Knob structure with self-locking function

Abstract

The utility model discloses a knob structure with a self-locking function. The problem that an existing knob is not provided with a self-locking structure is mainly solved. The rotary knob is characterized by further comprising a boss (11) which is arranged on the panel, a plurality of blocking grooves (12) are formed in the inner wall of the boss, and the rotary knob is rotatably connected with the boss; the sliding chute (21) is arranged on the knob; the top bead (22) is arranged on the knob and is supported by an elastic piece (23), so that the top bead (22) is partially arranged in the sliding chute; the locking plate (3) is in sliding fit with the sliding groove, a containing groove (31) is formed in the outer wall of the locking plate, the locking plate comprises a locking position and an unlocking position, the top bead abuts against the outer wall of the locking plate, part of the locking plate is arranged in the blocking groove, the top bead is arranged in the containing groove, and the locking plate leaves the blocking groove. According to the knob structure with the self-locking function provided by the utility model, the self-locking function of the knob is realized by adopting an outward pulling mode, and unnecessary rotation is prevented.

Description

Technical Field

[0001] This utility model relates to the field of explosion-proof equipment, specifically to a knob structure with a self-locking function. Background Technology

[0002] Knobs are frequently used components in the field of explosion protection. Currently, knobs do not have a locking mechanism. When the housing is opened for inspection and maintenance, a padlock is required to lock it, which is very cumbersome. If a padlock is not used, the knob is prone to rotating freely, causing misalignment. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a knob structure with a self-locking function, which mainly solves the problem that current knobs do not have a self-locking structure.

[0004] The technical solution of this utility model is as follows:

[0005] A self-locking knob structure includes a panel and a knob, and further includes a boss on the panel with several grooves on its inner wall, the knob being rotatably connected to the boss; a slide groove on the knob; a top ball on the knob, supported by an elastic element so that it is partially located within the slide groove; and a locking plate that slides with the slide groove, its outer wall having a receiving groove. The locking plate includes a locking position where the top ball abuts against the outer wall of the locking plate and part of the locking plate is located within the groove, and an unlocking position where the top ball is located within the receiving groove and the locking plate is removed from the groove.

[0006] It also includes a tube body, in which the elastic element is installed, and part of the top bead is installed.

[0007] The knob is provided with a mounting groove for installing the tube body, and the mounting groove is connected to the slide groove.

[0008] The knob has a first locking hole, and the lock plate has a second locking hole. When the lock plate is in the locked position, the first locking hole and the second locking hole are aligned.

[0009] The diameter of the first keyhole and the second keyhole is 5~8mm.

[0010] The baffle is provided in multiple places.

[0011] The angle between adjacent retaining grooves is 20° to 60°.

[0012] The elastic element is a spring.

[0013] The knob is made of zinc alloy or stainless steel.

[0014] The beneficial effects of this utility model are: This utility model provides a knob structure with a self-locking function, which uses an external pull to achieve the self-locking function of the knob and prevents unnecessary rotation. Attached Figure Description

[0015] Figure 1 This is an exploded view of one embodiment of the present invention.

[0016] Figure 2 This is a perspective view of the panel according to one embodiment of the present invention.

[0017] Figure 3 This is a cross-sectional schematic diagram of one embodiment of the present invention.

[0018] Figure 4 This is a cross-sectional schematic diagram of one embodiment of the present invention. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings. A knob structure with a self-locking function includes a panel 1 and a knob 2, and also includes a boss 11 disposed on the panel, the inner wall of which is provided with a plurality of retaining grooves 12. The knob is rotatably connected to the boss; a sliding groove 21 is disposed on the knob; a top bead 22 is disposed on the knob and is supported by an elastic member 23 so that it is partially disposed in the sliding groove; a locking piece 3 is slidably engaged with the sliding groove, the outer wall of which is provided with a receiving groove 31. The locking piece includes a locking position in which the top bead abuts against the outer wall of the locking piece and part of the locking piece is disposed in the retaining groove, and an unlocking position in which the top bead is disposed in the receiving groove and the locking piece is away from the retaining groove. When in the unlocked position, the top ball is located in the receiving groove, and the locking plate is not in the retaining groove, allowing the knob to rotate freely. When in the locked position, the top ball is pushed out by the elastic element, forming contact with the bottom of the locking plate and achieving positioning through friction or by engaging with the side wall of the locking plate. At this time, the locking plate extends into the retaining groove, and the knob cannot be rotated. Furthermore, the L-shaped plate 30 at the bottom of the locking plate and the circumferential inner wall of the boss prevent it from coming off.

