CN213870580U

CN213870580U - Knob locking device

Info

Publication number: CN213870580U
Application number: CN202022977018.0U
Authority: CN
Inventors: 杨军
Original assignee: Android Shenzhen Industrial Control Equipment Co ltd
Current assignee: Android Shenzhen Industrial Control Equipment Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-03
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a knob locking device, it includes that upper cover and lower cover connect the casing that forms, and the upper cover includes first stationary hump and second stationary hump, and the second stationary hump is located first stationary hump, and the fixed bellied week side of second is provided with relative L shape spacing groove, and the lower cover includes first constant head tank and second constant head tank, and the second constant head tank is located first constant head tank, and the week side of second constant head tank is provided with relative stopper. The utility model discloses a knob locking device, it is through stretching the lower cover to the upper cover, and first fixed protrusion is located first constant head tank, and second fixed protrusion is located the second constant head tank, and the stopper is located the spacing inslot, through rotating the lower cover, because the spacing groove is L shape, the stopper stretches into the spacing inslot and covers the lower cover buckle on last, and simple structure has reduced installation steps, installation and convenient to use.

Description

Knob locking device

Technical Field

The utility model relates to a knob locking technical field, in particular to knob locking device.

Background

In our life, the mode of rotatory locking is everywhere visible in daily life, for example knob modes such as bottle lid, screw, and general common mode is threaded connection, and threaded connection is a wide use detachable fixed connection, connects reliably, and knob locking device among the prior art, the knob number of turns is more, and the assembling process is more loaded down with trivial details, and the assembly is more wasted time and energy, and it is inconvenient to use.

It is therefore desirable to provide a knob locking device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a knob locking device to solve the knob locking device among the prior art, the knob number of turns is more, and the assembling process is more loaded down with trivial details, and the assembly is more wasted time and energy, uses inconvenient problem.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a knob locking device, includes the casing that upper cover and lower cover connection formed, the upper cover includes first stationary hump and second stationary hump, the second stationary hump is located on the first stationary hump, the protruding week side of second stationary hump is provided with relatively and is used for fixing the L shape spacing groove of lower cover, the lower cover includes first constant head tank and second constant head tank, the second constant head tank is located first constant head tank, week side of second constant head tank is provided with the stopper relatively, the stopper with spacing groove position is relative, the lower cover passes through the stopper stretches into and rotatory buckle is in spacing inslot, thereby will the lower cover is fixed on the upper cover.

The utility model discloses in, the spacing groove includes first sulculus and second sulculus, first sulculus is located one side of second sulculus, the second sulculus with the upper portion of first sulculus communicates with each other, the opening of first sulculus with the fixed bellied diapire of second communicates with each other.

The utility model discloses in, first microgroove open-ended both sides all are provided with the chamfer.

The utility model discloses in, the one end of second cell bottom is provided with first spacing arch, the one end of stopper diapire is provided with the spacing arch of second, the stopper stretches into in the second cell, first spacing protruding buckle is in the spacing arch of second, so that be used for with the lower cover buckle is in cover on.

The utility model discloses in, the fixed arch of second includes first spacing face, the second constant head tank includes the spacing face of second, first spacing face with the spacing face position of second is relative.

The utility model discloses in, the lower part of lower cover is provided with the base, the diameter of base is greater than the diameter of lower cover.

The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a knob device, it is through stretching into the upper cover with the lower cover in, the first fixed protrusion of upper cover is located first positioning groove, first positioning groove is used for spacing first fixed protrusion, the second fixed protrusion is located the spacing arch of second, the spacing arch of second is used for spacing second fixed protrusion, the stopper is located first sulcus, continue to stretch into the upper cover with the lower cover in, the stopper gets into the top of first sulcus from the opening of first sulcus, through rotatory lower cover, the stopper gets into the second sulcus from first sulcus, the spacing arch of second passes the spacing arch of second, the spacing arch of second is used for fixing the stopper, prevent lower cover and upper cover separation, moreover, the steam generator is simple in structure, the assembly is swift, high durability and convenient use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is an exploded view of the knob locking device of the present invention.

Fig. 2 is a perspective view of the upper cover of the knob locking device of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a perspective view of the lower cover of the knob device of the present invention.

Fig. 5 is a partially enlarged view of a portion B in fig. 4.

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. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Knob locking device among the prior art, the knob number of turns is more, and the assembly process is more loaded down with trivial details, and the assembly is more wasted time and energy, uses inconveniently.

The present invention provides a preferred embodiment of a knob locking device that can solve the above technical problems.

