CN216788159U

CN216788159U - Mechanical locking shielding door

Info

Publication number: CN216788159U
Application number: CN202123205165.7U
Authority: CN
Inventors: 王瑞国
Original assignee: Dongguan Xinju Electronic Equipment Co ltd
Current assignee: Dongguan Xinju Electronic Equipment Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-21
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a mechanically locked shield door, which comprises a shield door body and a door frame, wherein one side of the door frame is rotatably connected with one side of the shield door body through a hinge assembly, a handle assembly is installed on the shield door body and is connected with a locking assembly, the locking assembly comprises a connecting rod, one end of the connecting rod is movably connected with the handle assembly, the other end of the connecting rod is movably connected with a transmission block, a rotating shaft is fixedly arranged on the transmission block, the rotating shaft penetrates through the side surface of the shield door body and is connected with a clamping hook, the clamping hook can be clamped with a clamping piece, the clamping piece is fixedly arranged on the other side of the door frame, and through linkage matching of the handle assembly, the locking assembly and the clamping piece, the mechanical structure locking is realized, an electric part is not needed, and electromagnetic interference can be effectively reduced.

Description

Mechanical locking shielding door

Technical Field

The utility model belongs to the technical field of shield doors, and particularly relates to a mechanical locking shield door.

Background

At present, shielding doors used in laboratories are provided with locking structures for sealing, but most of the shielding doors adopt an electric locking mode, and electromagnetic interference can be generated by using electronic components to influence experimental data, so that a mechanical locking structure is provided;

in addition, because the screen door is very heavy, the friction force received by the inside of the hinge is huge when the screen door is opened and closed, so that the screen door can be opened and closed by very large force, the screen door is inconvenient for people to use, and is influenced by various factors when being installed, so that the screen door and the doorframe have small dislocation, and the existing hinge has no adjusting function, so the screen door needs to be installed after being detached again, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a mechanically locking shielded door, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a mechanical closure shield door, includes shield door body and door frame, door frame one side is passed through hinge assembly and is connected with shield door body one side rotation, install the handle subassembly on the shield door body, the handle subassembly is connected with the closure subassembly, the closure subassembly includes the connecting rod, connecting rod one end and handle subassembly swing joint, connecting rod other end swing joint has the transmission piece, the pivot has set firmly on the transmission piece, the pivot runs through shield door body side and is connected with the pothook, the pothook can with joint spare joint, the joint spare sets firmly the opposite side at the door frame.

Further technical scheme, the pothook surface is equipped with open-ended arc recess, and during the locking, along with the rotation of pothook makes joint spare get into the recess from the opening gradually and forms the joint.

In a further technical scheme, a convex block is arranged at the position, located at the opening of the groove, of the clamping hook, and the convex block can abut against the door frame.

Further technical scheme, joint spare is including installing the fixing base on the door frame, the fixing base is close to pothook one side and is equipped with joint portion, be equipped with the gyro wheel in the joint portion, the gyro wheel can offset with the recess inner wall.

According to the technical scheme, the handle assembly comprises a shaft core, a mounting seat penetrates through the shaft core, the mounting seat is in threaded fit with the shaft core, handles are arranged at two ends of the shaft core, a connecting plate is further arranged on the shaft core, and the connecting plate is movably connected with the connecting rod.

According to the technical scheme, an end cover matched with the mounting seat is fixedly arranged on the shaft core, at least one flange arranged around the shaft core is arranged on one surface, close to the mounting seat, of the end cover, a groove matched with the flange is formed in the mounting seat, and antimagnetic materials are arranged on the inner wall of the groove.

According to a further technical scheme, the hinge assembly comprises a first hinge piece and a second hinge piece, a first hinge portion is arranged on the first hinge piece, a second hinge portion hinged to the first hinge portion is arranged on the second hinge piece, and a bearing is arranged between the first hinge portion and the second hinge portion.

According to the technical scheme, a placing position for protecting the bearing is arranged between the first hinge part and the second hinge part, one side of the bearing abuts against the first hinge part, and the other side of the bearing abuts against the second hinge part.

According to a further technical scheme, gaps exist between two ends of the first hinge part and two ends of the second hinge part, and an adjusting structure for adjusting the gaps is arranged at the second hinge part.

According to a further technical scheme, the adjusting structure comprises at least one screw hole, the screw hole is formed in the second hinge portion, a screw is connected with the screw in a threaded mode, and the screw can abut against the bearing after entering a certain position of the screw hole.

