CN217927170U - Novel manometer switch of structure - Google Patents
Novel manometer switch of structure Download PDFInfo
- Publication number
- CN217927170U CN217927170U CN202221613752.1U CN202221613752U CN217927170U CN 217927170 U CN217927170 U CN 217927170U CN 202221613752 U CN202221613752 U CN 202221613752U CN 217927170 U CN217927170 U CN 217927170U
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- valve rod
- buffer
- valve
- valve body
- pressure gauge
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Abstract
The utility model discloses a pressure gauge switch with a novel structure, which comprises a valve body and a valve rod, wherein a communicating chamber is arranged inside the valve body; a connecting seat protruding out of the surface of the valve body is arranged above the valve body; a valve control hole is formed in the connecting seat, and a limiting nut is connected to the outer part of the connecting seat through threads; the valve rod is in threaded connection with the valve control hole, one end of the valve rod penetrates through the limiting nut and then extends to the outer side, and the other end of the valve rod extends to the inside of the communicating chamber; and a buffer mechanism is arranged between the limiting nut and the connecting seat as well as between the limiting nut and the valve rod. The utility model arranges a mounting groove on the connecting seat of the valve body, and arranges a buffer mechanism composed of a first buffer part, a limit convex ring and a second buffer part in the mounting groove; when a user rotates the valve rod, the degree of closing or opening of the pressure gauge switch is judged through the feeling brought by the resistance generated by the buffer mechanism; meanwhile, the valve rod can be limited from excessively rotating relative to the valve body; effectively prevent the damage of valve rod and valve body, prolong this manometer switch's life.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a manometer switch of novel structure.
Background
The pressure gauge switch is the most common connector between the pressure gauge and the pressure measuring point; however, due to the limitation of the existing pressure gauge switch structure, the pressure gauge switch cannot be judged well whether to be completely closed or opened, and the valve rod and the valve body sealing part are easily abraded or damaged by excessively rotating the valve rod, so that the whole pressure gauge switch is scrapped.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a novel structure of a pressure gauge switch, wherein a mounting groove is arranged on a connecting seat of a valve body, and a buffer mechanism consisting of a first buffer member, a limit convex ring and a second buffer member is arranged in the mounting groove; when a user rotates the valve rod, the degree of closing or opening of the pressure gauge switch is judged through the feeling brought by the resistance generated by the buffer mechanism; meanwhile, the valve rod can be limited from excessively rotating relative to the valve body; effectively prevent the damage of valve rod and valve body, prolong this manometer switch's life.
The utility model discloses the technical scheme who adopts as follows:
a pressure gauge switch with a novel structure comprises a valve body and a valve rod, and is characterized in that a communicating chamber is arranged inside the valve body; a connecting seat protruding out of the surface of the valve body is arranged above the valve body; a valve control hole is formed in the connecting seat, and a limiting nut is connected to the outer part of the connecting seat through threads; the valve rod is in threaded connection with the valve control hole, one end of the valve rod penetrates through the limiting nut and then extends to the outer side, and the other end of the valve rod extends to the inside of the communicating chamber;
a liquid inlet is formed in the right side of the valve body, and a liquid outlet is formed in the left side or below the valve body; the liquid inlet is communicated with the communicating chamber through a liquid inlet straight hole; the liquid outlet is communicated with the communicating chamber through a liquid outlet straight hole;
and a buffer mechanism is arranged between the limiting nut and the connecting seat as well as between the limiting nut and the valve rod.
Preferably, the valve control hole consists of a first cylindrical section and a second cylindrical section which are sequentially arranged from top to bottom; a mounting groove is formed in the first cylindrical section; the mounting groove extends from the opening part of the connecting seat to the inside of the first cylindrical section;
the second cylindrical section is in threaded connection with the valve rod; and the buffer mechanism is fixedly arranged in the mounting groove under the action of the limiting nut.
