Lifting column inner cylinder and lifting column

Abstract

The utility model relates to the technical field of roadblock equipment, and discloses a lifting column inner cylinder and a lifting column, the lifting column inner cylinder comprises an inner cylinder body and a guide ring arranged on the inner cylinder body, the lifting column inner cylinder is characterized in that the guide ring comprises a first guide ring formed by folding the lower end part of the inner cylinder body outwards, and a second guide ring formed by folding the lower end part of the inner cylinder body outwards; the first guide ring and the inner barrel are of an integrated structure, a first wire slot hole, at least two first guide holes and at least two first height limiting piece mounting holes are formed in the first guide ring. According to the inner barrel of the lifting column, the first guide ring is formed by outwards folding the lower end of the inner barrel body, additional machining and welding are not needed, the production and assembly efficiency of the lifting column is effectively improved, and meanwhile compared with traditional part assembly and welding, the integrally-formed structure is more reliable, and the product assembly precision is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadblock equipment technical field especially, relates to a kind of lifting column outer tube and lifting column. BACKGROUND

[0002] Lifting type vehicle blocking roadblock, also called lifting column or automatic lifting column, is pre-buried and installed in specific position, with lifting function, and its biggest advantage is that it has strong blocking ability after lifting, and does not occupy any surface space after lowering, and is applied to various entrances and exits passages with security requirements.

[0003] The common lifting column structure is described in Chinese patent application CN108396680A, which includes a base, an outer column assembly, an inner column assembly, and a lifting device. The outer column assembly and the lifting device are fixed to the base. The outer column assembly includes an outer column cylinder with a top opening. The outer column cylinder is buried underground. The inner column assembly includes an inner column cylinder with a bottom opening. The inner column cylinder is movably embedded in the outer column cylinder. The lifting device is arranged in the inner column cylinder. The lifting device is provided with a push rod. The top of the inner column cylinder is provided with a connecting plate. A connecting hole matching the push rod is formed in the middle position of the connecting plate. The push rod is fixed in the connecting hole. The push rod is used to push the inner column cylinder to move along the length direction of the outer column cylinder. The bottom of the outer column cylinder is provided with a drainage opening. A road stake is arranged in an installation groove below the ground. A water collecting groove lower than the installation groove is arranged near the installation groove. The drainage opening is used to guide water in the outer column assembly and the inner column assembly into the water collecting groove. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a lifting column inner cylinder and a lifting column with the inner cylinder for easy production and assembly, thereby solving one or more technical problems in the prior art and providing at least one beneficial option or creating conditions.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions.

[0006] A lifting column inner cylinder includes an inner cylinder body and a guide ring arranged on the inner cylinder body. The guide ring includes a first guide ring folded outward from the lower end of the inner cylinder body. The first guide ring is an integral structure with the inner cylinder body. A first wire slot hole, a first guide hole, and a first height limiting piece mounting hole are provided on the first guide ring. The first guide hole and the first height limiting piece mounting hole are at least two.

[0007] More preferably, a first height limiting bolt protruding downward is mounted on the first height limiting piece mounting hole, and a first flexible pad is arranged at the bottom of the first height limiting bolt.

[0008] More preferably, a second guide ring is installed on the outer wall of the inner cylinder, and a second wire slot hole, a second guide hole and a second height limiting piece mounting hole are arranged on the second guide ring respectively corresponding to the first wire slot hole, the first guide hole and the first height limiting piece mounting hole.

[0009] More preferably, a second height limiting bolt protruding upward is installed on the second height limiting piece mounting hole, and a second flexible pad is arranged on the top of the second height limiting bolt.

[0010] More preferably, a shaft sleeve matched with the guide shaft is arranged on the first guide hole and the second guide hole, and a through hole through which the guide shaft passes is arranged on the shaft sleeve, and the inner wall of the through hole is matched with the outer wall of the guide shaft. The shaft sleeve is preferably a nylon sleeve.

[0011] More preferably, a top cover is installed on the top opening of the inner cylinder, and a connecting plate used for connecting the lifting device is installed on the top cover; the top cover and the connecting plate are connected by bolts to form a suspended connection, so that the connecting plate extends into the inner cylinder.

