CN2561983Y - A telescopic rod that is easy to adjust and fix - Google Patents

Abstract

The utility model provides a telescopic link convenient to adjust fixedly, sleeve pipe including two sections cup joints is connected with lever locking mechanism between outside sleeve pipe and inboard sleeve pipe, and lever locking mechanism includes outer tube fixed block, slider, hand (hold), interior sleeve pipe fixed block, and the outer tube fixed block cup joints and fixes on the outer tube, and it has the spout to open on it, and slider one end is connected in the spout, and the other end is articulated with the hand (hold) middle part, and interior sleeve pipe fixed block cup joints on interior sleeve pipe, and the tip and the interior sleeve pipe fixed block of hand (hold). The telescopic rod is simple, rapid and convenient to operate, good in effect, applicable to hanging heavier objects, particularly suitable for meeting the requirements of movie shooting occasions, and capable of being designed for drying clothes and hanging articles in families, hanging flags, advertisements, signs and the like outdoors, and has wide application range and wide application prospect.

Description

A telescopic rod that is easy to adjust and fix

Technical field

The utility model relates to a hand tool, in particular to an adjustable and fixed telescopic rod.

Background technique

The telescopic rod is a tool that is widely used in daily life. It is generally used to hang objects. The existing telescopic rod is composed of two slidable outer sleeves and inner sleeves that are sequentially socketed. Tight fit is used to make the two casings relatively fixed. The telescopic length of this kind of telescopic rod is the set length and cannot be changed; there are also telescopic rods with threaded positioning knobs on the socket, and the screw part of the positioning knob is screwed into the outer casing. The wall is threaded through the hole and connected with the inner casing. After the telescopic rod stretches to the required length, the inner and outer casings are fixed to each other. This kind of telescopic rod can be adjusted according to the required length, but the connection between the inner and outer casings only depends on positioning. The friction force provided by the knob is realized, so the support force that can be provided is not large, and it cannot carry heavy objects; in order to improve the shortcomings of the existing technology, a Chinese utility model patent with a patent number of 98229247.3 provides a "outer Lock telescopic rod", this kind of external lock telescopic rod consists of two socketed sleeves, with an external lock on the socket of the sleeve, one end of the external lock is fixedly connected to the rear sleeve, and the other end is connected to the front The set sleeve is equipped with a lock nut with a tapered external thread and a longitudinal opening, and a lock nut that is threadedly matched with the lock nut. When in use, the lock nut and the lock nut are connected by threads Tightening the longitudinal opening close to the front casing can fix the relative position of the two socketed casings; in addition, a soft touch can be processed at the tail end of the external locking telescopic rod, and a The mandrel nut has a fine-tuning bolt matched with the mandrel nut and has a soft touch on the outer end, which is used to adjust the pressure of the telescopic rod on the supports at both ends to realize the purpose of erecting the telescopic rod between the two supports. This kind of external locking telescopic rod tightens the lock nut to fix the inner and outer sleeves by rotating the locking nut. Since the tightening and loosening of the rotating thread is time-consuming and laborious, this kind of external locking telescopic rod is inconvenient to use. , the action efficiency is low; and the top pressure generated by adjusting the fine-tuning bolt at the end is also small, which cannot meet the requirements of hanging heavy objects, such as large lamps and shooting equipment used in film and television shooting occasions. The range is limited; in addition, the installation process needs to adjust the lock nut and the fine-tuning bolt separately, and the operation is more cumbersome.

Contents of Invention

The purpose of the utility model is to overcome the disadvantages of the prior art, and to provide a telescopic rod that is easy to operate, quick to produce, and has a large jacking force, and is suitable for hanging heavy items and is easy to adjust and fix.

The purpose of the utility model is achieved through the following technical solutions: the telescopic rod that is convenient to adjust and fix includes two socketed sleeves, the inner sleeve is slidably inserted into the outer sleeve, and a connecting rod is connected between the outer sleeve and the inner sleeve. Lever locking mechanism.