The utility model has the beneficial effects that:

the utility model provides a mechanical locking shield door, which realizes the locking of a mechanical structure through the linkage matching of a handle component, a locking component and a clamping piece, does not need to use an electric part, can effectively reduce electromagnetic interference, is provided with a convex block in a clamping hook, starts to be propped against a doorframe again from the edge of the convex block when the shield door is opened, and pushes out the shield door from the doorframe along with the continuous rotation of the clamping hook, so that the shield door is separated from the doorframe, the force for pushing the shield door open is saved, and the mechanical locking shield door is convenient for people to use;

in addition, friction is reduced by arranging the bearing between the first hinge sheet and the second hinge sheet, so that a user can push the shielding door open or close the shielding door without needing great strength, in addition, the gap between the first hinge sheet and the second hinge sheet can be slightly adjusted by arranging the adjusting structure, the first hinge sheet and the second hinge sheet do not need to be dismounted again, and the use of people is facilitated.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1: the structure of the utility model.

FIG. 2: the enlarged view of part A of the present invention.

FIG. 3: the side view structure of the utility model.

FIG. 4: the handle assembly of the present invention is configured as drawing one.

FIG. 5: the structure of the handle assembly of the utility model is II.

FIG. 6: hinge assembly of the present invention is a side view.

FIG. 7: the hinge assembly of the utility model is shown in a sectional view A-A.

FIG. 8: the hinge assembly of the present invention is exploded.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In one embodiment, as shown in FIGS. 1-3;

when the shield door body 1 needs to be locked, the connecting rod 51 is driven to move upwards (or downwards, and the specific setting directions are different), through the rotation of the handle assembly 4, the transmission block 52 can be driven to rotate by taking the rotating shaft 53 as the center through the movement of the connecting rod 51, and the movement of the transmission block 52 synchronously drives the hook 54 to rotate through the rotating shaft 53, and after the hook 54 rotates to a certain position, the hook 54 can be clamped and fixed with the clamping piece 55 fixedly arranged on the door frame 2, namely, the locking of the shield door body 1 is completed, in the embodiment, the bearing 35 can be arranged between the rotating shaft 53 and the shield door body 1, the rotating friction force of the bearing 35 is reduced, the locking and opening actions are smoother, and the force for rotating the handle assembly 4 by people is saved; when the shielding needs to be opened, the handle assembly 4 is reset, namely the handle assembly 4 is rotated, and the shielding door body 1 can be opened by referring to the steps, so that the shielding door is very convenient to use; the utility model adopts a pure mechanical structure for locking, does not need to use an electric component, and can effectively reduce electromagnetic interference;

in one embodiment, when the shielding door body 1 is not locked, the shielding door body 1 is attached to the door frame 2, the hook 54 is gradually close to the clip 55 by rotating the handle assembly 4, and finally the clip 55 enters the arc-shaped groove 541 formed in the hook 54, wherein the clip 55 is on the door frame 2 of the fixing seat 551, and the hook 54 is installed at a fixed position of the shielding door body 1, along with the rotation of the hook 54, the clip 55 extends along the track of the arc-shaped groove 541, so that the distance between the door frame 2 and the shielding door body 1 is gradually shortened, and the door frame 2 and the shielding door body 1 are already attached, that is, the door frame 2 and the shielding door body 1 are mutually extruded, so that the locking effect is achieved;

in another embodiment, when the clip 55 is located at the opening and does not enter the groove, the door frame 2 and the shield door body 1 are not attached, and a gap is formed, the clamping piece 55 gradually enters the groove along with the action of the locking component 5 driven by the handle component 4, so that the door frame 2 and the shield door body 1 are gradually attached and locked, when the shield door body 1 is opened, the clamping piece 55 still moves along the groove track to be separated from the clamping hook 54, in the process, the shielding door body 1 is gradually separated from the door frame 2, namely when the rotating handle assembly 4 is unlocked, the shielding door body 1 can be separated from the door frame 2 at the same time, the design can reduce the initial force of pushing the shielding door body 1 by a user, under the prerequisite that can not influence shielding effect, saved the strength that pushes away shield door body 1, made things convenient for people's use.

The two embodiments can also be used in combination with the bump 542, when the clip 55 is located at the opening and does not enter the groove, the bump 542 abuts against the door frame 2, so that the door frame 2 does not abut against the shield door body 1, and there is a gap, as the handle assembly 4 drives the locking assembly 5 to act, the clip 55 gradually enters the groove, but the door frame 2 and the shield door body 1 gradually abut against and lock, when the shield door body 1 is opened, the clip 55 still acts along the groove track and separates from the clip 54, no matter whether the groove has the effect of pushing the shield door body 1 open, after the clip 54 rotates to a certain position, the edge of the bump 542 will abut against the door frame 2 again, as the clip 54 continues to rotate, the bump 542 will eject the shield door body 1 out of the door frame 2 again, so that the shield door body 1 is separated from the door frame 2, the strength for pushing the shielding door body 1 open is saved, and the use of people is facilitated.

