Machine valve capable of preventing mistaken opening
By designing a machine valve with multiple sets of bolts, ring seats, moving arms, drive devices and other components, the problem of misoperation of existing valves is solved, locking the valve shaft is achieved, and the safety and reliability of the valve is improved. .
Patent Information
- Application Number
- CN202421096294.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing valves lack locking devices, which can easily cause the valve body to open due to misoperation of the staff.
A machine valve including a valve body, a valve shaft, multiple sets of bolts, annular seat, a moving arm, a drive device, a fixing device, a clamping device and a fastening device are designed. Through the coordination of these components, the valve shaft is realized. lock.
It effectively avoids the valve body opening problem caused by misoperation of staff and ensures the safety and reliability of the valve.
Smart Images
Figure CN222437191U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valves, in particular to a machine valve with the function of preventing accidental opening. Background Art
[0002] Machine valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. Valves are control components in fluid conveying systems and have functions such as shut-off, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief.
[0003] Usually valves lack locking devices, which makes it easy for workers to open the valve by mistake. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a machine valve with anti-misopening function, which can lock the valve shaft by setting this device, thereby preventing the staff from mistakenly operating the valve shaft to open the valve body.
[0005] The utility model discloses a machine valve with the function of preventing accidental opening, comprising a valve body, a valve shaft, a plurality of first bolts, an annular seat, four groups of clamping rods, two groups of movable arms, a driving device, a fixing device, a clamping device and a snap-fitting device. The valve shaft is rotatably mounted on the valve body, the annular seat is mounted on the top of the valve body through the plurality of first bolts, the annular seat is located on the outside of the valve shaft, the two groups of movable arms are rotatably mounted on the left and right ends of the annular seat respectively, the four groups of clamping rods are respectively mounted on the inner ends of the two groups of movable arms, the left and right ends of the valve shaft are both provided with clamping grooves, the four groups of clamping rods are respectively matched and clamped with the four groups of clamping grooves on the valve shaft, the driving device is mounted on the front and rear ends of the annular seat, the driving device is matched and connected with the two groups of movable arms, the fixing device is mounted on the top ends of the two groups of movable arms, the clamping device is mounted on the fixing device, the snap-fitting device is mounted on the top end of the fixing device, and the snap-fitting device is matched and clamped with the top end of the valve shaft.
[0006] Preferably, the driving device includes four groups of electric push rods, four groups of floating joints, two groups of swivel seats and four groups of sliders. The two groups of swivel seats are rotatably installed at the front end and rear end of the annular seat respectively. The four groups of electric push rods are respectively installed at the inner ends of the two groups of swivel seats through four groups of floating joints. The four groups of sliders are respectively rotatably installed at the top ends of the four groups of electric push rods. Slide grooves are provided at the front end and rear end of the two groups of moving arms, and the four groups of sliders slide in the four groups of slide grooves of the two groups of moving arms.
[0007] Preferably, the fixing device includes two groups of connecting arms, two groups of connecting rods and two groups of clamping rods II. The two groups of connecting arms are rotatably installed on the top ends of the two groups of movable arms, the two groups of connecting rods are rotatably installed on the front and rear ends of the left connecting arm, the two groups of clamping rods II are installed on the front and rear ends of the right connecting arm, the two groups of connecting rods are clamped together with the two groups of clamping rods II, and the clamping device and the snap-fitting device are installed on the two groups of connecting arms.
[0008] Preferably, the clamping device includes eight groups of pads, four groups of second bolts and four groups of clamping plates. The middle parts of the two groups of connecting arms are connected with through grooves. The eight groups of pads are respectively located on the inner and outer sides of the through grooves of the two groups of connecting arms. The four groups of clamping plates are respectively installed on the four inner groups of pads. The eight groups of pads are connected with threaded holes. The four groups of second bolts are respectively threadedly connected to each two groups of corresponding pads.
[0009] Preferably, the snap-fit device includes two groups of snap plates, which are rotatably mounted on the top ends of the two groups of connecting arms respectively, and the two groups of snap plates are clamped in cooperation with the top end of the valve shaft.
[0010] Preferably, two groups of rubber pads are further included, and the two groups of rubber pads are respectively installed on the inner sides of the two groups of gusset plates.
[0011] Preferably, rubber pads are provided on the inner sides of the four groups of clamping plates.
