Valve body shell, anti-explosion valve and water stop valve

Abstract

The valve body shell comprises a shell body, a valve cavity used for installing a valve element is formed in the shell body, and a water inlet side and a water outlet side are formed at the two ends of the shell body respectively. An external thread section is formed on the outer side wall of the shell body, and one end of the external thread section extends to the water inlet side; the outer wall of the shell body is further provided with a sealing ring used for installing a sealing ring, and the sealing ring is located at the end, away from the water inlet side, of the outer thread section. Compared with the prior art, the position of the external thread section on the valve body shell is improved so that the external thread section can be arranged close to the water inlet side, and sealing is achieved through the sealing ring. In this way, the occupation of the valve body shell on the original internal threads used for being connected with the angle valve faucet in the water supply pipe is reduced, and the connection stability of the angle valve faucet can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bathroom, specifically is a valve body shell, explosion -proof valve and stop valve. BACKGROUND

[0002] In the current market, explosion -proof valve and stop valve are usually installed in the water supply pipe joint inside through the outer thread on the valve body shell. Its installation principle is, the outer thread of valve body shell will be engaged with the original part of the inner thread in the water supply pipe joint. However, this installation mode has obvious disadvantages, because the outer thread of valve body shell occupies the inner thread in the water supply pipe joint, leading to the effective connection length of angle valve, faucet and the like is insufficient when connecting, and further prone to loose and water leakage phenomenon.

[0003] And because the valve body shell is connected to the inner thread in the water supply pipe joint, therefore its outer thread cannot be too long, leading to that the valve body shell connection is not stable enough. How to reduce the occupation of the valve body shell to the original inner thread of the water supply pipe joint for connecting the angle valve, and improve the connection firmness of the valve body shell, become the focus of the explosion -proof valve and stop valve manufacturer research direction.

[0004] In view of this, the present application person in the prior art in view of the above-mentioned defect in-depth research, and then have the case. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a valve body shell, explosion -proof valve and stop valve, which solves the problem of loose and water leakage of angle valve and faucet caused by excessive occupation of valve body shell to water supply pipe inner thread.

[0006] In order to achieve the above purpose, the solution of the utility model is:

[0007] A valve body shell, wherein, including shell body, the shell body has valve cavity for installing valve core in, the both ends of shell body form water inlet side and water outlet side respectively;The outer side wall of shell body is formed with outer thread section, one end of outer thread section extends to water inlet side;The outer wall of shell body is further provided with sealing ring for installing sealing ring, the sealing ring is located at one end of outer thread section away from water inlet side.

[0008] Further, the sealing ring is sleeved with a sealing ring.

[0009] Further, one end of the outer thread section is flush with the water inlet side.

[0010] Further, a large diameter section is formed on the shell body from the sealing ring to the water outlet side, the diameter of the large diameter section is greater than the large diameter of the outer thread section;The sealing ring is arranged between the large diameter section and the outer thread section.

[0011] Further, the minimum diameter of the sealing ring is smaller than the small diameter of the outer thread section, and the maximum diameter of the sealing ring is greater than the large diameter of the outer thread section.

[0012] Further, the axial length of the large diameter section is 0.5-2mm.

[0013] Further, the outer thread section has 4-10 turns of threads in the axial direction.

[0014] Further, the water outlet side of the shell body is provided with a sealing washer for abutting against the threaded joint of the faucet or angle valve.

[0015] An explosion-proof valve, comprising a valve body shell, a water inlet is formed in the valve body shell, an explosion-proof assembly is arranged in the valve cavity of the valve body shell, the explosion-proof assembly comprises a movable core and a spring sleeved outside the movable core, the spring abuts against the movable core from the water inlet direction to the water inlet direction, and the movable core can move back and forth in the installation cavity to block or open the water inlet according to the change of water pressure.

[0016] A water stop valve, comprising a valve body shell, a sliding cavity is arranged in the valve body shell, a movable rod is arranged in the sliding cavity in the axial direction, and a spring is sleeved outside the movable rod, a sealing washer is arranged at one end of the movable rod, a water stop pad is fixedly connected to the other end of the movable rod, an inlet is formed at one end of the sliding cavity close to the water stop pad and can be blocked by the water stop pad, a water passing cavity is formed in the movable rod, and a water passing hole is formed in the side of the movable rod and connects the water passing cavity and the inlet, and the movable rod has a water passing state and a water stopping state, the water stop pad is separated from the inlet when the movable rod is in the water passing state, and the water stop pad blocks the inlet when the movable rod is in the water stopping state.

