CN203324631U

CN203324631U - Automatic foot tube locking fastening apparatus, photography tripod, unipod and crutch

Info

Publication number: CN203324631U
Application number: CN201320370195XU
Authority: CN
Inventors: 梅建云
Original assignee: 梅建云
Current assignee: Zhongshan Nikow Precision Industrial Co., Ltd.
Priority date: 2013-06-26
Filing date: 2013-06-26
Publication date: 2013-12-04
Anticipated expiration: 2023-06-26

Abstract

The utility model provides an automatic foot tube locking fastening apparatus, a photography tripod, a unipod and a crutch. The automatic foot tube locking fastening apparatus comprises a guiding switch and a guiding inclined post, wherein the guiding switch and the guiding inclined post are used based on mutual cooperation. The guiding switch is a bottom-free hollow cylinder; and the guiding inclined post is in a circular truncated cone shape. Through holes are uniformly arranged at the side surface of guiding switch; and matched locking shafts are arranged at the through holes. A transmission mechanism is arranged between the guiding switch and the guiding inclined post; therefore, when the guiding switch and the guiding inclined post are rotated mutually, the guiding switch moves up and down along the post inclination surface of the guiding inclined post and the locking shafts moves along the guiding inclined post,. The photography tripod, the unipod and the crutch have the automatic foot tube locking fastening apparatuses. The automatic foot tube locking fastening apparatus, the photography tripod, the unipod and the crutch can be used conveniently; the locking force is strengthened; loosening and locking of the foot tube can be adjusted rapidly and the loosening and locking can be adjusted by a single segment way or an integrated way; and automatic locking of the foot tube at any position with extension in the locking state can be realized.

Description

Pin pipe auto lock fixing apparatus, photographic tripod, unipod and crutch

Technical field

The utility model relates to pin pipe auto lock fixing apparatus, photographic tripod, unipod and crutch.

Background technology

Can run into unavoidably the situation of shake when daily pictures taken or video, photographic tripod can be photographer and provides support power, is to have taken the requisite photographic goods of photo.Because the pin pipe of tripod is generally longer, to be inconvenient to carry, therefore the tripods that much the pin pipe carried out to scalable fastening design have appearred on the market, the length that can regulate the pin pipe according to cameraman's needs is regulated the height of tripod.

The inventor finds that prior art has following shortcoming: it is fastening that the adjusting of pin length of tube needs external fastenings usually, regulates pin length of tube inconvenience, and coupling mechanism force is limited, is all generally to be threaded knob or to pull the locking of button squash type.

The utility model content

It is a kind of easy to use that technical problem to be solved in the utility model is to provide, increase coupling mechanism force, but quick adjustment pin pipe unclamps and locks, but single-unit or integrally-regulatedly unclamp and lock, and under locking state, can move to the optional position auto lock pin pipe auto lock fixing apparatus.

Provide a kind of pin pipe auto lock fixing apparatus at the utility model, comprise the director switch and the guiding batter post that are used in conjunction with each other, described director switch is the hollow circular cylinder that lacks bottom surface, described guiding batter post is round table-like, described director switch side surface evenly has through hole, on described through hole, adaptation has lock shaft, there is gear train between described director switch and described guiding batter post, make when described director switch and described guiding batter post rotate mutually, described director switch moves up and down along the post inclined-plane of described guiding batter post, and impel lock shaft to move along the guiding batter post.

Further, the upper surface of described guiding batter post is provided with guiding surface, and the inner bottom surface of described director switch is provided with and the competing mating surface of described guiding surface.

Further, the inner bottom surface of described director switch is fixedly installed guide pin, and the lower surface of described guide pin is sphere, at the upper surface of described guiding batter post, has the gathering sill that is applicable to described guide pin, and described gathering sill is by being deep to shallow continuous gradation setting.

Further, described guiding batter post bottom is equipped with spring and attachment screw, and described attachment screw, through described spring, through described guiding batter post, is connected to described director switch inner bottom surface, and described attachment screw and described director switch inner bottom surface are threaded connection.

Further, described through hole is elliptical aperture, and described lock shaft is drum type.

Further, described through hole is circular hole, and described lock shaft is ball.

Further, the position beyond the described through hole of described director switch side surface is provided with guard circle.

Also provide a kind of photographic tripod at the utility model, comprised the described pin pipe of above-mentioned any one auto lock fixing apparatus.

Also provide a kind of unipod at the utility model, comprised the described pin pipe of above-mentioned any one auto lock fixing apparatus.

Also provide a kind of crutch at the utility model, comprised the described pin pipe of above-mentioned any one auto lock fixing apparatus.

