CN218385011U

CN218385011U - Shell and relay

Info

Publication number: CN218385011U
Application number: CN202222685474.7U
Authority: CN
Inventors: 代文广; 傅大鹏; 陈松生
Original assignee: Xiamen Hongfa Electric Power Controls Co Ltd
Current assignee: Xiamen Hongfa Electric Power Controls Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-24
Anticipated expiration: 2032-10-12
Also published as: WO2024078539A1

Abstract

The utility model provides a shell and relay relates to power equipment technical field. The housing includes: a first housing; the second shell is arranged opposite to the first shell and is connected with the first shell, one of the first shell and the second shell is provided with a buckle and a flexible deformation part, the other one of the first shell and the second shell is provided with a clamping part, and the buckle is configured to be selectively clamped in the clamping part; the flexible deformation part is at least partially wrapped and arranged around the buckle in an encircling manner and is used for flexible deformation of the buckle. Through at least part ring around the buckle be equipped with flexible deformation portion, flexible deformation portion has increased the flexibility of buckle, forms the elasticity buckle structure this moment for buckle appears warping easily in first shell and second shell cooperation in-process, reduces the atress of first casing and second casing at the weak position of joint, reduces the risk that the fracture appears. The buckle is at least partially covered by the flexible deformation part, so that the covering area of the flexible deformation part on the buckle is increased, and the flexibility effect of the buckle is increased to the maximum extent.

Description

Shell and relay

Technical Field

The utility model discloses generally relate to power equipment technical field, particularly, relate to a shell and relay.

Background

A relay is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement.

Wherein, the shell of relay plays the installation and protects inside spare part effect, because six sides of shell all need protect and can't make integrative structure, the split type structure of two parts is made to general shell, and these two parts are fixed through buckle or other fastening modes. However, the buckling position of the buckling structure is weak, the problem of cracking easily occurs in the assembling process, and the overall reliability of the relay is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of shell and relay reduces the fracture risk, improves structural stability.

According to a first aspect of the present invention, there is provided a housing, comprising:

a first housing;

the second shell is arranged opposite to the first shell and is connected with the first shell, one of the first shell and the second shell is provided with a buckle and a flexible deformation part, the other one of the first shell and the second shell is provided with a clamping part, and the buckle is configured to be selectively clamped in the clamping part;

the flexible deformation part is at least partially wrapped and annularly arranged around the buckle and used for flexible deformation of the buckle.

In some embodiments, the flexible deformation portion is a through hole with an open end, and the open end of the through hole is disposed toward the buckle.

In some embodiments, the cross-section of the through-hole is any one of U-shaped, C-shaped, and V-shaped.

In some embodiments, the clip includes an extension arm and a clip, one end of the extension arm is connected to one of the first housing and the second housing, the other end of the extension arm is provided with the clip, and the clip is selectively clipped in the clipping portion;

wherein the flexible deformation portion is annularly disposed around the extension arm.

In some embodiments, the locking portion is a locking groove or a locking hole.

In some embodiments, the number of the buckles, the flexible deformation portions and the clamping portions is multiple, the plurality of buckles are annularly arranged around the first housing, the plurality of buckles are correspondingly clamped to the plurality of clamping portions, and the plurality of flexible deformation portions and the plurality of buckles are correspondingly arranged.

In some embodiments, the protective portion is connected to one of the first housing and the second housing, and the protective portion wraps around at least a portion of the buckle.

In some of these embodiments, the guard is a rib structure.

In some embodiments, the protection portion is a U-shaped structure, and an open end of the U-shaped structure is disposed toward the buckle.

In some of these embodiments, the protection is provided with a chamfer at a corner position.

In some of these embodiments, a gap is provided between the guard and the catch, the gap forming at least part of the flexible deformation.

In some embodiments, at least one of the first housing and the second housing includes a side plate, the side plate is provided with a plurality of buckles, two ends of the protection part are connected to the side plate, and the protection part is wrapped around the plurality of buckles.

According to a second aspect of the present invention, an embodiment of the present invention further provides a relay, including the above-mentioned housing.

