terminal block

Abstract

The utility model discloses a terminal platform, include: an insulating casing, the top of the rear part of insulating casing extends to the rear and then extends to form a elastic arm downward, the elastic arm with the rear part form a hollow part, the bottom of insulating casing's front end extends to form a buckle downward, an activity piece, set up in the rear of insulating casing, a compression joint terminal, set up in the insulating casing, and a base, set up in the lower surface of insulating casing, the base is equipped with a first positioning hole with a second positioning hole, the elastic arm is fixed in the first positioning hole, the buckle is fixed in the second positioning hole, the rear surface of first positioning hole extends to form a inclined part forward, wherein, the bottom of elastic arm moves downward and forward along the inclined part, and the elastic arm moves to the hollow part, and the bottom of elastic arm is fixed below the inclined part. Therefore the utility model discloses terminal platform simple structure and labor -saving installation.

Description

Technical Field

[0001] This utility model relates to a terminal block, and more particularly to a terminal block with a simple structure and labor-saving installation. Background Technology

[0002] A terminal block is an electrical connector used to electrically connect wires. After the wires of each circuit element are inserted into the terminal block, the metal clips inside the terminal block are pressed and contracted to hold the wires in place, thereby achieving electrical connection between the circuit elements.

[0003] Patent Publication No. 113270735 discloses "a quick electrical connector", which includes a housing with an inlet hole at one end and an outlet hole at the top of the other end; a spring piece disposed inside the housing, with an outlet clamp corresponding to the outlet hole at one end and an angled contact piece corresponding to the inlet hole at the other end, the angled contact piece and the top surface of the housing together holding the wire inserted from the outlet hole; a connecting piece at the lower part of the spring piece, one end of the connecting piece being connected to the angled contact piece via an arc connecting part, and the other end being connected to the outlet clamp; and a button component mounted on the outside of the housing, the button component including a lower pressing part located near the outlet hole and side connecting plates located on both sides of the housing and connected to the lower pressing part, the side connecting plates being connected to the angled contact piece and one end of the side connecting plates being rotatably connected to the housing.

[0004] However, the positioning insert and wedge-shaped fastener of the aforementioned quick-connect electrical connector housing enable quick installation of the quick-connect electrical connector onto a controller. However, during installation, the positioning insert, the wedge-shaped fastener, and the controller require a hard interference fit and forceful installation, which can easily damage the appearance of the quick-connect electrical connector or the controller.

[0005] Therefore, it is necessary to provide a terminal block that is simple in structure and easy to install. Utility Model Content

[0006] The purpose of this invention is to provide a terminal block that addresses the defects and shortcomings of existing technologies.

[0007] To achieve the above objectives, this utility model discloses a terminal block, comprising: an insulating housing, wherein the top end of the rear portion of the insulating housing extends rearward and then downward to form an elastic arm, a hollow portion is formed between the elastic arm and the rear portion, and the front end of the bottom of the insulating housing extends downward to form a snap fastener; a movable member is disposed behind the insulating housing; a crimp terminal is disposed inside the insulating housing; and a base is disposed on the lower surface of the insulating housing, the base having a first positioning hole and a second positioning hole, the elastic arm being fixed to the first positioning hole, the snap fastener being fixed to the second positioning hole, and the rear surface of the first positioning hole extending forward to form an inclined portion; wherein the bottom end of the elastic arm moves downward and forward along the inclined portion, while simultaneously moving towards the hollow portion, and the bottom end of the elastic arm is fixed below the inclined portion.

[0008] As a further improvement, the elastic arm is provided with a connecting part, an arm part and a hook. The top end of the rear part of the insulating housing extends rearward to form the connecting part. The movable member is disposed at the rear end of the connecting part. The bottom end of the connecting part extends downward to form the arm part. The bottom end of the arm part extends rearward to form the hook. The hook is fixed below the inclined part. The hollow part is formed between the connecting part, the arm part and the rear part.

