CN213635846U

CN213635846U - Locking device for vehicle relay

Info

Publication number: CN213635846U
Application number: CN202023150927.3U
Authority: CN
Inventors: 韩洪帅; 谢道银; 张辉; 赖剑平; 王志信
Original assignee: Hulian Electronic Nanjing Co ltd
Current assignee: Hulian Electronic Nanjing Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-06
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a locking device for automobile-used relay, include: the first locking structure and the second locking structure of mutual joint, wherein, the relay outside is located to first locking structure, and first locking structure and relay separable, and the second locking structure is located on the casing that the relay pegged graft. Compare in prior art, can reduce the not hard up risk of automobile-used relay under the condition that receives vibration, impact to avoid automobile-used relay performance to become invalid.

Description

Locking device for vehicle relay

Technical Field

The utility model relates to a binding post device field especially relates to a locking device for automobile-used relay.

Background

The relay is an automatic control device which generates a jump change in output quantity when the input quantity (electricity, magnetism, sound, light, heat) reaches a certain value. Among the relays, the relays for vehicles used in the automotive field are quite demanding on the environment. For example, a vehicle relay provided in an engine compartment is susceptible to vibration and impact. Specifically, in the first aspect, the vehicle relay may encounter vibration of a certain frequency range and an acceleration value during the vehicle running process. The vehicle relay subjected to vibration may generate failure caused by loosening or breaking of a mechanical structure; contact failure may also occur; noise, wear, and other physical failures may also occur due to relative movement between moving parts. In the second aspect, the relay for vehicles is often subjected to mechanical impact during transportation, handling and use. The vehicle relay subjected to impact may cause the structure to be loosened, damaged and broken to lose the working performance; or, may cause electrocution failure. Therefore, the vehicle relay has high requirements on vibration resistance and impact resistance.

As shown in fig. 1a and 1b, a conventional relay for a vehicle is schematically illustrated in a state of connection between a terminal b and a housing c, and in the conventional relay for a vehicle, a holding force of the relay for a vehicle placed in a fuse box is generally determined by a clamping force of the terminal b to a pin of the relay a. In consideration of the problems of post-maintenance rework and the like of the vehicle relay, the plugging force of the vehicle relay cannot be too large, so that the vehicle relay has the loosening risk under the condition of severe use conditions, such as vibration and impact, and the vehicle relay fails.

SUMMERY OF THE UTILITY MODEL

The utility model provides a locking device for automobile-used relay to solve current automobile-used relay and receiving the not hard up risk under the condition of vibration, impact, thereby make this problem of automobile-used relay performance inefficacy.

A lock device for a relay for a vehicle, comprising: the first locking structure and the second locking structure of mutual joint, the relay outside is located to first locking structure, just first locking structure is separable with the relay, second locking structure is located on the casing that the relay pegged graft.

Further, in one implementation, the first locking structure comprises a rectangular frame structure, a leg extending towards the bottom surface of the frame structure is provided at each right angle of the frame structure, and the frame structure and the legs are configured to be placed outside the relay.

Further, in an implementation manner, the second locking structures are arranged at four corners of the housing and are used for being clamped with the support legs of the first locking structures.

Further, in one implementation, each of the legs is provided with a leg groove;

the second locking structure comprises a housing projection for snap-fitting with each of the leg grooves.

Further, in one implementation, the leg groove is a through hole penetrating through a side surface of the leg.

Further, in an implementation mode, the lower groove surface of the supporting leg groove is a first plane, the lower surface of the shell in a protruding mode is a second plane, and when the first locking structure and the second locking structure are clamped, the first plane is attached to the second plane.

Further, in one implementation, the upper surface of the housing protrusion is a first inclined surface, and the first inclined surface is a slope surface from low to high along a direction in which the first locking structure approaches the second locking structure.

Further, in one implementation, each of the legs is provided with a leg protrusion;

the second locking structure comprises a housing groove for snap-fitting with each of the leg projections.

Further, in an implementation, the lower side of the housing groove is a third plane, and the upper surface of the leg protrusion is a fourth plane, so that when the first locking structure and the second locking structure are clamped, the third plane and the fourth plane are attached to each other.

Further, in one implementation, the upper surface of the leg protrusion is a second slope that slopes from high to low along a direction in which the first locking structure approaches the second locking structure.

