Horizontal swing locking structure

Abstract

The utility model relates to a horizontal swing locking structure. A main body of the horizontal swing locking structure comprises a suspension seat, a swing arm and a vertical shaft, the swing arm is rotatably positioned on the suspension seat through a vertical shaft; wherein a locking device is arranged between the suspension seat and the cantilever and comprises an end face disc on the vertical shaft, a movable gear and a shifting wheel clamped between the movable gear and the end face disc; matched end face teeth are arranged between the abutting faces of the end face disc and the movable gear, matched circumferential inclined faces are arranged between the abutting faces of the movable gear and the poking wheel, the rotary knob drives the poking wheel to rotate, the movable gear is driven by the circumferential inclined faces to overcome spring force to do axial movement, and meshing locking of the two end face teeth is relieved. According to the utility model, the end face teeth are matched to form the locking between the swing arm and the suspension seat, and the clutch is driven by the shifting wheel, so that reliable locking can be formed, and the swing adjustment of the swing arm is facilitated.

Description

Technical field:

[0001] The utility model relates to a horizontal swing locking structure, in particular to a locking solution using end face teeth. Background technology:

[0002] Cantilever brackets are widely used for supporting or wall-mounting monitors and medical equipment. Most of the cantilevers adopt a four-bar linkage mechanism to achieve height adjustment, and are equipped with double arms, a vertical axis of the second support base for fixing to the wall or table, and a horizontal axis of the second support base for placing the equipment, so as to achieve adjustment of the distance, left and right, and pitch angles to meet the needs of all-round adjustment. For example, CN202020382041.2 discloses an adjustable support arm and monitor bracket, which are specially used for supporting monitors; and CN202321729735.9 discloses a medical device bracket, which is specially used for supporting medical equipment. The two can be integrated and have their own characteristics. Especially for medical use, the positioning requirements of the bracket are relatively high. In addition to the damping positioning foundation, it is also required to be reliably locked to maintain a stable position.

[0003] How to provide a more reasonable technical solution becomes the research object of the present invention. Summary of the invention:

[0004] The utility model aims to design a horizontal swing locking structure in which a vertical axis is locked by end face gear matching.

[0005] The technical solution of the utility model is implemented as follows: a horizontal swing locking structure, the main body includes a suspension seat, a swing arm and a vertical axis; the swing arm can be rotatably positioned on the suspension seat through the vertical axis; it is characterized in that: a locking device is arranged between the suspension seat and the cantilever, and the locking device includes an end plate on the vertical axis, a moving gear that contacts the end plate, and a toggle wheel clamped between the moving gear and the end plate, and a knob for adjusting the toggle wheel; matching end teeth are arranged between the contact surfaces of the end plate and the moving gear, and the tendency of the two end face teeth to mesh is maintained by means of a spring arranged in the assembly hole of the swing arm shaft; matching circumferential inclined surfaces are arranged between the contact surfaces of the moving gear and the toggle wheel, and the knob drives the toggle wheel to rotate, and drives the moving gear to overcome the spring force by means of the circumferential inclined surface to make axial movement, thereby releasing the meshing lock of the two end face teeth.

[0006] The swing arm and the suspension seat are provided with corresponding shaft holes, and the swing arm is expanded at one end of the shaft hole to form a shaft assembly hole; the vertical shaft is assembled from one side of the shaft assembly hole, the end plate is placed on the bottom of the shaft assembly hole, and the end passing through the suspension seat is locked by a nut; the toggle wheel, the moving gear and the spring are assembled on the end plate in sequence, and a pressure cover is arranged on the shaft assembly hole to form a constraint on the spring; the foot of the knob passes through the pressure cover and is inserted into the center hole of the toggle wheel, and is linked with the toggle wheel through a key or surface fit; a pin bolt passes through the knob and the toggle wheel respectively, and the end is locked on the vertical shaft.

[0007] A key and a groove for limiting the rotation of the brake gear are arranged between the shaft assembly hole of the swing arm and the moving gear; a matching edge groove and a side key are arranged between the moving gear and the shifting wheel to form a travel limit, and the central angle of the edge groove is greater than the central angle of the circular inclined surface.

[0008] The movable gear and the shifting wheel are provided with a pair of rotationally symmetrical circumferential inclined surfaces, the central angle of the circumferential inclined surfaces is less than 90 degrees, and circumferential platforms extend from both ends of the circumferential inclined surfaces.

[0009] A flange gasket is arranged between the suspension seat and the swing arm contact surface. The flange gasket is embedded in the swing arm and the shaft hole and isolated outside the vertical axis. A lubricating gasket is arranged between the end plate of the vertical axis and the bottom of the swing arm shaft assembly hole.

[0010] Matching cams and arc grooves are also provided between the swing arm and the end face of the suspension seat; the cam is provided on the end face of the swing arm and passes through the flange gasket to form synchronous swinging, and the short pin convexly provided on the flange gasket on the corresponding side is inserted into the swing arm to form constraints on both sides of the radial direction.

