CN219755939U - Foot rest capable of exhausting - Google Patents

Abstract

The utility model relates to the technical field of photographic equipment and discloses an exhaust foot rest. The exhaust foot rest comprises a seat body, a sleeve assembly and a driving assembly; the upper end of the base body is provided with photographic equipment, the sleeve assembly is arranged at the lower end of the base body and comprises a plurality of hollow sleeves which are sleeved with each other and can move along the axial direction; the driving assembly is arranged on the base body and comprises a locking assembly, and the locking assembly is used for locking or releasing the sleeve assembly; and the sleeve assembly and/or the seat body are/is provided with an exhaust structure which is used for exhausting air in the sleeve assembly so that each sleeve can move smoothly. The utility model improves the structure of the foot rest, so that the gas in the foot rest is smoothly discharged, the stability is not lost, the smoothness of the use of the tube legs is improved, and the use efficiency of the product is improved.

Description

Foot rest capable of exhausting

Technical Field

The utility model relates to the technical field of photographic equipment, in particular to an exhaust foot rest.

Background

In the patent number CN218208812U, each sleeve in the tripod is sleeved with each other, so that a closed space is formed between two sleeves, when two adjacent sleeves move axially, the gas in the closed space cannot be smoothly discharged due to the existence of the closed space, and the volume of the closed space changes when the sleeves move axially, so that the gas pressure changes, and a pressure difference exists between the inside and the outside of the sleeves, so that the sleeve is not smooth to move.

Disclosure of Invention

The technical problem to be solved by the utility model is to improve the structure of the foot rest so that the gas in the foot rest is smoothly discharged, and the smoothness of the use of the tube legs is improved while the stability is not lost so as to improve the use efficiency of the product.

In order to solve the problems, the utility model provides an exhaust foot stool, which comprises a seat body, a sleeve assembly and a driving assembly; the upper end of the base body is provided with photographic equipment, the sleeve assembly is arranged at the lower end of the base body and comprises a plurality of hollow sleeves which are sleeved with each other and can move along the axial direction; the driving assembly is arranged on the base body and comprises a locking assembly, and the locking assembly is used for locking or releasing the sleeve assembly; and the sleeve assembly and/or the seat body are/is provided with an exhaust structure which is used for exhausting air in the sleeve assembly so that each sleeve can move smoothly.

Preferably, the driving assembly further comprises a first bevel gear, a second bevel gear and a transmission rod, the first bevel gear is fixed at the top end of the transmission rod, the second bevel gear is rotatably arranged on the base body and meshed with the first bevel gear, and the second bevel gear pushes the first bevel gear to drive the transmission rod to rotate so as to drive the locking assembly to lock or release the sleeve assembly.

Preferably, a first exhaust hole is formed in the side wall of the seat body, and the first exhaust hole is of the exhaust structure; the transmission rod is arranged in a hollow mode, the first bevel gear is provided with a through hole which penetrates through the transmission rod, and the first exhaust hole and the through hole are communicated with the hollow inside of the transmission rod.

Preferably, the locking assembly is sleeved on the transmission rod, and when the transmission rod rotates, the transmission rod drives the locking assembly to extrude the inner wall of the sleeve so as to lock the sleeve.

Preferably, a first exhaust hole is formed in the side wall of the seat body, and the first exhaust hole is of the exhaust structure; the edge of the transmission rod is provided with a longitudinally penetrating air guide strip, and the first exhaust hole and the through hole are communicated with the air guide strip.

Preferably, the sleeve assembly is far away from one end of the base body, a tight sleeve ring is sleeved between two adjacent sleeves, at least one tight sleeve ring is provided with a second exhaust hole, the second exhaust hole is used for communicating a gap between two adjacent sleeves and an external environment, and the second exhaust hole is the exhaust structure.

Preferably, a third exhaust hole is arranged at the bottom end, far away from the seat body, of the sleeve pipe sleeved at the innermost side, and the third exhaust hole is the exhaust structure.

Preferably, the sleeve assembly is further provided with a support leg at one end far away from the base, and the support leg is arranged at one end far away from the base on the sleeve sleeved at the innermost side.

Preferably, the driving assembly further comprises a handle, two ends of the handle are respectively fixed at two ends of the second bevel gear along the axial direction, and the second bevel gear is rotationally connected with the seat body.

Preferably, the through hole is provided in a direction parallel to an axis of the first bevel gear.

Compared with the prior art, the utility model has at least one of the following beneficial technical effects:

the first bevel gear is pushed to rotate through the second bevel gear, and then the transmission rod drives the locking component to rotate, so that the locking component locks or releases the sleeve component. The transmission rod is provided with a hollow structure communicated with the sleeve assembly, so that gas in the sleeve assembly can flow from the transmission rod to the seat body, and then the external environment is discharged from the seat body, so that an exhaust path between the sleeve assembly and the seat body is formed, the gas in the sleeve assembly is discharged, and the smoothness of the extension and retraction of the sleeve assembly is improved; meanwhile, an exhaust structure is arranged on the sleeve assembly to increase the exhaust path of the sleeve assembly, so that the exhaust efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an overall structure of an inflatable stand according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an inflatable stand in accordance with an embodiment of the present utility model.

