CN206138628U - Horizontal bar convenient to extend - Google Patents
Horizontal bar convenient to extend Download PDFInfo
- Publication number
- CN206138628U CN206138628U CN201621246699.0U CN201621246699U CN206138628U CN 206138628 U CN206138628 U CN 206138628U CN 201621246699 U CN201621246699 U CN 201621246699U CN 206138628 U CN206138628 U CN 206138628U
- Authority
- CN
- China
- Prior art keywords
- bar
- intermediate casing
- dextrorotation
- trocar sheath
- horizontal bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a horizontal bar convenient to extend, including levogyration pole, dextrorotation pole, still include the outer tube, the both ends of outer tube are all overlapped and are established intermediate casing, the lead screw is established to the intermediate casing endotheca, the one end of lead screw sets up the connecting seat, set up locating screw holes on the connecting seat, set up a plurality of length adjustment holes on the outer tube, last the 2nd length adjustment hole that sets up of intermediate casing, levogyration pole, dextrorotation pole levogyration pole, dextrorotation rod cover establish in intermediate casing and with lead screw threaded connection, levogyration pole, dextrorotation pole are kept away from the one end of connecting seat and are stretched out intermediate casing and set up the fixing base. The utility model has the advantages of set up intermediate casing in the outer tube, produce the clearance between swing arm and the outer tube about the sleeve pipe can be avoided, prevent that the outer tube is crooked, safe in utilization, increase the flexible scope of horizontal bar under the circumstances that outer tube length does not change, can satisfy the length that common 4 kinds of specification horizontal bars used.
Description
Technical field
This utility model relates generally to horizontal bar field, specifically a kind of horizontal bar for being easy to extend.
Background technology
Horizontal bar is as a kind of Household fitness equipment on door, due to its occupied ground it is less, it is convenient to temper operation and extensive
Use.Horizontal bar is mainly made up of left and right swing arm and middle screw mandrel on the door of prior art, and left and right swing arm is rotated by positive and negative
Turn to be arranged in middle screw mandrel, when in use by middle screw mandrel rotating elongation extruding doorframe or body of wall, making left and right swing arm
End and doorframe or the frictional force that produces of body of wall.In actual use, by horizontal bar is fixed on doorframe on door when,
Left and right lid can be subject to the uniform force from doorframe, allow a horizontal bar firmly on doorframe.
But horizontal bar on existing door, when people operates on door on horizontal bar, can produce on intermediate bar one it is downward
Gravity, the gravity that intermediate bar is subject to can be transmitted swing arm to left and right, in having gap to make between intermediate bar and left and right swing arm
Between bar tenesmus, bending, easily on horizontal bar on door move people produce potential safety hazard, it is difficult to meet the market demand, cause
The telescopic extensions of horizontal bar are less, and 4 kinds of common specifications are 60-85cm, 80-110cm, 100-130cm, 120-170cm, and length becomes
The amplitude of change is smaller, and cannot be general, it has not been convenient to use.
Utility model content
To solve deficiency of the prior art, this utility model provides a kind of horizontal bar be easy to and extend, increases in trocar sheath
If intermediate casing, sleeve pipe can avoid producing gap between left and right swing arm and trocar sheath, prevent trocar sheath from bending, using safety,
Increase the telescopic extensions of horizontal bar in the case of outer casing length is immovable, disclosure satisfy that what common 4 kind specification horizontal bar was used
Length.
This utility model for achieving the above object, is achieved through the following technical solutions：
A kind of horizontal bar for being easy to extend, including left-handed bar, dextrorotation bar, also including trocar sheath, the two ends of the trocar sheath are equal
Intermediate casing is arranged, the intermediate casing is slidably connected with trocar sheath, is arranged screw mandrel in the intermediate casing, the one of the screw mandrel
End arranges connecting seat, arranges positioning screw hole on the connecting seat, arranges on the trocar sheath and multiple is engaged with positioning screw hole
First length-adjustment holes, arrange on the intermediate casing and the second length-adjustment holes are engaged with positioning screw hole, and fixed screw is successively
Through the connection of trocar sheath, intermediate casing and positioning screw hole, cavity is respectively provided with the left-handed bar, dextrorotation bar, is set in the cavity
The screw thread being engaged with screw mandrel is put, the left-handed bar, dextrorotation rod set are located in intermediate casing and are connected with wire rod thread, the left side
Swing arm, dextrorotation bar stretch out intermediate casing and arrange fixed seat away from one end of connecting seat.
