Connection terminal, pressure sensor, brake assembly and vehicle

Abstract

The utility model discloses a connecting terminal, a pressure sensor, a brake assembly and a vehicle, and the connecting terminal comprises a main body which comprises a first end and a second end; and the elastic piece is connected with the first end. According to the technical scheme provided by the invention, the connection reliability of the connection terminal can be improved.

Description

Technical Field

[0001] The present application belongs to the field of vehicle technology, and in particular relates to a connecting terminal, a pressure sensor, a brake assembly and a vehicle. Background Art

[0002] The elastic member of the pressure sensor in the prior art usually extends directly out of the pressure sensor and abuts against the terminal on the circuit board of the brake control device. Since the elastic body is exposed to the outside of the pressure sensor and has no support, and the external environment of the pressure sensor is relatively complex, it is easy to cause the elastic body to deform, thereby increasing the risk of poor abutment between the elastic body and the terminal of the circuit board. Utility Model Content

[0003] The purpose of the embodiments of the present application is to provide a connecting terminal, a pressure sensor, a brake assembly and a vehicle.

[0004] According to a first aspect of an embodiment of the present application, there is provided a connecting terminal, comprising:

[0005] a body including a first end and a second end;

[0006] An elastic member is connected to the first end.

[0007] Optionally, a bending portion is provided between the first end and the second end.

[0008] Optionally, the stiffness of the bending portion is greater than the stiffness of the elastic member.

[0009] Optionally, the second end is pointed.

[0010] Optionally, the first end is pointed.

[0011] Optionally, a protrusion is provided on the main body near the first end, a diameter of the protrusion is larger than a diameter of the elastic member, and the protrusion abuts against the elastic member.

[0012] According to a second aspect of an embodiment of the present application, a pressure sensor is provided, comprising a bracket and the above-mentioned connecting terminal, wherein the first end of the main body is located inside the bracket, the second end of the main body is located outside the bracket, and the elastic member is partially located inside the bracket.

[0013] Optionally, the bending portion of the main body is arranged outside the bracket.

[0014] Optionally, a mounting hole extending along the axial direction of the bracket is formed on the bracket, the elastic member is arranged in the mounting hole and connected to the first end, and the first end is located in the mounting hole.

[0015] Optionally, the main body and the bracket are integrally injection molded.

[0016] Optionally, the pressure sensor includes three connecting terminals.

[0017] Optionally, a first circuit board is further included, which is arranged on a side of the bracket away from the second end, a portion of the elastic member away from the first end is located outside the bracket, and the elastic member abuts against the first circuit board.

[0018] According to a third aspect of an embodiment of the present application, a brake assembly is provided, comprising the above-mentioned pressure sensor.

[0019] Optionally, a second circuit board is further included, the second circuit board is provided with a first through hole, and the second end of the main body passes through the first through hole and is welded to the second circuit board.

[0020] According to a fourth aspect of an embodiment of the present application, a vehicle is provided, comprising the above-mentioned pressure sensor; or the above-mentioned brake assembly.

[0021] One technical effect of the embodiment of the present application is that the elastic member is used to connect to the first circuit board of the pressure sensor, and the second end is used to connect to the second circuit board of the brake assembly. The main body is connected to the brake assembly, thereby avoiding deformation of the elastic member, thereby improving the connection reliability of the connection terminal.

[0022] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0024] Figure 1 This is a schematic diagram of the structure of the connection terminal in the embodiment of the present application;

[0025] Figure 2 is a front view of a connecting terminal in an embodiment of the present application;

[0026] Figure 3 It is a schematic diagram of the structure of the main body in the embodiment of the present application;

[0027] Figure 4 It is a front view of the main body in the embodiment of the present application;

[0028] Figure 5 It is a front view of the pressure sensor in the embodiment of the present application;

[0029] Figure 6A top view of a pressure sensor in an embodiment of the present application;

[0030] Figure 7 for Figure 2 Sectional view at AA in the middle;

[0031] Figure 8 is a cross-sectional view of a brake assembly in an embodiment of the present application;

[0032] Fig. 9 It is a cross-sectional view of the connection among the hydraulic control unit, the pressure sensor and the second circuit board in the embodiment of the present application.

[0033] Explanation of the reference numerals: main body 1; first end 11; second end 12; protrusion 13; bending portion 14; bracket 2; mounting hole 21; elastic member 3; first circuit board 4; pressure interface 5; sensitive element 6; housing 7; second circuit board 8; first through hole 81; hydraulic control unit 9; mounting seat 10; second through hole 101; connecting terminal 100; pressure sensor 200; brake assembly 300. DETAILED DESCRIPTION

[0034] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0035] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present application, its application, or uses.

