Clamp type quick-opening blind plate

Abstract

The utility model discloses a hoop type quick-opening blind plate, which relates to the technical field of quick-opening blind plates and comprises a blind plate seat, a blind plate cover is hermetically mounted on the blind plate seat in a covering manner, hoops are movably mounted on the peripheries of the blind plate seat and the blind plate cover, gear sets are arranged at hinged ends of the two hoops, and the gear sets are meshed with the gear sets. A first driving mechanism is arranged on the side portion of the blind plate base, a supporting rod is rotatably installed on the side, away from the blind plate base, of the blind plate cover, and a first hydraulic rod is fixedly installed on the supporting rod. According to the design scheme, through the design that the two sets of hoops are connected through the gear set, the two sets of hoops are synchronously turned outwards to be opened through the first driving mechanism, the blind plate cover and the blind plate base are separated through the first hydraulic rod, and finally the blind plate cover is moved away from the opening of the blind plate base by rotating the supporting rod, so that automatic opening of the blind plate can be completed; therefore, the blind plate does not need to be manually opened and closed, harmful substances are prevented from affecting the body health of operators, and the blind plate is quickly closed easily and quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of quick-opening blind plates, in particular to a clamp-type quick-opening blind plate. Background Art

[0002] The quick-opening blind plate is a mechanical device used on the circular opening of pressure pipes or pressure vessels, and can be quickly opened or closed. It consists of a blind plate seat, a blind plate cover, a hook ring or a clamp, a sealing ring and other parts. When it is used in container equipment or pipeline conditions, a clamp-type quick-opening blind plate with good sealing effect and reasonable structure is usually selected.

[0003] The quick-opening blind plate in the prior art is usually opened and closed manually. However, in some environments where the medium in the pipeline is toxic or harmful, manually opening and closing the blind plate will cause the operator to stay in the environment for too long, which may easily affect the operator's health. In addition, when operating some blind plates with larger diameters, multiple people need to work together to operate the switch of the blind plate, which is extremely inconvenient. Utility Model Content

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a clamp-type quick-opening blind plate.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a clamp-type quick-opening blind plate, comprising a blind plate seat, a blind plate cover is sealed and installed on the blind plate seat, a clamp is movably installed on the periphery of the blind plate seat and the blind plate cover, the clamp adopts a two-petal structure, and the hinged ends of the two groups of clamps are provided with gear sets. A first driving mechanism is provided on the side of the blind plate seat, and the first drive is used to drive the clamp to open and close. A support rod is rotatably installed on the side of the blind plate cover away from the blind plate seat, and a first hydraulic rod is fixedly installed on the support rod, and the power output end of the first hydraulic rod is fixedly connected to the blind plate cover.

[0006] Furthermore, the first driving mechanism includes a fixed plate, a base is fixedly mounted on the fixed plate, two groups of the clamps are hingedly mounted on the base, a second hydraulic rod is hingedly mounted on the side of the base, and a power output end of the second hydraulic rod is hinged to the side wall of any group of the clamps.

[0007] Furthermore, the gear set includes a first gear and a second gear, the first gear and the second gear are respectively fixedly mounted on the rotating shafts of the two sets of clamps, and the first gear is meshed with the second gear.

[0008] Furthermore, positioning plates are fixedly installed on the movable ends of the two groups of clamps, the two groups of positioning plates overlap each other, positioning pins are inserted on the two groups of positioning plates, a third hydraulic rod is fixedly installed on the blind plate seat, and the power output end of the third hydraulic rod is fixedly connected to the positioning pin.

[0009] Furthermore, the support rod is rotatably mounted on the front side wall of the base, a toothed disc is fixedly mounted on the rotating shaft of the support rod, a rack is movably mounted on the fixed plate, and the rack and the toothed disc are meshed with each other.

[0010] Furthermore, the fixed plate is provided with a guide slot, the rack is slidably installed in the guide slot, grooves are opened between the guide slots, a fourth hydraulic rod is fixedly installed in the groove, and the power output end of the fourth hydraulic rod is fixedly connected to the rack.

