CN219490150U - Frame door fixing device - Google Patents

Abstract

The utility model provides a frame door fixing device, comprising: the positioning structure is fixed on the door frame, and the limiting structure is fixed on the door plate; when the door plate is opened to a preset position, the limiting structure moves to correspond to the positioning structure in position, and the positioning structure is matched with the limiting structure to limit, so that the opened door plate is fixed in position. The utility model can simplify the fixing parts of the frame door, reduce the cost and avoid the defects of adopting a pneumatic spring fixing mode.

Description

Frame door fixing device

Technical Field

The utility model relates to the technical field of frame door switch positioning, in particular to a frame door fixing device.

Background

Currently, in a chemical vapor deposition (Chemical Vapor Deposition, abbreviated as CVD) apparatus, the opening and closing of a frame door is usually achieved by providing a gas spring (also referred to as a gas spring), and in a specific application, the gas spring generates a corresponding torsion stress when resisting the stress generated by opening and closing the frame door, and the torsion stress acts on a door panel or a hinge, so that the door panel or the hinge is deformed or damaged under the influence of the torsion force.

In addition, the adoption of a fixing mode of limiting the switch of the frame door by the air spring also leads to complex structure of an operation part and high manufacturing cost.

Disclosure of Invention

In view of the above problems, the present utility model aims to provide a frame door fixing device, so as to solve the problems of complex structure, high cost, easy variability and damage existing in the prior art adopting a gas spring.

The utility model provides a frame door fixing device, comprising: the positioning structure is fixed on the door frame, and the limiting structure is fixed on the door plate; when the door plate is opened to a preset position, the limiting structure moves to correspond to the positioning structure in position, and the positioning structure is matched with the limiting structure to limit, so that the opened door plate is fixed in position.

It can be known that, this structure through set up location structure and limit structure respectively on door frame and door plant, can be when the door plant is opened to preset position, through the cooperation of location combination and limit structure, realize the fixed in position to the door plant after opening, and can not produce torsional stress to door plant or hinge, simple structure, with low costs, convenient to use operation.

In addition, the optional structure is that the positioning structure comprises a fixing part, a positioning part extending from the fixing part, a positioning boss positioned on the positioning part and a positioning hole arranged on the positioning boss; at least two fixing holes are formed in the fixing portion, the fixing portion is fixed to the upper end face of the door frame through fixing bolts or pins, and the positioning portion extends out of the edge of the door frame.

In addition, an optional structure is that a limiting step is arranged between the fixing part and the positioning part; two sides of the limit step are respectively attached to two sides of the door frame, which are perpendicular to each other.

In addition, the optional structure is that the fixing part, the positioning part and the positioning boss are integrated into one piece.

In addition, the optional structure is that the limiting structure comprises a limiting part fixed on the upper end surface of the door plate and extending from the upper end surface of the door plate, an elastic piece embedded in the limiting part and a limiting ball; under the action of the elastic piece, at least part of the limiting ball protrudes from the port of the limiting part in a natural state.

In addition, an optional structure is that a limiting channel is arranged in the limiting part; the diameter size of the limiting channel is larger than that of the limiting ball, and the size of the port of the limiting channel is smaller than that of the limiting ball.

In addition, an optional structure is that a first inclined chamfer is arranged on the edge of the positioning boss, and a second inclined chamfer is arranged on the inner circumference of the positioning hole; the limiting ball extrudes the elastic piece and sequentially enters the positioning hole through the first inclined chamfer and the second inclined chamfer, and the limiting ball is limited in the positioning hole under the action of the elastic piece.

It can be seen that this structure can be when exerting suitable effort to the door plant for spacing ball can be in the locating hole under the effect of elastic component, perhaps remove from the locating hole, and then realize carrying out the effect of location and releasing the location to the door plant.

In addition, an optional structure is that the second inclined chamfer is an arc chamfer matched with the limit ball.

In addition, an optional structure is that a magnetic piece is arranged in the positioning hole; the limit ball is a magnetic attraction piece attracted with the magnetic piece.

In addition, the optional structure is that at least two positioning bosses with different positions are arranged on the positioning part; the door plant is under different opening angles, and limit structure cooperatees with different location bosss respectively.

Utilize above-mentioned frame door fixing device, through limit structure and location structure's cooperation, realize opening the location of door plant, specific door plant location position accessible adjustment location structure's position or size are realized, can realize opening the location to the frame door through simplifying and simple and easy operating means, avoid the torsional stress that pneumatic spring produced to act on door plant or hinge on, simple structure, with low costs, and installation and convenient operation.

