CN210464783U - Pointer for gas density relay and gas density relay - Google Patents
Pointer for gas density relay and gas density relay Download PDFInfo
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- CN210464783U CN210464783U CN201921740001.4U CN201921740001U CN210464783U CN 210464783 U CN210464783 U CN 210464783U CN 201921740001 U CN201921740001 U CN 201921740001U CN 210464783 U CN210464783 U CN 210464783U
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- pointer
- density relay
- gas density
- groove
- insulating rod
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Abstract
The utility model discloses a pointer and gas density relay for gas density relay, it includes: pointer body, needle cap, insulating rod and balancing piece. Wherein, the pointer body includes fixed part and instruction portion, and instruction portion is used for instructing gas density relay's detected value, and the fixed part is used for fixing the pointer body, and needle cap, insulating rod and balancing piece are all installed on the fixed part, and the punching press forms the recess on the fixed part, and the depth direction of recess is on a parallel with or is located the thickness direction of fixed part, can increase the cross-sectional area of pointer in the atress direction through the punching press recess, avoids the stress too concentrated, and then improves the resistance to deformation ability of pointer. In the use, the pointer body stability of this kind of structure is better, can avoid the pointer in the gas density relay receiving gas pressure to take place to warp, and then can improve the utility model provides a degree of accuracy of gas density relay detected value.
Description
Technical Field
The utility model relates to a gas density relay field especially relates to a pointer and gas density relay for gas density relay.
Background
Nowadays, various gas density relays are widely applied to various fields such as power departments, industrial and mining enterprises and the like. In particular, the sulfur hexafluoride gas density relay has good insulation and arc extinguishing functions, and is particularly favored by people. In the working process of the sulfur hexafluoride gas density relay, the pointer is driven to deflect through the change of the gas pressure in the sulfur hexafluoride gas density relay, so that the detection value is indicated. However, in the prior art, the pointer inside the sulfur hexafluoride gas density relay has low rigidity and can deform under the gas pressure, and the phenomenon can cause the error of the detection value of the sulfur hexafluoride gas density relay.
Therefore, the pointer for the gas density relay in the prior art has the problem of low rigidity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the pointer for the gas density relay in the prior art has lower rigidity. Therefore, the utility model provides a pointer and gas density relay for gas density relay has the high advantage of pointer rigidity.
In order to solve the above problem, an embodiment of the present invention discloses a pointer for a gas density relay, including: the pointer comprises a pointer body, a pointer cap, an insulating rod and a balance block; the pointer body comprises a fixing part and an indicating part which are adjacent along the length direction of the pointer body, the indicating part is used for indicating a detection value of the gas density relay, the fixing part is used for fixing the pointer body, the needle cap, the insulating rod and the balance block are all arranged on the fixing part, the balance block is positioned at one end, far away from the indicating part, of the fixing part, the insulating rod is closer to the indicating part than the balance block in the length direction of the pointer body, and the needle cap is positioned between the balance block and the insulating rod in the length direction of the pointer body; and the number of the first and second electrodes,
the fixing part is punched to form a groove, and the depth direction of the groove is parallel to or located in the thickness direction of the fixing part.
Adopt above-mentioned technical scheme, the utility model provides a pointer for gas density relay includes: pointer body, needle cap, insulating rod and balancing piece. Wherein, the pointer body includes fixed part and instruction portion, and instruction portion is used for instructing gas density relay's detected value, and the fixed part is used for fixing the pointer body, and needle cap, insulating rod and balancing piece are all installed on the fixed part, and the punching press forms the recess on the fixed part, and the depth direction of recess is on a parallel with or is located the thickness direction of fixed part, can increase the cross-sectional area of pointer in the atress direction through the punching press recess, avoids the stress too concentrated, and then improves the resistance to deformation ability of pointer. In the use, the pointer body stability of this kind of structure is better, can avoid the pointer in the gas density relay receiving gas pressure to take place to warp, and then can improve the degree of accuracy of gas density relay detected value.