The intermediate casing arranges cylindrical protrusions away from one end of fixed seat, is arranged in the cylindrical protrusions spacing
Block, arranges external screw thread on the outer wall of the limited block, the two ends of the trocar sheath arrange the female thread being engaged with external screw thread.
The limited block is flexibly connected with cylindrical protrusions.
The length of the horizontal bar is 70-180cm.
The left-handed bar, dextrorotation bar are connected by rotating rotation with wire rod thread.
Contrast and prior art, this utility model beneficial effect is：
1st, this utility model sets up intermediate casing in trocar sheath, and sleeve pipe can avoid being produced between left and right swing arm and trocar sheath
Raw gap, prevents trocar sheath from bending, and using safety, the telescopic extensions of horizontal bar is increased in the case of outer casing length is immovable,
Disclosure satisfy that the length that common 4 kind specification horizontal bar is used.
2nd, this utility model intermediate casing arranges limited block away from one end of fixed seat, and outer spiral shell is arranged on the limited block
Stricture of vagina, the two ends of the trocar sheath arrange the female thread being engaged with external screw thread, prevent from being incited somebody to action when adjusting the fixed position of intermediate casing
Whole intermediate casing is all pulled out.
3rd, this utility model limited block is flexibly connected with intermediate casing, and limited block is set in the outside of intermediate casing, can be with
Be threaded connection, clamping, interference connection etc., when need not using intermediate casing when, directly connecting seat is consolidated using fixed screw
It is scheduled in trocar sheath, is then threadedly coupled limited block with trocar sheath, prevents intermediate casing with left-handed bar, the gap mistake of dextrorotation bar
Greatly, trocar sheath or left-handed bar, dextrorotation rod bending are made after being dropped by gravity, removing intermediate casing can mitigate the weight of horizontal bar,
Facilitate the carrying of horizontal bar.
4th, the length of this utility model horizontal bar is 70-180cm, can cover the length that common 4 kind specification horizontal bar is used,
Multiple horizontal bars, convenient use need not be bought.
5th, the left-handed bar of this utility model, dextrorotation bar are connected by rotating rotation with wire rod thread, when in use, according to making
The height of user makes the movement to outside intermediate casing of left-handed bar, dextrorotation bar be squeezed on doorframe or body of wall by rotary sleeve pipe, makes
Fixed seat produces frictional force with doorframe or body of wall, and horizontal bar is fixed.
Description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is internal structure schematic diagram of the present utility model；
Accompanying drawing 3 is enlarged drawing at the A of accompanying drawing 2.
Label shown in accompanying drawing：1st, trocar sheath；2nd, intermediate casing；21st, cylindrical protrusions；3rd, left-handed bar；4th, dextrorotation bar；5、
Screw mandrel；6th, connecting seat；61st, positioning screw hole；62nd, the second length-adjustment holes；63rd, the first length-adjustment holes；7th, fixed seat；8th, it is spacing
Block.
Specific embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate this utility model rather than limit scope of the present utility model.In addition, it is to be understood that reading this utility model instruction
Content after, those skilled in the art can make various changes or modifications to this utility model, and these equivalent form of values equally fall
In scope defined herein.
