Sliding plug door sealing mechanism convenient to replace

Abstract

The utility model relates to the technical field of sliding-plug door sealing, and discloses a sliding-plug door sealing mechanism convenient to replace, which comprises a sliding-plug door assembly and an open groove formed in the right side of the sliding-plug door assembly, a sealing rubber strip with one end extending to the outer side is slidably mounted in an inner cavity of the open groove, and a fixing block is fixedly mounted in the middle of the left side of the sealing rubber strip. Through mutual cooperation of a pressing block, a positioning groove, a sliding rod, a reset spring A, a pulling plate, a positioning rod, a sealing plate, a pull handle, a moving rod and a reset spring B, a worker can conveniently disassemble a sealing rubber strip by pressing the pressing block, operation is convenient, clamping and positioning of the pressing block can be achieved through the arrangement of the positioning rod, and the sealing rubber strip can be conveniently disassembled. And the situation that the installation stability of the sealing rubber strip is affected due to accidental touch and the like in the using process is avoided, and the using effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealing plug door, concretely is a plug door sealing mechanism convenient to replace. BACKGROUND

[0002] At present, the bus door, subway door or high-speed rail door usually uses plug door, and the plug door has good sealing performance and occupies less space, so that the overall vehicle model is elegant and generous. With the rapid development of high-speed trains and urban rail transit, the quality of plug doors is also continuously improved. Many plug doors are double-door structures, which have the advantages of rapid opening and large opening space, and are convenient for passengers to get on and off the vehicle.

[0003] The existing plug door sealing mechanism convenient to replace has the problems that, when in use, the plug door leaf needs to be frequently opened and closed, which causes the sealing rubber strip to be worn and damaged. The existing plug door sealing mechanism is relatively cumbersome when the sealing rubber strip is disassembled and replaced, which is not conducive to the rapid operation of the workers. In addition, the installation may shake due to accidental contact during use, which reduces the use effect of the device.

[0004] Therefore, the plug door sealing mechanism convenient to replace is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a plug door sealing mechanism convenient to replace to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plug door sealing mechanism convenient to replace, comprising a plug door assembly and a groove formed on the right side of the plug door assembly, wherein the inner cavity of the groove is slidably installed with a sealing rubber strip extending to the outside, and a fixed block is fixedly installed at the middle part of the left side of the sealing rubber strip. A pressing port is formed at the top of the inner cavity of the groove near the left side, a pressing assembly is installed in the inner cavity of the pressing port, and a clamping assembly is jointly installed at the left side of the inner cavity of the groove near the top and the bottom.

[0007] The clamping assembly comprises a flat plate A and a flat plate B fixedly installed at the left side of the inner cavity of the groove near the top and the bottom, respectively, threaded rods A and B are movably and respectively installed at the right side of the flat plate A and the flat plate B, respectively, a rotating rod is jointly fixedly installed at the opposite ends of the threaded rods A and B, threaded sleeves are respectively and threadedly installed at the outer sides of the threaded rods A and B, respectively, moving plates are respectively and fixedly installed at the middle parts of the right sides of the threaded sleeves, square insertion rods are respectively and fixedly installed at the right sides of the opposite sides of the moving plates, a square port is formed at the middle part of the fixed block, and the opposite ends of the square insertion rods are respectively inserted into the inner cavities of the square ports.

[0008] Preferably, the left side of the threaded sleeve is fixedly provided with a guide plate, and a guide rod is slidably and penetratively arranged on the guide plate, and the upper and lower ends of the guide rod are fixedly arranged on the flat plate A and the flat plate B respectively.

[0009] Preferably, the upper end of the threaded rod A is fixedly provided with a driven bevel gear, the rear side of the driven bevel gear is engaged with a driving bevel gear, a movable rod is fixedly and penetratively arranged on the middle part of the driving bevel gear, the front and rear ends of the movable rod are movably arranged on the inner wall of the slotted inner cavity, and the output end of the movable rod is fixedly sleeved with a movable gear, and the left side of the movable gear is engaged with a rack plate.

