GND ring assembling jig of active capacitance pen

By designing a GND ring assembly fixture for an active capacitive pen, and using clamping blocks and driving components to control the assembly of the GND ring, the problem of inaccurate assembly caused by the small size of the GND ring was solved, and precise control of the gap between the pen tube and the pen tip was achieved, thus improving the tactile quality of the capacitive pen.

CN222308675UActive Publication Date: 2025-01-07MAXEYE SMART TECH CO LTD
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Patent Information

Application Number
CN202420077819.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-10
Publication Date
2025-01-07
Estimated Expiration
2034-01-10

AI Technical Summary

Technical Problem

In existing technologies, the GND ring is relatively small, making it difficult to control the precision of the screwing distance into the pen tube when manually gripping and screwing it in. This results in uneven gaps between the pen tip and the pen tube of the active capacitive pen, affecting the accuracy of the tactile feedback.

Method used

An assembly fixture for the GND ring of an active capacitive pen was designed. The assembly accuracy of the GND ring is controlled by a clamping block and a driving component. The clamping block forms a contour groove to limit the GND ring, and the screwing depth of the pen tube is controlled by friction resistance sensing to ensure the accuracy of the gap between the pen tube and the pen tip.

Benefits of technology

The assembly precision of the GND ring has been improved, solving the problem of difficulty in manual clamping, ensuring the gap precision between the pen tube and the pen tip, and improving the tactile precision of the active capacitive pen.

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Abstract

The utility model relates to the jig technology, in particular to a GND ring assembling jig of an active capacitance pen, which comprises a jig base and at least one group of clamping blocks, and the jig base is provided with a first fixing block; the group of clamping blocks comprises a first clamping block and a second clamping block, and the second clamping block is fixedly connected with the first fixing block; the first clamping block can move relative to the second clamping block, and the first clamping block and the second clamping block define a profiling groove capable of limiting a ring. According to the utility model, the distance precision of screwing the GND ring into the pen tube is controlled by using a group of clamping blocks, so that the assembly precision is improved.
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Description

Technical Field

[0001] The utility model relates to a jig technology, in particular to a GND ring assembly jig for an active capacitive stylus. Background Art

[0002] Capacitive pens are divided into active and passive types. Active capacitive pens mainly include a pen barrel and a pen tip. The pen tip is similar to the sharpened tip of a pencil and is in a cone shape. The inside of the pen barrel is equipped with electrical components such as circuit boards. There is a GND ring between the pen barrel and the pen tip for grounding to provide circuit stability and anti-interference capabilities. This means that the assembly accuracy of the GND ring directly affects the gap accuracy between the pen barrel and the pen tip, thereby affecting the tactile accuracy of the active capacitive pen.

[0003] In the prior art, the GND ring is provided with an external thread for screwing with the pen tube. However, due to the small size of the GND ring, when it is clamped and screwed in manually, the distance accuracy of the GND ring screwed into the pen tube cannot be reasonably controlled, resulting in the problem of the gap between the pen tip and the pen tube being too large or too small when the pen tip is subsequently assembled. Utility Model Content

[0004] The main purpose of the utility model is to provide a GND ring assembly fixture for an active capacitive stylus pen, which aims to control the distance accuracy of the GND ring being screwed into the pen tube by using a group of clamping blocks to improve the assembly accuracy.

[0005] In order to achieve the above-mentioned purpose, the GND ring assembly fixture of the active capacitive stylus proposed in the present invention comprises:

[0006] A fixture base, wherein the fixture base is provided with a first fixing block;

[0007] At least one group of clamping blocks, the group of clamping blocks includes a first clamping block and a second clamping block, the second clamping block is fixedly connected to the first fixed block; the first clamping block can move relative to the second clamping block, and the first clamping block and the second clamping block enclose a contoured groove capable of limiting the ring.

[0008] In an embodiment of the present invention, the GND ring assembly fixture of the active capacitive stylus further includes a driving member, and the driving member can be used to control the first clamping block to move closer to or away from the second clamping block.

