CN201250991Y - Lifting device with quick positioning function - Google Patents

Abstract

The utility model relates to a quick locate function's of utensil elevating gear, it includes: a support, wherein an upright support rod is arranged on the surface of a base; a clamp, which is formed by butting two opposite seat recesses and wing recesses of a clamp seat and a clamp wing, then clamping the stay bar between the two, combining the clamp wing and the clamp seat by a connecting element in a non-locking state to leave a gap between the two, penetrating frame arms on two sides of a connecting frame through seat grooves and wing grooves on two sides of the clamp seat and the clamp wing, and pivoting a shifting sheet between two movable ends of the shifting sheet, wherein the top of the shifting sheet laterally extends to form a convex block which is a straight abutting part adjacent to the back of the clamp wing; a supporting seat which is connected with the front of the connecting frame; the pushing sheet is pulled to make the convex block thereof to press or release the leaning part on the back of the clamping wing, so that the two opposite clamping seats and the clamping wing clamp or release the vertical stay bar together, and further positioning or lifting movement is generated. The utility model has the advantages of simplified structure, simple and convenient assembly process, low manufacturing cost, and the like, and the user can assemble the utility model by himself with DIY without losing the original support function.

Description

Lifting device with quick positioning function

technical field

The utility model relates to a lifting device, in particular to a lifting device with a fast positioning function which can form tight positioning or release movement.

Background technique

According to the displacement of lifting and lowering, we can see a lot around our lives. In a broad sense, the elevator that people take every day is also a way of lifting and lowering. In a narrow sense, for example, the monitors that people come into contact with every day in the workplace or at home, especially liquid crystal monitors, in order to respond to the viewing angle of people, in addition to the adjustment of the elevation angle, the setting of the lifting device is gradually increased, so that the The height of the display can be adjusted to meet the demands of ergonomics for people of different sizes.

Generally speaking, most of the lifting devices used for displays are based on the structure of slide rails, that is, the lifting device is a pair of fixed slide rails connected to the frame walls on both sides above a bracket, and a pair of fixed slide rails behind the support base. The fins are connected with a pair of movable slide rails, so that the pair of movable slide rails can be longitudinally displaced along the pair of fixed slide rails to adjust the height of the display. The combination of the fixed slide rail and the movable slide rail is a well-known slide rail structure. In fact, there are balls between the fixed slide rail and the movable slide rail, so that when the movable slide rail slides along the fixed slide rail, the friction between the two can be reduced, thereby saving labor and increasing the service life of the slide rail structure.

But the structure of the slide rail used for the lifting device is relatively complicated, and the cost is relatively high. In particular, the support seat connected to the supported object, such as a liquid crystal display, is stretched or returned by a constant force spring fixed on the top of the support. roll, so that the movable slide rails on both sides can be positioned on the two fixed slide rails, and this positioning method depends on the elastic force of the constant force spring. If the elastic force is less than the weight of the supported object, the positioning effect cannot be provided. Honesty is the fly in the ointment.

Utility model content

In view of this, the applicant has been engaged in machinery for many years, especially the experience in the design, production and sales of rotating shafts and supporting structures, and devoted himself to research, hoping to overcome the shortcomings of traditional lifting devices such as complex structure, cumbersome assembly and high manufacturing cost. The positioning structure of the lifting device is simplified so that it can be applied to a cylindrical bracket and further connected to a support seat without losing the original supporting function. After repeated experiments and tests, the "quick positioning tool" of the present utility model has been developed. Functional Lifting Device".

In order to achieve the above-mentioned purpose, the utility model provides a lifting device with quick positioning function, which includes: a bracket, which is provided with a vertical support rod on the surface of a base; a clamp, which is composed of a clamp seat and a After the two opposite seat recesses of the clip wing are docked with the wing recesses, the strut is sandwiched between them, and the clip wing and the clip seat are combined by the connecting element in an unlocked state, so that there is a gap between the two, and another The arms on both sides of the connecting frame pass through the seat grooves and wing grooves on both sides of the clip seat and the clip wing, and a plectrum is pivotally connected between the two movable ends. A protrusion protrudes laterally from the top of the plectrum. The straight abutting part on the back of the clip wing; a support seat is connected to the front of the connecting frame; by pulling the plectrum, the protrusion is pressed against or released from the abutting part on the back of the clip wing, thereby Make the two opposite clamp seats and clamp wings jointly clamp or loosen the upright support rod, and then produce positioning or lifting movement.

The secondary purpose of the utility model is to provide a lifting device with quick positioning function, wherein the support rod is a cylindrical rod body, which is inserted and fixed in the seat hole at the top of the base by the joint part at the bottom. Furthermore, the base is a frame body extending horizontally and equiangularly with three tripods. In particular, an end cover is sleeved on the top of the strut as an end seal.