[0010] Preferably, the pressing assembly comprises a pressing block attached to the left side of the pressing port inner cavity and a pulling plate attached to the right side of the pressing block, and the top of the rack plate is fixedly arranged on the pressing block, a plurality of positioning rods are fixedly arranged on the left side of the pulling plate at equal intervals, a sealing plate is fixedly arranged on the right side of the pulling plate close to the bottom, a sealing groove is formed on the right side of the pressing port inner cavity close to the bottom, the right side of the sealing plate extends into the inner cavity of the sealing groove, and a pull handle is fixedly arranged on the top of the sealing plate close to the middle.

[0011] Preferably, the right side of the pulling plate is fixedly provided with a moving rod close to the front and rear sides, and the right side of the pressing port inner cavity is provided with a moving groove close to the top and the bottom, respectively, the right ends of the moving rods extend into the inner cavities of the adjacent moving grooves, respectively, the outer sides of the moving rods are sleeved with return springs B, respectively, and the two ends of the return springs B are fixedly arranged on the outer side of the pulling plate and the inner wall of the pressing port inner cavity, respectively.

[0012] Preferably, a plurality of positioning grooves are formed on the right side of the pressing block at equal intervals, and the output ends of the positioning rods are inserted into the inner cavities of the adjacent positioning grooves, respectively.

[0013] Preferably, a sliding rod is fixedly arranged on the bottom of the pressing block close to the left front side, and the lower end of the sliding rod slidably and penetratively extends to the outer side of the flat plate A, and the outer sides of the sliding rods are sleeved with return springs A, respectively, and the two ends of the return springs A are fixedly arranged on the pressing block and the flat plate A, respectively.

[0014] Compared with the prior art, the device has the following advantages:

[0015] 1. Through the mutual cooperation between the pressing block, the positioning groove, the sliding rod, the return spring A, the pulling plate, the positioning rod, the sealing plate, the pull handle, the moving rod and the return spring B, the staff can realize the disassembly of the sealing rubber strip by pressing the pressing block, the operation is convenient, and the clamping positioning of the pressing block can be realized through the arrangement of the positioning rod, so that the accidental touching in the use process is avoided, the stability during the installation of the sealing rubber strip is affected, the use effect of the device is improved, and the use effect of the device is improved.

[0016] 2、Through the mutual cooperation between the plate A, the plate B, the threaded rod A, the driven bevel gear, the driving bevel gear, the movable rod, the movable gear, the rack plate, the threaded rod B, the rotating rod, the threaded sleeve, the guide plate, the guide rod, the moving plate and the square inserting rod, the square inserting rods on the upper side and the lower side can be driven to move oppositely or oppositely, so that the sealing rubber strip can be clamped and disassembled, the sealing rubber strip can be quickly disassembled and replaced, and the use effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole perspective view of the utility model;

[0018] Figure 2 It is a local structure perspective view of the sealing rubber strip of the utility model;

[0019] Figure 3 It is a local section expansion perspective view of the fixed block of the utility model;

[0020] Figure 4 It is a local structure perspective view of the guide rod of the utility model;

[0021] Figure 5 It is a local structure perspective view of the positioning rod of the utility model;

[0022] Figure 6 It is a local section expansion perspective view of the sliding plug door assembly of the utility model;

[0023] Figure 7 It is a Figure 3 Enlarged view of A in the middle;

[0024] Figure 8 It is a Figure 5 Enlarged view of B in the middle;

[0025] Figure 9 It is a Figure 6 Enlarged view of C in the middle.

[0026] In the drawing: 1, sliding plug door assembly; 2, sealing rubber strip; 3, fixed block; 4, pressing assembly; 41, pressing block; 411, positioning groove; 412, sliding rod; 413, reset spring A; 42, pulling plate; 43, positioning rod; 44, sealing plate; 45, pull handle; 46, moving rod; 461, reset spring B; 5, clamping assembly; 51, plate A; 52, plate B; 53, threaded rod A; 531, driven bevel gear; 532, driving bevel gear; 533, movable rod; 534, movable gear; 535, rack plate; 54, threaded rod B; 55, rotating rod; 56, threaded sleeve; 561, guide plate; 562, guide rod; 57, moving plate; 58, square inserting rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment 1