[0012] In another aspect, the utility model also provides a lifting column, which comprises an inner cylinder, an outer cylinder and a lifting device assembled together, a guide column is arranged in the outer cylinder, the inner cylinder is connected with the guide column through a guide hole, and the lifting device is used for driving the inner cylinder to move up and down along the height direction of the outer cylinder; characterized in that the inner cylinder is the lifting column inner cylinder as described above.

[0013] More preferably, the outer cylinder comprises an outer cylinder body made through a roll forming and folding process, a wire box made through a stamping and folding process, and an outer cylinder bottom plate; a first flange used for receiving a lifting mechanism is integrally formed on the top of the outer cylinder body, a plurality of connecting holes are formed on the first flange, a second flange is integrally formed on the bottom of the outer cylinder body, the outer cylinder bottom plate is installed and fixed on the second flange, the wire box is installed on the outer wall of the outer cylinder body on the side corresponding to the wire hole penetrating through the side wall of the outer cylinder body, and a drain hole is arranged on the lower side of the outer wall of the outer cylinder body; a reinforcing connecting piece is arranged corresponding to the connecting hole, and a threaded hole matched with the connecting hole is arranged on the reinforcing connecting piece.

[0014] More preferably, a plurality of support plates are connected between the outer side wall of the outer cylinder body and the bottom side of the first flange, and the support plates are welded and fixed with the outer side wall of the outer cylinder body and the bottom side of the first flange; a plurality of notched grooves are arranged on each support plate, and the notched grooves are used to enhance the grip performance of the outer cylinder of the lifting column.

[0015] More preferably, the lifting mechanism has a mounting flange matched with the first flange, a pressing mounting plate is arranged corresponding to the mounting flange, through holes corresponding to the connecting holes are arranged on the mounting flange and the pressing mounting plate, and a bolt is arranged to pass through each through hole and the connecting hole to lock and fix the lifting mechanism to the outer cylinder of the lifting column.

[0016] The technical scheme provided by the utility model has at least the following technical effects or advantages.

[0017] I. The utility model provides a kind of inner cylinder of lifting column, and the first guide ring is folded outward from the lower end of inner cylinder body, without additional processing welding, effectively improve the production assembly efficiency of lifting column, simultaneously, compared with traditional component assembly welding, integrated structure is more reliable, and product assembly precision is higher.

[0018] II. The utility model provides a kind of inner cylinder of lifting column, by setting second guide ring, and corresponding height limiting piece is set on the first guide ring and second guide ring, the lifting height of the inner cylinder of lifting column is controlled;Combined with height limiting piece mounting hole, height limiting bolt and flexible pad, the dismounting and anti-collision of height limiting piece are facilitated.

[0019] III. By setting the shaft sleeve matched with guide shaft on the first guide hole and second guide hole, the through hole for the guide shaft to pass through is set on the shaft sleeve, the inner wall of through hole and the outer wall of guide shaft are attached, and the lifting stability of the inner cylinder of lifting column can be effectively improved.

[0020] IV. By installing top cover on the top opening of inner cylinder body, connecting plate for connecting lifting device is installed on the top cover;The connecting plate is inserted into the inner cylinder body by bolt between top cover and connecting plate, so that the connection and assembly of the inner cylinder of lifting column and lifting device are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 As shown in the utility model, the structure of lifting column is shown.

[0022] Figure 2 As shown in the utility model, the structure of lifting column is shown.

[0023] Figure 3 As shown in the utility model, the structure of inner cylinder of lifting column is shown.

[0024] Figure 4 As shown in the utility model, the structure of inner cylinder of lifting column is shown.

[0025] Figure 5 As shown in the utility model, the structure of inner cylinder of lifting column is shown.

[0026] Figure 6It is shown that the outer cylinder structure diagram of the lifting column.

[0027] Figure 7 It is shown that Figure 6 The structural exploded view of the lifting column.

[0028] Figure 8 It is shown that another embodiment structure diagram of the outer cylinder of the lifting column in the utility model.

[0029] Figure 9 It is shown that Figure 8 The structural exploded view.

[0030] Figure 10 It is shown that the structure diagram of the pull rivet nut.

[0031] Explanation of reference signs.

[0032] 1: inner cylinder, 2: outer cylinder, 3: lifting device, 4: guide column, 5: compression mounting plate, 6: bolt.

