CN217546490U

CN217546490U - Casing upper cover fixed knot constructs

Info

Publication number: CN217546490U
Application number: CN202221131929.4U
Authority: CN
Inventors: 雷孟拴; 张�杰; 朱选才
Original assignee: Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Current assignee: Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-04
Anticipated expiration: 2032-05-11

Abstract

The utility model relates to a fastener technical field, in particular to casing upper cover fixed knot constructs, including upper cover and casing, the upper cover be connected with first cooperation portion, the casing on slide and be equipped with second cooperation portion, second cooperation portion be connected with the driver part of its motion of drive, first cooperation portion be equipped with first spacing groove, second cooperation portion be equipped with the first fixture block that matches with first spacing groove, second cooperation portion be equipped with the second spacing groove, first cooperation portion be equipped with second spacing groove complex second fixture block, the utility model discloses a first cooperation portion and second cooperation portion all set up fixture block and spacing groove, are equivalent to dual spacing, and it is effectual to fasten.

Description

Casing upper cover fixed knot constructs

Technical Field

The utility model relates to a fastener technical field, in particular to casing upper cover fixed knot constructs.

Background

The existing casing and the upper cover (such as a photovoltaic inverter, i.e. a device for converting solar photovoltaic radiant energy into alternating current energy) are basically in a front-surface locking screw structure or a back-surface locking screw structure. The front lock screw structure is convenient for field installation personnel to disassemble and assemble, the whole appearance is influenced, and the back lock screw structure is difficult to disassemble and assemble on the field. Therefore, in order not to affect the overall beauty, a side lock screw fixing structure is adopted, for example, the patent with the patent number of CN212463698U and the name of the Internet of things case with a buckle clamping structure adopts the matching of a clamping rod and a fixed rod, generally the matching of the rod and a hole, only one matching pair is provided, and the fastening effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the fastening effect of the side-mounted shell upper cover fixing structure is not good in the prior art, the utility model provides a better shell upper cover fixing structure of fastening effect.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a casing upper cover fixed knot constructs, includes upper cover and casing, the upper cover be connected with first cooperation portion, the casing on slide and be equipped with second cooperation portion, second cooperation portion be connected with the drive part of its motion of drive, first cooperation portion be equipped with first spacing groove, second cooperation portion be equipped with the first fixture block that first spacing groove matches, second cooperation portion be equipped with the second spacing groove, first cooperation portion be equipped with second spacing groove complex second fixture block.

Furthermore, the bottom surface of the first fixture block is in contact with the top surface of the second fixture block. The first clamping block and the second clamping block are arranged adjacently and are meshed with each other, and the structure is compact.

Furthermore, the bottom surface of the first clamping block and the top surface of the second clamping block are mutually matched wedge surfaces. The two wedge surfaces are matched with each other, so that the first matching part and the second matching part can be matched tightly, the first matching part and the second matching part are matched more tightly along with the mutual approach of the first matching part and the second matching part, the phenomenon of shaking caused by a gap (including a gap between a rod and a hole or a gap between a surface and a plane) caused by machining precision can not be generated, and the matching is more stable;

furthermore, the driving part comprises a driving screw which extends into the shell from the side surface of the shell and is in threaded connection with the second matching part,

furthermore, the shell is provided with an anti-falling mechanism for preventing the driving screw from falling off.

Furthermore, anti-disengaging mechanism including setting up the fitting pin on the casing, the drive screw on be equipped with the bulge loop, the fitting pin thereby stretch into and be used for blocking the bulge loop in the casing and prevent that the drive screw from deviating from.

Furthermore, a spring is arranged between the second matching part and the shell, and the second matching part moves towards the direction far away from the first matching part due to the elastic force exerted by the spring.

Further, the casing be equipped with the first spacing portion that is used for restricting drive screw length of stretching into and the spacing portion of second that is used for restricting the most inboard position of second cooperation portion, during initial position, drive screw by first spacing portion spacing, second cooperation portion spacing by the spacing portion of second, and the outer end of drive screw and the side parallel and level of casing.

Further, in the initial position, the fastening pin and the convex ring have a set distance.

Furthermore, the first matching part is fixedly connected with the upper cover through a fastening screw, and the upper cover is hinged with the shell.

