CN211175593U - Check valve resetting tool - Google Patents

Abstract

The utility model relates to a check valve instrument that resets, ejector pin, elastomeric element and fixing base including the band-pass hole, elastomeric element sets up on the fixing base, the ejector pin sets up elastomeric element is last. The utility model discloses a check valve reset tool uses very conveniently, when SF6 equipment aerifys discovery check valve can't reset after accomplishing, the utility model discloses a check valve reset tool can reset the check valve rapidly, and need not to have a power failure and handle, has ensured the safe and reliable operation of equipment, has also improved work efficiency greatly.

Description

Check valve resetting tool

Technical Field

The utility model relates to a power equipment technical field, concretely relates to check valve instrument that resets.

Background

The uninterrupted air supply is an important work in the transformer substation and is also a work which is gradually popularized. And to the biggest difficult problem in the process of uninterrupted power supply air make-up operation how to handle the check valve of SF6 equipment, if the unable circumstances that resets of check valve takes place, the gas in the equipment will be leaked almost totally, seriously influences equipment normal operating, also has very big threat to staff's life safety. If the condition that the check valve can not reset occurs in the uninterrupted air supply work of the existing transformer substation, the inflation connector is used for plugging the inflation inlet, the equipment is powered off and then is processed, and the equipment is in a larger risk due to the fact that power failure needs a longer time and is a larger hidden danger, so that the power failure processing has certain danger, and the working efficiency is also very influenced.

SUMMERY OF THE UTILITY MODEL

In-process that the non-stop air make-up is carried out to SF6 equipment, need to have a power failure to handle when solving when the check valve can't reset appearing and lead to equipment to be in high-risk drawback and influence work efficiency's problem, the utility model provides a check valve reset tool, it is very convenient to use, when SF6 equipment aerifys finding the check valve can't reset after accomplishing, the utility model discloses a check valve reset tool can reset the check valve rapidly, and need not to have a power failure to handle, has ensured the safe and reliable operation of equipment, has also improved work efficiency greatly.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a check valve reset tool, includes ejector pin, elastomeric element and the fixing base of band-pass hole, elastomeric element sets up on the fixing base, the ejector pin sets up elastomeric element is last. The utility model discloses hold the fixing base with the hand when using, then embolia the check valve thimble with the ejector pin in order to reset, elastomeric element is in order to provide the ejector pin pressure when pushing up, if the ejector pin is for the thimble overlength of check valve, the spring also can play the effect of a buffering, avoided the further injury to the check valve, whole use has realized carrying out the in-process that does not have a power failure tonifying qi at SF6 equipment, can reset the processing when the check valve can't reset without power failure, the safe and reliable operation of equipment has been ensured, the work efficiency is also improved greatly.

Furthermore, one end of the ejector rod, which is far away from the elastic part, is inclined, so that the ejector rod can be easily sleeved on the ejector pin of the check valve, and the working efficiency is effectively improved.

Further, elastomeric element's top is provided with a spacing section of thick bamboo, the ejector pin sets up in the spacing section of thick bamboo, when using the ejector pin cover on the check valve thimble, take place to slide easily and lead to not sheathe in, use a spacing section of thick bamboo can overlap spacing section of thick bamboo on the check valve then use the ejector pin cover on the check valve thimble earlier, improved and overlapped the rate of accuracy and the efficiency on the check valve thimble with the ejector pin.

Further, the material of a spacing section of thick bamboo is transparent insulating rubber, and the material is soft, prevents to cause the harm to the check valve, and transparent texture is also convenient for observe the behavior.

Furthermore, the inside of spacing section of thick bamboo is provided with along its axial distribution's fold, increases and carries out spacing better with the frictional force between the check valve external screw thread.

Further, elastomeric element includes cushion and spring, the cushion sets up on the fixing base, a spacing section of thick bamboo sets up on the cushion, the spring sets up the middle part of cushion, the ejector pin sets up on the spring, also can cushion better when can provide pressure, prevent to cause the harm to the check valve.

Further, the ejector pin includes that base and inside are the hollow body of rod, the body of rod sets up on the base, the base sets up on the spring, for the ejector pin provides pressure better, resets the check valve better.

Furthermore, the shape of the fixing seat is a hexagonal prism, so that the fixing seat can be better held for reset operation.

Furthermore, the outer wall of the fixing seat is provided with anti-skidding lines, so that the anti-skidding effect is good.

Furthermore, the fixing base is made of stainless steel and hard in texture, so that the fixing base can be better held.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an in-process that whole use has realized carrying out the tonifying qi that does not have a power failure at SF6 equipment can not carry out the processing that resets when the check valve can't reset without a power failure, and it is more convenient to use, has ensured the safe and reliable operation of equipment, has also improved work efficiency greatly.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a check valve resetting tool according to the present invention;

fig. 2 is an internal schematic diagram of a check valve resetting tool of the present invention.