The utility model discloses an embodiment has following advantage or beneficial effect:

the shell of the utility model can be connected with a container which is stored with functional materials and is provided with a plurality of holes

The shell that this embodiment provided, first casing and second casing are split type structure, just to setting up and interconnect through second casing and first casing, and first casing and second casing form an accommodation space, provide accommodation space and protect it for relay internals. One of them is provided with the buckle through first casing and second casing, and another is provided with joint portion, and the buckle is configured as the joint in joint portion to realize the fixed of first casing and second casing two parts. The buckle is configured to be selectively clamped on the clamping portion, so that the first shell and the second shell can be conveniently installed and detached. Through at least part ring around the buckle be equipped with flexible deformation portion, flexible deformation portion has increased the flexibility of buckle, forms the elasticity buckle structure this moment for buckle appears warping easily in first shell and second shell cooperation in-process, reduces the atress of first casing and second casing at the weak position of joint, reduces the risk that the fracture appears. The buckle is at least partially covered by the flexible deformation part, so that the covering area of the flexible deformation part on the buckle is increased, and the flexibility effect of the buckle is increased to the maximum extent.

The relay that this embodiment provided, the first casing and the second casing of shell are split type structure, just to setting up and interconnect through second casing and first casing, and first casing and second casing form an accommodation space, provide accommodation space and protect it for relay internals. One of them is provided with the buckle through first casing and second casing, and another is provided with joint portion, and the buckle is configured as the joint in joint portion to realize the fixed of first casing and second casing two parts. The buckle is configured to be selectively clamped on the clamping portion, so that the first shell and the second shell can be conveniently installed and detached. Through at least part ring around the buckle be equipped with flexible deformation portion, flexible deformation portion has increased the flexibility of buckle, forms the elasticity buckle structure this moment for buckle appears warping easily in first shell and second shell cooperation in-process, reduces the atress of first casing and second casing at the weak position of joint, reduces the risk that the fracture appears. The buckle is at least partially covered by the flexible deformation part, so that the covering area of the flexible deformation part on the buckle is increased, and the flexibility effect of the buckle is increased to the maximum extent.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 2 shows an exploded view of the housing of an embodiment of the invention;

fig. 3 shows a partial cross-sectional view of a housing according to an embodiment of the invention;

FIG. 4 shows an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of the housing of the present invention showing the buckle and the flexible deformation portion.

Wherein the reference numerals are as follows:

1. a first housing; 2. a second housing; 3. a protection part;

11. buckling; 111. an extension arm; 112. clamping a head; 12. a flexible deformation portion; 13. a connecting portion; 14. a side plate; 15. opening the gap; 16. a gap;

21. a clamping part.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The present embodiment provides an outer shell, as shown in fig. 1-2, the outer shell includes a first shell 1 and a second shell 2, the second shell 2 is opposite to the first shell 1 and is connected to the first shell, one of the first shell 1 and the second shell 2 is provided with a buckle 11, and the other is provided with a clamping portion 21, and the buckle 11 is configured to be selectively clamped to the clamping portion 21. Among them, the first and

second housings

1 and 2 may also be referred to as upper and lower housings.

The shell that this embodiment provided, first casing 1 and second casing 2 are split type structure, just to setting up and interconnect through second casing 2 and first casing 1, and first casing 1 and second casing 2 form an accommodation space, provide accommodation space and protect it for relay internals. One of the first casing 1 and the second casing 2 is provided with a buckle 11, and the other is provided with a clamping portion 21, and the buckle 11 is configured to be clamped in the clamping portion 21, so that the two parts of the first casing 1 and the second casing 2 are fixed. By the catch 11 being configured to be selectively caught in the catching portion 21, the mounting and dismounting between the first casing 1 and the second casing 2 is facilitated.

If the first and

second housings

1 and 2 are weak at the position where the clip 11 and the clip portion 21 are butted against each other, a problem of cracking may easily occur during the assembly process, and for this reason, the present embodiment provides a housing in which one of the first and

second housings

1 and 2 provided with the clip 11 has a flexible deformation portion 12, wherein the flexible deformation portion 12 is at least partially wrapped around and looped around the clip 11 for flexible deformation of the clip 11.

The shell that this embodiment provided is equipped with flexible deformation portion 12 through at least partly circling around buckle 11, and flexible deformation portion 12 has increased buckle 11's flexibility, forms elasticity buckle structure this moment for buckle 11 appears warping easily in first shell and second shell cooperation in-process, reduces the atress of first casing 1 and second casing 2 at the weak position of joint, reduces the risk that the fracture appears. By at least partially wrapping the buckle 11 by the flexible deformation portion 12, the covering area of the flexible deformation portion 12 on the buckle 11 is increased to maximize the flexibility effect of the buckle 11.

In particular, the engaging portion 21 is an engaging groove or an engaging hole. Specifically, the clamping portion 21 may be a clamping groove recessed towards a direction away from the chuck 112 on an inner wall of the first housing 1 or the second housing 2, and the buckle 11 at least partially extends into the clamping groove and abuts against a groove wall of the clamping groove. The clamping portion 21 can also be a clamping hole which is of a through hole structure, and at least part of the buckle 11 extends into the clamping hole and abuts against the inner wall of the clamping hole. The specific form of the engaging portion 21 is not limited in this embodiment, and it is within the scope of the present embodiment as long as the engaging position can be provided for the chuck 112.