[0011] The beneficial effect of the utility model is that the design of the utility model is designed that the two groups of clamps are connected to each other through a gear set. Under the action of the first driving mechanism, the two groups of clamps are synchronously flipped outward to open, releasing the blind plate cover, and then the blind plate cover is separated from the blind plate seat by the first hydraulic rod. Finally, the blind plate cover is moved away from the opening of the blind plate seat by rotating the support rod, so that the blind plate can be automatically opened, and there is no need to manually open and close the blind plate, which avoids harmful substances from affecting the health of the operator, and makes the operation of quick closing of the blind plate simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is a right side view of the utility model;

[0016] Figure 4 for Figure 3 Schematic diagram of the cross-section structure in the AA direction;

[0017] Figure 5 for Figure 3 Schematic diagram of the cross-sectional structure along the BB direction.

[0018] In the figure: 1. blind plate seat, 2. blind plate cover, 3. clamp, 4. support rod, 5. first hydraulic rod, 6. fixing plate, 7. base, 8. second hydraulic rod, 9. first gear, 10. second gear, 11. positioning plate, 12. positioning pin, 13. third hydraulic rod, 14. toothed disc, 15. rack, 16. guide groove, 17. groove, 18. fourth hydraulic rod. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0020] according to Figure 1-5 As shown, a clamp-type quick-opening blind plate comprises a blind plate seat 1, a blind plate cover 2 is sealingly installed on the blind plate seat 1, a clamp 3 is movably installed on the periphery of the blind plate seat 1 and the blind plate cover 2, the clamp 3 adopts a two-petal structure, and two groups of hinged ends of the clamp 3 are provided with a gear set, a first driving mechanism is provided on the side of the blind plate seat 1, and the first drive is used to drive the clamp 3 to open and close, a support rod 4 is rotatably installed on the side of the blind plate cover 2 away from the blind plate seat 1, a first hydraulic rod 5 is fixedly installed on the support rod 4, and a power output end of the first hydraulic rod 5 is fixedly connected to the blind plate cover 2.

[0021] In this embodiment, the first driving mechanism includes a fixed plate 6, on which a base 7 is fixedly mounted, and two groups of the clamps 3 are hingedly mounted on the base 7. A second hydraulic rod 8 is hingedly mounted on the side of the base 7, and a power output end of the second hydraulic rod 8 is hinged to the side wall of any group of the clamps 3. The opening and closing of the clamps 3 are controlled by extending or retracting the push rod of the second hydraulic rod 8.

[0022] In this embodiment, the gear set includes a first gear 9 and a second gear 10. The first gear 9 and the second gear 10 have the same specifications. The first gear 9 and the second gear 10 are respectively fixedly mounted on the rotating shafts of the two groups of the clamps 3. The first gear 9 is meshed with the second gear 10. When one group of the clamps 3 rotates, the other group of the clamps 3 rotates synchronously with the cooperation of the first gear 9 and the second gear 10.

[0023] In this embodiment, the movable ends of the two groups of clamps 3 are fixedly installed with positioning plates 11, the two groups of positioning plates 11 overlap each other, and positioning pins 12 are inserted on the two groups of positioning plates 11. The side walls of the positioning pins 12 are conical structures, and a third hydraulic rod 13 is fixedly installed on the blind plate seat 1 through a bracket. The power output end of the third hydraulic rod 13 is fixedly connected to the positioning pin 12 through a connecting plate. The third hydraulic rod 13 drives the positioning pin 12 to be inserted into the positioning plate 11, and the clamp 3 is positioned through the positioning pin 12.

[0024] In this embodiment, the support rod 4 is rotatably mounted on the front side wall of the base 7, a toothed disc 14 is fixedly mounted on the rotating shaft of the support rod 4, a rack 15 is movably mounted on the fixed plate 6, the rack 15 and the toothed disc 14 are meshed with each other, and after the blind plate cover 2 is opened, the toothed disc 14 is driven to rotate by the rack 15, and under the action of the toothed disc 14, the support rod 4 rotates on the base 7, thereby removing the blind plate cover 2 from the opening of the blind plate seat 1.

