Terminal anti-retreating connector

Abstract

The utility model discloses a terminal anti-retreat connector, the terminal anti-retreat connector is provided with a shell (1) and a line pressing terminal (2), and a line end limiting device used for preventing the terminal from retreating and a stop device (3) used for preventing the terminal from retreating after failure are respectively arranged between the shell (1) and the line pressing terminal (2). The stopping device (3) comprises a first stopping piece and a second stopping piece which are matched with each other for stopping, the first stopping piece is arranged on each wire pressing terminal (2), a cavity is formed in the side wall of the shell (1), and the second stopping piece is embedded in the cavity of the shell (1).

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, especially a terminal anti-retreating connector. BACKGROUND

[0002] In electrical engineering, whether the cable connection in the connector is firm directly influences the connection effect between the connection lines.At present, the line segment connector on the market mainly consists of a shell and a crimping terminal. Figure 1 The line terminal connector is composed of a shell and a crimping terminal and has the functions of transmitting current and signal. Figure 2 Figure 3 The terminal connector is loaded into the shell wire hole from the bottom of the shell through the crimping terminal. Figure 4 Figure 5 When the cable is subjected to a force that can cause the hanging table of the shell wire hole to be hung off by the barb of the crimping terminal, the crimping terminal is pulled out, resulting in the failure of the terminal connector.

[0003] However, the current technical solution can still be improved, and its main disadvantage is that the barbs on both sides of the crimping terminal cooperate with the shell hanging table surface, and after the barbs scratch off the shell hanging table wall or break or fail, the terminal is withdrawn from the shell, resulting in the risk of failure. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of providing a terminal anti-retreating connector.

[0005] The technical problems solved by the present application are: the cooperation of the line end limiting device and the barb, the cooperation of the stop key and the crimping terminal to form secondary protection, preventing the crimping terminal from being withdrawn from the shell, thereby achieving the function of double anti-retreating.

[0006] ​The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of terminal anti-retreating connector is structured, the terminal anti-retreating connector is provided with shell and wire terminal, wire end limiting device for preventing terminal exit and stop device for preventing invalid exit are respectively arranged between the shell and wire terminal, the stop device includes the first stop piece and the second stop piece that mutually cooperate and stop, the first stop piece is arranged on each wire terminal, cavity is opened in the side wall of the shell, the second stop piece is embedded in the cavity of the shell.

[0007] The positional relationship between the wire end limiting device and the stop device satisfies that the wire end limiting device and the stop device simultaneously act to prevent the terminal from exiting, or the wire end limiting device prevents the terminal from exiting when the stop device is invalid.

[0008] The wire end limiting device includes the first limiting piece and the second limiting piece that mutually cooperate and stop, the shell is provided with a wiring hole above, the first limiting piece is arranged in the wiring hole, the second limiting piece is arranged on the wire terminal, and the first limiting piece and the second limiting piece are clamped in the exit direction of the terminal to prevent the terminal from exiting.

[0009] The first limiting piece is a clamping groove or a hanging table, and / or the second limiting piece is a clamping head or a barb, and the first limiting piece and the second limiting piece are inserted or pierced into connection.

[0010] The second stop piece is provided with a protrusion corresponding to each wire terminal, the first stop piece is a wire terminal stop piece arranged on the wire terminal, and the protrusion clamps the wire terminal stop piece in the exit direction of the terminal.

[0011] When the wire terminal is assembled in the shell, a retreat gap is left between the wire terminal stop piece and the protrusion surface, or when the wire terminal is assembled in the shell, the wire terminal stop piece abuts against the protrusion surface.

[0012] Both sides of the second stop piece have a convex rib, the first stop piece is a convex groove on both sides of the inner cavity of the shell, and the convex rib is inserted into the convex groove.

[0013] The stop device also has a convex foot, the shell also has a concave foot, the stop device is embedded in the cavity of the shell, and the convex foot is buckled with the concave foot.

[0014] When the convex foot is buckled with the concave foot, the stop device can be flush with the shell in the pressing direction.