The pin pipe auto lock fixing apparatus, photographic tripod, unipod and the crutch that adopt the utility model to provide, catch a pipe joint because adopt, can change fast the lax also state of locking, such as to opposite spin one, saving inner tube, inner tube and outer tube relaxed state, now inner tube can be flexible up and down within the outer tube, and to positive dirction rotation final section inner tube, inner tube and outer tube are in locking state; When locking state, pull inner tube downwards, inner tube and outer tube become relaxed state, now up push away at an arbitrary position inner tube, just can lock onto optional position in outer tube to inner tube, thereby reach easy to use, increase coupling mechanism force, but quick adjustment pin pipe unclamps and locks, but single-unit or integrally-regulatedly unclamp and lock, and can move the technique effect of optional position auto lock under locking state.

The accompanying drawing explanation

Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 has schematically shown the explosive view of the pin pipe auto lock fixing apparatus that the utility model embodiment 1 provides;

Fig. 2 has schematically shown director switch that the utility model embodiment 1 provides and adaptive lock shaft;

Fig. 3 has schematically shown director switch that the utility model embodiment 1 provides and adaptive lock shaft;

Fig. 4 has schematically shown the director switch that the utility model embodiment 1 provides, guide pin and guiding batter post;

Fig. 5 has schematically shown director switch and guiding batter post that the utility model embodiment 2 provides;

Fig. 6 has schematically shown the pin pipe auto lock fixing apparatus locking state wiring layout that the utility model embodiment 1 provides;

Fig. 7 has schematically shown the pin pipe auto lock fixing apparatus relaxed state wiring layout that the utility model embodiment 1 provides;

Fig. 8 has schematically shown the outer tube that the utility model embodiment 1 provides, has protected the explosive view of inner sleeve, clamping ring, inner tube;

Fig. 9 has schematically shown the connection layout of outer tube that the utility model embodiment 1 provides, clamping ring, inner tube;

Figure 10 has schematically shown the photographic tripod that the utility model embodiment 1 provides;

Figure 11 has schematically shown the unipod that the utility model embodiment 1 provides;

Figure 12 has schematically shown the crutch that the utility model embodiment 1 provides.

Embodiment

Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.

Embodiment 1

Referring to figs. 1 through Fig. 7, provide a kind of pin pipe auto lock fixing apparatus at the utility model embodiment, comprise director switch 3 and guiding batter post 6, as shown in Figure 4, director switch 3 is for lacking the hollow circular cylinder of bottom surface, guiding batter post 6 is round table-like, director switch 3 inner bottom surfaces are installed guide pin 4, the lower surface of guide pin 4 is sphere, upper surface at guiding batter post 6 has the gathering sill 61 that is applicable to guide pin 4, gathering sill 61 is by being deep to shallow continuous gradation setting, guide pin 4 forms a sets of transmission mechanism with gathering sill 6, when guide pin 4 slides along gathering sill 61, the horizontal level of guide pin 4 lower surfaces can move up and down, when guide pin 4 relatively moves along gathering sill 61, director switch 3 can move up and down along the post inclined-plane of guiding batter post 6.

Director switch 3 side surfaces evenly have through hole 31, and on through hole 31, adaptation has lock shaft 5.As shown in Figure 2, through hole 31 can be elliptical aperture, and now lock shaft 5 is drum type, i.e. the middle part diameter solid of revolution large than the two ends diameter; As shown in Figure 3, through hole 31 also can be circular hole, and now lock shaft 5 is ball.Circumferential position beyond director switch 3 side surface through holes 31 is provided with guard circle 2.

With reference to Fig. 6 and Fig. 7, guiding batter post 6 bottoms are equipped with spring 7 and attachment screw 8, attachment screw 8 is through spring 7, through guiding batter post 6, be connected to director switch 3 inner bottom surfaces, attachment screw 8 is threaded connection with director switch 3 inner bottom surfaces, and makes spring 7 all the time in compressive state, the power of stretching provided by spring 7, make director switch 3 close to guiding batter post 6.

With reference to Figure 10 to 12; this pin pipe auto lock fixing apparatus is applicable to the pin pipes such as photographic tripod, unipod and crutch, and the pin pipe comprises outer tube 91 and inner tube 92, and inner tube 92 outer surface of upper also are provided with guard circle 2; guiding batter post 6 lower ends are fixedly connected with the upper end of inner tube 92, for example are threaded.Inner tube 92 is set in outer tube 91, and can axially stretch out or retract outer tube 91 is interior.As shown in Figure 8 and Figure 9, be provided with protection inner sleeve 9 between the outside surface of the inside surface of outer tube 91 and inner tube 92, the lower end of outer tube 91 is connected to the outside surface of inner tube 92 by clamping ring 10.

Installation and the using method of this pin pipe auto lock fixing apparatus are as follows:

(1) pass spring 7 with attachment screw 8, by guiding batter post 6, be connected to the inner bottom surface of director switch 3, guiding batter post 6 lower ends are fixedly connected with the upper end of inner tube 92, and inner tube 92 is set in outer tube 91.