Another object of the present invention is to provide a lifting device with a rapid positioning function, wherein the movable ends of the arms on both sides of the connecting frame and the paddles in between are passed through by a shaft bolt, and an end seal is connected to the shaft bolt Combined, the paddle can be moved up and down between the two arms.

Another object of the present invention is to provide a lifting device with quick positioning function, wherein the supporting seat is pivotally connected to a rotating member by a fixing member, so that the rotating member can adjust the elevation angle relative to the fixing member. Furthermore, the forward protruding lugs on both sides of the fixing member are adjacent to the connecting piece protruding from the back of the rotating member, and the two are pivotally connected by a hinge. In particular, each of the hinges is sleeved with a torsion spring, the two ends of which are against the fixing part and the rotating part respectively.

The beneficial effects of the utility model are:

The lifting device with rapid positioning function of the utility model has the advantages of simplified structure, simple assembly process and low manufacturing cost, and the user can DIY assemble by himself without losing the original supporting function.

Description of drawings

In order to further disclose the specific technical content of the present utility model, the following detailed description is as follows in conjunction with the embodiments and accompanying drawings, wherein:

Fig. 1 is the three-dimensional exploded view of the lifting device of the present utility model;

Fig. 2 is the perspective view after the utility model is assembled;

Fig. 3 is a side view shown in Fig. 2;

Fig. 4 is a sectional view taken along line A-A in Fig. 3;

Fig. 5 is the side view that the utility model intends to adjust the height;

Fig. 6 is a sectional view taken along line B-B in Fig. 5;

Fig. 7 is a side view of the utility model adjusted to the desired height and positioned.

Detailed ways

As shown in FIGS. 1 to 2 , basically, the lifting device of the present invention is composed of a bracket 1 , a clamp 2 , and a support seat 3 .

Among them, the bracket 1 is composed of a base 12 connected to the bottom of a support rod 11. The support rod 11 is a cylindrical rod body, which is inserted into the preset seat hole 121 on the top of the base 12 by the joint part 111 at the bottom. Inside, and upright on the base 12. As shown in FIG. 1 , the base 12 is a frame with three legs 122 extending equiangularly horizontally to increase the area of the base 12 so that it can stand on a plane stably. In fact, the shape of the base 12 is not limited to the aforesaid tripod, it can also be a geometric shape. In particular, an end cover 112 is sleeved on the top of the strut 11 as an end seal.

The clamp 2 is made of a clamping base 21 and two opposite semicircular seat recesses 211 and wing recesses 221 of a clamping wing 22 butted together so that the strut 11 is sandwiched therebetween, and then a known connecting element 23, such as The screw passes through the perforation 222 opened at the corner or both sides of the clamp wing 22, and is combined in the seat hole 212 corresponding to the clamp seat 21 in an unlocked state, so that a gap is left between the two, so that the clamp 2 can be placed on the It moves longitudinally on the strut 11 in a relaxed state. In addition, the frame arms 241 on both sides of a connecting frame 24 pass through the seat groove 213 and the wing groove 223 preset on both sides of the clip seat 21 and the clip wing 22, so that the two movable ends thereof protrude from the clip wing 22 rear. Finally, a plectrum 25 is pivotally connected between the two arms 241. For example, a shaft bolt 26 passes through the support holes 242 at the rear ends of the two arms 241 and the through hole 251 at the top of the plectrum 25, and an end seal 27 is connected to the plectrum. The shaft bolt 26 is screwed together so that the plectrum 25 can be moved up and down on the connecting frame 24 .

In order to enable the clamp 2 to be quickly positioned on the strut 11, a protrusion 252 protrudes laterally from the top of the pick 25, and a flat surface is formed on the back of the clip wing 22 corresponding to the position of the protrusion 252 of the pick 25. The straight abutting portion 224 is, for example, a straight surface formed by a plurality of ribs. In fact, the projection 252 of the plectrum 25 acts like a cam, and when it abuts against the abutting portion 224 on the back side of the wing 22, it will promote the clip seat 21 and the clip wing 22 to approach and closely contact each other, so as to The clamp 2 is clamped on the pole 11 .

In order to make the clamp 2 have a supporting function, a supporting seat 3 is connected to the outside of the connecting frame 24, which is composed of a fixed part 31 pivotally connected to a rotating part 32, so that the rotating part 32 is relatively opposite to the fixed part. 31 can be used for elevation adjustment. As shown in FIG. 1, the fixing member 31 is locked in front of the connecting frame 24, and the lugs 311 protruding forward on both sides are adjacent to the engaging piece 321 protruding from the back of the rotating member 32. The known hinge device 33 is pivotally connected, so that the rotating member 32 can perform a stagnant positioning elevation angle adjustment function relative to the fixing member 31 and the clamp 2 . In order to provide a labor-saving effect during adjustment, a torsion spring 34 is sleeved on each of the hinges 33, and its two ends are respectively against the fixing member 31 and the rotating member 32, so that the front of the rotating member 32 can be connected to the supported object. Such as a liquid crystal display, but this is a known technology and will not be repeated here.

