CN211928144U

CN211928144U - Terminal retreat detection module

Info

Publication number: CN211928144U
Application number: CN201921320324.8U
Authority: CN
Inventors: 王季; 韩剑峰
Original assignee: Beijing Hainachuan Lear Automobile System Co ltd
Current assignee: Beijing Hainachuan Lear Automobile System Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-11-13
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a terminal moves back position detection module, including module panel, module base, connecting bolt, spring and test probe, the module panel runs through and has seted up connecting hole and grafting die cavity, and the module panel is located module base top. The upper surface of module base is equipped with the connecting seat, and the connecting seat is located the projection position of connecting hole on module base, sets up threaded hole on the connecting seat, the internal thread of threaded hole and connecting bolt's external screw thread phase-match. The connecting bolt penetrates through the connecting hole to be connected with the connecting seat, the spring is sleeved on the outer side of the connecting bolt, and the spring is located in the connecting hole. The detection probe is arranged on the upper surface of the module base and is positioned at the projection position of the plug-in cavity on the module base. The utility model discloses protect the pencil terminal, can carry out the detection of terminal grafting quality under the condition that does not harm the pencil terminal, can also retrain rocking of pencil terminal simultaneously, further protect the pencil terminal.

Description

Terminal retreat detection module

Technical Field

The utility model relates to a car wiring harness detects technical field, especially terminal retreat position detection module.

Background

A terminal is a common connector in electrical engineering, mainly used for conducting electricity or transmitting electrical signals, and in application, the terminal is inserted into a terminal of a wiring harness and is pressed together with the wiring harness by means of equipment. The finished wire harness is convenient to plug and pull, easy to arrange, simple to install and use, convenient to replace, detect and maintain and widely applied to an automobile electrical system.

Terminal back off is a common failure problem, which means that the terminals in the sheath automatically fall off during the assembly or use of the connector. The terminal retreats and can influence the power supply or signal transmission of system equipment, so that the operation is not smooth, the function is invalid, and even safety accidents are caused. The terminal moves back and puts except that the use is canonicalized and external environment influences, generally is that the terminal is not in place with the pencil grafting, and the terminal is gone the volume of rocking in the chamber and is leaded to in the sheath, consequently need control the grafting quality of terminal through detecting. At present, the detection method of the terminal plugging quality mainly utilizes the contact of a detection probe and a terminal, and the plugging state of the terminal is detected through an instrument. Therefore, it is necessary to develop a detection apparatus capable of effectively detecting the quality of terminal insertion without damaging the terminal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal detection module that moves back for the grafting quality to the pencil terminal detects, can protect the pencil terminal, can effectually detect the terminal grafting condition under the condition that does not harm the terminal, and can adjust the contact distance of probe and terminal at will.

In order to solve the technical problem, the utility model discloses a following technical scheme: the terminal retreat detection module comprises a module panel, a module base, a connecting bolt, a spring and a detection probe, wherein the module panel is provided with a connecting hole and a plug-in cavity in a penetrating mode, and the module panel is located above the module base. The upper surface of the module base is provided with a connecting seat, the connecting seat is located at the projection position of the connecting hole on the module base, the connecting seat is provided with a threaded hole, and the internal thread of the threaded hole is matched with the external thread of the connecting bolt. The connecting bolt penetrates through the connecting hole to be connected with the connecting seat, the spring is sleeved on the outer side of the connecting bolt, and the spring is located in the connecting hole. The detection probe is arranged on the upper surface of the module base and is positioned at the projection position of the plug-in cavity on the module base. When carrying out terminal grafting quality testing, insert the pencil terminal by the grafting die cavity, the module panel can follow connecting bolt's axis up-and-down motion, drives pencil terminal up-and-down motion, can control the distance between module panel and the module base through connecting bolt and spring to guarantee that the even slow change of interval of module panel and module base prevents pencil terminal and test probe direct impact, protects the terminal.

The connecting seat on the module base is a cross-shaped boss, the threaded hole is located in the center of the cross-shaped boss, a cross-shaped groove is formed in the outer side of the connecting hole in the lower surface of the module panel, and the size of the cross-shaped groove is the same as that of the cross-shaped boss. The connecting seat and the connecting hole are designed into the cross-shaped boss so as to limit the lateral displacement of the module panel, the module panel and the module base are matched and locked with the connecting seat through the connecting hole, the module panel only can move up and down, and the wire harness terminal and the detection probe are prevented from being scraped and rubbed.

