CN212984911U

CN212984911U - Access door key

Info

Publication number: CN212984911U
Application number: CN202021151061.5U
Authority: CN
Inventors: 刘志洋; 周永刚; 沈予蜀; 吴雪琴; 王文飞; 张乾
Original assignee: China Tobacco Henan Industrial Co Ltd
Current assignee: China Tobacco Henan Industrial Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-04-16
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses an access door key, which comprises a key head (1) and a key rod (2), wherein one end of the key head (1) is provided with a mounting hole (3), the other end of the key head is fixedly connected with the key rod (2), a square blind hole (4) is formed on the key rod (2) along the axial direction, the access door key also comprises a square inner rod (5), one end of the square inner rod (5) is spliced with the square blind hole (4), and the other end of the square inner rod is provided with a key ring (6); one end of the key rod (2) is provided with a positioning component, and the other end of the key rod is provided with a limiting component; the mounting hole (3) is a square hole, a square rod (17) is inserted in the mounting hole (3), and a triangular key hole (18) is formed in the square rod (17) in the axial direction. The utility model has the advantages of small size, portability and convenient operation.

Description

Access door key

Technical Field

The utility model relates to a key, concretely relates to access door key.

Background

In the cigarette factory, make the tobacco leaf into the cigarette and need pass through a large amount of processes, each process all is provided with corresponding equipment, and current cigarette making equipment all needs location maintenance, and the access door on the equipment needs special key just can open, for example the access door of tobacco leaf foreign matter edulcoration equipment, current access door key exists the size longer, the heavier shortcoming of weight, inconvenient hand-carrying, all need look for the key when overhauing at every turn, influence maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an access door key to solve the technical problem among the prior art, it has the size little, portable and the advantage of being convenient for operate.

The utility model provides an access door key, which comprises a key head and a key rod, wherein one end of the key head is provided with an installation hole, the other end of the key head is fixedly connected with the key rod, a square blind hole is axially formed on the key rod, the access door key also comprises a square inner rod, one end of the square inner rod is connected with the square blind hole in an inserting way, and the other end of the square inner rod is provided with a key ring; one end of the key rod is provided with a positioning component, and the other end of the key rod is provided with a limiting component; the mounting hole is a square hole, a square rod is inserted in the mounting hole, and a triangular key hole is formed in the square rod along the axial direction.

In the aforementioned access door key, preferably, the positioning assembly includes a jack screw, a spring and a steel ball, a step hole is formed in a side wall of one end of the key rod connected to the key head, the steel ball and the spring are installed in the step hole through the jack screw, and a limit groove matched with the steel ball is formed in a side wall of one end of the square blind hole, into which the square inner rod is inserted.

In the aforementioned access door key, preferably, the locating component includes the locating plate, the open end of square blind hole has the locating plate mounting groove, the locating plate is fixed in the mounting groove, the spacing groove has been seted up along its length direction on the lateral wall of square interior pole, the one end of locating plate inserts the spacing inslot.

In the aforementioned access door key, preferably, the holding tank has been seted up on a set of relative lateral wall of square interior pole, the upset pole is rotationally installed to the holding tank.

In the access door key, preferably, a through hole is formed in a top wall of the key head, the through hole is communicated with the mounting hole, the access door key further comprises a pressing rod, the pressing rod is connected with the through hole in an inserting manner, one end of the pressing rod is located in the mounting hole, and the other end of the pressing rod penetrates out of the key head.

In the above-described access door key, preferably, a magnet 21 is provided on a top wall of the mounting hole.

Compared with the prior art, the utility model discloses a key head and key pole, the one end of key head is formed with the key hole, and the other end is formed with square blind hole along the axial on the key pole, still includes square interior pole, the one end of square interior pole with square blind hole plug-in connection, key ring are installed to the other end, through the cooperation of square interior pole with square blind hole, can make its whole length diminish in square interior pole income key pole when not using, the key ring conveniently with staff's key ring cooperation, conveniently carry and be difficult for losing. When in use, the square inner rod is pulled out, and the access door can be easily opened by the convenient force application of the key ring.

Drawings

Fig. 1 is an isometric view of the invention in a contracted state;

fig. 2 is an isometric view of the open position of the present invention;

fig. 3 is a schematic structural view of the present invention after being partially cut open.

Description of reference numerals: 1-a key head, 2-a key rod, 3-a mounting hole, 4-a square blind hole, 5-a square inner rod, 6-a key ring, 7-a jackscrew, 8-a spring, 9-a steel ball, 10-a step hole, 11-a limiting groove, 12-a limiting groove, 13-a containing groove, 14-a turnover rod, 15-a step hole, 16-a limiting groove, 17-a square rod, 18-a triangular key hole, 19-a through hole, 20-a pressing rod and 21-a magnet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The embodiment of the utility model provides a: as shown in fig. 1-3, an access door key comprises a key head 1, a key rod 2 and a square inner rod 5, wherein the key head 1 and the key rod 2 are both cylindrical in overall appearance, a mounting hole 3 is formed at one end of the key head 1, the other end of the key head 1 is fixedly connected with the key rod 2, a square blind hole 4 is formed in the key rod 2 along the axial direction, the depth of the square blind hole 4 is slightly smaller than the length of the key rod 2, one end of the square inner rod 5 is connected with the square blind hole 4 in an inserting manner, a key ring 6 is installed at the other end of the square inner rod 5, and the key ring 6 is detachably designed; one end of the key rod 2 is provided with a positioning component, and the other end is provided with a limiting component; the mounting hole 3 is a square hole, a square rod 17 is inserted in the mounting hole 3, and a triangular key hole 18 is formed in the square rod 17 along the axial direction.