[0033] 1-1: inner cylinder body, 1-2: first guide ring, 1-3: first wire slot hole, 1-4: first guide hole, 1-5: first height limiting piece mounting hole, 1-6: second guide ring, 1-7: first height limiting bolt, 1-8: second height limiting bolt, 1-9: shaft sleeve, 1-10: top cover, 1-11: connecting plate, 1-12: bolt.

[0034] 2-1: outer cylinder body, 2-2: connecting reinforcing piece, 2-3: outer cylinder bottom plate, 2-4: wire box, 2-5: drain hole, 2-6: support plate, 2-7: pull rivet nut.

[0035] 2-1-1: first flange, 2-1-2: connecting hole, 2-1-3: second flange.

[0036] 2-6-1: notch groove.

[0037] 2-7-1: pull rivet part, 2-7-2: threaded part.

[0038] 3-1: mounting flange. DETAILED DESCRIPTION

[0039] The specific embodiments of the utility model will be further described below in combination with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are clearer and more explicit. The description of the embodiments below by referring to the drawings is exemplary and is intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0040] The additional aspects and advantages of the utility model will become apparent in the following description part or be understood through the practice of the utility model.

[0041] Refer toFigure 1 , Figure 2 As shown, a lifting column includes an inner cylinder 1, an outer cylinder 2, and a lifting device 3 assembled together. A guide column 4 is provided inside the outer cylinder 2. The inner cylinder 1 is vertically connected to the guide column 4 through a guide hole. The lifting device 4 is used to push the inner cylinder 1 to move up and down along the height direction of the outer cylinder 2.

[0042] Combination Figure 3 As shown, the inner cylinder 1 includes an inner cylinder body 1-1 and a first guide ring 1-2 formed by folding the lower end of the inner cylinder body 1-1 outward. The first guide ring 1-2 is an integral structure with the inner cylinder body 1-1. The first guide ring 1-2 is provided with a first groove hole 1-3, a first guide hole 1-4 and a first height limiting component mounting hole 1-5. There are at least two first guide holes 1-4 and at least three first height limiting component mounting holes 1-5. In this embodiment, three are preferred, arranged in a triangular pattern, which not only improves reliability but also avoids the assembly inconvenience caused by too many holes.

[0043] Combination Figure 4 As shown, in one embodiment, a second guide ring 1-6 is installed on the outer wall of the inner cylinder 1-1. The second guide ring 1-6 is provided with a second groove hole, a second guide hole, and a second height limiter mounting hole, which are respectively corresponding to the first groove hole, the first guide hole, and the first height limiter mounting hole.

[0044] A downward-protruding first height-limiting bolt 1-7 is installed in the mounting hole of the first height-limiting component, and preferably a first flexible pad is provided at the bottom of the first height-limiting bolt 1-7. A upward-protruding second height-limiting bolt 1-8 is installed in the mounting hole of the second height-limiting component, and a second flexible pad is provided at the top of the second height-limiting bolt 1-8. The flexible pad provides a better anti-collision effect.

[0045] Preferably, bushings 1-9 that cooperate with the guide shaft are also provided on the first guide hole and the second guide hole. A through hole for the guide shaft to pass through is provided on the bushing 1-9. The inner wall of the through hole fits against the outer wall of the guide shaft, thereby ensuring the smooth lifting and stability of the inner cylinder of the lifting column.

[0046] Combination Figure 5As shown, in one embodiment, a top cover 1-10 is mounted on the top opening of the inner cylinder 1-1, and a connecting plate 1-11 for connecting the lifting device is mounted on the top cover 1-10; the top cover 1-10 and the connecting plate 1-11 are connected by bolts 1-12 to form a suspended connection, so that the connecting plate 1-11 extends into the inner cylinder 1-1. When assembling the lifting column inner cylinder and the lifting device, the lifting rod of the lifting device can be connected with the connecting plate 1-11 first, and then the top cover 1-10 is mounted on the top opening of the inner cylinder 1-1, which is convenient and fast, and effectively improves the connection and assembly efficiency of the lifting column inner cylinder and the lifting device.