The height of the connecting seat in the utility model is 8-15mm, the depth of the cross-shaped groove outside the connecting hole is equal to the height of the connecting seat, and the depth of the threaded hole is 8-15 mm. The sizes of the connecting seat, the connecting hole and the threaded hole are matched with each other, and when the connecting bolt is completely screwed down, the lower surface of the module panel is attached to the upper surface of the module base.

The connecting holes are two in number and are respectively positioned on two sides of the gravity center of the module panel, the connecting seats and the connecting bolts are two in number, and the positions of the connecting holes correspond to the positions of the connecting holes. This kind of design can prevent that the both ends of module panel from going up and down inconsistent, avoids module panel one side to cross excessively, leads to the test probe to destroy the terminal.

The utility model discloses still be equipped with the stopper at the upper surface of module panel, and the stopper is adjacent with the grafting die cavity. The effect of stopper is the lateral shifting of restriction pencil terminal, and there is manufacturing tolerance in the course of working of pencil terminal, and dimensional tolerance can influence the combination of pencil terminal at the grafting die cavity, guarantees the inseparable combination of pencil terminal and grafting die cavity through the stopper, prevents that the pencil terminal from rocking in the grafting die cavity.

The outer side of the connecting hole in the upper surface of the module panel is provided with a counter bore, and the size of the counter bore is the same as that of a bolt head of the connecting bolt. The countersunk holes can ensure that the bolt heads of the connecting bolts do not exceed the upper surface of the module panel, and can avoid the influence of the connecting bolts on the outside wire harnesses.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model provides a terminal detection module that moves back for the detection of pencil terminal grafting quality through connecting bolt and connecting seat, has realized that detection probe and terminal slowly contact, protects the pencil terminal, can carry out the detection of terminal grafting quality under the condition that does not harm the pencil terminal, can also restrain rocking of pencil terminal simultaneously, further protects the pencil terminal.

Drawings

Fig. 1 is a cross-sectional view of the present invention at a connecting seat;

fig. 2 is a top view of a modular panel of the present invention;

fig. 3 is a bottom view of the module panel of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of the modular panel of the present invention;

fig. 5 is a top view of the module base of the present invention;

fig. 6 is a front view of the module base of the present invention.

The meaning of the reference numerals: 1-module panel, 2-module base, 3-connecting bolt, 4-spring, 5-detection probe, 6-connecting hole, 7-splicing cavity, 8-connecting seat, 9-threaded hole, 10-limiting block and 11-countersunk hole.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Detailed Description

Embodiment 1 of the utility model: as shown in fig. 1, the terminal retreat detecting module includes a module panel 1, a module base 2, a connecting bolt 3, a spring 4, and a detecting probe 5. As shown in fig. 2 or fig. 3, the module panel 1 in this embodiment has a connection hole 6 and an insertion cavity 7, and the module panel 1 is located above the module base 2. As shown in fig. 5 or fig. 6, a connecting seat 8 is disposed on the upper surface of the module base 2, the connecting seat 8 is located at a projection position of the connecting hole 6 on the module base 2, a threaded hole 9 is formed in the connecting seat 8, and an internal thread of the threaded hole 9 is matched with an external thread of the connecting bolt 3. As shown in fig. 1, the connecting bolt 3 passes through the connecting hole 6 to be connected with the connecting seat 8, the spring 4 is sleeved outside the connecting bolt 3, and the spring 4 is located in the connecting hole 6. The detection probe 5 is arranged on the upper surface of the module base 2 and is positioned at the projection position of the plug-in cavity 7 on the module base 2.

The wire harness terminal is inserted into the inserting cavity 7 from the upper surface of the module panel 1, and the terminal is contacted with the detection probe 5 at the position corresponding to the inserting cavity 7, so that the detection work of the inserting quality of the wire harness terminal can be completed. Module panel 1 and module base 2 are connected by connecting bolt 3, can be through adjusting connecting bolt 3 can control the distance between module panel 1 and the module base 2, and then the distance between control pencil terminal and the detection probe 5. And, connecting bolt 2 and the 9 threaded connection of screw hole on the connecting seat 8 in this embodiment, accommodation process is slow even, can avoid pencil terminal and 5 collisions of detecting probe, avoids pencil terminal to damage when carrying out the grafting and detect. When the connecting bolt 3 is loosened, the module panel 1 can be separated from the module base 2 under the action of the spring 4, and the damage to the terminal caused by manual plugging and unplugging is avoided.

