CN207750507U - A kind of air-conditioning safety valve - Google Patents

Abstract

The utility model discloses a kind of air-conditioning safety valves, including valve body, hexagonal bonnet, valve rod and outer ring are equipped with the nut of anti-slop serrations, valve rod is equipped with by internal thread external screw thread in valve body, longitudinally connected head is installed on valve body, longitudinally connected head with valve body is integrally manufactured forms, the cavity communicated with valve chamber is offered in longitudinally connected head, valve body one end is connected with nut, internal thread is offered on the nut inner wall, two symmetrical card slots are offered on nut inner wall, in nut the first sealing ring and clamp spring are embedded with valve body one end, the valve body other end is equipped with hexagonal bonnet by screw thread, the second sealing ring is socketed on valve rod, valve rod outer end is connected with the switching knob that outer ring is equipped with anti-slop serrations；The longitudinally connected head of the utility model improves the sealing performance of air-conditioning safety valve with valve body unitary design and the first sealing ring, the second sealing ring, O-ring and clamp spring, and processes and assemble all time-consuming fertilizer, reduces cost, improves efficiency.

Description

A kind of air-conditioning safety valve

Technical field

The utility model is related to art of refrigeration units, especially a kind of air-conditioning safety valve.

Background technology

Valve body structure on the market is split type, will pass through and assemble, it is easy to cause to reveal, and processing and group The all time-consuming fertilizer of dress, increases cost, and the design of market upper cap nut and valve body can be with spinning in and out, it is easy to cause It damages and reveals, be based on this, we devise a kind of integrated air conditioner safety valve.

Utility model content

The purpose of this utility model is to provide a kind of integral type, substantially reduce leak degree, raising security performance, saving The air-conditioning safety valve of cost.

In order to achieve the above object, the technical solution of the utility model is：

A kind of air-conditioning safety valve, including valve body, hexagonal bonnet, valve rod and outer ring are equipped with the nut of anti-slop serrations, the valve body The valve chamber of installation valve rod is inside offered, internal thread is offered on the valve cavity wall of the valve body, external screw thread is offered on the valve rod, Valve rod is equipped with by internal thread external screw thread in the valve body, longitudinally connected head is installed on the valve body, it is described longitudinally connected Head with valve body is integrally manufactured forms, the cavity communicated with valve chamber is offered in the longitudinally connected head, described valve body one end connects There is nut, internal thread is offered on the nut inner wall, two symmetrical card slots, the nut are offered on the nut inner wall Interior to be embedded with the first sealing ring and clamp spring with valve body one end, the valve body other end is equipped with hexagonal bonnet, the valve by screw thread The second sealing ring is socketed on bar, the valve rod outer end is connected with the switching knob that outer ring is equipped with anti-slop serrations, valve rod side outer ring Equipped with connected O-ring is contacted in valve body.

The valve rod is divided into construction section, seal section, linkage section, heavy caliber section and small-bore section, the heavy caliber section It is located at the same central axes of cavity in vertical direction, the seal section includes two spacing collars, is socketed between two spacing collar Second sealing ring.

The utility model has the beneficial effects that：The internal structure of the utility model includes mainly valve body, hexagonal bonnet, valve rod The nut of anti-slop serrations is equipped with outer ring, the structure of clamp spring can only enter, longitudinally connected head and valve body unitary design, valve rod Cooperation valve body of a tightly knit structure requires and sealing performance design, and in addition the first sealing ring, the second sealing ring, O-ring and clamp spring carry The sealing performance of high air-conditioning safety valve, and all time-consuming fertilizer is processed and assembles, cost is reduced, efficiency, and this are improved Utility structure is simple, highly practical, is suitble to promote.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of valve rod in Fig. 1.