[0015] The shell is a hard structure made of insulating material, the stop device is an elastic member made of insulating material with deformation ability, and the stop device is interference-fitted with the shell.

[0016] The line end limiting device cooperates with the barb and the position stopping device to form secondary protection for the line terminal, prevents the line terminal from exiting the shell, and thus plays a double anti-withdrawal function. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the present application, the present application will be further described below in conjunction with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0018] Figure 1 is a structural schematic diagram of a terminal connector in the prior art;

[0019] Figure 2 is a sectional structural schematic diagram of a terminal connector in the prior art;

[0020] Figure 3 is a sectional structural schematic diagram of a terminal connector in the prior art; Figure 2 is an enlarged view of part A in FIG. 2;

[0021] Figure 4 is a sectional structural schematic diagram of a terminal connector in the prior art;

[0022] Figure 5 is a sectional structural schematic diagram of a terminal connector in the prior art; Figure 4 is an enlarged view of part B in FIG. 3;

[0023] Figure 6 is a structural exploded schematic diagram of a terminal connector in some embodiments of the present application;

[0024] Figure 7 is a sectional structural schematic diagram of a terminal connector in some embodiments of the present application;

[0025] Figure 8 is an assembled sectional structural schematic diagram of a terminal connector in some embodiments of the present application;

[0026] Figure 9 is a sectional structural schematic diagram of a terminal connector in some embodiments of the present application; Figure 8 is an enlarged view of part C in FIG. 4;

[0027] Figure 10 is a cooperation schematic diagram of a line terminal 2, a shell 1 and a position stopping device 3 in some embodiments of the present application;

[0028] Figure 11is a three-dimensional structure schematic view of the terminal anti-retreating connector in some embodiments of the utility model;

[0029] Figure 12 is a three-dimensional structure schematic view of the terminal anti-retreating connector in some embodiments of the utility model;

[0030] Figure 13 is a three-dimensional structure schematic view of the terminal anti-retreating connector in some embodiments of the utility model; Figure 12 is a local enlarged view of D in the middle;

[0031] Figure 14 is a three-dimensional structure cross section schematic view of the terminal anti-retreating connector in some embodiments of the utility model; and

[0032] Figure 15 is a three-dimensional structure schematic view of the terminal anti-retreating connector in some embodiments of the utility model; Figure 14 is a local enlarged view of E in the middle. DETAILED DESCRIPTION

[0033] In order to have a more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation manners of the utility model will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or position relations indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or position relations shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the technical scheme, and should not be understood as indicating that the devices or elements indicated must have a particular direction, and therefore should not be understood as limiting the utility model.

[0034] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there can be one or more intermediate elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical scheme, and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, therefore, the features with "first", "second", "third" and the like can explicitly or implicitly include one or more of the features. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In the following description, for the purposes of explanation and not limitation, specific details are set forth, such as particular sequences of acts, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known methods, devices, and circuits are omitted so as not to obscure the description of the present application with unnecessary detail.

[0036] Referring to Figures 6-15 , Figure 6 The utility model discloses an embodiment of terminal anti -retreating connector shows the structure explosion schematic drawing of terminal connector, the utility model discloses a kind of terminal anti -retreating connector. The terminal anti -retreating connector is provided with shell 1 and press line terminal 2, line end limiting device for preventing terminal exit is respectively arranged between the shell 1 and press line terminal 2, stop device 3 for preventing invalid exit, the stop device 3 includes first stop piece and second stop piece that mutually cooperate stop, the first stop piece is arranged on each press line terminal 2, the cavity is set in the side wall of the shell 1, the second stop piece is embedded in the cavity of the shell 1.Line end limiting device cooperates with first stop piece, second stop piece to form secondary protection to press line terminal, prevent press line terminal exit shell, to play the function of double anti -retreating. Line end limiting device is important component between shell and press line terminal, its function is to prevent terminal from exiting in use process due to external force. Line end limiting device limits the movement range of wire by physical structure, when wire is inserted and fixed on press line terminal, limiting device will be fixed in specific position, prevent it from exiting due to vibration or other external force.