[0017] After the above structure is adopted, the valve body shell, the explosion-proof valve and the water stop valve have at least the following beneficial effects:

[0018] I. By arranging the outer thread section on the outer side wall of the shell body close to the water inlet side, the outer thread section can be connected with the separate inner thread on the inner side of the water supply pipe, thereby reducing the occupation of the original inner thread of the water supply pipe for connecting the angle valve or the faucet.

[0019] II. After the outer thread section of the shell body is tightened, the sealing ring can abut against the stepped surface at the connection position of the two inner threads in the water supply pipe. The large diameter section provides a pressing force to the sealing ring, thereby further ensuring the sealing effect. Since the outer thread section is not connected to the inner thread of the water supply pipe joint for connecting the angle valve or the faucet, the number of turns of threads or the axial length of the outer thread section can be set as required to ensure the structural strength.

[0020] Compared with the prior art, the utility model discloses the position of the outer thread section on the valve body shell is improved, is set close to the water inlet side and is sealed through the sealing ring. Thus, the occupation of the original internal thread in the water supply pipe for connecting the angle valve faucet is reduced, and the connection stability of the angle valve faucet is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the sectional structure schematic view of stop valve.

[0022] Figure 2 It is the sectional structure schematic view of stop valve.

[0023] Figure 3 It is the sectional structure schematic view of stop valve installed in the water supply pipe.

[0024] Figure 4 It is the sectional structure schematic view of stop valve installed in another pipe.

[0025] Figure 5 It is the sectional structure schematic view of explosion-proof valve.

[0026] Figure 6 It is the sectional structure schematic view of explosion-proof valve.

[0027] Figure 7 It is the sectional structure schematic view of explosion-proof valve installed in the water supply pipe.

[0028] Figure 8 It is the sectional structure schematic view of explosion-proof valve installed in another pipe.

[0029] In the drawing:

[0030] Valve body shell 1;Shell body 10;Valve cavity 11;Water inlet side 12;Water outlet side 13;Outer thread section 14;Sealing ring 15;Sealing ring 151;Large diameter section 16;Sealing washer 17;Explosion-proof valve 2;Movable core 21;Stop valve 3;Movable rod 31;Water inlet 32;Water supply pipe 4. DETAILED DESCRIPTION

[0031] In order to further explain the technical scheme of the utility model, the utility model is described in detail below through specific embodiments.

[0032] As Figures 1 to 8As shown, it is a valve body shell related to the utility model, including shell body 10, the shell body 10 has the valve cavity 11 for installing valve core in, the both ends of shell body 10 form water inlet side 12 and water outlet side 13 respectively;The outer side wall of shell body 10 forms outer thread section 14, and one end of outer thread section 14 extends to water inlet side 12;The outer wall of shell body 10 is further provided with sealing ring 15 for installing sealing ring 151, and sealing ring 15 is located at the end of outer thread section 14 away from water inlet side 12. In this way, a valve body shell 1, an explosion-proof valve 2 and a stop valve 3 related to the utility model are provided, the outer thread section 14 is arranged on the outer side wall of shell body 10 close to water inlet side 12, so that the outer thread section 14 can be connected with the separate inner thread in the inside of water supply pipe 4, and the original inner thread in the water supply pipe for connecting with angle valve or faucet is reduced. Preferably, the sealing ring 151 is sleeved on the sealing ring 15, the sealing property is improved, and water leakage is prevented.

[0033] Preferably, one end of outer thread section 14 is flush with water inlet side 12. In this way, the length of outer thread section 14 is improved as much as possible, and the length of the outer side wall of shell body 10 is fully utilized.

[0034] Preferably, the large diameter section 16 is formed on the shell body 10 from sealing ring 15 to water outlet side 13, the diameter of large diameter section 16 is greater than the large diameter of outer thread section 14, and sealing ring 151 is arranged between large diameter section 16 and outer thread section 14. After outer thread section 14 of shell body 10 is tightened, sealing ring 151 can abut on the stepped surface at the connection of the two inner threads in the water supply pipe. Large diameter section 16 provides compression force to sealing ring 151, and further ensures the sealing effect. Preferably, the minimum diameter of sealing ring 15 is less than the small diameter of outer thread section 14, and the maximum diameter of sealing ring 151 is greater than the large diameter of outer thread section 14. Preferably, the axial length of large diameter section 16 is 0.5-2mm.

