Valve with protection function

Abstract

The valve with the protection function comprises a valve body, a connecting base is installed at the top end of the valve body, a rotating rod is installed at the top end of the connecting base, a hand wheel is installed at the top end of the rotating rod, and a protection box is installed on the outer side of the rotating rod. According to the protective device, the protective box is installed and can play a role in protecting the rotating rod so as to prevent the rotating rod from being damaged by collision of dust and external force, the protective box is composed of the first protective hoop and the second protective hoop, the protective box is divided into two groups, the protective box is convenient to install and detach, convenience is brought to workers, and the protective device is suitable for popularization and application. And meanwhile, through the clamping connection relation of the positioning blocks and the positioning grooves, the primary positioning effect can be achieved on the connection between the first protection hoop and the second protection hoop, and the phenomenon that the first protection hoop and the second protection hoop are dislocated during installation is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a valve with a protective function. Background Art

[0002] A valve is a device used to control the direction, pressure, and flow of a fluid in a fluid system. It is a device that allows the medium in pipes and equipment to flow or stop and control its flow. Existing valves are subject to severe weather when used outdoors, which will affect the life of the valve. The valve does not have a protective function, and the protective box is not convenient to install with the valve, and the protective box is not convenient to open.

[0003] China Patent Authorization Announcement No. CN (219623336) U discloses a valve with a protective function, including a valve body, a protective cover, a square shaft sleeve and a control shaft, the valve body has a valve plate shaft, the top of the valve plate shaft is a square shaft structure, the control shaft is formed by an upper round shaft and a lower square shaft, a hand wheel is fixedly installed on the top of the control shaft, a through hole is provided at the center of the top of the protective cover, and a removable rubber sealing cover is installed in the through hole. In an environment with poor air quality, the protective cover can protect the valve plate shaft of the valve body to prevent dust and oil from accumulating at the connection between the valve plate shaft and the valve body. The above-mentioned prior art solution has the following shortcomings: the technical solution can protect the square shaft sleeve and the control shaft by installing a protective cover to prevent dust from adhering to the outside thereof, but the protective cover is inconvenient to install and disassemble, and the sealing performance of the connection between the top of the protective cover and the shaft is relatively general, so we need to make further improvements to it. Utility Model Content

[0004] The utility model aims to provide a valve with a protective function to solve the problem that the protective cover of the valve proposed in the above background technology is inconvenient to disassemble.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve with a protective function, comprising a valve body, a connecting seat is installed at the top of the valve body, and a rotating rod is installed at the top of the connecting seat, a hand wheel is installed at the top of the rotating rod, a protective box is installed on the outside of the rotating rod, and the protective box consists of a first protective hoop and a second protective hoop, positioning blocks are installed at both ends of the first protective hoop close to the second protective hoop, positioning grooves are provided at both ends of the second protective hoop close to the first protective hoop, and the positioning grooves are adsorbed and connected to the positioning blocks by magnets.

[0006] When using a valve with a protective function according to the present technical solution, by installing a protective box, the rotating rod can be protected to prevent dust and external force collision from causing certain damage to the rotating rod. At the same time, the positioning block and the positioning groove can be used to prevent the first protective hoop and the second protective hoop from being misaligned during installation.

[0007] Preferably, through grooves are evenly arranged on both sides inside the protective box, and turning strips are installed inside the through grooves, turning knobs are installed at the tops of the turning strips, turning blocks are installed at the bottoms of the turning strips, turning grooves are evenly arranged on the tops of the connecting seats, and the turning grooves are connected to the turning blocks, and anti-slip teeth are evenly installed on the bottoms of the turning knobs.

[0008] Preferably, the cross-sections of the anti-slip teeth are all triangular, and are arranged at equal intervals at the bottom end of the knob.

[0009] Preferably, the size of the rotating groove is equal to that of the rotating block, and the cross-section of the rotating block is arranged to be T-shaped.

[0010] Preferably, a sealing ring is installed on the outer side of the rotating rod, a sealing block is arranged on the inner side of the protective box, and the sealing block is connected to the sealing ring.

[0011] Preferably, the size of the positioning blocks is equal to the size of the positioning grooves, and the cross-section of the positioning blocks is trapezoidal.

[0012] Preferably, the inner side of the sealing block matches the outer side of the sealing ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the valve with protection function not only realizes the protection function, but also improves the sealing performance;

[0014] (1) By installing the protection box, the rotating rod can be protected to prevent dust and external force from causing certain damage to the rotating rod. The protection box is composed of a first protection hoop and a second protection hoop. The protection box is divided into two groups, which is convenient for installation and removal of the protection box, bringing convenience to the staff. At the same time, through the engagement connection relationship between the positioning block and the positioning groove, the connection between the first protection hoop and the second protection hoop can be preliminarily positioned to prevent the first protection hoop and the second protection hoop from being misaligned during installation.

[0015] (2) By turning the knob to make it perpendicular to the through slot, the protective box can be easily installed on the top of the connecting seat to complete the fixed connection. At the same time, by fitting the sealing ring with the sealing block, the sealing performance of the protective box can be improved to prevent dust in the air from entering the interior of the protective box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a front view schematic diagram of the pavement structure of the utility model;

[0019] Figure 3 For the utility model Figure 2 Schematic diagram of the structure at A in the middle;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the protection box of the utility model from top view;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the sealing block and the sealing ring of the utility model.