A kind of horizontal bar for being easy to extend, including left-handed bar 3, dextrorotation bar 4, also including trocar sheath 1, the two of the trocar sheath 1
End is arranged intermediate casing 2, and the intermediate casing 2 is slidably connected with trocar sheath 1, and in the intermediate casing 2 screw mandrel 5, institute are arranged
State screw mandrel 5 one end arrange connecting seat 6, on the connecting seat 6 arrange positioning screw hole 61, arrange on the trocar sheath 1 it is multiple with
The first length-adjustment holes 63 that positioning screw hole 61 is engaged, arrange on the intermediate casing 2 and are engaged second with positioning screw hole 61
Length-adjustment holes 62, fixed screw (not shown) sequentially passes through trocar sheath 1, intermediate casing 2 and is connected with positioning screw hole 61, set
Pipe carried out transition between trocar sheath 1 and left-handed bar 3, dextrorotation bar 4, prevented the threshold value overcoat of left-handed bar 3, dextrorotation bar 4
The distance of pipe 1 is excessive when causing people to move on horizontal bar, and the trocar sheath 1 of trocar sheath 1 bends, and increases the safety in utilization of horizontal bar, will in
Between sleeve pipe 2, screw mandrel 5 be fixed in trocar sheath 1, be respectively provided with the left-handed bar 3, dextrorotation bar 4 in cavity, the cavity arrange with
The screw thread that screw mandrel 5 is engaged, the left-handed bar 3, dextrorotation bar 4 are set in intermediate casing 2 and are threadedly coupled with screw mandrel 5, described
Left-handed bar 3, dextrorotation bar 4 stretch out intermediate casing 2 and arrange fixed seat 7 away from one end of connecting seat 6, and fixed screw insertion is different
The first length-adjustment holes 63, change intermediate casing 2 and stretch out the length of trocar sheath 1, the telescopic extensions of horizontal bar can be increased, it is central
Between sleeve pipe 2 be fully retracted into trocar sheath 1, when left-handed bar 3, dextrorotation bar 4 all screw in intermediate casing 2, the long 70cm of horizontal bar, intermediate casing
2nd, long 175cm after left-handed bar 3, dextrorotation bar 4 all stretch out.Rotary sleeve pipe 1 makes left-handed bar 3, dextrorotation bar 4 to outside intermediate casing 2
Movement is squeezed on doorframe or body of wall, makes fixed seat 7 produce frictional force with doorframe or body of wall, horizontal bar is fixed, the diameter of horizontal bar
There is trocar sheath 1 to be gradually reduced to intermediate casing 2, left-handed bar 3, dextrorotation bar 4, can avoid being produced between left and right swing arm and trocar sheath 1
Raw gap, prevents trocar sheath 1 from bending, and using safety, the flexible model of horizontal bar is increased in the case of the length of trocar sheath 1 is immovable
Enclose, disclosure satisfy that the length that common 4 kind specification horizontal bar is used.
Preferably, the intermediate casing 2 arranges cylindrical protrusions 21, the cylindrical protrusions away from one end of fixed seat 7
21 diameter is identical with the internal diameter of intermediate casing 2, and limited block 8, the outer wall of the limited block 8 are arranged in the cylindrical protrusions 21
Upper setting external screw thread, the two ends of the trocar sheath 1 arrange the female thread being engaged with external screw thread, prevent from adjusting intermediate casing 2
Whole intermediate casing 2 is all pulled out during fixed position.
Preferably, the limited block 8 is flexibly connected with cylindrical protrusions 21, can be threaded connection, interference connection etc., when
When need not use intermediate casing 2, directly connecting seat 6 is fixed in trocar sheath 1 using fixed screw, then by limited block 8
It is connected with trocar sheath 1 by removing on intermediate casing 2, the space filled up between left-handed bar 3, dextrorotation bar 4 and trocar sheath 1, in preventing
Between sleeve pipe 2 it is excessive with the gap of left-handed bar 3, dextrorotation bar 4, make trocar sheath 1 or left-handed bar 3, dextrorotation bar 4 curved after being dropped by gravity
Song, removing intermediate casing 2 can mitigate the weight of horizontal bar, facilitate the carrying of horizontal bar.
Preferably, the length of the horizontal bar is 70-180cm, can cover the length that common 4 kind specification horizontal bar is used,
Multiple horizontal bars, convenient use need not be bought.