According to the above technical solution, the utility model provides a locking device for automobile-used relay, include: first locking structure and second locking structure of mutual joint, the relay outside is located to first locking structure, just first locking structure is separable with the relay, second locking structure is located on the casing that the relay pegged graft

In the prior art, the automotive relay has a loosening risk under the condition of severe use conditions, such as vibration and impact, and results such as failure of the automotive relay are caused. By adopting the locking device for the vehicle relay, the relay can be locked on the shell through the locking device, and the effects of vibration resistance and impact resistance are achieved. Therefore for prior art, can reduce the not hard up risk of automobile-used relay under the condition that receives vibration, impact to avoid automobile-used relay performance inefficacy.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1a is a schematic diagram of a connection state between a conventional relay and a terminal for a vehicle according to an embodiment of the present application;

FIG. 1b is a schematic diagram illustrating a connection state between a conventional relay and a housing for a vehicle according to an embodiment of the present invention; FIG. 2a is a schematic diagram of an overall structure of a locking device for a vehicle relay in a separated state according to an embodiment of the present application;

FIG. 2b is a schematic diagram of an overall structure of a locking device for a vehicle relay provided in the embodiment of the present application in a locked state;

fig. 2c is a schematic side view of a locking device for a vehicle relay according to an embodiment of the present application in a locked state;

FIG. 2d is a schematic diagram of a detailed structure of a locking device for a vehicle relay in a disengaged state according to an embodiment of the present application;

FIG. 3a is a schematic diagram of an overall structure of another locking device for a vehicle relay provided in the embodiment of the present application in a disengaged state;

FIG. 3b is a schematic diagram of a detail structure of another locking device for a vehicle relay in a separated state according to the embodiment of the present application;

FIG. 3c is a schematic view of another locking device for a vehicle relay according to an embodiment of the present disclosure in a locked state;

fig. 3d is a schematic side view of another locking device for a vehicle relay according to an embodiment of the present application in a locked state.

Wherein: 10-first locking structure, 101-frame structure, 102-leg, 103-leg recess, 1031-first plane, 104-leg projection, 1041-fourth plane, 1042-second slope, 20-second locking structure, 201-housing projection, 2011-second plane, 2012-first slope, 202-housing recess, 2021-third plane.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The embodiment of the application discloses a locking device for a vehicle relay, which is applied to an automobile fuse box or an electric appliance box. Because the automobile fuse box or the electrical box is usually arranged in an automobile engine room, the position often has high-frequency vibration, so that the close fit of the relay assembly in the fuse box or the electrical box is higher.

The present embodiment provides a lock device for a relay for a vehicle, including: first locking structure 10 and the second locking structure 20 of mutual joint, the relay outside is located to first locking structure 10, just first locking structure 10 is separable with the relay, second locking structure 20 is located on the casing that the relay pegged graft.

In the locking device for the vehicle relay according to the present embodiment, the first locking structure 10 includes a rectangular frame structure 101, a leg 102 extending toward the bottom surface of the frame structure 101 is provided at each right angle of the frame structure 101, and the frame structure 101 and the leg 102 are configured to be placed outside the relay.

In the locking device for the vehicle relay according to this embodiment, the second locking structures 20 are disposed at four corners of the housing, and are used for being clamped with the supporting legs 102 of the first locking structure 10.

It should be noted that, in the present embodiment, the second locking structure 20 is not shown in some of the drawings. Specifically, as shown in fig. 2a, when the second locking structure 20 is a housing protrusion 201, the second locking structure 20 is not shown in fig. 2a, and the housing protrusion 201 is shown instead of the second locking structure 20; while, as shown in fig. 3a, the second locking structure 20 is shown in fig. 3a when the second locking structure 20 is a housing recess 202, the housing recess 202 is shown in fig. 2 b.

As shown in fig. 2a to 2d, in the locking device for a relay for a vehicle according to the present embodiment, each leg 102 is provided with a leg groove 103;

the second locking structure 20 comprises a housing protrusion 201 for engaging with each of the leg grooves 103.

In the locking device for the vehicle relay according to this embodiment, the leg recess 103 is a through hole penetrating through the side surface of the leg 102.

In the locking device for the vehicle relay, the lower groove surface of the leg groove 103 is a first plane 1031, the lower surface of the housing protrusion 201 is a second plane 2011, and when the first locking structure 10 and the second locking structure 20 are clamped, the first plane 1031 and the second plane 2011 are attached to each other.

In the locking device for the vehicle relay according to this embodiment, the upper surface of the housing protrusion 201 is a first inclined surface 2012, and the first inclined surface 2012 is a sloping surface from low to high along the direction in which the first locking structure 10 approaches the second locking structure 20. In this embodiment, through the above arrangement, the clamping process between the leg groove 103 and the housing protrusion 201 is simpler, and the clamping is more stable after the completion.