Specific implementation mode

Embodiment 1

A kind of air-conditioning safety valve as shown in Figure 1, 2, including valve body 1, hexagonal bonnet 2, valve rod 3 and outer ring are equipped with anti-slop serrations Nut 4 offers the valve chamber 5 of installation valve rod 3 in the valve body 1, internal thread is offered on 5 wall of valve chamber of the valve body 1, described External screw thread is offered on valve rod 3, the valve body 1 is interior to be equipped with valve rod 3 by internal thread external screw thread, is equipped on the valve body 1 Longitudinally connected head 6, the longitudinally connected head 6 with valve body 1 is integrally manufactured forms, it is one to change the split type of traditional air conditioner safety valve Body formula improves sealing performance, and the cavity 7 communicated with valve chamber 5, the connection of 1 one end of the valve body are offered in the longitudinally connected head 6 There is nut 4, internal thread is offered on 4 inner wall of the nut, two symmetrical card slots 9 are offered on 4 inner wall of the nut, it is described It is embedded with the first sealing ring 10 and clamp spring 8 with 1 one end of valve body in nut 4, it is such to design the degree for both having reduced leakage, nut 4 Also it cannot be extracted after being completed, reduce damaged condition；1 other end of the valve body is equipped with hexagonal bonnet 2 by screw thread, described The second sealing ring 11 is socketed on valve rod 3,3 outer end of the valve rod is connected with the switching knob 12 that outer ring is equipped with anti-slop serrations, described Valve rod（3）Side outer ring is equipped with and valve body（1）The connected O-ring of interior contact（51）.

The valve rod 3 is divided into construction section 31, seal section 32, linkage section 33, heavy caliber section 34 and small-bore section 35, institute State heavy caliber section 34 in vertical direction be located at 7 same central axes of cavity, the seal section 32 include two spacing collars 36, described two The second sealing ring 11, structure design compact and reasonable are socketed between spacing collar 36, cooperation valve body requires and sealing performance design, Improve overall sealing performance.

A kind of air-conditioning safety valve of the utility model, including valve body, hexagonal bonnet, valve rod and outer ring are equipped with the spiral shell of anti-slop serrations Cap offers the valve chamber of installation valve rod in valve body, offers internal thread on the valve cavity wall of valve body, external screw thread is offered on valve rod, Valve rod is equipped with by internal thread external screw thread in valve body, longitudinally connected head, longitudinally connected head and valve body one are installed on valve body It is fabricated, offers the cavity communicated with valve chamber in longitudinally connected head, valve body one end is connected with nut, on the nut inner wall Offer internal thread, offer two symmetrical card slots on nut inner wall, in nut with valve body one end embedded with the first sealing ring and Clamp spring, the valve body other end are equipped with hexagonal bonnet by screw thread, and the second sealing ring is socketed on valve rod, and valve rod outer end is connected with outer Switching knob of the circle equipped with anti-slop serrations；The longitudinally connected head of the utility model and valve body unitary design, stem structure is rigorous to match Valve body requirement and sealing performance design are closed, in addition the first sealing ring, the second sealing ring, O-ring and clamp spring improve air-conditioning safety The sealing performance of valve, and all time-consuming fertilizer is processed and assembles, cost is reduced, efficiency is improved.

Claims (2)

1. a kind of air-conditioning safety valve, it is characterised in that：Including valve body（1）, hexagonal bonnet（2）, valve rod（3）It is equipped with outer ring anti-skidding The nut of tooth（4）, the valve body（1）Inside offer installation valve rod（3）Valve chamber（5）, the valve body（1）Valve chamber（5）On wall Offer internal thread, the valve rod（3）On offer external screw thread, the valve body（1）It is interior that valve is equipped with by internal thread external screw thread Bar（3）, the valve body（1）On longitudinally connected head is installed（6）, the longitudinally connected head（6）With valve body（1）It is integrally manufactured and At the longitudinally connected head（6）It inside offers and valve chamber（5）The cavity communicated（7）, the valve body（1）One end is connected with nut （4）, the nut（4）Internal thread, the nut are offered on inner wall（4）Two symmetrical card slots are offered on inner wall（9）, institute State nut（4）Inner wall and valve body（1）Outer wall is embedded with clamp spring by jump-ring slot（8）, the valve body（1）One end is embedded with and nut（4） The first connected sealing ring of inner wall（10）, the valve body（1）The other end is equipped with hexagonal bonnet by screw thread（2）, the valve rod （3）On be socketed with the second sealing ring（11）, the valve rod（3）Outer end is connected with the switching knob that outer ring is equipped with anti-slop serrations（12）, The valve rod（3）Side outer ring is equipped with and valve body（1）The connected O-ring of interior contact（51）.

2. a kind of air-conditioning safety valve according to claim 1, it is characterised in that：The valve rod（3）It is divided into construction section （31）, seal section（32）, linkage section（33）, heavy caliber section（34）With small-bore section（35）, the heavy caliber section（34）Vertical It is located at cavity on direction（7）Same central axes, the seal section（32）Including two spacing collars（36）, two spacing collar（36）It Between be socketed with the second sealing ring（11）.