CN211818748U - Pit bolt for fixing flexible upper folding door movable upright post - Google Patents
Pit bolt for fixing flexible upper folding door movable upright post Download PDFInfo
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- CN211818748U CN211818748U CN201922048610.XU CN201922048610U CN211818748U CN 211818748 U CN211818748 U CN 211818748U CN 201922048610 U CN201922048610 U CN 201922048610U CN 211818748 U CN211818748 U CN 211818748U
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- upright post
- pin
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Abstract
The utility model relates to a pit bolt of folding door movable stand on fixed flexibility, it includes pit box (1), pit box (1) top is provided with roof (2), be provided with trompil (3) on roof (2), trompil (3) position below is provided with bolt (4) that can the oscilaltion, the upper end of bolt (4) is the wedge. The utility model relates to a pit bolt of folding door movable stand on fixed flexibility, it can eliminate the influence that gate top structure warp back or stand received the temperature leads to stand and ground location to produce the deviation and bring, ensures movable stand also can the return when unfavorable operating mode, does not influence the use at gate.
Description
Technical Field
The utility model relates to a pit bolt of folding door movable stand on fixed flexibility belongs to automatic, electrically operated gate technical field.
Background
The flexible door is an upper-folding special door, has stable performance, and is mainly applied to large-area opening doors of large warehouses, large workshops, large logistics channels, coating workshops in shipbuilding industry and the like. The large-span door opening flexible door is too wide, and the span is great, and the whole thickness at gate will be thicker than ordinary flexible door, but the thickness of door increases the back, piles up the space and strengthens, appears the noise easily at the coiling in-process and blocks the phenomenon of machine of card, and it is inconvenient to dismantle and maintain to the span of door increases the back, and the space of piling up at the gate, weight also can strengthen, and the cost will corresponding increase.
The utility model discloses an application number is 201510594457.4's utility model discloses a flexible overhead door with movable stand, it includes the lintel, left branch dagger and right branch dagger, the upper end of left branch dagger and right branch dagger is connected through last lintel, the symmetry is equipped with two hosts on last lintel, still be equipped with hoisting accessory on last lintel, the lower terminal surface of last lintel between left branch dagger and right branch dagger is connected with movable stand, the lower terminal surface of last lintel is connected with left curtain cloth curtain piece and right curtain cloth curtain piece, left curtain cloth curtain piece is located between left branch dagger and the movable stand, right curtain cloth curtain piece is located between right branch dagger and the movable stand. When the gate is opened, the curtain sheet of the curtain cloth is driven by the host to be opened upwards, and after the gate is opened in place, the movable upright column hoisting device pulls the upright column upwards to achieve the opening effect of the door leaf; when the gate is closed, the movable upright post is firstly put down, and after the upright post is in place, the lower bolt is put down and is relatively fixed with the ground, and then the curtain sheet of the curtain cloth is put down, so that the gate is closed. Through setting up the activity stand, can cut apart into a large-span door opening a plurality of independent little door opening, shortened the span of single door, make the whole thickness of gate reduce, reduced occupation space. However, the above flexible door has the following disadvantages:
1. the movable upright post of the flexible door is relatively fixed with the ground through the bolt, the bolt hole matched with the bolt needs to be formed in the ground, and the movable upright post has longer integral length and is affected by external environments such as thermal expansion and cold contraction or deformation of a roof truss for fixing the upright post above a door opening in the actual use process, so that the movable upright post can not be deformed to a certain degree, the bolt and the bolt hole are not accurately aligned after the movable upright post is put down in place, the bolt is not easy to be inserted into the bolt hole in place, manual assistance is needed, and the operation is very inconvenient;
2. because of being restricted by factors such as the structural strength and the cost of the movable upright post, the plug pin is usually arranged in a fixed plug pin mode in the actual production, the plug pin is exposed out of the lower end of the movable upright post, and in order to enable the movable upright post with the fixed plug pin to be smoothly put down in place, a strip-shaped groove needs to be formed in the ground along the putting down direction of the movable upright post, on one hand, the strip-shaped groove can cause uneven ground, is neither beautiful nor safe, and can also affect the sealing performance after the gate is closed; on the other hand, the cover plate is required to cover in the daily use process, so that the vehicle, personnel, airplanes and the like can conveniently pass through.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pit bolt of folding door activity stand on fixed flexibility is provided to above-mentioned prior art, it can eliminate the influence that gate top structure warp back or stand received the temperature leads to the location deviation on stand and ground to bring, ensures that the activity stand also can the return when unfavorable operating mode, does not influence the use at gate.
