CN201196329Y - Foot stand apparatus for sand protection - Google Patents

Abstract

The utility model relates to a dust and sand protective foot stool device, which comprises a fist pipe fitting, a second pipe fitting, an O-shaped ring and a rubber sleeve, wherein one end of the second pipe fitting is sleeved with a threaded sleeve; one end of the first pipe fitting is spirally arranged inside the threaded sleeve; the O-shaped ring is arranged between the first pipe fitting and the threaded sleeve; and the rubber sleeve is sleeved outside the threaded sleeve. Therefore, the dust and sand protective foot stool device can achieve the function of dust and sand protection; and the rubber sleeve is easy to form during the manufacturing process, and is easy to demould, thereby effectively saving the labor, the time and the production cost.

Description

Sand and dust protection runners device

Technical field

The utility model relates to a kind of sand and dust protection runners device, refers to a kind of sand and dust protection runners device that is used for photographic camera or projection camera and can protects sand and dust especially.

Background technique

The applicable wide range of sand and dust protection runners device, for example: be applied on the tripod of photographic camera or projection camera, have the function of protection sand and dust.As a kind of known sand and dust protection runners device, see also Fig. 1 and Fig. 2, include: one first pipe fitting 1a, one second pipe fitting 2a and a rubber sleeve 3a, this first pipe fitting 1a cooperates by a screw-drive mechanism and the second pipe fitting 2a, makes the leg of tripod have flexible function.This screw-drive mechanism is made up of one first spiro tooth part 11a and one second spiro tooth part 41a, this first spiro tooth part 11a is located at the outer tube wall of the first pipe fitting 1a, one end, this second spiro tooth part 41a is located at the inner tubal wall of a thread sleeve pipe 4a, this thread sleeve pipe 4a is sheathed on the end of the second pipe fitting 2a, and this first spiro tooth part 11a matches with the second spiro tooth part 41a.This rubber sleeve 3a is coated on outside the screw-drive mechanism, and the upper end of rubber sleeve 3a has a protective hat 31a, and this protective hat 31a is close on the first pipe fitting 1a, and this first spiro tooth part 11a and the second spiro tooth part 41a are isolated from the outside, and prevents that earth or sand and dust from entering.

Also be installed with a retaining ring 5a between this first pipe fitting 1a and the second pipe fitting 2a, this second pipe fitting 2a offers two relative perforate 21a, this retaining ring 5a has two relative dome 51a, and this two dome 51a is inserted into this two perforate 21a respectively, and the second pipe fitting 2a is positioned.

The below of this retaining ring 5a is provided with one first collar 6a, the below of this first collar 6a is provided with one second collar 7a, this the first collar 6a and second collar 7a are located between this first pipe fitting 1a and the second pipe fitting 2a, make the first pipe fitting 1a more firm with combining of the second pipe fitting 2a.

During use, because this protective hat 31a is close on the first pipe fitting 1a, extending foot makes this rubber sleeve 3a upper and lower mobile easily, for fixing rubber sleeve 3a, the inwall of this rubber sleeve 3a must be provided with overhead kick 32a (as shown in Figure 2), this thread sleeve pipe 4a is arranged in overhead kick 32a, in order to locate this rubber sleeve 3a.But this overhead kick 32a is difficult forming during fabrication, and the demoulding is difficult, expends man-hour, increases cost of production.

Therefore, designer of the present utility model improves thoughts on above-mentioned defective, is that the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.

The model utility content

Main purpose of the present utility model provides a kind of sand and dust protection runners device, and its structural design has the function of protection sand and dust, and moulding is easier to when rubber sleeve is made, and man-hour and cost of production are effectively saved in the easily demoulding.

In order to reach above-mentioned purpose, the utility model provides a kind of sand and dust protection runners device, comprising: one first pipe fitting; One second pipe fitting, an end of this second pipe fitting is arranged with a thread sleeve pipe, and an end spiral shell of this first pipe fitting is located in this thread sleeve pipe; One O type ring, this O type are located between this first pipe fitting and this thread sleeve pipe; And a rubber sleeve, this rubber sleeve is sheathed on outside this thread sleeve pipe.