[0012] Compared with the prior art, the utility model has the following beneficial effects: by opening the driving device, the driving device drives the two groups of movable arms to merge inwardly; when the two groups of movable arms are in a vertical state, the driving device is closed, and the four groups of clamping rods on the two groups of movable arms are clamped with the four groups of clamping grooves on the valve shaft; then the two groups of movable arms are connected and stabilized by the fixing device, and then the top of the valve shaft is clamped by the clamping device, and then the top of the valve shaft is buckled and locked by the snap-fitting device; by setting this device, the valve shaft can be locked, thereby preventing the staff from accidentally operating the valve shaft to open the valve body. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;
[0014] Figure 2 It is a second perspective structural schematic diagram of the utility model;
[0015] Figure 3 yes Figure 2 A is a schematic diagram of the enlarged structure of the middle part;
[0016] Figure 4 yes Figure 2 Schematic diagram of the enlarged structure of B;
[0017] Markings in the attached figure: 1. valve body; 2. valve shaft; 3. first bolt; 4. annular seat; 5. clamping rod 1; 6. moving arm; 7. electric push rod; 8. floating joint; 9. swivel seat; 10. slider; 11. slide groove; 12. connecting arm; 13. connecting rod; 14. clamping rod 2; 15. pad; 16. second bolt; 17. splint; 20. rubber pad; 21. buckle plate. DETAILED DESCRIPTION
[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0019] like Figures 1 to 4 As shown, a machine valve with anti-misopening function of the utility model comprises a valve body 1, a valve shaft 2, multiple groups of first bolts 3, an annular seat 4, four groups of clamping rods 5, two groups of movable arms 6, a driving device, a fixing device, a clamping device and a buckling device, the valve shaft 2 is rotatably mounted on the valve body 1, the annular seat 4 is mounted on the top of the valve body 1 through multiple groups of first bolts 3, the annular seat 4 is located on the outside of the valve shaft 2, the two groups of movable arms 6 are rotatably mounted on the left and right ends of the annular seat 4, the four groups of clamping rods 5 are respectively mounted on the inner ends of the two groups of movable arms 6, the left and right ends of the valve shaft 2 are both provided with clamping grooves, the four groups of clamping rods 5 are respectively clamped with the four groups of clamping grooves on the valve shaft 2, the driving device is mounted on the front and rear ends of the annular seat 4, the driving device is connected with the two groups of movable arms 6, the fixing device is mounted on the top of the two groups of movable arms 6, the clamping device is mounted on the fixing device, the buckling device is mounted on the top of the fixing device, and the buckling device is clamped with the top of the valve shaft 2;
[0020] By opening the driving device, the driving device drives the two groups of movable arms 6 to merge inward. When the two groups of movable arms 6 are in a vertical state, the driving device is closed, and the four groups of clamping rods 5 on the two groups of movable arms 6 are clamped with the four groups of clamping grooves on the valve shaft 2. Then, the two groups of movable arms 6 are connected and stabilized by the fixing device, and then the top of the valve shaft 2 is clamped by the clamping device, and then the top of the valve shaft 2 is buckled and locked by the buckling device. By setting this device, the valve shaft 2 can be locked, thereby preventing the staff from accidentally operating the valve shaft 2 to open the valve body 1.
[0021] As a preferred embodiment of the above, the driving device includes four groups of electric push rods 7, four groups of floating joints 8, two groups of rotating seats 9 and four groups of sliders 10. The two groups of rotating seats 9 are rotatably mounted on the front end and the rear end of the annular seat 4 respectively. The four groups of electric push rods 7 are respectively mounted on the inner ends of the two groups of rotating seats 9 through the four groups of floating joints 8. The four groups of sliders 10 are respectively rotatably mounted on the top ends of the four groups of electric push rods 7. The front ends and the rear ends of the two groups of moving arms 6 are both provided with slide grooves 11. The four groups of sliders 10 slide in the four groups of slide grooves 11 of the two groups of moving arms 6.
[0022] By setting the electric push rod 7, floating joint 8, swivel seat 9, slider 10 and slide groove 11, by opening the four groups of electric push rods 7, the four groups of electric push rods 7 drive the two groups of moving arms 6 to merge inward through the four groups of sliders 10, and the four groups of sliders 10 slide in the four groups of slide grooves 11. When the two groups of moving arms 6 are in a vertical state, the four groups of electric push rods 7 are closed, so that the four groups of clamping rods 5 on the two groups of moving arms 6 are engaged with the valve shaft 2, thereby completing the locking of the valve shaft 2.