[0029] Please refer to Figures 1-9 A kind of convenient replacement's seal mechanism of sliding plug door, including sliding plug door assembly 1 and being opened in the right side of sliding plug door assembly 1 slot, the inner cavity of slot is slidably installed with the sealing rubber strip 2 of one end extending to outside, and the middle part of left side of sealing rubber strip 2 is fixedly installed with fixed block 3, press opening is opened in the top of the inner cavity of slot near left side, and the inner cavity of press opening is installed with press assembly 4, the left side of the inner cavity of slot is jointly installed with clamping assembly 5 near top and bottom, and the setting of press assembly 4 is conducive to the unfolding of clamping work, and the setting of clamping assembly 5 is conducive to the disassembly of sealing rubber strip 2.

[0030] Press assembly 4 includes press block 41 that is attached to the left side of the inner cavity of press opening and pull plate 42 that is attached to the right side of press block 41, and the top of rack plate 535 is fixedly installed on press block 41, a plurality of positioning rods 43 are fixedly installed on the left side of pull plate 42 at equal intervals, sealing plate 44 is fixedly installed on the right side of pull plate 42 near the bottom, sealing groove is opened on the right side of the inner cavity of press opening near the bottom, and the right side of sealing plate 44 extends into the inner cavity of sealing groove, pull handle 45 is fixedly installed on the top of sealing plate 44 near the middle, and the disassembly of sealing rubber strip 2 can be realized by pressing press block 41 to move downward, the positioning of press block 41 is achieved by the setting of positioning rod 43, the stability of press block 41 is improved, and the occurrence of accidental touch and other conditions is avoided.

[0031] The right side of pull plate 42 is fixedly installed with moving rod 46 near the front and back two sides, respectively, and moving groove is opened on the right side of the inner cavity of press opening near the top and bottom, respectively, the right end of moving rod 46 extends into the inner cavity of adjacent moving groove, respectively, reset spring B461 is respectively sleeved on the outer side of moving rod 46, and the two ends of reset spring B461 are fixedly installed on the outer side of pull plate 42 and the inner wall of the inner cavity of press opening, respectively, to guide and restore when pull plate 42 moves.

[0032] A plurality of positioning grooves 411 are opened on the right side of press block 41 at equal intervals, and the output ends of positioning rod 43 are respectively inserted into the inner cavities of adjacent positioning grooves 411, to facilitate the unfolding of clamping work.

[0033] The bottom of the pressing block 41 is fixedly installed with a sliding rod 412 near the left front side, and the lower end of the sliding rod 412 extends to the outside of the flat plate A51, and the outside of the sliding rod 412 is respectively sleeved with a reset spring A413, and the two ends of the reset spring A413 are respectively fixedly installed on the pressing block 41 and the flat plate A51, which is beneficial to the guidance and recovery of the moving work of the pressing block 41.

[0034] In this embodiment: in use, the use effect of the sliding door assembly 1 can be better through the arrangement of the sealing rubber strip 2, and in addition, the sealing rubber strip 2 can be regularly disassembled and replaced, the sealing plate 44 is moved rightwards when the handle 45 is pulled rightwards, the pulling plate 42 is moved rightwards when the sealing plate 44 is moved rightwards, the reset spring B461 on the front and rear sides is pressed when the pulling plate 42 is moved rightwards, and a plurality of positioning rods 43 are also moved rightwards, so as to move away from the inner cavity of the adjacent positioning groove 411, at this time, the clamping and limiting of the pressing block 41 can be released, and then the pressing block 41 can be pressed downwards, and the reset spring A413 is pressed when the pressing block 41 is moved downwards.

[0035] Embodiment 2

[0036] This embodiment is an improvement on the basis of embodiment 1, and specifically, please refer to Figure 2 、 Figures 4-5 and Figures 7-9 The clamping assembly 5 comprises a flat plate A51 and a flat plate B52 fixedly installed on the left side of the slotted inner cavity near the top and the bottom, respectively, threaded rods A53 and threaded rods B54 are movably installed on the flat plate A51 and the flat plate B52 near the right side, respectively, and the opposite ends of the threaded rods A53 and the threaded rods B54 are fixedly installed with a rotating rod 55, threaded sleeves 56 are threadedly installed on the outer sides of the threaded rods A53 and the threaded rods B54, respectively, moving plates 57 are fixedly installed on the right sides of the middle parts of the threaded sleeves 56, respectively, square insertion rods 58 are fixedly installed on the opposite sides of the moving plates 57 near the right sides, respectively, square openings are formed in the middle parts of the fixed blocks 3, the opposite ends of the square insertion rods 58 are respectively inserted into the inner cavities of the square openings, which is convenient for disassembling and removing the sealing rubber strip 2.