To the accomplishment of the foregoing and related ends, one or more aspects of the utility model comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the utility model. These aspects are indicative, however, of but a few of the various ways in which the principles of the utility model may be employed. Furthermore, the utility model is intended to include all such aspects and their equivalents.

Drawings

Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 is a top view of a frame door securing device according to an embodiment of the utility model;

FIG. 2 is an open schematic view of a frame door securing apparatus according to an embodiment of the present utility model;

FIG. 3 is a perspective view of a frame door securing apparatus according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a positioning structure according to an embodiment of the present utility model;

FIG. 5 is a first state diagram of a positioning structure and a stop according to an embodiment of the present utility model;

FIG. 6 is a second state diagram of a positioning structure and a stop according to an embodiment of the present utility model;

fig. 7 is a third state diagram of a positioning structure and a stop according to an embodiment of the present utility model.

Wherein reference numerals include: the door frame comprises a limiting structure 1, a positioning block 11, a limiting part 12, an elastic piece 13, a limiting ball 14, a positioning structure 2, a positioning boss 21, a positioning part 22, a positioning hole 23, a fixing part 24, a fixing hole 25, a door plate 3, a bolt 4 and a door frame 5.

The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. are directional or positional relationships indicated below as based on the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In order to solve the problems that the existing scheme of opening and positioning a frame door through a gas spring has high cost, and the torsion stress generated by the gas spring acts on a door plate and a hinge to cause deformation of the frame door, the utility model provides the frame door fixing device.

For a detailed description of the structure of the frame door fixing device of the present utility model, specific embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 show schematic structures of the frame door fixing device according to the present utility model after the door panel is closed and opened, respectively.

As shown in fig. 1 and fig. 2 together, the frame door fixing device according to the embodiment of the present utility model includes a positioning structure 2 fixed on a door frame 5 and a limiting structure 1 fixed on a door panel 3 and movable with the door panel 3; when the door plate 3 is opened and drives the limiting structure 1 to correspond to the positioning structure 2 in position, the positioning structure 2 can form temporary limiting fit with the limiting structure 1, so that the opened door plate 3 is fixed in position, and when proper acting force is applied to the door plate 3, the temporary limiting can be released, so that the effect of opening and positioning of the frame door is realized.

In particular, fig. 3 shows a partial perspective schematic structure of a frame door fixing device according to an embodiment of the present utility model, and fig. 4 shows a schematic view of a positioning structure according to an embodiment of the present utility model.

As shown in conjunction with fig. 1 to 4, the positioning structure 2 in the embodiment of the present utility model includes a fixing portion 24, a positioning portion 22 extending from the fixing portion 24, a positioning boss 21 located on the positioning portion 22, and a positioning hole 23 disposed on the positioning boss 21; wherein, be provided with two at least fixed orificess 25 on fixed part 24, through fixing bolt 4 or pin etc. with fixed orificess 25 cooperation, can fix fixed part 24 at the up end of door frame 5 to make locating part 22 extend from door frame 5 edge, so as to combine with the limit structure who moves to its below.

In order to ensure the position accuracy of the positioning structure 2 during installation and reduce the complexity of the installation operation, a limiting step may be further disposed between the fixing portion 24 and the positioning portion 22, and in the installation process, two mutually perpendicular sides of the limiting step are respectively attached to two mutually perpendicular sides of the door frame 5; in other words, by setting the limiting step, the fixing portion 24 can be bonded and limited on the upper end face or the lower end face of the door frame 5, and the positioning portion 22 is bonded with the side face of the door frame 5, so that the limiting step is set to limit and fix the positioning structure 2 and the door frame 5 at two mutually perpendicular angles.

In order to ensure the structural strength of the positioning structure 2, the fixing portion 24, the positioning portion 22 and the positioning boss 21 may be formed integrally, and the fixing portion 24 may be preferably disposed on the upper end surface of the door frame 5, so as to prevent the blocking effect on the opening and closing of the door panel 3 below; in addition, an avoidance structure may be provided on the lower end surface of the door frame 5, and the fixing portion 24 may be provided in the avoidance structure, so that the limit fixation between the positioning structure 2 and the door frame 5 may be achieved.

In one embodiment of the present utility model, the limiting structure 1 includes a limiting portion 12 fixed on the upper end surface of the door panel 3 and extending from the upper end surface of the door panel 3, an elastic member 13 embedded in the limiting portion 12, and a limiting ball 14 embedded in the limiting portion 12; in the process of opening the door panel 3, the limiting structure 1 can move along with the opening and closing of the door panel 3, and in a natural state, the limiting ball 14 can protrude from the port of the limiting part 12 by at least part of the structure under the action of the elastic piece 13 so as to form a positioning relationship with the positioning hole 23 in the positioning structure 2.