[0020] In this embodiment, as shown in the figure, it also includes a tube body 4. The elastic element is installed inside the tube body, and part of the top bead is installed inside the tube body, as shown in the figure. It can be installed as a whole, with the top bead partially exposed and not falling out, because the diameter of the opening of the tube body is smaller than the diameter of the top bead.

[0021] In this embodiment, as shown in the figure, the knob is provided with a mounting groove for installing the pipe body, and the mounting groove communicates with the sliding groove. The pipe body can be installed by means of snap-fit ​​or threaded connection.

[0022] In this embodiment, as shown in the figure, the knob has a first locking hole 24, and the lock plate has a second locking hole 33. When the lock plate is in the locked position, the first locking hole and the second locking hole are aligned. When the first locking hole and the second locking hole are aligned, a padlock can be passed through, which increases stability when necessary.

[0023] In this embodiment, as shown in the figure, the diameter of the first keyhole and the second keyhole is 5~8mm.

[0024] In this embodiment, as shown in the figure, multiple baffles are provided.

[0025] In this embodiment, as shown in the figure, the angle between adjacent retaining grooves is 20°~60°.

[0026] In this embodiment, as shown in the figure, the elastic element is a spring.

[0027] In this embodiment, as shown in the figure, the knob is made of zinc alloy or stainless steel, which has high strength and corrosion resistance.

[0028] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. The embodiments should not be considered as limitations on the present invention, but any improvements made based on the spirit of the present invention should be within the protection scope of the present invention.

Claims

1. A self-locking knob structure, comprising a panel (1) and a knob (2), characterized in that: Also includes A boss (11) is provided on the panel, and its inner wall is provided with several grooves (12). The knob is rotatably connected to the boss. A groove (21) is provided on the knob; The top bead (22) is located on the knob and is supported by the elastic element (23) so that it is partially located in the groove; Locking piece (3), which slides in conjunction with the sliding groove, has a receiving groove (31) on its outer wall. The locking piece includes a top bead pressing against the outer wall of the locking piece and a locking position in which part of the locking piece is located within the retaining groove. The top bead is located in the receiving groove and the locking piece is in the unlocked position away from the stop groove.

2. The knob structure with a self-locking function according to claim 1, characterized in that: It also includes a tube body (4), the elastic element is installed inside the tube body, and part of the top bead is installed inside the tube body.

3. The knob structure with a self-locking function according to claim 2, characterized in that: The knob is provided with a mounting groove for installing the tube body, and the mounting groove is connected to the slide groove.

4. The knob structure with a self-locking function according to claim 1, characterized in that: The knob is provided with a first locking hole (24), and the lock plate is provided with a second locking hole (33). When the lock plate is in the locked position, the first locking hole and the second locking hole are aligned.

5. The knob structure with a self-locking function according to claim 4, characterized in that: The diameter of the first keyhole and the second keyhole is 5-8 mm.

6. The knob structure with a self-locking function according to claim 5, characterized in that: The baffle is provided in multiple ways.

7. The knob structure with a self-locking function according to claim 1, characterized in that: The angle between adjacent retaining grooves is 20° to 60°.

8. A knob structure with a self-locking function according to any one of claims 1-7, characterized in that: The elastic element is a spring.

9. A knob structure with a self-locking function according to claim 1, characterized in that: The knob is made of zinc alloy or stainless steel.

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