[0009] As a further improvement, the surface of the substrate is recessed downward to form a positioning groove, which is disposed between the first positioning hole and the second positioning hole. The bottom of the insulating shell extends downward to form a positioning part, which is fixed to the positioning groove and disposed between the elastic arm and the buckle.

[0010] As a further improvement, a terminal block is provided, comprising: an insulating housing, wherein the top end of the rear portion of the insulating housing extends rearward and then downward to form an elastic arm, and the front end of the bottom of the insulating housing extends downward to form a latch, the latch having a fixing part, a protrusion and an inserting part, the front end of the bottom of the insulating housing extending downward to form the fixing part, the bottom end of the fixing part extending forward to form the protrusion, and the fixing part extending rearward to form the inserting part; a movable member disposed behind the insulating housing; a crimp terminal disposed inside the insulating housing; and a base disposed on the lower surface of the insulating housing, the base having a first positioning hole and a second positioning hole, the elastic arm being fixed to the first positioning hole, the latch being fixed to the second positioning hole, and the rear surface of the second positioning hole extending forward to form an arcuate portion; wherein the inserting part is rotatably assembled into the second positioning hole along the arcuate portion, while the fixing part and the protrusion are fixed to the second positioning hole.

[0011] As a further improvement, the front end of the protrusion extends upward to form a protrusion, and the top end of the front surface of the second positioning hole extends backward to form a stop portion, with the protrusion abutting against the lower surface of the stop portion.

[0012] As a further improvement, the surface of the substrate is recessed downward to form a positioning groove, which is disposed between the first positioning hole and the second positioning hole. The bottom of the insulating shell extends downward to form a positioning part, which is fixed to the positioning groove and disposed between the elastic arm and the buckle.

[0013] As a further improvement, the width of the embedded part is smaller than the width of the fixing part, and the width of the fixing part is equal to the width of the protrusion.

[0014] As a further improvement, the elastic arm is provided with a connecting part, an arm part and a hook. The top end of the rear part of the insulating housing extends rearward to form a connecting part. The movable member is disposed at the rear end of the connecting part. The bottom end of the connecting part extends downward to form the arm part. The bottom end of the arm part extends rearward to form the hook. The hook is fixed to the first positioning hole.

[0015] As a further improvement, a terminal block is provided, comprising: an insulating housing having an elastic arm, a cutout portion, and a latch; the elastic arm extending rearward and downward from the top end of the rear portion of the insulating housing, the cutout portion being formed between the elastic arm and the rear portion; the latch extending downward from the front end of the bottom of the insulating housing; a movable member rotatably connected to the insulating housing and disposed behind the elastic arm; a crimp terminal disposed within the insulating housing; and wherein a positioning portion is provided at the bottom of the insulating housing, the positioning portion being located between the elastic arm and the latch; the bottom end of the elastic arm extending downward and beyond the bottom end of the positioning portion, and the bottom end of the latch extending downward and beyond the bottom end of the positioning portion.

[0016] As described above, this utility model terminal block, through its innovative structural design, allows the hook of the elastic arm of the insulating housing to move downwards and forwards along the inclined portion, while simultaneously, the arm portion of the elastic arm of the insulating housing moves towards the hollowed-out portion. Finally, the hook of the elastic arm of the insulating housing is fixed to the stepped portion below the inclined portion to achieve positioning and fixation of the insulating housing and the base. Simultaneously, the arm portion of the elastic arm of the insulating housing returns to its original position. The embedded portion of the buckle of the insulating housing is rotated and assembled into the second positioning hole along the arc-shaped portion, while the protrusion of the buckle of the insulating housing abuts against the lower surface of the stop portion to achieve positioning and fixation of the insulating housing and the base. The positioning portion is fixed to the positioning groove. Therefore, this utility model terminal block has a simple structure and is easy to install. Attached Figure Description

[0017] Figure 1 This is a perspective view of the terminal block of this utility model.

