Anti-loose inserting structure and retarder control valve with same

Abstract

The utility model provides an anti-loosing plugging structure and a retarder control valve with the same, the anti-loosing plugging structure comprises a retarder control valve and a wire harness plug, the retarder control valve is provided with a plug male end, and a pin matched with a pin receiving end in the wire harness plug is arranged in the plug male end. The retarder control valve electric appliance connecting structure is designed to be a plug-in type connecting structure, and the problems that a traditional structure is large in installation difficulty and low in installation efficiency are solved. Connecting and fixing structures are arranged on the plug male end of the retarder control valve and the wire harness plug, and the wire harness plug is inserted into the plug male end of the retarder control valve and matched with the plug male end of the retarder control valve through the connecting and fixing structures. The problem that a traditional retarder control valve electric appliance connector is loosened in connection due to bumpy road conditions, vibration and the like can be fundamentally solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the retarber equipment field, concretely relates to a kind of anti-loose plug-in structure and the retarber control valve with the structure. BACKGROUND

[0002] As the auxiliary braking tool of commercial vehicle transmission system, hydraulic retarber plays an important role in safe and efficient driving of vehicle, and the reliability of its control valve electrical connection is crucial for safe operation of vehicle;The control valve is the structure of retarber RCU command execution, receives and executes retarber RCU command, adjusts air pressure, controls retarber braking torque, and then meets the vehicle deceleration function required by driver.

[0003] The traditional retarber control valve electrical connector may be loose due to road bumps, vibration and other reasons, thereby affecting the normal work of retarber, and there is certain safety hazard.In addition, the traditional retarber control valve electrical connector must be inserted into the female end of the wire harness connector and the male end of the electrical connector on the control valve after aligning the pin, and then the wire harness connector can be rotated and fastened, which is difficult to install and has low efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of anti-loose plug-in structure and the retarber control valve with the structure to overcome the problems of unreliable existing connector connection and difficult installation.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A kind of anti-loose plug-in structure and the retarber control valve with the structure, including wire harness connector, at least one pin receiving end is installed in the wire harness connector, and connecting fixed structure is arranged on the wire harness connector.

[0007] Further, the wire harness connector is square.

[0008] Further, the connecting fixed structure adopts a lock type structure.

[0009] Further, the lock type structure includes first lock slot and second lock slot, and the first lock slot and the second lock slot are arranged on the wire harness connector.

[0010] Further, the lock type structure further includes third lock and third lock slot, and the third lock cooperates with the third lock slot, and plug-in lock is inserted into the wire harness connector.

[0011] Further, the third lock is arranged on the plug-in lock, and the third lock slot is arranged on the wire harness connector.

[0012] Further, the number of pin receiving ends in the wire harness connector is two.

[0013] In a second aspect, the utility model still provides a retarder control valve with anti-loose plug structure, the retarder control valve is opened and is connected with the plug male end of anti-loose plug structure, is provided with at least one pin in the plug male end, and the retarder control valve is connected through the anti-loose plug structure of plug male end above-mentioned;

[0014] The retarder control valve is provided with a connecting and fixing structure.

[0015] Further, the plug male end of the retarder control valve adopts a square jack.

[0016] Further, the connecting and fixing structure adopts a lock catch type structure, which includes a first lock catch and a second lock catch, and the first lock catch and the second lock catch are opened on the outer wall of the plug male end of the retarder control valve.

[0017] Compared with the prior art, the utility model has the following beneficial technical effects:

[0018] The utility model provides a kind of anti-loose plug structure, including wire harness plug, at least one pin receiving end is provided in wire harness plug, for and corresponding plug connector connection, namely the plug connector of existing design is the plug-in connection structure of plug, solve the problem of larger installation difficulty, lower installation efficiency of traditional structure;By setting connecting and fixing mechanism at wire harness plug, the stability of anti-loose plug structure can be guaranteed.

[0019] Preferably, the connecting and fixing structure adopts a lock catch type structure, which solves the problems of larger installation difficulty and lower efficiency compared with the traditional screw thread connection fixing method.

[0020] Preferably, the wire harness plug is plugged with a plug-in lock catch, which can lock the other part of the plug connector with the wire harness plug.

