Pressure sensing assembly and touch pen

Abstract

The utility model discloses a pressure sensing assembly and a touch pen. The second elastic part of the pressure-sensitive assembly is connected to the main support, in the first direction, one side of the first elastic part is connected to the second elastic piece, the other side of the first elastic part is connected to the shell, and the first sensor is attached to the first elastic part. In the first direction, the second elastic part and the main support are oppositely arranged, when the main support moves in the first direction, the second elastic part moves along with the main support in the first direction at the same time, the end, connected to the shell, of the first elastic part moves along with the second elastic part in the first direction, and then the first elastic part is stretched or compressed. The first sensor is attached to the first elastic part, so that the first sensor is prevented from being directly attached to the elastic part opposite to the main support in the first direction, the contact area of the first sensor and the first elastic part is increased, and the impact on the first sensor is reduced when the main support moves in the first direction; the connection stability of the first sensor and the first elastic piece is improved, and the input stability of the pressure-sensitive assembly is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of touch control equipment, and in particular to a pressure sensing component and a touch pen. Background Art

[0002] The stylus can monitor the pressure change at the tip of the pen through the pressure sensing component, thereby realizing the recognition of user input. When the tip of the stylus acts on the smart device, the tip of the pen can move along the axial direction of the pen shaft under the action of pressure, and the tip of the pen can act with the elastic sheet during the movement to deform the elastic sheet. In the prior art, the first sensor of the pressure sensing component is generally attached to the wall surface of the elastic sheet that is arranged opposite to the tip of the pen along the axial direction of the pen shaft. The contact area between the pressure sensing component and the elastic sheet is small, and the connection stability is poor. On the one hand, the input stability of the stylus is poor during use. On the other hand, the pressure sensing component is easy to fall off from the elastic sheet after long-term use. When the stylus falls, the pressure on the tip of the pen changes suddenly, and the sensing sheet is also easy to fall off from the elastic sheet or produce irreversible damage under the impact of the tip of the pen. In the prior art, the connection stability between the pressure sensing component of the stylus and the elastic sheet is poor, and the input stability is difficult to meet the use requirements. Utility Model Content

[0003] The main purpose of the utility model is to provide a pressure sensing component and a touch pen, which can improve the connection stability between the first sensor and the elastic sheet and improve the input stability of the touch pen.

[0004] To achieve the above purpose, the utility model proposes a pressure sensing component, which includes a shell, a main bracket, a first elastic member and a first sensor. The shell limits a receiving cavity; the main bracket is arranged in the receiving cavity, and the main bracket can move relative to the shell in a first direction; the first elastic member includes a first elastic part and a second elastic part, the second elastic part is connected to the main bracket, and along the first direction, one end of the first elastic part is connected to the shell, and the other end is connected to the second elastic part; the first sensor is attached to the first elastic part, and the first sensor is used to detect the deformation of the first elastic part.

[0005] In some embodiments, the first elastic portion includes a substrate and a bending portion, the bending portion is connected to the shell, the first sensor is attached to the substrate, and along the first direction, one side of the substrate is connected to the second elastic portion, and the other side is connected to the bending portion.

[0006] In some embodiments, the first elastic portion has a first wall surface parallel to the first direction, the first sensor is attached to the first wall surface, the bending portion has a first height a along a direction perpendicular to the first wall surface, the second elastic portion has a second height b, and along the first direction, the substrate has a first length c, and the first height a, the second height b and the first length c satisfy: a<b; and / or, c≥b.

[0007] In some embodiments, the first elastic portion has a first wall surface parallel to the first direction, the second elastic portion has a second wall surface perpendicular to the first wall surface, the first sensor is attached to the first wall surface, the second direction is perpendicular to the first wall surface, the third direction is perpendicular to the first direction and the second direction respectively, the bending portion includes a first protrusion and a second protrusion, and the first protrusion and the second protrusion are arranged on both sides of the substrate relatively along the third direction.

[0008] In some embodiments, a side of the first elastic portion facing away from the second elastic portion is welded to the housing.

[0009] In some embodiments, a side of the first elastic portion facing away from the second elastic portion is snapped to the housing.

[0010] In some embodiments, the first elastic member is integrally formed with the housing.

