Special door spindle structure for special door

Abstract

The utility model relates to a special door spindle structure for a special door, which belongs to the field of door spindles, and comprises a strip-shaped plate, an L-shaped plate, a first sleeve and a threaded cylinder, a mounting mechanism is arranged among the strip-shaped plate, the L-shaped plate, the first sleeve and the threaded cylinder, the mounting mechanism comprises a second sleeve fixedly mounted on the surface of the strip-shaped plate, a clamping groove is formed in the surface of the second sleeve, and the clamping groove is matched with the clamping groove. Bearings are fixedly installed in inner cavities of the first sleeve and the second sleeve correspondingly, connecting blocks are fixedly installed on the inner sides of the bearings correspondingly, and grooves are formed in the surfaces of the connecting blocks correspondingly. According to the special door shaft structure for the special door, the mounting mechanism is arranged among the strip-shaped plate, the L-shaped plate, the first sleeve and the threaded cylinder, when the special door shaft structure is used, the first sleeve is connected to the connecting column in a sleeving mode, then the threaded cylinder is clamped into the second sleeve, and then the threaded cylinder is connected in a sleeving mode; the door body can be installed by making the first ball make contact with the connecting block in the second sleeve, the door body does not need to be overall lifted up during installation, and use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of door shafts, in particular to a special door shaft structure. Background Art

[0002] A special door is a door with special functions or special purposes, usually used in specific places or environments. These doors usually have special materials, structures and designs to ensure that they can play special roles in specific situations, such as fireproof, bulletproof, explosion-proof, etc. Special doors are widely used in industrial, commercial, military and other fields, and can provide additional security and functionality. The door shaft is a rotating part used to support and connect the special door and the door frame.

[0003] However, existing door shafts generally adopt plug-in shafts, that is, the shaft seat is installed on the door frame, and the shaft is installed on the door. When installing the door body, the door body needs to be lifted upward as a whole and the shaft is inserted into the shaft seat. However, the existing special doors are heavy and it is more laborious to lift them, resulting in low efficiency in installing the door body. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a door axis structure dedicated to special doors, which has the advantage of facilitating the installation of the door body and solves the problem that the existing door axis generally adopts an inserted axis, that is, the axis seat is installed on the door frame, and the axis is installed on the door. When installing the door body, the door body needs to be lifted upward as a whole and the axis is inserted into the axis seat. However, the existing special doors are heavy and it is more laborious to lift them, resulting in low efficiency in installing the door body.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a door shaft structure for special doors, comprising a strip plate, an L-shaped plate, a first sleeve and a threaded cylinder, wherein a mounting mechanism is provided between the strip plate, the L-shaped plate, the first sleeve and the threaded cylinder;

[0006] The mounting mechanism includes a second sleeve fixedly mounted on the surface of the strip plate, a slot is provided on the surface of the second sleeve, bearings are fixedly mounted in the inner cavities of the first sleeve and the second sleeve, connecting blocks are fixedly mounted on the inner sides of the bearings, grooves are provided on the surfaces of the connecting blocks, a threaded column is threadedly connected to the inner side of the threaded barrel, a connecting column is fixedly mounted on the surface of the L-shaped plate, a first sphere is fixedly mounted on the top of the threaded column, and a second sphere is movably mounted on the top of the connecting column.

[0007] Furthermore, two first mounting holes are opened on the surface of the strip plate, and the two first mounting holes are symmetrically distributed on the surface of the strip plate.

[0008] The beneficial effect of adopting the above further solution is that it is easy to install and fix the strip board.

[0009] Furthermore, two second mounting holes are opened on the surface of the L-shaped plate, and the two second mounting holes are symmetrically distributed on the surface of the L-shaped plate.

[0010] The beneficial effect of adopting the above further solution is that it is easy to install and fix the L-shaped plate.

[0011] Furthermore, the internal shape and size of the first sleeve are adapted to the external shape and size of the connecting column.

[0012] The beneficial effect of adopting the above further solution is that it is convenient to sleeve the first sleeve on the connecting column.

[0013] Furthermore, the clamping groove is adapted to the threaded column, and the diameter of the second sleeve is the same as the diameter of the threaded barrel.

[0014] The beneficial effect of adopting the above further solution is that it is easy to insert the threaded column and the first sphere into the second sleeve.

[0015] Furthermore, the groove is adapted to the first sphere and the second sphere.

[0016] The beneficial effect of adopting the above further solution is that it is easy for the first sphere and the second sphere to be inserted into the groove.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] The special door axis structure is dedicated to special doors, by providing an installation mechanism between the strip plate, the L-shaped plate, the first sleeve and the threaded cylinder. When in use, it is only necessary to first sleeve the first sleeve on the connecting column, and then insert the threaded column into the second sleeve, and then the threaded column is sleeved to make the first sphere contact with the connecting block in the second sleeve to complete the installation of the door body. There is no need to lift the door body as a whole during installation, and the use is convenient and quick. It solves the problem that the existing door axis generally adopts an inserted axis, that is, the axis seat is installed on the door frame, and the axis is installed on the door. When installing the door body, the door body needs to be lifted up as a whole and the axis is inserted into the axis seat. However, the existing special door is heavy and it is more laborious to lift it, resulting in a low efficiency in installing the door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structural strip plate of the utility model;

[0020] Figure 2 This is a schematic diagram of the L-shaped plate structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the first sleeve of the utility model structure;

[0022] Figure 4 This is a schematic diagram of the threaded barrel of the utility model structure;

[0023] Figure 5 This is a schematic diagram of the structural connection block of the utility model;

[0024] Figure 6 This is a schematic diagram of the interior of the first sleeve of the utility model structure;

[0025] Figure 7 This is a schematic diagram of the interior of the second sleeve of the utility model structure.