[0035] Outer thread section 14 has 4-10 turns of screw threads in the axial direction. Since outer thread section 14 is not connected to the inner thread in the water supply pipe joint for connecting with angle valve or faucet, the number of turns of screw threads on outer thread section 14, i.e. the axial length, can be set as required to ensure the structural strength.

[0036] Preferably, water outlet side 13 of shell body 10 is provided with sealing washer 17 for abutting with the threaded joint of faucet or angle valve.

[0037] The utility model also provides an explosion-proof valve 2, such as Figures 1-4As shown, including valve body shell 1, the valve body shell 1 is formed with water gap, the valve cavity 11 of valve body shell 1 is provided with explosion-proof assembly, the explosion-proof assembly includes movable core 21 and spring, the spring is abutted on movable core 21 from water gap direction to water inlet direction, the movable core 21 can move back and forth in the installation cavity with the change of water pressure to block or open the water gap. Thus realize in the burst of angle valve or faucet, because water flow increases instantaneously, movable core 21 will move with water flow, and the water gap is blocked.

[0038] The utility model also provides a water stop valve 3, such as Figures 5 to 8 As shown, including valve body shell 1, the valve body shell 1 is formed with water gap, the valve cavity 11 of valve body shell 1 is provided with explosion-proof assembly, the explosion-proof assembly includes movable core 21 and spring, the spring is abutted on movable core 21 from water gap direction to water inlet direction, the movable core 21 can move back and forth in the installation cavity with the change of water pressure to block or open the water gap. Thus realize in the burst of angle valve or faucet, because water flow increases instantaneously, movable core 21 will move with water flow, and the water gap is blocked.

[0039] Compared with the prior art, the position of the external thread section 14 on the valve body shell 1 is improved, which is arranged close to the water inlet side 12, and sealing is realized by the sealing ring 151. In this way, the occupation of the original internal thread in the water supply pipe for connecting the angle valve faucet is reduced, which is beneficial to improve the connection stability of the angle valve faucet.

[0040] The above embodiments and drawings do not limit the product form and style of the utility model, and any appropriate changes or modifications made by ordinary skilled persons in the art shall be considered as not departing from the patent scope of the utility model.

Claims

1. A valve body housing, characterized by, The valve body shell comprises a shell body with a valve cavity for installing a valve core, and the two ends of the shell body form a water inlet side and a water outlet side respectively; an outer thread section is formed on the outer wall of the shell body, and one end of the outer thread section is close to the water inlet side; a sealing ring for installing a sealing ring is arranged on the outer wall of the shell body, and the sealing ring is located at one end of the outer thread section away from the water inlet side.

2. A valve body housing as claimed in claim 1, wherein A sealing ring is sleeved on the sealing ring.

3. A valve body housing as claimed in claim 1, wherein One end of the outer thread section is flush with the water inlet side.

4. A valve body housing as claimed in claim 2, wherein A large diameter section is formed on the shell body of the sealing ring to the water outlet side, and the diameter of the large diameter section is greater than the large diameter of the outer thread section; the sealing ring is arranged between the large diameter section and the outer thread section.

5. A valve body housing as claimed in claim 4, wherein The minimum diameter of the sealing ring is smaller than the small diameter of the outer thread section, and the maximum diameter of the sealing ring is greater than the large diameter of the outer thread section.

6. A valve body housing as claimed in claim 4, wherein The axial length of the large diameter section is 0.5-2mm.

7. A valve body housing as claimed in claim 1, wherein, The outer thread section has 4-10 turns of thread in the axial direction.

8. A valve body housing as claimed in claim 1, wherein, A sealing gasket is arranged on the water outlet side of the shell body for abutting with the threaded joint of a faucet or angle valve.

9. An explosion relief valve characterized in that The valve body shell comprises a shell body with a valve cavity for installing a valve core, and the two ends of the shell body form a water inlet side and a water outlet side respectively; an outer thread section is formed on the outer wall of the shell body, and one end of the outer thread section is close to the water inlet side; a sealing ring for installing a sealing ring is arranged on the outer wall of the shell body, and the sealing ring is located at one end of the outer thread section away from the water inlet side.

10. A stop water valve characterized by, The valve body shell comprises a shell body with a valve cavity for installing a valve core, and the two ends of the shell body form a water inlet side and a water outlet side respectively; an outer thread section is formed on the outer wall of the shell body, and one end of the outer thread section is close to the water inlet side; a sealing ring for installing a sealing ring is arranged on the outer wall of the shell body, and the sealing ring is located at one end of the outer thread section away from the water inlet side.

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