[0011] In some embodiments, the pressure sensing component further includes a second elastic member, which is disposed on a side of the first elastic portion away from the second elastic portion; wherein, along a direction perpendicular to the first direction, one side of the second elastic member is connected to the main support, and the other side is connected to an end of the first elastic portion away from the second elastic portion;

[0012] In some embodiments, the pressure sensing component also includes a second elastic member, which is arranged on a side of the first elastic portion away from the second elastic portion; wherein, along a direction perpendicular to the first direction, one side of the second elastic member is connected to the main bracket, and the other side is connected to the shell.

[0013] In some embodiments, the second elastic member has a through hole, and the main bracket passes through the through hole along the first direction and abuts against the second elastic member.

[0014] In some embodiments, the shell is provided with an opening connected to the accommodating cavity, and the pressure sensing component also includes a third elastic member, which is provided on a side of the first elastic portion close to the second elastic portion. One end of the main bracket is passed through the opening, and the other end is abutted against the third elastic member. The third elastic member is used to limit the movement of the main bracket along the first direction.

[0015] In some embodiments, the pressure sensing component further includes a second sensor, the second sensor is attached to the second elastic portion, and the second sensor is used to detect the deformation amount of the second elastic portion.

[0016] A second aspect of the present application further provides a stylus pen, which includes a pressure sensing component of any of the above embodiments.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] In the technical solution of the present application, the second elastic part is connected to the main bracket, and along the first direction, one side of the first elastic part is connected to the second spring sheet, and the other side is connected to the shell, and the first sensor is attached to the first elastic part. Along the first direction, the second elastic part is arranged opposite to the main bracket, and when the main bracket moves along the first direction, the second elastic part moves along the first direction with the main bracket at the same time, and one end of the first elastic part connected to the shell moves along the first direction with the second elastic part, thereby causing the first elastic part to be stretched or compressed. The first sensor is attached to the first elastic part, which avoids the first sensor being directly attached to the elastic component arranged opposite to the main bracket along the first direction, greatly increases the contact area between the first sensor and the first elastic part, greatly reduces the impact on the first sensor when the main bracket moves along the first direction, greatly improves the connection stability between the first sensor and the first elastic part, and enhances the input stability of the pressure sensing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the pressure sensing component in one embodiment of the utility model, wherein the third elastic member is integrally formed with the housing;

[0021] Figure 2 It is a schematic cross-sectional structural diagram of a pressure sensing assembly in an embodiment of the utility model, wherein the second elastic member is connected to the housing;

[0022] Figure 3 It is an exploded schematic diagram of a pressure sensing component in an embodiment of the utility model, wherein the first elastic member is provided with a bending portion, and the second elastic member is provided with a through hole;

[0023] Figure 4 It is an exploded cross-sectional schematic diagram of a pressure sensing component in an embodiment of the utility model, wherein the first elastic member is provided with a bending portion, and the second elastic member is provided with a through hole;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the pressure sensing component in one embodiment of the utility model, wherein the third elastic member is integrally formed with the housing and connected to the housing through an arc segment;

[0025] Figure 6 It is a schematic cross-sectional structural diagram of a pressure sensing assembly in an embodiment of the utility model, wherein the second elastic member is connected to the first elastic portion;

[0026] Figure 7 It is an exploded schematic diagram of a pressure sensing assembly in one embodiment of the utility model, wherein the second elastic member is connected to the first elastic portion;

[0027] Figure 8 It is an exploded cross-sectional schematic diagram of a pressure sensing assembly in an embodiment of the utility model, wherein the second elastic member is connected to the first elastic portion;

[0028] Fig. 9 This is a partial structural diagram of a pressure sensing component in an embodiment of the utility model, wherein a first sensor and a second sensor are attached to a first elastic member;

[0029] Fig.10 It is a schematic diagram of the working principle of the pressure sensing component in one embodiment of the utility model, wherein the first sensor and the second sensor are integrally formed.

[0030] Description of Figure Numbers:

[0031] Pressure sensing component 100;

[0032] Shell 110; accommodating chamber 111; opening 112;

[0033] Main support 120;

[0034] The first elastic member 130 ; the first elastic portion 131 ; the base plate 1311 ; the bending portion 1312 ; the first protrusion 13121 ; the second protrusion 13122 ; the first wall surface 1313 ; the second elastic portion 132 ; the second wall surface 1321 ;

[0035] A first sensor 140;

[0036] The second elastic member 150; the through hole 151;

[0037] A third elastic member 160;

[0038] A second sensor 170;

[0039] First direction X;

[0040] The second direction Y;

[0041] The third direction Z;

[0042] First height a;

[0043] Second height b;

[0044] The first length c.