The lever locking mechanism includes an outer casing fixing block, a slider, a handle, and an inner casing fixing block. The outer casing fixing block is sleeved and fixed on the outer casing, and a chute is opened on it, and one end of the slider is connected to the chute Inside, it can slide along the chute, the other end of the slider is hinged with the middle of the handle, the slider and the handle can rotate relatively, the inner sleeve fixing block is sleeved on the inner sleeve, and the end of the handle is fixed with the inner sleeve The block is hinged, and the handle and the fixed block of the inner sleeve can be rotated relatively.

Both the outer casing fixing block and the inner casing fixing block are clamping radial locking structures.

The inner sleeve fixing block includes a clamping ring and a boss block, and the clamping ring is connected with two clamping pieces, and a boss is arranged on the outside of one clamping piece; one side of the bossing piece is relatively fixedly connected with the handle, The other side is provided with a boss, and the boss of the clamping piece is connected with the boss on the boss block in relative cooperation.

The boss of the clamping sheet and the boss on the boss block all include a transition slope; the boss of the clamping sheet and the boss on the boss block can be in a relatively staggered position (the inner casing fixed block is clamped The gap between the two clamping pieces of the ring is relatively large, the fixed block of the inner casing and the inner casing are in a loose fit state), or can slide to a relatively overlapping position along the transition slope, at this time, the boss of the clamping piece and the The bosses on the boss block fit together (the gap between the two clamping pieces of the clamping ring of the inner sleeve fixing block is relatively small, and the inner sleeve fixing block and the inner sleeve are in a tight fit state).

There are two bosses on the clamping piece and two bosses on the boss block, and the arc angle corresponding to each boss (including the transition slope) is 90°.

The inner sleeve fixing block includes a spring, which is installed between the opposite clamping pieces in the inner sleeve fixing block, and plays the role of stretching the two clamping pieces. When the pressing force of the boss acts on the clamping pieces After being removed, the spring can open the two clamping pieces to lengthen or shorten the inner sleeve.

The handle is provided with two or more connection holes connected with the slider; the adjustment connection bolts are located in different holes to adjust the different elongation of the inner sleeve and the clamping effect on the inner sleeve. Force size.

The outer sleeve fixing block is connected with a safety buckle, and the safety buckle and the outer sleeve fixing block are hinged by bolts; after the handle is adjusted and put down, the safety buckle can buckle the handle so that it cannot be loosened by itself to cause an accident.

The ends of the outer casing and the inner casing are connected with elastic soft touch pieces, and the end faces of the elastic soft touch pieces are processed with raised stripes; the elastic soft touch pieces are directly connected to the supports at both ends, and generally rubber Or made of plastic, the raised stripes processed on the end surface can increase the friction with the support.

The function principle of the utility model is: place the telescopic rod between two supports, loosen the handle and adjust the inner casing to extend until both ends of the telescopic rod touch the support, then press down the handle, due to the working principle of the lever, One end of the slider connected with the handle slides in the chute on the outer sleeve fixing block, and at the same time the inner sleeve fixing block also slides to the outside, but at the same time, the pressing of the handle also makes the clamping piece of the inner sleeve fixing block and the inner sleeve fixing block The bosses on the boss block are relatively fitted so that the two clamping pieces of the inner casing fixing block are relatively tightened to clamp the inner casing, so the overall effect of pressing down the handle is that the inner casing fixing block clamps the inner casing Stretch out for a certain distance, so that the elastic soft touch pieces at both ends can be more closely attached to the support, so that the telescopic rod has a greater bearing capacity and can hang heavier items.

Compared with the prior art, the utility model has the following advantages: (1) The operation is simple and convenient; since the telescopic rod only realizes the purpose of clamping the inner casing and extending the inner casing at the same time by pressing down the handle, the operation It is very convenient, fast, and has high working efficiency, which overcomes the time-consuming and labor-intensive shortcomings of the existing separate rotary thread adjustment method; (2) the effect is good; the telescopic rod adopts the principle of leverage to work, which can produce Larger jacking force, suitable for hanging heavy items, especially suitable for hanging large lamps, shooting equipment, etc. in film and television shooting occasions; (3) This telescopic rod is not only suitable for film and television shooting occasions, but also can be designed It is used for drying clothes and hanging objects at home, and hanging banners, advertisements, signs, etc. outdoors. It has a wide range of applications and broad application prospects.