[0011] The utility model adopts the end face teeth to form a lock between the swing arm and the suspension seat, and the clutch is driven by the toggle wheel, which can not only form a reliable lock, but also facilitate the swing adjustment of the swing arm; and the circumferential platforms extending from both ends of the circumferential inclined surface of the toggle wheel and the moving gear can keep the moving gear stable in the clutch state, bringing convenience to the operation. Description of the drawings:

[0012] The present invention will be further described below in conjunction with specific illustrations:

[0013] Figure 1 Schematic diagram of the horizontal swing locking structure in use

[0014] Figure 2 Schematic diagram of horizontal swing locking structure

[0015] Figure 3 Schematic diagram of the cross section of the horizontal swing locking structure

[0016] Figure 4 for Figure 3 A partial enlarged schematic diagram

[0017] Figure 5 Schematic diagram of the horizontal swing locking structure

[0018] Figure 6 Schematic diagram of the relationship between the moving gear and the shifting wheel

[0019] in

[0020] 1—suspension seat; 11—arc slot;

[0021] 2—swing arm; 21—shaft assembly hole; 211—slot; 22—pressure cover; 23—convex key;

[0022] 3—vertical shaft; 31—end plate; 311—end teeth; 32—nut; 33—pin bolt; 34—gasket;

[0023] 4—locking device; 41—moving gear; 411—key; 412—edge groove; 42—moving wheel; 421—circumferential inclined surface;

[0024] 422—side key; 423—circumferential platform; 43—knob; 44—spring;

[0025] 5—flange gasket; 51—lubricating gasket; 52—short pin;

[0026] 6—vertical slide; Specific implementation method:

[0027] Reference Figures 1 to 6 , horizontal swing locking structure, the main body includes a suspension seat 1, a swing arm 2 and a vertical axis 3; the swing arm 2 can be rotatably positioned on the suspension seat 1 through the vertical axis 3; the suspension seat 1 can be used to set the swing arm 2 on a wall or a vertical slide 6, the latter can achieve height adjustment.

[0028] A locking device 4 is arranged between the suspension seat 1 and the cantilever 2, and the locking device 4 comprises an end plate 31 on the vertical axis, a moving gear 41 abutting against the end plate 31, a toggle wheel 42 clamped between the moving gear 41 and the end plate 31, and a knob 43 for adjusting the toggle wheel; matching end face teeth 311 are arranged between the abutting surfaces of the end plate 31 and the moving gear 41, and the meshing tendency of the two end face teeth 311 is maintained by means of a spring 44 arranged in the assembly hole 21 of the swing arm shaft; matching circumferential inclined surfaces 421 are arranged between the abutting surfaces of the moving gear 41 and the toggle wheel 42, and the knob 43 drives the toggle wheel 42 to rotate, and drives the moving gear 41 to overcome the spring force to make axial movement, thereby releasing the meshing locking state of the two end face teeth 311, and the swing arm 2 can swing smoothly around the vertical axis 3.

[0029] More specifically, the swing arm 2 and the suspension seat 1 are provided with corresponding shaft holes, and the swing arm 2 is expanded at one end of the shaft hole to form a shaft assembly hole 21; the vertical shaft 3 is assembled from one side of the shaft assembly hole 21, and the end plate 31 is placed at the bottom of the shaft assembly hole 21, and the end portion passing through the suspension seat 1 is locked by a nut 32, that is, the vertical shaft 3 is fixed to the suspension seat 1; the paddle wheel 42, the moving gear 41 and the spring 44 are assembled on the end plate 31 in sequence, and a pressure cover 22 is arranged on the shaft assembly hole 21 to form a constraint on the spring 44, that is, one end of the spring abuts on the pressure cover 22, and the other end abuts on the moving gear 41, so that the moving gear 41 and the end plate 31 are always kept in meshing state;

[0030] The foot of the knob 43 passes through the gland 22 and is inserted into the center hole of the toggle wheel 42, and is linked with the toggle wheel 42 through a key or surface fit; a pin bolt 33 passes through the knob 43 and the toggle wheel 42 respectively, and the end is locked on the vertical shaft 3. A gasket 34 is provided between the bolt head of the pin bolt 33 and the knob 43 to prevent the pin bolt from rotating when the knob is adjusted.

[0031] A key and a groove for limited braking gear rotation are arranged between the shaft assembly hole 21 of the swing arm and the moving gear 41. As shown in the figure, a key 411 is arranged on the outer contour of the moving gear 41, and a vertical groove 211 is correspondingly arranged on the surface of the shaft assembly hole 21. The two cooperate with each other so that the moving gear 41 can only move up and down but cannot rotate; a side groove 412 and a side key 422 that cooperate with each other are arranged between the moving gear 41 and the toggle wheel 42 to form a travel limit. The central angle of the side groove 412 is greater than the central angle of the circumferential inclined surface 421, so as to ensure that the toggle wheel 42 can completely travel a circumferential inclined surface 421 when rotating an angle. Figure 6 .