[0009] In one embodiment of the present utility model, the driving member is a push rod assembly, and the push rod assembly includes:

[0010] A push rod base, the push rod base being movably disposed at one end of the fixture base away from the fixed block;

[0011] A push rod handle, the push rod handle being rotatably connected to the push rod base; and

[0012] A push rod, one end of which is plugged with the push rod base;

[0013] The GND ring assembly fixture of the active capacitive stylus has a GND ring assembly state. In the GND ring assembly state, one end of the push rod away from the push rod base abuts against the first clamping block, so that the first clamping block and the second clamping block enclose the contoured groove.

[0014] In one embodiment of the utility model, the fixture base is provided with a limiting guide groove, and the bottom wall of the push rod base is provided with a guide block, the limiting guide groove accommodates the guide block and the guide block can move along the limiting guide groove.

[0015] In one embodiment of the utility model, the fixture base is provided with a guide rail, and the bottom wall of the push rod base is provided with a slider, and the slider is connected to the guide rail so that the push rod base moves along the guide rail.

[0016] In an embodiment of the present invention, a limiting rod is provided on a side of the first fixing block facing the second limiting block, and the limiting rod passes through the first clamping block and the second clamping block.

[0017] In one embodiment of the utility model, the jig base is also provided with a second fixed block, the second fixed block is arranged on the side of the first clamping block facing away from the second clamping block, and the end of the limit rod away from the first fixed block is inserted into the second fixed block; the second fixed block is provided with a avoidance groove, and the avoidance groove accommodates part of the structure of the push rod so that the push rod can abut against the first clamping block.

[0018] In one embodiment of the present utility model, an elastic member is provided between the first clamping block and the second clamping block;

[0019] The GND ring assembly fixture of the active capacitive stylus has an expanded state, in which a clamping gap is formed between the first clamping block and the second clamping block.

[0020] In an embodiment of the present invention, the elastic member is a spring, and two ends of the spring are respectively connected to the first clamping block and the second clamping block.

[0021] In one embodiment of the utility model, the second clamping block is arranged at one end of the second fixing block away from the jig base, and the first clamping block and the second clamping block are arranged in opposition; a moving space is formed between the first clamping block and the second clamping block and the jig base.

[0022] In the technical solution of the utility model, the GND ring assembly jig of the active capacitive stylus comprises a jig base and at least one group of clamping blocks, wherein the group of clamping blocks comprises a first clamping block and a second clamping block, and a first fixing block capable of being fixed is provided on the jig base, and the second clamping block is arranged on the inner side of the first fixing block, and the first clamping block is arranged on the side of the second clamping block facing away from the first fixing block. When the GND ring needs to be assembled, the first clamping block and the second clamping block are jointly enclosed to form a profiling groove capable of limiting the GND ring, and the GND ring is fixed in the profiling groove. Then, the pen tube to be assembled is twisted, and as the pen tube is continuously screwed downward, the end of the tube pen abuts against the surface of the fixture base. At this time, the GND ring is flush with the pen tube, and the operator can clearly feel the friction resistance between the pen tube and the fixture base. The operator stops twisting the pen tube. By using the GND ring assembly fixture of the active capacitive pen proposed by the utility model, the assembly accuracy of the GND ring under manual operation can be controlled, the gap accuracy between the pen tube and the pen tip can be ensured, and the problem of difficulty in manual clamping due to the small size of the GND ring can be solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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 the structures shown in these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of a GND ring assembly fixture for an active capacitive stylus provided by the present invention;

[0025] Figure 2 A top view of an embodiment of a GND ring assembly fixture for an active capacitive stylus provided by the present invention;

[0026] Figure 3 A top view of another embodiment of the GND ring assembly fixture of the active capacitive stylus provided by the present invention.

[0027] Description of Figure Numbers:

[0028] Label name Label name 10 Fixture base 50 First clamping block 101 First fixed block 60 Second clamping block 102 Second fixed block 56A Profile slot 20 Push rod base 56B Mobile Space 30 Putter handle 10c Avoidance slot 40 Putter 888 GND Ring 999 Pen barrel

[0029] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0033] The GND ring assembly fixture of the active capacitive stylus provided by the utility model is as follows: Figures 1 to 3 As shown, including:

[0034] A fixture base 10, wherein the fixture base 10 is provided with a first fixing block 101;

[0035] At least one group of clamping blocks, one group of clamping blocks includes a first clamping block 50 and a second clamping block 60, the second clamping block 60 is fixedly connected to the first fixed block 101; the first clamping block 50 can move relative to the second clamping block 60, and the first clamping block 50 and the second clamping block 60 are enclosed to form a contoured groove 56A that can limit the ring.