Please refer to fig. 1, fig. 2 and fig. 4, wherein fig. 1 is an exploded view of the knob locking device of the present invention, fig. 2 is a perspective view of the upper cover of the knob locking device of the present invention, and fig. 4 is a perspective view of the lower cover of the knob device of the present invention.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.

The utility model provides a pair of knob locking device, connect the casing 11 that forms including upper cover 111 and lower cover 112, upper cover 111 with including first fixed protrusion 1111 and second fixed protrusion 1112, second fixed protrusion 1112 is located first fixed protrusion 1111, the week side of second fixed protrusion 1112 is provided with the L shape spacing groove 31 that is used for fixed lower cover 112 relatively, lower cover 112 includes first constant head tank 1121 and second constant head tank 1122, second constant head tank 1122 is located first constant head tank 1121, the week side of second constant head tank 1122 is provided with stopper 1123 relatively, stopper 1123 is relative with spacing groove 31 position, lower cover 112 stretches into and rotatory buckle in spacing groove 31 through stopper 1123, thereby fix lower cover 112 on upper cover 111.

Wherein, the first fixing protrusion 1111 and the second fixing protrusion 1112 are located under the upper cover 111, the second fixing protrusion 1112 is located on the first fixing protrusion 1111, the first positioning groove 1121 and the second positioning groove 1122 are located on the lower cover 112, the second positioning groove 1122 is located in the first positioning groove 1121, the second fixing protrusion 1112 comprises a positioning groove 31, the second positioning groove 1122 comprises a positioning block 1123, the positioning groove 31 is opposite to the positioning block 1123, when the lower cover 112 is extended toward the upper cover 111, the first fixing protrusion 1111 is located in the first positioning groove 1121 due to the action of the first fixing protrusion 1111, the first positioning groove 1121 is used for placing the upper cover 111, the second fixing protrusion 1112 is located in the second positioning groove 1122, the positioning block 1123 is extended into the positioning groove 31, when the lower cover 112 is rotated, the positioning block 3 enters the other end of the bottom of the positioning groove 31 from one end 112of the bottom of the positioning groove 31, thereby connecting the upper cover 111 and the lower cover 112 together, simple structure, the assembly is swift, convenient to use.

Referring to fig. 3, fig. 3 is a partial enlarged view of a portion a in fig. 2, the limiting groove 31 includes a first small groove 311 and a second small groove 312, the first small groove 311 is located at one side of the second small groove 312, the second small groove 312 is communicated with an upper portion of the first small groove 311, the lower cover 112 is separated from the upper cover 111 after the limiting block 1123 is prevented from entering the limiting groove 31, an opening of the first small groove 311 is communicated with a bottom wall of the second fixing protrusion 1112, so that the limiting block 1123 can conveniently extend into the limiting groove 31 from below, chamfers 3111 are disposed on two sides of the opening of the first small groove 311, and the chamfers 3111 are used for facilitating the limiting block 1123 to extend into the limiting groove 31.

Referring to fig. 5, fig. 5 is a partial enlarged view of a portion B in fig. 4, a first limiting protrusion 3121 is disposed at one end of the bottom of the second small groove 312, a second limiting protrusion 11231 is disposed at one end of the bottom wall of the limiting block 1123, the limiting block 1123 extends into the second small groove 312, the first limiting protrusion 3121 is snapped into the second limiting protrusion 11231 to snap the lower cover 112 onto the upper cover 111, after the second limiting protrusion 11231 of the limiting block 1123 rotates into the second small groove 312, the second limiting protrusion 11231 passes through the first limiting protrusion 3121, and the first limiting protrusion 3121 limits the second limiting protrusion 11231 into the second small groove 312, so as to prevent the lower cover 112 and the upper cover 111 from being separated.

The second fixing protrusion 1112 comprises a first limiting surface 1113, the second positioning groove 1122 comprises a second limiting surface 11221, the first limiting surface 1113 and the second limiting surface 11221 are opposite in position, the first limiting surface 1113 is used for limiting the second limiting surface 11221 and preventing the lower cover 112 from continuing to rotate, the lower portion of the lower cover 112 is further provided with a base 12, the diameter of the base 12 is larger than that of the lower cover 112, and the base 12 is used for supporting the housing 11 and preventing the housing 11 from toppling or tilting.