[0037] Referring to Figure 6 , Figure 8 , Figure 9The utility model discloses an embodiment of terminal anti -retreating connector. The two sides of the stop device 3 have at least a group of convex ribs 32, and the side of the inner cavity of the shell 1 has at least one convex groove 12, when the stop device 3 is inlaidly clamped in the shell 1, the at least a group of convex ribs 32 clamps the at least one convex groove 12, so that the stop device 3 can be stably and firmly placed in the shell 1 after being inlaidly clamped in the shell 1. The cooperation of the at least a group of convex ribs 32 and the at least one convex groove 12 makes the stop device 3 be stably placed in the cavity after being inlaid into the cavity of the shell 1. This increases the stability of the cooperation between the stop device 3 and the shell 1, also increases the firmness of cable crimping terminal wiring, reduces the risk of displacement between the stop device 3 and the shell 1. The existence of convex rib 32 can increase the contact area of the stop device and the inner wall of the shell 1, and also increase the friction force. Through the cooperation of the at least a group of convex ribs and the at least one convex groove, the stop device 3 can be stably placed in the cavity after being inlaid into the cavity of the shell 1. This cooperation not only ensures the positioning accuracy of the stop device 3, but also improves the structural stability of the stop device in the shell, thereby enhancing the performance and durability of the overall equipment.

[0038] Please refer to Figure 6 And Figure 8 、 Figure 10 The utility model discloses an embodiment of terminal anti -retreating connector. The stop device 3 still has one or more convex feet 33, and the shell 1 still has one or more recessed feet 13, when the stop device 3 is inlaidly clamped in the shell 1, the convex foot 33 can be buckled with the recessed foot 13, so that the recessed foot 13 can limit the stop device 3. The convex foot 33 can be buckled with the recessed foot 13, which further enhances the stability of the cooperation between the stop device 3 and the shell 1, also increases the firmness of cable crimping terminal wiring, reduces the risk of displacement between the stop device 3 and the shell 1.

[0039] Continue to refer to Figure 10 、 Figure 11The utility model discloses an embodiment of terminal anti -retreating connector. When the convex foot 33 is buckled with the concave foot 13, the stop device 3 can be pressed to be flush with the shell 1 in the compression direction. The stop device 3 can be pressed to be flush with the shell 1 in the compression direction, and this can further regulate the cooperation between the stop device 3 and the shell 1. Because when the stop device 3 is pressed to be flush with the shell 1 in the compression direction, each corner of the stop device 3 can be better hidden in the cavity of the shell 1, further compressing the space when the stop device 3 and the shell 1 are assembled, and simultaneously making the stop device 3 more difficult to be hooked out or taken out accidentally. This further increases the stability of the cooperation between the stop device 3 and the shell 1, simultaneously increases the firmness of the wire terminal wiring, and reduces the risk of displacement between the stop device 3 and the shell 1.

[0040] With reference to Figure 6 The utility model discloses an embodiment of terminal anti -retreating connector. The shell 1 is the insulating material piece. When the shell 1 is insulating material, can prevent the user accidental electric shock, and can prevent the cable between the crimping wire terminal and produce the short circuit of undesirable, enhance electrical safety.

[0041] With reference to Figure 6 、 Figure 14 The utility model discloses an embodiment of terminal anti -retreating connector. The stop device 3 is the deformable insulating material piece. When the cable is inserted from the outside terminal anti -retreating connector, in the cable advancing process, the cable is contacted with the protrusion 31, because the protrusion 31 (the protrusion 31 belongs to the stop device 3) is deformable insulating material, the protrusion 31 can be deformed in the advancing direction in the cable advancing process, and because the deformation of the protrusion 31, the cable advancing in the advancing direction in the advancing process is more convenient and is not blocked. And the protrusion 31 adopts insulating material, can ensure that the cable does not accidentally conduct in the advancing process of the stop device 3, and further enhances the electrical stability and controllability. Another preferred embodiment, the stop device 3 is the plastic TPA piece.

