CN209797216U - Car door and car door sealing device thereof - Google Patents

Abstract

The utility model discloses a sedan-chair door and sedan-chair door sealing device thereof. The car door sealing device comprises a shell, a push rod, a shift rod, a sealing plate and a reset assembly, wherein the shell is of a hollow structure, the hollow structure is provided with an opening, the sealing plate covers the opening and selectively extends out or retracts into the opening, the reset assembly is arranged between the sealing plate and the shell, the push rod is slidably arranged in the shell in a penetrating manner, the first end of the push rod is arranged in the shell in a penetrating manner, the second end of the push rod is arranged in the shell and abutted against the first end of the shift rod, the second end of the shift rod is abutted against the sealing plate, the shift rod is pivoted with the shell around a pivot, and the pivot is; the first end of the ejector rod is stressed to enable the ejector rod to slide, the second end of the ejector rod abuts against the first end of the shifting rod to rotate, and the second end of the shifting rod rotates to push the sealing plate to extend out of the opening; the reset assembly drives the sealing plate to retract into the opening. The event the utility model discloses a sedan-chair door and sedan-chair door sealing device thereof can guarantee the smooth and easy advantage of door body switch when having the leakproofness good.

Description

Car door and car door sealing device thereof

Technical Field

The utility model relates to an elevator equipment field especially relates to a sedan-chair door and sedan-chair door sealing device thereof.

Background

With the development of science and technology and the advancement of humanity, high-rise buildings are pulled out, so that elevators are needed to carry goods or people.

The car doors of elevators are usually automatic horizontal sliding doors. In order to ensure the smooth opening and closing of the elevator door, gaps must be reserved between the lower end surface of the door and the sill as well as between the upper end surface of the door and the lintel, so that the elevator car cannot be completely sealed. And because the running speed of the ultra-high speed elevator is very fast, the wind noise is very high, and the air pressure change in the elevator car can cause uncomfortable symptoms such as tinnitus, earplugs and the like.

In order to improve the comfort of people and reduce wind noise, the car needs to be made into a sealing structure. Referring to fig. 1, the conventional solution is to add an upper baffle 1 ' to the upper end of a door panel 3 ' and a lower baffle 2 ' to the lower end. The bent edge of the upper baffle plate 1 ' is buckled on a car lintel to form a labyrinth buckle, and the lower baffle plate 2 ' is inserted into a groove of the sill 4 '. Although the air flow can be prevented from directly entering and exiting the car, in order to enable the door panel 3 ' to be opened and closed smoothly, the baffles 1 ' and 2 ' and the lintel and the sill still need to keep certain gaps, so that a good sealing effect cannot be achieved.

Therefore, a car door sealing device and a car door with the same, which have good sealing performance and can ensure smooth opening and closing of an elevator door, are urgently needed to overcome the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guarantee smooth and easy sedan-chair door sealing device of elevator door switch when the leakproofness is good.

Another object of the present invention is to provide a car door with good sealing performance and smooth opening and closing.

In order to achieve the above object, the car door sealing device of the present invention comprises a housing, a push rod, a shift rod, a sealing plate and a reset assembly, wherein the housing has a hollow structure, the hollow structure is provided with an opening, the sealing plate covers the opening and selectively extends out of or retracts into the opening, the reset assembly is installed between the sealing plate and the housing, the push rod is slidably inserted into the housing, a first end of the push rod is inserted into the housing, a second end of the push rod is located in the housing and abuts against a first end of the shift rod, a second end of the shift rod abuts against the sealing plate, the shift rod is pivotally connected with the housing around a pivot, and the pivot is located between the first end and the second end of the shift rod; the first end of the ejector rod is stressed to enable the ejector rod to slide, the second end of the ejector rod abuts against the first end of the shifting rod to rotate, and the second end of the shifting rod rotates to push the sealing plate to extend out of the opening; the reset assembly drives the sealing plate to retract into the opening.

Preferably, the ejector rod is arranged horizontally, the ejector rod penetrates through the shell in a sliding manner along the horizontal direction, and the sealing plate extends out of or retracts into the opening along the vertical direction.

Preferably, the second end of the push rod is larger than the first end thereof, and the second end of the push rod forms a push head for pushing against the first end of the shift lever.

Preferably, the sliding device further comprises a limiting block, the limiting block is sleeved on the ejector rod, and the limiting block selectively abuts against the shell to stop the sliding of the ejector rod.

Preferably, the reset assembly includes a guide post connected between the housing and the sealing plate and an elastic member sleeved on the guide post, and the elastic member abuts between the sealing plate and the guide post.