[0036] In the technical solution of the utility model, the GND ring assembly jig of the active capacitive stylus includes a jig base 10 and at least one group of clamping blocks, wherein the group of clamping blocks includes a first clamping block 50 and a second clamping block 60. The jig base 10 is provided with a first fixing block 101 that can be fixed, and the second clamping block 60 is arranged on the inner side of the first fixing block 101. The first clamping block 50 is arranged on the side of the second clamping block 60 that is away from the first fixing block 101. When the GND ring 888 needs to be assembled, the first clamping block 50 and the second clamping block 60 are jointly enclosed to form a contoured groove 56A that can limit the GND ring 888. The GND ring 888 is located in the contoured groove 56A. The pen tube 999 is fixed inside and does not move, and then the pen tube 999 to be assembled is twisted. As the pen tube 999 is continuously screwed downward, the end of the pen tube abuts against the surface of the fixture base 10. At this time, the GND ring 888 is flush with the pen tube 999, and the operator can clearly feel the friction resistance between the pen tube 999 and the fixture base 10. The operator stops twisting the pen tube 999. By using the GND ring assembly fixture of the active capacitive pen proposed by the utility model, the assembly accuracy of the GND ring 888 under manual operation can be controlled, the gap accuracy between the pen tube 999 and the pen tip can be ensured, and the problem of difficulty in manual clamping due to the small size of the GND ring 888 can be solved.

[0037] In this embodiment, the fixture base 10 is composed of a metal plate, one side of the surface of which provides an installation area for other components of the GND ring assembly fixture of the active capacitive stylus, and a first fixing block 101 is provided near the edge of the fixture base 10. The first fixing block 101 can be screwed to the fixture base 10 to form a detachable structure, or it can be formed into an integral structure through a welding process, which is not limited here; the first fixing block 101 is set to be a long strip, of course, it can also be an irregular shape, and the side of the first fixing block 101 away from the edge of the fixture base 10 can form a flat plane.

[0038] In this embodiment, a group of clamping blocks includes a first clamping block 50 and a second clamping block 60. The second clamping block 60 is connected to the side of the first fixing block 101 away from the edge of the fixture base 10. The connection method between the second clamping block 60 and the first fixing block 101 can be a detachable connection through locking parts such as bolts and nuts, or it can be welded together. Of course, it is also possible to set a plurality of sockets at the corresponding positions of the second clamping block 60 and the first fixing block 101, and insert a rod-shaped structure for connection, which is not limited here. Furthermore, a first clamping block 50 is provided on the side of the second clamping block 60 that is away from the first fixing block 101. The first clamping block 50 can be moved relative to the second clamping block 60 through a rod insertion structure, or it can also be through a movable structure such as a guide rail slot, which is not limited here, and it is sufficient to meet actual needs. When the first clamping block 50 moves toward the second clamping block 60, the two are combined to form a contoured groove 56A that can limit the GND ring 888. The contoured groove 56A is set according to the shape of the GND ring 888. When the GND ring 888 needs to be assembled, the GND ring 888 is placed in the contoured groove 56A. At this time, the GND ring 888 is confined in the contoured groove 56A, and then the pen tube 999 of the active capacitive pen is screwed in from the top of the surface of the fixture base 10. When it is screwed down a certain distance, the pen tube 99 The end of 9 abuts against the surfaces of the first clamping block 50 and the second clamping block 60. At this time, the assembler can clearly feel the friction resistance between the pen tube 999 and the fixture base 10. The operator stops twisting the pen tube 999. By using the GND ring assembly fixture of the active capacitive pen proposed in the utility model, the assembly accuracy of the GND ring 888 under manual operation can be controlled, the gap accuracy between the pen tube 999 and the pen tip can be ensured, and the problem of difficulty in manual clamping due to the small size of the GND ring 888 can be solved.

[0039] In one embodiment of the present invention, the GND ring assembly fixture of the active capacitive stylus further includes a driving member, which can be used to control the first clamping block 50 to move closer to or away from the second clamping block 60 .