[0036] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0037] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0038] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0039] like Figure 1-Figure 4 As shown, according to a first aspect of an embodiment of the present application, a connecting terminal 100 is provided, comprising a main body 1 and an elastic member 3 , wherein the main body 1 comprises a first end 11 and a second end 12 , and the elastic member 3 is connected to the first end 11 .

[0040] like Figure 1-Figure 4As shown, the connecting terminal 100 includes a main body 1 and an elastic member 3 .

[0041] The main body 1 is an integrated structure to ensure the structural strength of the main body 1.

[0042] More specifically, the main body 1 includes a first end 11 and a second end 12, the first end 11 is connected to the elastic member 3, the elastic member 3 is used to be connected to the first circuit board 4 of the pressure sensor 200, and the second end 12 is used to be connected to the second circuit board 8 of the brake assembly 300. By connecting the main body 1 to the brake assembly 300, deformation of the elastic member 3 can be avoided, thereby improving the connection reliability of the connection terminal 100.

[0043] The elastic member 3 may be a coil spring or a spring sheet.

[0044] In an optional implementation, a bending portion 14 is provided between the first end 11 and the second end 12 .

[0045] like Figure 1-Figure 4 As shown, the main body 1 includes a bending portion 14, and the bending portion 14 is arranged between the first end 11 and the second end 12. The bending portion 14 is elastic, and the elastic main body 1 can resist deformation of the first circuit board 4, the main body 1 or other components caused by thermal expansion and contraction, so that the main body 1 will not be damaged by pulling or squeezing.

[0046] Further explanation, since the second end 12 is used to connect to the brake assembly 300, an elastic connection is formed between the brake assembly 300 and the pressure sensor 200 through the bending portion 14, so as to prevent the main body 1 from being deformed when the distance between the brake assembly 300 and the pressure sensor 200 changes during the manufacturing process of the brake assembly 300.

[0047] In an optional embodiment, the rigidity of the bending portion 14 is greater than the rigidity of the elastic member 3. Since the rigidity of the bending portion 14 is greater than the rigidity of the elastic member 3, the portion of the bending portion 14 exposed from the bracket 2 can be relatively long, and the bending portion 14 can also leave enough compression between the brake assembly 300 and the pressure sensor 200 to improve the connection reliability between the pressure sensor 200 and the brake assembly 300.

[0048] In an optional embodiment, the second end 12 is in a pointed shape.

[0049] like Figure 3 and Figure 4As shown, the second end 12 is in a pointed shape, and its pointed shape can be conical, truncated, pyramidal or prism-shaped. Since the second end 12 is used to connect with the second circuit board 8 of the brake assembly 300, the second end 12 is set to be in a pointed shape so that it can pass through the first through hole 81 of the second circuit board 8 more smoothly, thereby improving assembly efficiency.

[0050] Further description, the radial cross-section of the portion between the first end 11 and the second end 12 of the main body 1 is a cylinder or rectangle of the same size, and the outer diameter of the radial cross-section is smaller than the inner diameter of the second through hole 101 of the second circuit board 8, so that the first end 11 can pass through the second through hole 101 and be welded to the second circuit board 8.

[0051] In an optional embodiment, the first end 11 is in a pointed shape.

[0052] like Figure 3 and Figure 4 As shown, the first end 11 is pointed, and its pointed shape can be conical, truncated, pyramidal or prism-shaped. Since the first end 11 is used to connect with the elastic member 3, the first end 11 is set to be pointed to facilitate insertion of the elastic member 3, so as to improve assembly efficiency.

[0053] In an optional implementation, a protrusion 13 is provided on the main body 1 near the first end 11 , the diameter of the protrusion 13 is greater than the diameter of the elastic member 3 , and the protrusion 13 abuts against the elastic member 3 .

[0054] like Figure 2 and Figure 3 As shown, a protrusion is provided near the first end of the main body, and the protrusion 13 extends radially of the main body 1 . The diameter of the protrusion 13 is larger than the diameter of the elastic member 3 , and one side of the protrusion 13 abuts against the elastic member 3 .