Embodiment 2 of the utility model: as shown in fig. 1, the terminal retreat detecting module includes a module panel 1, a module base 2, a connecting bolt 3, a spring 4, and a detecting probe 5. As shown in fig. 2 or fig. 3, the module panel 1 in this embodiment has a connection hole 6 and an insertion cavity 7, and the module panel 1 is located above the module base 2. As shown in fig. 5 or fig. 6, a connecting seat 8 is disposed on the upper surface of the module base 2, the connecting seat 8 is located at a projection position of the connecting hole 6 on the module base 2, a threaded hole 9 is formed in the connecting seat 8, and an internal thread of the threaded hole 9 is matched with an external thread of the connecting bolt 3. As shown in fig. 1, the connecting bolt 3 passes through the connecting hole 6 to be connected with the connecting seat 8, the spring 4 is sleeved outside the connecting bolt 3, and the spring 4 is located in the connecting hole 6. The detection probe 5 is arranged on the upper surface of the module base 2 and is positioned at the projection position of the plug-in cavity 7 on the module base 2.

As shown in fig. 3 or fig. 5, connecting seat 8 in this embodiment is a cross-shaped boss, the height of connecting seat 8 is 15mm, threaded hole 9 is located the central authorities of cross-shaped boss, and the degree of depth of threaded hole 9 is 15mm, cross-shaped recess has been seted up in the outside of module panel 1 lower surface connecting hole 6, and the size of cross-shaped recess is the same with the size of cross-shaped boss.

In this embodiment, the connecting seat 8 is matched with the cross-shaped groove on the outer side of the connecting hole 6 in shape and size, in the process that the distance between the module panel 1 and the module bottom base 2 is gradually reduced, the module panel 1 and the module base 2 are partially overlapped, the wire harness terminal is in contact with the detection probe 5 at the moment, the cross-shaped boss and the cross-shaped groove are the same in shape and size and are mutually matched, the lateral displacement of the module panel 1 is limited, and the wire harness terminal and the detection probe 5 are prevented from being cut and rubbed, and the terminal is prevented from being damaged.

Embodiment 3 of the utility model: as shown in fig. 1, the terminal retreat detecting module includes a module panel 1, a module base 2, a connecting bolt 3, a spring 4, and a detecting probe 5. As shown in fig. 2 or fig. 3, the module panel 1 in this embodiment has a connection hole 6 and an insertion cavity 7, and the module panel 1 is located above the module base 2. As shown in fig. 5 or fig. 6, a connecting seat 8 is disposed on the upper surface of the module base 2, the connecting seat 8 is located at a projection position of the connecting hole 6 on the module base 2, a threaded hole 9 is formed in the connecting seat 8, and an internal thread of the threaded hole 9 is matched with an external thread of the connecting bolt 3. As shown in fig. 1, the connecting bolt 3 passes through the connecting hole 6 to be connected with the connecting seat 8, the spring 4 is sleeved outside the connecting bolt 3, and the spring 4 is located in the connecting hole 6. The detection probe 5 is arranged on the upper surface of the module base 2 and is positioned at the projection position of the plug-in cavity 7 on the module base 2.

As shown in fig. 3 or 5, the number of the connecting holes 6 in the present embodiment is two, and the connecting seats 8 and the connecting bolts 3 are located on two sides of the center of gravity of the module panel 1. Connecting hole 6 sets up in the focus both sides of module panel 1, and two connecting bolt 3 adjust the lift simultaneously, can prevent that module panel 1's falling speed is inhomogeneous, leads to the pencil terminal to damage because of slope contact detection probe 5.

Embodiment 4 of the utility model: as shown in fig. 1, the terminal retreat detecting module includes a module panel 1, a module base 2, a connecting bolt 3, a spring 4, and a detecting probe 5. As shown in fig. 2 or fig. 3, the module panel 1 in this embodiment has a connection hole 6 and an insertion cavity 7, and the module panel 1 is located above the module base 2. As shown in fig. 5 or fig. 6, a connecting seat 8 is disposed on the upper surface of the module base 2, the connecting seat 8 is located at a projection position of the connecting hole 6 on the module base 2, a threaded hole 9 is formed in the connecting seat 8, and an internal thread of the threaded hole 9 is matched with an external thread of the connecting bolt 3. As shown in fig. 1, the connecting bolt 3 passes through the connecting hole 6 to be connected with the connecting seat 8, the spring 4 is sleeved outside the connecting bolt 3, and the spring 4 is located in the connecting hole 6. The detection probe 5 is arranged on the upper surface of the module base 2 and is positioned at the projection position of the plug-in cavity 7 on the module base 2.

As shown in fig. 3 or fig. 5, connecting seat 8 in this embodiment is a cross-shaped boss, and connecting seat 8's height is 8mm, and screw hole 9 is located the central authorities of cross-shaped boss, and the degree of depth of screw hole 9 is 8mm, cross-shaped recess has been seted up in the outside of module panel 1 lower surface connecting hole 6, and cross-shaped recess's size is the same with cross-shaped boss's size.

