CN210743851U

CN210743851U - Lock catch indicating knob of control and protection switch

Info

Publication number: CN210743851U
Application number: CN201922176929.0U
Authority: CN
Inventors: 孙杰; 周健; 乔飞
Original assignee: Jiangsu Youpin Electric Co ltd
Current assignee: Jiangsu Youpin Electric Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-12
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a control and protection switch's hasp indicating knob, including switch housing, transmission square shaft and knob, the switch housing top surface is equipped with the opening, the transmission square shaft passes the opening sets up, the knob cover is established and is fixed epaxial the inserting of transmission square in the opening, the knob side has been seted up and has been held the chamber, it is equipped with the hasp structure to hold the intracavity, the other intercommunication that is equipped with of opening with the draw-in groove that the hasp structure matches, the hasp structure inserts locking in the draw-in groove the knob. The utility model can effectively avoid the damage of the internal transmission mechanism and the potential safety hazard caused by the switch being turned on or turned off by misoperation in a specific working state (such as maintenance) through the matching of the lock catch structure and the clamping groove with the locking knob; when presetting hasp structure and draw-in groove and corresponding simultaneously, the switch is in the switch and opens or the off-state, and the draw-in groove can play clear and definite instruction effect to the state of switch, avoids the maloperation.

Description

Lock catch indicating knob of control and protection switch

Technical Field

The utility model relates to a control and protection switch technical field, concretely relates to control and protection switch's hasp indication knob.

Background

The control protection switch product adopts a modularized single product structure type, integrates the main functions of a traditional circuit breaker (fuse), a contactor, an overload (or overcurrent and phase failure) protection relay, a starter, an isolator and the like, is used on an electric device in a large quantity, and can play a role in controlling the running state of the electric device and protecting the electric device.

At present, the on and off of a control and protection switch are generally controlled by a knob, and a transmission square shaft is connected below the knob in a transmission way so as to control an internal circuit switch. The control knob of present switch does not have clear indication position, does not have locking means yet, and the condition of staff's maloperation knob probably appears under specific operating condition to lead to inside drive mechanism's damage, there is the potential safety hazard. For example, in the process of equipment maintenance, a power supply is required to be disconnected for inspection in order to ensure safety, and the control knob of the locking device is not clearly indicated at this time, so that the potential safety hazard of misoperation and energization exists, and therefore, the development of the lock catch indication knob of the control and protection switch is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a control and protection switch's hasp indicating knob, this knob can solve current knob and do not clearly indicate the position, also do not have locking means, easily take place the maloperation, lead to incident and the technical problem of inside drive mechanism damage under specific operating condition.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a control and protection switch's hasp indicating knob, includes switch housing, transmission square shaft and knob, the switch housing top surface is equipped with the opening, the transmission square shaft passes the opening sets up, the knob cover is established and is fixed epaxial the inserting of transmission square in the opening, the knob side has been seted up and has been held the chamber, it is equipped with the hasp structure to hold the intracavity, the other intercommunication that is equipped with of opening with the draw-in groove that the hasp structure matches, the hasp structure inserts locking in the draw-in groove the knob.

Compared with the prior art, the beneficial effect of above-mentioned scheme is:

the utility model discloses the knob cover is established and is fixed on the transmission square shaft, controls opening and closing of switch through rotating the knob, and the knob side is equipped with the chamber that holds that is used for holding the hasp structure, and the opening of switch shell is by being equipped with the draw-in groove of intercommunication, and when the knob rotated to hasp structure and draw-in groove corresponding position, can pull out hasp structure by holding the chamber and insert the locking knob direction in the draw-in groove, and the knob is in the locking state this moment, can effectively avoid opening or closing the switch and cause inside drive mechanism to damage and potential safety hazard under specific operating condition (for example when overhauing); when presetting hasp structure and draw-in groove and corresponding simultaneously, the switch is in the switch and opens or the off-state, and the draw-in groove can play clear and definite instruction effect to the state of switch, avoids the maloperation.

The utility model discloses a further improvement scheme as follows:

further, the knob includes the rotating part of top and the installation department of below, the installation department with the opening matches, and the installation department bottom surface be equipped with the jack that the transmission square shaft matches, the rotating part includes the base and sets up the bar cover body on the base.

By adopting the scheme, the rotating part is controlled to drive the mounting part and the transmission square shaft to rotate, so that the working state of the internal switch is controlled; the installation department plays sealed open-ended effect, avoids external environment to influence inner structure work, improves switch security performance simultaneously.

Furthermore, the hasp structure is for falling L shape structure, and the hasp structure includes the operating portion of top and the locking portion of below, it includes establishes to hold the chamber strip cover body tip with the first chamber of holding that the operating portion matches, set up on the outer annular surface of installation department with the second that the locking portion matches holds the chamber and set up supply on the base the gliding bar hole of locking portion passes.