Specifically, in this embodiment, after the pins and the terminals of the relay a for a vehicle are clamped and mounted on the housing c, the frame structure 101 and the legs 102 are made to wrap the edges of the relay a by placing the first locking structure 10 on the relay a and pressing down the first locking structure 10 until the leg grooves 103 are engaged with the housing protrusions 201 of the second locking structure 20. Namely, the relay can be locked on the shell by the locking device for the vehicle relay, so that the effects of vibration resistance and impact resistance are achieved. Therefore for prior art, can reduce the not hard up risk of automobile-used relay under the condition that receives vibration, impact to avoid automobile-used relay performance inefficacy.

As shown in fig. 3a to 3d, in the locking device for a relay for a vehicle according to the present embodiment, each leg 102 is provided with a leg protrusion 104;

the second locking structure 20 includes a housing recess 202 for snap-fitting with each of the leg projections 104.

In the locking device for the vehicle relay according to this embodiment, the lower side of the housing groove 202 is a third plane 2021, and the upper surface of the leg protrusion 104 is a fourth plane 1041, so that when the first locking structure 10 and the second locking structure 20 are clamped, the third plane 2021 is attached to the fourth plane 1041.

In the locking device for a vehicle relay according to this embodiment, the upper surface of the leg protrusion 104 is a second inclined surface 1042, and the second inclined surface 1042 is a slope from high to low along the direction that the first locking structure 10 approaches the second locking structure 20. In this embodiment, through the above arrangement, the clamping process between the leg protrusion 104 and the housing groove 202 is simpler, and the clamping is more stable after the clamping is completed.

Specifically, in this embodiment, after the pins and the terminals of the relay a for a vehicle are clamped and mounted on the housing c, the frame structure 101 and the legs 102 are made to wrap the edges of the relay a by placing the first locking structure 10 on the relay a and pressing down the first locking structure 10 until the leg protrusions 104 are engaged with the housing grooves 202 of the second locking structure 20. Namely, the relay can be locked on the shell by the locking device for the vehicle relay, so that the effects of vibration resistance and impact resistance are achieved. Therefore for prior art, can reduce the not hard up risk of automobile-used relay under the condition that receives vibration, impact to avoid automobile-used relay performance inefficacy.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A lock device for a relay for a vehicle, comprising: first locking structure (10) and second locking structure (20) of mutual joint, the relay outside is located in first locking structure (10), just first locking structure (10) and relay are separable, second locking structure (20) are located on the casing that the relay pegged graft.

2. A locking arrangement for a relay for vehicles according to claim 1, characterised in that the first locking structure (10) comprises a rectangular frame structure (101), that at each right angle of the frame structure (101) a leg (102) is provided extending towards the bottom surface of the frame structure (101), that the frame structure (101) and the legs (102) are intended to be placed outside the relay.

3. The latching device for a vehicle relay according to claim 2, characterized in that the second latching means (20) are provided at the four corners of the housing for snap-fitting with the legs (102) of the first latching means (10).

4. A locking device for a relay for vehicles according to claim 3, wherein each of the legs (102) is provided with a leg groove (103);

the second locking structure (20) comprises a housing protrusion (201) for snap-fitting with each of the leg grooves (103).

5. The latching device for a relay for vehicles as claimed in claim 4, wherein the leg recess (103) is a through hole penetrating the side of the leg (102).

6. The latching device of claim 4 or 5, wherein the lower groove surface of the leg groove (103) is a first plane (1031), the lower surface of the housing protrusion (201) is a second plane (2011), and when the first locking structure (10) and the second locking structure (20) are snapped, the first plane (1031) and the second plane (2011) are abutted.

7. A locking device for a vehicle relay according to claim 6, wherein the upper surface of the housing protrusion (201) is a first slope (2012), and the first slope (2012) is sloped from low to high in a direction in which the first locking structure (10) approaches the second locking structure (20).

8. A latching device for a relay for vehicles according to claim 3, wherein each of the legs (102) is provided with a leg protrusion (104);

the second locking formation (20) includes a housing recess (202) for snap-fitting with each of the leg projections (104).

9. The latching device of claim 8, wherein the lower side of the housing groove (202) is a third plane (2021), and the upper surface of the leg protrusion (104) is a fourth plane (1041), so that when the first locking structure (10) and the second locking structure (20) are snapped, the third plane (2021) is abutted against the fourth plane (1041).

10. The latching device of claim 9, wherein the upper surface of the leg protrusion (104) is a second ramp (1042), and the second ramp (1042) is sloped from high to low in a direction of the first latching structure (10) approaching the second latching structure (20).