[0025] In this embodiment, a guide groove 16 is provided on the fixed plate 6, and the rack 15 is slidably installed in the guide groove 16. A groove 17 is opened between the guide grooves 16, and a fourth hydraulic rod 18 is fixedly installed in the groove 17. The power output end of the fourth hydraulic rod 18 is fixedly connected to the rack 15. Under the action of the fourth hydraulic rod 18, the rack 15 slides in the guide groove 16.

[0026] When the utility model is in use, the third hydraulic rod 13 is first started, and the positioning pin 12 is driven to disengage from the positioning plate 11 through the third hydraulic rod 13, and then the second hydraulic rod 8 is started. Under the action of the second hydraulic rod 8, the clamp 3 connected to the second hydraulic rod 8 is flipped outward and opened. At the same time, under the action of the first gear 9 and the second gear 10, the clamp 3 on the other side is synchronously flipped and opened, thereby releasing the blind plate cover 2, and then the first hydraulic rod 5 is started. Under the action of the first hydraulic rod 5, the blind plate cover 2 is separated from the blind plate seat 1, and then the rack 15 is driven to slide in the guide slide groove 16 through the fourth hydraulic rod 18. Under the cooperation of the rack 15 and the toothed disc 14, the support rod 4 rotates on the base 7, so that the blind plate cover 2 is moved away from the opening of the blind plate seat 1 to complete the automatic opening of the blind plate, and then there is no need to manually open and close the blind plate, thereby avoiding harmful substances from affecting the health of the operator, and making the operation of blind plate quick closing simple and fast.

[0027] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A clamp-type quick-opening blind plate, comprising a blind plate seat (1), characterized in that: A blind plate cover (2) is sealedly mounted on the blind plate seat (1); a clamp (3) is movably mounted on the periphery of the blind plate seat (1) and the blind plate cover (2); the clamp (3) adopts a two-petal structure; two sets of hinged ends of the clamp (3) are provided with a gear set; a first driving mechanism is arranged on the side of the blind plate seat (1); the first driving mechanism is used to drive the clamp (3) to open and close; a support rod (4) is rotatably mounted on the side of the blind plate cover (2) away from the blind plate seat (1); a first hydraulic rod (5) is fixedly mounted on the support rod (4); and a power output end of the first hydraulic rod (5) is fixedly connected to the blind plate cover (2).

2. A clamp-type quick-opening blind plate according to claim 1, characterized in that: The first driving mechanism comprises a fixing plate (6), a base (7) is fixedly mounted on the fixing plate (6), two groups of the clamps (3) are hingedly mounted on the base (7), a second hydraulic rod (8) is hingedly mounted on the side of the base (7), and a power output end of the second hydraulic rod (8) is hingedly mounted to the side wall of any group of the clamps (3).

3. A clamp-type quick-opening blind plate according to claim 2, characterized in that: The gear set comprises a first gear (9) and a second gear (10), wherein the first gear (9) and the second gear (10) are respectively fixedly mounted on the rotating shafts of the two sets of clamps (3), and the first gear (9) is meshed with the second gear (10).

4. A clamp-type quick-opening blind plate according to claim 3, characterized in that: Positioning plates (11) are fixedly mounted on the movable ends of the two groups of clamps (3), the two groups of positioning plates (11) overlap each other, positioning pins (12) are inserted on the two groups of positioning plates (11), a third hydraulic rod (13) is fixedly mounted on the blind plate seat (1), and a power output end of the third hydraulic rod (13) is fixedly connected to the positioning pin (12).

5. The clamp-type quick-opening blind plate according to claim 2, characterized in that: The support rod (4) is rotatably mounted on the front side wall of the base (7); a toothed disc (14) is fixedly mounted on the rotating shaft of the support rod (4); a rack (15) is movably mounted on the fixed plate (6); and the rack (15) and the toothed disc (14) are meshed with each other.

6. A clamp-type quick-opening blind plate according to claim 5, characterized in that: The fixed plate (6) is provided with a guide slot (16), the rack (15) is slidably mounted in the guide slot (16), a groove (17) is provided between the guide slots (16), a fourth hydraulic rod (18) is fixedly mounted in the groove (17), and a power output end of the fourth hydraulic rod (18) is fixedly connected to the rack (15).

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