[0055] More specifically, the elastic member 3 is a coil spring, the inner diameter of the coil spring is smaller than the diameter of the protrusion 13, and the diameter of the first end 11 is smaller than the inner diameter of the coil spring. Therefore, the first end 11 can extend into the coil spring, and since the diameter of the protrusion 13 is larger than the inner diameter of the coil spring, the protrusion 13 can be stuck on the outside of the coil spring to limit the distance that the first end 11 extends into the coil spring. In addition, the protrusion 13 presses the elastic member 3 so that the elastic contact between the elastic member 3 and the main body 1 is always in a compressed state, so as to increase the contact area between the main body 1 and the elastic member 3, make the contact more stable, and improve the connection reliability between the elastic member 3 and the main body 1.

[0056] The protrusion 13 may be annular, and the protrusion 13 surrounds the circumference of the main body 1, and the protrusion 13 extends along the radial direction of the main body 1, so that the diameter of the protrusion 13 is greater than the diameter of the elastic member 3. Figure 6As shown, the protrusion 13 can also be a pair of protrusions symmetrically arranged along the axis of the main body 1, the two protrusions extend radially along the main body 1 respectively, and the distance between the outer edges of the two protrusions is the diameter of the protrusion 13, so the diameter of the protrusion 13 is greater than the diameter of the elastic member 3.

[0057] like Figure 5-Figure 7 As shown, according to the second aspect of an embodiment of the present application, a pressure sensor 200 is provided, comprising a bracket 2 and the above-mentioned connecting terminal 100, the first end 11 of the main body 1 being located inside the bracket 2, the second end 12 of the main body 1 being located outside the bracket 2, and the elastic member 3 being partially located inside the bracket 2.

[0058] like Figure 5-Figure 7 As shown, the pressure sensor 200 includes a bracket 2 and a connecting terminal 100 , and the connecting terminal 100 includes a main body 1 and an elastic member 3 connected to a first end 11 of the main body 1 .

[0059] More specifically, the first end 11 of the main body 1 is located inside the bracket 2, the elastic member 3 is partially located inside the bracket 2, and the elastic member 3 is connected to the first end 11; the second end 12 is located outside the bracket 2, and the second end 12 is used to connect with the brake assembly 300.

[0060] To further explain, the elastic member 3 is arranged inside the bracket 2, and the bracket 2 can provide support for the elastic member 3, thereby making the elastic member 3 more stable; the connection between the first end 11 and the elastic member 3 is located inside the bracket 2, so that it cannot contact the external environment of the pressure sensor 200, which not only avoids the presence of impurities at the contact between the elastic member 3 and the first end 11 to avoid the risk of disconnection; it can also prevent the deformation of the elastic member 3 caused by human factors and equipment during the manufacturing process of the brake assembly 300.

[0061] In an optional embodiment, the bending portion 14 of the connection terminal 100 is disposed outside the bracket 2. Therefore, the main body 1 located outside the bracket 2 has elasticity due to the bending portion 14, and the elastic main body 1 can resist deformation of the first circuit board 4, the main body 1 or other components due to thermal expansion and contraction, so that the main body 1 of the connection terminal 100 will not be damaged by pulling or squeezing.

[0062] Further explanation is given that since the second end 12 is used to connect to the brake assembly 300, an elastic connection is formed between the brake assembly 300 and the pressure sensor 200 through the bending portion 14, so as to prevent the connecting terminal 100 from being deformed when the distance between the brake assembly 300 and the pressure sensor 200 changes during the manufacturing process of the brake assembly 300.

[0063] In an optional embodiment, a mounting hole 21 extending along the axial direction of the bracket 2 is opened on the bracket 2 , the elastic member 3 is arranged in the mounting hole 21 and connected to the first end 11 , and the first end 11 is located in the mounting hole 21 .

[0064] like Figure 7 As shown, a mounting hole 21 is provided on the bracket 2 , and the mounting hole 21 extends to the first end 11 along the axial direction of the bracket 2 . The elastic member 3 is arranged inside the mounting hole 21 , and inside the mounting hole 21 , the elastic member 3 is connected to the first end 11 .

[0065] Further explanation: the elastic member 3 is arranged inside the mounting hole 21, so the mounting hole 21 can provide support for the elastic member 3, thereby preventing the elastic member 3 from tipping over. The first end 11 is connected to the elastic member 3 inside the mounting hole 21 to avoid contact with the external environment, and dust and impurities can be prevented from falling into the connection between the first end 11 and the elastic member 3, and impurities are avoided at the contact between the elastic member 3 and the first end 11, thereby avoiding the risk of disconnection, thereby improving the reliable connection between the main body 1 and the elastic member 3.