[0037] The left sides of the threaded sleeves 56 are fixedly installed with guide plates 561, and guide rods 562 are movably installed on the guide plates 561, and the upper and lower ends of the guide rods 562 are fixedly installed on the flat plate A51 and the flat plate B52, respectively, which serves as a guide and limit for the movement of the threaded sleeves 56.

[0038] The upper end of the threaded rod A53 is fixedly installed with a driven bevel gear 531, and the rear side of the driven bevel gear 531 is engaged with a driving bevel gear 532, the middle part of the driving bevel gear 532 is fixedly installed with a movable rod 533, the front and rear ends of the movable rod 533 are movably installed on the inner wall of the slotted inner cavity, respectively, and the output end of the movable rod 533 is fixedly sleeved with a movable gear 534, the left side of the movable gear 534 is engaged with a rack plate 535, which is beneficial to the expansion of the rotating work of the threaded rod A53.

[0039] In this embodiment: when the pressing block 41 moves downward, the rack plate 535 will also move downward, and when the rack plate 535 moves downward, the movable gear 534 will rotate, and when the movable gear 534 rotates, the movable rod 533 will rotate, and when the movable rod 533 rotates, the driving bevel gear 532 will rotate, and when the driving bevel gear 532 rotates, the threaded rod A53 will rotate through the driven bevel gear 531, and when the threaded rod A53 rotates, the threaded rod B54 will rotate through the rotating rod 55, and when the threaded rod A53 and the threaded rod B54 rotate, the adjacent threaded sleeve 56 will move to the opposite side, at this time, the adjacent square insertion rod 58 will move in the opposite direction through the moving plate 57, and when the square insertion rod 58 moves in the opposite direction, it will move away from the inner cavity of the square port, at this time, the clamping of the sealing rubber strip 2 can be released, and moving to the right can disassemble it.

[0040] Working principle: in use, the sealing strip 2 can be set to make the use effect of the sliding door assembly 1 better, in addition, the sealing strip 2 can be regularly disassembled and replaced, pull the handle 45 to the right, the sealing plate 44 will be moved to the right when the handle 45 moves to the right, the sealing plate 44 will drive the pull plate 42 to move to the right, the pull plate 42 will extrude the front and rear reset springs B461, at the same time, a plurality of positioning rods 43 will be moved to the right, so as to move away from the inner cavity of the adjacent positioning groove 411, at this time, the clamping limiting of the pressing block 41 can be released, then the pressing block 41 can be pressed down, the pressing block 41 will extrude the reset spring A413 when moving down, the pressing block 41 will drive the rack plate 535 to move down when moving down, the rack plate 535 will drive the movable gear 534 to rotate when moving down, the movable gear 534 will drive the movable rod 533 to rotate when rotating, the movable rod 533 will drive the driving bevel gear 532 to rotate when rotating, the driving bevel gear 532 will drive the threaded rod A53 to rotate through the driven bevel gear 531, the threaded rod A53 will drive the threaded rod B54 to rotate through the rotating rod 55, the threaded rod A53 and the threaded rod B54 will drive the adjacent threaded sleeve 56 to move to the opposite side when rotating, at this time, the adjacent square insertion rod 58 will be moved in the opposite direction through the moving plate 57, and the square insertion rod 58 will move away from the inner cavity of the square port when moving in the opposite direction, at this time, the clamping of the sealing strip 2 can be released, and it can be disassembled by moving to the right, and vice versa.

