A chip elastic positioning fixing seat

Abstract

The present invention discloses an elastic positioning and fixing seat for a chip, comprising a base, the base comprising a pressing part, a positioning part and a clamping part arranged relatively to each other, the pressing part, the positioning part and the clamping part enclose a fixing platform for placing the chip, the pressing part and the clamping part are elastic, the pressing part can be deformed and rebounded to clamp and fix the chip in the length direction, and the clamping part can be deformed to clamp and fix the chip in the width and thickness directions. The fixing seat for installing the chip does not have high requirements on the dimensional accuracy and surface quality of the fixing seat and the chip, so the processing technology is relatively simple, the production cost is reduced, the chip can be disassembled and assembled very simply and quickly, and the installation is highly stable.

Description

[Technical field]

[0001] The invention belongs to the technical field of ink cartridges, and in particular relates to an elastic positioning and fixing seat of a chip. [Background technology]

[0002] The chip is an important control component in the ink cartridge. It is used to record the remaining amount of ink. Secondly, it prevents the print head from operating without ink and protects the print head. After each printing task, the printer will calculate the amount of ink required to perform this task and the original record of the chip, and update the chip in time to provide different amounts of ink required for different tasks.

[0003] The chip is fixed on the ink cartridge. There are generally two fixing methods on the market: interference fit installation between the chip and the fixed position and double-sided adhesive bonding. However, both methods have many shortcomings.

[0004] For the installation of interference fit fixed card connection, the card position is usually designed to be slightly smaller in width, length and thickness than the chip size, and the chip is forcibly carded into the card position to achieve fixed installation. Although this method is very simple for the structural design of the card position and the assembly method is extremely simple, it has high requirements for the surface roughness and dimensional accuracy of the assembly surface of the chip and the card position. Due to the material properties of the chip made of PCB board material, the inevitable defect of burrs will be generated on the edge during the punching and shearing process. If it is directly carded into the card position without grinding, the chip will not be installed in place due to the large friction of the fit, resulting in the situation of insensitive connection, which seriously affects the work of the ink cartridge; another disadvantage is that the dimensional tolerance of the chip in the actual production process is above ± 0.1mm, and if the size of the card position is the lower deviation, the interference of the chip and the card position is reduced, resulting in a loose installation defect. If the interference is too large, it will be difficult to assemble, and the chip may even be damaged.

[0005] The method of bonding with double-sided tape is simpler. The chip and ink cartridge are directly bonded with double-sided tape. The disadvantage is that the amount of double-sided tape used is large, the cost is high, and the production and assembly process is complicated, the production efficiency is low, and the glue bonded to the chip and ink cartridge is difficult to remove, affecting the appearance and use. [Summary of the invention]

[0006] In order to solve the existing problems in the background technology, the present invention provides an elastic positioning and fixing seat for a chip, which has elastic ribs, buckles and bosses to fasten the chip to the base. The installation is stable, the dimensional accuracy of the chip and the snap-fit ​​position is not high, the processing is simple, and the assembly is efficient, convenient and quick.

[0007] The present invention adopts the following technical solutions:

[0008] An elastic positioning and fixing seat of a chip, comprising a base;

[0009] The base includes a clamping part, a positioning part and a clamping part arranged relatively to each other, and the clamping part, the positioning part and the clamping part form a fixing platform for placing the chip, the clamping part and the clamping part are elastic, the clamping part can be deformed and rebounded and combined with the positioning part to clamp and fix the chip in the length direction, and the clamping part can be deformed to clamp and fix the chip in the width and thickness directions.

[0010] Furthermore, the base includes a frame having a first frame bar, a second frame bar and a third frame bar arranged in parallel and aligned, and the fixing platform is formed between the first frame bar and the second frame bar.

[0011] Furthermore, the clamping part includes two elastic ribs, which are relatively arranged on the inner ends of the first frame bar and the second frame bar and form a gap between the head ends. The two elastic ribs are inclined inwardly toward one side of the fixed platform, and a first guide slope is provided on the outer side of the two elastic ribs facing the fixed platform. The lower part of the elastic rib is an inclined surface inclined from the head end to the side, so as to maintain the two elastic ribs with respect to the vertical symmetry viewing angle, and the two inclined surfaces are inclined inwardly.

[0012] Furthermore, a deformation hole is provided on the seat frame at the front end of the two elastic ribs, and the deformation hole is connected to the side portions of the two elastic ribs through an arc surface.