Description of drawings

Fig. 1 is the exterior view of the telescopic rod that is convenient to adjust and fix in the utility model.

Fig. 2 is a disassembled schematic view of the telescopic rod shown in Fig. 1 .

Fig. 3 is a disassembled schematic diagram of another angle of the telescopic rod shown in Fig. 1 .

Fig. 4 is a schematic structural view of the outer sleeve fixing block of the telescopic rod shown in Fig. 1 .

Fig. 5 is a structural schematic diagram of the clamping ring of the inner sleeve fixing block of the telescopic rod shown in Fig. 1 .

Detailed ways

The utility model will be further specifically described below in conjunction with the accompanying drawings, but the embodiments of the utility model are not limited thereto.

Example

Fig. 1 has shown the outward appearance shape of the present utility model, as can be seen from Fig. 1, this telescoping link that is convenient to adjust and fix comprises the sleeve pipe 1,2 that two joints socket, inner sleeve pipe 2 is slidably inserted in the outer sleeve pipe 1, in A lever locking mechanism is connected between the outer sleeve 1 and the inner sleeve 2; Fig. 2 and Fig. 3 show the specific structure of the lever locking mechanism, as can be seen from Fig. 2 and Fig. 3, the described lever locking mechanism includes an outer casing The fixed block 3, the slider 4, the handle 5, the inner sleeve fixed block 6, the outer sleeve fixed block 3 is socketed and fixed on the outer sleeve 1, which is a clamping radial locking structure, and there is a chute 3A on it , as shown in Figure 4, the hex nut 7 is located in the chute 3A and can slide along the chute 3A, one end of the slider 4 is connected to the hex nut 7 by a bolt 8, the other end of the slider 4 is connected to the through hole in the middle of the handle 5 5A is hinged by the bolt 9, the slider 4 and the handle 5 can rotate relatively, and the handle 5 is provided with two through holes 5A and 5B connected with the slider 4; the adjusting connecting bolt 9 is located in different through holes and can be adjusted The different elongation of the inner sleeve 2 and the clamping force acting on the inner sleeve 2; the inner sleeve fixing block 6 is sleeved on the inner sleeve 2, and the end of the handle 5 is connected with the inner sleeve fixing block 6 is hinged by bolts 10, and the handle 5 and the inner casing fixed block 6 can rotate relatively; the inner casing fixed block 6 is also a clamping radial locking structure, including a clamping ring 6A, a boss block 6B, and a clamping The tight ring 6A is connected with two clamping pieces 6C, 6D, the shape of which is shown in Figure 5, and the outer side of one clamping piece 6C is provided with two opposite bosses 6C-1, and the two bosses 6C-1 include a transition The slope 6C-2, the arc angle corresponding to each boss 6C-1 (including the transition slope 6C-2) is 90°; the side of the boss block 6B is provided with a groove 6B-1, and the handle 5 is inserted into the groove 6B-1 is fixedly connected with the boss block 6B, and the other side of the boss block 6B is provided with two opposite bosses 6B-2, and the two bosses 6B-2 include a transition slope 6B-3, and each boss 6B -2 (including the transition slope 6B-3) corresponds to an arc angle of 90°, the boss 6C-1 of the clamping piece 6C is connected with the boss 6B-2 on the boss block 6B in relative cooperation, when the clamping piece When the boss 6C-1 of 6C and the boss 6B-2 on the boss block 6B are in a relatively staggered position, the gap between the two clamping pieces 6C and 6D is relatively large, and the inner sleeve fixing block 6 and the inner sleeve The tube 2 is in a loose fit state, and the inner casing 2 can be freely expanded and contracted; when the boss 6C-1 of the clamping piece 6C and the boss 6B-2 on the boss block 6B slide up along the transition slopes 6B-3 and 6C-2 When the position is relatively fitted, the boss 6C-1 of the clamping piece 6C and the boss 6B-2 on the boss block 6B are attached to each other. At this time, the gap between the two clamping pieces 6C, 6D is relatively small. The inner casing fixing block 6 is in a tight fit state with the inner casing 2; the inner casing fixing block 6 also includes a spring 6E, and the spring 6E is installed between the opposite clamping pieces 6C and 6D in the inner casing fixing block 6, Play the role of stretching the two clamping pieces 6C, 6D, when the pressing force of the bosses 6B-2 and 6C-1 acting on the clamping pieces 6C, 6D is removed, the spring 6E can open the two clamping pieces 6C, 6D The inner casing 2 can be freely extended or shortened; the outer casing fixing block 3 is also connected with a safety buckle 11, the safety buckle 11 and the outer casing fixing block 3 are hinged by bolts 12, and the safety buckle 11 can be released after the handle 5 is adjusted and put down. Rotate and buckle the handle 5 so that it cannot be loosened voluntarily and an accident occurs. Both ends of the outer sleeve 1 and the inner sleeve 2 are connected with elastic soft touch pieces 13, the elastic soft touch pieces 13 are disc-shaped, made of rubber, and four raised stripes 14 are processed on the end surface; The piece 13 is directly abutted against the support at both ends, and the raised stripes 14 on the end surface can increase the friction between the support and the support.