The utility model provides a technical scheme that above-mentioned problem adopted does: the pit bolt comprises a pit box body, wherein a top plate is arranged at the top of the pit box body, an opening is formed in the top plate, a bolt capable of ascending and descending is arranged below the opening position, and the upper end of the bolt is wedge-shaped.
Preferably, the upper end of the bolt comprises two inclined planes which are symmetrically arranged left and right, the upper end of the bolt is hinged with a left cover plate and a right cover plate through a pin shaft, and the top plate is provided with a groove in the peripheral area of the opening; when the bolt extends out of the opening, the left cover plate and the right cover plate are respectively placed on the left inclined surface and the right inclined surface; when the bolt retracts into the opening, the left cover plate and the right cover plate are placed on the groove to completely cover the opening.
Preferably, the thickness of the cover plate is consistent with the depth of the groove, so that the cover plate is placed on the rear surface of the groove and is flush with the top plate.
Preferably, the inner sides of the left cover plate and the right cover plate are both provided with tooth forms, and the tooth forms of the inner sides of the left cover plate and the right cover plate are matched with each other.
Preferably, the cross section of the bolt is rectangular, and the shape of the opening is matched with the cross section of the bolt.
Preferably, a pin slot is arranged in the pit box body along the vertical direction, the pin slot is located below the open hole position, and the pin is arranged in the pin slot.
Preferably, a hydraulic cylinder, an air cylinder or an electric push rod is arranged in the bolt groove, and the bolt is lifted up and down through the hydraulic cylinder, the air cylinder or the electric push rod.
Preferably, the front side and the rear side of the bolt are provided with supporting convex strips along the vertical direction, the pin shaft is arranged between the front supporting convex strip and the rear supporting convex strip in a penetrating manner, and the left cover plate and the right cover plate are arranged between the front supporting convex strip and the rear supporting convex strip.
Preferably, the front side and the rear side of the bolt groove are provided with raised line guide grooves along the vertical direction, and the support raised lines are matched with the limit guide grooves.
Preferably, a hydraulic station cavity is formed in one side of the pin slot, a hydraulic station is arranged in the hydraulic station cavity, and the hydraulic station is connected with a hydraulic cylinder.
Compared with the prior art, the utility model has the advantages of:
1. the utility model can eliminate the influence caused by the deviation of the positioning between the upright post and the ground due to the deformation of the top structure of the gate and the influence of the temperature on the upright post, ensure that the movable upright post can return when in adverse working conditions, does not influence the use of the gate, does not need manual help when lifting the upright post, can fully automatically operate the gate and is convenient to use;
2. the utility model adopts a hydraulic cylinder (electric push rod or cylinder) for jacking, and the upright post can be forced to return when the upright post has deviation under the extreme working condition;
3. the utility model has the advantages that the cover plate at the upper end of the bolt can completely cover the opening after the bolt retracts into the opening, so that the ground is integrally smooth without holes, the appearance is beautiful, the safety is good, and the sealing performance of the gate is not influenced;
4. the left cover plate and the right cover plate of the utility model are matched through the tooth form, and the cover plates are covered on the inclined plane at the upper end of the bolt, so that the cover plates can be covered to the top of the inclined plane at the upper end of the bolt through the tooth form matching, thereby increasing the effective guide area of the bolt;
5. the left cover plate and the right cover plate are positioned between the front supporting raised line and the rear supporting raised line, so that the front side and the rear side of the cover plate can not contact with the front side surface and the rear side surface of the bolt hole at the bottom of the movable upright post all the time in the up-down lifting process of the bolt, and the front side and the rear side of the cover plate can be prevented from contacting with the front side surface and the rear side surface of the bolt hole at the bottom of the movable upright post in the descending process of the bolt, so that the cover;
6. the hydraulic station cavity of the utility model is completely sealed and arranged in the pit box body, and can be used in explosion-proof occasions;
7. the utility model discloses the transversal rectangle of personally submitting of bolt, it is bigger to compare its scope of rectifying with circular bolt.
Drawings
Fig. 1 is a schematic structural view of the pit bolt in the fixed flexible upward folding door movable upright post in an extending state.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a schematic structural view of the pit bolt retraction state of the flexible upper folding door movable upright of the present invention.
Fig. 5 is a top view of fig. 4.
Fig. 6 is a sectional view B-B of fig. 5.