As shown in fig. 2 or fig. 4, in this embodiment, the upper surface of the module panel 1 is further provided with a limiting block 10, the limiting block 10 is adjacent to the insertion cavity 7, and the limiting block 10 is used for limiting the swinging of the wire harness terminal in the insertion cavity 7 and adjusting the manufacturing tolerance of the wire harness terminal. When the pencil terminal is being processed and is being made, there is dimensional tolerance, and the size of the pencil terminal that detects of pegging graft probably does not match with grafting die cavity 7, inserts grafting die cavity 7 back, for preventing that the pencil terminal from rocking, can adjust stopper 10, guarantees that the position of pencil terminal is fixed in grafting die cavity 7.

As shown in fig. 2 or 4, in this embodiment, a countersunk hole 11 is formed on the outer side of the connection hole 6 on the upper surface of the module panel 1, and the size of the countersunk hole 11 is the same as the size of the bolt head of the connection bolt 3. Set up counter bore 11 and can guarantee that connecting bolt 3's top surface and module panel 1's upper surface are on the coplanar, avoid connecting bolt 3 to produce the influence to the pencil in the outside.

The utility model discloses a theory of operation: the utility model discloses a set up connecting bolt 3 and screw hole 9 and make 1 even slow being close to module base 2 of module panel, and then prevent that pencil terminal and detection probe 5 from bumping, protect the pencil terminal, simultaneously, set connecting seat 8 to the cross boss to set up the cross recess in the connecting hole 6 outside of 1 lower surface of module panel, restricted 1 lateral shifting of module panel, avoided pencil terminal and detection probe 5 to take place to cut and rub, further protection pencil terminal.

In order to improve the stability of the utility model, two connecting seats 8 and two connecting holes 6 are also arranged to prevent the module panel 1 from lifting unevenly and affecting the detection of the wiring harness terminal; the limiting block 10 is arranged to ensure that the wiring harness terminal is located at a fixed position in the inserting cavity 7 and prevent the wiring harness terminal from shaking; the provision of the counter sunk hole 11 avoids the connecting bolt 3 interfering with the wiring harness on the outside of the module panel 1.

Claims

1. Terminal retreat position detection module, its characterized in that: the device comprises a module panel (1), a module base (2), a connecting bolt (3), a spring (4) and a detection probe (5), wherein the module panel (1) is provided with a connecting hole (6) and an inserting cavity (7) in a penetrating manner, and the module panel (1) is positioned above the module base (2); the upper surface of the module base (2) is provided with a connecting seat (8), the connecting seat (8) is positioned at the projection position of the connecting hole (6) on the module base (2), the connecting seat (8) is provided with a threaded hole (9), and the internal thread of the threaded hole (9) is matched with the external thread of the connecting bolt (3); the connecting bolt (3) penetrates through the connecting hole (6) to be connected with the connecting seat (8), the spring (4) is sleeved on the outer side of the connecting bolt (3), the spring (4) is located in the connecting hole (6), one end of the spring (4) abuts against the connecting seat (8), and the other end of the spring (4) abuts against the bolt head of the connecting bolt (3); the detection probe (5) is arranged on the upper surface of the module base (2) and is positioned at the projection position of the plug-in cavity (7) on the module base (2).

2. The terminal-withdrawal detecting module of claim 1, wherein: the connecting seat (8) is a cross-shaped boss, the threaded hole (9) is located in the center of the cross-shaped boss, a cross-shaped groove is formed in the outer side of the lower surface connecting hole (6) of the module panel (1), and the size of the cross-shaped groove is the same as that of the cross-shaped boss.

3. The terminal-withdrawal detecting module of claim 1, wherein: the height of the connecting seat (8) is 8-15mm, and the depth of the cross-shaped groove on the outer side of the connecting hole (6) and the depth of the threaded hole (9) are equal to the height of the connecting seat (8).

4. The terminal-withdrawal detecting module of claim 1, wherein: the connecting holes (6) are two in number and located on two sides of the center of gravity of the module panel (1) respectively, and the connecting seats (8) and the connecting bolts (3) are also two in number.

5. The terminal-withdrawal detecting module of claim 1, wherein: the upper surface of the module panel (1) is also provided with a limiting block (10), and the limiting block (10) is adjacent to the plug-in cavity (7).

6. The terminal-withdrawal detecting module of claim 1, wherein: the outer side of the connecting hole (6) in the upper surface of the module panel (1) is provided with a counter bore (11), and the size of the counter bore (11) is the same as that of the bolt head of the connecting bolt (3).