[0018] Figure 2 This is a schematic diagram of the terminal block of this utility model.

[0019] Figure 3 The terminal block of this utility model is along Figure 2 A cross-sectional view of line III-III.

[0020] Figure 4 This is a partially exploded view of the terminal block of this utility model.

[0021] Figure 5 This is a partially exploded view of the terminal block of this utility model.

[0022] Figure 6 This is a perspective view of the insulating housing of the terminal block of this utility model.

[0023] The labels in the attached figures are explained as follows.

[0024] Terminal block 100 insulating housing 1

[0025] Main body 10 Top 101

[0026] Bottom 102 Front 103

[0027] Rear 104, Side 105

[0028] Opening 106, hollow section 107

[0029] Chamfer 108, assembly hole 109

[0030] Elastic arm 11 connecting part 110

[0031] Arm 111 hook 112

[0032] Buckle 12 Fixing part 121

[0033] Protrusion 122 Protrusion 123

[0034] Embedded part 124 Positioning part 13

[0035] Positioning pin 14 and mating hole 15

[0036] First cable tray 160, second cable tray 161

[0037] 162 transverse diaphragms, 163 longitudinal diaphragms

[0038] Terminal slot 17 first channel 18

[0039] Second Channel 19 Active Components 2

[0040] Pressing part 21 Extension arm 22

[0041] Slot 23, Slot 24

[0042] Through-hole 25 crimp terminal 3

[0043] Base 31 Bending part 32

[0044] Extension 33 Clamping part 34

[0045] Side wing 35 Clamping part 36

[0046] Assembly section 37 base 4

[0047] First positioning hole 41, inclined part 411

[0048] Stepped section 412 Second positioning hole 42

[0049] Arc-shaped part 421 Stop part 422

[0050] Positioning groove 43, clearance groove 44 Detailed Implementation

[0051] To explain in detail the technical content, structural features, objectives and effects of the terminal block 100 of this utility model, the following embodiments are provided in conjunction with the accompanying drawings.

[0052] Please see Figures 1 to 5 The terminal block 100 of this utility model includes an insulating shell 1, a movable member 2, a crimp terminal 3, and a base 4. The movable member 2 is disposed at the rear end of the insulating shell 1. The crimp terminal 3 is disposed inside the insulating shell 1. The insulating shell 1 is disposed on the surface of the base 4. The bottom end of the insulating shell 1 is fixed inside the base 4.

[0053] Please see Figures 3 to 6The insulating housing 1 comprises a main body 10, a top 101, a bottom 102, a front portion 103, a rear portion 104, a side portion 105, an opening 106, an elastic arm 11, a buckle 12, a positioning portion 13, several positioning posts 14, several mating holes 15, a terminal slot 17, a first channel 18, and a second channel 19. The upper part of the main body 10 is defined as the top 101, and the lower part of the main body 10 is defined as the bottom 102, with the top 101 corresponding to the bottom 102. The front portion 103 and the rear portion 104 are respectively located at the front and rear ends of the top 101, and respectively at the front and rear ends of the bottom 102. One side of the main body 10 is defined as the side portion 105, and the other side of the main body 10 is defined as the opening 106. The side portion 105 connects the front portion 103 and the rear portion 104.

[0054] The top end of the rear portion 104 extends rearward and then downward to form the elastic arm 11. The elastic arm 11 is fixed to the corresponding mechanism of the base 4 to achieve positioning and holding of the insulating shell 1 and the base 4. A cutout 107 is formed between the elastic arm 11 and the rear portion 104. When the elastic arm 11 is assembled to the base 4, the cutout 107 provides the operating space for the elastic arm 11 to move forward.

