CN211082488U

CN211082488U - Seamless steel pipe for lifting rod of workbench

Info

Publication number: CN211082488U
Application number: CN201921750079.4U
Authority: CN
Inventors: 牟荣国
Original assignee: Changzhou Kangcheng Precision Steel Pipe Co ltd
Current assignee: Changzhou Kangcheng Precision Steel Pipe Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-24
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to a seamless steel pipe for workstation lifter, including body and change ring, a plurality of fixed openings have evenly been seted up to the one end circumference of body, the lower terminal surface fixed mounting of change ring has the fixed plate with fixed opening complex, change ring and body coaxial arrangement, the lower terminal surface of change ring is laminated with the up end of body, the fixed plate is inserted and is established in change ring, seted up two rows of welding holes on the fixed plate, the welding hole that is located below is filled with the welding solution, be provided with between two rows of welding holes on the fixed plate and strike the recess, axially fixed mounting has spacing on the inner circumferential surface of change ring, a plurality of spacing is along the central axis circumference equipartition of change ring, spacing is laminated with the inner circumferential surface of body; the utility model discloses after spacing damages, only need change spacing, saved the resource, reduced manufacturing cost.

Description

Seamless steel pipe for lifting rod of workbench

Technical Field

The utility model belongs to the technical field of seamless steel pipe technique and specifically relates to a seamless steel pipe is used to workstation lifter.

Background

The lift of the lifting support rod in the workbench is far away as: the supporting rod with the smaller diameter is coaxially arranged in the supporting rod with the larger diameter in a sliding manner, and the lifting is realized through the relative movement between the two supporting rods. The outer periphery of the bracing piece that is located inside usually laminates with the inner circumference of the bracing piece that is located outside, and the bracing piece that is located outside provides the guide effect for the bracing piece that is located inside, but at the in-process that inside bracing piece goes up and down, can take place relative rotation between inside bracing piece and the outside bracing piece to make the lift bracing piece firm inadequately, influence the use of workstation.

The traditional method for preventing the external lifting rod and the internal lifting rod from rotating relatively is to arrange an axial protrusion on the inner circumferential surface of the external lifting rod, arrange an axial groove on the outer circumferential surface of the internal lifting rod, and slidably clamp the axial protrusion in the axial groove, so as to limit the rotation of the internal lifting rod in the external lifting rod.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems that in the traditional method for preventing the relative rotation of the external lifting rod and the internal lifting rod, the axial protrusion is easy to damage, the whole external lifting rod needs to be replaced after the axial protrusion is damaged, and the resource waste is serious, the seamless steel pipe for the lifting rod of the workbench is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a seamless steel pipe for workstation lifter, includes body and change ring, a plurality of fixed openings have evenly been seted up to the one end circumference of body, the lower terminal surface fixed mounting of change ring has the fixed plate with fixed opening complex, change ring and the coaxial setting of body, the lower terminal surface of change ring and the up end laminating of body, the fixed plate is inserted and is established in changing the ring, seted up two rows of welding holes on the fixed plate, the welding hole that is located the below is filled with the welding liquid, be provided with between two rows of welding holes on the fixed plate and strike the recess, axial fixed mounting has spacing on the inner circumference face of change ring, and is a plurality of spacing along the central axis circumference equipartition of change ring, spacing and the inner circumference face laminating of body.

The utility model discloses a seamless steel pipe for workstation lifter, at the up end coaxial arrangement change ring of body, the lower terminal surface fixed mounting of change ring has the fixed plate with fixed opening complex, seted up two rows of welding holes on the fixed plate, the welding hole that is located the below is filled with the welding liquid, the welding liquid connects fixed plate and body outer periphery, the fixed plate is fixed on the body, thereby fix change ring on the body, axial fixed mounting has spacing strip on the inner circumference of change ring, this body needs to use with the inside lifter that has axial recess on the outer periphery, after the cooperation, spacing strip slides and sets up in the axial recess of inside lifter, after the spacing strip damages, be provided with the groove of strikeing between two rows of welding holes on the fixed plate, use tools divide into two sections with the fixed plate along strikeing the recess, the welding vacancy that is located the top does not have the welding liquid, change ring can be dismantled from the body, after the dismantlement, the fixed plate on the new change ring that will change strikes along strikeing the recess, gets rid of the fixed plate that strikes recess below, then inserts the fixed plate in the change ring and establishes in fixed opening, packs the welding fluid to the welding hole intussuseption that is located the top, and new change ring is fixed on the body, changes the completion, the utility model discloses after spacing damages, only need change spacing, saved the resource, reduced manufacturing cost.