The utlity model has following useful effect: the utility model sand and dust protection runners device is located between this first pipe fitting and this thread sleeve pipe by O type ring set, can reach the function of protection sand and dust, and needn't the moulding overhead kick when rubber sleeve is made, moulding was easier to when rubber sleeve was made, man-hour and cost of production are effectively saved in the easily demoulding.

In order further to understand feature of the present utility model and technology contents, see also following relevant for detailed description of the present utility model and accompanying drawing, yet appended accompanying drawing only for reference with the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the three-dimensional exploded view of known sand and dust protection runners device.

Fig. 2 is the sectional view of known sand and dust protection runners device.

Fig. 3 is the stereogram of the utility model sand and dust protection runners device.

Fig. 4 is the three-dimensional exploded view of the utility model sand and dust protection runners device.

Fig. 5 is the sectional view of the utility model sand and dust protection runners device.

Fig. 6 is another embodiment's of the utility model figure sand and dust protection runners device a three-dimensional exploded view.

Fig. 7 is another embodiment's of the utility model figure sand and dust protection runners device a sectional view.

[primary component description of reference numerals]

[known]

1a first pipe fitting

11a first spiro tooth part

2a second pipe fitting

The 21a perforate

The 3a rubber sleeve

The 31a protective hat

The 32a overhead kick

4a thread sleeve pipe

41a second spiro tooth part

The 5a retaining ring

The 51a dome

6a first collar

7a second collar

[the utility model]

1 first pipe fitting

11 grooves

12 first spiro tooth parts

2 second pipe fittings

21 perforates

3 thread sleeve pipes

31 second spiro tooth parts

4 O type rings

5 rubber sleeves

51 ratchets structure

6 retaining rings

61 domes

7 first collars

8 second collars

9 aluminium car spares

91 grooves

92 first spiro tooth parts

Embodiment

See also Fig. 3 to Fig. 5, the utility model provides a kind of sand and dust protection runners device, and this sand and dust protection runners device generally is applied to the tripod of photographic camera or projection camera, but also can be applied to the vehicle frame of bicycle.Sand and dust protection runners device includes: one first pipe fitting 1, one second pipe fitting 2, an O type ring 4 and a rubber sleeve 5, this first pipe fitting 1 is the aluminum hollow tube, in the present embodiment, the outer tube wall of first pipe fitting 1 is equipped with a groove 11 and one first spiro tooth part 12, this groove 11 is positioned at the root of first spiro tooth part 12, this first spiro tooth part 12 by an end place of first pipe fitting 1 earlier with the mould mouth that rises, make this place's external diameter be slightly larger than first pipe fitting 1 external diameter originally, with convenient processing, to the outer tube wall car system thread at this place, form first spiro tooth part 12 again.

This second pipe fitting 2 is slightly less than the aluminum hollow tube of first pipe fitting 1 for external diameter, and second pipe fitting 2 is arranged with a thread sleeve pipe 3 towards an end of first pipe fitting 1, and this thread sleeve pipe 3 is circular body, and the one end is close to this second pipe fitting 2 (as shown in Figure 5).The inner tubal wall of thread sleeve pipe 3 is equipped with one second spiro tooth part 31, in the present embodiment, first spiro tooth part 12 is positive thread, second spiro tooth part 31 is cloudy thread, first spiro tooth part 12 of this first pipe fitting 1 matches with second spiro tooth part 31 of thread sleeve pipe 3, make first pipe fitting 1 and second pipe fitting 2 relatively move the leg of extension tripod by rotation.

The annulus that this O type ring 4 is made for rubber, in the present embodiment, this O type ring 4 is located in the groove 11 of first pipe fitting 1, and O type ring 4 is resisted against between this first pipe fitting 1 and the thread sleeve pipe 3, first spiro tooth part 12 and second spiro tooth part 31 are isolated from the outside, prevent that earth or sand and dust from entering first spiro tooth part 12 and second spiro tooth part 31, causes wearing and tearing.