In this embodiment, with the fixing base 551 of installing on door frame 2 of joint spare 55 split to and with the joint portion 552 of recess joint, through be equipped with gyro wheel 553 on joint portion 552, gyro wheel 553 can offset with the recess inner wall, thereby can reduce frictional force.

Embodiment two, as shown in fig. 4 and 5;

the handle assembly 4 also needs to have a corresponding structure for matching the action of the locking assembly 5, wherein the connecting rod 51 in the locking assembly 5 is a rigid component, and when two ends of the connecting rod 51 are not positioned on a plane, the driving block 52 cannot be driven to rotate;

more specifically, the mounting seat 42 is fixedly arranged on the shield door body 1, the shaft core 41 is connected with the mounting seat 42 through threads, when the shield door is used, the handle 43 rotates the shaft core 41 and simultaneously drives the connecting plate 44 to rotate, the connecting plate 44 also synchronously drives the connecting rod 51 to act, the number of turns of the threads corresponds to the rising amount of the end part of the connecting rod 51, so that the extending position of the shaft core 41 can be accurately controlled, an additional limiting structure is not required to be added, and the shield door is relatively simple and easy to manufacture;

in addition, in order to enhance the shielding effect, a antimagnetic structure is further arranged between the shaft core 41 and the mounting seat 42, the shielding door body 1 is in a normal state when being closed, because the end cover 45 is fixed on the shaft core 41, the mounting seat 42 is abutted against the end cover 45 after extending into a certain position of the shaft core 41, at this time, the flange 46 arranged on the end cover 45 also enters into the groove 47 of the mounting seat 42, so that the end cover 45 and the mounting seat 42 form a whole, and after contacting the door core, an external electromagnetic signal is sequentially transmitted to the shaft core 41, the end cover 45 and the mounting seat 42, and finally, the electromagnetic signal is shielded through an antimagnetic material arranged in the groove 47, thereby achieving the purpose of shielding the electromagnetic signal, and the commonly used antimagnetic material is a copper mesh.

Embodiment three, shown in fig. 6-8;

after the shielding door body 1 is installed, the hinge assembly 3 is used as a middle part of the door frame 2 and the shielding door body 1 to bear force, when the shielding door is used, the shielding door body 1 is opened or closed, the hinge piece I31 and the hinge piece II 33 rotate relatively through the hinge piece I32 and the hinge piece II 34, and because the bearing 35 is arranged between the hinge piece I32 and the hinge piece II 34, the gravity of the shielding door body 1 can be applied to the bearing 35 at the moment, so that when the shielding door rotates, the bearing 35 can rub the friction between the hinge piece I32 and the hinge piece II 34 to a great extent, a user can open or close the shielding door body 1 without strong strength, and the shielding door is convenient for people to use;

to explain further, the bearing 35 used herein is a plane bearing 35, the plane bearing 35 is a component composed of a plane retainer assembly with needle roller or cylindrical roller or steel ball and a plane washer, and is held and guided by the plane retainer, and the hinge plate one 31 also rotates in a plane, and the plane main bearing 35 is used to better bear force and make friction smaller and the rotation smoother.

In the present embodiment, three types of installation methods are used for the bearing 35, and the following description will be made of different installation methods:

1. the two ends of the first hinge part 32 are respectively provided with a placing position 36, the bearing 35 is placed in the placing positions 36, the bearing 35 can be protected through the placing positions 36, and the function of the bearing 35 is the same as that of the third embodiment;

2. the two ends of the second hinge part 34 are provided with placing positions 36, the bearing 35 is placed in the placing positions 36, and similarly, the bearing 35 is protected through the placing positions 36;

3. two ends of the first hinging part 32 are provided with a first placing position 36, a second placing position 36 corresponding to the first placing position 36 is arranged on the second hinging part 34, bearings 35 are arranged on the first placing position 36 and the second placing position 36, the two bearings 35 are abutted, the gravity of the shielding door body 1 can be applied to the contact surfaces of the two bearings 35, the bearings 35 have the effect of reducing friction, and the two bearings 35 are stacked to further reduce friction so that the action is smoother.