Preferably, one end of the guide post, which is abutted against the elastic member, is provided with a boss for limiting the elastic member from falling off.

Preferably, one surface of the sealing plate facing the opening is further provided with a sealing rubber strip in an elastic structure.

Preferably, the adjusting device further comprises an adjusting rod, wherein the adjusting rod penetrates through the top rod and can adjustably extend out of the top rod.

Preferably, the adjusting rod is in threaded connection with the ejector rod, the adjusting rod is provided with an external thread, and the ejector rod is provided with an internal thread.

In order to achieve the above object, the utility model discloses a sedan-chair door includes that two are the door body of the motion of opening and shutting in the horizontal direction, and aforementioned sedan-chair door sealing device, sedan-chair door sealing device locates the top and the bottom of each door body respectively, and the closing plate that is located the sedan-chair door sealing device at top arranges up, and the closing plate that is located the sedan-chair door sealing device of bottom arranges down.

Compared with the prior art, the utility model discloses a sedan-chair door sealing device is with the help of the ejector pin, the driving lever, the cooperation between closing plate and the reset assembly, because the first end of ejector pin is worn out the shell, the second end of ejector pin be located the shell and with the first end butt of driving lever, the second end and the closing plate butt of driving lever, the driving lever is around a pivot and shell pin joint, so when the door body is closed, the ejector pin atress is pushed away, the second end of ejector pin pushes away the first end of driving lever, so that the driving lever is around the pivot rotation, thereby make the second end of driving lever push away the closing plate, thereby make the closing plate stretch out in uncovered, thereby sealed the gap between the door body and lintel and the door. When the door body is opened, the reset assembly drives the sealing plate to retract into the opening, and meanwhile, the sealing plate pushes the second end of the shifting rod to enable the shifting rod to rotate around the pivot, so that the first end of the shifting rod pushes the ejector rod to slide to penetrate out of the shell, and the sealing plate retracts when the door body is opened, and the door body is opened smoothly. And because the utility model discloses a sedan-chair door is equipped with this sedan-chair door sealing device, so the utility model discloses a sedan-chair door and sedan-chair door sealing device can guarantee the smooth and easy advantage of door body switch when having the leakproofness good. In addition, because the shell is worn out with the effort that utilizes the door body when the door body is closed to the first end of ejector pin comes as driving power source, so the top of ejector pin pushes away does not need other drive arrangement, so the utility model discloses a sedan-chair door and sedan-chair door sealing device structure still have simple structure ingenious, advantage with low costs.

Drawings

Figure 1 is a schematic diagram of the structure of a prior art car door of the background art.

Fig. 2 is a front perspective structural schematic view of the car door of the present invention when the two door bodies are closed.

Fig. 3 is a front perspective structural schematic view of the car door of the present invention when two door bodies are opened.

Figure 4 is a schematic view of the bottom gate seal of figure 3 with the seal plate retracted in the open position.

Figure 5 is a schematic view of the bottom door seal of figure 2 with the seal plate extending out of the opening.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 2 to 3, the car door 100 of the present invention is disposed between the door lintel 200 and the sill 300, the car door 100 includes two door bodies 10 that are opened and closed relative to the door lintel 200 in the horizontal direction and a car door sealing device 20, and the car door sealing device 20 is respectively disposed at the top and bottom of each door body 10. Specifically, the car door sealing device 20 located at the top of the door body 10 is just opposite to the door lintel 200, the car door sealing device 20 located at the bottom of the door body 10 is just opposite to the sill 300, and meanwhile, in the same horizontal direction of the two door bodies 10, the car door sealing device 20 is arranged in bilateral symmetry, when the two door bodies 10 are closed along the mutually approaching direction, the car door sealing device 20 located at the top of the door body 10 enables the top of the door body 10 to be sealed with the door lintel 200, and the car door sealing device 20 located at the bottom of the door body 10 enables the bottom of the door body 10 to be sealed with the sill 300, so that in the operation process after the car door 100 is closed, wind noise can be reduced, and meanwhile, uncomfortable symptoms such as tinnitus and earplugs of people are.