The working principle is as follows:

the housing 11 includes an upper cover 111 and a lower cover 112, the upper cover 111 includes a first fixing protrusion 1111 and a second fixing protrusion 1112, the second fixing protrusion 1112 is located on the first fixing protrusion 1111, the L-shaped limiting groove 31 disposed oppositely is located on the periphery of the second fixing protrusion 1112, the limiting groove 31 includes a first small groove 311 and a second small groove 312, an opening at one end of the first small groove 311 is communicated with the bottom wall of the second fixing protrusion 1112, the second small groove 312 is communicated with the other end of the first small groove 311, a first limiting protrusion 3121 is disposed at the bottom of the second small groove 312, the lower cover 112 includes a first positioning groove 1121 and a second positioning groove 1122, the second positioning groove 1122 is located in the first positioning groove 1121, an oppositely disposed limiting block 1123 is located on the periphery of the second positioning groove 1122, and the bottom wall of the limiting block 1123 is provided with the second limiting protrusion 11231.

When the upper cover 111 and the lower cover 112 are to be fixed, the lower cover 112 is firstly inserted from the bottom wall of the upper cover 111, the first fixing protrusion 1111 is located in the first positioning groove 1121, the first positioning groove 1121 is used for limiting the position of the upper cover 111 to prevent the upper cover 111 from being inserted into the lower cover 112, the second fixing protrusion 1112 is located in the second positioning groove 1122, the limiting block 1123 is inserted into the top of the first small groove 311 from the buckle of the first small groove 311 of the limiting groove 31, the top of the limiting block 1123 is attached to the top of the first small groove 311, by rotating the lower cover 112, since the second small groove 312 is communicated with the top of the first small groove 311, when the lower cover 112 is rotated, the limiting block 1123 rotates towards the second small groove 312, after the second limiting protrusion 11231 of the limiting block 1123 passes through the first limiting protrusion 3121 of the second small groove 312, the first limiting protrusion 3121 limits the second limiting protrusion 11231, and the lower cover 112 is buckled on the first limiting protrusion 3121 by the second limiting protrusion 11231, the first limiting protrusion 3121 prevents the second limiting protrusion 11231 from moving toward the first small groove 311, and simultaneously, the first limiting surface 1113 of the second fixing protrusion 1112 and the second limiting surface 11221 of the second positioning groove 1122 are attached to prevent the lower cover 112 from continuing to rotate after the lower cover 112 and the upper cover 111 are fixed, so that the upper cover 111 and the lower cover 112 are stably connected, and the structure is simple, the assembly is fast, and the use is convenient.

The knob locking device of the preferred embodiment is characterized in that the lower cover is stretched into the upper cover, a first fixing protrusion of the upper cover is located in a first positioning groove, the first positioning groove is used for limiting a first fixing protrusion, a second fixing protrusion is located in a second limiting protrusion, the second limiting protrusion is used for limiting a second fixing protrusion, the limiting block is located in a first small groove, the lower cover is continuously stretched into the upper cover, the limiting block enters the top of the first small groove from an opening of the first small groove, through rotating the lower cover, the limiting block enters the second small groove from the first small groove, the first limiting protrusion of the second small groove penetrates through the second limiting protrusion, the second limiting protrusion is used for fixing the limiting block, the lower cover is prevented from being separated from the upper cover, the structure is simple, the assembly is rapid, and the use is convenient.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. The utility model provides a knob locking device, its characterized in that, connects the casing that forms including upper cover and lower cover, the upper cover includes first stationary hump and second stationary hump, the second stationary hump is located on the first stationary hump, the protruding week side of second stationary hump is provided with relatively and is used for fixing the L shape spacing groove of lower cover, the lower cover includes first constant head tank and second constant head tank, the second constant head tank is located first constant head tank, week side of second constant head tank is provided with the stopper relatively, the stopper with spacing trench position is relative, the lower cover passes through the stopper stretches into and rotatory buckle is in spacing inslot, thereby will the lower cover is fixed on the upper cover.

2. The knob locking device according to claim 1, wherein the limiting groove includes a first small groove and a second small groove, the first small groove is located at one side of the second small groove, the second small groove communicates with an upper portion of the first small groove, and an opening of the first small groove communicates with a bottom wall of the second fixing projection.

3. The knob locking device according to claim 2, wherein both sides of the first small groove opening are provided with chamfers.

4. The knob locking device according to claim 2, wherein a first limiting protrusion is disposed at one end of the bottom of the second small groove, a second limiting protrusion is disposed at one end of the bottom wall of the limiting block, the limiting block extends into the second small groove, and the first limiting protrusion is fastened in the second limiting protrusion to fasten the lower cover to the upper cover.

5. The knob locking device according to claim 1, wherein said second fixing protrusion includes a first stopper surface, said second positioning groove includes a second stopper surface, and said first stopper surface and said second stopper surface are located opposite to each other.

6. The knob locking device according to claim 1, wherein a lower portion of the lower cover is provided with a seat having a diameter larger than that of the lower cover.