Preferably, the buffering mechanism comprises a first buffering piece, a limiting convex ring and a second buffering piece;
the limiting convex ring is fixedly connected with the valve rod; the first buffer piece and the second buffer piece are respectively positioned above and below the limiting convex ring.
Preferably, the first buffer member and the second buffer member are buffer springs or buffer washers.
Preferably, two or more than two first sealing rings are arranged on the first cylindrical section of the valve rod.
Preferably, the liquid inlet and the liquid outlet are both provided with internal connecting threads;
a first buffer surface is formed at the communication position of the liquid inlet and the liquid inlet straight hole; a first annular sealing groove is formed in the first buffer surface; a second buffer surface is formed at the communication position of the liquid outlet and the liquid outlet straight hole; a second annular sealing groove is formed in the second buffer surface;
and the first annular sealing groove and the second annular sealing groove are both provided with second sealing rings.
Preferably, the communication chamber and the head of the valve rod are in inverted cone structures.
Preferably, the outer side of the connecting seat is further connected with a fixing nut in a threaded manner, and the fixing nut is located below the limiting nut.
Preferably, a hand wheel is detachably arranged at the tail part of the valve rod; the hand wheel is fixedly connected with the valve rod through a nut.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model arranges a mounting groove on the connecting seat of the valve body, and arranges a buffer mechanism composed of a first buffer part, a limit convex ring and a second buffer part in the mounting groove; when a user rotates the valve rod, the degree of closing or opening of the pressure gauge switch is judged through the feeling brought by the resistance generated by the buffer mechanism; meanwhile, the valve rod can be limited from excessively rotating relative to the valve body; effectively prevent the damage of valve rod and valve body, prolong this manometer switch's life.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C;
wherein: the valve comprises a valve body 1, a valve rod 2, a connecting seat 3, a limiting nut 4, a buffering mechanism 5, a first sealing ring 6, a second sealing ring 7, a fixing nut 8, a hand wheel 9, a screw cap 10, a communicating chamber 11, a liquid inlet 12, a liquid outlet 13, a liquid inlet straight hole 12a, a first annular sealing groove 12b, a liquid outlet straight hole 13a, a second annular sealing groove 13b, a valve control hole 31, a first cylindrical section 31a, a second cylindrical section 31b, a mounting groove 31c, a first buffering member 51, a second buffering member 52 and a limiting convex ring 53.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for purposes of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-5, a pressure gauge switch with a novel structure comprises a valve body 1 and a valve rod 2, and is characterized in that a communicating chamber 11 is arranged inside the valve body 1; a connecting seat 3 protruding out of the surface of the valve body 1 is arranged above the valve body 1; a valve control hole 31 is formed in the connecting seat 3, and a limit nut 4 is connected to the outer part of the connecting seat through threads; the valve rod 2 is in threaded connection with the valve control hole 31, one end of the valve rod penetrates through the limiting nut 4 and then extends to the outside, and the other end of the valve rod extends into the communicating chamber 11;
a liquid inlet 12 is arranged on the right side of the valve body 1, and a liquid outlet 13 is arranged on the left side or below the valve body; the liquid inlet 12 is communicated with the communicating chamber 11 through a liquid inlet straight hole 12 a; the liquid outlet 13 is communicated with the communicating chamber 11 through a liquid outlet straight hole 13 a;
and a buffer mechanism 5 is arranged between the limit nut 4 and the connecting seat 3 and between the limit nut and the valve rod 2.
In this embodiment, through the setting of buffer gear 5, can prevent that valve rod 2 from excessively rotating and damaging valve rod 2 or valve body 1, this manometer switch of effective protection.
Further, as shown in fig. 3 and 4, the valve control hole 31 is composed of a first cylindrical section 31a and a second cylindrical section 31b which are sequentially arranged from top to bottom; an installation groove 31c is formed in the first cylindrical section 31 a; the mounting groove 31c extends from the mouth of the connecting socket 3 to the inside of the first cylindrical section 31 a;
the second cylindrical section 31b is in threaded connection with the valve rod 2; the buffer mechanism 5 is fixedly arranged in the mounting groove 31c under the action of the limit nut 4.