Referring to fig. 4 to 5, the car door sealing device 20 of the present invention includes a housing 1, a push rod 2, a shift lever 3, a sealing plate 4 and a reset assembly 5, wherein the housing 1 has a hollow structure 11, the hollow structure 11 has an opening 12, the sealing plate 4 covers the opening 12 and selectively extends out of or retracts into the opening 12, the reset assembly 5 is installed between the sealing plate 4 and the housing 1, the push rod 2 is slidably inserted into the housing 1, a first end 21 of the push rod 2 is inserted into the housing 1, a second end 22 of the push rod 2 is located in the housing 1 and abuts against a first end 31 of the shift lever 3, a second end 32 of the shift lever 3 abuts against the sealing plate 4, the shift lever 3 is pivotally connected to the housing 1 around a pivot 6, and the pivot 6 is located between the first end 31 and the second end 32 of the shift; the first end 21 of the ejector rod 2 is stressed to enable the ejector rod 2 to slide, the second end 22 of the ejector rod 2 abuts against the first end 31 of the shifting rod 3 to rotate, and the second end 32 of the shifting rod 3 rotates to push the sealing plate 4 to extend out of the opening 12; the reset assembly 5 forces the seal plate 4 to retract into the open position. Preferably, a sealing rubber strip (not shown) with an elastic structure is further disposed on one surface of the sealing plate 4 facing the opening 12, so that the process of sealing the door lintel 200 and the sealing sill 300 by the sealing plate 4 is buffered, damage of the sealing plate 4 is reduced, and meanwhile, vibration inside the car door sealing device 20 is reduced, so as to prolong the service life of the car door sealing device 20. Specifically, the sealing plate 4 of the door seal 20 located at the top is disposed upward, and the sealing plate 4 of the door seal 20 located at the bottom is disposed downward. The two car door sealing devices 20 positioned at the top are arranged in a left-right symmetrical mode; the two car door sealing devices 20 at the bottom are arranged in a left-right symmetrical mode. More specifically, the lift pins 2 of the car door sealing device 20 arranged in bilateral symmetry are opposite to each other, so that when the two door bodies 10 are closed, the two lift pins 2 are mutually butted to apply force to push the two door bodies to move horizontally and depart from each other.

Referring to fig. 5, when the door 10 is closed, the rods 2 of the car door sealing device 20 are forced to push against each other, so that the sealing plate 4 at the top of the door 10 faces upward to seal the door lintel 200, and the sealing plate 4 at the bottom of the door 10 faces downward to seal the sill 300. When the two door bodies 10 are opened, the reset assembly 5 drives the sealing plate 4 to retract into the opening 12, the second end 32 of the reset linkage shift lever 3 of the sealing plate 4 rotates around the pivot 6, so that the first end 31 of the linkage shift lever 3 rotates, the first end 31 of the shift lever 3 is linked with the ejector rod 2 to slide along the horizontal direction, and the first end 21 of the ejector rod 2 penetrates out of the shell 1 again, so that the two ejector rods 2 are stressed again when the door body 10 is closed next time.

Referring to fig. 2 to 5, the housing 1 includes a housing 13 and an L-shaped bracket 14 disposed in the hollow structure 11 and connected to the housing 13. With the help of L shape support 14, be favorable to the horizontal installation of ejector pin 2 and the vertical installation of closing plate 4, so make the utility model discloses a sedan-chair door sealing device 20 simple structure, compactness, reasonable. Referring to fig. 4 to 5, the top bar 2 is horizontally disposed, and the top bar 2 is horizontally inserted into the housing 1 in a sliding manner, specifically, the top bar 2 is horizontally inserted between the housing 13 and the L-shaped bracket 14. The sealing plate 4 is extended or retracted in the opening 12 in a vertical direction, and specifically, the sealing plate 4 is connected to an L-shaped bracket 14 through a reset assembly 5. Because ejector pin 2 arranges along the horizontal direction, the event can directly utilize the two door bodies 10 to close the ascending effort in the horizontal direction of door to act on two ejector pins 2 as drive power to save drive arrangement, thereby make the utility model discloses a sedan-chair door sealing device 20 simple structure, with low costs. Since the sealing plate 4 is extended or retracted in the vertical direction, the door lintel 200 and the doorsill 300 can be directly sealed or unsealed in the vertical direction. Understandably, when the utility model discloses a when sedan-chair door sealing device 20 was applied to the closed occasion about the door body 10, the input of controlling the direction turned into the output of vertical direction, certainly, understandably, works as the utility model discloses a when sedan-chair door sealing device 20 was applied to the similar door body 10 closed occasion about in other fields, only need with the utility model discloses a rotatory ninety degrees installations of sedan-chair door sealing device 20 can realize turning into the output of horizontal direction with the input of vertical direction, so the utility model discloses a sedan-chair door sealing device 20's application does not use this as the limit.