Wherein:
Bolt 4
Bevel 4.1
Convex strip guide groove 11
A hydraulic station chamber 12.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Referring to fig. 1 to 6, the pit bolt for fixing the flexible upper folding door movable upright column comprises a pit box body 1, wherein a top plate 2 is arranged at the top of the pit box body 1, a hole 3 is formed in the top plate 2, a bolt 4 capable of lifting up and down is arranged below the hole 3, and the upper end of the bolt 4 is wedge-shaped;
the upper end of the bolt 4 comprises two inclined planes 4.1 which are symmetrically arranged left and right, the upper end of the bolt 4 is hinged with a left cover plate 6 and a right cover plate 6 through a pin shaft 5, the width of each cover plate 6 is larger than that of the bolt 4, a groove 7 is formed in the peripheral area of the opening 3 of the top plate 2, and the size (length and width) of the left cover plate 6 and the size (length and width) of the right cover plate 6 are consistent with that of the groove 7; when the bolt 4 extends out of the opening 3, the left cover plate 6 and the right cover plate 6 are respectively placed on the left inclined surface 4.1 and the right inclined surface 4.1; when the bolt 4 retracts into the open hole 3, the left cover plate 6 and the right cover plate 6 are placed on the groove 7 to completely cover the open hole 3;
the thickness of the cover plate 6 is consistent with the depth of the groove 7, so that the cover plate 6 is placed on the rear surface of the groove 7 and is flush with the top plate 2;
the inner sides of the left cover plate 6 and the right cover plate 6 are both provided with tooth shapes, and the tooth shapes of the inner sides of the left cover plate 6 and the right cover plate 6 are mutually matched; the cover plate 6 covers the inclined plane at the upper end of the bolt 4, and the left cover plate 6 and the right cover plate 6 can cover the top of the inclined plane at the upper end of the bolt through tooth-shaped matching, so that the effective guide area of the bolt is increased;
the cross section of the bolt 4 is rectangular, and the shape of the opening 3 is matched with that of the cross section of the bolt 4;
the length direction of the bolt 4 is vertical to the lifting and putting down directions of the movable upright post, namely the length direction of the bolt 4 is consistent with the inside and outside directions of the door leaf;
a pin slot is arranged in the pit box body 1 along the vertical direction, the pin slot is positioned below the position of the opening 3, and the pin 4 is arranged in the pin slot;
a hydraulic cylinder 9 is arranged in the bolt groove, and the bolt 4 is lifted up and down through the hydraulic cylinder 9;
a hydraulic cylinder seat 8 is arranged at the bottom of the bolt slot, the lower end of the hydraulic cylinder 9 is hinged with the hydraulic cylinder seat 8, and the upper end of the hydraulic cylinder 9 is connected with the bolt 4;
the hydraulic cylinder 9 can also be replaced by an electric push rod or an air cylinder;
the front side and the rear side of the bolt 4 are provided with supporting convex strips 10 along the vertical direction, the pin shaft 5 is arranged between the front supporting convex strip 10 and the rear supporting convex strip 10 in a penetrating manner, and the left cover plate 6 and the right cover plate 6 are positioned between the front supporting convex strip 10 and the rear supporting convex strip 10; because the left cover plate 6 and the right cover plate 6 are positioned between the front supporting raised line 10 and the rear supporting raised line 10, the front side and the rear side of the cover plate can not contact with the front side surface and the rear side surface of the bolt hole at the bottom of the movable upright post all the time in the up-down lifting process of the bolt, and the front side and the rear side of the cover plate can be prevented from contacting with the front side surface and the rear side surface of the bolt hole at the bottom of the movable upright post in the descending process of the bolt;
the front side and the rear side of the bolt groove are provided with convex strip guide grooves 11 along the vertical direction, and the support convex strips 10 are matched with the convex strip guide grooves 11;
a hydraulic station cavity 12 is formed in one side of the pin slot, a hydraulic station is arranged in the hydraulic station cavity 12, and the hydraulic station is connected with the hydraulic cylinder 9.
The working principle is as follows:
when the movable upright post is lifted, the pit bolt is started to retract into the opening, then the upright post lifting motor is started, and the movable upright post is enabled to rotate upwards in the plane of the gate X, Z along the hinge point through the lifting steel wire rope; when the movable upright post is closed, the lifting motor is started first, the lifting steel wire rope is released, the movable upright post rotates downwards in the plane of the gate X, Z along the hinge point under the action of gravity of the upright post and the counterweight (the power for closing when the upright post is closed to the position is mainly provided by the counterweight), the pit bolt is started after the upright post is closed to the position, the bolt extends out of the opening, and the upright post and the ground are relatively fixed (the lower end of the movable upright post is provided with a horn-shaped jack matched with the bolt).