[0047] Referring to Figure 6 As shown, the outer cylinder includes an outer cylinder body 2-1, a connecting reinforcement 2-2, an outer cylinder bottom plate 2-3, and a wire box 2-4 assembled together; a first flange 2-1-1 for receiving the lifting mechanism is integrally formed on the top of the outer cylinder body 2-1, and a plurality of connecting holes 2-1-2 are provided on the first flange 2-1-1, preferably four connecting holes 2-1-2, the connecting reinforcement 2-2 is correspondingly provided with the connecting holes 2-1-2; a second flange 2-1-3 is integrally formed on the bottom of the outer cylinder body 2-1, and the outer cylinder bottom plate 2-3 is mounted and fixed on the second flange 2-1-3; the wire box 2-4 is mounted on the outer wall of the outer cylinder body 2-1, and a drain hole 2-5 is provided on the lower side of the outer wall of the outer cylinder body 2-1.

[0048] Among them, the outer cylinder body 2-1 can be made by edge rolling and flanging process, the wire box 4 can be obtained by stamping and flanging, and the connecting reinforcement 2-2, the outer cylinder bottom plate 2-3 and the wire box 2-4 can be fixed to the outer cylinder body 1 by welding, riveting and other processes, which has less number of accessories, simple process and high production efficiency.

[0049] In the above outer cylinder, the first flange 2-1-1 for receiving the lifting mechanism is provided on the top of the outer cylinder body 2-1, which facilitates the assembly of the lifting mechanism and the lifting column outer cylinder, and after assembly, the first flange 2-1-1 is used for bearing and limiting (the limiting is realized by the upward flange of the first flange 2-1-1), which effectively improves the assembly stability and anti-collision performance of the lifting mechanism and is not easy to be damaged by collision. At the same time, by providing the connecting holes 2-1-2 on the first flange and the connecting reinforcement 2-2 corresponding to the connecting holes 2-1-2, the lifting mechanism and the outer cylinder body 2-1 can be reliably connected by bolts, which is convenient for installation and maintenance. In addition, the setting of the wire box 4 is more conducive to wiring and wire storage.

[0050] Further, in the embodiment, preferably, a plurality of support plates 2-6 are connected between the outer sidewall of the outer cylinder 2-1 and the bottom side of the first flange 2-1-1, and preferably the number of the support plates 2-6 is four. The support plates 2-6 are welded and fixed with the outer sidewall of the outer cylinder 2-1 and the bottom side of the first flange 2-1-1. Since the entire outer cylinder 2-1 is made by the edge rolling process, the structure strength of the outer cylinder after edge rolling can be further enhanced by arranging the support plates 2-6, so as to ensure the supporting effect of the first flange 2-1-1.

[0051] Preferably, a plurality of notched grooves 2-6-1 are arranged on each of the support plates 2-6. The notched grooves 2-6-1 can enhance the gripping effect of the outer cylinder of the lifting column, and further enhance the anti-collision performance of the lifting column.

[0052] The connecting reinforcement 2-2 is preferably an arc-shaped flat plate. Apparently, in some embodiments, the support plates 2-6 can be omitted; in some embodiments, the connecting reinforcement 2-2 can also be omitted, and a pull rivet nut 2-7 matched with a bolt is directly used to achieve the purpose of reliable connection. As shown in Figure 8 、 Figure 9 、 Figure 10 The pull rivet part 2-7-1 of the pull rivet nut 2-7 is riveted and fixed with the circumferential edge of the connecting hole 2-1-2, and plays a role of connecting reinforcement, and the threaded part 2-7-2 of the pull rivet nut 2-7 protrudes to the lower side of the first flange. It should be noted that, in addition to the two structure forms exemplified above, the connecting reinforcement 2-2 can also adopt other structure forms of reinforcement connection structure known at present or to be realized in the future.

[0053] Further, as shown in Figure 1 、 Figure 2 The lifting device 3 has a mounting flange 3-1 matched with the first flange 2-1-1, a pressing mounting plate 5 corresponding to the mounting flange 3-1, and through holes corresponding to the connecting holes 2-1-2 are arranged on the mounting flange 3-1 and the pressing mounting plate 5, and a bolt 6 passes through each through hole and connecting hole to lock and fix the lifting mechanism 7 to the outer cylinder of the lifting column.

[0054] Here, the connecting structure of the mounting flange 3-1, the pressing mounting plate 5 and the bolt locking is not only stable and reliable, but also convenient to disassemble and maintain.

