CN217301202U - Height adjusting screw, electric wrench head and electric tool - Google Patents

Abstract

The utility model discloses a height adjusting screw, an electric wrench head and an electric tool, the height adjusting screw comprises a thread bush and a screw, the screw runs through the thread bush and is in thread fit with the thread bush, the relative position of the screw and the thread bush can be adjusted, the outer wall of the thread bush is provided with a thread, and the end part of the thread bush is provided with an operating ring; the edges of two opposite sides of the operating ring are parallel to each other and are straight edges. The electric wrench head comprises a connecting rod, a stop block and a clamping limit plate, wherein the U-shaped groove is used for limiting the operating ring of the threaded sleeve, so that the clamping limit plate can drive the threaded sleeve to rotate. The height adjusting screw is suitable for outdoor tables and chairs made of metal; the electric wrench head is convenient to install the height adjusting screw and cannot scrape a coating on the installation position. The electric tool has wide application range.

Description

Height adjusting screw, electric wrench head and electric tool

Technical Field

The utility model relates to an electric operating tool technical field especially relates to a height adjusting screw, electric wrench head and electric tool.

Background

In order to stably place the furniture and the household appliances, height adjusting parts are usually installed at the bottoms of the furniture and the household appliances, threaded sleeves are usually embedded at four corners of the bottoms of the furniture and the household appliances, then screws with supporting nuts are screwed into the threaded sleeves, and the furniture and the household appliances are stably placed without shaking by adjusting the lengths of the screws screwed into the threaded sleeves.

The mode of foretell this kind of pre-buried thread bush for thread bush and furniture or household electrical appliances are interference fit, are fit for installing in the furniture or the household electrical appliances shell of wooden and plastics material, but when the outdoor table chair bottom installation height-adjusting spare of metal material, are difficult to adopt this pre-buried thread bush.

On the other hand, outdoor table chair can be smooth bright at the surface usually, or paint or set up other anticorrosive coatings on the surface, in the assembling process, scrape colored coating easily or scrape colored installation position surface when adopting the spanner to screw the screw, produce the damage, this is because the handle of spanner is usually in one side of screw, need take off the spanner after the spanner drives the screw rotation certain angle, conversion spanner angle continues rotatory screw, until the screw is screwed in the installation position, in the process of many times angle regulation of spanner, scrape colored surface of installation position department easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a height adjusting screw, the outer wall of thread bush also has the screw thread, and the thread bush sets up in the installation position with threaded connection mode, is applicable to and installs in the outdoor table chair bottom of metal material, installs firmly and installs easy operation.

Another object of the utility model is to provide an electronic spanner head suitable for height adjusting screw, the operation ring card is gone into U type groove and can be driven the thread bush rotatory, simple to operate and can not scrape the coating of flower installation position department.

Another object of the present invention is to provide an electric tool, wherein the electric wrench head is detachably mounted as one of the working components, and the application range is wide.

To achieve the purpose, the utility model adopts the following technical proposal:

a height adjusting screw comprises a threaded sleeve and a screw, wherein the screw penetrates through the threaded sleeve and is in threaded fit with the threaded sleeve, the relative position of the screw and the threaded sleeve is adjustable, threads are arranged on the outer wall of the threaded sleeve, and an operating ring is arranged at the end part of the threaded sleeve;

the edges of two opposite sides of the operating ring are parallel to each other and are straight edges.

An electric wrench head is used for screwing the height adjusting screw at an installation position and comprises a connecting rod, a stop block and a clamping limit plate, wherein one side of the stop block is fixedly connected with the connecting rod, and the other side of the stop block is connected with the clamping limit plate through a connecting sheet;

an abdicating space for accommodating a screw cap of the screw is arranged between the stop block and the clamping and limiting plate, the clamping and limiting plate is provided with a U-shaped groove, the U-shaped groove penetrates through a plurality of clamping and limiting plates, and an opening of the U-shaped groove is positioned at the edge of the clamping and limiting plate;

the distance between the edges of the two opposite sides of the operating ring corresponds to the groove width of the U-shaped groove, and the U-shaped groove is used for limiting the operating ring of the threaded sleeve, so that the limiting plate can drive the threaded sleeve to rotate.

Furthermore, the clamping and limiting plate is parallel to the stop block;

the clamping limit plate and the stop block are perpendicular to the connecting piece.

Furthermore, the clamping and limiting plate is circular, and the stop block is cylindrical;

the clamping and limiting plate and the stop block are coaxially arranged.