[0045] The realization of the purpose, functional features and advantages of the present invention will be further described in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0046] 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.

[0047] The stylus can monitor the pressure change at the tip of the pen through the pressure sensing component, thereby realizing the recognition of user input. When the tip of the stylus acts on the smart device, the tip of the pen can move along the axial direction of the pen shaft under the action of pressure, and the tip of the pen can act with the elastic sheet during the movement to deform the elastic sheet. In the prior art, the first sensor of the pressure sensing component is generally attached to the wall surface of the elastic sheet that is arranged opposite to the tip of the pen along the axial direction of the pen shaft. The contact area between the pressure sensing component and the elastic sheet is small, and the connection stability is poor. On the one hand, it will only lead to poor input stability of the stylus during use. On the other hand, the pressure sensing component is easy to fall off from the elastic sheet during long-term use. When the stylus falls, the pressure on the tip of the pen suddenly changes, and the sensor sheet is also easy to fall off from the elastic sheet or cause irreversible damage under the impact of the tip of the pen. In the prior art, the connection stability between the pressure sensing component of the stylus and the elastic sheet is poor, and the input stability is difficult to meet the use requirements.

[0048] To solve the above technical problems, Figures 1 to 10 As shown, the present application proposes a pressure sensing assembly 100 , which includes a housing 110 , a main support 120 , a first elastic member 130 and a first sensor 140 .

[0049] like Figure 1 as well as Figure 5 As shown, the housing 110 limits the accommodating cavity 111. According to different requirements for the appearance design of the stylus, the housing 110 can be configured as a cylindrical housing 110. Specifically, the main bracket 120 can move relative to the housing 110 along the first direction X, and a projection surface is set perpendicular to the first direction X. The projection shape of the outer wall surface of the housing 110 on the projection surface along the first direction X can be a circle, a polygon, an ellipse, or a D-shaped or any other suitable shape. The inner wall surface of the housing 110 limits the accommodating cavity 111, and the projection of the inner wall surface on the projection surface along the first direction X can also be a circle or any other suitable shape. The shape of the accommodating cavity 111 can be set according to different installation requirements of the main bracket 120 provided with a pen tip, etc.

[0050] like Figure 2 as well as Figure 6As shown, the main bracket 120 is inserted into the accommodating cavity 111, and the main bracket 120 can move relative to the shell 110 along the first direction X. That is to say, during use, relative to the main bracket 120, the shell 110 serves as a fixed part, and the main bracket 120 serves as a movable part. The main bracket 120 may include a pen tip and a frame, etc. The main bracket 120 is inserted into the accommodating cavity 111, wherein the pen tip passes through the accommodating cavity 111 and can contact the screen of a smart device, etc., thereby pushing the main bracket 120 to move relative to the shell 110 along the first direction X.

[0051] like Figure 3 as well as Figure 7 As shown, the first elastic member 130 includes a first elastic portion 131 and a second elastic portion 132, the second elastic portion 132 is connected to the main bracket 120, and along the first direction X, one end of the first elastic portion 131 is connected to the housing 110, and the other end is connected to the second elastic portion 132. That is, along the first direction X, the second elastic portion 132 is arranged opposite to the pen tip of the main bracket 120. The first elastic portion 131 and the second elastic portion 132 can be configured as any suitable elastic body such as an elastic sheet or an elastic rod. Taking the first elastic part 131 and the second elastic part 132 as an example, along the direction perpendicular to the first direction X, one side of the second elastic part 132 is connected to the main bracket 120, and the other side is connected to the first elastic part 131. The first elastic part 131 may have a plate body parallel to the first direction X. The first elastic part 131 may be directly connected to the housing 110 and the second elastic part 132 through the plate body parallel to the first direction X. The first elastic part 131 may also be provided with a bending section at the end of the plate body parallel to the first direction X and connected to the housing 110 and the second elastic part 132 through the bending section. The connection area between the second elastic part 132 and the main bracket 120 can be set according to the connection requirements of the main bracket 120, and the distance between the end of the second elastic part 132 away from the first elastic part 131 and the first elastic part 131, that is, the length of the second elastic part 132 can be set according to different connection requirements between the second elastic part 132 and the main bracket 120.