Has the advantages that:

(1) The first matching part and the second matching part of the utility model are both provided with the fixture block and the limiting groove, which is equivalent to double limiting and has good fastening effect;

(2) The bottom surface of the first fixture block and the top surface of the second fixture block are wedge surfaces which are matched with each other, the first matching part and the second matching part can be matched tightly through the mutual matching of the two wedge surfaces, the first matching part and the second matching part are matched more tightly along with the mutual approaching of the first matching part and the second matching part, the phenomenon of shaking caused by a gap caused by machining precision cannot be generated, and the matching is more stable;

(3) The driving screw of the fixing structure of the upper cover of the shell is arranged on the shell and extends into the shell from the side surface of the shell to drive the second matching part, so that the positive appearance of the product is not influenced;

(4) The driving screw is screwed and unscrewed to drive the second matching part to be close to or far away from the first matching part, so that the operation is simple;

(5) By arranging the initial position of the driving screw to be flush with the side surface of the shell, when the driving screw is slightly screwed out of the shell, the corresponding second limiting part reaches the innermost limiting position, and at the moment, the upper cover can be opened, namely, the limiting can be realized through the position of the driving screw;

(6) A spring is arranged between the second limiting part and the shell, so that the second limiting part can be restored, and the second limiting part can be pushed to the innermost limiting position when the second limiting part is installed at the initial position, so that the initial position can be conveniently positioned by driving a screw;

(7) Realize spacingly through the knock pin to the bulge loop of drive screw, prevent that drive screw from deviating from, in addition, initial position knock pin has certain distance before with the bulge loop of drive screw, and when only drive screw twisted out certain distance, the knock pin just contacted with the bulge loop to do not need the knock pin to block in bulge loop one side always, thereby can realize reducing the wearing and tearing of bulge loop and knock pin when drive screw is spacing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an external perspective view of the fixing structure of the upper cover of the housing of the present invention;

FIG. 2 is an exploded view of the first and second mating portions and the drive and fastening screws;

fig. 3 is a partial sectional view of the fixing structure of the present invention;

fig. 4 is a partial perspective view of the hidden upper cover.

The clamping device comprises a base, an upper cover, 1-1 parts, a first matching part, 1-11 parts, a first limiting groove, 1-12 parts, a second clamping block, 1-121 parts, a top surface, 2 parts, a shell, 2-1 parts, a second matching part, 2-11 parts, a first clamping block, 2-111 parts, a bottom surface, 2-12 parts, a second limiting groove, 3 parts, a driving screw, 3-1 parts, a convex ring, 4 parts, a fastening pin, 5 parts, a spring, 6 parts, a fastening screw, 7 parts and a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 4, for the fixing structure of the upper cover of the housing of the present invention, the upper cover 1 is connected with a first matching portion 1-1, the housing 2 is slidably provided with a second matching portion 2-1, the second matching portion 2-1 is connected with a driving component for driving the housing to move, the driving component includes a driving screw 3, and the driving screw 3 extends into the housing from the side of the housing 2 and is connected with the second matching portion 2-1 by a screw thread. The first matching part 1-1 is provided with a first limiting groove 1-11, the second matching part 2-1 is provided with a first clamping block 2-11 matched with the first limiting groove 1-11, the second matching part 2-1 is provided with a second limiting groove 2-12, and the first matching part 1-1 is provided with a second clamping block 1-12 matched with the second limiting groove 2-12.

The bottom surface 2-111 of the first block 2-11 contacts the top surface 1-121 of the second block 1-12. The bottom surface 2-111 of the first block 2-11 and the top surface 1-121 of the second block 1-12 may be set as horizontal surfaces, and preferably, the bottom surface 2-111 of the first block 2-11 and the top surface 1-121 of the second block 1-12 are wedge surfaces which are matched with each other. Through the mutual matching of the two wedge surfaces, the first matching part 1-1 and the second matching part 2-1 can be tightly matched, and the first matching part 1-1 and the second matching part 2-1 are closer to each other to be more tightly matched, so that the phenomenon of shaking caused by the clearance caused by the machining precision can not be generated, and the matching is more stable.

The housing 2 is provided with an anti-drop mechanism for preventing the drive screw 3 from dropping out. The anti-falling mechanism comprises a fastening pin 4 arranged on the shell 2, a convex ring 3-1 is arranged on the driving screw 3, and the fastening pin 4 extends into the shell 2 and is used for blocking the convex ring 3-1 so as to prevent the driving screw 3 from falling off.

A spring 5 is arranged between the second matching part 2-1 and the shell 2, and the second matching part 2-1 moves in the direction away from the first matching part 1-1 by the elastic force exerted by the spring 5.

The shell 2 is provided with a first limiting part for limiting the extending length of the driving screw 3 and a second limiting part for limiting the innermost position of the second matching part 2-1, when in an initial position, the driving screw 3 is limited by the first limiting part, the second matching part 2-1 is limited by the second limiting part, and the outer end of the driving screw 3 is flush with the side surface of the shell 2. The first limiting part may be a limiting wall disposed at the innermost side for the driving screw 3 to abut against, and the second limiting part may take the form of a step.