In the figure: 1. a top rod; 11. a base; 12. a rod body; 2. an elastic member; 21. an elastic pad; 22. a spring; 3. a fixed seat; 4. a limiting cylinder; 41. and (4) wrinkling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides an include:

as shown in fig. 1-2, a check valve resetting tool includes a top rod 1 with a through hole, an elastic component 2 and a fixing seat 3, wherein the elastic component 2 is arranged on the fixing seat 3, and the top rod 1 is arranged on the elastic component 2. The utility model discloses hold fixing base 3 with the hand when using, then embolia the check valve thimble with ejector pin 1 in order to reset, elastic component 2 is in order to provide the pressure when ejector pin 1 pushes up, if ejector pin 1 is for the thimble overlength of check valve, spring 22 also can play the effect of a buffering, the further injury to the check valve has been avoided, whole use has realized carrying out the in-process that does not have a power failure and supply qi at SF6 equipment, can reset the processing without having a power failure when the check valve can't reset, the safe and reliable operation of equipment has been ensured, the work efficiency has also been improved greatly.

In this embodiment, the end of the ejector rod 1 away from the elastic component 2 is inclined, so that the ejector rod 1 can be more easily sleeved on the thimble of the check valve, and the working efficiency is effectively improved.

As shown in fig. 1-2, a limiting cylinder 4 is arranged above the elastic component 2, the ejector rod 1 is arranged in the limiting cylinder 4, when the ejector rod 1 is sleeved on a thimble of the check valve, sliding easily occurs to cause no sleeving, the limiting cylinder 4 can be firstly sleeved on the check valve and then the ejector rod 1 is sleeved on the thimble of the check valve by using the limiting cylinder 4, and the accuracy and efficiency of sleeving the ejector rod 1 on the thimble of the check valve are improved.

In this embodiment, the material of spacing section of thick bamboo 4 is transparent insulating rubber, and the material is soft, prevents to cause the harm to the check valve, and transparent texture is convenient for observe the behavior.

As shown in fig. 2, the limiting cylinder 4 is provided with wrinkles 41 distributed along the axial direction, so as to increase the friction force between the limiting cylinder and the external thread of the check valve, and better limit the position.

As shown in fig. 2, the elastic component 2 includes an elastic cushion 21 and a spring 22, the elastic cushion 21 is disposed on the fixing seat 3, the limiting cylinder 4 is disposed on the elastic cushion 21, the spring 22 is disposed in the middle of the elastic cushion 21, and the ejector rod 1 is disposed on the spring 22, so that pressure can be provided while buffering can be better performed, and damage to the check valve can be prevented.

As shown in fig. 2, the push rod 1 includes a base 11 and an internal hollow rod 12, the rod 12 is disposed on the base 11, the base 11 is disposed on a spring 22, so as to better provide pressure for the push rod 1 and better reset the check valve.

In this embodiment, the shape of the fixing base 3 is a hexagonal prism, so that the fixing base 3 can be better held for resetting.

In this embodiment, the outer wall of fixing base 3 is provided with anti-skidding line, and is skid-proof effectual.

In this embodiment, the fixing base 3 is made of stainless steel, and is hard, so that the fixing base 3 can be better held.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a check valve instrument that resets, its characterized in that, includes ejector pin, elastomeric element and the fixing base of band-pass hole, elastomeric element sets up on the fixing base, the ejector pin sets up elastomeric element is last.

2. The check valve reset tool of claim 1 wherein an end of the ram distal from the resilient member is beveled.

3. The check valve resetting tool according to claim 1, wherein a limiting cylinder is arranged above the elastic member, and the ejector rod is arranged in the limiting cylinder.

4. The check valve reset tool of claim 3 wherein the limiting cylinder is made of transparent insulating rubber.

5. The check valve reset tool of claim 4 wherein the interior of the retention barrel is provided with corrugations distributed axially therealong.

6. The check valve resetting tool according to claim 4, wherein the elastic member comprises an elastic pad and a spring, the elastic pad is disposed on the fixing seat, the limiting cylinder is disposed on the elastic pad, the spring is disposed in the middle of the elastic pad, and the ejector rod is disposed on the spring.

7. The check valve resetting tool of claim 6, wherein the ram comprises a base and a hollow rod disposed on the base, and the base is disposed on the spring.

8. The check valve reset tool of any one of claims 1 to 7 wherein the holder has a hexagonal prism shape.

9. The check valve reset tool of claim 8 wherein the outer wall of the retaining seat is provided with non-slip threads.

10. The check valve reset tool of claim 8 wherein the retaining block is made of stainless steel.

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