Fig. 3 is an enlarged view of fig. 2.

Fig. 4 is a schematic view of a part of a structure of an inflatable stand according to an embodiment of the present utility model.

Fig. 5 is a schematic view of another partial structure of an inflatable stand according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of an air guide strip according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a base; 11. a first exhaust hole; 2. a sleeve assembly; 21. a sleeve; 211. an outer tube; 212. a first inner tube; 213. a second inner tube; 2131. a third exhaust hole; 22. a support leg; 3. a drive assembly; 31. a first bevel gear; 32. a second bevel gear; 33. a locking assembly; 331. a first shaft member; 332. a second shaft member; 34. a transmission rod; 341. an air guide strip; 35. a handle; 4. abutting the ferrule; 41. and a second exhaust hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1 and 2, an embodiment of the present utility model provides an inflatable stand, which includes a base 1, a sleeve assembly 2 and a driving assembly 3. The upper end of the base body 1 is used for installing photographic equipment, the sleeve assembly 2 is arranged at the bottom end of the base body 1, the sleeve assembly 2 comprises a plurality of sleeves 21 which are arranged in a hollow mode and sleeved with each other, and the sleeves 21 can move along the axial direction; on the sleeve assembly 2, or be provided with exhaust structure respectively between sleeve assembly 2 and the pedestal 1, exhaust structure is used for discharging the inside air of sleeve assembly 2, reduces the pressure differential between each sleeve 21 in sleeve assembly 2 to make each sleeve 21 can smoothly remove the flexible.

Specifically, the driving assembly 3 is arranged on the base 1, and the driving assembly 3 comprises a first bevel gear 31 fixedly arranged at the top end of the sleeve assembly 2, a second bevel gear 32 rotatably arranged on the base 1 and in meshed connection with the first bevel gear 31, a transmission rod 34 and a locking assembly 33; the locking component 33 is respectively connected with the transmission rod 34 and the sleeve component 2, and the second bevel gear 32 is used for pushing the first bevel gear 31 to drive the transmission rod 34 to rotate, so that the transmission rod 34 drives the locking component 33 to lock or release the sleeve component 2.

In the present embodiment, three sleeves 21 are provided, which are an outer tube 211, a first inner tube 212, and a second inner tube 213, respectively. Wherein, the top end of the outer tube 211 is fixed with the bottom end of the seat body 1, the first inner tube 212 is slidably sleeved in the outer tube 211, and the second inner tube 213 is slidably sleeved in the first inner tube 212. The sleeve assembly 2 further comprises a support leg 22, the support leg 22 is fixedly connected to one end of the second inner tube 213, which is far away from the seat body 1, the support leg 22 is arranged to promote the stability of the support leg, and meanwhile, the second inner tube 213 can be protected, so that dust or fine foreign matters on the ground can be prevented from entering the second inner tube 213, the inner structure of the support leg is damaged, and the service life of the sleeve 21 is prolonged.

More specifically, the first bevel gear 31 is fixed to the top end of the transmission rod 34, and the bottom end of the transmission rod 34 is inserted into the middle of the sleeve 21. The locking assembly 33 comprises a first shaft member 331 and a second shaft member 332, wherein the first shaft member 331 is fixed at one end of the first inner tube 212 close to the base 1, the first shaft member 331 is slidably sleeved on the transmission rod 34, and the first shaft member 331 can press the inner wall of the outer tube 211 to lock the first inner tube 212 and the outer tube 211; the second shaft member 332 is fixed to one end of the second inner tube 213 near the base 1, and the second shaft member 332 is slidably sleeved on the transmission rod 34, where the second shaft member 332 can press the inner wall of the first inner tube 212 to lock the second inner tube 213 and the first inner tube 212.

In the present embodiment, the first shaft member 331 and the second shaft member 332 have the same structure and the same operation principle, and the structure and operation principle of the first shaft member 331 and the second shaft member 332 are briefly described herein by taking the first shaft member 331 as an example. The first shaft 331 includes a rotating member, a first moving member, a second moving member, a spring, a first abutting member, a second abutting member, two fixing bases, and two abutting rings. Wherein, the rotating piece is rotationally connected with the fixed seat, and the transmission rod 34 drives the rotating piece to keep consistent circumferential movement; the first moving part and the second moving part are respectively sleeved on the outer side wall of the rotating part and are in threaded connection, the two abutting rings are respectively sleeved on the outer parts of the upper fixing seat and the lower fixing seat, the first abutting part is sleeved on the outer part of the upper abutting ring and abuts against the first moving part, the second abutting part is sleeved on the outer part of the lower abutting ring and abuts against the second moving part; the spring is sleeved outside the first moving part and the second moving part, and two ends of the spring are respectively abutted with the first abutting part and the second abutting part.