It can be understood that the clamping hole can be a rectangular hole or other hole structures, and the specific shape of the clamping hole can be adjusted according to the actual production situation.

In one embodiment, the flexible deformation portion 12 is a through hole with an open end, and the open end of the through hole is disposed toward the buckle 11.

The flexible deformation portion 12 is a through hole, which is equivalent to that the through holes are directly formed in the first shell 1 and the second shell 2 to realize the flexible deformation of the buckle 11, and the flexible deformation portion has a simple structure, a simplified processing technology and a lower production cost. If the through-hole is the loop configuration, the through-hole can encircle and locate buckle 11 around, under the effect of through-hole, be equivalent to the through-hole with buckle 11 from first casing 1 or second casing 2 on directly tailor, make buckle 11 lack the fixed position, for this reason, open end through setting up the through-hole sets up towards buckle 11, the through-hole is open structure for one end, in order to avoid the through-hole for the influence of annular enclosed construction to buckle 11 fixed position, the through-hole is when can playing the flexible deformation effect to buckle 11 this moment, still can not influence buckle 11's positional stability.

It should be noted that the flexible deformation portion 12 is a through hole with an opening at one end, the through hole is substantially a slit structure, the width of the slit is relatively narrow, the flexible deformation of the buckle 11 is realized, and meanwhile, the slit partially surrounds the buckle 11, that is, a semi-surrounding structure is adopted, so that the unstable fixing position of the buckle 11 is avoided.

In one embodiment, the cross-section of the through-hole is any one of a U-shape, a C-shape and a V-shape.

Through having seted up "U-shaped", "C shape", "V-arrangement" through-hole around buckle 11 position, make the through-hole form the accommodation space that is used for holding buckle 11. It is understood that the opening position of the through hole is the connection position of the buckle 11 and the first casing 1 or the second casing 2.

It should be noted that the through holes are not limited to regular structures such as U-shape, C-shape and V-shape, and the through holes may be other irregular structures as long as the through holes have openings within the protection scope of the present embodiment.

In one embodiment, as shown in fig. 2 to 4, the buckle 11 includes an extension arm 111 and a chuck 112, one end of the extension arm 111 is connected to one of the first housing 1 and the second housing 2, the other end of the extension arm 111 is provided with the chuck 112, and the chuck 112 is selectively clamped to the clamping portion 21; wherein, the flexible deformation portion 12 is annularly arranged around the extension arm 111.

One end of the extension arm 111 is connected to one of the first housing 1 and the second housing 2, the extension arm 111 plays a role in connecting the housing and the chuck 112, and the extension arm 111 is equivalent to extend along the edge of the first housing 1 or the second housing 2 to form an extension end, so that the chuck 112 can be close to the clamping portion 21, and the chuck 112 and the clamping portion 21 can be connected conveniently. Wherein, dop 112 of buckle 11 is the position of being connected with joint portion 21 actual joint, extension arm 111 of buckle 11 actually provides fixed position for dop 112, locate around extension arm 111 through flexible deformation portion 12 ring, make extension arm 111's free end can remove for first casing 1 or second casing 2, thereby have certain elastic deformation volume, provide the activity for dop 112 and joint portion 21's mutual joint, avoid dop 112 and joint portion 21 butt joint process to produce the torn condition.

In one embodiment, the number of the buckles 11, the flexible deformation portions 12 and the buckling portions 21 is plural, the buckles 11 are annularly disposed around the first housing 1, the buckles 11 are correspondingly buckled to the buckling portions 21, and the flexible deformation portions 12 are correspondingly disposed to the buckles 11.

When the first housing 1 and the second housing 2 are connected, the plurality of flexible deformation portions 12 and the plurality of buckles 11 are correspondingly arranged, so that a plurality of connection positions are formed between the first housing 1 and the second housing 2, and the fixing effect between the first housing 1 and the second housing 2 is improved. Locate around first casing 1 through a plurality of buckles 11 rings, make first casing 1 along its circumference setting can both obtain good fixed all around, the equilibrium of whole structure is good. Through the corresponding setting of a plurality of flexible deformation portion 12 and a plurality of buckle 11, make every buckle 11 can both correspond with flexible deformation portion 12, guarantee the flexible deformation volume of every buckle 11.