Furthermore, the circle center corresponding to the arc-shaped groove bottom of the U-shaped groove, the center of the clamping and limiting plate, the central axis of the stop block and the central axis of the connecting rod are positioned on the same straight line.

Furthermore, a flexible material layer is arranged on one side surface of the clamping limit plate close to the stop block;

the thickness of the clamping plate is smaller than or equal to that of the operation ring.

Furthermore, a limiting groove is formed in one side, close to the clamping and limiting plate, of the stop block, the limiting groove is U-shaped and parallel to the U-shaped groove, and the groove width of the limiting groove is larger than that of the U-shaped groove;

the inner wall of spacing groove is equipped with flexible card limit layer, flexible card limit layer be used for with the nut interference fit of screw.

An electric tool comprises a driving body with a handle and a working assembly, wherein the working assembly comprises a drill rod, a screwdriver rod and the electric wrench head;

the power take off end of drive body is equipped with the pivot of taking the rectangular hole, the tip of connecting rod is rectangular rod shape, the connecting rod through rectangular rod shape tip with take the rectangular hole the pivot can be dismantled and be connected.

The utility model provides a technical scheme can include following beneficial effect:

the outer wall of the threaded sleeve of the height adjusting screw is in threaded fit with the mounting position, so that the threaded sleeve is more stable to mount and is suitable for being mounted at the bottom of furniture or household appliances made of metal materials.

The electric wrench head has a space for yielding the screw of the screw, so that the mounting efficiency of the adjusting screw can be improved, and the surface of the mounting position can be prevented from being scratched.

This electric spanner's electric spanner head demountable installation can change electric spanner head according to adjusting screw's model in the drive body of taking the handle, and application scope is wide.

Drawings

Fig. 1 is a schematic structural view of a height adjusting screw according to an embodiment of the present invention;

FIG. 2 is a schematic view of an operating ring of the height adjustment screw of FIG. 1;

fig. 3 is a schematic structural view of an electric wrench head according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an electric wrench head according to another embodiment of the present invention;

fig. 5 is a schematic structural view of an electric tool according to an embodiment of the present invention;

wherein, height adjusting screw 01, thread bush 011, operation ring 012, screw 013, nut 014, electronic spanner head 02, connecting rod 021, dog 022, spacing groove 0221, flexible card limit layer 0222, card limit board 023, U type groove 0231, connection piece 024, electric tool 03, drive body 031, pivot 032, rectangular hole 033.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A height adjusting screw, an electric wrench head, and an electric tool according to an embodiment of the present invention will be described with reference to fig. 1 to 5.

The embodiment provides a height adjusting screw 01, which comprises a threaded sleeve 011 and a screw 013, wherein the screw 013 penetrates through the threaded sleeve 011 and is in threaded fit with the threaded sleeve 011, the relative position of the screw 013 and the threaded sleeve 011 is adjustable, the outer wall of the threaded sleeve 011 is provided with threads, and the end part of the threaded sleeve 011 is provided with an operating ring 012; the opposite side edges of the operating ring 012 are parallel to each other and are all straight edges.

When the height adjusting screw 01 is installed, a threaded hole is formed in an installation position, so that the screw 013 and the threaded sleeve 011 are in an assembled state, and then the operating ring 012 is clamped by a wrench to screw the threaded sleeve 011 into the threaded hole. The opposite side edges of the operating ring 012 are parallel to each other and are all straight edges, so as to facilitate the operation ring 012 to be clamped into a wrench and the wrench to apply force to the thread bush. The outer wall of the threaded sleeve 011 of the height adjusting screw 01 is in threaded fit with the installation position, so that the threaded sleeve 011 is more stably installed and is suitable for being installed at the bottom of metal furniture or household appliances.

Correspondingly, the embodiment further provides an electric wrench head 02, the electric wrench head 02 is used for screwing the height adjusting screw 01 to the mounting position, the electric wrench head 02 comprises a connecting rod 021, a stop block 022 and a clamping limit plate 023, one side of the stop block 022 is fixedly connected with the connecting rod 021, and the other side of the stop block 022 is connected with the clamping limit plate 023 through a connecting piece 024;

an abdicating space for accommodating a nut 014 of the screw 013 is arranged between the stop block 022 and the clamping limit plate 023, the clamping limit plate 023 is provided with a U-shaped groove 0231, the U-shaped groove 0231 penetrates through a plurality of clamping limit plates 023, and an opening of the U-shaped groove 0231 is positioned at the edge of the clamping limit plate 023;

the distance of the relative both sides edge of operation ring 012 is corresponding with the groove width of U type groove 0231, and U type groove 0231 is used for spacing to the operation ring 012 of thread bush 011, makes card limit plate 023 can drive the thread bush 011 rotation.