[0055] In addition, it should be noted that in the description of the present application, for the terms of orientation, such as the terms of "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0056] In the present application, unless otherwise specified and limited, the terms "assembly", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or it can be connected between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0057] In the present application, unless otherwise specified and limited, the first feature "on" or "below" the second feature can include direct contact between the first and second features, or can include indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "on", "below" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than the height of the second feature. The first feature "on", "below" and "below" the second feature includes the first feature directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is lower than the second feature.

[0058] Through the description of the above structure and principle, those skilled in the art should understand that the present application is not limited to the specific embodiments described above, and improvements and replacements of known technologies based on the present application all fall within the protection scope of the present application, and the protection scope of the present application should be limited by the claims and their equivalents. The parts not described in the specific embodiments are all prior art or common knowledge.

Claims

1. A lift column inner tube comprising an inner tube body and a guide ring provided on the inner tube body, characterized by, The guide ring comprises a first guide ring folded outward from the lower end of the inner cylinder, which is an integral structure with the inner cylinder, and is provided with a first wire slot hole, a first guide hole and a first height limiting piece mounting hole.

2. A lift column inner tube according to claim 1, wherein A first height limiting bolt protruding downward is mounted on the first height limiting piece mounting hole, and a first flexible pad is provided at the bottom of the first height limiting bolt.

3. The inner tube of claim 1, wherein A second guide ring is additionally mounted on the outer wall of the inner cylinder, and is provided with a second wire slot hole, a second guide hole and a second height limiting piece mounting hole corresponding to the first wire slot hole, the first guide hole and the first height limiting piece mounting hole respectively.

4. A lift column inner tube according to claim 3, wherein A second height limiting bolt protruding upward is mounted on the second height limiting piece mounting hole, and a second flexible pad is provided at the top of the second height limiting bolt.

5. A lift column inner tube according to claim 3, wherein A shaft sleeve cooperating with the guide shaft is provided on the first guide hole and the second guide hole, and a through hole through which the guide shaft passes is provided on the shaft sleeve, and the inner wall of the through hole is in close contact with the outer wall of the guide shaft.

6. A lift column inner tube according to claim 1, wherein A top cover is mounted on the top opening of the inner cylinder, and a connecting plate for connecting the lifting device is mounted on the top cover; the top cover and the connecting plate are connected in the air by bolts, so that the connecting plate extends into the inner cylinder.

7. A lifting column comprising an inner cylinder, an outer cylinder and a lifting device assembled together, a guide column is arranged in the outer cylinder, the inner cylinder is connected with the guide column through a guide hole, and the lifting device is used to push the inner cylinder to move up and down along the height direction of the outer cylinder; characterized in that, The inner cylinder is the inner cylinder of the lifting column according to any one of claims 1-6.

8. A lift column according to claim 7, wherein, The outer cylinder comprises an outer cylinder body made by a rolling and folding process, a wire box made by a stamping and folding process, and an outer cylinder bottom plate; a first flange for receiving a lifting mechanism is integrally formed at the top of the outer cylinder body, a plurality of connecting holes are formed on the first flange, a second flange is integrally formed at the bottom of the outer cylinder body, the outer cylinder bottom plate is mounted and fixed on the second flange, the wire box is mounted on the outer wall of the outer cylinder body on the side corresponding to the wire hole penetrating through the side wall of the outer cylinder body, and a drainage hole is provided on the lower side of the outer wall of the outer cylinder body; a reinforcing connecting piece is provided corresponding to the connecting hole, and a threaded hole cooperating with the connecting hole is provided on the reinforcing connecting piece.

9. A lift column according to claim 8, wherein, A plurality of support plates are connected between the outer side wall of the outer cylinder body and the bottom side of the first flange, and the support plates are welded and fixed with the outer side wall of the outer cylinder body and the bottom side of the first flange; a plurality of notched grooves are provided on each support plate, which are used to enhance the grip performance of the outer cylinder of the lifting column.

10. A lift column according to claim 8, wherein, The lifting mechanism has a mounting flange cooperating with the first flange, a pressing mounting plate corresponding to the mounting flange, and through holes corresponding to the connecting holes are provided on the mounting flange and the pressing mounting plate, and a bolt passes through each through hole and connecting hole to lock and fix the lifting mechanism to the outer cylinder of the lifting column.

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