In one embodiment, as shown in fig. 2 and 5, the housing further includes a protection part 3, the protection part 3 is connected to one of the first shell 1 and the second shell 2, and the protection part 3 is wrapped around at least a portion of the buckle 11.

Connect in one of them of first casing 1 and second casing 2 through protection part 3, first casing 1 or second casing 2 provide the mounted position for protection part 3, wrap up around at least partial buckle 11 through protection part 3, be equivalent to 3 rings of protection part locate buckle 11 around, protection part 3 plays the effect to 11 protections of buckle, avoid appearing the condition that buckle 11 collided with in the transportation or circulation in-process, in order to reach the purpose that prolongs 11 life of buckle.

In one embodiment, the protection part 3 is of a rib structure. The protection part 3 adopts a rib structure, and has a simple structure and lower production cost.

In one present embodiment, the protection part 3 is provided with chamfers at corner positions.

If the corner position of protection portion 3 is the right angle structure, then the condition that the fish tail appears easily in the sharper corner position of protection portion 3, be provided with the chamfer through the corner position department of protection portion 3, the corner of protection portion 3 is smooth structure relatively promptly, plays the effect of rounding off, reduces the risk of hard contact fish tail.

In one embodiment, the protection part 3 is a U-shaped structure, and the open end of the U-shaped structure is disposed toward the buckle 11.

For the U-shaped structure through protection portion 3, the inner space of protection portion 3 provides accommodation space for buckle 11, and the lateral wall of protection portion 3 plays the effect of carrying out outside protection to buckle 11. The open end through the U-shaped structure sets up towards buckle 11, utilizes the open end of U-shaped structure, and the inside of protection part 3 is put into to buckle 11 of being convenient for.

It should be noted that the protection portion 3 of the U-shaped structure is equivalent to a half of the rectangular ring, that is, the rectangular ring is cut along the central axis of the rectangular ring in the length direction to obtain two semi-ring structures, which are the protection portions 3 of the U-shaped structure, so as to wrap at least part of the buckle 11.

In one embodiment, at least one of the first and

second cases

1 and 2 includes a side plate 14, the side plate 14 is provided with a plurality of hooks 11, both ends of the protector 3 are connected to the side plate 14, and the protector 3 is wrapped around the plurality of hooks 11.

At least one of the first shell 1 and the second shell 2 comprises a side plate 14, the side plate 14 is provided with a plurality of buckles 11, and for each side plate 14, the plurality of buckles 11 are arranged on each side plate 14, so that the fixing effect of each side plate 14 is ensured. The protection part 3 is wrapped around the plurality of buckles 11, and the protection part 3 can simultaneously surround the positions of the two buckles 11.

For example, two buckles 11 are disposed on the side plate 14, two buckles 11 are disposed at two ends of the side plate 14 along the extending direction of the side plate 14, in this case, a connecting portion 13 extends at the edge of the side plate 14 close to the buckle 11, and the connecting portion 13 is disposed between the two buckles 11 to play a role of intermediate connection. It can be understood that both ends of the protection part 3 are connected to both ends of the side plate 14 and located outside the two clasps 11, and the middle part of the protection part 3 is connected to the connecting part 13, so that the connection stability between the protection part 3 and the side plate 14 is ensured.

In one embodiment, a gap 16 is provided between the protector 3 and the catch 11, the gap 16 forming at least part of the flexible deformation 12.

Because the through hole is at least partially wrapped on the buckle 11, the protection part 3 is wrapped on at least part of the buckle 11, in order to prevent the through hole and the protection part 3 from interfering with each other, a gap 16 is formed between the protection part 3 and the buckle 11, the gap 16 forms at least part of the flexible deformation part 12, namely, along the height direction of the first shell 1, the sides, close to each other, of the protection part 3 and the buckle 11 are not mutually attached, but have a certain gap 16, so that the protection part 3 and the buckle 11 are mutually staggered, and at the moment, the gap 16 forms the bottom space of the U-shaped through hole. In the extending direction of the first housing 1, the sides of the protection part 3 and the buckle 11 close to each other are not attached to each other, but have a certain gap 16, so that the protection part 3 and the buckle 11 are staggered from each other, and the gap 16 forms one of the side wall spaces of the U-shaped through hole. The sides of the connecting portion 13 and the catch 11 that are close to each other do not abut against each other in the extending direction of the first housing 1, but have a certain gap 16 so that the connecting portion 13 and the catch 11 are offset from each other, and the gap 16 forms another side wall space of the U-shaped through hole.