By adopting the scheme, the locking part below is controlled to be inserted into the clamping groove by pulling out the operating part above, so that knob locking is completed, and the operation is convenient and rapid; when the knob is in a non-locking state, the inverted L-shaped lock catch structure is completely positioned in the first accommodating cavity, the second accommodating cavity and the strip-shaped hole, and the lock catch structure and the knob form a whole, so that the normal work of the knob is not influenced; the inverted L-shaped locking structure is convenient for operators to directly draw out the locking structure from the knob, and the locking structure is convenient to mount and dismount.

Further, the strip-shaped hole is formed in the base and does not extend to the outer annular surface of the base.

Through adopting above-mentioned scheme, the bar hole is inside the base, can avoid hasp structure sliding distance too big break away from the knob.

Further, a rack surface is arranged on the top surface of the operating part.

By adopting the scheme, the rack face on the top face of the operation part is convenient for operators to pull out the lock catch structure, so that the operation convenience is further improved.

Furthermore, a through hole is formed in the side face of the operation part.

By adopting the scheme, the through hole is convenient for an operator to draw out the lock catch structure, and the lock catch structure is convenient to mount and dismount; meanwhile, the weight of the operation part is reduced, and the position control is convenient.

Furthermore, a counter bore communicated with the jack is formed in the base, a locking bolt is arranged in the counter bore, and a screw hole matched with the locking bolt is formed in the top surface of the transmission square shaft.

By adopting the scheme, the locking bolt locks the transmission square shaft, the vertical freedom degree of the knob is limited, and the knob is prevented from falling off.

Furthermore, the top surface of the strip-shaped cover body is provided with a pointing arrow.

By adopting the scheme, the indication of the working state is further clarified by the pointing arrow, so that misoperation is avoided.

Further, base top surface tip is equipped with vertical mounting panel, the mounting panel lateral surface is equipped with the depressed part, bar cover body tip be equipped with the buckle portion that the depressed part matches.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structural view of an unlocked state according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structural view of a locked state according to an embodiment of the present invention.

Shown in the figure:

1. a switch housing; 101. an opening; 102. a card slot;

2. a transmission square shaft; 201. screw hole

3. A knob;

4. a rotating part; 401. a pointing arrow; 402. a base; 403. a strip-shaped cover body; 404. a first accommodating chamber; 405. a second accommodating chamber; 406. a strip-shaped hole; 407. a countersunk hole; 408. locking the bolt; 409. mounting a plate; 410. a recessed portion; 411. a fastening part;

5. an installation part; 501. a jack;

6. a locking structure; 601. an operation section; 602. a locking portion; 603. a rack face; 604. and a through hole.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, the latch indicating knob 3 of the control and protection switch provided in this embodiment includes a switch housing 1, a transmission square shaft 2 and a knob 3, an opening 101 is formed on a top surface of the switch housing 1, the transmission square shaft 2 passes through the opening 101, and the knob 3 is sleeved and fixed on the transmission square shaft 2 and inserted into the opening 101.

The side of the knob 3 is provided with an accommodating cavity, the accommodating cavity is provided with a locking structure 6, the opening 101 is provided with a communicated clamping groove 102 matched with the locking structure 6, and the locking structure 6 is inserted into the clamping groove 102 to lock the knob 3.

The knob 3 includes the rotating part 4 of top and installation department 5 of below, and installation department 5 matches with opening 101, and installation department 5 bottom surface is equipped with the jack 501 that matches with transmission square shaft 2, and the rotating part 4 includes base 402 and the bar cover body 403 that sets up on base 402. The top surface end of the base 402 is provided with a vertical mounting plate 409, the outer side surface of the mounting plate 409 is provided with a concave part 410, and the end of the strip-shaped cover body 403 is provided with a buckling part 411 matched with the concave part 410.

The rotating part 4 is controlled to drive the mounting part 5 and the transmission square shaft 2 to rotate, so that the working state of an internal switch is controlled; the mounting portion 5 plays a role of sealing the opening 101, avoids the external environment from affecting the work of the internal structure, and improves the safety performance of the switch.

The base 402 is provided with a counter bore 407 communicated with the jack 501, the counter bore 407 is internally provided with a locking bolt 408, and the top surface of the transmission square shaft 2 is provided with a screw hole 201 matched with the locking bolt 408.

The locking bolt 408 locks the transmission square shaft 2, limits the freedom degree of the knob 3 in the up-and-down direction and avoids the knob 3 from falling off.

The top surface of the bar-shaped cover 403 is provided with a pointing arrow 401. The pointing arrow 401 further specifies the operating state indication to avoid malfunction.