This electric wrench head 02 is when using, and in U type groove 0231 was gone into to the operation ring card of height adjusting screw 01, simultaneously, nut 014 of screw 013 was located between card limit board 023 and dog 021, and later, electric wrench head 02 drives the screw sleeve 011 through operation ring 012 and screws into the screw hole of installation position. Based on card limit board 023 is located the one side that card limit board 023 deviates from high adjusting screw 01 installation position to the card limit effect and the connecting rod 021 of operating ring 011, this electric wrench head 02 can avoid the contact installation position at the in-process of screwing thread bush 011, can not scrape the surface of flower installation position department, moreover, operating ring 012 card goes into electric wrench head 02 back, electric wrench head 02 drives operating ring 012 rotation and just takes off electric wrench head 02 after the installation position until thread bush 011 screws, more can avoid the spanner to cooperate the screw repeatedly and scrape the surface of flower installation position department. Therefore, the electric wrench head 02 can not only improve the installation efficiency of the height adjusting screw 01, but also prevent the surface of the installation position from being scratched.

Specifically, the U-shaped groove 0231 penetrates through the plate 023 in the thickness direction, and an opening of the U-shaped groove 0231 is located at an edge of the plate 023 so that the operation ring is engaged into the U-shaped groove 0231. In this embodiment, the connecting rod 021, the dog 022, the card limit board 023 and the connecting piece 024 all realize fixed connection through the welding. In other embodiments, the connecting rod 021, the stopper 022, the retainer plate 023 and the connecting piece 024 are integrally formed by casting.

In order to make the wrench head 02 easily align with the operating ring 012, the plate 023 is parallel to the stopper 022; card limit board 023 and dog 022 all are perpendicular to connection piece 024, and this is just so that the operation ring 012 of height adjusting screw 01 blocks into in U type groove 0231 more easily, and in addition, U type groove 0231 is more stable to the card limit of operation ring 012, and operation ring 012 is difficult for the dislocation, reaches better anti-scratch flower installation position effect.

Further, the limiting plate 023 is circular, and the stopper 022 is cylindrical; the retaining plate 023 and the stopper 022 are coaxially disposed. Therefore, the whole electric wrench head 02 is of a central symmetrical structure, and the operation is stable during rotation. Preferably, the diameter of the board 023 and the diameter of the block 022 are the same, so that the board 023 and the block 022 are easier to align during processing.

In order to make the operation of screwing the height adjusting screw 01 smoother, the center of the arc-shaped groove bottom of the U-shaped groove 0231, the center of the limiting plate 023, the central axis of the stop block 022 and the central axis of the connecting rod 021 are located on the same straight line. After the operation ring 012 is clamped into the bottom of the U-shaped groove 0231, the central line axis of the threaded sleeve 011 can correspond to the central axis of the connecting rod 021, so that when the connecting rod 021 rotates, the rotating shafts of the connecting rod 021 and the threaded sleeve 011 are approximately kept consistent, the rotation is more stable, and the installation process of the height adjusting screw 01 is smoother and the installation effect is good.

Because the nut 014 of screw 013 has set up the lacquer layer outward, in order to prevent that the lacquer layer from being scraped the flower, the card limit board 023 is equipped with the flexible material layer near the side of dog 022, gets into U type groove 0231 in the operation ring 012 and prevents to scrape colored nut 014 in screwing the thread bush 011 process. Further, the thickness of card limit plate 023 is less than or equal to the thickness of operation ring 012, and this makes, and the bottom face of thread bush 011 can stretch out outside U type groove 0231, and when thread bush 011 is screwed after the installation position, can leave the clearance between the bottom face of card limit plate 023 and the installation position, and this can further prevent that the card limit plate from scraping colored installation position surface.