Further, another embodiment of the utility model discloses a pointer for gas density relay, the recess includes first recess and second recess, first recess with the second recess is followed the length direction interval of fixed part sets up.
By adopting the technical scheme, the two grooves are arranged, so that the cross sectional area of the pointer in the stress direction is larger, and the deformation resistance of the pointer can be further improved.
Further, another embodiment of the utility model discloses a pointer for gas density relay, first recess with all be provided with the strengthening rib in the second recess.
By adopting the technical scheme, the reinforcing ribs are arranged in the grooves, so that the rigidity of the pointer can be further enhanced, the pointer in the gas density relay can be further prevented from deforming under the action of gas pressure, and the accuracy of the detection value of the bulk density relay can be improved.
Further, another embodiment of the utility model discloses a pointer for gas density relay, the strengthening rib respectively with first recess with second recess integrated into one piece.
By adopting the technical scheme, the reinforcing ribs are respectively integrally formed with the first groove and the second groove, so that the reliability of the pointer is better, the pointer in the gas density relay can be further prevented from deforming under the action of gas pressure, and the accuracy of the detection value of the bulk density relay can be improved.
Further, another embodiment of the present invention discloses a pointer for a gas density relay, wherein the notch of the first groove and the notch of the second groove are both oriented to one side of the insulating rod.
Adopt above-mentioned technical scheme, the notch of first recess and the notch of second recess all towards one side at insulating rod place, the utility model discloses a such structure can avoid the recess to cause the influence to other parts on the pointer, and then can improve the reliability of pointer in the use.
Further, another embodiment of the utility model discloses a pointer for gas density relay, first recess with the second recess is followed the length direction of pointer body is located respectively the both sides of insulating rod.
Adopt above-mentioned technical scheme, first recess and second recess are located the both sides of insulating rod respectively along the length direction of pointer body, adopt this kind of structure, can make the atress of pointer more even, and then can avoid the pointer too concentrated and damage of stress in the use.
Further, another embodiment of the present invention discloses a pointer for a gas density relay, the first groove with the length direction of the second groove with the length direction of the pointer body is parallel.
Adopt above-mentioned technical scheme, the length direction of first recess and second recess is parallel with the length direction of pointer body, adopts this kind of structure, can avoid the fixed part to make pointer body weight distribute uneven problem because of the punching press recess, and then can make the pointer rotate the in-process more steady.
Further, another embodiment of the utility model discloses a pointer for gas density relay, the tank bottom of first recess with the tank bottom protrusion of second recess in the fixed part is kept away from a side of insulating rod.
By adopting the technical scheme, the groove bottom of the first groove and the groove bottom of the second groove protrude out of one side face, far away from the insulating rod, of the fixing part, the structure is adopted, the influence of the grooves on other parts on the pointer can be avoided, and the reliability of the pointer in the using process can be further improved.
Further, another embodiment of the present invention discloses a gas density relay, which comprises a pointer for the gas density relay.
By adopting the technical scheme, the pointer for the gas density relay provided by the utility model comprises a pointer body; pointer body, needle cap, insulating rod and balancing piece. Wherein, the pointer body includes fixed part and instruction portion, and instruction portion is used for instructing gas density relay's detected value, and the fixed part is used for fixing the pointer body, and needle cap, insulating rod and balancing piece are all installed on the fixed part, and the punching press forms the recess on the fixed part, and the depth direction of recess is on a parallel with or is located the thickness direction of fixed part, can increase the cross-sectional area of pointer in the atress direction through the punching press recess, avoids the stress too concentrated, and then improves the resistance to deformation ability of pointer. In the use, the pointer body stability of this kind of structure is better, can avoid the pointer in the gas density relay receiving gas pressure to take place to warp, and then can improve the utility model provides a degree of accuracy of gas density relay detected value.