[0055] The elastic arm 11 has a connecting portion 110, an arm portion 111, a hook 112, and two chamfers 108. The top end of the rear portion 104 extends rearward to form the connecting portion 110. The movable member 2 is disposed at the rear end of the connecting portion 110. The bottom end of the connecting portion 110 extends downward to form the arm portion 111. The bottom end of the arm portion 111 extends rearward to form the hook 112. The hook 112 is fixed to the corresponding mechanism of the base 4 to achieve positioning and holding of the insulating shell 1 and the base 4. The hook 112 has two chamfers 108 on its left and right sides. The two chamfers 108 are used to guide the hook 112 to be positioned in the corresponding mechanism of the base 4.

[0056] The hollowed-out portion 107 is formed between the connecting portion 110, the arm portion 111, and the rear portion 104. The arm portion 111 has elasticity. The bottom end of the arm portion 111 extends downward beyond the bottom end of the positioning portion 13. When the elastic arm 11 is assembled to the base 4, the hollowed-out portion 107 provides the operating space for the arm portion 111 to move forward.

[0057] The front end of the bottom 102 extends downward to form the buckle 12. The buckle 12 is fixed to the corresponding mechanism of the base 4 to achieve positioning and holding of the insulating shell 1 and the base 4. The buckle 12 is provided with a fixing part 121, a protrusion 122, a protrusion 123, an insert part 124, and two chamfers 108. The front end of the bottom 102 extends downward to form the fixing part 121. The bottom end of the fixing part 121 extends forward to form the protrusion 122. The front end of the protrusion 122 extends upward to form the protrusion 123. The protrusion 123 is used to reduce the assembly gap between the front end of the insulating shell 1 and the base 4. The rear surface of the fixing part 121 extends rearward to form the insert part 124. In this embodiment, the insert part 124 is fan-shaped, and the insulating shell 1 is rotated and assembled to the corresponding mechanism of the base 4 through the insert part 124 to achieve positioning and holding of the insulating shell 1 and the base 4.

[0058] In this embodiment, the bottom end of the fixing part 121 extends downward beyond the bottom end of the positioning part 13. The insulating shell 1 is rotatably assembled to the corresponding mechanism of the base 4 via the embedding part 124. The insulating shell 1 is fixed to the corresponding mechanism of the base 4 via the fixing part 121 and the protrusion 122. Therefore, the structural strength of the fixing part 121 and the protrusion 122 must be greater than that of the embedding part 124. In this embodiment, the width of the fixing part 121 is equal to the width of the protrusion 122, and the width of the embedding part 124 is less than the width of the fixing part 121 to save costs. However, this is not the only practical application. Two chamfers 108 are provided on the left and right sides of the bottom end of the fixing part 121 and on the left and right sides of the protrusion 122. The two chamfers 108 are used to guide the protrusion 122 to be positioned in the corresponding mechanism of the base 4.

[0059] The rear end of the bottom 102 extends downward to form the positioning part 13. The positioning part 13 is fixed to the corresponding mechanism of the base 4 to achieve positioning and holding of the insulating shell 1 and the base 4. The positioning part 13 is disposed between the elastic arm 11 and the buckle 12. In this embodiment, the positioning part 13 is close to the elastic arm 11, but it is not limited to this in specific implementations. The positioning part 13 has two chamfers 108 on its left and right sides. The two chamfers 108 are used to guide the positioning part 13 to be positioned in the corresponding mechanism of the base 4.

[0060] One side of the positioning part 13 protrudes towards the opening 106 to form a positioning post 14. One side of the main body 10 protrudes towards the opening 106 to form several positioning posts 14. The other side of the positioning part 13 is recessed towards the side portion 105 to form a mating hole 15. The other side of the main body 10 is recessed towards the side portion 105 to form several mating holes 15. Several positioning posts 14 can be fixed to several mating holes 15 of another terminal block 100 of this utility model, forming multiple terminal blocks 100 of this utility model arranged side-by-side.