[0023] As a preferred embodiment of the above, the fixing device includes two groups of connecting arms 12, two groups of connecting rods 13 and two groups of clamping rods 14. The two groups of connecting arms 12 are rotatably mounted on the tops of the two groups of moving arms 6, respectively. The two groups of connecting rods 13 are rotatably mounted on the front and rear ends of the left connecting arm 12, respectively. The two groups of clamping rods 14 are respectively mounted on the front and rear ends of the right connecting arm 12, respectively. The two groups of connecting rods 13 are respectively clamped with the two groups of clamping rods 14, and the clamping device and the buckling device are both mounted on the two groups of connecting arms 12;
[0024] By setting the connecting arm 12, the connecting rod 13 and the second clamping rod 14, the two groups of connecting arms 12 are merged inwardly, and then the two groups of connecting rods 13 and the two groups of clamping rods 14 are clamped together, so that the two groups of moving arms 6 are stabilized as a whole, thereby playing a role in stabilizing the two groups of moving arms 6.
[0025] As a preferred embodiment of the above, the clamping device includes eight groups of pads 15, four groups of second bolts 16 and four groups of clamps 17. The middle parts of the two groups of connecting arms 12 are connected with through grooves. The eight groups of pads 15 are respectively located on the inner and outer sides of the through grooves of the two groups of connecting arms 12. The four groups of clamps 17 are respectively installed on the four groups of inner pads 15. The eight groups of pads 15 are connected with threaded holes. The four groups of second bolts 16 are respectively threadedly connected with each two groups of corresponding pads 15.
[0026] By setting the backing plate 15, the second bolts 16 and the clamping plate 17, the four groups of clamping plates 17 are slid to a suitable position, and the four groups of clamping plates 17 clamp the top of the valve shaft 2, and then the four groups of second bolts 16 are rotated, and the four groups of second bolts 16 are threadedly connected with the eight groups of backing plates 15, so as to fix the four groups of clamping plates 17 and clamp the valve shaft 2.
[0027] As a preferred embodiment of the above, the buckling device includes two sets of buckle plates 21, which are rotatably mounted on the top ends of the two sets of connecting arms 12, and the two sets of buckle plates 21 are clamped with the top ends of the valve shaft 2;
[0028] By providing the buckle plates 21 and by pulling the two groups of buckle plates 21 , the two groups of buckle plates 21 are buckled with the top of the valve shaft 2 , so as to further fix the valve shaft 2 .
[0029] As a preferred embodiment of the above embodiment, two groups of rubber pads 20 are further included, and the two groups of rubber pads 20 are respectively installed on the inner sides of the two groups of gusset plates 21;
[0030] By providing the rubber pad 20 , it is possible to avoid direct contact between the pinch plate 21 and the valve shaft 2 , which may cause wear on the valve shaft 2 .
[0031] As a preferred embodiment of the above, rubber pads are arranged on the inner sides of the four groups of clamping plates 17;
[0032] The friction between the clamping plate 17 and the valve shaft 2 can be increased, thereby improving the stability of clamping the valve shaft 2.
[0033] The utility model is a machine valve with anti-misopening function. When working, the four sets of electric push rods 7 are first opened, and the four sets of electric push rods 7 drive the two sets of moving arms 6 to merge inwards through the four sets of sliders 10. The four sets of sliders 10 slide in the four sets of slide grooves 11. When the two sets of moving arms 6 are in a vertical state, the four sets of electric push rods 7 are closed, and the four sets of clamping rods 5 on the two sets of moving arms 6 are matched with the four sets of clamping grooves on the valve shaft 2, and then the two sets of connecting arms 12 are merged inwards, and then the two sets of connecting arms 12 are combined. The two groups of connecting rods 13 and the two groups of clamping rods 14 are clamped together to stabilize the two groups of movable arms 6 as a whole. Then, the four groups of clamping plates 17 are slid to a suitable position, and the four groups of clamping plates 17 clamp the top of the valve shaft 2. Then, the four groups of second bolts 16 are rotated, and the four groups of second bolts 16 are threadedly connected with the eight groups of pads 15 to fix the four groups of clamping plates 17. Then, the two groups of buckle plates 21 are pulled to make the two groups of buckle plates 21 buckle with the top of the valve shaft 2, thereby further locking the valve shaft 2.