[0052] like Figure 4 as well as Figure 8 As shown, the first sensor 140 is attached to the first elastic part 131, and the first sensor 140 is used to detect the deformation of the first elastic part 131. The first sensor 140 can be attached to the side of the first elastic part 131 close to the main bracket 120, and can also be attached to the side of the first elastic sheet close to the housing 110. The contact surface between the first sensor 140 and the first elastic part 131 can intersect with the first direction X, and the contact surface between the first sensor 140 and the first elastic part 131 can also be parallel to the first direction X. Preferably, the contact surface between the first sensor 140 and the first elastic part 131 is parallel to the first direction X.

[0053] In the technical solution of the present application, the second elastic part 132 is connected to the main bracket 120, and along the first direction X, one side of the first elastic part 131 is connected to the second elastic sheet, and the other side is connected to the housing 110, and the first sensor 140 is attached to the first elastic part 131. Along the first direction X, the second elastic part 132 is arranged opposite to the main bracket 120, and when the main bracket 120 moves along the first direction X, the second elastic part 132 moves along the first direction X with the main bracket 120. One end of the first elastic part 131 is connected to the second elastic part 132, and the other end is connected to the housing 110. One end of the first elastic part 131 connected to the housing 110 moves along the first direction X with the second elastic part 132, thereby causing the first elastic part 131 to be stretched or compressed. The first sensor 140 is attached to the first elastic part 131, which avoids the first sensor 140 being directly attached to the elastic component arranged opposite to the main bracket 120 along the moving direction of the main bracket 120. The contact area between the first sensor 140 and the first elastic member 130 is greatly increased, and the impact on the first sensor 140 when the main bracket 120 moves along the first direction X is greatly reduced. The connection stability between the first sensor 140 and the first elastic member 130 is greatly improved, and the input stability of the pressure sensing component 100 is enhanced. It can be understood that, compared with the prior art in which the first sensor 140 is directly attached to the second elastic part 132 arranged opposite to the main bracket 120 along the first direction X, the first sensor 140 of the present application is connected to the first elastic part 131, that is, the first sensor 140 and the main bracket 120 are arranged opposite to each other along the direction intersecting the first direction X, which avoids the sudden change of thrust on the main bracket 120 when the stylus falls or bumps, and the first sensor 140 is impacted by the main bracket 120 and then falls off from the elastic sheet or is irreversibly damaged. The technical solution of the present application also improves the impact resistance of the pressure sensing component 100 and reduces the risk of damage to the pressure sensing component 100 .

[0054] like Figure 3 as well as Figure 7As shown, in order to facilitate the installation of the first sensor 140 and the connection between the first elastic part 131 and the housing 110, the first elastic part 131 may include a substrate 1311 and a bending part 1312. In this embodiment, the first elastic part 131 includes a substrate 1311 and a bending part 1312, the bending part 1312 is connected to the housing 110, and the first sensor 140 is attached to the substrate 1311. Along the first direction X, one side of the substrate 1311 is connected to the second elastic part 132, and the other side is connected to the bending part 1312. The setting of the bending part 1312 can improve the recognition stability of the pressure sensing component 100. First, the setting of the bending part 1312 can provide a smooth transition for the connection between the substrate 1311 and the housing 110. When the main bracket 120 is subjected to pressure, the various sections of the shrapnel can work together more smoothly, reducing the possibility of shrapnel breakage and input jump, thereby improving the accuracy and stability of pressure sensing. Secondly, the setting of the bending portion 1312 can optimize the pressure distribution on the first elastic portion 131. The design of the bending portion 1312 can more effectively disperse and transmit pressure, reduce the possibility of excessive stress concentration on the first elastic portion 131, and thus extend the service life of the pressure sensing component 100. In addition, the setting of the bending portion 1312 can enhance the structural stability of the first elastic portion 131, and the bending portion 1312 and the substrate 1311 can support each other, thereby reducing the deformation or damage of the first elastic member 130 caused by sudden changes in external force. In other words, the setting of the bending portion 1312 can also optimize pressure sensing and enhance structural stability, so that the pressure sensing component 100 can provide users with a more accurate and smooth input experience when in use, which helps to improve user satisfaction.