[0021] The utility model also provides a retarder control valve with anti-loose plug structure, which is provided with a plug male end for connecting with the wire harness plug of the anti-loose plug structure, and at least one pin is arranged in the plug male end. In order to connect and fix the wire harness plug of the anti-loose plug structure, a connecting and fixing structure is further arranged on the retarder control valve. By arranging the connecting and fixing structure on the wire harness plug of the anti-loose plug structure and the plug male end of the retarder control valve, the problem of loose connection caused by road bumps, vibration and other reasons of the existing plug connector can be fundamentally solved.

[0022] Preferably, the plug male end of the retarder control valve and the wire harness plug both adopt a square structure, which ensures the reliability of connection. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1It is an anti-loose plug-in structure schematic diagram.

[0024] Figure 2 It is a retarder control valve structure schematic diagram.

[0025] Figure 3 It is a retarder control valve structure schematic diagram with anti-loose plug-in structure.

[0026] Figure 4 It is a structure schematic diagram of wire harness plug-in head and plug-in lock separation.

[0027] Figure 5 It is a structure diagram of wire harness plug-in head and plug-in lock cooperation.

[0028] Figure 6 It is a side cut drawing of wire harness plug-in head and retarder control valve lock.

[0029] Figure 7 It is a section view of wire harness plug-in head and retarder control valve lock after state.

[0030] In the figure, 1, retarder control valve; 2, wire harness plug-in head; 11, first lock; 12, second lock; 21, first lock slot; 22, second lock slot; 23, third lock; 24, third lock slot. DETAILED DESCRIPTION

[0031] In order to make the person skilled in the art better understand the present utility model scheme, below will combine the drawings in the embodiments of the present utility model, the technical scheme in the embodiments of the present utility model is described clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the person skilled in the art without making creative labor should belong to the scope of the present utility model protection.

[0032] In an embodiment of the present utility model, an anti-loose plug-in structure is provided, as shown in the figure, comprising wire harness plug-in head 2, wire harness plug-in head 2 is connected with wire harness, at least one pin receiving end is arranged in wire harness plug-in head 2, in order to prevent wire harness plug-in head 2 from shaking, plug-in head male end of retarder control valve 1 and wire harness plug-in head 2 are provided with connecting and fixing structure. Figure 1

[0033] Specifically, the connecting and fixing structure is all lock type structure, which ensures that the wire harness plug-in head 2 of the anti-loose plug-in structure is more stable.

[0034] ​The utility model designs an anti-loosening plug-in structure and a plug-in connection structure for the connected device, which solves the problem of the traditional structure being difficult to install and the low installation efficiency; and a locking structure is provided on the wiring harness plug 2, which solves the problem of the traditional connector being loose due to road bumps, vibrations and the like.

[0035] The utility model also includes a retarder control valve with an anti-loosening plug-in structure, such as Figure 3 As shown, the retarder control valve 1 is connected to the aforementioned anti-loosening plug structure. Accordingly, a male end of a connector corresponding to the wiring harness connector 2 is provided on the retarder control valve 1. The number of pins in the male end of the connector is the same as the number of pin receiving ends in the wiring harness connector 2. In addition, a locking structure connected and fixed to the wiring harness connector 2 is provided on the outer wall of the male end of the connector of the retarder control valve 1. Figure 2 As shown, it includes a first lock buckle 11 and a second lock buckle 12, and the first lock buckle 11 and the second lock buckle 12 are respectively matched and connected with the first lock slot 21 and the second lock slot 22.

[0036] Example 1

[0037] A retarder control valve with an anti-loosening plug structure includes a retarder control valve 1 and a wiring harness connector 2. The retarder control valve 1 is provided with a male end of the connector for connecting to the wiring harness connector 2. At least one pin receiving end is provided in the wiring harness connector 2. The male end of the connector of the retarder control valve 1 is also provided with at least one pin corresponding to the pin receiving end in the wiring harness connector 2. In order to prevent the wiring harness connector 2 from shaking when inserted into the male end of the connector of the retarder control valve 1, a connecting fixing structure is respectively provided on the male end of the connector of the retarder control valve 1 and the wiring harness connector 2.

[0038] The male end of the connector of the retarder control valve 1 and the wiring harness connector 2 are both square in shape.