In order to ensure the installation consistency of the height adjusting screw 01, furthermore, a limiting groove 0221 is arranged on one side of the stop block 022, which is close to the clamping plate 023, the limiting groove 0221 is U-shaped and is parallel to the U-shaped groove 0231, and the width of the limiting groove 0221 is greater than that of the U-shaped groove 0231; the inner wall of spacing groove 0221 is equipped with flexible card limit layer 0222, and flexible card limit layer 0222 is used for with nut 014 interference fit of screw 013. When the operation ring 012 is clamped into the U-shaped groove 0231, the nut 014 of the screw 013 is clamped into the limiting groove with the flexible clamping limiting layer 0222, so that the relative positions of the screw 012 and the threaded sleeve 011 are fixed, and in the process that the threaded sleeve 011 is screwed into the mounting hole, the relative positions of the screw 012 and the threaded sleeve 011 cannot be changed, so that the initial heights of a plurality of height adjusting screws 01 mounted at the bottom of the same table and chair or the same electric appliance are consistent, and the height of the table and chair or the electric appliance can be adjusted more conveniently when the height adjusting screws are placed.

Correspondingly, the embodiment further provides an electric tool 03, which includes a driving body 031 with a handle and a working assembly, wherein the working assembly includes the electric wrench head;

the power take off end of drive body 031 is equipped with the pivot 032 of taking rectangular hole 033, and the tip of connecting rod 021 is rectangular rod shape, bores the connecting rod 021 and can dismantle with the pivot 032 of taking rectangular hole 033 and be connected through rectangular rod-shaped tip.

This electric tool 03's electric wrench head demountable installation can change the corresponding electric wrench head according to adjusting screw's model in the drive body of taking the handle, and application scope is wide. The working head further comprises a drill bit and a screwdriver bit, and one of the drill rod, the screwdriver rod and the connecting rod is detachably connected with the rotating shaft with the rectangular hole through the end part of the rectangular rod. This electric tool can change for drill bit, screwdriver head and spanner head as required when in actual use, and the usage is diversified.

Other constructions and operations of a height adjustment screw, power wrench head, and power tool according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. A height adjusting screw is characterized by comprising a threaded sleeve and a screw, wherein the screw penetrates through the threaded sleeve and is in threaded fit with the threaded sleeve, the relative position of the screw and the threaded sleeve is adjustable, threads are arranged on the outer wall of the threaded sleeve, and an operating ring is arranged at the end part of the threaded sleeve;

the edges of two opposite sides of the operating ring are parallel to each other and are straight edges.

2. An electric wrench head is characterized in that the electric wrench head is used for screwing a height adjusting screw in an installation position according to claim 1, and comprises a connecting rod, a stop block and a limiting plate, wherein one side of the stop block is fixedly connected with the connecting rod, and the other side of the stop block is connected with the limiting plate through a connecting sheet;

an abdicating space for accommodating a screw cap of the screw is arranged between the stop block and the clamping and limiting plate, the clamping and limiting plate is provided with a U-shaped groove, the U-shaped groove penetrates through a plurality of clamping and limiting plates, and an opening of the U-shaped groove is positioned at the edge of the clamping and limiting plate;

the distance between the edges of the two opposite sides of the operating ring corresponds to the groove width of the U-shaped groove, and the U-shaped groove is used for limiting the operating ring of the threaded sleeve, so that the limiting plate can drive the threaded sleeve to rotate.

3. The wrench head according to claim 2, wherein the locking plate is parallel to the stopper;

the clamping limit plate and the stop block are perpendicular to the connecting piece.

4. The electric wrench head according to claim 3, wherein the locking plate is circular and the stopper is cylindrical;

the clamping and limiting plate and the stop block are coaxially arranged.

5. The electric wrench head according to claim 4, wherein the center of the circle corresponding to the bottom of the arc-shaped groove of the U-shaped groove, the center of the clamping and limiting plate, the central axis of the stop block and the central axis of the connecting rod are located on the same straight line.

6. The electric wrench head according to claim 2, wherein a side of the locking plate adjacent to the stopper is provided with a flexible material layer;

the thickness of the clamping plate is smaller than or equal to that of the operation ring.

7. The electric wrench head according to claim 2, wherein a limiting groove is formed in one side of the stop block, which is close to the limiting plate, the limiting groove is U-shaped and parallel to the U-shaped groove, and the width of the limiting groove is larger than that of the U-shaped groove;

the inner wall of spacing groove is equipped with flexible card limit layer, flexible card limit layer be used for with the nut interference fit of screw.

8. A power tool comprising a drive body with a handle and a working assembly comprising a power wrench head according to any one of claims 2 to 7;

the power take off end of drive body is equipped with the pivot of taking the rectangular hole, the tip of connecting rod is rectangular rod shape, the connecting rod through rectangular rod shape tip with take the rectangular hole the pivot can be dismantled and be connected.

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