Telescopic support arm frame

Abstract

The utility model discloses a telescopic support arm frame, which relates to the technical field of support arm frames, and comprises a base, a support column, a lower support arm and an upper support arm, the support column is fixed on the base, the lower support arm is sleeved on the support column and is rotatably arranged, the upper support arm is rotatably connected with the lower support arm, a fixed seat is fixed at the upper end of the upper support arm, and the fixed seat is fixed at the lower end of the upper support arm. A sliding rod is arranged in the fixing base in a front-back sliding mode, the outer side end of the sliding rod is fixedly connected with a connecting piece, the display screen is rotationally connected with the connecting piece, and the inner side end of the sliding rod penetrates through the fixing base; through front-back sliding of a sliding rod and locking of a fixing button, a user can flexibly adjust the distance between the display screen and the user according to using habits, personalized requirements are met, the using comfort degree is improved, a supporting cylinder, a supporting rod and a limiting button in a limiting mechanism are used in cooperation, the upper supporting arm and the lower supporting arm can be effectively prevented from drooping due to long-time hovering, and the use safety is improved. The display screen is prevented from being damaged due to loosening of the supporting arm, and use safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of support arm frame, concretely is a telescopic support arm frame. BACKGROUND

[0002] With the rapid development of display technology, display screen is more and more widely used in the field of office, education, entertainment and so on, in order to meet the diversified needs of users to the position, angle and distance of display screen, telescopic support arm frame as an important support equipment is widely used in the installation and adjustment of display screen, the traditional telescopic support arm frame is usually composed of base, support column, lower support arm and upper support arm, and the height and angle of display screen are adjusted by rotating connection, however, the existing telescopic support arm frame still has some deficiencies in actual use.

[0003] When the position of support arm frame is fixed, the angle of the whole support arm frame needs to be adjusted when the display screen on the support arm frame needs to move forward and backward, and then the support arm frame will occupy the space on the desktop, and it cannot be conveniently operated when fine tuning, at the same time, the technology of the support arm frame hovering up and down is mostly supported by pneumatic spring, and after long time support use, the sealing element is used fatigue to cause the hovering loose, and then the support arm frame is loose and drooping, which damages the electronic product. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a telescopic support arm frame, which solves the problems in the above background art.

[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a telescopic support arm frame, including base, support column, lower support arm and upper support arm, the support column is fixed on the base, the lower support arm is sleeved on the support column and can be rotatably arranged, the upper support arm is rotatably connected between the lower support arm, the upper end of the upper support arm is fixed with a fixed seat, the fixed seat is slidably arranged with a slide rod, the outer end of the slide rod is fixedly connected with a connecting piece, the display screen is rotatably connected with the connecting piece, the inner end of the slide rod passes through the fixed seat, the upper end of the fixed seat is symmetrically provided with a fixed button, which is used for fixing the position of the slide rod, so as to realize the forward and backward movement adjustment of the display screen.

[0006] Further, a limiting mechanism is arranged between the upper support arm and the support column, the limiting mechanism comprises a support cylinder and a support rod, the upper end of the support rod and the lower end of the support cylinder are both fixed with a ball head, a limiting button is threadedly connected on the support rod, the lower end of the upper support arm and the upper end of the support column are both fixed with a connecting buckle, a connecting head is hung in the inner ring of the connecting buckle, the connecting head is rotatably arranged with the ball head, which is used for limiting the drooping of the upper support arm and the lower support arm.

[0007] Further, the support rod is fixed with a push rod outside the wall of the end close to the ball head, the push rod is arranged perpendicularly to the support rod, and the push rod is used for facilitating the sliding operation of the support rod by the user.

[0008] Further, the support rod is detachably arranged between the support cylinder, the lower end of the support rod is threadedly connected with extension rods, the number of the extension rods is multiple, and the extension rods are used for forming long-distance support after the upper support arm and the lower support arm are rotated.

[0009] Further, the multiple extension rods are arranged outside the fixed seat and are threadedly connected between the extension rods and the fixed seat, so that the extension rods are conveniently stored.

[0010] Further, the limiting knob is threadedly connected between the extension rods, and is used for fixing the relative position of the support rod and the support cylinder, so that the stability of the limiting mechanism is enhanced.

[0011] The utility model provides a telescopic support arm frame, which has the following beneficial effects compared with the prior art:

[0012] The telescopic support arm frame; through the forward and backward sliding of the slide rod and the locking of the fixed knob, the user can flexibly adjust the distance between the display screen and the user according to the use habit, meet the individualized demand, improve the use comfort, the support cylinder, the support rod and the limiting knob in the limiting mechanism are used in cooperation, the upper support arm and the lower support arm can be effectively prevented from drooping due to long-time hovering, the display screen can be prevented from being damaged due to the loosening of the support arm, and the use safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model as a whole;

[0014] Figure 2 It is a structural schematic view of the fixed seat and the slide rod of the utility model;

[0015] Figure 3 It is a structural schematic view of the fixed seat and the extension rod of the utility model;

[0016] Figure 4 It is a structural schematic view of the limiting mechanism of the utility model;

[0017] Figure 5 It is Figure 3 It is an enlarged structural schematic view of position A in the figure.

