CN215521531U - Umbrella stand type expansion screw - Google Patents

Abstract

The utility model discloses an umbrella stand type expansion screw, which comprises a screw rod, wherein a fixed pipe is arranged on one side of the screw rod, an expansion pipe is arranged on the screw rod, a nut and a gasket are arranged on the screw rod, an anti-dropping part is arranged on the fixed pipe and is positioned at the bottom of the fixed pipe, the anti-dropping part can be used for limiting the installation of the expansion pipe and can also be used for conveniently realizing the non-dropping of the fixed pipe and the expansion pipe in the disassembly process, the umbrella stand type expansion screw realizes the anti-dropping function between the expansion pipe and the fixed pipe by using the anti-dropping part, so that the expansion pipe and the fixed pipe need to be disassembled when the installation position is inaccurate, the expansion pipe and the expansion pipe are completely taken out, the gasket is easy to move in the installation process, even a certain angle is formed between the gasket and the position of the screw rod, the problem of influencing the installation stability is solved, and the installation stability and the disassembly are ensured, integrity of the fixed and expanded pipes.

Description

Umbrella stand type expansion screw

Technical Field

The utility model relates to the technical field of expansion screws, in particular to an umbrella stand type expansion screw.

Background

The expansion screw is formed by combining a conical screw rod, an expansion sleeve and a nut, the expansion screw is driven into the mounting hole by a hammer during mounting, the conical screw rod is pulled by screwing the nut by a wrench, so that the expansion sleeve deforms and expands, and the hole wall is extruded and fixed.

However, when the installation position is not correct, the expansion screw needs to be taken down, the expansion sleeve of the existing expansion screw is easily separated from the screw rod in the taking-out process, and the disassembly of the expansion screw is seriously affected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an umbrella frame type expansion screw, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an umbrella stand formula inflation screw, includes the screw rod, one side of screw rod is equipped with fixed pipe, be equipped with the inflation pipe on the screw rod, be equipped with nut and gasket on the screw rod, fixed pipe is equipped with anticreep piece, anticreep piece is located the bottom of fixed pipe, anticreep piece not only can be used for the limiting displacement to the inflation pipe installation, can also be convenient for realize in the dismantlement that fixed pipe and inflation pipe do not deviate from.

Preferably, be equipped with the auxiliary assembly spare on the screw rod, the cooperation nut realizes the pre-fixing action to the gasket in the installation, anticreep spare is including installing the stopper on fixed pipe, be equipped with the first sliding surface that leads on the stopper, one side of stopper is equipped with the gag lever post, the gag lever post is used for spacing the expansion pipe.

Preferably, the limiting rod penetrates through the expansion pipe CM.

Preferably, the auxiliary mounting spare is including installing the supplementary lid on the screw rod, supplementary covering is equipped with the go-between, be equipped with the elasticity cardboard on the go-between, the elasticity cardboard sets up the multiunit, just supplementary covering is equipped with places the platform, place the bench and be equipped with the limiting plate, the limiting plate sets up the multiunit, be equipped with on the gasket and dodge the groove, the gasket is spacing placing the bench through the limiting plate.

Preferably, the elastic clamping plate is provided with a second sliding guide surface.

Preferably, a hand-held plate is arranged on one side of the auxiliary cover.

Compared with the prior art, the utility model has the beneficial effects that:

the anti-falling part is utilized to realize the anti-falling function between the expansion pipe and the fixed pipe, so that the expansion pipe and the fixed pipe need to be disassembled when the installation position is inaccurate, the expansion pipe and the fixed pipe are taken out completely, the gasket is easy to move in the installation process, even a certain angle is formed between the gasket and the position of the screw rod, the stability of the installation of the expansion pipe is influenced, and the stability of the installation and the integrity of the fixed pipe and the expansion pipe in the disassembly process are ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is another perspective view of the present invention;

FIG. 3 is a schematic illustration of an exploded view of an integral part of the present invention;

fig. 4 is a schematic view of another angle partial explosion structure of the whole body of the present invention.

In the figure: 1-a screw; 2-fixing the tube; 3-expansion pipe; 4-a nut; 5-a gasket; 6-anti-falling part; 61-a limiting block; 62-a first leading slide surface; 63-a limiting rod; 7-an auxiliary mount; 71-an auxiliary cover; 711-hand-held board; 72-a connecting ring; 73-elastic snap-gauge; 731-second leading and sliding surface; 74-placing table; 75-a limiting plate; 76-avoiding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an umbrella stand formula inflation screw, includes screw rod 1, one side of screw rod 1 is equipped with fixed pipe 2, be equipped with inflation pipe 3 on the screw rod 1, be equipped with nut 4 and gasket 5 on the screw rod 1, fixed pipe 2 is equipped with anticreep piece 6, anticreep piece 6 is located the bottom of fixed pipe 2, anticreep piece 6 not only can be used for the limiting displacement to the installation of inflation pipe 3, can also be convenient for realize fixed pipe 2 and inflation pipe 3 in the dismantlement and do not break away from.