[0040] In this embodiment, the GND ring assembly fixture of the active capacitive stylus also includes a driving member, which is used to control the first clamping block 50 to move closer to or away from the second clamping block 60. It can be understood that the driving member can be an electric component such as a servo motor, and the electrically driven driving member can improve the movement accuracy of the first clamping block 50; of course, it can also be manually driven by setting a push rod assembly for manual control. Compared with the former, the manual drive method can reduce a certain production cost. The specific driving method is not limited here, and it is sufficient to meet actual needs.

[0041] In one embodiment of the present invention, Figures 1 to 3 As shown, the driving member is a push rod assembly, and the push rod assembly includes:

[0042] A push rod base 20, the push rod base 20 is movably disposed at one end of the fixture base 10 away from the fixed block;

[0043] A push rod handle 30, the push rod handle 30 is rotatably connected to the push rod base 20; and

[0044] A push rod 40, one end of which is provided with a push rod base 20;

[0045] The GND ring assembly fixture of the active capacitive stylus has a GND ring 888 assembly state. In the GND ring 888 assembly state, one end of the push rod 40 away from the push rod base 20 abuts against the first clamping block 50, so that the first clamping block 50 and the second clamping block 60 are enclosed to form a contoured groove 56A.

[0046] In this embodiment, the driving member is a manually driven push rod assembly, which includes a push rod base 20, a push rod handle 30 and a push rod 40. The push rod base 20 can be movably arranged at one end of the fixture base 10 away from the fixed block by means of a guide groove or a guide rail. The push rod handle 30 is rotatably connected to the push rod base 20, so that when the push rod handle 30 is lifted or pressed down, the push rod base 20 can move relative to the fixture base 10. The push rod base 20 is provided with a sleeve, a jack and other structures on one side facing the first clamping block 50, so that one end of the push rod 40 can be inserted into the push rod base 20, so that when the push rod When the base 20 moves relative to the fixture base 10, the other end of the push rod 40 can abut against or move away from the first clamping block 50; when the push rod handle 30 is lifted into place, the GND ring assembly fixture of the active capacitive pen enters the GND ring assembly state. In the GND ring assembly state, one end of the push rod 40 away from the push rod base 20 abuts against the first clamping block 50, so that the first clamping block 50 and the second clamping block 60 are enclosed to form a contoured groove 56A; it can be understood that the push rod assembly is also provided with a limit member, which is used to prevent the push rod base 20 from shifting in the opposite direction when the push rod handle 30 is lifted into place.

[0047] In one embodiment of the present invention, the fixture base 10 is provided with a limiting guide groove, and the bottom wall of the push rod base 20 is provided with a guide block. The limiting guide groove accommodates the guide block and the guide block can move along the limiting guide groove.

[0048] In this embodiment, the fixture base 10 is provided with a plurality of limit guide grooves, and the bottom wall of the push rod base 20 is provided with guide blocks adapted to the limit guide grooves. Each limit guide groove accommodates a guide block. After lifting or pressing down the push rod handle 30, the guide block can move along the limit guide groove so that the push rod 40 can abut against or move away from the first clamping block 50. By setting the limit guide grooves and guide blocks, the moving direction of the push rod base 20 can be limited to prevent the push rod base 20 from being deflected.

[0049] In one embodiment of the present invention, the fixture base 10 is provided with a guide rail, and the bottom wall of the push rod base 20 is provided with a slider, which is connected to the guide rail so that the push rod base 20 moves along the guide rail.

[0050] In this embodiment, a guide rail is provided on the surface of the fixture base 10, and a slider adapted to the guide rail is provided on the bottom wall of the push rod base 20. The slider is connected to the guide rail. After lifting or pressing down the push rod handle 30, the push rod base 20 moves along the guide rail so that the push rod 40 can abut against or move away from the first clamping block 50. By providing the guide rail and the slider, the moving direction of the push rod base 20 can be limited to prevent the push rod base 20 from being deflected.

[0051] In an embodiment of the present invention, a limiting rod is provided on one side of the first fixing block 101 facing the second clamping block 60 , and the limiting rod passes through the first clamping block 50 and the second clamping block 60 .