[0066] Furthermore, the diameter of the protrusion 13 is greater than the diameter of the mounting hole 21 , so that the protrusion 13 can abut against the top wall of the mounting hole 21 , providing a limiting effect for the connecting terminal 100 and the bracket 2 , and preventing the connecting terminal 100 from being separated from the bracket 2 .

[0067] In an optional embodiment, the main body 1 and the bracket 2 are integrally injection molded, and the main body 1 is concentric with the mounting hole 21, that is, the center of the main body 1 and the center of the mounting hole 21 are on the same vertical line. This allows the elastic member 3 to have a tighter elastic contact with the main body 1, improves the position and verticality of the main body 1, and reduces the difficulty of the assembly process. In addition, integral injection molding can also provide good sealing for the connection between the elastic member 3 and the main body 1, effectively reducing the risk of poor contact in the brake assembly 300.

[0068] In an optional embodiment, the main body 1 is made of a metal material with good electrical conductivity, and then a metal coating with better electrical conductivity is plated on the surface of the metal material by electroplating. The metal coating is divided into two parts. The metal coating at the second end 12 needs to add a metal coating material with stronger affinity with tin, such as aluminum, copper, silver, etc., to facilitate soldering with the second circuit board 8 and improve corrosion resistance. The coating material at the first end 11 needs to add a metal coating material with better electrical conductivity, such as aluminum, copper, silver, etc.

[0069] In an optional implementation, the pressure sensor 200 includes three connecting terminals 100 .

[0070] like Figure 6 As shown, the pressure sensor 200 includes three connection terminals 100. More specifically, the first circuit board 4 includes a positive terminal, a negative terminal and a signal output terminal, and the three connection terminals 100 are respectively connected to the positive terminal, the negative terminal and the signal output terminal.

[0071] In an optional embodiment, it further includes a first circuit board 4, which is arranged on a side of the bracket 2 away from the second end 11, and a portion of the elastic member 3 away from the first end 11 is located outside the bracket 2, and the elastic member 3 abuts against the first circuit board 4.

[0072] like Figure 7 As shown, the pressure sensor 200 also includes a first circuit board 4, which is arranged on a side of the bracket 2 away from the second end 12; one end of the elastic member 3 extends into the mounting hole 21 and is connected to the first end 11, and the elastic member 3 is located outside the bracket 2 and is connected to the first circuit board 4, so that the main body 1 forms an elastic connection with the first circuit board 4 through the elastic member 3, thereby protecting the first circuit board 4 from damage caused by excessive pressure when installing the bracket 2 and the main body 1.

[0073] Furthermore, the elastic member 3 is always in a compressed state inside the pressure sensor 200, and the main body 1 is located inside the bracket 2 and is in more stable contact with the elastic member 3. This avoids the insufficient compression of the elastic member 3 caused by the deformation of the first circuit board 4 or other components due to thermal expansion and contraction, and further improves the connection reliability between the elastic member 3 and the first circuit board 4, and the connection reliability between the elastic member 3 and the main body 1.

[0074] like Figure 7 As shown, in an optional embodiment, the pressure sensor 200 also includes a shell 7, a notch is opened at one end of the shell 7, the first circuit board 4 is arranged inside the shell 7, and the end of the bracket 2 away from the main body 1 is embedded in the shell 7 at the notch, so that the elastic member 3 can abut against the first circuit board 4, and the shell 7 can provide a sealing effect for the abutment between the first circuit board 4 and the elastic member 3.

[0075] The housing 7 has a pressure interface 5 at one end opposite to the notch, and a sensitive element 6 is provided inside the housing 7 and near the pressure interface 5, and the sensitive element 6 is electrically connected to the first circuit board 4. The pressure interface 5 is used to connect to the brake assembly 300, and the sensitive element 6 is close to the pressure interface 5, and the sensitive element 6 is used to detect the pressure change of the brake assembly 300.

[0076] like Figure 8 and Fig. 9As shown, according to the third aspect of an embodiment of the present application, a brake assembly 200 is provided, including a pressure sensor 200 and a second circuit board 8; the second circuit board 8 is provided with a first through hole 81, and the second end 12 passes through the first through hole 81 and is welded to the second circuit board 8.