Be equipped with auxiliary fitting spare 7 on the screw rod 1, cooperation nut 4 realizes the pre-fixing action to gasket 5 in the installation, anticreep spare 6 is including installing stopper 61 on fixed pipe 2, be equipped with the first slip face 62 that leads on stopper 61, one side of stopper 61 is equipped with gag lever post 63, gag lever post 63 is used for 3 spacings expanding pipe, at first inserts screw rod 1 in the mounting hole, and the first slip face 62 that leads is convenient for to screw rod 1's backsliding effect, stopper 61's volume is greater than the logical groove of seting up on the expanding pipe 3 to expanding pipe 3 opens the angle after, can carry out limiting displacement to it, when taking out it, expanding pipe 3 is spacing in stopper 61 department all the time.

The limiting rod 63 penetrates through the expansion pipe 35CM, so that the expansion pipe 3 can play a limiting role in primary movement, and after the expansion pipe 3 expands, the limiting rod 63 does not influence the expansion angle of the expansion pipe 3.

Supplementary installed part 7 is including installing supplementary lid 71 on screw rod 1, be equipped with go-between 72 on supplementary lid 71, be equipped with elasticity cardboard 73 on the go-between 72, elasticity cardboard 73 sets up the multiunit, installs elasticity cardboard 73 downthehole treating the installation, just be equipped with on supplementary lid 71 and place platform 74, it is equipped with limiting plate 75 on the platform 74 to place, limiting plate 75 sets up the multiunit, be equipped with on the gasket 5 and dodge groove 76, the gasket 5 is spacing in placing platform 74 through limiting plate 75, rotates gasket 5 again, makes its straining in placing platform 74, does not take place to rotate, realizes its pre-fixing effect, has reduced and has directly placed the problem that the 5 perks of gasket appear in the hole and influence the installation stability.

The elastic clamping plate 73 is provided with a second sliding guide surface 731, the elastic clamping plate 73 is inserted into a hole to be installed, the elastic clamping plate 73 has certain elasticity and is outwards unfolded, the fixing effect is achieved, and the sliding guide surface facilitates guiding of the elastic clamping plate 73.

One side of the auxiliary cover 71 is provided with a handheld plate 711, and the handheld plate 711 is provided with anti-skid lines for increasing friction during installation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An umbrella stand type expansion screw comprises a screw rod (1), wherein a fixed pipe (2) is arranged on one side of the screw rod (1), an expansion pipe (3) is arranged on the screw rod (1), and a nut (4) and a gasket (5) are arranged on the screw rod (1);

the method is characterized in that: fixed pipe (2) are equipped with anticreep spare (6), anticreep spare (6) are located the bottom of fixed pipe (2), anticreep spare (6) are used for the limiting displacement to expansion pipe (3) installation, realize not breaking away from of fixed pipe (2) and expansion pipe (3).

2. An umbrella frame type expansion screw according to claim 1, wherein: the screw rod (1) is provided with an auxiliary mounting part (7), and the gasket (5) is pre-fixed by matching with the nut (4) during mounting;

the anti-falling part (6) comprises a limiting block (61) installed on the fixed pipe (2), a first guide sliding surface (62) is arranged on the limiting block (61), a limiting rod (63) is arranged on one side of the limiting block (61), and the limiting rod (63) is used for limiting the expansion pipe (3).

3. An umbrella frame type expansion screw according to claim 1, wherein: the limiting rod (63) penetrates through the expansion pipe (3) at the position of 5 CM.

4. An umbrella frame type expansion screw according to claim 2, wherein: supplementary installed part (7) are including installing supplementary lid (71) on screw rod (1), be equipped with go-between (72) on supplementary lid (71), be equipped with elasticity cardboard (73) on go-between (72), elasticity cardboard (73) set up the multiunit, just be equipped with on supplementary lid (71) and place platform (74), it is equipped with limiting plate (75) on platform (74) to place, limiting plate (75) set up the multiunit, be equipped with on gasket (5) and dodge groove (76), gasket (5) are spacing in placing platform (74) through limiting plate (75).

5. An umbrella frame type expansion screw according to claim 4, wherein: the elastic clamping plate (73) is provided with a second sliding guide surface (731).

6. An umbrella frame type expansion screw according to claim 1, wherein: a handheld plate (711) is arranged on one side of the auxiliary cover (71).

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