[0052] In this embodiment, two limit rods are provided on the side of the first fixed block 101 facing the second clamping block 60, and the two limit rods are respectively provided on both sides of the first fixed block 101. The limit rods pass through the first clamping block 50 and the second clamping block 60. When the first clamping block 50 moves relative to the second limit block, the limit rods can avoid the deviation problem of the first clamping block 50, and prevent the first clamping block 50 from having a contoured groove 56A that is not compatible with the GND ring 888 after approaching the second clamping block 60.

[0053] In one embodiment of the utility model, the fixture base 10 is also provided with a second fixed block 102, which is arranged on the side of the first clamping block 50 facing away from the second clamping block 60, and the end of the limiting rod away from the first fixed block 101 is inserted into the second fixed block 102; the second fixed block 102 is provided with a avoidance groove 10c, which accommodates part of the structure of the push rod 40 so that the push rod 40 can abut against the first clamping block 50.

[0054] In the present embodiment, the fixture base 10 is further provided with a second fixing block 102, and the second fixing block 102 is arranged on the side of the first clamping block 50 facing away from the second clamping block 60. The second fixing block 102 can be screwed to the fixture base 10 to form a detachable structure, or it can be formed into an integral structure by a welding process, which is not limited here; the second fixing block 102 is set to be a long strip, of course, it can also be an irregular shape, and the side of the second fixing block 102 facing the first clamping block 50 can form a flat plane. It can be understood that the distance between the second fixing block 102 and the first fixing block 101 forms a movable space for the first clamping block 50 to move. The distance between the two and the specific size of the movable space are not limited here, and actual needs can be met. Furthermore, the second fixed block 102 is provided with two sockets, and the end of the limit rod away from the first fixed block 101 is inserted into the socket of the second fixed block 102. The second fixed block 102 and the first fixed block 101 jointly limit the limit rod to prevent the limit rod from moving. In addition, the second fixed block 102 is also provided with an avoidance groove 10c, which accommodates part of the structure of the push rod 40 so that the push rod 40 can abut against the first clamping block 50.

[0055] In one embodiment of the present utility model, an elastic member is provided between the first clamping block 50 and the second clamping block 60;

[0056] The GND ring assembly fixture of the active capacitive stylus pen has an expanded state. In the expanded state, a clamping gap is formed between the first clamping block 50 and the second clamping block 60 .

[0057] In this embodiment, an elastic member is provided between the first clamping block 50 and the second clamping block 60, and the elastic member applies a pair of forces in opposite directions to the first clamping block 50 and the second clamping block 60; the GND ring assembly jig of the active capacitive stylus has an expanded state, in which a clamping gap is formed between the first clamping block 50 and the second clamping block 60, and when the push rod handle 30 is pressed down to the right position, the GND ring assembly jig of the active capacitive stylus enters the GND ring 888 assembly state, at which time, the first clamping block 50 and the second clamping block 60 are enclosed to form a contoured groove 56A, and by providing an elastic member, the different states of the GND ring assembly jig of the active capacitive stylus can be actively switched, and in the expanded state, it is convenient for the assembler to put in the GND ring 888. It can be understood that the elastic member can be set as a spring or a pin, as long as the first clamping block 50 can be away from the second clamping block 60 without the thrust of the push rod 40, and it is not limited here.

[0058] In an embodiment of the present invention, the elastic member is a spring, and two ends of the spring are respectively connected to the first clamping block 50 and the second clamping block 60 .

[0059] In this embodiment, the elastic member is a spring, and the two ends of the spring are respectively connected to the first clamping block 50 and the second clamping block 60. The cost of the spring is lower than that of the ejector pin. By selecting different types of springs, the clamping gap between the first clamping block 50 and the second clamping block 60 can be adjusted to meet various needs.

[0060] In one embodiment of the present invention, Figure 1 As shown, the second clamping block 60 is disposed at one end of the second fixing block 102 away from the fixture base 10 , and the first clamping block 50 and the second clamping block 60 are arranged in opposition; a moving space 56B is formed between the first clamping block 50 and the second clamping block 60 and the fixture base 10 .