Referring to fig. 4 to 5, the second end 22 of the push rod 2 is larger than the first end 21 thereof, and the second end 22 of the push rod 2 forms a push head for pushing against the first end 31 of the shift lever 3, so that the shift lever 3 can always contact with the push head in the process of being pushed by the push head to rotate, and the shift lever 3 is prevented from stopping rotating and causing the sealing plate 4 to stop working. The distance that the first end 21 of the ejector rod 2 extends out of the shell 1 is positively correlated with the distance that the sealing plate 4 extends out of the shell 1. That is, the more the first end 21 of the push rod 2 is exposed out of the housing 1, the larger the pushing distance of the push rod 2 to the shift lever 3 is when the door body 10 is closed, the larger the rotation angle of the shift lever 3 is, so that the larger the displacement of the second end 32 of the shift lever 3 in the vertical direction is, the longer the distance for pushing the sealing plate 4 is, and the larger the distance for the sealing plate 4 to extend out of the housing 1 is. The distance that the first end 21 of the top bar 2 protrudes from the outer case 1 can be determined according to the sealing clearance required between the door body 10 and the lintel 200 and the doorsill 300, respectively.

Referring to fig. 4 to 5, the car door sealing device 20 of the present invention further includes an adjusting rod 8, wherein the adjusting rod 8 is inserted into the top rod 2 and adjustably extends out of the top rod 2. Specifically, the adjusting rod 8 penetrates the top rod 2 from the first end of the top rod 2 along the axial direction of the top rod 2 and is adjustably extended from the first end 21 of the top rod 2, so that the top rod 2 can be lengthened by means of the adjusting rod 8 when the adjusting rod 8 is extended from the top rod 2, and more importantly, the range of the lengthening can be adjusted, but not limited thereto. The adjusting rod 8 is connected with the top rod 2 by screw thread, the adjusting rod 8 has external screw thread, the top rod 2 has internal screw thread, so the adjusting rod 8 can be screwed into the top rod 2 by screw thread and fixed, of course, according to the actual situation, after the adjusting rod 8 can be adjusted by sliding relative to the top rod 2, the adjusting rod 8 is provided with a clamping protrusion, the top rod 2 is provided with a plurality of clamping grooves, and the locking is realized by screwing the clamping protrusion into the clamping groove, so the invention is not limited thereto.

Referring to fig. 4 to 5, the car door sealing device 100 of the present invention further includes a stopper 7, the stopper 7 is sleeved on the rod 2, and the stopper 7 selectively collides with the housing 1 to stop the sliding of the rod 2. Specifically, the limiting block 7 selectively collides with the L-shaped bracket 14, and when the limiting block 7 slides along with the push rod 2 to a position where the limiting block collides with the L-shaped bracket 14, the push rod 2 cannot slide, so that the sliding stroke of the push rod 2 is limited. Specifically, the distance that the first end 21 of the ejector rod 2 extends out of the housing 1 determines the distance that the sealing plate 4 extends out of the opening 12, and the setting position of the limiting block 7, that is, the distance between the second end 22 of the ejector rod 2 and the limiting block 7 determines the maximum displacement that the ejector rod 2 can reset in the resetting process, so that the resetting distance of the ejector rod 2 can be adjusted by adjusting the setting position of the limiting block 7, but not limited to this.

Referring to fig. 4 and 5, the reset assembly 5 includes a guide post 51 connected between the housing 1 and the sealing plate 4, and an elastic member 52 sleeved on the guide post 51. Specifically, the sealing plate 4 is connected to the L-shaped bracket 14 via the guide post 51, and the elastic member 52 abuts between the sealing plate 4 and the guide post 51. When the door 10 is closed, the sealing plate 4 protrudes from the opening 12 to compress the elastic member 52 so that the elastic member 52 has a tendency to drive the sealing plate 4 to retract into the opening 12. When the door 10 is opened, the elastic potential energy of the elastic member 52 is released to retract the sealing plate 4 into the opening 12. Preferably, a boss 53 for restricting the elastic member 52 from coming off is provided at one end of the guide post 51 abutting against the elastic member 52. For example, in the present embodiment, the boss 53 is a nut, and the nut is screwed with the guide post 51; of course, in other embodiments, the boss 53 may be integrated with the guiding column 51, that is, the end of the guiding column 51 extends along the radial direction to form the boss 53, so the disclosure is not limited thereto. Specifically, in the present embodiment, the elastic element is a coil spring, but not limited thereto.

