CN214119103U - Explosion-proof structure of valve electric actuator - Google Patents
Explosion-proof structure of valve electric actuator Download PDFInfo
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- CN214119103U CN214119103U CN202120069009.3U CN202120069009U CN214119103U CN 214119103 U CN214119103 U CN 214119103U CN 202120069009 U CN202120069009 U CN 202120069009U CN 214119103 U CN214119103 U CN 214119103U
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Abstract
The utility model discloses a valve electric actuator's explosion-proof construction, including executor main part, explosion-proof chamber, execution chamber and cushion collar, the central position department of executor main part one side is provided with the explosion-proof chamber, and the inside central position department in explosion-proof chamber is provided with the execution chamber, the inside in explosion-proof chamber is evenly provided with the guard plate through the cushion collar, and one side of guard plate all with the outer wall connection in execution chamber, the outside in explosion-proof chamber is provided with the explosion-proof layer, and the inside even packing in explosion-proof chamber has fire-retardant ball, be provided with the access cover in the executor main part of explosion-proof chamber one side. The utility model discloses an install executor main part, execution chamber, explosion-proof layer and metal sheet, the metal sheet all is half-circular arc type structure, can absorb the impact force that the explosion produced, and the outside of executor main part is evenly overlapped and is equipped with explosion-proof hoop simultaneously, does benefit to and avoids the whole burst of executor main part to split, produces the piece when avoiding the explosion and injures personnel or damages other equipment.
Description
Technical Field
The utility model relates to an explosion-proof construction technical field specifically is an explosion-proof construction of valve electric actuator.
Background
The valve electric actuator refers to a machine which takes electric energy as a main energy source and is used for driving a valve, and is divided into a multi-rotation type, a partial rotation type, a straight-through type and an angle general type;
1. most of the existing valve actuators have insufficient functionality, do not have an explosion-proof function and have lower safety in operation;
2. the explosion-proof structure of part of the valve actuators is simple in structure and does not have a structure for protecting an internal execution cavity;
3. most of the explosion-proof structures of the valve actuators do not have the function of flame retardance, and internal electrical components are easy to spread when sparks are generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve electric actuator's explosion-proof construction to what provide among the above-mentioned background art does not possess explosion-proof construction, is unfavorable for protecting the execution chamber and is unfavorable for fire-retardant problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an explosion-proof structure of valve electric actuator, includes executor main part, explosion-proof chamber, execution chamber and cushion collar, the central position department of executor main part one side is provided with the explosion-proof chamber, and the central position department of explosion-proof intracavity portion is provided with the execution chamber, the inside in explosion-proof chamber is evenly provided with the guard plate through the cushion collar, and one side of guard plate all with the outer wall connection in execution chamber, the outside in explosion-proof chamber is provided with the explosion-proof layer, and the inside in explosion-proof chamber evenly fills there is fire-retardant ball, be provided with the access cover in the executor main part of explosion-proof chamber one side.
Preferably, the outer side of the actuator main body is uniformly sleeved with an explosion-proof hoop, two ends of the explosion-proof hoop are respectively fixed with a fixing ring, an external support rib penetrates through the fixing rings, and the external support strength of the actuator main body is improved while explosion prevention is achieved.
Preferably, metal plates are uniformly distributed in the explosion-proof layer, and the metal plates are of semi-arc structures and can absorb impact force generated by explosion.
Preferably, the inside central point department of fire-retardant ball all is provided with fire-retardant chamber, and fire-retardant intracavity homogeneous filling has the fire prevention putty, the material of fire prevention putty is polycarbonate, evenly distributed has the reservation groove in the fire-retardant ball in the fire-retardant chamber outside, and all fills in the reservation groove has the rock wool, can effectually prevent stretching of intensity of a fire when meetting open fire.
Preferably, the inside of cushion collar all is provided with the contact piece through stiff spring, and the one end of contact piece all is connected with the guard plate, avoids directly causing the impact to the execution chamber, and then protects the spare part of executing the intracavity.
Preferably, the both sides of contact piece one end all are provided with the stopper, the inside both sides of cushion collar all are provided with stopper assorted spacing groove, play spacing and the effect of direction.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this valve electric actuator's explosion-proof construction is through installing the executor main part, carry out the chamber, explosion-proof layer and metal sheet, the metal sheet all is half-circular arc type structure, the impact force that can the absorption explosion production, the even cover in the outside of executor main part is equipped with explosion-proof hoop simultaneously, do benefit to and avoid the whole burst of executor main part to split, produce the piece when avoiding the explosion and injure personnel or damage other equipment, prevent that the accident from enlarging and causing bigger loss, reduce the harmfulness of explosion, explosion-proof hoop's both ends all are provided with solid fixed ring, gu all pass the outside brace rod between the fixed ring, do benefit to the external strength who improves the executor main part.