[0061] In this embodiment, the second clamping block 60 is arranged at the end of the second fixed block 102 away from the jig base 10 through a limiting rod, and the first clamping block 50 and the second clamping block 60 are arranged in opposition. At this time, the bottom walls of the first clamping block 50 and the second clamping block 60 are away from the surface of the jig base 10, and a moving space 56B is formed between both of them and the jig base 10 to reduce the friction between the first clamping block 50 and the second clamping block 60 and the jig base 10, while also reducing the amount of material required to produce the first clamping block 50 and the second clamping block 60.

[0062] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A GND ring assembly fixture for an active capacitive stylus, characterized in that: The GND ring assembly fixture of the active capacitive stylus comprises: A fixture base (10), wherein the fixture base (10) is provided with a first fixing block (101); At least one group of clamping blocks, the group of clamping blocks comprising a first clamping block (50) and a second clamping block (60), the second clamping block (60) being connected to the first fixed block (101); the first clamping block (50) being movable relative to the second clamping block (60), the first clamping block (50) and the second clamping block (60) being enclosed to form a contoured groove (56A) capable of limiting the GND ring (888).

2. The GND ring assembly fixture of the active capacitive stylus according to claim 1, characterized in that: The GND ring assembly fixture of the active capacitive stylus also includes a driving component, which can be used to control the first clamping block (50) to move closer to or away from the second clamping block (60).

3. The GND ring assembly fixture of the active capacitive stylus according to claim 2, characterized in that: The driving member is a push rod assembly, and the push rod assembly includes: A push rod base (20), the push rod base (20) being movably disposed at an end of the fixture base (10) away from the first fixed block; A push rod handle (30), the push rod handle (30) being rotatably connected to the push rod base (20); and A push rod (40), one end of which is inserted into the push rod base (20); The GND ring assembly fixture of the active capacitive stylus has a GND ring assembly state. In the GND ring assembly state, one end of the push rod (40) away from the push rod base (20) abuts against the first clamping block (50), so that the first clamping block (50) and the second clamping block (60) enclose and form the contoured groove (56A).

4. The GND ring assembly fixture of the active capacitive stylus pen as claimed in claim 3, characterized in that: The jig base (10) is provided with a limiting guide groove, and the bottom wall of the push rod base (20) is provided with a guide block, the limiting guide groove accommodates the guide block and the guide block can move along the limiting guide groove.

5. The GND ring assembly fixture of the active capacitive stylus as claimed in claim 3, characterized in that: The jig base (10) is provided with a guide rail, and the bottom wall of the push rod base (20) is provided with a slider, and the slider is connected to the guide rail so that the push rod base (20) moves along the guide rail.

6. The GND ring assembly fixture of the active capacitive stylus as claimed in claim 3, characterized in that: A limiting rod is provided on one side of the first fixing block (101) facing the second clamping block (60), and the limiting rod passes through the first clamping block (50) and the second clamping block (60).

7. The GND ring assembly fixture of the active capacitive stylus according to claim 6, characterized in that: The fixture base (10) is also provided with a second fixing block (102), and the second fixing block (102) is arranged on the side of the first clamping block (50) facing away from the second clamping block (60), and the end of the limit rod away from the first fixing block (101) is inserted into the second fixing block (102); the second fixing block (102) is provided with a avoidance groove (10c), and the avoidance groove (10c) accommodates a part of the structure of the push rod so that the push rod can abut against the first clamping block (50).

8. The GND ring assembly fixture of the active capacitive stylus according to claim 6, characterized in that: An elastic member is provided between the first clamping block (50) and the second clamping block (60); The GND ring assembly fixture of the active capacitive stylus has an expanded state, and in the expanded state, a clamping gap is formed between the first clamping block (50) and the second clamping block (60).

9. The GND ring assembly fixture of the active capacitive stylus according to claim 8, characterized in that: The elastic member is a spring, and two ends of the spring are respectively connected to the first clamping block (50) and the second clamping block (60).

10. The GND ring assembly fixture of the active capacitive stylus according to claim 6, characterized in that: The second clamping block (60) is arranged at one end of the first fixing block (101) away from the jig base (10), and the first clamping block (50) and the second clamping block (60) are arranged in a corresponding position; a moving space (56B) is formed between the first clamping block (50) and the second clamping block (60) and the jig base (10).