[0061] The top 101, bottom 102, front 103, rear 104, and side 105 together form a first wire groove 160, a terminal groove 17, and a second wire groove 161. The body 10 defines the first wire groove 160, the terminal groove 17, and the second wire groove 161. The body 10 contains a transverse partition 162 and a longitudinal partition 163, with the transverse partition 162 connecting to the longitudinal partition 163, forming an L-shape. The transverse partition 162 is located between the first wire groove 160 and the terminal groove 17, and the longitudinal partition 163 is located between the first wire groove 160 and the second wire groove 161. Thus, the first wire groove 160 is formed between the top 101, the front 103, the transverse partition 162, and the longitudinal partition 163. The front portion 103 is provided with a first channel 18 penetrating the front and rear surfaces of the front portion 103. The first channel 18 connects to the first wire groove 160. A terminal groove 17 is formed between the bottom portion 102, the front portion 103, and the transverse partition 162. The first wire groove 160 connects to the front end of the terminal groove 17. A second wire groove 161 is formed between the bottom portion 102, the rear portion 104, the top portion 101, and the longitudinal partition 163. A second channel 19 penetrating the upper and lower surfaces of the top portion 101 is provided at the rear end of the top portion 101. The second channel 19 connects to the second wire groove 161. The second wire groove 161 connects to the rear end of the terminal groove 17. Wires can be inserted into both the first channel 18 and the second channel 19.

[0062] The side portion 105 is provided with several assembly holes 109 penetrating the left and right sides of the side portion 105. The corresponding mechanism of the crimp terminal 3 is fixed in the several assembly holes 109 to realize the positioning and holding of the insulating shell 1 and the crimp terminal 3.

[0063] Please see Figure 5The movable component 2 is provided with a pressing part 21, an extension arm 22, a slot 23, a groove 24, and a through hole 25. The front end of the pressing part 21 extends forward to form the extension arm 22. The extension arm 22 is disposed on the outer side of the opening 106 of the insulating housing 1. The rear end of the extension arm 22 is recessed downward to form the slot 23. The slot 23 is secured to a positioning post 14 of the insulating housing 1. A groove 24 is provided in the middle of the extension arm 22, penetrating both the left and right sides of the extension arm 22. The corresponding mechanism of the crimp terminal 3 is disposed within the groove 24. A through hole 25 is provided at the front end of the extension arm 22, penetrating both the left and right sides of the extension arm 22. A positioning post 14 of the insulating housing 1 passes through the through hole 25 to achieve positioning and fixation between the insulating housing 1 and the movable component 2.

[0064] Please see Figure 5 The crimp terminal 3 is installed inside the insulating housing 1. The crimp terminal 3 has a base 31, a bent portion 32, an extension portion 33, a clamping portion 34, a side wing portion 35, a clamping portion 36, and several assembly portions 37. The front end of the base 31 bends upward to form the bent portion 32. The top of the bent portion 32 extends rearward to form the extension portion 33. The rear end of the extension portion 33 extends upward obliquely to form the clamping portion 34. One side of the clamping portion 34 protrudes towards the opening 106 to form the side wing portion 35. The side wing portion 35 is disposed within the slot 24 of the movable member 2.

[0065] The rear end of the base 31 extends upward to form the clamping portion 36. The clamping portion 36 corresponds to the second channel 19 of the insulating housing 1. One side of the base 31 extends toward the side portion 105 of the insulating housing 1 to form a plurality of assembly portions 37. The plurality of assembly portions 37 are fixed to a plurality of assembly holes 109 of the insulating housing 1 to achieve positioning and holding of the crimp terminal 3 to the insulating housing 1. The base 31 is mounted on the terminal slot 17, the extension portion 33 and the clamping portion 34 are mounted on the first wire slot 160, and the clamping portion 36 is mounted on the second wire slot 161.