Specifically, because the thickness of the door plate 3 is limited, in order to ensure the structural strength of the limiting structure 1 in the setting process and prevent the limiting structure 1 from loosening or tilting after being collided with the positioning structure for many times in the application process, a positioning block 11 can be further arranged on the inner side of the door plate 3, the positioning block 11 is fixedly connected with the door plate 3, and the limiting structure 1 is firmly limited in the door plate 3 through the positioning block 11.

The limiting structure 1 may be disposed on an upper end surface of the door panel 3, and extend outwards from the upper end surface of the door panel 3, where the setting height of the limiting structure 1 and the setting height of the positioning boss 21 can enable the limiting ball 14 located in the limiting portion 12 to be clamped in the positioning hole 23 of the positioning boss 21 under the action of the elastic member when the positions of the limiting structure 1 and the positioning boss 21 are vertically corresponding, and then the positioning of the opened door panel 3 is achieved through the cooperation of the limiting ball 14 and the positioning hole 23.

Wherein, be provided with spacing passageway or spacing cavity in spacing portion 12, the one end of spacing passageway forms open port, and elastic component 13 sets up in spacing passageway, and spacing ball 14 is spacing between elastic component 13 and port to in order to make spacing ball 14 can be under the action of external force, extrude elastic component 13 and have certain stroke in spacing passageway, can set the diameter size of spacing passageway slightly to be greater than the diameter size of spacing ball 14, and the diameter size of spacing ball 14 is less than to the size of spacing passageway's port.

It is known that, in order to ensure that the limiting ball 14 has a certain limiting strength when being combined with the positioning hole 23, the elastic member 13 needs to be arranged in the limiting channel in a compressed state, and the elastic force of the elastic member 13 to the limiting ball 14 can directly influence the force required to be applied externally when the limiting ball 14 is combined with or separated from the positioning hole 23; therefore, the spring force of the elastic member 13 to the limit ball 14 can be adjusted to adjust the force required to be applied by the door panel 3 during positioning and releasing.

In the frame door fixing device of the present utility model, in order to facilitate the combination of the spacing structure 1 of the frame door and the stationary positioning structure 2 on the door frame 5 when the user opens the frame door, or in order to facilitate the separation of the spacing structure 1 and the positioning structure 2 when the user closes the frame door, the inner and outer edges of the positioning boss 21 may be provided with chamfers having a certain inclination angle, that is, a first inclination chamfer is provided on the outer edge of the positioning boss 21, a second inclination chamfer is provided on the inner circumference of the positioning hole 23, and a buffer contact surface is formed by the first inclination chamfer and the second inclination chamfer, so that the spacing ball 14 can conveniently enter the positioning hole 23 or be removed from the positioning hole 23.

Specifically, fig. 5 to 7 show positional relationship diagrams of the positioning structure 2 and the stopper in different states, respectively, according to an embodiment of the present utility model.

As shown in fig. 1 to 7 together, in the application process of the frame door fixing device, if the opened door panel 3 needs to be positioned, when the door panel 3 moves to a position where the limiting structure 1 contacts with the positioning structure 2 (as shown in fig. 5), further door opening action can enable the limiting ball 14 to press the elastic member 13 in the limiting channel (as shown in fig. 6), and enable the limiting ball 14 to enter the positioning hole 23 after sequentially passing through the first inclined chamfer and the second inclined chamfer (as shown in fig. 7), and then the limiting ball 14 is limited in the positioning hole 23 under the action of the elastic member 13 again. If the door plate 3 with the large opening is required to be closed, when the limiting structure 1 is separated from the positioning result, the action of closing the door can enable the limiting ball 14 to squeeze the elastic piece 13 in the limiting channel, and the elastic piece moves from the positioning hole 23 after sequentially passing through the second inclination angle and the first inclination angle, so as to contact the limiting state.

It should be noted that, the second inclined chamfer on the positioning hole 23 in the positioning boss 21 may be an arc chamfer matching with the size of the limiting ball 14, and the size of the positioning hole 23 may be slightly larger than the size of the corresponding part of the limiting ball 14; in addition, the positioning hole 23 may be directly formed in a spherical hole structure corresponding to the stopper ball 14.

In addition, in order to ensure the positioning strength of the positioning structure 2 and the limiting structure 1, a magnetic piece can be further arranged in the positioning hole 23, the limiting ball 14 adopts a magnetic piece capable of absorbing sound with the magnetic piece, and the limiting ball 14 and the positioning hole 23 are subjected to extrusion limiting by the elastic piece 13 in the matching process, and can be further subjected to auxiliary positioning by magnetic force between the magnetic piece and the magnetic piece, so that the limiting ball 14 is prevented from slipping from the positioning hole 23.