This rubber sleeve 5 is circular ring body, and outer surface is provided with a plurality of ratchet structures 51, grips in order to make things convenient for the user, and this rubber sleeve 5 closely is sheathed on outside the thread sleeve pipe 3.

Sand and dust protection runners is installed on and also has been installed with a retaining ring 6 (as shown in Figure 5) between this first pipe fitting 1 and second pipe fitting 2, this retaining ring 6 is the metal ring body, offer two relative perforates 21 on the tube wall of second pipe fitting 2, this retaining ring 6 has two relative domes 61, this two dome 61 is inserted into respectively in this two perforate 21, and second pipe fitting 2 is positioned.

The below of this retaining ring 6 is provided with one first collar 7, and the below of this first collar 7 is provided with one second collar 8, and this first collar 7 and second collar 8 are located between this first pipe fitting 1 and second pipe fitting 2, makes first pipe fitting 1 more firm with combining of second pipe fitting 2.

See also Fig. 6 and Fig. 7, three-dimensional exploded view and sectional view for another embodiment of the utility model sand and dust protection runners device, present embodiment and the foregoing description difference are: this first pipe fitting 1 is carbon fibre tube, because of the characteristic of carbon fibre tube material, first pipe fitting 1 can't be risen mouthful and car system thread.Therefore, these first pipe fitting, 1 one ends are installed with an aluminium car spare 9, for example coat first pipe fitting, 1 outer tube wall and aluminium car spare 9 inner tubal walls with glue, make it cemented again.This aluminium car spare 9 is the aluminum hollow tube, internal diameter is slightly larger than first pipe fitting 1, the outer tube wall of this aluminium car spare 9 is equipped with a groove 91 and one first spiro tooth part 92, this O type ring 4 is located in this groove 91, and this O type ring 4 is resisted against between this aluminium car spare 9 and the thread sleeve pipe 3, first spiro tooth part 92 and second spiro tooth part 31 are isolated from the outside, prevent that earth or sand and dust from entering first spiro tooth part 92 and second spiro tooth part 31.First spiro tooth part 92 of this aluminium car spare 9 matches with second spiro tooth part 31 of this thread sleeve pipe 3, makes first pipe fitting 1 and second pipe fitting 2 relatively move the leg of extension tripod by rotation.

The utility model sand and dust protection runners device is sheathed between this first pipe fitting 1 and the thread sleeve pipe 3 by O type ring 4, first spiro tooth part 12 and second spiro tooth part 31 are isolated from the outside, function with protection sand and dust, and needn't the moulding overhead kick when rubber sleeve 5 is made, moulding was easier to when rubber sleeve 5 was made, man-hour and cost of production are effectively saved in the easily demoulding.

But; the above preferable possible embodiments of the present utility model, non-so limit to scope of patent protection of the present utility model, the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes; all in like manner be contained in the protection domain of the present utility model explanation hereby.

Claims (3)

1, a kind of sand and dust protection runners device is characterized in that, includes:

One first pipe fitting;

One second pipe fitting, this second pipe fitting, one end is arranged with a thread sleeve pipe, and an end spiral shell of this first pipe fitting is located in this thread sleeve pipe;

One O type ring, this O type are located between this first pipe fitting and this thread sleeve pipe; And

One rubber sleeve, this rubber sleeve are sheathed on outside this thread sleeve pipe.

2, sand and dust protection runners device as claimed in claim 1, it is characterized in that, the outer tube wall of this first pipe fitting is equipped with a groove and one first spiro tooth part, this O type is located in this groove, this O type ring is resisted against between this first pipe fitting and this thread sleeve pipe, be provided with one second spiro tooth part in this thread sleeve pipe, this first spiro tooth part matches with this second spiro tooth part.

3, sand and dust protection runners device as claimed in claim 1, it is characterized in that, one end of this first pipe fitting is installed with an aluminium car spare, the outer tube wall of this aluminium car spare is equipped with a groove and one first spiro tooth part, this O type is located in this groove, this O type ring is resisted against between this aluminium car spare and this thread sleeve pipe, is provided with one second spiro tooth part in this thread sleeve pipe, and this first spiro tooth part matches with this second spiro tooth part.

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