[0013] Furthermore, the positioning portion is a boss that is high and convexly arranged at the tail ends of the first frame bar and the second frame bar.

[0014] Furthermore, the clamping parts are two buckles arranged on the first frame bar and the second frame bar, the two buckles are located on both sides of the fixing platform and are arranged inwardly opposite to each other, and the second guide bevel and the third guide bevel are arranged on the opposite inner side surfaces of the two buckles.

[0015] Furthermore, downwardly concave arc-shaped displacement aids are designed on both sides of the two buckles to enable the buckles to produce elastic deformation.

[0016] Furthermore, the buckle height is greater than the elastic rib height to form a height difference.

[0017] Furthermore, the base is integrally injection molded.

[0018] The beneficial effects of the present invention are as follows:

[0019] The fixing seat is a synthetic copolymer formed by one-piece injection molding, with a simple molding process and high efficiency in producing finished products; the ribs and buckles are elastic, and there are multiple assembly methods for installing the chip, such as insertion method and press-in method. When the insertion method is used for installation, the buckles on both sides are elastically deformed outwards under the cooperation and sliding of the second guide bevel when the chip is pressed down, and then the buckles rebound to restore to a normal state under the cooperation of the third guide bevel when the chip is pressed down. The ribs are bent and deformed upwards by the front end of the chip under the cooperation and friction of the first guide bevel, and when the bottom surface of the chip contacts the fixing platform as a whole, the ribs rebound to fix the chip steadily on the fixing seat; when the insertion method is used for assembly, the chip is aligned with the fixing platform and pushed forward, and the front end of the chip presses the ribs until it is bent and deformed until the tail reaches the convex platform and is put into the fixing platform to complete the fastening installation; the fixing seat for installing the chip does not have high requirements on the dimensional accuracy and surface quality of the fixing seat and the chip, so the processing technology is relatively simple, which reduces the production cost, and the chip is very easy and fast to disassemble and assemble, and the installation is highly stable.

Brief Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the assembly structure of an elastic positioning and fixing seat of a chip of the present invention;

[0021] Figure 2 is a schematic diagram of the structure of the base;

[0022] Figure 3 is a top view of the base;

[0023] Figure 4 for Figure 3 A cross-sectional view of the middle edge C;

[0024] Figure 5 for Figure 3 A cross-sectional view of the middle edge portion D;

[0025] Figure 6 A schematic diagram of the installation structure of the "press-in method" of the present invention;

[0026] Figure 7 It is a schematic diagram of the installation structure of the "insertion method" in the present invention. [Specific implementation method]

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not limited to the present invention.

[0028] See also Figure 1 and Figure 2The elastic positioning and fixing seat of a chip designed by the present invention specifically includes a base 1. Preferably, the base 1 is a copolymer base 1 that is integrally injection molded. The integrated design has a simpler production process, can be mass-produced, and has improved production efficiency.

[0029] For details, see Figure 2 The base 1 includes a pressing portion, a positioning portion and a clamping portion arranged relatively to each other, and the pressing portion, the positioning portion and the clamping portion enclose a fixing platform 3 for placing the chip 2, and a clearance position 4 is provided on one side of the fixing platform 3 located at the positioning portion. When the chip 2 is mounted on the fixing platform 3, the electronic components on the chip 2 are located on the clearance position 4, and a plurality of rectangular heat dissipation holes 5 are also provided on the fixing platform 3, which help to dissipate heat when the chip 2 is in operation, and protect the safe use and normal operation of the chip 2.

[0030] An important point is that the pressing part and the clamping part are elastic, the pressing part can deform and rebound and combine with the positioning part to clamp and fix the chip 2 in the length direction, and the clamping part can deform to clamp and fix the chip 2 in the width and thickness directions. By installing the chip 2 with a pressing part and a clamping part that can elastically deform within a certain range and a structure that cooperates with the positioning part, it can be seen that two installation methods are brought about, namely the "pressing method" and the "insertion method" of the chip 2. The "pressing method" is to directly align the chip 2 from the top of the fixing table 3 and then press it into the fixing table 3, and the pressing part will press the chip 2 into the fixing table 3 when it elastically rebounds, and the "insertion method" is to push the chip 2 straightly from the positioning part to the pressing part to a position aligned with the fixing table 3 and press it into the fixing table 3. The installation is completed in the process. It can be seen from these two installation methods that the requirements for the dimensional matching accuracy of the fixing table 3 and the chip 2 are not high. Compared with the traditional interference fit clamping method, which has the disadvantage of high requirements for matching dimensional accuracy, the present invention has the advantage of a relatively simple structural design. In general, a simple structural design not only speeds up the production process, but also effectively reduces the production cost. Finally, the two chip 2 assembly methods in the present invention are simple, fast and stable to install.