Other features and corresponding advantages of the invention are set forth in the following part of the specification, and it is to be understood that at least some of the advantages become apparent from the description of the invention.
Drawings
Fig. 1 is a schematic perspective view of a pointer for a gas density relay according to embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of a pointer for a gas density relay according to embodiment 1 of the present invention;
fig. 3 is a schematic front view of a pointer for a gas density relay according to embodiment 1 of the present invention.
Description of reference numerals:
100: a pointer body; 110: an indicating section; 120: a fixed part; 121: a first groove; 122: a second groove;
200: an insulating rod;
300: a needle cap;
400: a balance weight.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1:
the present embodiment provides a pointer for a gas density relay, as shown in fig. 1 to fig. 3, the pointer for a gas density relay includes: the pointer body 100, the needle cap 300, the insulating rod 200, and the weight 400.
Specifically, in the present embodiment, the pointer body 100 includes a fixing portion 120 and an indicating portion 110 adjacent to each other in the length direction of the pointer body 100, the indicating portion 110 is used for indicating the detected value of the gas density relay, the fixing portion 120 is used for fixing the pointer body 100, the needle cap 300, the insulating rod 200, and the balance weight 400 are all mounted on the fixing portion 120, the balance weight 400 is located at one end of the fixing portion 120 away from the indicating portion 110, the insulating rod 200 is closer to the indicating portion 110 in the length direction of the pointer body 100 than the balance weight 400, and the needle cap 300 is located between the balance weight 400 and the insulating rod 200 in the length direction of the pointer body 100.
More specifically, in the present embodiment, the fixing portion 120 is stamped and formed with a groove, and the depth direction of the groove is parallel to or located in the thickness direction of the fixing portion 120.
More specifically, in this embodiment, the pointer for a gas density relay includes: the pointer body 100, the needle cap 300, the insulating rod 200, and the weight 400. Wherein, pointer body 100 includes fixed part 120 and instruction portion 110, instruction portion 110 is used for instructing the detected value of gas density relay, fixed part 120 is used for fixing pointer body 100, and needle cap 300, insulating rod 200 and balancing piece 400 all install on fixed part 120, the recess is formed to punching on fixed part 120, and the depth direction of recess is on a parallel with or is located the thickness direction of fixed part 120, can increase the cross-sectional area of pointer in the atress direction through punching press the recess, avoid the stress too concentrated, and then improve the resistance to deformation ability of pointer. In the use, pointer body 100 of this kind of structure stability is better, can avoid the pointer in the gas density relay to receive gas pressure to take place to warp, and then can improve the degree of accuracy of gas density relay detected value.
More specifically, in the present embodiment, the specific structures of the needle cap 300, the insulating rod 200 and the balance block 400 are similar to the structures of the needle cap 300, the insulating rod 200 and the balance block 400 in the prior art, and the detailed structures thereof are not described herein again.
Further, the present embodiment provides a pointer for a gas density relay, where the groove includes a first groove 121 and a second groove 122, and the first groove 121 and the second groove 122 are disposed at intervals along a length direction of the fixing portion 120.
Specifically, in this embodiment, the groove includes first groove 121 and second groove 122, and first groove 121 and second groove 122 can further make the cross-sectional area of pointer in the atress direction bigger than a groove, and then can improve the resistance to deformation of pointer, and pointer body 100 of this kind of structure is stable better, can avoid the pointer in the gas density relay receiving gas pressure to take place to warp, and then can improve the degree of accuracy of gas density relay detection value.
Further, in the present embodiment, a pointer for a gas density relay is provided, and reinforcing ribs (not shown in the figure) are disposed in both the first groove 121 and the second groove 122.
Specifically, in this embodiment, the strengthening ribs are arranged in the first groove 121 and the second groove 122, so that the rigidity of the pointer can be further enhanced, the pointer in the gas density relay can be further prevented from deforming under the action of gas pressure, and the accuracy of the detection value of the bulk density relay can be further improved.