[0055] like Figure 3 as well as Figure 7 As shown, according to different specific pressure sensing requirements, the height of the bending portion 1312 along the direction perpendicular to the first wall surface 1313 may be different. In this embodiment, the first elastic portion 131 has a first wall surface 1313 parallel to the first direction X, the first sensor 140 is attached to the first wall surface 1313, along the direction perpendicular to the first wall surface 1313, the bending portion 1312 has a first height a, the second elastic portion 132 has a second height b, along the first direction X, the substrate 1311 has a first length c, the first height a, the second height b and the first length c satisfy: 0<a / c≤1 / 5; and / or, a<b; and / or, c≥b.

[0056] Specifically, the first height a can be any suitable length such as 1 / 8, 1 / 7, 1 / 6 or 1 / 5 of the first length c. The first height a of the bending portion 1312 is not greater than 1 / 5 of the first length c. The main bracket 120 moves along the first direction X, and the main bracket 120 drives the second elastic portion 132 to move. The second elastic portion 132 stretches or compresses the first elastic portion 131. Compared with the length of the substrate 1311, the height of the bending portion 1312 is shorter and the rigidity is greater. The bending portion 1312 is connected to the fixing member housing 110, and the deformation amount of the bending portion 1312 is small. The first sensor 140 is attached to the substrate 1311. When the substrate 1311 is deformed, the first sensor 140 detects the deformation and generates an electrical signal. The deformation is concentrated on the substrate 1311. The setting of the bending portion 1312 enables the deformation amount detected by the first sensor 140 to more accurately reflect the magnitude of the pressure on the main bracket 120. The first height a is smaller than the second height b, so that the relative rigidity of the bending portion 1312 in each part of the first elastic member 130 is larger and the deformation is smaller. The first length c can be equal to the second height b, and the first length c can also be 2 times, 3 times, 4 times, 5 times, 5.5 times or any other suitable length of the second height b. The first length c and the second height b satisfy c≥b. On the one hand, the second elastic portion 132 has sufficient rigidity so that the second elastic portion 132 can stretch or compress the substrate 1311 under the drive of the main bracket 120. Preferably, the second elastic portion 132 can stretch the substrate 1311 under the drive of the main bracket 120. On the other hand, the first elastic portion 131 has enough area for installing the first sensor 140, and the length of the second elastic portion 132 can be reasonably adjusted according to the length of the main bracket 120, so that the deformation of the first elastic member 130 is concentrated on the substrate 1311, reducing the detection error of the first sensor 140.

[0057] The first sensor 140 is attached to the first elastic part 131. To further improve the sensitivity of the pressure sensing component 100 in detecting the deformation of the first elastic member 130 and the comprehensiveness of the sensor in detecting the deformation of the first elastic member 130, multiple sensors can be attached to different positions of the first elastic member 130. Fig. 9 as well as Fig.10 As shown, in some embodiments, the pressure sensing component 100 further includes a second sensor 170, which is attached to the second elastic portion 132 and is used to detect the deformation of the second elastic portion 132. Preferably, along the first direction X, the second elastic portion 132 may be in contact with the main support 120 on one side and the second sensor 170 is disposed on the other side. Fig. 9As shown, more preferably, when the second elastic portion 132 is attached with the second sensor 170, the second height b and the first length c can be approximately equal. The second height b and the first length c satisfy: 0.9≤b / c≤1.1, which can be understood as the second height b and the first length c are approximately equal. Specifically, the ratio of the second height b to the first length c can be 0.9, 0.95, 0.99, 1, 1.02, 1.05, 1.1 or any other suitable ratio, which is not limited here. Fig.10 As shown, in order to improve the convenience of installation, the first sensor 140 and the second sensor 170 can be made in an integrated manner. That is, the first sensor 140 and the second sensor 170 can be integrated into the same sensor element, which extends from the first elastic part 131 to the second elastic part 132 to measure the deformation of the first elastic part 131 and the second elastic part 132 respectively.