Further, as shown in fig. 3 and 4, the buffering mechanism 5 includes a first buffering member 51, a limiting convex ring 53 and a second buffering member 52;
the limiting convex ring 53 is fixedly connected with the valve rod 2; the first cushion member 51 and the second cushion member 52 are respectively located above and below the stopper convex ring 53.
In the embodiment, when the pressure gauge switch needs to be closed, the valve rod 2 is rotated, and the valve rod 2 and the limit convex ring 53 move downwards relative to the valve body 1; in this process, the stopper ring 53 presses the second cushion member 52; the resistance to the rotation of the valve rod 2 is gradually increased by the reaction force of the second cushion member 52, so that the user can feel the resistance and judge whether the pressure gauge switch is completely turned off; conversely, when the pressure gauge switch needs to be opened, the valve rod 2 is rotated, and the valve rod 2 and the limiting convex ring 53 move upwards relative to the valve body 1; in this process, the limit protrusion ring 53 presses the first buffer 51; the resistance to the rotation of the valve rod 2 is gradually increased by the reaction force of the first cushion member 51, so that the user can feel the resistance and determine whether the pressure gauge switch is completely opened.
In addition, when the valve rod 2 rotates to the limit position (namely, the pressure gauge switch is closed or opened completely), under the combined action of the second buffer piece 52, the mounting groove 31c and the limiting convex ring 53 or the first buffer piece 51, the limiting nut 4 and the limiting convex ring 53, the excessive rotation of the valve rod 2 relative to the valve body 1 can be limited, so that the valve rod 2 and the valve body 1 are prevented from being damaged, and the service life of the pressure gauge switch is prolonged. Further, as shown in fig. 3 and 4, the first buffer member 51 and the second buffer member are buffer springs or buffer spacers.
Further, as shown in fig. 3 and 4, the valve rod 2 is provided with two or more first sealing rings 6 on the first cylindrical section 31 a.
In this embodiment, the sealing performance between the valve stem 2 and the valve control hole 31 is improved by the provision of the first seal ring 6.
Further, as shown in fig. 3 and 5, the liquid inlet 12 and the liquid outlet 13 are both provided with internal connecting threads;
a first buffer surface is formed at the communication position of the liquid inlet 12 and the liquid inlet straight hole 12 a; a first annular sealing groove 12b is formed in the first buffer surface; a second buffer surface is formed at the communication part of the liquid outlet 13 and the liquid outlet straight hole 13 a; a second annular sealing groove 13b is formed in the second buffer surface;
and the first annular sealing groove 12b and the second annular sealing groove 13b are both provided with a second sealing ring 7.
In this embodiment, through the arrangement of the first annular seal groove 12b and the second seal ring 7, and the arrangement of the second annular seal groove 13b and the second seal ring 7, the connection sealing performance between the liquid outlet 13 and the liquid inlet 12, and the external connection member is improved, and the oil leakage problem at the joint is effectively prevented.
Further, as shown in fig. 3 and 5, the communication chamber 11 and the head of the valve rod 2 are both in a reverse tapered structure.
In this embodiment, the communicating chamber 11 and the head of the valve rod 2 are arranged in an inverted cone structure, so that the contact area between the communicating chamber 11 and the head of the valve rod 2 can be reduced, the circulation at the communicating part between the communicating chamber 11 and the liquid inlet straight hole 12a and the liquid outlet straight hole 13a can be reduced, the impact of instant hydraulic pulse on the pressure gauge when the hydraulic pump is started is reduced in the opening or closing process, and the pressure gauge is protected; and meanwhile, the sealing performance during closing is improved.
