring effective heat fusion connection between the nut 6 and the handle housing 2, the heat fusion difficulty of the nut 6 can be reduced, the heat fusion time can be reduced, and the processing efficiency of the handle housing 2 can be improved.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A positioning and guiding structure, characterized in that, The device includes a positioning guide plate, which is synchronously assembled with the handle housing, nut, and hot-pressing column. The hot-pressing column is distributed at the bottom of the hot-pressing block. The positioning guide plate has positioning guide countersunk holes, and the handle housing has reserved holes that mate with the nut. The positioning guide countersunk holes, hot-pressing column, and reserved holes are distributed in the same position and in the same number. The positioning guide countersunk hole is positioned such that the depth of the countersunk hole on the positioning guide plate matches the height of the pre-drilled hole on the handle housing. The top of the positioning guide countersunk hole is provided with a conical platform, and the bottom of the positioning guide countersunk hole is provided with a straight through hole. The bottom of the straight through hole fits with the top of the pre-drilled hole.

2. The positioning and guiding structure according to claim 1, characterized in that, The shape and specifications of the positioning guide plate are adapted to the shape and specifications of the handle housing assembly surface.

3. The positioning and guiding structure according to claim 1, characterized in that, The outer wall at the bottom of the hot-pressing column is configured as a conical structure, and the taper of the conical platform is greater than the taper of the conical structure on the hot-pressing column.

4. The positioning and guiding structure according to claim 1, characterized in that, The inner diameter of the straight through hole is larger than the outer diameter of the nut and the bottom of the hot-pressing column.

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