When not using, in inserting pole 5 in the square key pole 2, after inserting on earth, the locating component on the key pole 2 can be to pole 5 location in the square, makes it unable removal under the effect that does not have the external force, this moment the utility model discloses length is shorter, conveniently carries, and accessible key ring 6 hangs it on the waistband or on the key ring. When needing to use, only need pull key ring 6 hard, pole 5 is pulled out key rod 2 in the square under the exogenic force, but under spacing subassembly's effect, pole 5 can't break away from key rod 2 completely in the square, this moment the utility model discloses an overall length increases, facilitates the use, and when opening the diagnosis door, available finger cover is at key ring 6 and conveniently exerts circumference power, can easily open the diagnosis door. It should be noted that the square bar 17 is arranged to facilitate changing the shape of the keyhole, because some rotating shafts on the access door are square rotating shafts, and some rotating shafts are triangular rotating shafts, the square bar 17 can be conveniently replaced, in this embodiment, the square bar 17 is provided with the triangular keyhole 18, and the square bar 17 with the square keyhole can be replaced according to requirements.

In a specific embodiment, the positioning assembly comprises a jackscrew 7, a spring 8 and a steel ball 9, a step hole 15 is formed on the side wall of one end of the key rod 2 connected with the key head 1, the diameter of a large hole of the step hole 15 is larger than that of the steel ball 9, the diameter of a small hole of the step hole 15 is smaller than that of the steel ball 9, the step hole 15 is communicated with the square blind hole 4, the steel ball 9 and the spring 8 are installed in the step hole 15 through the jackscrew 7, and a limiting groove 16 matched with the steel ball 9 is formed on the side wall of one end, inserted into the square blind hole 4, of the square inner rod 5.

When the square inner rod 5 is inserted in place, the steel ball 9 is just clamped into the limiting groove 16, the square inner rod 5 cannot be separated from the steel ball 9 without external force to generate axial displacement, and when tension is applied, the steel ball 9 can compress the spring 8 and is separated from the limiting groove 16, so that the square inner rod 5 can slide along the axial direction.

Further, locating component includes locating plate 10, and the open end of square blind hole 4 has locating plate mounting groove 11, and locating plate 10 is fixed in mounting groove 11, has seted up spacing groove 12 along its length direction on the lateral wall of square interior pole 5, and the one end of locating plate 10 inserts in spacing groove 12.

For some diagnosis doors which are not easy to open, the key ring 6 may be deformed and damaged by rotating the key ring 6, so that the accommodating grooves 13 are formed in one group of opposite side walls of the square inner rod 5, and the turnover rods 14 are rotatably mounted in the accommodating grooves 13. The turning bar 14 on both sides is opened to facilitate the application of force without damaging the turning bar 14.

Furthermore, the top wall of the key head 1 is provided with a through hole 19, the through hole 19 is communicated with the mounting hole 3, the key head further comprises a pressing rod 20, the pressing rod 20 is connected with the through hole 19 in an inserting mode, one end of the pressing rod is located in the mounting hole 3, and the other end of the pressing rod penetrates out of the key head 1. The end portion of the key located in the mounting hole 3 has a large diameter to prevent the pressing lever 20 from being separated from the key head 1. A magnet 21 is provided on the top wall of the mounting hole 3.

Can make square bar 17 convenient to demolish through this structural design, when needing to change square bar 17, only need press the depression bar 20 downwards, the depression bar 20 can be ejecting with square bar 17, can conveniently dismantle, drops in order to prevent square bar 17 from mounting hole 3, sets up magnet 21 and can adsorb square bar 17 at its top.

The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.

Claims

1. The utility model provides an access door key, includes key head (1) and key pole (2), its characterized in that: the key comprises a key head (1), a mounting hole (3) is formed in one end of the key head, the other end of the key head is fixedly connected with a key rod (2), a square blind hole (4) is formed in the key rod (2) along the axial direction, the key further comprises a square inner rod (5), one end of the square inner rod (5) is connected with the square blind hole (4) in an inserting mode, and a key ring (6) is mounted at the other end of the square inner rod; one end of the key rod (2) is provided with a positioning component, and the other end of the key rod is provided with a limiting component; the mounting hole (3) is a square hole, a square rod (17) is inserted in the mounting hole (3), and a triangular key hole (18) is formed in the square rod (17) in the axial direction.

2. An access door key as claimed in claim 1, wherein: the locating component comprises a jackscrew (7), a spring (8) and a steel ball (9), a step hole (15) is formed in the side wall of one end, connected with the key head (1), of the key rod (2), the steel ball (9) and the spring (8) are installed in the step hole (15), the square inner rod (5) is inserted into the side wall of one end of the square blind hole (4), and a limiting groove (16) matched with the steel ball (9) is formed in the side wall of one end of the square blind hole (4).

3. An access door key according to claim 1 or 2, wherein: the locating component comprises a locating plate (10), the open end of the square blind hole (4) is provided with a locating plate mounting groove (11), the locating plate (10) is fixed in the mounting groove (11), a limiting groove (12) is formed in the side wall of the square inner rod (5) along the length direction of the side wall, and one end of the locating plate (10) is inserted into the limiting groove (12).

4. An access door key as claimed in claim 3, wherein: holding tank (13) have been seted up on a set of relative lateral wall of square interior pole (5), upset pole (14) are rotationally installed in holding tank (13).

5. An access door key as claimed in claim 1, wherein: the key head is characterized in that a through hole (19) is formed in the top wall of the key head (1), the through hole (19) is communicated with the mounting hole (3), the key head further comprises a pressing rod (20), the pressing rod (20) is connected with the through hole (19) in an inserting mode, one end of the pressing rod is located in the mounting hole (3), and the other end of the pressing rod penetrates out of the key head (1).

6. An access door key as claimed in claim 1, wherein: and a magnet (21) is arranged on the top wall of the mounting hole (3).