CN215932623U

CN215932623U - Special calculator for relay protection device inspection

Info

Publication number: CN215932623U
Application number: CN202122106540.6U
Authority: CN
Inventors: 王光华; 董晓燕; 王婀妮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-03-01
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a special calculator for testing a relay protection device, which comprises a device body, a protection mechanism and an extension mechanism, wherein a display is arranged on the upper surface of the device body, two groups of containing grooves are symmetrically arranged on the lower surface of the device body, the protection mechanism is arranged on the outer side of the display and is in transmission connection with the device body, the extension mechanism is arranged at the rear end of the device body and is movably connected with the containing grooves, a protective shell is arranged on one side of the protection mechanism, a left cover plate and a right cover plate can be effectively controlled through the protection mechanism, the protection and sealing operation of the display are convenient, the damage of the display caused by external force factors is avoided, the service life reduction of the display caused by water inlet or stains is avoided, the device body can be effectively sleeved on a wrist through the extension mechanism, the portability of a user is improved, and meanwhile, the device body can be placed for use, so that inconvenience in handheld operation is avoided.

Description

Special calculator for relay protection device inspection

Technical Field

The utility model belongs to the technical field of relay protection devices, and particularly relates to a special calculator for testing a relay protection device.

Background

When a power element in a power system or the power system itself has a fault and the safety operation of the power system is endangered, an automatic measure and equipment which can send a warning signal to an operation attendant in time or directly send a trip command to a controlled breaker to stop the development of the events, and a complete set of equipment for realizing the automatic measure are generally called a relay protection device which needs to be checked in many cases;

however, most of existing calculators for checking relay protection devices are single in structure, do not well protect a calculator display, are easily damaged by external force or are subjected to moisture short circuit due to water inflow when being used or idle, and therefore the service life of the calculators is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special calculator for testing a relay protection device, which can protect and seal a screen of the special calculator, avoid the problem that the calculator is damaged by external force or short-circuited by water inflow, carry and fix the calculator and avoid inconvenience in handheld use.

In order to achieve the purpose, the utility model provides the following technical scheme: a calculator special for testing a relay protection device comprises a device body, a protection mechanism and a stretching mechanism, wherein a display is arranged on the upper surface of the device body, accommodating grooves are formed in the lower surface of the device body, two groups of accommodating grooves are symmetrically formed in the upper surface of the device body, the protection mechanism is arranged on the outer side of the display and is in transmission connection with the device body, the stretching mechanism is arranged at the rear end of the device body, and the stretching mechanism is movably connected with the accommodating grooves;

protection mechanism includes left side apron and right side apron, left side apron and right side apron all are located the display upper end, and one side is provided with the bolt, left side apron and right side apron pass through bolt swing joint left push rod and right push rod, left side push rod and right push rod lower extreme all are provided with the axis of rotation, and left push rod and right push rod pass through axis of rotation connection left gear and right gear respectively, left side gear and right gear all are connected with first knob.

As a further scheme of the utility model: the extension mechanism comprises a first lantern ring and a second knob, wherein a second lantern ring is arranged on one side of symmetry of the first lantern ring, jacks are formed in the first lantern ring and the second lantern ring, a driving gear is fixedly connected to the inner side of the second knob, a first rack and a second rack are arranged on two sides of the driving gear in a meshed mode respectively, inserting rods are arranged at the front ends of the first rack and the second rack, the first lantern ring and the second lantern ring can be extended and contracted, and the device body can be sleeved on the hand or placed on the desktop in an inclined mode.

As a further scheme of the utility model: the left side apron inboard is provided with the sealing strip, the right side apron inboard is provided with the seal groove, and the sealing strip corresponds to peg graft in the seal groove, is convenient for seal the device body, avoids the impaired or moist damage of display.

As a further scheme of the utility model: the protective housing is arranged on the outer sides of the left gear and the right gear, and is fixedly connected with one side of the device body, so that the left gear and the right gear are protected conveniently, and the phenomenon that the left gear and the right gear are blocked or damaged to cause incapability of use is avoided.

As a further scheme of the utility model: the bolt inboard is provided with the spacing collar, the spacing collar activity is located left side apron and right side apron inside, avoids the bolt to be extracted or break away from.