[0031] With respect to the above-mentioned scheme, further, the base 1 includes a first frame bar 6, a second frame bar 7 and a third frame bar 8 which are arranged in parallel and aligned, and the fixing platform 3 is formed between the first frame bar 6 and the second frame bar 7. It can be understood that the distance between the first frame bar 6 and the second frame bar 7 and the distance between the clamping part and the positioning part together determine the width specification size of the chip 2. According to the different sizes of the chip 2, the installation effect of the present invention can be met by relatively changing the distance design value, so as to achieve flexible design and application.

[0032] Furthermore, the clamping portion includes two elastic ribs 9, the two elastic ribs 9 are relatively arranged on the inner ends of the first frame bar 6 and the second frame bar 7 and a gap is formed between the head ends, and the two elastic ribs 9 are inclined inwardly toward one side of the fixed platform 3. Since the ribs 9 are elastic, the deformation resilience force generated by the head end of the ribs 9 and the positioning portion tightly clamp the chip 2 in the fixed platform 3. An important point is that the frame is provided with a deformation hole 10 at the front end of the two elastic ribs 9, such as Figure 3 As shown, the deformation hole 10 is connected to the sides of the two elastic ribs 9 through an arc surface, and the arc surface is Figure 3 In the middle B part, the deformation hole 10 is hollowed out to help improve the deformation capacity of the rib 9. The arc-shaped connection between the deformation hole 10 and the side of the rib 9 can reduce the mechanical defects of stress concentration during deformation, thereby increasing the permanent deformation value and avoiding breakage.

[0033] It is understandable that Figure 4 As shown, the lower part of the elastic rib 9 at position A is an inclined surface inclined from the head end to the side, maintaining the vertical symmetry of the two elastic ribs 9, and the two inclined surfaces are inclined inwardly. The inclined surface design at the bottom of the rib 9 helps to improve the rebound strength of the rib 9 after the chip 2 is squeezed outward when pressed into the fixing table 3.

[0034] like Figure 2 A first guiding inclined surface 11 is provided on the outer side of the two elastic ribs 9 facing the fixing platform 3. When the chip 2 is pressed in, the inclined surface 11 is matched with the chip 2 to enhance the deformation of the ribs 9, which is convenient for installation.

[0035] In addition, the positioning portion is a boss 12 which is high and convexly arranged at the tail ends of the first frame bar 6 and the second frame bar 7. Under the positioning effect of the boss 12, the chip 2 is kept fixed to prevent the chip 2 from falling off the fixing platform 3 too easily.

[0036] The clamping part is two buckles 13 arranged on the first frame bar 6 and the second frame bar 7. The two buckles 13 are located on both sides of the fixing platform 3 and are arranged inwardly opposite to each other. The second guide bevel 14 and the third guide bevel 15 are arranged on the opposite inner side surfaces of the two buckles 13. When the chip 2 is pressed in, with the cooperation of the second guide bevel 14, the buckles 13 first deform in opposite directions so that the chip 2 can be pressed down more smoothly. When the chip 2 reaches the position of the third guide bevel 15, the buckles 13 rebound to the normal position to clamp and fix the chip 2 in the width direction. In addition, with the cooperation of the third guide bevel 15, it helps to disassemble the chip 2, thereby improving the efficiency of disassembly and assembly.

[0037] Since the degree of deformation during disassembly and assembly determines the difficulty of installation, the two sides of the two buckles 13 are designed with downwardly concave arc-shaped auxiliary displacement 16, such as Figure 7, so that the buckle 13 can produce elastic deformation and enhance the deformation ability of the buckle 13. Of course, the design radius of the arc-shaped auxiliary displacement 16 should not be too large. It should be determined within a suitable range after analysis by mechanical software to avoid exceeding the elastic deformation capacity and avoiding deficiencies that lead to elastic failure and fracture.