Further, as shown in fig. 1 and 3, the outer side of the connecting seat 3 is further connected with a fixing nut 8 through a thread, and the fixing nut 8 is located below the limiting nut 4.
Further, as shown in fig. 1, 2 and 3, a hand wheel 9 is detachably arranged at the tail part of the valve rod 2; the hand wheel 9 is fixedly connected with the valve rod 2 through a nut 10.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.
Claims (9)
1. A pressure gauge switch with a novel structure comprises a valve body and a valve rod, and is characterized in that a communicating chamber is arranged inside the valve body; a connecting seat protruding out of the surface of the valve body is arranged above the valve body; a valve control hole is formed in the connecting seat, and a limiting nut is connected to the outer part of the connecting seat in a threaded manner; the valve rod is in threaded connection with the valve control hole, one end of the valve rod penetrates through the limiting nut and then extends to the outer side, and the other end of the valve rod extends to the inside of the communicating chamber;
a liquid inlet is formed in the right side of the valve body, and a liquid outlet is formed in the left side or below the valve body; the liquid inlet is communicated with the communicating chamber through a liquid inlet straight hole; the liquid outlet is communicated with the communicating chamber through a liquid outlet straight hole;
and a buffer mechanism is arranged between the limiting nut and the connecting seat as well as between the limiting nut and the valve rod.
2. The novel pressure gauge switch in claim 1, wherein the valve control hole is composed of a first cylindrical section and a second cylindrical section which are arranged from top to bottom in sequence; an installation groove is formed in the first cylindrical section; the mounting groove extends from the opening part of the connecting seat to the inside of the first cylindrical section;
the second cylindrical section is in threaded connection with the valve rod; and the buffer mechanism is fixedly arranged in the mounting groove under the action of the limiting nut.
3. The novel pressure gauge switch in a structure is characterized in that the buffering mechanism comprises a first buffering member, a limiting convex ring and a second buffering member;
the limiting convex ring is fixedly connected with the valve rod; the first buffer piece and the second buffer piece are respectively positioned above and below the limiting convex ring.
4. The pressure gauge switch with a novel structure as claimed in claim 3, wherein the first buffer member and the second buffer member are buffer springs or buffer washers.
5. The novel pressure gauge switch in claim 2, wherein the valve rod is provided with two or more first sealing rings on the first cylindrical section.
6. The pressure gauge switch with the novel structure as claimed in claim 1, wherein the liquid inlet and the liquid outlet are provided with internal connecting threads;
a first buffer surface is formed at the communication part of the liquid inlet and the liquid inlet straight hole; a first annular sealing groove is formed in the first buffer surface; a second buffer surface is formed at the communication position of the liquid outlet and the liquid outlet straight hole; a second annular sealing groove is formed in the second buffer surface;
and the first annular sealing groove and the second annular sealing groove are both provided with second sealing rings.
7. The novel pressure gauge switch in claim 1, wherein the communication chamber and the head of the valve rod are in reverse taper structures.
8. The novel pressure gauge switch in structure as claimed in claim 1, wherein a fixing nut is further connected to the outer side of the connecting seat in a threaded manner, and the fixing nut is located below the limiting nut.
9. The pressure gauge switch with the novel structure as claimed in claim 1, wherein a hand wheel is detachably arranged at the tail part of the valve rod; the hand wheel is fixedly connected with the valve rod through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221613752.1U CN217927170U (en) | 2022-06-27 | 2022-06-27 | Novel manometer switch of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221613752.1U CN217927170U (en) | 2022-06-27 | 2022-06-27 | Novel manometer switch of structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217927170U true CN217927170U (en) | 2022-11-29 |
Family
ID=84184207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221613752.1U Active CN217927170U (en) | 2022-06-27 | 2022-06-27 | Novel manometer switch of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217927170U (en) |
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2022
- 2022-06-27 CN CN202221613752.1U patent/CN217927170U/en active Active
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