[0058] Specifically, during detection, the tip of the pen pushes the main bracket 120 to move relative to the housing 110 along the first direction X, the second elastic portion 132 of the first elastic member 130 is connected to the main bracket 120, and the first elastic portion 131 of the first elastic member 130 is connected to the housing 110. Under the action of the main bracket 120 and the housing 110, the main bracket 120 pushes the second elastic portion 132 to move toward one end away from the first elastic portion 131, and the second elastic portion 132 is stretched to generate a C-shaped positive strain. The second elastic portion 132 is close to one end of the first elastic portion 131 to squeeze the first elastic portion 131, and the first elastic portion 131 is in the second elastic portion. Under the action of the elastic part 132 and the shell 110, S-shaped positive strain and negative strain are generated. Optionally, in order to improve the detection sensitivity and obtain better detection effect, the negative strain of the first elastic part 131 and the positive strain of the second elastic part 132 can be selected as detection points. The first sensor 140 detects the deformation of the first elastic part 131, and the second sensor 170 detects the deformation of the second elastic part 132, so that the acquired deformation amount is larger and the detection result is more accurate. The control component conducts a comprehensive analysis of the detection results of the two, and finally enables the pressure sensing component 100 to recognize pressure changes more accurately and sensitively.

[0059] The arrangement of the bending portion 1312 may vary according to different usage requirements. Specifically, the substrate 1311 may be provided with a first wall surface 1313 parallel to the first direction X, and the first wall surface 1313 is used to attach the first sensor 140. The direction perpendicular to the first wall surface 1313 is the second direction Y, and the direction perpendicular to the first direction X and the second direction Y is the third direction Z. Figure 7As shown, in some embodiments, the bending portion 1312 can be connected to the two sides of the substrate 1311 along the first direction X with the second elastic portion 132, respectively. In some embodiments, the bending portion 1312 can also be provided on both sides of the substrate 1311 along the third direction Z. In some embodiments, the bending portion 1312 can extend from the substrate 1311 to the second direction Y, that is, the bending portion 1312 can extend in a direction perpendicular to the first wall surface 1313 of the substrate 1311 and be connected to the housing 110; the bending portion 1312 can also extend in the third direction Z, that is, the bending portion 1312 can also extend in a direction parallel to the first wall surface 1313 and be connected to the housing 110. In some embodiments, the bending portion 1312 can be welded to the housing 110, or can be clamped to the housing 110. In some embodiments, the bending portion 1312 can be welded to the substrate 1311, can be clamped to the substrate 1311, or can be integrally formed on the substrate 1311. That is to say, the side of the first elastic portion 131 facing away from the second elastic portion 132 can be welded to the housing 110 , can be snapped to the housing 110 , and the first elastic member 130 can also be integrally formed with the housing 110 .

[0060] like Figure 7 As shown, in this embodiment, the first elastic portion 131 has a first wall surface 1313 parallel to the first direction X, the second elastic portion 132 has a second wall surface 1321 perpendicular to the first wall surface 1313, the first sensor 140 is attached to the first wall surface 1313, the second direction Y is perpendicular to the first wall surface 1313, the third direction Z is perpendicular to the first direction X and the second direction Y respectively, the bending portion 1312 includes a first protrusion 13121 and a second protrusion 13122, and the first protrusion 13121 and the second protrusion 13122 are arranged on both sides of the substrate 1311 along the third direction Z. It can be understood that the first protrusion 13121 and the second protrusion 13122 can be welded to the housing 110, or can be snapped to the housing 110. When the first protrusion 13121 and the second protrusion 13122 are snapped onto the shell 110, the shell 110 can limit a slot, and the first protrusion 13121 and the second protrusion 13122 can move in the slot along the first direction X, so that the first protrusion 13121 and the second protrusion 13122 can also limit the main bracket 120 to move only in the first direction X, thereby improving the stability of the movement of the main bracket 120, reducing the shaking of the main bracket 120 in other directions, reducing the deviation between the pressure direction of the first elastic member 130 and the first direction X, and improving the detection accuracy of the pressure sensing component 100.