[0018] In the figure: 1, base; 2, support column; 3, lower support arm; 4, upper support arm; 5, fixed seat; 6, slide rod; 7, fixed knob; 9, connecting piece; 11, connecting buckle; 12, connecting head; 13, support cylinder; 14, support rod; 15, ball head; 16, push rod; 17, limiting knob; 18, extension rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a telescopic support arm frame, specifically by base 1, support column 2, lower arm 3 and upper arm 4 are composed, support column 2 is fixed on base 1, lower arm 3 is sleeved on support column 2 and is rotationally arranged, upper arm 4 is rotationally connected between lower arm 3, this is prior art, not too much introduction is made here, fixed seat 5 is fixed on the upper end of upper arm 4 in the design, sliding rod 6 is slidably arranged in fixed seat 5, the outer side end of sliding rod 6 is fixedly connected with connecting piece 9, display screen is rotationally connected with the outer side end of connecting piece 9, the inner side end of sliding rod 6 passes through fixed seat 5, fixed knob 7 is threadedly connected on the upper end of fixed seat 5, fixed knob 7 is symmetrically arranged on fixed seat 5, display screen can adjust use distance by moving forward and backward by sliding rod 6, display screen moves forward and backward on upper arm 4 and is adjusted, can be conveniently adjusted by user according to use habit.

[0021] Limiting mechanism is arranged between upper arm 4 and support column 2, and the limiting mechanism includes a support cylinder 13, a support rod 14 is slidably connected to the upper end of the support cylinder 13, a ball head 15 is fixed to the upper end of the support rod 14 and the lower end of the support cylinder 13, and a limiting knob 17 is threadedly connected to the support rod 14. The lower end of the upper arm 4 is fixedly connected with a connecting buckle 11, and the upper end of the support column 2 is also fixedly connected with a connecting buckle 11. A connecting head 12 is annularly hung in the connecting buckle 11, and the connecting head 12 is rotationally arranged in matching with the ball head 15. When the positions of the upper arm 4 and the lower arm 3 are fixed, the support rod 14 is pulled out according to the actual use height, the support rod 14 is slidably connected between the support cylinder 13, then the limiting knob 17 is rotated to be arranged close to the support cylinder 13, and then stable support is formed through the support cylinder 13, the support rod 14 and the limiting knob 17. In this way, the upper arm 4 can not be loosened and drooped during use, and the display screen can not be damaged due to drooping. The support rod 14 and the support cylinder 13 can limit the drooping of the lower arm 3 and the upper arm 4, and the use of the display screen is ensured.

[0022] A push rod 16 is fixed to the outer side wall of one end of the support rod 14 close to the ball head 15, and the push rod 16 is perpendicular to the support rod 14. When the support rod 14 is pulled out, the push rod 16 is pushed to facilitate the user to slide and operate.

[0023] Supporting rod 14 and supporting cylinder 13 are detachably arranged, after separating supporting rod 14 from supporting cylinder 13, a plurality of extension rods 18 are threadedly connected to the lower end of supporting rod 14, so that the extension rods 18 can be installed to form long-distance support when the upper support arm 4 and the lower support arm 3 rotate.

[0024] The plurality of extension rods 18 are arranged outside the fixed seat 5, and the extension rods 18 and the fixed seat 5 are threadedly connected, which is convenient for storing the extension rods 18. The limiting knob 17 is also threadedly connected with the extension rods 18.

Claims

1. A telescopic boom frame, comprising a base (1), a support column (2), a lower support arm (3), and an upper support arm (4), wherein the support column (2) is fixed to the base (1), the lower support arm (3) is sleeved on the support column (2) and rotatably disposed, and the upper support arm (4) is rotatably connected to the lower support arm (3), characterized in that, The upper end of the upper support arm (4) is fixed with a fixed seat (5). A slide rod (6) is slidably arranged in the fixed seat (5). A connector (9) is fixedly connected to the outer end of the slide rod (6). The display screen is rotatably connected to the connector (9). The inner end of the slide rod (6) passes through the fixed seat (5). Fixed buttons (7) are symmetrically arranged on the upper end of the fixed seat (5) to fix the position of the slide rod (6) so as to realize the forward and backward movement adjustment of the display screen.

2. The telescopic boom according to claim 1, characterized in that, A limiting mechanism is provided between the upper support arm (4) and the support column (2). The limiting mechanism includes a support cylinder (13) and a support rod (14). A ball head (15) is fixed to the upper end of the support rod (14) and the lower end of the support cylinder (13). A limiting button (17) is threaded onto the support rod (14). A connecting buckle (11) is fixed to the lower end of the upper support arm (4) and the upper end of the support column (2). A connecting head (12) is attached to the inner ring of the connecting buckle (11). The connecting head (12) is matched and rotated with the ball head (15) to limit the drooping of the upper support arm (4) and the lower support arm (3).

3. The telescopic boom according to claim 2, characterized in that, A lever (16) is fixed to the outer wall of one end of the support rod (14) near the ball head (15). The lever (16) is perpendicular to the support rod (14) and is used to facilitate the user to slide and operate the support rod (14).

4. The telescopic boom according to claim 2, characterized in that, The support rod (14) and the support cylinder (13) are detachably connected. The lower end of the support rod (14) is threaded with an extension rod (18). There are multiple extension rods (18) used to form long-distance support after the upper support arm (4) and the lower support arm (3) rotate.

5. The telescopic boom according to claim 4, characterized in that, Multiple extension rods (18) are installed on the outside of the fixed base (5), and the extension rods (18) and the fixed base (5) are connected by threads to facilitate the storage of the extension rods (18).

6. The telescopic boom according to claim 2, characterized in that, The limit button (17) and the extension rod (18) are connected by a thread to fix the relative position of the support rod (14) and the support cylinder (13) to enhance the stability of the limit mechanism.

Images