In addition, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement modes should fall within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a pit bolt of folding door movable column in fixed flexibility which characterized in that: the pit box comprises a pit box body (1), wherein a top plate (2) is arranged at the top of the pit box body (1), a hole (3) is formed in the top plate (2), a plug pin (4) capable of ascending and descending is arranged below the position of the hole (3), and the upper end of the plug pin (4) is wedge-shaped.
2. The pit pin for fixing the movable upright post of the flexible upper folding door as claimed in claim 1, wherein: the upper end of the bolt (4) comprises two inclined planes (4.1) which are symmetrically arranged left and right, the upper end of the bolt (4) is hinged with a left cover plate and a right cover plate (6) through a pin shaft (5), and the top plate (2) is provided with a groove (7) in the peripheral area of the opening (3); when the bolt (4) extends out of the opening (3), the left cover plate and the right cover plate (6) are respectively placed on the left inclined plane and the right inclined plane (4.1); when the bolt (4) retracts into the opening (3), the left cover plate (6) and the right cover plate (6) are placed on the groove (7) to completely cover the opening (3).
3. A pit bolt for securing a flexible pop-up door jamb as defined in claim 2, wherein: the thickness of the cover plate (6) is consistent with the depth of the groove (7), so that the cover plate (6) is placed on the rear surface of the groove (7) and is flush with the top plate (2).
4. A pit bolt for securing a flexible pop-up door jamb as defined in claim 2, wherein: the inner sides of the left cover plate and the right cover plate (6) are both arranged into tooth shapes, and the tooth shapes of the inner sides of the left cover plate and the right cover plate (6) are mutually matched.
5. The pit pin for fixing the movable upright post of the flexible upper folding door as claimed in claim 1, wherein: the cross section of the bolt (4) is rectangular, and the shape of the opening (3) is matched with the cross section of the bolt (4).
6. A pit bolt for securing a flexible pop-up door jamb as defined in claim 2, wherein: a bolt groove is formed in the pit box body (1) in the vertical direction, the bolt groove is located below the position of the hole (3), and the bolt (4) is arranged in the bolt groove.
7. The pit pin for fixing the movable upright post of the flexible upper folding door as claimed in claim 6, wherein: a hydraulic cylinder (9), an air cylinder or an electric push rod is arranged in the bolt groove, and the bolt (4) is lifted up and down through the hydraulic cylinder (9), the air cylinder or the electric push rod.
8. The pit pin for fixing the movable upright post of the flexible upper folding door as claimed in claim 6, wherein: support convex strips (10) are arranged on the front side and the rear side of the bolt (4) in the vertical direction, the pin shaft (5) penetrates between the front support convex strip and the rear support convex strip (10), and the left cover plate and the right cover plate (6) are located between the front support convex strip and the rear support convex strip (10).
9. The pit pin for securing a flexible pop-up door jamb of claim 8, wherein: both sides are provided with sand grip guide slot (11) along vertical direction around the bolt groove, support sand grip (10) and sand grip guide slot (11) and cooperate.
10. The pit pin for fixing the movable upright post of the flexible upper folding door as claimed in claim 6, wherein: a hydraulic station cavity (12) is formed in one side of the pin slot, a hydraulic station is arranged in the hydraulic station cavity (12), and the hydraulic station is connected with a hydraulic cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048610.XU CN211818748U (en) | 2019-11-23 | 2019-11-23 | Pit bolt for fixing flexible upper folding door movable upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048610.XU CN211818748U (en) | 2019-11-23 | 2019-11-23 | Pit bolt for fixing flexible upper folding door movable upright post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211818748U true CN211818748U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922048610.XU Active CN211818748U (en) | 2019-11-23 | 2019-11-23 | Pit bolt for fixing flexible upper folding door movable upright post |
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| Country | Link |
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| CN (1) | CN211818748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042669A (en) * | 2019-11-23 | 2020-04-21 | 江苏贝特自动门技术有限公司 | Pit bolt for fixing flexible upper folding door movable upright post |
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2019
- 2019-11-23 CN CN201922048610.XU patent/CN211818748U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042669A (en) * | 2019-11-23 | 2020-04-21 | 江苏贝特自动门技术有限公司 | Pit bolt for fixing flexible upper folding door movable upright post |
| CN111042669B (en) * | 2019-11-23 | 2024-08-23 | 江苏贝特自动门技术有限公司 | Pit bolt for fixing flexible upper folding door movable upright post |
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