[0066] Please see Figure 3 and Figure 4The base 4 is provided with a first positioning hole 41, a second positioning hole 42, a positioning groove 43, and a clearance groove 44. The base 4 has the first positioning hole 41 and the second positioning hole 42 penetrating through the surface of the base 4. The elastic arm 11 of the insulating shell 1 is fixed to the first positioning hole 41 to achieve positioning and fixation of the insulating shell 1 and the base 4. The buckle 12 of the insulating shell 1 is fixed to the second positioning hole 42 to achieve positioning and fixation of the insulating shell 1 and the base 4. The surface of the base 4 is recessed downward to form the positioning groove 43 and the clearance groove 44. The positioning groove 43 is disposed between the first positioning hole 41 and the second positioning hole 42, and the clearance groove 44 is disposed behind the first positioning hole 41. The positioning part 13 of the insulating shell 1 is fixed to the positioning groove 43 to achieve positioning and fixation of the insulating shell 1 and the base 4. When the movable part 2 is pressed down, the bottom of the rear end of the pressing part 21 can be received in the relief groove 44, thereby providing the pressing part 21 with the operating space to move downward.

[0067] The top end of the rear surface of the first positioning hole 41 extends forward to form an inclined portion 411, and a stepped portion 412 is provided below the inclined portion 411. When the elastic arm 11 of the insulating housing 1 is fixed in the first positioning hole 41, the hook 112 of the elastic arm 11 of the insulating housing 1 moves downward and forward along the inclined portion 411 and deforms. At the same time, the arm portion 111 of the elastic arm 11 of the insulating housing 1 moves towards the hollowed-out portion 107. Finally, the hook 112 of the elastic arm 11 of the insulating housing 1 is fixed to the stepped portion 412 below the inclined portion 411 to achieve positioning and fixation of the insulating housing 1 and the base 4. At the same time, the arm portion 111 of the elastic arm 11 of the insulating housing 1 returns to its original position.

[0068] The second positioning hole 42 is provided with an arc-shaped portion 421 and a stop portion 422. The bottom end of the rear surface of the second positioning hole 42 extends forward to form the arc-shaped portion 421. The top end of the front surface of the second positioning hole 42 extends backward to form the stop portion 422. When the buckle 12 of the insulating housing 1 is fixed in the second positioning hole 42, the insert portion 124 of the buckle 12 of the insulating housing 1 rotates and assembles into the second positioning hole 42 along the arc-shaped portion 421. At the same time, the protrusion 123 of the buckle 12 of the insulating housing 1 abuts against the lower surface of the stop portion 422 to achieve positioning and fixation of the insulating housing 1 and the base 4.

[0069] As described above, the terminal block 100 of this utility model, through an innovative structural design, allows the hook 112 of the elastic arm 11 of the insulating housing 1 to move downward and forward along the inclined portion 411, while simultaneously, the arm portion 111 of the elastic arm 11 of the insulating housing 1 moves towards the hollowed-out portion 107. Finally, the hook 112 of the elastic arm 11 of the insulating housing 1 is fixed to the stepped portion 412 below the inclined portion 411 to achieve positioning and fixation of the insulating housing 1 and the base 4. Simultaneously, the arm portion 111 of the elastic arm 11 of the insulating housing 1 returns to its original position. The insert portion 124 of the buckle 12 of the insulating housing 1 is rotatably assembled into the second positioning hole 42 along the arc-shaped portion 421, while the protrusion 123 of the buckle 12 of the insulating housing 1 abuts against the lower surface of the stop portion 422 to achieve positioning and fixation of the insulating housing 1 and the base 4. The positioning portion 13 is fixed to the positioning groove 43. Therefore, the terminal block 100 of this utility model has a simple structure and is easy to install.