It is understood that the protecting portion 3 and the side plate 14 may be an integrally formed structure, and the protecting portion 3 and the side plate 14 may also be a split structure. When the protection part 3 and the side plate 14 can be of an integrally formed structure, through holes can be formed at the lower end of the side plate 14 and around the buckle 11, and the part of the side plate 14 at the lower end of the through hole is the protection part 3; when the protection part 3 and the side plate 14 are of a split structure, the buckle 11 is processed on the side plate 14, a gap 15 is formed between the buckle 11 and the connecting part 13, the gap 15 is of a strip structure, then the protection part 3 simultaneously surrounds the peripheries of the two buckles 11, one sides of the protection part 3, which are close to each other, are not directly attached, but a certain gap 16 exists, the gap 16 is of a ' or ' L ' -shaped structure, and at the moment, the gap 16 and the gap 15 jointly form a through hole of a U-shaped structure.

Another aspect of the present invention provides a relay, including the above-mentioned housing.

Through at least partly the ring is equipped with flexible deformation portion 12 around buckle 11, flexible deformation portion 12 has increased buckle 11's flexibility, forms the 11 structure of elasticity buckle this moment for buckle 11 appears warping easily in first shell and second shell cooperation in-process, reduces the atress of first casing 1 and second casing 2 at the weak position of joint, reduces the risk that the fracture appears. The buckle 11 is at least partially covered by the flexible deformation part 12, so that the covering area of the flexible deformation part 12 on the buckle 11 is increased, and the flexibility effect of the buckle 11 is increased to the maximum extent.

It will be appreciated that the housing is primarily intended to house the internal components of the relay, such as the electromagnetic unit, the movable and stationary contacts, etc.

It is noted herein that the housing shown in the drawings and described in the specification is merely one example of an implementation of the principles of the invention. It should be clearly understood by those skilled in the art that the principles of the present invention are not limited to any of the details or any of the components of the apparatus shown in the drawings or described in the specification.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the description. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present invention. The embodiments set forth herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims

1. An enclosure, comprising:

a first housing (1);

the second shell (2) is arranged opposite to the first shell (1) and connected with the first shell (1), one of the first shell (1) and the second shell (2) is provided with a buckle (11) and a flexible deformation part (12), the other one of the first shell and the second shell is provided with a clamping part (21), and the buckle (11) is configured to be selectively clamped in the clamping part (21);

wherein the flexible deformation part (12) is at least partially wrapped and annularly arranged around the buckle (11) and used for flexible deformation of the buckle (11).

2. The housing according to claim 1, characterized in that the flexible deformation (12) is a through hole open at one end, the open end of the through hole facing the snap (11) 3.

3. The housing of claim 2, wherein the through-hole has a cross-section of any one of a U-shape, a C-shape, and a V-shape.

4. The housing according to claim 1, wherein the buckle (11) comprises an extension arm (111) and a clip (112), one end of the extension arm (111) is connected to one of the first shell (1) and the second shell (2), the other end of the extension arm (111) is provided with the clip (112), and the clip (112) is selectively clipped to the clipping portion (21);

wherein the flexible deformation part (12) is arranged around the extension arm (111) in a surrounding manner.

5. The housing according to claim 1, characterized in that the snap-in portions (21) are snap-in grooves or snap-in holes.

6. The shell according to claim 1, wherein the number of the buckles (11), the flexible deformation portions (12) and the clamping portions (21) is plural, the plurality of buckles (11) are annularly arranged around the first shell (1), the plurality of buckles (11) are correspondingly clamped to the plurality of clamping portions (21), and the plurality of flexible deformation portions (12) and the plurality of buckles (11) are correspondingly arranged.

7. The housing according to any of claims 1 to 6, further comprising a protector (3), wherein the protector (3) is connected to one of the first shell (1) and the second shell (2), and wherein the protector (3) is wrapped around at least part of the clasp (11).

8. A housing according to claim 7, characterized in that the protection (3) is of a ribbed structure.

9. The housing according to claim 7, characterized in that the protection part (3) is a U-shaped structure, the open end of which is arranged towards the catch (11).

10. A housing according to claim 7, characterized in that the corner positions of the protection (3) are provided with chamfers.

11. Housing according to claim 7, characterized in that a gap is provided between the protection (3) and the catch (11), said gap forming at least part of the flexible deformation (12).

12. The casing according to claim 7, characterized in that at least one of said first shell (1) and said second shell (2) comprises a side plate (14) provided with a plurality of catches (11), said protection (3) being connected at both ends to said side plate (14), said protection (3) being wrapped around a plurality of said catches (11).

13. A relay, characterized in that it comprises a housing according to any one of claims 1-12.