For making inside lifter more smooth and easy removal in outside lifter, can fill lubricating oil between outside lifter and the inside lifter, when inside lifter outwards stretches out, the easy polluted environment of lubricating oil on the inside lifter, in order to solve this problem, coaxial fixed mounting has the rubber circle between the lower terminal surface of change ring and the up end of body, the inner radius of rubber circle is less than the inner radius of body, and the rubber circle can be scraped lubricating oil on the inside lifter, and lubricating oil can not move outward along with inside lifter, and lubricating oil is not extravagant, also can not pollute operational environment.

Furthermore, all set up on the double-phase opposite face of fixed plate and strike the recess, two strike the recess and set up relatively, set up like this, the speed of knocking off is very fast.

The utility model has the advantages that the seamless steel pipe for the lifting rod of the workbench is provided with the replacement ring coaxially arranged on the upper end surface of the pipe body, the lower end surface of the replacement ring is fixedly provided with the fixed plate matched with the fixed opening, the fixed plate is provided with two rows of welding holes, the welding hole positioned below is filled with the welding liquid, the welding liquid is connected with the fixed plate and the outer circumferential surface of the pipe body, the fixed plate is fixed on the pipe body, thereby the replacement ring is fixed on the pipe body, the inner circumferential surface of the replacement ring is axially and fixedly provided with the limit strip, the pipe body needs to be matched with the inner lifting rod with the axial groove on the outer circumferential surface, after matching, the limit strip is arranged in the axial groove of the inner lifting rod in a sliding way, when the limit strip is damaged, the knocking groove is arranged between the two rows of welding holes on the fixed plate, the tool is used for dividing the fixed plate into two, the change ring can be followed the body and dismantled, dismantles the back, and the fixed plate on the new change ring that will change is strikeed along strikeing the recess, gets rid of the fixed plate that strikes recess below, then inserts the fixed plate in the change ring and establishes in fixed opening, packs the welding fluid to the welding hole intussuseption that lies in the top, and new change ring is fixed on the body, changes the completion, the utility model discloses after spacing damages, only need change spacing, saved the resource, reduced manufacturing cost.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a three-dimensional schematic view of the present invention;

Fig. 2 is a top view of the present invention;

3 fig. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 at 3 a 3- 3 a 3 of 3 fig. 3 2 3 in 3 accordance 3 with 3 the 3 present 3 invention 3; 3

Fig. 4 is a three-dimensional schematic view of a change ring in the present invention.

In the figure: 1. the device comprises a pipe body, 2 parts of a replacement ring, 2 parts of a fixing plate, 2 parts of a welding hole, 2 parts of a knocking groove, 2 parts of a limiting strip, 3 parts of welding liquid and 4 parts of a rubber ring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and 2, the seamless steel tube for the lifting rod of the workbench comprises a tube body 1 and a replacement ring 2, wherein two fixed openings are uniformly formed in the circumference of one end of the tube body 1, a fixed plate 2-1 matched with the fixed openings is fixedly installed on the lower end surface of the replacement ring 2, as shown in fig. 4, the replacement ring 2 and the tube body 1 are coaxially arranged, the lower end surface of the replacement ring 2 is attached to the upper end surface of the tube body 1, the fixed plate 2-1 is inserted into the replacement ring 2, two rows of welding holes 2-1-1 are formed in the fixed plate 2-1, welding liquid 3 is filled in the welding hole 2-1-1 positioned below, a knocking groove 2-1-2 is formed between the two rows of welding holes 2-1-1 on the fixed plate 2-1, knocking grooves 2-1-2 are formed in two opposite surfaces of the fixed plate 2-1, the two knocking grooves 2-1-2 are oppositely arranged, so that knocking-off speed is high; the inner circumferential surface of the replacement ring 2 is axially and fixedly provided with a plurality of limiting strips 2-2, the limiting strips 2-2 are uniformly distributed along the circumference of the central axis of the replacement ring 2, and the limiting strips 2-2 are attached to the inner circumferential surface of the tube body 1.