It should be noted that, the positioning position of the door panel 3 of the frame door after opening, that is, the positioning angle of the door panel 3 is related to the relative position between the limiting structure 1 and the positioning structure 2 and the length of the positioning structure 2 in the closed state of the door panel, so that the setting position and the setting size of the specific related structure can be flexibly set and adjusted according to the size of the door panel 3 and the opening angle of the door panel 3.

In addition, in the frame door fixing device of this application, still can set up the location boss that two at least positions are different on location portion 22, all set up corresponding locating hole in each location boss, the door plant is under the angle of opening of difference, limit structure cooperate with the location boss of different positions department respectively, and then can reach the purpose that all can fix a position the door plant under a plurality of angles of opening.

It should be noted that, the setting positions of the positioning structure and the limiting structure can also be exchanged, i.e. the positioning structure is arranged on the door plate, the limiting structure is arranged on the door frame, and the positioning structure is moved to complete the matching limiting with the fixed limiting structure.

The utility model also provides a semiconductor processing device such as chemical vapor deposition equipment and the like, and particularly the semiconductor processing device can comprise the frame door fixing device, and the semiconductor processing device can be arranged between a door plate and a door frame of the chemical vapor deposition equipment, and can realize the positioning operation of opening the door plate through the frame door fixing device.

Utilize above-mentioned frame door fixing device, can be through setting up the limit structure on the door plant and setting up the cooperation of location structure on the door frame, realize opening the location of door plant, specific door plant location position accessible adjustment location structure and limit structure's setting position and size realize, accessible simplification and simple and easy operating means realize opening the location effect to the frame door, avoid adopting the torsion stress that pneumatic spring produced to act on door plant or hinge on, not only simple structure, with low costs, and installation and convenient to use.

The frame door fixing apparatus according to the present utility model is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the frame door securing device as set forth above without departing from the spirit of the utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. A frame door securing device, comprising: the positioning structure is fixed on the door frame, and the limiting structure is fixed on the door plate; wherein, the liquid crystal display device comprises a liquid crystal display device,

when the door plate is opened to a preset position, the limiting structure moves to correspond to the positioning structure in position, and the positioning structure is in matched limiting with the limiting structure so as to fix the position of the opened door plate.

2. The frame door securing apparatus as claimed in claim 1, wherein,

the positioning structure comprises a fixing part, a positioning part extending from the fixing part, a positioning boss positioned on the positioning part and a positioning hole arranged on the positioning boss;

the fixing part is provided with at least two fixing holes, the fixing part is fixed on the upper end face of the door frame through fixing bolts or pins, and the positioning part extends out from the edge of the door frame.

3. A frame door securing apparatus as claimed in claim 2, wherein,

a limiting step is arranged between the fixing part and the positioning part;

two sides of the limit step are respectively attached to two sides of the door frame, which are perpendicular to each other.

4. A frame door securing apparatus as claimed in claim 2, wherein,

the fixing part, the positioning part and the positioning boss are of an integrated structure.

5. A frame door securing apparatus as claimed in claim 2, wherein,

the limiting structure comprises a limiting part fixed on the upper end surface of the door plate and extending from the upper end surface of the door plate, an elastic piece embedded in the limiting part and a limiting ball;

in a natural state, at least part of the limiting ball protrudes from the port of the limiting part under the action of the elastic piece.

6. The frame door fixing apparatus of claim 5,

a limiting channel is arranged in the limiting part;

the diameter size of the limiting channel is larger than that of the limiting ball, and the size of a port of the limiting channel is smaller than that of the limiting ball.

7. The frame door securing apparatus as claimed in claim 6, wherein,

a first inclined chamfer is arranged on the edge of the positioning boss, and a second inclined chamfer is arranged on the inner circumference of the positioning hole;

the limiting ball extrudes the elastic piece and sequentially enters the positioning hole through the first inclined chamfer and the second inclined chamfer, and the limiting ball is limited in the positioning hole under the action of the elastic piece.

8. The frame door fixing apparatus of claim 7,

the second inclined chamfer is an arc chamfer matched with the limit ball.

9. The frame door securing apparatus as claimed in claim 6, wherein,

a magnetic piece is arranged in the positioning hole;

the limit ball is a magnetic attraction piece attracted with the magnetic piece.

10. A frame door securing apparatus as claimed in claim 2, wherein,

at least two positioning bosses with different positions are arranged on the positioning part;

the door plate is under different opening angles, and the limit structure is matched with different positioning bosses respectively.