The locking structure 6 is an inverted L-shaped structure, and the locking structure 6 includes an operating portion 601 above and a locking portion 602 below, and the accommodating cavity includes a first accommodating cavity 404 provided at an end of the bar-shaped cover body 403 and matched with the operating portion 601, a second accommodating cavity 405 provided on an outer annular surface of the mounting portion 5 and matched with the locking portion 602, and a bar-shaped hole 406 provided on the base 402 for the locking portion 602 to pass through and slide.

The locking part 602 at the lower part is controlled to be inserted into the clamping groove 102 by pulling out the operating part 601 at the upper part, so that the knob 3 is locked, and the operation is convenient and quick; when the knob is in an unlocked state, the inverted-L-shaped locking structure 6 is completely positioned in the first accommodating cavity 404, the second accommodating cavity 405 and the strip-shaped hole 406, and the locking structure 6 and the knob 3 form a whole, so that the normal work of the knob 3 is not influenced; the inverted L-shaped locking structure 6 is convenient for an operator to directly draw out the locking structure 6 from the knob 3, so that the locking structure 6 is convenient to mount and dismount.

The strip-shaped hole 406 is arranged inside the base 402 and does not extend to the outer annular surface of the base 402. The strip-shaped hole 406 is positioned inside the base 402, so that the lock catch structure 6 can be prevented from being separated from the knob 3 by too long sliding distance.

The top surface of the operating portion 601 is provided with a rack surface 603. The rack face 603 on the top face of the operating portion 601 facilitates the operator to pull out the latch structure 6, further improving the operation convenience.

The operation portion 601 has a through hole 604 formed in a side surface thereof. The through hole 604 facilitates the operator to draw out the latch structure 6, and facilitates the installation and the disassembly of the latch structure 6; meanwhile, the weight of the operation part 601 is reduced, and position control is facilitated.

In the embodiment, the knob 3 is sleeved and fixed on the transmission square shaft 2, the opening and closing of the switch are controlled by rotating the knob 3, the side surface of the knob 3 is provided with a containing cavity for containing the lock catch structure 6, a communicated clamping groove 102 is arranged beside the opening 101 of the switch shell 1, when the knob 3 rotates to the position where the lock catch structure 6 corresponds to the clamping groove 102, the lock catch structure 6 can be pulled out from the containing cavity and inserted into the clamping groove 102 to lock the direction of the knob 3, and at the moment, the knob 3 is in a locking state, so that the damage and potential safety hazard of an internal transmission mechanism caused by the misoperation of opening or closing the switch under a specific working state (for example, during maintenance) can be; when presetting hasp structure 6 and draw-in groove simultaneously and correspond 102, the switch is in and opens or closed state, and draw-in groove 102 can play clear and definite instruction effect to the state of switch, avoids the maloperation.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a control and protection switch's hasp indicating knob, a serial communication port, including switch housing, transmission square shaft and knob, the switch housing top surface is equipped with the opening, the transmission square shaft passes the opening sets up, the knob cover is established and is fixed the epaxial insertion of transmission square in the opening, the knob side has been seted up and has been held the chamber, it is equipped with the hasp structure to hold the intracavity, the other intercommunication that is equipped with of opening with the draw-in groove that the hasp structure matches, the hasp structure inserts locking in the draw-in groove the knob.

2. The lock catch indication knob of the control and protection switch as claimed in claim 1, wherein the knob comprises an upper rotating part and a lower mounting part, the mounting part is matched with the opening, the bottom surface of the mounting part is provided with a jack matched with the transmission square shaft, and the rotating part comprises a base and a strip-shaped cover body arranged on the base.

3. The latch indicating knob of a control and protection switch according to claim 2, wherein the latch structure is an inverted L-shaped structure, and the latch structure comprises an upper operation portion and a lower locking portion, and the receiving cavity comprises a first receiving cavity formed at an end of the bar-shaped cover body and matched with the operation portion, a second receiving cavity formed on an outer annular surface of the mounting portion and matched with the locking portion, and a bar-shaped hole formed on the base for the locking portion to pass through and slide.

4. The latch indicating knob of control and protection switch according to claim 3, wherein said strip-shaped hole is formed inside said base and does not extend to the outer circumferential surface of said base.

5. The latch indicating knob of control and protection switch according to claim 3, wherein said operating portion top surface is provided with a rack surface.

6. The latch indicating knob of control and protection switch according to claim 3, wherein the side of the operation portion is formed with a through hole.

7. The lock catch indicating knob of the control and protection switch according to claim 2, wherein the base is provided with a counter bore communicated with the insertion hole, a locking bolt is arranged in the counter bore, and the top surface of the transmission square shaft is provided with a screw hole matched with the locking bolt.

8. The latch indicating knob of control and protection switch according to claim 2, wherein the top surface of said bar-shaped cover is provided with a pointing arrow.

9. The latch indicating knob of control and protection switch according to claim 2, wherein the top end of the base has a vertical mounting plate, the outer side of the mounting plate has a concave portion, and the end of the bar-shaped cover has a fastening portion matching with the concave portion.