[0026] In the figure: 1, strip plate; 2, L-shaped plate; 3, first sleeve; 4, threaded cylinder; 5, second sleeve; 6, slot; 7, bearing; 8, connecting block; 9, groove; 10, threaded column; 11, connecting column; 12, first sphere; 13, second sphere; 14, first mounting hole; 15, second mounting hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-7A special door hinge structure in this embodiment includes a strip plate 1, two first mounting holes 14 are opened on the surface of the strip plate 1, and the two first mounting holes 14 are symmetrically distributed on the surface of the strip plate 1, which is convenient for installing and fixing the strip plate 1, an L-shaped plate 2, two second mounting holes 15 are opened on the surface of the L-shaped plate 2, and the two second mounting holes 15 are symmetrically distributed on the surface of the L-shaped plate 2, which is convenient for installing and fixing the L-shaped plate 2, a first sleeve 3 and a threaded cylinder 4, characterized in that: an installation mechanism is provided between the strip plate 1, the L-shaped plate 2, the first sleeve 3 and the threaded cylinder 4, and the installation mechanism includes a second sleeve 5 fixedly installed on the surface of the strip plate 1, a card groove 6 is opened on the surface of the second sleeve 5, and the inner cavities of the first sleeve 3 and the second sleeve 5 are both fixedly installed There are bearings 7, and connecting blocks 8 are fixedly installed on the inner sides of the bearings 7. Grooves 9 are opened on the surfaces of the connecting blocks 8. A threaded column 10 is threadedly connected to the inner side of the threaded barrel 4. A connecting column 11 is fixedly installed on the surface of the L-shaped plate 2. The internal shape and size of the first sleeve 3 are adapted to the external shape and size of the connecting column 11, so that the first sleeve 3 can be sleeved on the connecting column 11. A first sphere 12 is fixedly installed on the top of the threaded column 10, and the slot 6 is adapted to the threaded column 10. The diameter of the second sleeve 5 is the same as that of the threaded barrel 4, so that the threaded column 10 and the first sphere 12 can be easily inserted into the second sleeve 5. A second sphere 13 is movably installed on the top of the connecting column 11, and the groove 9 is adapted to the first sphere 12 and the second sphere 13, so that the first sphere 12 and the second sphere 13 can be easily inserted into the groove 9.

[0029] It should be noted that the strip plate 1 and the L-shaped plate 2 in this embodiment need to be installed on the door frame, the first sleeve 3 needs to be installed on the bottom of the door body, and the threaded cylinder 4 needs to be installed on the side surface of the door body.

[0030] The working principle of the above embodiment is:

[0031] When in use, first put the first sleeve 3 on the connecting column 11, so that the second sphere 13 contacts the connecting block 8 in the first sleeve 3 and is snapped into the groove 9, and then the threaded column 10 and the first sphere 12 are snapped into the second sleeve 5 through the slot 6. By twisting the threaded column 10, the threaded column 10 moves upward, so that the first sphere 12 contacts the connecting block 8 in the second sleeve 5 and is snapped into the groove 9, and the installation of the door body can be completed.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door shaft structure for special doors, comprising a strip plate (1), an L-shaped plate (2), a first sleeve (3) and a threaded cylinder (4), characterized in that: A mounting mechanism is provided between the strip plate (1), the L-shaped plate (2), the first sleeve (3) and the threaded cylinder (4); The mounting mechanism comprises a second sleeve (5) fixedly mounted on the surface of the strip plate (1), a slot (6) being provided on the surface of the second sleeve (5), bearings (7) being fixedly mounted in the inner cavities of the first sleeve (3) and the second sleeve (5), a connecting block (8) being fixedly mounted on the inner side of the bearing (7), a groove (9) being provided on the surface of the connecting block (8), a threaded column (10) being threadedly connected on the inner side of the threaded cylinder (4), a connecting column (11) being fixedly mounted on the surface of the L-shaped plate (2), a first sphere (12) being fixedly mounted on the top of the threaded column (10), and a second sphere (13) being movably mounted on the top of the connecting column (11).

2. A door axis structure for special doors according to claim 1, characterized in that: Two first mounting holes (14) are provided on the surface of the strip plate (1), and the two first mounting holes (14) are symmetrically distributed on the surface of the strip plate (1).

3. The door shaft structure for special doors according to claim 1, characterized in that: Two second mounting holes (15) are provided on the surface of the L-shaped plate (2), and the two second mounting holes (15) are symmetrically distributed on the surface of the L-shaped plate (2).

4. The door axis structure for special doors according to claim 1, characterized in that: The internal shape and size of the first sleeve (3) are matched with the external shape and size of the connecting column (11).

5. The door axis structure for special doors according to claim 1, characterized in that: The clamping groove (6) is matched with the threaded column (10), and the diameter of the second sleeve (5) is the same as the diameter of the threaded cylinder (4).

6. The door axis structure for special doors according to claim 1, characterized in that: The groove (9) is adapted to the first sphere (12) and the second sphere (13).

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