Please refer to Fig. 2, which is a perspective view of most components such as the above-mentioned bracket 1, clamp 2 and support base 3 assembled, wherein, the clamp 2 is clamped on the support frame 11, and the support base 3 is connected to The front of the clamp 2.

As shown in FIG. 3 and FIG. 4 , the clamp 2 and the supporting seat 3 are located under the bracket 11 and are in a fixed state. Now, the projection 252 on the top of the plectrum 25 pushes against and presses against the abutting portion 224 on the back side of the clamping wing 22, so that the clamp seat 21 moves towards the clamping wing 22, and eliminates the gap between the two, and the clamping wing 22 The struts 11 are tightly sandwiched and positioned.

Please refer to Fig. 5 and Fig. 6, if you want to adjust the lifting of the clamp 2 and the support seat 3 on the support bar 11, you only need to pull the dial 25 upwards, so that the protrusion 252 is rotated away from the clamping wing 22 The abutting portion 224 on the back loses the tightness state, so that there is a gap between the clamping wing 22 and the clamping seat 21 , and is loosely sleeved on the support rod 11 . At this time, the user can move the clamp 2 and the supporting seat 3, and after adjusting to the height shown in FIG. 22 and clamp seat 21, the positioning effect can be formed on the bracket 1. Wherein, when the clamp 2 is in a relaxed state, the user can also rotate it on the bracket 11 to adjust the horizontal angle of the clamp 2 and the support base 3 .

Therefore, through the implementation of the present utility model, a clamp is used on the strut of the bracket, and the plectrum is pulled to press or release the projection against the abutting portion on the back of the clip wing, so that the two relative The clip seat and the clip wings together clamp or loosen the upright support rod of the bracket, thereby producing positioning or lifting movement effect. Compared with the traditional lifting device, this rapid positioning method not only simplifies the structure, the assembly process is simple and the manufacturing cost is low. Low cost and other advantages, and users can DIY assemble by themselves without losing the original support function. In particular, if the support rod is a cylinder, its horizontal angle can be adjusted while the lifting adjustment is being made, which is truly a masterpiece that has never been seen in similar items.

What the utility model discloses is a kind of preferred embodiment, and all partial changes or modifications originating from the technical thought of the utility model and easily deduced by those familiar with the technology are all within the scope of the utility model. scope of claims.

Claims (9)

1. A lifting device with quick positioning function, characterized in that it comprises: A bracket, which is provided with a vertical support rod on a base surface; A clamp, which is made of a clamping base and two opposite seat recesses and wing recesses of a clamping wing butt-jointed, the strut is sandwiched between them, and the clamping wing and clamping base are combined in an unlocked state by a connecting element, There is a gap between the two, and the arms on both sides of a connecting frame pass through the seat grooves and wing grooves on both sides of the clip seat and the clip wing, and a paddle is pivotally connected between the two movable ends. a protrusion protrudes laterally from the top, and the protrusion is adjacent to the straight abutting portion on the back side of the clip wing; a supporting base, connected to the front of the connecting frame; By pulling the plectrum, the protrusion is forced or released against the abutting part on the back of the clip wing, so that the two opposite clamp seats and the clip wing jointly clamp or loosen the upright strut, thereby generating positioning or Lift and move. 2. The lifting device with quick positioning function according to claim 1, wherein the support rod is a cylindrical rod body, which is inserted and fixed in the seat hole at the top of the base by the joint part at the bottom Inside. 3 . The lifting device with quick positioning function according to claim 1 , wherein the base is a frame body with three tripods extending equiangularly in the horizontal direction. 4 . 4 . The lifting device with quick positioning function according to claim 1 , wherein an end cover is sleeved on the top of the support rod as an end seal. 5. The lifting device with quick positioning function as claimed in claim 1, wherein the movable end of the frame arms on both sides of the connecting frame and the plectrum between them are passed through by a shaft bolt, and an end seal is connected with The shaft bolt is combined so that the paddle can be moved up and down between the two arms. 6. The lifting device with quick positioning function as claimed in claim 1, wherein the abutting portion is a straight surface formed by a plurality of ribs. 7 . The lifting device with quick positioning function according to claim 1 , wherein the supporting seat is pivotally connected to a rotating member by a fixing member, so that the rotating member can be adjusted in elevation relative to the fixing member. 7 . 8. The lifting device with quick positioning function according to claim 7, wherein the lugs protruding forward on both sides of the fixing part are adjacent to the engaging piece protruding from the back of the rotating part, and the two sides The hinges are pivotally connected between them. 9 . The lifting device with quick positioning function as claimed in claim 8 , wherein a torsion spring is sleeved on each of the hinges, and two ends of the hinges are against the fixing part and the rotating part respectively. 10 .

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