As a further scheme of the utility model: first lantern ring and the equal activity of second lantern ring set up inside the holding tank, the driving gear activity is located device body inside, saves usage space.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the protection mechanism is arranged in the device body, the left gear and the right gear on the inner side are driven to rotate through the first knob, the left gear and the right gear respectively drive the left push rod and the right push rod to rotate, the left push rod and the right push rod respectively push the left cover plate and the right cover plate to move, and at the moment, the display leaks out;

2. according to the utility model, the extension mechanism is arranged in the device body, the driving gear is driven to rotate by the second knob, the driving gear drives the left rack and the right rack to move, the insertion rod is moved out of the jack at the moment, the first sleeve ring and the second sleeve ring are sleeved on the wrist of a user, or the second sleeve ring is folded, the device body is obliquely placed on a plane through the first sleeve ring for use, the mechanism can effectively sleeve the device body on the wrist for use, the portability of the user is improved, meanwhile, the device body can be placed for use, and the inconvenience in handheld operation is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIGS. 1 and 2 are perspective views from different angles of the present invention;

FIG. 3 is a front view of the overall structure of the present invention;

FIG. 4 is an exploded view of the protection mechanism of the present invention;

fig. 5 is a partially exploded view of the extension mechanism of the present invention.

In the figure: 1. a device body; 2. a display; 3. accommodating grooves; 4. a protection mechanism; 41. a left cover plate; 42. a right cover plate; 43. a first knob; 44. a left gear; 45. a right gear; 46. a rotating shaft; 47. a left push rod; 48. a right push rod; 49. a bolt; 5. a sealing strip; 6. a sealing groove; 7. a limiting ring; 8. a protective shell; 9. an extension mechanism; 91. a first collar; 92. a second collar; 93. a second knob; 94. a driving gear; 95. a first rack; 96. a second rack; 97. a plug rod; 98. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a special calculator for testing a relay protection device comprises a device body 1, a protection mechanism 4 and an extension mechanism 9, wherein a display 2 is arranged on the upper surface of the device body 1, accommodating grooves 3 are formed in the lower surface of the device body 1, two groups of accommodating grooves 3 are symmetrically arranged, the protection mechanism 4 is arranged on the outer side of the display 2 and is in transmission connection with the device body 1, the extension mechanism 9 is arranged at the rear end of the device body 1, and the extension mechanism 9 is movably connected with the accommodating grooves 3;

the protection mechanism 4 comprises a left cover plate 41 and a right cover plate 42, the left cover plate 41 and the right cover plate 42 are both positioned at the upper end of the display 2, one side of the left cover plate 41 and one side of the right cover plate 42 are provided with a bolt 49, the left cover plate 41 and the right cover plate 42 are movably connected with a left push rod 47 and a right push rod 48 through the bolt 49, the lower ends of the left push rod 47 and the right push rod 48 are both provided with a rotating shaft 46, the left push rod 47 and the right push rod 48 are respectively connected with a left gear 44 and a right gear 45 through the rotating shaft 46, the left gear 44 and the right gear 45 are both connected with a first knob 43, the inner side of the left cover plate 41 is provided with a sealing strip 5, the inner side of the right cover plate 42 is provided with a sealing groove 6, the sealing strip 5 is correspondingly inserted in the sealing groove 6, so as to seal the device body 1 and avoid the display 2 from being damaged or wet, the protective shell 8 is arranged at the outer sides of the left gear 44 and the right gear 45, the protective shell 8 is fixedly connected with one side of the device body 1 so as to protect the left gear 44 and the right gear 45, the situation that the display cannot be used due to clamping or damage is avoided, the limiting ring 7 is arranged on the inner side of the bolt 49, the limiting ring 7 is movably arranged inside the left cover plate 41 and the right cover plate 42, the bolt 49 is prevented from being pulled out or separated, the first knob 43 is rotated when the display is used, the first knob 43 drives the left gear 44 and the right gear 45 on the inner side to oppositely rotate, the left gear 44 and the right gear 45 respectively drive the left push rod 47 and the right push rod 48 on two sides to rotate, the left push rod 47 and the right push rod 48 respectively push the left cover plate 41 and the right cover plate 42 to move towards two sides of the device body 1, the display 2 leaks at the moment, and the first knob 43 is reversely rotated after the display is used, the mechanism can effectively control the left cover plate 41 and the right cover plate 42, is convenient for protecting and sealing the display 2, avoids the damage of the display 2 caused by external force factors, and simultaneously avoids the reduction of the service life of the display 2 caused by water inflow or stains;

the extension mechanism 9 comprises a first lantern ring 91 and a second knob 93, a second lantern ring 92 is arranged on one symmetrical side of the first lantern ring 91, jacks 98 are arranged on the first lantern ring 91 and the second lantern ring 92, a driving gear 94 is fixedly connected to the inner side of the second knob 93, a first rack 95 and a second rack 96 are respectively arranged on two sides of the driving gear 94 in a meshed manner, insertion rods 97 are arranged at the front ends of the first rack 95 and the second rack 96, the first lantern ring 91 and the second lantern ring 92 can be extended and contracted, the device body 1 can be sleeved on a hand or obliquely placed on a table for use, the first lantern ring 91 and the second lantern ring 92 are movably arranged inside the accommodating groove 3, the driving gear 94 is movably arranged inside the device body 1, the use space is saved, the second knob 93 is rotated during use, the second knob 93 drives the driving gear 94 to rotate, the driving gear 94 drives the driving gear 94 to drive the left rack 95 and the right rack 96 which are meshed with each other two sides to move, left rack 95 and right rack 96 drive the shrink of front end peg graft pole 97, peg graft pole 97 moves out from jack 98, this moment with first lantern ring 91 and the cover of second lantern ring 92 can on user's wrist, perhaps pack up second lantern ring 92, with first lantern ring 91 roll-out, place device body 1 slope through first lantern ring 91 and use on the plane, this mechanism can effectively overlap device body 1 cover and establish the use on the wrist, user's portability has been increased, can place device body 1 simultaneously and use, it is inconvenient to avoid handheld operation.