More specifically, in this embodiment, the stiffness of the reinforcing rib should be greater than or equal to the stiffness of the pointer body 100, where the stiffness of the reinforcing rib may be greater than the stiffness of the pointer body 100, or equal to the stiffness of the pointer body 100, and the stiffness of the reinforcing rib may be set according to actual design and use requirements, which is not limited in this embodiment.
Further, in the present embodiment, the pointer for a gas density relay is provided, and the reinforcing ribs are integrally formed with the first groove 121 and the second groove 122, respectively.
Specifically, in this embodiment, the strengthening rib can make the reliability of pointer better with first recess 121 and second recess 122 integrated into one piece respectively, can further avoid the pointer in the gas density relay receiving gas pressure to take place to warp, and then can improve the degree of accuracy of bulk density relay detection value.
More specifically, in this embodiment, the reinforcing rib may also be welded to the inner walls of the first groove 121 and the second groove 122, or may be fixed to the inner walls of the first groove 121 and the second groove 122 by other fixing methods, which may be specifically set according to actual design and use requirements, and this embodiment is not limited thereto.
Further, the present embodiment provides a pointer for a gas density relay, in which the notch of the first groove 121 and the notch of the second groove 122 are both directed toward the side where the insulating rod 200 is located.
Specifically, in this embodiment, the notches of the first groove 121 and the second groove 122 face the side where the insulating rod 200 is located, and with such a structure, the influence of the grooves on other parts on the pointer can be avoided, and the reliability of the pointer in the using process can be further improved.
Further, in the present embodiment, the pointer for the gas density relay is provided, and the first groove 121 and the second groove 122 are respectively located on two sides of the insulating rod 200 along the length direction of the pointer body 100.
Specifically, in this embodiment, the first groove 121 and the second groove 122 are disposed on two sides of the insulating rod 200 along the length direction of the pointer body 100, so that the stress applied to the pointer is more uniform, and the pointer is prevented from being damaged due to too concentrated stress during use.
Further, in the present embodiment, the length direction of the first groove 121 and the length direction of the second groove 122 are parallel to the length direction of the pointer body 100.
Specifically, in this embodiment, the length directions of the first groove 121 and the second groove 122 are parallel to the length direction of the pointer body 100, and with such a structure, the weight distribution of the pointer body 100 can be more uniform, so as to avoid the problem that the weight distribution of the pointer body 100 is uneven due to the fact that the fixing portion 120 punches the groove, and further, the pointer can be more stable in the rotating process.
Further, in the present embodiment, the bottom of the first groove 121 and the bottom of the second groove 122 protrude from a side of the fixing portion 120 away from the insulating rod 200.
Specifically, in this embodiment, the groove bottom of the first groove 121 and the groove bottom of the second groove 122 protrude from a side surface of the fixing portion 120 away from the insulating rod 200, and with such a structure, the influence of the grooves on other components on the pointer can be avoided, and the reliability of the pointer in the using process can be further improved.
The present embodiment provides a pointer for a gas density relay, which includes: the pointer body 100, the needle cap 300, the insulating rod 200, and the weight 400. Wherein, pointer body 100 includes fixed part 120 and instruction portion 110, instruction portion 110 is used for instructing the detected value of gas density relay, fixed part 120 is used for fixing pointer body 100, and needle cap 300, insulating rod 200 and balancing piece 400 all install on fixed part 120, the recess is formed to punching on fixed part 120, and the depth direction of recess is on a parallel with or is located the thickness direction of fixed part 120, can increase the cross-sectional area of pointer in the atress direction through punching press the recess, avoid the stress too concentrated, and then improve the resistance to deformation ability of pointer. In the use, pointer body 100 of this kind of structure stability is better, can avoid the pointer in the gas density relay to receive gas pressure to take place to warp, and then can improve the degree of accuracy of the gas density relay detected value in this embodiment.
Example 2:
further, the present embodiment provides a gas density relay including the pointer for the gas density relay in embodiment 1.