The above-mentioned embodiments are preferred implementation examples of the present utility model, but the implementation of the present utility model is not limited by the above-mentioned examples, and any other changes, modifications or substitutions made without departing from the spirit and technology of the present invention are all Replacements that should be equivalent are all included within the protection scope of the present utility model.

Claims (10)

1, a kind of being convenient to regulated fixing flexible rod, comprises the sleeve pipe of two joint sockets, it is characterized in that: be connected with the lever locking mechanism between outer sleeve and inner sleeve.

2, according to claim 1ly be convenient to regulate fixing flexible rod, it is characterized in that: described lever locking mechanism comprises outer sleeve fixed block (3), slide block (4), handgrip (5), inner sleeve fixed block (6), outer sleeve fixed block (3) socket is fixed on the outer sleeve (1), have chute (3A) on it, slide block (4) one ends are connected in the chute (3A), the other end and handgrip (5) middle part is hinged, inner sleeve fixed block (6) is socketed on the inner sleeve (1), and the end of handgrip (5) and inner sleeve fixed block (6) are hinged.

3, according to claim 2 being convenient to regulated fixing flexible rod, it is characterized in that: described outer sleeve fixed block (3) and inner sleeve fixed block (6) are radially locking mechanism of clamping type.

4, according to claim 2ly be convenient to regulate fixing flexible rod, it is characterized in that: described inner sleeve fixed block (6) includes clamping ring (6A), boss piece (6B), clamping ring (6A) is connected with two clamp clips (6C, 6D), and a slice clamp clip (6C) arranged outside has boss (6C-1); Boss piece (6B) side is connected with handgrip (5) relative fixed, and opposite side is provided with boss (6B-2), and the boss (6C-1) of described clamp clip (6C) is connected with boss (6B-2) relative engagement on the boss piece (6B).

5, according to claim 4 being convenient to regulated fixing flexible rod, it is characterized in that: the boss (6B-2) on the boss (6C-1) of described clamp clip (6C) and the boss piece (6B) all includes transition inclined-plane (6C-2,6B-3).

6, according to claim 4 being convenient to regulated fixing flexible rod, it is characterized in that: boss (6B-2) quantity on the boss (6C-1) of described clamp clip (6C) and the boss piece (6B) all is two, and the pairing arc angle of each boss is 90 °.

7, according to claim 2 being convenient to regulated fixing flexible rod, it is characterized in that: described inner sleeve fixed block (6) includes spring (6E), and spring (6E) is installed between the clamp clip (6C, 6D) relative in the inner sleeve fixed block (6).

8, according to claim 2 being convenient to regulated fixing flexible rod, it is characterized in that: two or more attachment holes that are connected with slide block (5A, 5B) are set on the described handgrip (5).

9, according to claim 2 being convenient to regulated fixing flexible rod, it is characterized in that: described outer sleeve fixed block (3) is connected with safe button (11), and safety button (11) is hinged by bolt (12) with outer sleeve fixed block (3).

10, according to claim 2 being convenient to regulated fixing flexible rod, it is characterized in that: described outer sleeve (1) all is connected with the soft part (13) that touches of elasticity with the end of inner sleeve (2), and the soft end face that touches part (13) of elasticity is processed with the striped (14) of projection.

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