In order to enable the internal lifting rod to move smoothly in the external lifting rod, lubricating oil can be filled between the external lifting rod and the internal lifting rod, when the internal lifting rod extends outwards, the lubricating oil on the internal lifting rod is easy to pollute the environment, in order to solve the problem, a rubber ring 4 is coaxially and fixedly installed between the lower end face of the replacing ring 2 and the upper end face of the pipe body 1, the inner radius of the rubber ring 4 is smaller than that of the pipe body 1, as shown in fig. 3, the lubricating oil on the internal lifting rod can be scraped by the rubber ring 4, the lubricating oil cannot move outwards along with the internal lifting rod, the lubricating oil is not wasted, and the working environment cannot be polluted.

The utility model discloses a seamless steel pipe for workstation lifter, at the up end coaxial arrangement change ring 2 of body 1, change the lower terminal surface fixed mounting of ring 2 and fixed opening complex fixed plate 2-1, two rows of welding holes 2-1-1 have been seted up on fixed plate 2-1, the welding hole 2-1-1 intussuseption that is located the below is filled with welding liquid 3, welding liquid 3 connects fixed plate 2-1 and the body 1 outer periphery, fixed plate 2-1 is fixed on body 1, thereby change ring 2 fixes on body 1, change ring 2 has axially fixed mounting has spacing strip 2-2 on the inner circumferential surface, body 1 need with the outer periphery have the internal lifter of axial recess to use, after the cooperation, spacing strip 2-2 slides and sets up in the axial recess of internal lifter, after spacing strip 2-2 damages, a knocking groove 2-1-2 is arranged between two rows of welding holes 2-1-1 on the fixed plate 2-1, a tool is used for dividing the fixed plate 2-1 into two sections along the knocking groove 2-1-2, the welding empty hole positioned above has no welding liquid, the replacing ring 2 can be detached from the pipe body 1, after detachment, the fixed plate 2-1 on the new replacing ring 2 to be replaced is knocked along the knocking groove 2-1-2, the fixed plate 2-1 below the knocking groove 2-1-2 is removed, then the fixed plate 2-1 in the replacing ring 2 is inserted in the fixed opening, the welding liquid 3 is filled in the welding hole 2-1-1 positioned above, the new replacing ring 2 is fixed on the pipe body 1, and the replacement is finished, after the limiting strip 2-2 is damaged, only the spacing strips 2-2 need to be replaced, so that resources are saved, and the production cost is reduced.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a seamless steel pipe for workstation lifter which characterized in that: the pipe comprises a pipe body (1) and a replacing ring (2), wherein a plurality of fixed openings are uniformly formed in the circumference of one end of the pipe body (1), a fixing plate (2-1) matched with the fixed openings is fixedly arranged on the lower end face of the replacing ring (2), the replacing ring (2) and the pipe body (1) are coaxially arranged, the lower end face of the replacing ring (2) is attached to the upper end face of the pipe body (1), the fixing plate (2-1) is inserted into the replacing ring (2), two rows of welding holes (2-1-1) are formed in the fixing plate (2-1), welding liquid (3) is filled in the welding holes (2-1-1) below, a knocking groove (2-1-2) is formed between the two rows of welding holes (2-1-1) in the fixing plate (2-1), and a limiting strip (2-2) is axially and fixedly arranged on the inner circumferential face of the replacing ring (2), the limiting strips (2-2) are uniformly distributed along the circumference of the central axis of the replacement ring (2), and the limiting strips (2-2) are attached to the inner circumferential surface of the pipe body (1).

2. The seamless steel pipe for the lifter of the working table as claimed in claim 1, wherein: the coaxial fixed mounting has rubber circle (4) between the up end of the lower terminal surface of more ring (2) and body (1), the inner radius of rubber circle (4) is less than the inner radius of body (1).

3. The seamless steel pipe for the lifter of the working table as claimed in claim 1, wherein: knocking grooves (2-1-2) are formed in two opposite surfaces of the fixing plate (2-1), and the two knocking grooves (2-1-2) are arranged oppositely.