Claims

1. A terminal block, characterized in that, include: An insulating housing has an elastic arm extending rearward and downward from its rearmost tip, forming a hollow portion between the elastic arm and the rear portion. A snap-fit ​​is formed at the front end of the bottom of the insulating housing. A movable component is disposed behind the insulating housing. A crimp terminal is disposed within the insulating housing. A base is disposed on the lower surface of the insulating housing. The base has a first positioning hole and a second positioning hole. The elastic arm is fixed to the first positioning hole, and the snap-fit ​​is fixed to the second positioning hole. The rear surface of the first positioning hole extends forward to form an inclined portion. The bottom end of the elastic arm moves downward and forward along the inclined portion while simultaneously moving towards the hollow portion. The bottom end of the elastic arm is fixed below the inclined portion.

2. The terminal block as described in claim 1, characterized in that: The elastic arm is provided with a connecting part, an arm part and a hook. The top end of the rear part of the insulating housing extends rearward to form the connecting part. The movable member is disposed at the rear end of the connecting part. The bottom end of the connecting part extends downward to form the arm part. The bottom end of the arm part extends rearward to form the hook. The hook is fixed below the inclined part. The hollow part is formed between the connecting part, the arm part and the rear part.

3. The terminal block as described in claim 2, characterized in that: The surface of the substrate is recessed downward to form a positioning groove, which is located between the first positioning hole and the second positioning hole. The bottom of the insulating shell extends downward to form a positioning part, which is fixed to the positioning groove and located between the elastic arm and the buckle.

4. A terminal block, characterized in that, include: An insulating housing has an elastic arm extending rearward and downward from its rearmost tip, and a buckle extending downward from its bottom front end. The buckle has a fixing part, a protrusion, and an inserting part. The fixing part extends downward from the bottom front end of the insulating housing, the protrusion extends forward from the bottom end of the fixing part, and the inserting part extends rearward from the fixing part. A movable member is disposed behind the insulating housing. A crimp terminal is disposed inside the insulating housing. A base is disposed on the lower surface of the insulating housing. The base has a first positioning hole and a second positioning hole. The elastic arm is fixed to the first positioning hole, and the buckle is fixed to the second positioning hole. The rear surface of the second positioning hole extends forward to form an arc-shaped part. The inserting part is rotatably assembled into the second positioning hole along the arc-shaped part, while the fixing part and the protrusion are fixed to the second positioning hole.

5. The terminal block as described in claim 4, characterized in that: The front end of the protrusion extends upward to form a protrusion, and the top end of the front surface of the second positioning hole extends backward to form a stop portion, with the protrusion abutting against the lower surface of the stop portion.

6. The terminal block as described in claim 4, characterized in that: The surface of the substrate is recessed downward to form a positioning groove, which is located between the first positioning hole and the second positioning hole. The bottom of the insulating shell extends downward to form a positioning part, which is fixed to the positioning groove and located between the elastic arm and the buckle.

7. The terminal block as described in claim 4, characterized in that: The width of the embedded part is less than the width of the fixing part, and the width of the fixing part is equal to the width of the protrusion.

8. The terminal block as described in claim 4, characterized in that: The elastic arm is provided with a connecting part, an arm part and a hook. The top end of the rear part of the insulating shell extends rearward to form a connecting part. The movable member is disposed at the rear end of the connecting part. The bottom end of the connecting part extends downward to form the arm part. The bottom end of the arm part extends rearward to form the hook. The hook is fixed to the first positioning hole.

9. A terminal block, characterized in that, include: An insulating housing includes an elastic arm, a recessed portion, and a latch. The elastic arm extends rearward and downward from the top of the rear portion of the insulating housing, forming the recessed portion between the elastic arm and the rear portion. The latch extends downward from the front of the bottom of the insulating housing. A movable member is rotatably connected to the insulating housing and positioned behind the elastic arm. A crimp terminal is disposed within the insulating housing. The bottom of the insulating housing includes a positioning portion located between the elastic arm and the latch. The bottom end of the elastic arm extends downward and beyond the bottom end of the positioning portion, and the bottom end of the latch extends downward and beyond the bottom end of the positioning portion.

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