Preferably, the left-handed bar 3, dextrorotation bar 4 are threadedly coupled by rotating rotation with screw mandrel 5, when in use, according to
The height of user makes the movement to outside intermediate casing 2 of left-handed bar 3, dextrorotation bar 4 be squeezed in doorframe or body of wall by rotary sleeve pipe 1
On, make fixed seat 7 produce frictional force with doorframe or body of wall, horizontal bar is fixed.
Embodiment：
A kind of horizontal bar for being easy to extend, including left-handed bar 3, dextrorotation bar 4, also including trocar sheath 1, the two of the trocar sheath 1
End is arranged intermediate casing 2, and the intermediate casing 2 is slidably connected with trocar sheath 1, and in the intermediate casing 2 screw mandrel 5, institute are arranged
State screw mandrel 5 one end arrange connecting seat 6, on the connecting seat 6 arrange positioning screw hole 61, arrange on the trocar sheath 1 it is multiple with
The first length-adjustment holes 63 that positioning screw hole 61 is engaged, arrange on the intermediate casing 2 and are engaged second with positioning screw hole 61
Length-adjustment holes 62, fixed screw sequentially passes through trocar sheath 1, intermediate casing 2 and is connected with positioning screw hole 61, and sleeve pipe is in trocar sheath 1
Transition was carried out and left-handed bar 3, dextrorotation bar 4 between, left-handed bar 3, the distance mistake of the threshold value trocar sheath 1 of dextrorotation bar 4 was prevented
The trocar sheath 1 of trocar sheath 1 bends when causing people to move on horizontal bar greatly, increases the safety in utilization of horizontal bar, by intermediate casing 2, silk
Bar 5 is fixed in trocar sheath 1, setting in cavity, the cavity is respectively provided with the left-handed bar 3, dextrorotation bar 4 and is matched with screw mandrel 5
The screw thread of conjunction, the left-handed bar 3, dextrorotation bar 4 are set in intermediate casing 2 and are threadedly coupled with screw mandrel 5, the left-handed bar 3, the right side
Swing arm 4 is threadedly coupled by rotating rotation with screw mandrel 5, during the left-handed bar 3, dextrorotation bar 4 stretch out away from one end of connecting seat 6
Between sleeve pipe 2 and fixed seat 7 is set, the intermediate casing 2 arranges cylindrical protrusions 21, the cylinder away from one end of fixed seat 7
The diameter of shape projection 21 is identical with the internal diameter of intermediate casing 2, and limited block 8, the limited block 8 are arranged in the cylindrical protrusions 21
Outer wall on external screw thread is set, the two ends of the trocar sheath 1 arrange the female thread being engaged with external screw thread, the limited block 8 and
Cylindrical protrusions 21 are flexibly connected, and increasing the gap after limited block 8 between intermediate casing 2 and trocar sheath 1 can increase, while
Flexible gasket ring is set in the end of trocar sheath 1, pad ring set is located at outside intermediate casing 2, fills up trocar sheath 1 and intermediate casing 2
Between gap, fixed screw is inserted into the first different length-adjustment holes 63, change the length that intermediate casing 2 stretches out trocar sheath 1
Degree, can increase the telescopic extensions of horizontal bar, and when intermediate casing 2 is fully retracted into trocar sheath 1, left-handed bar 3, dextrorotation bar 4 are all screwed in
During intermediate casing 2, the long 70cm of horizontal bar, intermediate casing 2, left-handed bar 3, dextrorotation bar 4 all stretch out after long 175cm.Rotary sleeve pipe 1
The movement to outside intermediate casing 2 of left-handed bar 3, dextrorotation bar 4 is squeezed on doorframe or body of wall, fixed seat 7 is produced with doorframe or body of wall
Raw frictional force, horizontal bar is fixed, and the diameter of horizontal bar has trocar sheath 1 to be gradually reduced to intermediate casing 2, left-handed bar 3, dextrorotation bar 4, can
To avoid producing gap between left and right swing arm and trocar sheath 1, prevent trocar sheath 1 from bending, using safety, in the length of trocar sheath 1 not
Increase the telescopic extensions of horizontal bar in the case of change, disclosure satisfy that the length that common 4 kind specification horizontal bar is used.The present embodiment
Beneficial effect is：The two ends of the trocar sheath 1 arrange the female thread being engaged with external screw thread, prevent from adjusting intermediate casing 2
Whole intermediate casing 2 is all pulled out during fixed position, limited block 8 is set in the outside of intermediate casing 2, can be that screw thread connects
Connect, clamping, interference connection etc., when need not using intermediate casing 2 when remove flexible gasket ring, directly using fixed screw by connection
Seat 6 is fixed in trocar sheath 1, is then threadedly coupled limited block 8 with trocar sheath 1, prevents intermediate casing 2 with left-handed bar 3, dextrorotation
The gap of bar 4 is excessive, bends trocar sheath 1 or left-handed bar 3, dextrorotation bar 4 after being dropped by gravity, and removing intermediate casing 2 can be with
Mitigate the weight of horizontal bar, facilitate the carrying of horizontal bar.