[0042] With reference to Figure 7 、 Figure 13 The utility model discloses an embodiment of terminal anti -retreating connector. The barb 21 is the deformable insulating material piece. Because the barb 21 is deformable piece, in the cable advancing process, the barb 21 can be deformed in the cable advancing direction, so that the resistance of the barb 21 in the cable advancing direction in the cable advancing process is reduced.

[0043] With reference to Figures 6-15The utility model discloses an embodiment of terminal anti -retreating connector. The utility model discloses a kind of terminal anti -retreating connector, the terminal anti -retreating connector is provided with shell 1 and press line terminal 2 and be used for preventing terminal exit stop device 3, the shell 1 is provided with cavity, the stop device 3 is embedded in the cavity of the shell 1. The stop device 3 tightens press line terminal 2, prevents terminal from exiting from stop device 3. The upper portion of the shell 1 is provided with wiring hole 11, the wiring hole 11 is provided with wire end limiting device, the press line terminal 2 is provided with barb 21, the wire end limiting device is fixed in the press line terminal 2 in the exit direction of terminal. The wire end limiting device is barb card into device or hanging table 111. In some other embodiments, the barb card into device has recess, and the recess width is greater than the width of the barb.

[0044] In still another preferred embodiment, the utility model discloses an embodiment of terminal anti -retreating connector. The terminal anti -retreating connector is provided with shell 1 and press line terminal 2, the shell 1 and press line terminal 2 between respectively be equipped with wire end limiting device for preventing terminal exit, for preventing failure exit stop device 3, the stop device 3 includes first stop piece and second stop piece that cooperate with each other, the first stop piece is arranged on each press line terminal 2, the cavity is seted up in the side wall of the shell 1, the second stop piece is embedded in the cavity of the shell 1. Wire end limiting device cooperates with first stop piece, second stop piece to form secondary protection to press line terminal, prevent press line terminal from exiting shell, to play the function of double anti -retreating. Wire end limiting device is important component between shell and press line terminal, and its function is to prevent terminal from exiting in use process due to external force. Wire end limiting device limits the movement range of wire by physical structure, when wire is inserted and fixed on press line terminal, limiting device will be fixed in specific position, prevent it from exiting due to vibration or other external force.

[0045] In another preferred embodiment, the positional relationship between the wire end limiting device and the stop device 3 satisfies that the wire end limiting device and the stop device 3 simultaneously prevent the terminal from exiting, or the wire end limiting device prevents the terminal from exiting when the stop device 3 fails. The wire end limiting device first ensures the movement of the cable or terminal within a predetermined range through its limiting function. The stop device 3 further provides additional protection by its blocking function, preventing the terminal from detaching from the connector due to external forces or other factors. The combination of the wire end limiting device and the stop device 3 provides double protection for the cable or terminal, greatly improving the stability and reliability of the product. The two complement each other in position and together achieve effective fixation and protection of the cable or terminal. This double positional relationship and double protection mechanism makes the product more stable and reliable. Even in a bumpy or vibrating environment, the internal cable and terminal of the product can maintain a fixed position and will not move or exit the connector due to external forces. This greatly improves the service life and performance of the product.

[0046] In another preferred embodiment, the wire end limiting device includes a first limiting member and a second limiting member that cooperate with each other to stop. The upper part of the shell 1 is provided with a wire hole 11, the first limiting member is arranged in the wire hole 11, and the second limiting member is arranged on the wire pressing terminal. The first limiting member and the second limiting member are clamped in the direction of terminal exit to prevent the terminal from exiting.

[0047] In another preferred embodiment, the first limiting member is a clamping groove or a hanging platform, and / or the second limiting member is a clamping head or a barb. The first limiting member and the second limiting member are connected by insertion or piercing. A common form of the first limiting member is a clamping groove. The clamping groove is a groove structure used to fix and position other components, usually with a certain length, width and depth to accommodate components of different sizes. The design of the clamping groove ensures that the components are fixed in the correct position and prevent movement or shaking. Another form of the first limiting member is a hanging platform. The hanging platform is usually a platform or protruding structure used to support or hang other components. The design of the hanging platform provides a stable support point so that the components can be firmly fixed in the predetermined position. A common form of the second limiting member is a clamping head. The clamping head is a protruding structure that can be inserted into a clamping groove or other hole to fix the component in the correct position. The design of the clamping head makes the connection process simple and convenient, while also providing reliable fixing effect. Another form of the second limiting member is a barb. The barb is a protrusion with an inclined or curved structure that can fix the component by deforming or locking mechanism when it is inserted into the corresponding receiving hole or slot. The design of the barb can provide stronger fixing effect to prevent the component from loosening or falling off when subjected to external forces.