[0032] Reference Figure 6 The moving gear 41 and the toggle wheel 42 are provided with a pair of rotationally symmetrical circular inclined surfaces 421, the central angle of the circular inclined surfaces 421 is less than 90 degrees, and circular platforms 423 extend from both ends of the circular inclined surfaces 421. That is to say, in a rotation stroke, the toggle wheel 42 can support the moving gear 41 with the help of the circumferential platforms 423 at both ends of the circular inclined surfaces 421 near the two stroke endpoints, and maintain a relatively stable state. At this time, the hand holding the knob 43 can be completely released, and the focus can be on adjusting the swing arm angle. After adjusting it in place, the knob 43 can be reversed.

[0033] Furthermore, a flange gasket 5 is provided between the contact surface of the suspension seat 1 and the swing arm 2, and the flange gasket 5 is embedded in the swing arm 2 and the shaft hole, and isolated from the vertical shaft 3; a lubricating gasket 51 is provided between the end plate 31 of the vertical shaft and the bottom of the swing arm shaft assembly hole 21 to ensure smooth swinging of the swing arm 2. The gasket 34 between the bolt head of the pin bolt 33 and the knob 43 mentioned above is also a lubricating gasket.

[0034] In addition, matching convex keys 23 and arc grooves 11 are also provided between the end faces of the swing arm 2 and the suspension seat 1, that is, a travel range is set for the swing arm 2 to prevent excessive rotation from causing the equipment to touch the wall, etc.; the convex key 23 is arranged on the end face of the swing arm 2 and passes through the flange gasket 5 to form a synchronous swing, and the short pin 52 protruding from the flange gasket on the corresponding side is inserted into the swing arm to form radial constraints on both sides.

Claims

1. A horizontal swing locking structure, the main body of which includes a suspension seat, a swing arm and a vertical axis; the swing arm can be rotatably positioned on the suspension seat through the vertical axis; Features: A locking device is arranged between the suspension seat and the cantilever, and the locking device includes an end plate on the vertical axis, a moving gear that contacts the end plate, a toggle wheel clamped between the moving gear and the end plate, and a knob for adjusting the toggle wheel; matching end teeth are arranged between the contact surfaces of the end plate and the moving gear, and the tendency of the two end face teeth to mesh is maintained by means of a spring arranged in the assembly hole of the swing arm shaft; matching circumferential inclined surfaces are arranged between the contact surfaces of the moving gear and the toggle wheel, and the knob drives the toggle wheel to rotate, and drives the moving gear to make axial movement with the help of the circumferential inclined surface to overcome the spring force, thereby releasing the meshing lock of the two end face teeth.

2. A horizontal swing locking structure according to claim 1, Features: Corresponding shaft holes are provided on the swing arm and the suspension seat, and the swing arm is expanded at one end of the shaft hole to form a shaft assembly hole; the vertical shaft is assembled from one side of the shaft assembly hole, the end plate is placed on the bottom of the shaft assembly hole, and the end passing through the suspension seat is locked by a nut; the toggle wheel, the moving gear and the spring are assembled on the end plate in sequence, and a pressure cover is arranged on the shaft assembly hole to form a constraint on the spring; the foot of the knob passes through the pressure cover and is inserted into the center hole of the toggle wheel, and is linked with the toggle wheel through a key or surface fit; a pin bolt passes through the knob and the toggle wheel respectively, and the end is locked on the vertical shaft.

3. A horizontal swing locking structure according to claim 1 or 2, Features: A key and a groove for limited braking gear rotation are arranged between the shaft assembly hole of the swing arm and the moving gear; a matching edge groove and a side key are arranged between the moving gear and the shifting wheel to form a travel limit, and the central angle of the edge groove is greater than the central angle of the circumferential inclined surface.

4. A horizontal swing locking structure according to claim 3, Features: The moving gear and the shifting wheel are provided with a pair of rotationally symmetrical circumferential inclined surfaces, the central angle of the circumferential inclined surfaces is less than 90 degrees, and circumferential platforms are extended from both ends of the circumferential inclined surfaces.

5. A horizontal swing locking structure according to claim 1 or 2, Features: A flange gasket is provided between the suspension seat and the contact surface of the swing arm, and the flange gasket is embedded in the swing arm and the shaft hole, and isolated outside the vertical axis; A lubricating gasket is provided between the end plate of the vertical shaft and the bottom of the assembly hole of the swing arm shaft.

6. A horizontal swing locking structure according to claim 5, Features: Matching cams and arc grooves are also provided between the swing arm and the end face of the suspension seat; the cam is arranged on the end face of the swing arm and passes through the flange gasket to form synchronous swinging, and the short pin convexly provided on the flange gasket on the corresponding side is inserted into the swing arm to form radial constraints on both sides.

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