(2) This valve electric actuator's explosion-proof construction is through installing the cushion collar, rigid spring, contact piece and guard plate, the guard plate all with the outer wall connection in execution chamber, make when this executor main part receives the exogenic action, the impact force is at first used in the lateral wall in explosion-proof chamber, make contact piece compression rigid spring in the cushion collar, resilience force through rigid spring weakens the impact force, avoid directly causing the impact to the execution chamber, and then protect the spare part in the execution chamber, avoid internals to receive external force to influence and produce the spark, the security is improved.
(3) This explosion-proof structure of valve electric actuator has fire-retardant ball through the inside evenly distributed in explosion-proof chamber, and the inside central position department of fire-retardant ball is provided with fire-retardant chamber, and fire-retardant intracavity evenly filled has fire prevention putty, and the material of fire prevention putty is polycarbonate, can effectually prevent stretching of intensity of a fire when meetting open fire, has the preformed groove in the outside evenly distributed in fire-retardant chamber, and the preformed groove is interior all to be filled with the rock wool for this executor main part possesses better thermal-insulated effect.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic front view of the cross-sectional structure of the present invention;
fig. 3 is a schematic view of the partial cross-sectional structure of the present invention;
fig. 4 is a schematic view of the cross-section structure of the flame-retardant ball of the present invention.
In the figure: 1. an actuator body; 2. an explosion-proof hoop; 3. a fixing ring; 4. an access cover; 5. an explosion-proof cavity; 6. an outer support rib; 7. an explosion-proof layer; 8. an execution cavity; 9. a metal plate; 10. a flame-retardant ball; 11. a buffer sleeve; 12. a rigid spring; 13. a contact block; 14. a protection plate; 15. a flame retardant cavity; 16. fireproof blocking; 17. reserving a groove; 18. rockwool.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: an explosion-proof structure of an electric actuator of a valve comprises an actuator main body 1, an explosion-proof cavity 5, an execution cavity 8 and a buffer sleeve 11, wherein the explosion-proof cavity 5 is arranged at the central position of one side of the actuator main body 1, the execution cavity 8 is arranged at the central position inside the explosion-proof cavity 5, a protection plate 14 is uniformly arranged inside the explosion-proof cavity 5 through the buffer sleeve 11, one side of the protection plate 14 is connected with the outer wall of the execution cavity 8, a contact block 13 is arranged inside the buffer sleeve 11 through a rigid spring 12, and one end of the contact block 13 is connected with the protection plate 14;
when the actuator body 1 is acted by external force, impact force firstly acts on the side wall of the explosion-proof cavity 5 to promote the contact block 13 to compress the rigid spring 12 in the buffer sleeve 11, the impact force is weakened through the resilience force of the rigid spring 12, the direct impact on the execution cavity 8 is avoided, further parts in the execution cavity 8 are protected, the spark caused by the influence of the external force on internal parts is avoided, and the safety is improved;
limiting blocks are arranged on two sides of one end of the contact block 13, and limiting grooves matched with the limiting blocks are arranged on two sides of the interior of the buffer sleeve 11 to play a role in guiding and limiting;
an explosion-proof layer 7 is arranged on the outer side of the explosion-proof cavity 5, metal plates 9 are uniformly distributed in the explosion-proof layer 7, and the metal plates 9 are in semi-arc structures and can absorb impact force generated by explosion;
the flame-retardant ball 10 is uniformly filled in the explosion-proof cavity 5, the flame-retardant cavity 15 is arranged at the central position in the flame-retardant ball 10, the flame-retardant blocking material 16 is uniformly filled in the flame-retardant cavity 15, the material of the flame-retardant blocking material 16 is polycarbonate, reserved grooves 17 are uniformly distributed in the flame-retardant ball 10 outside the flame-retardant cavity 15, and rock wool 18 is filled in the reserved grooves 17;
the fireproof blocking material 16 is made of polycarbonate, so that the spread of fire can be effectively prevented when the fire meets open fire, and the larger loss caused by the expansion of accidents is prevented, and the rock wool 18 enables the actuator main body 1 to have a better heat insulation effect;
an access cover 4 is arranged on the actuator main body 1 on one side of the explosion-proof cavity 5, the explosion-proof hoops 2 are uniformly sleeved on the outer side of the actuator main body 1, fixing rings 3 are fixed at two ends of each explosion-proof hoop 2, and external support ribs 6 penetrate between the fixing rings 3;
do benefit to and avoid the whole burst of executor main part 1, produce the piece when avoiding exploding and injure personnel or damage other equipment, outside brace rod 6 does benefit to the external strength who improves executor main part 1.