[0077] like Fig. 9 As shown, the brake assembly 300 includes a pressure sensor 200 and a second circuit board 8. The second circuit board 8 is provided with a first through hole 81, and the second end 12 of the main body 1 passes through the first through hole 81 and is welded to the second circuit board 8, that is, the main body 1 passes through the first through hole 81 of the second circuit board 8 and is connected to the pad of the second circuit board 8 by soldering, so as to solve the problem of poor contact between the pressure sensor 200 and the second circuit board 8 in the brake assembly 300, thereby improving the connection reliability between the pressure sensor 200 and the second circuit board 8.

[0078] The second end 12 of the main body 1 is in a pointed shape so as to pass through the through hole of the second circuit board 8 .

[0079] Further, three first through holes 81 are provided on the second circuit board 8 , and the three first through holes 81 are respectively a positive hole, a negative hole and a signal transmission hole. The three connection terminals 100 pass through the corresponding first through holes 81 and are welded to the second circuit board 8 .

[0080] For example, the elastic member 3 of one of the connecting terminals 100 abuts against the positive terminal on the first circuit board 4, and the second end 11 of the connecting terminal 100 is then welded to the positive hole of the second circuit board 8; the elastic member 3 of one of the connecting terminals abuts against the negative terminal on the first circuit board 4, and the second end 11 of the connecting terminal is then welded to the negative hole of the second circuit board 8; the elastic member 3 of one of the connecting terminals 100 abuts against the signal transmission terminal on the first circuit board 4, and the second end 11 of the connecting terminal 100 is then welded to the signal transmission hole of the second circuit board 8.

[0081] In a specific embodiment, Figure 8 As shown, the brake assembly 300 also includes a mounting base 10, which has a second through hole 101. The housing 7 and the bracket 2 of the pressure sensor 200 are disposed in the second through hole 101, and the second end 12 of the connecting terminal passes through the second through hole 101 to connect with the second circuit board 8.

[0082] The brake assembly 300 also includes a hydraulic control unit 9. The pressure interface 5 of the pressure sensor 200 is connected to the hydraulic control unit 9. The sensitive element 6 detects the pressure change of the hydraulic control unit 9 at the pressure interface 5 and transmits the detected signal to the first circuit board 4 for amplification. The first circuit board 4 transmits the amplified signal to the second circuit board 8 through the elastic member 3 and the connecting terminal 100.

[0083] According to a fourth aspect of the embodiments of the present application, a vehicle is provided, comprising the above-mentioned pressure sensor 200; or the above-mentioned brake assembly 300.

[0084] Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are only for illustration, not for limiting the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A connecting terminal, characterized in that: include: A main body, the main body comprising a first end and a second end, a bending portion being provided between the first end and the second end; An elastic member is connected to the first end.

2. The connecting terminal according to claim 1, characterized in that: The rigidity of the bending portion is greater than the rigidity of the elastic member.

3. The connecting terminal according to claim 1, characterized in that: The second end is in a pointed shape.

4. The connecting terminal according to claim 1, characterized in that: The first end is pointed.

5. The connecting terminal according to claim 1, characterized in that: A protrusion is disposed on the main body near the first end, the diameter of the protrusion is larger than the diameter of the elastic member, and the protrusion abuts against the elastic member.

6. A pressure sensor, characterized in that: It comprises a bracket and a connecting terminal as claimed in any one of claims 1 to 5, wherein the first end of the main body is located inside the bracket, the second end of the main body is located outside the bracket, and the elastic member is partially located inside the bracket.

7. The pressure sensor according to claim 6, characterized in that: The bending portion of the main body is arranged outside the bracket.

8. The pressure sensor according to claim 6, characterized in that: The bracket is provided with a mounting hole extending along the axial direction of the bracket, the elastic member is arranged in the mounting hole and connected to the first end, and the first end is located in the mounting hole.

9. The pressure sensor according to claim 6, characterized in that: The main body and the bracket are integrally injection molded.

10. The pressure sensor according to claim 6, characterized in that: The pressure sensor includes three connecting terminals.

11. The pressure sensor according to claim 6, characterized in that: It also includes a first circuit board, which is arranged on a side of the bracket away from the second end. The part of the elastic member away from the first end is located outside the bracket, and the elastic member abuts against the first circuit board.

12. A brake assembly, characterized in that: A pressure sensor comprising any one of claims 6 to 11.

13. The brake assembly according to claim 12, characterized in that: It also includes a second circuit board, which is provided with a first through hole, and the second end of the main body passes through the first through hole and is welded to the second circuit board.

14. A vehicle, characterized in that: A pressure sensor comprising any one of claims 6 to 11; Or including the brake assembly described in claim 12 or 13.

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