[0038] Finally, see Figure 5 As shown, the height of the buckle 13 is greater than the height of the elastic rib 9 to form a height difference. The design of the height difference is helpful for two installation methods. For example, when performing the "press-in method" installation, the width sides of the chip 2 are first matched to the second guide bevel 14, the buckle 13 deforms outward, and the front end of the chip 2 continues to be pressed down. With the cooperation of the first guide bevel 11, the rib 9 deforms toward the front end. When the chip 2 is at the position of the third guide bevel 15, the buckle 13 rebounds, and at the same time, the rib 9 rebounds to fasten the chip 2 in the fixing table 3 to complete the installation. This method does not require the chip 2 to contact four elastic surfaces at the same time, thereby making installation and disassembly easier; when using the "insertion method" installation, the chip 2 is pushed forward through the third guide bevel 15 to the rib 9 to deform, and finally the rib 9 rebounds to fix the chip 2 in the fixing table 3. It can be seen that the installation is very simple, especially the installer can choose the installation method according to his own habits, reduce the difficulty of installation and improve production efficiency.

[0039] The installation of the fixing seat and the chip 2 does not require high manufacturing dimensional accuracy. Generally, the installation can be easily achieved within the dimensional tolerance range of length, width ±0.5mm, and thickness ±0.2mm, and the installation is tight. Similarly, the simple structure simplifies the process and reduces production costs.

[0040] The advantages of the present invention are:

[0041] The fixing seat is a synthetic copolymer formed by one-piece injection molding, with a simple molding process and high efficiency in producing finished products; the ribs and buckles are elastic, and there are multiple assembly methods for installing the chip, such as insertion method and press-in method. When the insertion method is used for installation, the buckles on both sides are elastically deformed outwards under the cooperation and sliding of the second guide bevel when the chip is pressed down, and then the buckles rebound to restore to a normal state under the cooperation of the third guide bevel when the chip is pressed down. The ribs are bent and deformed upwards by the front end of the chip under the cooperation and friction of the first guide bevel, and when the bottom surface of the chip contacts the fixing platform as a whole, the ribs rebound to fix the chip steadily on the fixing seat; when the insertion method is used for assembly, the chip is aligned with the fixing platform and pushed forward, and the front end of the chip presses the ribs until it is bent and deformed until the tail reaches the convex platform and is put into the fixing platform to complete the fastening installation; the fixing seat for installing the chip does not have high requirements on the dimensional accuracy and surface quality of the fixing seat and the chip, so the processing technology is relatively simple, which reduces the production cost, and the chip is very easy and fast to disassemble and assemble, and the installation is highly stable.

[0042] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit and essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. An elastic positioning and fixing seat for a chip, comprising a base, characterized in that: The base comprises a pressing part, a positioning part and a clamping part arranged relatively to each other, wherein the pressing part, the positioning part and the clamping part enclose a fixing platform for placing the chip, the pressing part and the clamping part are elastic, the pressing part can be deformed and rebounded to clamp and fix the chip in the length direction in combination with the positioning part, and the clamping part can be deformed to clamp and fix the chip in the width and thickness directions; The base comprises a seat frame, the seat frame has a first frame bar, a second frame bar and a third frame bar arranged in parallel and aligned, and the fixing platform is formed between the first frame bar and the second frame bar; The clamping part includes two elastic ribs, the two elastic ribs are relatively arranged on the inner ends of the first frame bar and the second frame bar and a gap is formed between the head ends, the two elastic ribs are inclined inwardly toward one side of the fixed platform, and the outer sides of the two elastic ribs facing the fixed platform are provided with a first guide slope, the lower part of the elastic rib is an inclined surface inclined from the head end to the side, and the two elastic ribs are kept symmetrical about the vertical perspective, and the two inclined surfaces are inclined inwardly; the positioning part is a high convex boss arranged at the tail ends of the first frame bar and the second frame bar; the clamping part is two buckles arranged on the first frame bar and the second frame bar, the two buckles are located on both sides of the fixed platform and are arranged inwardly opposite to each other, and the second guide slope and the third guide slope are provided on the opposite inner sides of the two buckles.

2. The elastic positioning and fixing seat of a chip as claimed in claim 1, characterized in that: The seat frame is provided with a deformation hole at the front end of the two elastic ribs, and the deformation hole is connected to the side portions of the two elastic ribs through an arc surface.

3. The elastic positioning and fixing seat of a chip as claimed in claim 1, characterized in that: The two sides of the two buckles are designed with downwardly concave arc-shaped auxiliary displacement devices to facilitate elastic deformation of the buckles.

4. The elastic positioning and fixing seat of a chip as claimed in claim 3, characterized in that: The buckle height is greater than the elastic rib height to form a height difference.

5. The elastic positioning and fixing seat of a chip according to any one of claims 1 to 4, characterized in that: The base is integrally injection molded.

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