[0034] The installation method, connection method or setting method of the machine valve with anti-misopening of the utility model are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the electric push rod 7 of the machine valve with anti-misopening of the utility model is purchased on the market, and technicians in this industry only need to install and operate it according to the accompanying instruction manual.
[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A machine valve with anti-misopening function, characterized in that: The invention comprises a valve body (1), a valve shaft (2), a plurality of first bolts (3), an annular seat (4), four clamping rods (5), two movable arms (6), a driving device, a fixing device, a clamping device and a snap-fit device, wherein the valve shaft (2) is rotatably mounted on the valve body (1), the annular seat (4) is mounted on the top of the valve body (1) through the plurality of first bolts (3), the annular seat (4) is located outside the valve shaft (2), the two movable arms (6) are rotatably mounted on the left and right ends of the annular seat (4), respectively, the four clamping rods (5) are mounted on the left and right ends of the annular seat (4), and the valve shaft (2) is mounted on the right and left ends of the annular seat (4). (5) are respectively mounted on the inner ends of the two groups of movable arms (6), the left and right ends of the valve shaft (2) are both provided with card slots, the four groups of card rods (5) are respectively engaged with the four groups of card slots on the valve shaft (2), the driving device is mounted on the front and rear ends of the annular seat (4), the driving device is engaged with the two groups of movable arms (6), the fixing device is mounted on the top ends of the two groups of movable arms (6), the clamping device is mounted on the fixing device, the buckling device is mounted on the top end of the fixing device, and the buckling device is engaged with the top end of the valve shaft (2).
2. A machine valve with anti-misopening function as claimed in claim 1, characterized in that: The driving device comprises four groups of electric push rods (7), four groups of floating joints (8), two groups of rotating seats (9) and four groups of sliding blocks (10). The two groups of rotating seats (9) are respectively rotatably mounted on the front end and the rear end of the annular seat (4). The four groups of electric push rods (7) are respectively mounted on the inner ends of the two groups of rotating seats (9) through the four groups of floating joints (8). The four groups of sliding blocks (10) are respectively rotatably mounted on the top ends of the four groups of electric push rods (7). The front ends and the rear ends of the two groups of moving arms (6) are both provided with sliding grooves (11). The four groups of sliding blocks (10) slide in the four groups of sliding grooves (11) of the two groups of moving arms (6).
3. A machine valve with anti-misopening function as claimed in claim 2, characterized in that: The fixing device comprises two groups of connecting arms (12), two groups of connecting rods (13) and two groups of second clamping rods (14). The two groups of connecting arms (12) are rotatably mounted on the top ends of the two groups of movable arms (6), the two groups of connecting rods (13) are rotatably mounted on the front end and the rear end of the left connecting arm (12), the two groups of second clamping rods (14) are mounted on the front end and the rear end of the right connecting arm (12), the two groups of connecting rods (13) are respectively engaged with the two groups of second clamping rods (14), and the clamping device and the buckling device are both mounted on the two groups of connecting arms (12).
4. A machine valve with anti-misopening function as claimed in claim 3, characterized in that: The clamping device comprises eight groups of pads (15), four groups of second bolts (16) and four groups of clamping plates (17). The middle parts of the two groups of connecting arms (12) are connected with through grooves. The eight groups of pads (15) are respectively located on the inner side and the outer side of the through grooves of the two groups of connecting arms (12). The four groups of clamping plates (17) are respectively installed on the four groups of pads (15) on the inner side. The eight groups of pads (15) are connected with threaded holes. The four groups of second bolts (16) are respectively threadedly connected with the corresponding pads (15) of each two groups.
5. A machine valve with anti-misopening function as claimed in claim 4, characterized in that: The buckle-fitting device comprises two groups of buckle plates (21), which are rotatably mounted on the top ends of the two groups of connecting arms (12) respectively, and the two groups of buckle plates (21) are matched and clamped with the top ends of the valve shafts (2).
6. A machine valve with anti-misopening function as claimed in claim 5, characterized in that: It also includes two groups of rubber pads (20), which are respectively installed on the inner sides of the two groups of gusset plates (21).
7. A machine valve with anti-misopening function as claimed in claim 6, characterized in that: Rubber pads are arranged on the inner sides of the four groups of clamping plates (17).