[0048] In another preferred embodiment, the second stopper is provided with a protrusion 31 corresponding to each crimping terminal, and the first stopper is a crimping terminal stopper 22 provided on the crimping terminal 2, which is clamped by the protrusion 31 in the withdrawal direction of the terminal. The protrusion 31 is provided on the stopper device 3, and the number of terminals corresponds to the number of protrusions 31, which clamps the crimping terminal stopper 22 in the withdrawal direction of the terminal by the protrusion 31. This design forms a double stop mechanism, ensuring the reliability and stability of the device in use.

[0049] In another preferred embodiment, when the crimping terminal is assembled in the shell, a retreat gap is left between the crimping terminal stopper 22 and the surface of the protrusion 31; or when the crimping terminal is assembled in the shell, the crimping terminal stopper 22 abuts against the surface of the protrusion 31. The design of such a retreat gap can avoid assembly difficulties caused by excessive friction, and also allows the crimping terminal to be adjusted or moved slightly in the shell. A reasonable retreat gap can ensure the smooth assembly and stable performance of the crimping terminal, and also prevent assembly problems or damage caused by excessive friction or too small a gap.

[0050] In another preferred embodiment, the two sides of the second stopper have a protruding rib 32, and the first stopper is a protruding groove 12 on the two sides of the inner cavity of the shell 1, and the protruding rib 32 is inserted into the protruding groove 12. The shape and size of the protruding groove 12 are matched with the protruding rib 32 for easy insertion. At the same time, this design also enhances the stability between the second stopper and the first stopper. The two sides of the second stopper have protruding ribs 32, which increase the surface area of the side in contact with the inner cavity of the shell 1, increase the mutual friction, and ensure that the second stopper is placed more stably in the inner cavity of the shell 1. Even under external force, this design can effectively prevent the movement or shaking of the second stopper, ensuring the normal functioning of its function.

[0051] In another preferred embodiment, the stopper device 3 also has a protruding foot 33, and the shell 1 also has a recessed foot 13, and the stopper device 3 is embedded in the cavity of the shell 1, and the protruding foot 33 is buckled with the recessed foot 13. Once the protruding foot 33 is fully inserted into the recessed foot 13, the positional relationship between them is basically determined. This buckling method not only provides physical support, but also ensures that the relative position of the components in space will not move. This stability is very important for many devices that require precise fitting.

[0052] In another preferred embodiment, when the convex foot 33 is buckled with the concave foot 13, the stop device 3 can be flush with the shell 1 in the pressing direction. When the convex foot 33 is buckled with the concave foot 13, the structures of the two are complementary, the convex part enters the concave interior, and a preliminary fixed relationship is formed. In this process, the shapes and structural characteristics of the two determine the smooth buckling. The flush matching plane enables the stop device 3 to be smoothly embedded in the cavity of the shell 1 and not easily taken out. In another preferred embodiment, the shell 1 is a hard structural member made of insulating material, and the stop device 3 is an elastic member with deformation ability made of insulating material; the stop device 3 and the shell 1 are in interference fit. The shell 1 is a hard structural member made of insulating material, which has good insulation performance and mechanical strength, and can effectively protect the internal electronic components and circuits. The hard structure can ensure the stability and durability of the shell, so that it can maintain good working condition in various environments. The stop device 3 is also made of insulating material, but unlike the shell, it has deformation ability and is an elastic member. This design enables the stop device to deform to a certain extent when subjected to external force, thereby playing a role in buffering and positioning. The selection of insulating material can ensure that the stop device does not cause current leakage or produce electric sparks and other safety problems during operation. Since the stop device 3 has deformation ability, it can be embedded in the cavity of the shell 1, and through its own elastic adjustment and positioning, the entire device is more stable. At the same time, the selection of insulating material also ensures the electrical safety performance of the device. This combination enables the stop device not only to be physically stably fixed in the shell, but also to ensure electrical safety. In electronic devices, electrical products or occasions requiring insulation and positioning, the shell and stop device made of insulating material have significant advantages. They not only provide good electrical insulation performance, but also achieve stable physical positioning through the combination of hard structure and elastic deformation ability. In addition, the selection of insulating material can effectively avoid sparks caused by contact or friction, thereby improving the safety and reliability of the product.