Claims (5)
1. a kind of horizontal bar for being easy to extend, including left-handed bar (3), dextrorotation bar (4), it is characterised in that：Also include trocar sheath (1),
The two ends of the trocar sheath (1) are arranged intermediate casing (2), and the intermediate casing (2) is slidably connected with trocar sheath (1), described
Screw mandrel (5) is arranged in intermediate casing (2), one end of the screw mandrel (5) arranges connecting seat (6), arranges fixed on the connecting seat (6)
Position screw (61), arranges multiple the first length-adjustment holes (63) being engaged with positioning screw hole (61), institute on the trocar sheath (1)
State to be arranged on intermediate casing (2) and the second length-adjustment holes (62) are engaged with positioning screw hole (61), fixed screw sequentially passes through outer
Sleeve pipe (1), intermediate casing (2) are connected with positioning screw hole (61), are respectively provided with cavity in the left-handed bar (3), dextrorotation bar (4), institute
State and the screw thread being engaged with screw mandrel (5) is set in cavity, the left-handed bar (3), dextrorotation bar (4) are set in intermediate casing (2)
And be threadedly coupled with screw mandrel (5), the left-handed bar (3), dextrorotation bar (4) stretch out intermediate casing (2) away from one end of connecting seat (6)
And fixed seat (7) is set.
2. it is according to claim 1 it is a kind of be easy to extend horizontal bar, it is characterised in that：The intermediate casing (2) is away from solid
One end of reservation (7) arranges cylindrical protrusions (21), and on the cylindrical protrusions (21) limited block (8), the limited block are arranged
(8) external screw thread is set on outer wall, and the two ends of the trocar sheath (1) arrange the female thread being engaged with external screw thread.
3. it is according to claim 2 it is a kind of be easy to extend horizontal bar, it is characterised in that：The limited block (8) and cylinder
Raised (21) are flexibly connected.
4. it is according to claim 1 it is a kind of be easy to extend horizontal bar, it is characterised in that：The length of the horizontal bar is 70-
180cm。
5. it is according to claim 1 it is a kind of be easy to extend horizontal bar, it is characterised in that：The left-handed bar (3), dextrorotation bar
(4) it is threadedly coupled with screw mandrel (5) by rotating rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246699.0U CN206138628U (en) | 2016-11-15 | 2016-11-15 | Horizontal bar convenient to extend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246699.0U CN206138628U (en) | 2016-11-15 | 2016-11-15 | Horizontal bar convenient to extend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206138628U true CN206138628U (en) | 2017-05-03 |
Family
ID=58626118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621246699.0U Expired - Fee Related CN206138628U (en) | 2016-11-15 | 2016-11-15 | Horizontal bar convenient to extend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206138628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939389A (en) * | 2018-09-27 | 2018-12-07 | 吴亚莉 | A kind of physical education parallel bars of adjustable length |
-
2016
- 2016-11-15 CN CN201621246699.0U patent/CN206138628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939389A (en) * | 2018-09-27 | 2018-12-07 | 吴亚莉 | A kind of physical education parallel bars of adjustable length |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20201115 |