In order to realize the locking and unlocking functions of the first shaft member 331 and the second shaft member 332, the outer wall of the upper abutting ring is provided with a first inclined surface which is obliquely arranged from top to bottom towards the direction approaching the transmission rod 34, and the outer wall of the lower abutting ring is provided with a second inclined surface which is obliquely arranged from bottom to top towards the direction approaching the transmission rod 34; meanwhile, the first abutting piece and the second abutting piece are respectively provided with a limiting groove, and a plurality of balls are arranged in the limiting grooves. When the first shaft 331 is in a locked state, two opposite sides of the ball are respectively abutted against the outer wall of the first abutting part, the outer wall of the second abutting part and the inner wall of the outer tube 211; when the first shaft 331 needs to be unlocked, the driving rod 34 drives the rotating member to rotate, and the first moving member and the second moving member are respectively in threaded connection with the rotating member and are close to each other, so as to drive the first abutting member and the second abutting member to be close to each other, and further the balls roll from the outer wall of the first abutting member to the first inclined plane and from the outer wall of the second abutting member to the second inclined plane, so that the extrusion of the balls to the inner wall of the outer tube 211 is eliminated, and the unlocking of the first inner tube 212 and the outer tube 211 is realized.

It should be understood that the arrangement and operation of the first shaft member 331 and the second shaft member 332 are consistent with those of the transmission member and the locking assembly in the chinese patent with CN218208812U, and the foregoing is only briefly described and is not repeated herein.

Referring to fig. 3 to 6, a first exhaust hole 11 is formed through an outer sidewall of the base 1, the first exhaust hole 11 communicates with an external environment and the base 1, and the first exhaust hole 11 is one of exhaust structures. In this embodiment, the transmission rod 34 is arranged hollow along its central axis, and the first bevel gear 31 is provided with a through hole penetrating through its central axis, and the through holes are respectively communicated with the hollow interiors of the base 1 and the transmission rod 34; in other embodiments, the transmission rod 34 may further be provided with an air guide strip 341 along two longitudinal sides, and the first exhaust hole 11 and the through hole are connected with the air guide strip 341, or may be configured as other breathable structures. Here, the gas in the second inner tube 213 may flow from the inside of the transmission rod 34 to the first bevel gear 31 and then be discharged from the first exhaust hole 11 to the outside environment, so as to form a first exhaust path of the gas inside the sleeve assembly 2.

Further, a tightening ring 4 is sleeved at one end of the sleeve assembly 2 away from the seat body 1 and between two adjacent sleeves 21, specifically, the tightening ring 4 is sleeved between the outer tube 211 and the first inner tube 212 and between the first inner tube 212 and the second inner tube 213 respectively; in order to facilitate the exhaust, a second exhaust hole 41 is arranged on each abutting ferrule 4, and the second exhaust hole 41 is communicated with the gap between two adjacent sleeves 21 and the external environment; meanwhile, a third exhaust hole 2131 is formed in the bottom end of the second inner tube 213, which is far from the seat body 1, and the second exhaust hole 41 and the third exhaust hole 2131 are also exhaust structures.

Thus, the gas in the second inner tube 213 can enter the first inner tube 212 from the gap between the first inner tube 212 and the second inner tube 213, then enter the gap between the outer tube 211 and the first inner tube 212 from the first inner tube 212, and exit the external environment through the second exhaust hole 41 on the abutment ring 4 of the gap, forming a second exhaust path for the gas inside the sleeve assembly 2; meanwhile, the gas in the first inner tube 212 and the second inner tube 213 can also enter the gap between the first inner tube 212 and the second inner tube 213, and is discharged out of the external environment through the second exhaust hole 41 positioned on the abutting ferrule 4 of the gap, so as to form a third exhaust path of the gas in the sleeve assembly 2; in addition, the gas in the second inner tube 213 can be exhausted from the external environment through the third exhaust hole 2131 to form a fourth exhaust path for the gas in the sleeve assembly 2, so as to improve the smoothness of expansion and contraction of the first inner tube 212 and the second inner tube 213.

In addition, in order to facilitate driving the second bevel gear 32 to rotate, the driving assembly 3 further includes a handle 35, two ends of the handle 35 are respectively fixed at two ends of the second bevel gear 32 along the axial direction, and the second bevel gear 32 is rotatably connected with the base 1. The second bevel gear 32 is driven to rotate by the rotating handle 35, so that the second bevel gear 32 is meshed with the first bevel gear 31 to drive the first bevel gear 31 and the transmission rod 34 to rotate, and the rotation of the transmission rod 34 drives the locking assembly 33 to rotate, so that unlocking of the sleeve assembly 2 is realized, and the telescopic sleeve assembly 2 is facilitated.