[0053] It can be understood that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application patent; it should be pointed out that for ordinary skilled persons in the art, the above technical features can be freely combined without departing from the concept of the present application, and a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A terminal anti-retraction connector, characterized in that: The terminal anti-retraction connector is provided with a housing (1) and a wire pressing terminal (2); a wire end limiting device for preventing the terminal from withdrawing and a stop device (3) for preventing failed withdrawal are respectively provided between the housing (1) and the wire pressing terminal (2); the stop device (3) comprises a first stop member and a second stop member that cooperate with each other to stop; the first stop member is provided on each wire pressing terminal (2); a cavity is provided on the side wall of the housing (1), and the second stop member is embedded in the cavity of the housing (1).

2. The terminal anti-retraction connector according to claim 1, characterized in that: The positional relationship between the wire end limiting device and the stop device (3) satisfies the following conditions: the wire end limiting device and the stop device (3) act simultaneously to prevent the terminal from exiting, or the wire end limiting device prevents the terminal from exiting when the stop device (3) fails.

3. A terminal anti-retraction connector according to claim 1 or 2, characterized in that: The wire end limiting device comprises a first limiting member and a second limiting member that cooperate with each other to stop each other; a wiring hole (11) is provided above the housing (1); the first limiting member is provided in the wiring hole (11); the second limiting member is provided on the wire pressing terminal; the first limiting member and the second limiting member are locked in the withdrawal direction of the terminal to prevent the terminal from withdrawing.

4. The terminal anti-retraction connector according to claim 3, characterized in that: The first limiting member is a slot or a hanging platform, and / or the second limiting member is a clamping head or a barb, and the first limiting member and the second limiting member are plugged or inserted into each other for connection.

5. A terminal anti-retraction connector according to claim 1 or 2, characterized in that: The second stop piece is provided with a protrusion (31) corresponding to each wire pressing terminal, and the first stop piece is a wire pressing terminal stop key (22) provided on the wire pressing terminal (2), and the protrusion (31) locks the wire pressing terminal stop key (22) in the withdrawal direction of the terminal.

6. The terminal anti-retraction connector according to claim 5, characterized in that: When the wire pressing terminal is assembled in the housing, a clearance is left between the wire pressing terminal stop key (22) and the surface of the protrusion (31); or when the wire pressing terminal is assembled in the housing, the wire pressing terminal stop key (22) abuts against the surface of the protrusion (31).

7. A terminal anti-retraction connector according to claim 1 or 2, characterized in that: The two side surfaces of the second stop member are provided with convex ribs (32); the first stop member is provided with convex grooves (12) on the two side surfaces of the inner cavity of the shell (1); the convex ribs (32) are inserted into the convex grooves (12).

8. The terminal anti-retraction connector according to claim 1, characterized in that: The stop device (3) further comprises a convex foot (33), and the housing (1) further comprises a concave foot (13). The stop device (3) is embedded in the cavity of the housing (1), and the convex foot (33) is engaged with the concave foot (13).

9. The terminal anti-retraction connector according to claim 8, characterized in that: When the convex foot (33) is engaged with the concave foot (13), the stop device (3) can be flush with the housing (1) in the pressing direction.

10. The terminal anti-retraction connector according to claim 1, characterized in that: The housing (1) is a hard structural member made of insulating material, and the stop device (3) is an elastic member made of insulating material with deformation capability; the stop device (3) and the housing (1) are interference-fitted.

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