The working principle is as follows: when the anti-explosion actuator is used, the protection plates 14 are connected with the outer wall of the execution cavity 8, so that when the actuator main body 1 is acted by an external force, an impact force firstly acts on the side wall of the anti-explosion cavity 5 to promote the contact block 13 to compress the rigid spring 12 in the buffer sleeve 11, the impact force is weakened through the resilience force of the rigid spring 12, the impact on the execution cavity 8 is avoided directly, parts in the execution cavity 8 are further protected, the spark generated by the internal parts affected by the external force is avoided, the safety is improved, the flame-retardant balls 10 are uniformly distributed in the anti-explosion cavity 5, the flame-retardant cavity 15 is arranged at the central position in the flame-retardant balls 10, the flame-retardant cavity 15 is uniformly filled with the fireproof blocking materials 16, the fireproof blocking materials 16 are made of polycarbonate, the spread of fire can be effectively prevented when open fire occurs, the reserved grooves 17 are uniformly distributed outside the flame-retardant cavity 15, and rock wool 18 is filled in the reserved grooves 17, make this executor main part 1 possess better thermal-insulated effect, in addition, the outside in explosion-proof chamber 5 is provided with explosion-proof layer 7, evenly be provided with metal sheet 9 in explosion-proof layer 7, metal, all be half circular arc type structure, the impact force that can the absorption explosion produced, the even cover in outside of executor main part 1 is equipped with explosion-proof hoop 2 simultaneously, do benefit to and avoid 1 whole burst of executor main part, produce the piece and injure personnel or damage other equipment when avoiding exploding, prevent that the accident from expanding and causing bigger loss, reduce the harmfulness of explosion, explosion-proof hoop 2's both ends all are provided with solid fixed ring 3, gu all pass outside brace 6 between the fixed ring 3, do benefit to the external strength who improves executor main part 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a valve electric actuator's explosion-proof structure, includes executor main part (1), explosion-proof chamber (5), carries out chamber (8) and cushion cover (11), its characterized in that: the center position department of executor main part (1) one side is provided with explosion-proof chamber (5), and the inside center position department in explosion-proof chamber (5) is provided with carries out chamber (8), the inside in explosion-proof chamber (5) evenly is provided with guard plate (14) through cushion collar (11), and one side of guard plate (14) all with the outer wall connection who carries out chamber (8), the outside in explosion-proof chamber (5) is provided with explosion-proof layer (7), and the inside even packing in explosion-proof chamber (5) has fire-retardant ball (10), be provided with on the executor main part (1) of explosion-proof chamber (5) one side and overhaul lid (4).
2. The explosion-proof structure of an electric actuator of a valve according to claim 1, wherein: the outer side of the actuator main body (1) is uniformly sleeved with an explosion-proof hoop (2), two ends of the explosion-proof hoop (2) are respectively fixed with a fixing ring (3), and an external support rib (6) is arranged between the fixing rings (3) in a penetrating mode.
3. The explosion-proof structure of an electric actuator of a valve according to claim 1, wherein: and metal plates (9) are uniformly distributed in the explosion-proof layer (7), and the metal plates (9) are of semicircular arc structures.
4. The explosion-proof structure of an electric actuator of a valve according to claim 1, wherein: the fire-retardant ball is characterized in that a fire-retardant cavity (15) is arranged at the central position inside the fire-retardant ball (10), fire-retardant blocking materials (16) are uniformly filled in the fire-retardant cavity (15), the fire-retardant blocking materials (16) are made of polycarbonate, reserved grooves (17) are uniformly distributed in the fire-retardant ball (10) outside the fire-retardant cavity (15), and rock wool (18) are filled in the reserved grooves (17).
5. The explosion-proof structure of an electric actuator of a valve according to claim 1, wherein: the inside of cushion collar (11) all is provided with contact piece (13) through stiff spring (12), and the one end of contact piece (13) all is connected with guard plate (14).
6. The explosion-proof structure of an electric actuator of a valve according to claim 5, wherein: the both sides of contact piece (13) one end all are provided with the stopper, the inside both sides of cushion collar (11) all are provided with stopper assorted spacing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120069009.3U CN214119103U (en) | 2021-01-12 | 2021-01-12 | Explosion-proof structure of valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120069009.3U CN214119103U (en) | 2021-01-12 | 2021-01-12 | Explosion-proof structure of valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214119103U true CN214119103U (en) | 2021-09-03 |
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ID=77494789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120069009.3U Active CN214119103U (en) | 2021-01-12 | 2021-01-12 | Explosion-proof structure of valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214119103U (en) |
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2021
- 2021-01-12 CN CN202120069009.3U patent/CN214119103U/en active Active
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