[0061] The main support 120 will move along the first direction X when subjected to external force. In order to reduce the impact force of the main support 120 on the first elastic sheet when subjected to impact, the pressure sensing component 100 may be provided with a plurality of elastic members to assist the first elastic member 130 in guiding the movement of the main support 120, or to limit the movement of the main support 120 along the first direction X, thereby improving the deformation stability of the first elastic member 130. Figure 6 As shown, in some embodiments, the pressure sensing assembly 100 further includes a second elastic member 150, which is disposed on a side of the first elastic portion 131 away from the second elastic portion 132; wherein, along a direction perpendicular to the first direction X, one side of the second elastic member 150 is connected to the main support 120, and the other side is connected to an end of the first elastic portion 131 away from the second elastic portion 132. Specifically, the second elastic member 150 can be configured as an elastic sheet extending along the second direction Y. On the one hand, one end of the second elastic member 150 is connected to the main support 120, and the other end is connected to the first elastic portion 131. The arrangement of the second elastic member 150 enables the main support 120 to be simultaneously restricted by the second elastic portion 132 and the second elastic member 150 during the movement along the first direction X. The arrangement of the second elastic member 150 reduces the risk of the main support 120 being subjected to excessive external force and damaging the first elastic member 130. It is understandable that the main bracket 120 may be provided with a guide groove extending along the first direction X, and one end of the second elastic member 150 away from the first elastic portion 131 may be inserted into the guide groove. When the impact force on the main bracket 120 causes the main bracket 120 to move beyond the length of the guide groove, the second elastic member 150 can abut against the wall of the guide groove, thereby enabling the second elastic member 150 to limit the movement of the main bracket 120. On the other hand, the second elastic member 150 can form a U-shaped elastic component with the first elastic member 130. The abutment of the second elastic member 150 with the main bracket 120 can improve the stability of the first elastic member 130, thereby improving the accuracy and reliability of the detection of the first sensor 140. In addition, the second elastic member 150 can be integrally formed with the first elastic member 130, thereby improving the convenience of assembly of the first elastic member 130 and the second elastic member 150, and greatly reducing the manufacturing cost of the pressure sensing component 100. It should be noted that when the second elastic member 150 is connected to the first elastic member 130, the first elastic portion 131 can also be provided with a first protrusion 13121 and a second protrusion 13122 along the third direction Z to further improve the connection stability between the first elastic member 130 and the shell 110 and the main bracket 120, which will not be repeated here.

[0062] like Figure 2As shown, in some embodiments, the pressure sensing component 100 further includes a second elastic member 150, which is disposed on a side of the first elastic portion 131 away from the second elastic portion 132; wherein, along a direction perpendicular to the first direction X, one side of the second elastic member 150 is connected to the main support 120, and the other side is connected to the housing 110. Specifically, the second elastic member 150 may also have a through hole 151, and the main support 120 is penetrated through the through hole 151 along the first direction X and abuts against the second elastic member 150. The second elastic member 150 may be welded to the housing 110, may be clamped to the housing 110, or may be integrally formed with the housing 110. The provision of the second elastic member 150 can reduce the impact of the main support 120 on the first elastic member 130 on the one hand, and improve the movement accuracy of the main support 120 in the first direction X on the other hand. Specifically, in some embodiments, the second elastic member 150 may be provided with a plate extending along the first direction X and a plate extending along the second direction Y. The plate of the second elastic member 150 extending along the first direction X abuts against the main bracket 120 to further limit and guide the movement of the main bracket 120 in the first direction X. The plate of the second elastic member 150 extending along the second direction Y may be provided with a through hole 151. The main bracket 120 is penetrated by the through hole 151 so that the second elastic member 150 can limit the movement of the main bracket 120 in any other direction perpendicular to the first direction X, thereby improving the movement accuracy of the main bracket 120 along the first direction X and optimizing the detection accuracy of the first sensor 140.

[0063] like Figure 3 as well as Figure 7As shown, in some embodiments, the pressure sensing component 100 may also be provided with a third elastic member 160. The housing 110 is provided with an opening 112 communicating with the accommodating cavity 111. The pressure sensing component 100 also includes a third elastic member 160. The third elastic member 160 is provided on a side of the first elastic portion 131 close to the second elastic portion. One end of the main bracket 120 is passed through the opening 112, and the other end is in contact with the third elastic member 160. The third elastic member 160 is used to limit the movement of the main bracket 120 along the first direction X. The pressure sensing component 100 may also include components such as a flexible circuit board. The main bracket 120 moves along the first direction X. When the main bracket 120 is impacted, not only the first elastic member 130 and the first sensor 140 may be damaged, but also the flexible circuit board and the like provided in the accommodating cavity 111 may be damaged. In this embodiment, the third elastic member 160 is disposed on the side of the first elastic portion 131 close to the second elastic portion 132. The third elastic member 160 separates the accommodating cavity 111. The third elastic member 160 limits the main bracket 120 to the side of the third elastic member 160 close to the opening 112. The third elastic member 160 can limit the movement of the main bracket 120 along the first direction X, thereby greatly reducing the risk of the main bracket 120 damaging the device on the side of the third elastic member 160 away from the opening 112. In some embodiments, the third elastic member 160 can be integrally formed with the housing 110 to reduce the manufacturing cost and assembly difficulty of the pressure sensing component 100, which will not be described in detail here. It can be understood that if Figure 5 As shown, the third elastic member 160 may also be provided with an arc segment connected to the housing 110, so that the third elastic member can be more stably connected to the housing 110 when impacted, so that the movement stroke of the main bracket 120 along the first direction X can be stably controlled. Figure 1 as well as Figure 5 As shown, the shell 110 may be provided with a hole connected to the third elastic member 160 , and the third elastic member 160 may be arranged on a side of the hole of the shell 110 close to the opening 112 , or on a side of the hole of the shell 110 away from the opening 112 .