(2) positive dirction rotation inner tube 92, guiding batter post 6 rotates with respect to director switch 3, make director switch 3 move down along the post inclined-plane of guiding batter post 6, now lock shaft 5 is along the post inclined-plane of guiding batter post 6 to decline, produce to the periphery extruding force simultaneously, force and compress outer tube 91, make outer tube 91 and inner tube 92 in locking shape body.

(3) opposite spin inner tube 92, guiding batter post 6 rotates with respect to director switch 3, make director switch 3 up move along the inclined-plane of guiding batter post 6, now lock shaft 5 is along the post inclined-plane of guiding batter post 6 to rising, at this moment inner tube 92 keeps relaxed state with outer tube 91, and inner tube 92 can be interior flexible at outer tube 91.

(4) when locking state, lock shaft 5 produces extruding force to the periphery, force and compress outer tube 91, pull inner tube 92 downwards, the batter post 6 that is equivalent to lead moves down with respect to director switch 3, and lock shaft 5 is along the post inclined-plane of guiding batter post 6 to rising, and inner tube 92 becomes relaxed state with outer tube 91, now up push away at an arbitrary position inner tube 92, just can lock onto the interior optional position of outer tube 91 to inner tube 92.

Embodiment 2

The present embodiment difference from Example 1 is, as shown in Figure 5, cancel the gathering sill 61 in embodiment 1, guiding batter post 6 upper surfaces are provided with guiding surface 62, director switch 3 inner bottom surfaces are provided with and the competing mating surface 63 of guiding surface 62, and guiding surface 62 forms a sets of transmission mechanism with mating surface 63, when guiding batter post 6 rotates mutually with director switch 3, mating surface 63 can move up and down along guiding surface 62, thereby director switch 3 can be moved up and down along the post inclined-plane of guiding batter post 6.

The pin pipe auto lock fixing apparatus that adopts the utility model embodiment to provide, for the photographic tripod formed by the more piece pipe, unipod and crutch etc., catch a pipe joint, can change fast the lax also state of locking, such as to opposite spin one, saving inner tube 92, inner tube 92 and outer tube 91 relaxed states, now inner tube 92 can be interior flexible up and down at outer tube 91; To positive dirction rotation final section inner tube 92, inner tube 92 and outer tube 91 are in locking state; When locking state, pull inner tube 92 downwards, inner tube 92 becomes relaxed state with outer tube 91, now up pushes away at an arbitrary position inner tube 92, just can lock onto the interior optional position of outer tube 91 to inner tube 92.

The pin pipe auto lock fixing apparatus, photographic tripod, unipod and the crutch that adopt the utility model embodiment to provide, easy to use, increase coupling mechanism force, but quick adjustment pin pipe unclamps and locks, but single-unit or integrally-regulatedly unclamp and lock, and can move the optional position auto lock under locking state.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a pin pipe auto lock fixing apparatus, it is characterized in that, comprise the director switch and the guiding batter post that are used in conjunction with each other, described director switch is the hollow circular cylinder that lacks bottom surface, described guiding batter post is round table-like, described director switch side surface evenly has through hole, on described through hole, adaptation has lock shaft, there is gear train between described director switch and described guiding batter post, make when described director switch and described guiding batter post rotate mutually, described director switch moves up and down along the post inclined-plane of described guiding batter post, and impel lock shaft to move along the guiding batter post.

2. pin pipe auto lock fixing apparatus as claimed in claim 1, is characterized in that, the upper surface of described guiding batter post is provided with guiding surface, and the inner bottom surface of described director switch is provided with and the competing mating surface of described guiding surface.

3. pin pipe auto lock fixing apparatus as claimed in claim 1, it is characterized in that, the inner bottom surface of described director switch is fixedly installed guide pin, the lower surface of described guide pin is sphere, upper surface at described guiding batter post has the gathering sill that is applicable to described guide pin, and described gathering sill is by being deep to shallow continuous gradation setting.

4. pin pipe auto lock fixing apparatus as claimed in claim 2 or claim 3, it is characterized in that, described guiding batter post bottom is equipped with spring and attachment screw, described attachment screw is through described spring, through described guiding batter post, be connected to described director switch inner bottom surface, described attachment screw and described director switch inner bottom surface are threaded connection.

5. as claim 1 or 2 or 3 described pin pipe auto lock fixing apparatus, it is characterized in that, described through hole is elliptical aperture, and described lock shaft is drum type.

6. as claim 1 or 2 or 3 described pin pipe auto lock fixing apparatus, it is characterized in that, described through hole is circular hole, and described lock shaft is ball.

7. pin pipe auto lock fixing apparatus as claimed in claim 1, is characterized in that, the position beyond the described through hole of described director switch side surface is provided with guard circle.

8. a photographic tripod, its feature as for, comprise pin pipe auto lock fixing apparatus as described as claim 1 to 6 any one.

9. a unipod, its feature as for, comprise pin pipe auto lock fixing apparatus as described as claim 1 to 6 any one.

10. a crutch, its feature as for, comprise pin pipe auto lock fixing apparatus as described as claim 1 to 6 any one.