The embodiment of the utility model provides an implementation principle of an exhaust foot rest, which comprises the following steps: the transmission rod 34 is provided with a hollow structure communicated with the sleeve assembly 2, so that gas in the sleeve assembly 2 can flow from the transmission rod 34 to the seat body 1 and then be discharged out of the external environment through the first exhaust hole 11 of the seat body 1; by sleeving the abutting ferrules 4 between the two adjacent sleeves 21, a second exhaust hole 41 is formed in each abutting ferrule 4, and the gas in the sleeve assembly 2 can be exhausted out of the external environment through the second exhaust hole 41; a third exhaust hole 2131 is formed at an end of the second inner tube 213 remote from the base 1, and the gas in the second inner tube 213 can be exhausted out of the external environment through the third exhaust hole 2131. Accordingly, a plurality of exhaust paths are added to exhaust the gas in the sleeve assembly 2, thereby improving the smoothness of expansion and contraction of the first inner tube 212 and the second inner tube 213 and improving the exhaust efficiency.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. An exhaust foot rest, which is characterized in that: comprises a seat body (1), a sleeve assembly (2) and a driving assembly (3);

the upper end of the base body (1) is provided with photographic equipment, the sleeve assembly (2) is arranged at the lower end of the base body (1), and the sleeve assembly (2) comprises a plurality of sleeves (21) which are arranged in a hollow mode, mutually sleeved and axially movable;

the driving assembly (3) is arranged on the base body (1), the driving assembly (3) comprises a locking assembly (33), and the locking assembly (33) is used for locking or releasing the sleeve assembly;

the sleeve assembly (2) and/or the seat body (1) are/is provided with an exhaust structure which is used for exhausting air in the sleeve assembly (2) so that each sleeve (21) can move smoothly.

2. An inflatable stand according to claim 1, wherein the driving assembly (3) further comprises a first bevel gear (31), a second bevel gear (32) and a transmission rod (34), the first bevel gear (31) is fixed at the top end of the transmission rod (34), the second bevel gear (32) is rotatably arranged on the base (1) and is meshed with the first bevel gear (31), and the second bevel gear (32) pushes the first bevel gear (31) to drive the transmission rod (34) to rotate so as to drive the locking assembly (33) to lock or release the sleeve assembly (2).

3. The foot stool capable of exhausting according to claim 2, wherein a first exhaust hole (11) is formed in the side wall of the seat body (1), and the first exhaust hole (11) is of the exhaust structure; the transmission rod (34) is arranged in a hollow mode, the first bevel gear (31) is provided with a through hole penetrating through the transmission rod, and the first exhaust hole (11) and the through hole are communicated with the hollow inside of the transmission rod (34).

4. An inflatable foot rest according to claim 2, wherein the locking assembly (33) is sleeved on the transmission rod (34), and when the transmission rod (34) rotates, the transmission rod (34) drives the locking assembly (33) to press the inner wall of the sleeve (21) so as to lock the sleeve (21).

5. A foot stool capable of exhausting according to claim 3, wherein the side wall of the seat body (1) is provided with a first exhaust hole (11), and the first exhaust hole (11) is of the exhaust structure; the edge of the transmission rod (34) is provided with a longitudinally penetrating air guide strip (341), and the first exhaust hole (11) and the through hole are communicated with the air guide strip (341).

6. An inflatable foot rest according to any of claims 2 to 4, wherein the sleeve assembly (2) is arranged at one end far away from the seat body (1) and is sleeved with a tightening sleeve ring (4) between two adjacent sleeves (21), at least one tightening sleeve ring (4) is provided with a second exhaust hole (41), the second exhaust hole (41) is used for communicating a gap between two adjacent sleeves (21) and an external environment, and the second exhaust hole (41) is the exhaust structure.

7. The stand according to claim 5, wherein a third vent hole (2131) is provided at a bottom end of the sleeve (21) disposed at an innermost side and away from the base body (1), and the third vent hole (2131) is the vent structure.

8. An inflatable foot rest according to claim 1, characterized in that the end of the sleeve assembly (2) remote from the seat (1) is further provided with a foot (22), said foot (22) being arranged at the end of the sleeve (21) located furthest inwards, remote from the seat (1).

9. An inflatable stand according to claim 2, wherein the driving assembly (3) further comprises a handle (35), both ends of the handle (35) are respectively fixed to both ends of the second bevel gear (32) along the axial direction, and the second bevel gear (32) is rotatably connected with the base (1).

10. A ventable foot stool according to claim 3, wherein the through hole is arranged in a direction parallel to the axis of the first bevel gear (31).