[0064] The second aspect of the present application further provides a stylus (not shown in the figure), which includes the pressure sensing component 100 of any of the above embodiments. Thanks to the improvement of the above pressure sensing component 100, the stylus of this embodiment has the same technical effect as the above pressure sensing component 100, which will not be repeated here.

[0065] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0066] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" can explicitly or implicitly include at least one of the features. In addition, if "and / or", "and / or" or "and / or" appears in the full text, its meaning 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 utility model.

[0067] 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 utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pressure sensing component, characterized in that: include: A shell body, defining a receiving cavity; A main bracket is arranged in the accommodating cavity, and the main bracket can move relative to the shell along a first direction; A first elastic member, comprising a first elastic portion and a second elastic portion, wherein the second elastic portion is connected to the main bracket, and along the first direction, one end of the first elastic portion is connected to the housing, and the other end is connected to the second elastic portion; The first sensor is attached to the first elastic part, and the first sensor is used to detect the deformation amount of the first elastic part.

2. The pressure sensing component according to claim 1, characterized in that: The first elastic part includes a substrate and a bending part, the bending part is connected to the shell, the first sensor is attached to the substrate, and along the first direction, one side of the substrate is connected to the second elastic part, and the other side is connected to the bending part.

3. The pressure sensing component according to claim 2, characterized in that: The first elastic portion has a first wall surface parallel to the first direction, the first sensor is attached to the first wall surface, along the direction perpendicular to the first wall surface, the bending portion has a first height a, the second elastic portion has a second height b, along the first direction, the substrate has a first length c, the first height a, the second height b and the first length c satisfy: a<b; and / or, c≥b.

4. The pressure sensing component according to claim 2, characterized in that: The first elastic portion has a first wall surface parallel to the first direction, the second elastic portion has a second wall surface perpendicular to the first wall surface, the first sensor is attached to the first wall surface, the second direction is perpendicular to the first wall surface, and the third direction is perpendicular to the first direction and the second direction respectively, the bending portion includes a first protrusion and a second protrusion, and the first protrusion and the second protrusion are arranged on both sides of the substrate relatively along the third direction.

5. The pressure sensing component according to claim 1, characterized in that: The side of the first elastic portion facing away from the second elastic portion is welded to the housing; or, The first elastic portion is clamped to the housing at a side facing away from the second elastic portion; or, The first elastic member is integrally formed with the housing.

6. The pressure sensing component according to claim 1, characterized in that: The pressure sensing component further includes a second elastic member, and the second elastic member is arranged on a side of the first elastic portion away from the second elastic portion; in, Along a direction perpendicular to the first direction, one side of the second elastic member is connected to the main bracket, and the other side is connected to an end of the first elastic portion away from the second elastic portion; Alternatively, along a direction perpendicular to the first direction, one side of the second elastic member is connected to the main bracket, and the other side is connected to the shell.

7. The pressure sensing assembly according to claim 6, characterized in that: The second elastic member has a through hole, and the main bracket is arranged through the through hole along the first direction and abuts against the second elastic member.

8. The pressure sensing assembly according to claim 1, characterized in that: The shell is provided with an opening connected to the accommodating cavity, and the pressure sensing component also includes a third elastic member, which is provided on a side of the first elastic part close to the second elastic part. One end of the main bracket is passed through the opening, and the other end is abutted against the third elastic member. The third elastic member is used to limit the movement of the main bracket along the first direction.

9. The pressure sensing assembly according to claim 1, characterized in that: The pressure sensing component further includes a second sensor, which is attached to the second elastic part and is used to detect the deformation amount of the second elastic part.

10. A touch pen, characterized in that: A pressure sensing component comprising any one of claims 1 to 9.

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