[0039] Example 2

[0040] A retarder control valve with an anti-loosening plug structure includes a retarder control valve 1 and a wiring harness connector 2. The retarder control valve 1 is provided with a male end of the connector for connecting to the wiring harness connector 2. At least one pin receiving end is provided in the wiring harness connector 2. The male end of the connector of the retarder control valve 1 is also provided with at least one pin corresponding to the pin receiving end in the wiring harness connector 2. In order to prevent the wiring harness connector 2 from shaking when inserted into the male end of the connector of the retarder control valve 1, a connection fixing structure is respectively provided on the male end of the connector of the retarder control valve 1 and the wiring harness connector 2.

[0041] The connecting and fixing structure is a lock type structure, which comprises a first lock 11, a second lock 12, a first lock slot 21 and a second lock slot 22. Figure 2 The first lock slot 21 and the second lock slot 22 are arranged on the wiring harness connector 2.

[0042] In addition, the wiring harness connector 2 is provided with a plug-in lock, and the wiring harness connector 2 and the plug-in lock are separated and matched, as shown in Figure 3 The third lock 23 is arranged on the plug-in lock, and the third lock slot 24 is arranged on the wiring harness connector 2. Figure 4 Figure 5 The third lock 23 is arranged on the plug-in lock, and the third lock slot 24 is arranged on the wiring harness connector 2.

[0043] Embodiment 3

[0044] In the wiring harness connector 2, the number of the pin receiving end of the plug-in connector of the retarder control valve 1 and the number of the pin of the wiring harness connector 2 are both two, which are divided into positive and negative.

[0045] Working process

[0046] The wiring harness connector 2 is connected to the retarder control valve 1, the male end of the wiring harness connector 2 is connected to the female end of the wiring harness connector 2, the circuit signal is connected, the retarder RCU can control the retarder to work, and the whole vehicle braking is realized. Figure 6 、 Figure 7 The third lock 23 is arranged on the plug-in lock, and the third lock slot 24 is arranged on the wiring harness connector 2. Figure 5 The wiring harness and the control valve are locked together.

[0047] The wiring harness connector 2 is connected to the retarder control valve 1, the male end of the wiring harness connector 2 is connected to the female end of the wiring harness connector 2, the circuit signal is connected, the retarder RCU can control the retarder to work, and the whole vehicle braking is realized.

[0048] The wiring harness connector 2 is connected to the retarder control valve 1, the male end of the wiring harness connector 2 is connected to the female end of the wiring harness connector 2, the circuit signal is connected, the retarder RCU can control the retarder to work, and the whole vehicle braking is realized.

[0049] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.​

Claims

1. An anti-loosening plug-in structure, characterized by comprising: The wire harness connector (2) is provided with a connecting and fixing structure. The connecting and fixing structure adopts a lock type structure, and the lock type structure comprises a first lock slot (21) and a second lock slot (22). The lock type structure further comprises a third lock (23) and a third lock slot (24), the third lock (23) is matched with the third lock slot (24), a plug-in lock is inserted into the wire harness connector (2), the third lock (23) is arranged on the plug-in lock, and the third lock slot (24) is arranged on the wire harness connector (2).

2. A captive coupling structure according to claim 1, wherein The wire harness connector (2) is square.

3. The anti-backout connector assembly of claim 1, wherein: The number of the pin receiving ends in the wire harness connector (2) is two.

4. A retarder control valve having a lock plug connection, characterized in that The retarder control valve (1) is provided with a connector male end, at least one pin is arranged in the connector male end, and the retarder control valve (1) is connected with the anti-loosening plug-in structure of any one of claims 1-3 through the connector male end. The retarder control valve (1) is provided with a connecting and fixing structure.

5. A retarder control valve having an anti-loose plug-in structure according to claim 4, characterized in that, The connector male end of the retarder control valve (1) adopts a square jack.

6. A retainer control valve having an anti-loosening plug-in structure according to claim 4, characterized by The connecting and fixing structure adopts a lock type structure, and the lock type structure comprises a first lock slot (21) and a second lock slot (22). The number of the pin receiving ends in the wire harness connector (2) is two. The retarder control valve (1) is provided with a connector male end, at least one pin is arranged in the connector male end, and the retarder control valve (1) is connected with the anti-loosening plug-in structure of any one of claims 1-3 through the connector male end. The retarder control valve (1) is provided with a connecting and fixing structure. The connector male end of the retarder control valve (1) adopts a square jack. The connecting and fixing structure adopts a lock type structure, and the lock type structure comprises a first lock slot (21) and a second lock slot (22).

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