Compared with the prior art, the utility model discloses a sedan-chair door sealing device 20 is with the help of ejector pin 2, driving lever 3, the cooperation between closing plate 4 and the reset assembly 5, because the first end 21 of ejector pin 2 wears out shell 1, the second end 22 of ejector pin 2 be located shell 1 and with the first end 31 butt of driving lever 3, the second end 32 and the closing plate 4 butt of driving lever 3, driving lever 3 is around a pivot 6 and the pin joint of shell 1, so when the door body 10 is closed, the 2 atress of ejector pin is pushed away, the second end of ejector pin 2 pushes away the first end 31 of driving lever 3, so that driving lever 3 is rotatory around pivot 6, thereby make the second end 32 top of driving lever 3 push away closing plate 4, thereby make closing plate 4 stretch out in uncovered 12, thereby sealed the gap between door body 10 and lintel 200 and the door body 10 and sill 300. When the door 10 is opened, the elastic member 5 drives the sealing plate 4 to retract into the opening 12, and at the same time, the sealing plate 4 pushes the second end 32 of the shift lever 3 to rotate the shift lever 3 around the pivot 6, so that the first end 31 of the shift lever 3 pushes the push rod 2 to slide to penetrate out of the housing 1, and at the moment the door 10 is opened, the sealing plate 4 retracts, thereby opening the door 10 smoothly. Because the utility model discloses a sedan-chair door 100 is equipped with this sedan-chair door sealing device 20, so the utility model discloses a sedan-chair door 100 and sedan-chair door sealing device 20 can guarantee the smooth and easy advantage of the door body 10 switch when having the leakproofness good. In addition, because the first end 21 of ejector pin 2 is worn out shell 1 and is come as driving force source with the effort that utilizes a body 10 when a body 10 is closed, the top of event ejector pin 2 pushes away does not need other drive arrangement, so the utility model discloses a sedan-chair door and sedan-chair door sealing device structure still have simple structure ingenious, advantage with low costs.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (10)

1. The utility model provides a sedan-chair door sealing device which characterized in that: the reset device comprises a shell, a push rod, a shifting rod, a sealing plate and a reset assembly, wherein the shell is provided with a hollow structure, the hollow structure is provided with an opening, the sealing plate covers the opening and selectively extends out or retracts into the opening, the reset assembly is arranged between the sealing plate and the shell, the push rod is slidably arranged in the shell in a penetrating manner, the first end of the push rod is arranged in the shell in a penetrating manner, the second end of the push rod is positioned in the shell and is abutted against the first end of the shifting rod, the second end of the shifting rod is abutted against the sealing plate, the shifting rod is pivoted with the shell around a pivot, and the pivot is positioned between the first end and the second end of the shifting rod; the first end of the ejector rod is stressed to enable the ejector rod to slide, the second end of the ejector rod abuts against the first end of the shifting rod to rotate, and the second end of the shifting rod rotates to push the sealing plate to extend out of the opening; the reset assembly drives the sealing plate to retract into the opening.

2. The car door seal according to claim 1, wherein said push rod is horizontally disposed, said push rod is horizontally slidably inserted through said housing, and said sealing plate is vertically extended or retracted in said opening.

3. The door seal of claim 1, wherein the second end of the plunger is larger than the first end of the plunger, and wherein the second end of the plunger forms a push head for pushing against the first end of the plunger.

4. The car door sealing device according to claim 1, further comprising a stopper, wherein the stopper is sleeved on the lift rod, and the stopper selectively abuts against the housing to stop the sliding of the lift rod.

5. The car door sealing device according to claim 1, wherein the restoring member comprises a guide post connected between the housing and the sealing plate and an elastic member sleeved on the guide post, the elastic member abutting between the sealing plate and the guide post.

6. The car door seal device according to claim 5, wherein a boss for restricting the elastic member from falling off is provided at an end of the guide post abutting against the elastic member.

7. The car door seal device according to claim 1, wherein a sealing strip of an elastic structure is further provided on a surface of the sealing plate facing the opening.

8. The car door seal according to claim 1, further comprising an adjustment rod inserted through and adjustably extending from said carrier rod.

9. The car door seal according to claim 8, wherein said adjustment rod is threadedly coupled to said carrier rod, said adjustment rod having external threads and said carrier rod having internal threads.

10. A car door comprising two door bodies which are opened and closed in a horizontal direction, characterized by further comprising the car door sealing device according to any one of claims 1 to 9, wherein the car door sealing device is respectively provided at the top and bottom of each door body, the sealing plate of the car door sealing device at the top is arranged upward, and the sealing plate of the car door sealing device at the bottom is arranged downward.