The working principle of the utility model is as follows: when the device is used, the first knob 43 on one side of the device body 1 is rotated, the first knob 43 drives the inner side left gear 44 and the right gear 45 to oppositely rotate, the left gear 44 and the right gear 45 respectively drive the left push rod 47 and the right push rod 48 on two sides to rotate, the left push rod 47 and the right push rod 48 respectively push the left cover plate 41 and the right cover plate 42 to move towards two sides of the device body 1, at the moment, the display 2 leaks, the first knob 43 is reversely rotated after the device is used, the mechanism can effectively control the left cover plate 41 and the right cover plate 42, the protection and sealing operation on the display 2 are convenient, the damage of the display 2 caused by external force factors is avoided, the service life reduction of the display 2 caused by water inflow or stains is avoided, when the operating device body 1 needs to be worn, the second knob 93 is rotated, the second knob 93 drives the driving gear 94 to rotate, the driving gear 94 drives the left rack 95 and the right rack 96 which are meshed with two sides to move, left rack 95 and right rack 96 drive the shrink of front end peg graft pole 97, peg graft pole 97 moves out from jack 98, this moment with first lantern ring 91 and the cover of second lantern ring 92 can on user's wrist, perhaps pack up second lantern ring 92, with first lantern ring 91 roll-out, place device body 1 slope through first lantern ring 91 and use on the plane, this mechanism can effectively overlap device body 1 cover and establish the use on the wrist, user's portability has been increased, can place device body 1 simultaneously and use, it is inconvenient to avoid handheld operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A relay protection device inspection special calculator comprises a device body (1), a protection mechanism (4) and an extension mechanism (9), and is characterized in that: the display (2) is arranged on the upper surface of the device body (1), the accommodating grooves (3) are formed in the lower surface of the device body (1), two groups of accommodating grooves (3) are symmetrically arranged, the protection mechanism (4) is arranged on the outer side of the display (2) and is in transmission connection with the device body (1), the extension mechanism (9) is arranged at the rear end of the device body (1), and the extension mechanism (9) is movably connected with the accommodating grooves (3);

protection mechanism (4) are including left side apron (41) and right side apron (42), left side apron (41) and right side apron (42) all are located display (2) upper end, and one side is provided with bolt (49), left side apron (41) and right side apron (42) are through bolt (49) swing joint left push rod (47) and right push rod (48), left side push rod (47) and right push rod (48) lower extreme all are provided with axis of rotation (46), and left push rod (47) and right push rod (48) connect left gear (44) and right gear (45) through axis of rotation (46) respectively, left side gear (44) and right gear (45) all are connected with first knob (43).

2. The relay protection device inspection dedicated calculator of claim 1, wherein: the extension mechanism (9) comprises a first lantern ring (91) and a second knob (93), wherein a second lantern ring (92) is arranged on one symmetrical side of the first lantern ring (91), jacks (98) are formed in the first lantern ring (91) and the second lantern ring (92), a driving gear (94) is fixedly connected to the inner side of the second knob (93), a first rack (95) and a second rack (96) are respectively arranged on two sides of the driving gear (94) in a meshed mode, and inserting rods (97) are arranged at the front ends of the first rack (95) and the second rack (96).

3. The relay protection device inspection dedicated calculator of claim 1, wherein: the left side apron (41) inboard is provided with sealing strip (5), right side apron (42) inboard is provided with seal groove (6), and sealing strip (5) correspond to peg graft in seal groove (6).

4. The relay protection device inspection dedicated calculator of claim 1, wherein: and a protective shell (8) is arranged on the outer sides of the left gear (44) and the right gear (45), and the protective shell (8) is fixedly connected with one side of the device body (1).

5. The relay protection device inspection dedicated calculator of claim 1, wherein: the inner side of the bolt (49) is provided with a limiting ring (7), and the limiting ring (7) is movably arranged in the left cover plate (41) and the right cover plate (42).

6. The relay protection device inspection dedicated calculator of claim 2, wherein: the first lantern ring (91) and the second lantern ring (92) are movably arranged in the accommodating groove (3), and the driving gear (94) is movably located in the device body (1).