In the initial position, the fastening pin 4 and the convex ring 3-1 have a set distance therebetween, and the set distance may be several millimeters and is set as required.

The first matching part 1-1 is fixedly connected with the upper cover 1 through a fastening screw 6, and the upper cover 1 is hinged with the shell 2. The upper cover 1 is rotatable with respect to the housing 2 centering on the rotation shaft 7.

When the upper cover 1 and the shell 2 are fixed, firstly, the upper cover 1 and the shell 2 are connected through a rotating shaft 7, the first matching part 1-1 is screwed on the upper cover 1 through a fastening screw 6, and the second matching part 2-1 and a guide screw driving screw are installed on the shell 2;

the working principle is as follows:

a spring 5 is arranged between the second matching part 2-1 and the shell 2, the second matching part 2-1 is installed at an initial position when the spring 5 is pushed to the innermost side, the innermost limit position of the second matching part 2-1 is limited by arranging a step at the limit position through a guide rail on the shell 2, and the drive screw 3 is screwed to the outermost end of the drive screw to be flush with the side wall of the shell 2.

When the upper cover 1 and the shell 2 need to be fastened, the upper cover 1 is put down, the second matching part 2-1 is close to the first matching part 1-1 by screwing the driving screw 3 clockwise, and the upper cover 1 and the shell 2 are fastened by the matching fastening force of the first matching part 1-1 and the second matching part 2-1;

when the upper cover 1 and the shell 2 need to be disassembled, the second matching part 2-1 slides inwards under the action of the spring 5 and is gradually separated from the first matching part 1-1 by unscrewing the driving screw 3 anticlockwise, when the second matching part 2-1 reaches the innermost limit position, the driving screw 3 is continuously unscrewed, the driving screw 3 slightly exceeds the side wall of the shell 2, the description is in place, screwing is finished, and then the upper cover 1 is opened.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The fixing structure of the upper cover of the shell is characterized by comprising the upper cover (1) and the shell (2), wherein the upper cover (1) is connected with a first matching part (1-1), the shell (2) is provided with a second matching part (2-1) in a sliding mode, the second matching part (2-1) is connected with a driving part for driving the second matching part to move, the first matching part (1-1) is provided with a first limiting groove (1-11), the second matching part (2-1) is provided with a first clamping block (2-11) matched with the first limiting groove (1-11), the second matching part (2-1) is provided with a second limiting groove (2-12), and the first matching part (1-1) is provided with a second clamping block (1-12) matched with the second limiting groove (2-12).

2. A housing upper cover fixing structure according to claim 1, wherein: the bottom surface (2-111) of the first fixture block (2-11) is contacted with the top surface (1-121) of the second fixture block (1-12).

3. A housing upper cover fixing structure according to claim 1, wherein: the bottom surface (2-111) of the first fixture block (2-11) and the top surface (1-121) of the second fixture block (1-12) are mutually matched wedge surfaces.

4. A housing upper cover fixing structure according to claim 1, wherein: the driving part comprises a driving screw (3), and the driving screw (3) extends into the shell (2) from the side surface and is in threaded connection with the second matching part (2-1).

5. A housing upper cover fixing structure according to claim 4, wherein: the shell (2) is provided with an anti-falling mechanism for preventing the driving screw (3) from falling off.

6. A housing upper cover fixing structure according to claim 5, wherein: the anti-falling mechanism comprises a fastening pin (4) arranged on the shell (2), a convex ring (3-1) is arranged on the driving screw (3), and the fastening pin (4) extends into the shell (2) and is used for blocking the convex ring (3-1) so as to prevent the driving screw (3) from falling off.

7. A housing upper cover fixing structure according to claim 6, wherein: a spring (5) is arranged between the second matching part (2-1) and the shell (2), and the second matching part (2-1) moves towards the direction far away from the first matching part (1-1) due to the elastic force exerted by the spring (5).

8. A housing upper cover fixing structure according to claim 7, wherein: casing (2) be equipped with the first spacing portion that is used for restricting drive screw (3) and stretches into length and the spacing portion of second that is used for restricting the most inboard position of second cooperation portion (2-1), initial position time, drive screw (3) spacing by first spacing portion, second cooperation portion (2-1) spacing by the spacing portion of second, and the outer end of drive screw (3) and the side parallel and level of casing (2).

9. A housing upper cover fixing structure according to claim 8, wherein: in the initial position, the fastening pin (4) and the convex ring (3-1) have a set distance.

10. A housing upper cover fixing structure according to claim 1, wherein: the first matching part (1-1) is fixedly connected with the upper cover (1) through a fastening screw (6), and the upper cover (1) is hinged with the shell (2).