[0022] Explanation of the reference numerals in the figure: 1. hand wheel; 2. turning rod; 3. protective box; 4. connecting seat; 5. valve body; 6. sealing block; 7. first protective hoop; 8. second protective hoop; 9. through groove; 10. turning strip; 11. turning block; 12. turning groove; 13. turning knob; 14. anti-slip teeth; 15. sealing ring; 16. positioning block; 17. positioning groove; 18. magnet. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model provides an embodiment: a valve with a protective function, comprising a valve body 5, a connecting seat 4 is installed at the top of the valve body 5, and a rotating rod 2 is installed at the top of the connecting seat 4;

[0025] A sealing ring 15 is installed on the outer side of the rotating rod 2, and a sealing block 6 is arranged on the inner side of the protective box 3. The sealing blocks 6 are connected to the sealing ring 15, and the inner side of the sealing block 6 is consistent with the outer side of the sealing ring 15.

[0026] Specifically, Figure 2 and Figure 5 As shown, when in use, the sealing ring 15 fits the sealing block 6, which can improve the sealing performance of the protection box 3 to prevent dust in the air from entering the interior of the protection box 3;

[0027] A hand wheel 1 is installed at the top of the rotating rod 2, and a protective box 3 is installed on the outer side of the rotating rod 2;

[0028] Through slots 9 are evenly arranged on both sides of the interior of the protective box 3, and a rotating bar 10 is installed inside the through slots 9, a rotating knob 13 is installed at the top of the rotating bar 10, and a rotating block 11 is installed at the bottom of the rotating bar 10. A rotating groove 12 is evenly arranged on the top of the connecting seat 4, and the rotating grooves 12 are connected to the rotating block 11. The bottom of the rotating knob 13 is evenly installed with anti-skid teeth 14, and the cross-section of the anti-skid teeth 14 is set to be triangular, which is evenly spaced at the bottom of the rotating knob 13. The size of the rotating groove 12 is equal to that of the rotating block 11, and the cross-section of the rotating block 11 is set to be T-shaped;

[0029] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, when in use, by rotating the knob 13 to make it perpendicular to the through slot 9, the protective box 3 is conveniently installed on the top of the connecting seat 4 to complete the fixed connection;

[0030] The protection box 3 is composed of a first protection hoop 7 and a second protection hoop 8. Positioning blocks 16 are installed at both ends of the first protection hoop 7 close to the second protection hoop 8.

[0031] The size of the positioning block 16 is equal to that of the positioning groove 17, and the cross-section of the positioning block 16 is set to be trapezoidal;

[0032] Specifically, Figure 4 As shown, when in use, the positioning block 16 and the positioning groove 17 can play a preliminary positioning effect on the connection between the first protective hoop 7 and the second protective hoop 8, so as to prevent the first protective hoop 7 and the second protective hoop 8 from being misaligned during installation;

[0033] Both ends of the second protective hoop 8 close to the first protective hoop 7 are provided with positioning grooves 17 , and the positioning grooves 17 are adsorbed and connected to the positioning blocks 16 via magnets 18 .

[0034] Working principle: When the utility model is in use, the first protective hoop 7 and the second protective hoop 8 are combined and spliced ​​together through the snap connection between the positioning block 16 and the positioning groove 17, so that the protective box 3 is sleeved on the outside of the rotating rod 2. At this time, the knob 13 is rotated to make it perpendicular to the through groove 9, so that the protective box 3 can be fixed on the top of the connecting seat 4, so as to achieve a protective effect;

[0035] The sealing performance of the protection box 3 can be improved by the fit between the sealing ring 15 and the sealing block 6 , so as to prevent dust in the air from entering into the protection box 3 .

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, i.e., they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative effort.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A valve with a protective function, comprising a valve body (5), characterized in that: A connecting seat (4) is installed at the top of the valve body (5), and a rotating rod (2) is installed at the top of the connecting seat (4), a hand wheel (1) is installed at the top of the rotating rod (2), a protective box (3) is installed on the outer side of the rotating rod (2), and the protective box (3) is composed of a first protective hoop (7) and a second protective hoop (8), both ends of the first protective hoop (7) close to the second protective hoop (8) are installed with positioning blocks (16), and both ends of the second protective hoop (8) close to the first protective hoop (7) are provided with positioning grooves (17), and the positioning grooves (17) are adsorbed and connected to the positioning blocks (16) through magnets (18).

2. A valve with a protective function according to claim 1, characterized in that: Through slots (9) are evenly arranged on both sides of the interior of the protection box (3), and a turning bar (10) is installed inside the through slots (9), a turning button (13) is installed at the top of the turning bar (10), and a turning block (11) is installed at the bottom of the turning bar (10), and a turning slot (12) is evenly arranged on the top of the connecting seat (4), and the turning slot (12) is connected to the turning block (11), and an anti-slip tooth (14) is evenly installed at the bottom of the turning button (13).

3. A valve with a protective function according to claim 2, characterized in that: The cross-sections of the anti-slip teeth (14) are all arranged in a triangular shape, and are arranged at equal intervals at the bottom end of the knob (13).

4. A valve with a protective function according to claim 2, characterized in that: The size of the rotating groove (12) is equal to that of the rotating block (11), and the cross-section of the rotating block (11) is arranged to be T-shaped.

5. The valve with protection function according to claim 1, characterized in that: A sealing ring (15) is installed on the outer side of the rotating rod (2), a sealing block (6) is arranged on the inner side of the protection box (3), and the sealing blocks (6) are connected to the sealing ring (15).

6. A valve with a protective function according to claim 1, characterized in that: The size of the positioning blocks (16) is equal to the size of the positioning grooves (17), and the cross-section of the positioning blocks (16) is arranged to be trapezoidal.

7. A valve with a protective function according to claim 5, characterized in that: The inner side of the sealing block (6) matches the outer side of the sealing ring (15).

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