Specifically, in this embodiment, as shown in fig. 1 to 3, the pointer for a gas density relay includes: the pointer comprises a pointer body 100, a needle cap 300, an insulating rod 200 and a balance weight 400, wherein the pointer body 100 comprises a fixing part 120 and an indicating part 110 which are adjacent along the length direction of the pointer body 100, the indicating part 110 is used for indicating a detection value of the gas density relay, the fixing part 120 is used for fixing the pointer body 100, the needle cap 300, the insulating rod 200 and the balance weight 400 are all installed on the fixing part 120, the balance weight 400 is located at one end, far away from the indicating part 110, of the fixing part 120, the insulating rod 200 is closer to the indicating part 110 in the length direction of the pointer body 100 than the balance weight 400, and the needle cap 300 is located between the balance weight 400 and the insulating rod 200 in the length direction of the pointer body 100.
More specifically, in this embodiment, the fixing portion 120 is stamped to form a groove, and the depth direction of the groove is parallel to or located in the thickness direction of the fixing portion 120, so that the cross-sectional area of the pointer in the stress direction can be increased by stamping the groove, thereby avoiding the stress from being too concentrated, and further improving the deformation resistance of the pointer. In the use, pointer body 100 of this kind of structure stability is better, can avoid the pointer in the gas density relay to receive gas pressure to take place to warp, and then can improve the degree of accuracy of the gas density relay detected value in this embodiment.
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 depart from the spirit and scope of the present invention.
Claims (9)
1. A pointer for a gas density relay comprises a pointer body, a needle cap, an insulating rod and a balance block; the pointer is characterized in that the pointer body comprises a fixing part and an indicating part which are adjacent along the length direction of the pointer body, the indicating part is used for indicating a detection value of the gas density relay, the fixing part is used for fixing the pointer body, the needle cap, the insulating rod and the balance block are all arranged on the fixing part, the balance block is positioned at one end of the fixing part far away from the indicating part, the insulating rod is closer to the indicating part in the length direction of the pointer body than the balance block, and the needle cap is positioned between the balance block and the insulating rod in the length direction of the pointer body; and the number of the first and second electrodes,
the fixing part is punched to form a groove, and the depth direction of the groove is parallel to or located in the thickness direction of the fixing part.
2. The pointer for a gas density relay according to claim 1, wherein the groove includes a first groove and a second groove, and the first groove and the second groove are provided at intervals along a length direction of the fixing portion.
3. The gas density relay pointer as claimed in claim 2, wherein a rib is provided in each of the first recess and the second recess.
4. The gas density relay pointer of claim 3, wherein the rib is formed integrally with the first groove and the second groove, respectively.
5. The pointer for the gas density relay according to any one of claims 2 to 4, wherein the notch of the first groove and the notch of the second groove are both directed toward the side where the insulating rod is located.
6. The pointer for a gas density relay according to claim 5, wherein the first groove and the second groove are respectively located on both sides of the insulating rod in a length direction of the pointer body.
7. The pointer for a gas density relay according to claim 5, wherein a length direction of the first groove and the second groove is parallel to a length direction of the pointer body.
8. The pointer for a gas density relay according to claim 7, wherein the groove bottom of the first groove and the groove bottom of the second groove each protrude from a side of the fixing portion away from the insulating rod.
9. A gas density relay, characterized in that it comprises a pointer for a gas density relay according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921740001.4U CN210464783U (en) | 2019-10-17 | 2019-10-17 | Pointer for gas density relay and gas density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921740001.4U CN210464783U (en) | 2019-10-17 | 2019-10-17 | Pointer for gas density relay and gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464783U true CN210464783U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921740001.4U Active CN210464783U (en) | 2019-10-17 | 2019-10-17 | Pointer for gas density relay and gas density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210464783U (en) |
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2019
- 2019-10-17 CN CN201921740001.4U patent/CN210464783U/en active Active
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