In this embodiment, a gap exists between the first hinge part 32 and the second hinge part 34, and when the installation is not in place, the gap between the first hinge part 32 and the second hinge part 34 can be adjusted by the adjusting structure 37, for example, the shielding door body 1 is installed on the door frame 2, the first hinge piece 31 can be adjusted downward by the adjusting structure 37, so that the shielding door body 1 and the door frame 2 are aligned, and the bearing 35 will abut against the adjusting structure 37, so that the normal use of the bearing 35 will not be affected;

more specifically, the adjusting structure 37 includes at least one screw hole 371 disposed at the hinge portion two 34, and in the present embodiment, the number of the screw holes 371 is two, and in use, by adjusting the position of the screw 372 in the screw hole 371, the end of the screw 372 is abutted against the side of the bearing 35 close to the hinge portion two 34, for example: the screw 372 is inserted into the screw hole 371 continuously, so that the gap between the first hinge part 32 and the second hinge part 34 near one end of the adjusting structure 37 is gradually increased, that is, the shielding door body 1 is adjusted upwards, otherwise, the shielding door body 1 is adjusted downwards;

certainly, both ends of the second hinge portion 34 can be provided with the adjusting structure 37, when the adjusting structure is used, the screw 372 located in the adjusting structure 37 at one end of the second hinge portion 34 gradually extends into the screw hole 371, and the screw 372 of the adjusting structure 37 at the other end of the second hinge portion 34 gradually exits from the screw hole 371, so that the screw 372 can be abutted against the bearings 35 at both ends in a matched manner, the structure is more compact, the number of the screw holes 371 is more, the number of the screws 372 is more, the stress of the bearings 35 is more uniform, and the screw 372 can use the flat-head screw 372.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. The utility model provides a mechanical closure shield door, includes shield door body (1) and door frame (2), its characterized in that: door frame (2) one side is passed through hinge subassembly (3) and is connected with shield door body (1) one side rotation, install handle subassembly (4) on shield door body (1), handle subassembly (4) are connected with closure subassembly (5), closure subassembly (5) are including connecting rod (51), connecting rod (51) one end and handle subassembly (4) swing joint, connecting rod (51) other end swing joint has transmission piece (52), pivot (53) have set firmly on transmission piece (52), pivot (53) run through shield door body (1) side and are connected with pothook (54), pothook (54) can with joint spare (55) joint, joint spare (55) set firmly the opposite side at door frame (2).

2. A mechanically locking shield door according to claim 1, wherein: the surface of the clamping hook (54) is provided with an arc-shaped groove (541) with an opening, and when the locking mechanism is locked, the clamping piece (55) gradually enters the groove from the opening along with the rotation of the clamping hook (54) to form clamping.

3. A mechanically locking shield door according to claim 2, wherein: a convex block (542) is arranged at the position of the opening of the groove of the clamping hook (54), and the convex block (542) can be abutted against the door frame (2).

4. A mechanically locking shield door according to claim 3, wherein: the clamping piece (55) comprises a fixed seat (551) installed on the door frame (2), a clamping portion (552) is arranged on one side, close to the clamping hook (54), of the fixed seat (551), a roller (553) is arranged on the clamping portion (552), and the roller (553) can abut against the inner wall of the groove.

5. A mechanically locking screen door according to any one of claims 1 to 4, wherein: handle subassembly (4) are including axle core (41), run through on axle core (41) and be equipped with mount pad (42), mount pad (42) and axle core (41) screw-thread fit, axle core (41) both ends are equipped with handle (43), still be equipped with connecting plate (44) on axle core (41), connecting plate (44) and connecting rod (51) swing joint.

6. A mechanically locking shield door according to claim 5, wherein: the shaft core (41) is fixedly provided with an end cover (45) matched with the mounting seat (42), one side, close to the mounting seat (42), of the end cover (45) is provided with at least one flange (46) arranged around the shaft core (41), the mounting seat (42) is provided with a groove (47) matched with the flange (46), and the inner wall of the groove (47) is provided with antimagnetic materials.

7. A mechanically locking barrier door in accordance with claim 1, wherein: the hinge assembly (3) comprises a first hinge piece (31) and a second hinge piece (33), a first hinge portion (32) is arranged on the first hinge piece (31), a second hinge portion (34) hinged to the first hinge portion (32) is arranged on the second hinge piece (33), and a bearing (35) is arranged between the first hinge portion (32) and the second hinge portion (34).

8. A mechanically locking shield door according to claim 7, wherein: a placing position (36) for protecting the bearing (35) is arranged between the first hinge part (32) and the second hinge part (34), one side of the bearing (35) is abutted against the first hinge part (32), and the other side of the bearing is abutted against the second hinge part (34).

9. A mechanically locking shield door according to claim 8, wherein: gaps are reserved between two ends of the first hinge part (32) and two ends of the second hinge part (34), and an adjusting structure (37) for adjusting the gaps is arranged at the second hinge part (34).

10. A mechanically locking shield door according to claim 9, wherein: the adjusting structure (37) comprises at least one screw hole (371), the screw hole (371) is formed in the hinge portion II (34), a screw (372) is connected with the screw in a threaded mode, and the screw (372) can abut against the bearing (35) after entering a certain position of the screw hole (371).