[0041] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0042] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A replaceable plug door sealing mechanism, comprising a plug door assembly (1) and a slot formed on the right side of the plug door assembly (1), characterized in that: The slotted inner cavity is slidably provided with a sealing rubber strip (2) extending to the outside, and a fixed block (3) is fixedly installed at the middle of the left side of the sealing rubber strip (2). A pressing opening is formed at the top of the slotted inner cavity close to the left side, and a pressing assembly (4) is installed in the inner cavity of the pressing opening. A clamping assembly (5) is jointly installed at the left side of the slotted inner cavity close to the top and the bottom. The clamping assembly (5) comprises a flat plate A (51) and a flat plate B (52) fixedly installed at the left side of the slotted inner cavity close to the top and the bottom, respectively. Threaded rods A (53) and B (54) are movably and respectively installed at the right side of the flat plate A (51) and the flat plate B (52), and the opposite ends of the threaded rods A (53) and B (54) are jointly fixedly installed with a rotating rod (55). Threaded sleeves (56) are respectively and threadedly installed at the outer sides of the threaded rods A (53) and B (54), and moving plates (57) are respectively and fixedly installed at the middle of the right side of the threaded sleeves (56). Square insertion rods (58) are respectively and fixedly installed at the right side of the opposite side of the moving plates (57), and a square opening is formed at the middle of the fixed block (3). The opposite ends of the square insertion rods (58) are respectively inserted into the inner cavity of the square opening.

2. A replaceable seal mechanism for a sliding plug door as defined in claim 1, characterized in that: The left sides of the threaded sleeves (56) are respectively and fixedly installed with guide plates (561), and a guide rod (562) is jointly and slidably installed on the guide plates (561). The upper and lower ends of the guide rod (562) are respectively and fixedly installed on the flat plate A (51) and the flat plate B (52).

3. A replaceable seal mechanism for a sliding plug door as defined in claim 1, wherein: The upper end of the threaded rod A (53) is fixedly installed with a driven bevel gear (531), and a driving bevel gear (532) is engaged with the rear side of the driven bevel gear (531). An activity rod (533) is fixedly and penetratively installed at the middle of the driving bevel gear (532). The front and rear ends of the activity rod (533) are respectively and movably installed on the inner wall of the slotted inner cavity, and an activity gear (534) is fixedly sleeved with the output end of the activity rod (533). The left side of the activity gear (534) is engaged with a rack plate (535).

4. A replaceable seal mechanism for a sliding plug door as defined in claim 3, wherein: The pressing assembly (4) comprises a pressing block (41) attached to the left side of the inner cavity of the pressing opening and a pulling plate (42) attached to the right side of the pressing block (41). The top of the rack plate (535) is fixedly installed on the pressing block (41). A plurality of positioning rods (43) are fixedly installed at the left side of the pulling plate (42) at equal intervals. A sealing plate (44) is fixedly installed at the right side of the pulling plate (42) close to the bottom. A sealing groove is formed at the right side of the inner cavity of the pressing opening close to the bottom, and the right side of the sealing plate (44) extends into the inner cavity of the sealing groove. A pull handle (45) is fixedly installed at the top of the sealing plate (44) close to the middle.

5. A replaceable seal mechanism for a sliding plug door as defined in claim 4, wherein: The right side of the pulling plate (42) is fixedly provided with a moving rod (46) near the front and back sides, and the right side of the pressing cavity is provided with a moving slot near the top and the bottom, the right end of the moving rod (46) extends into the inner cavity of the adjacent moving slot, and the outer side of the moving rod (46) is sleeved with a reset spring B (461), and the two ends of the reset spring B (461) are fixedly installed on the outer side of the pulling plate (42) and the inner wall of the pressing cavity.

6. A replaceable seal mechanism for a sliding plug door as defined in claim 4, wherein: The right side of the pressing block (41) is provided with a plurality of positioning grooves (411) at equal intervals, and the output end of the positioning rod (43) is inserted into the inner cavity of the adjacent positioning groove (411).

7. A replaceable seal mechanism for a sliding plug door as defined in claim 4, wherein: The bottom of the pressing block (41) is fixedly provided with a sliding rod (412) near the left front side, and the lower end of the sliding rod (412) slidingly extends to the outer side of the flat plate A (51), and the outer side of the sliding rod (412) is sleeved with a reset spring A (413), and the two ends of the reset spring A (413) are fixedly installed on the pressing block (41) and the flat plate A (51).

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