A kind of concertina type body-building rod
Technical field:
The present invention relates to body-building apparatus technical fields, refer in particular to a kind of concertina type body-building rod.
Background technique:
With the development of society and stepping up for people's living standard, brain worker is more and more, and people need to grow
The sedentary working of time, therefore demand of the people to body-building is also promoted gradually.Consequent, various sanitation park or squares are increasing,
Various multigyms emerge in succession;But outdoor body-building equipment takes up a large area, invests that big, fashionable appearance is poor,
It especially gos out in hot summer movement, very big inconvenience can be brought.It is being used indoors therefore, it is necessary to a kind of convenience, simple
The fitness equipment of installation can easily meet people's demand.
Body-building rod comes into being, wherein certain body-building rods for being mounted on gateway are permanently attached to by screw or bolt
It on door frame, installs and is more troublesome, later period disassembly is relatively complicated, and can damage door frame and/or hinder door and close completely
It closes, it is not convenient enough to use.Certain body-building rods are to install support base in its end convolution, and be arranged on support base anti-skidding
Block, when in use, support base are contacted by non-slipping block with gateway or wall, are then reversely being turned support base, are being made the support base
Opposite body-building rod is displaced outwardly, and achievees the purpose that compress non-slipping block and gateway or wall, passes through tensile force and frictional force with this
It is installed on body-building rod stabilization on gateway or wall;But due to when non-slipping block will be compressed with gateway or wall, then
Great strength is needed when turning the support base, or even needs to turn the support base according to cooperation using special, is operated
It is not convenient enough;Problem above is equally existed when disassembly.
In view of this, the present inventor proposes following technical scheme
Summary of the invention:
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of concertina type body-building rods.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals: the concertina type body-building rod includes: interior
It manages, the outer tube that is sheathed on inner tube periphery, be fixedly installed in outer tube end and the locking for being locked in inner tube in the outer tube
Mechanism, the opposite other end with outer tube installation of said inner tube are provided with for the first support base group with foreign object support positioning
Part;The opposite other end with inner tube installation of the outer tube is provided with for the second support holder assembly with foreign object support positioning;
The locking mechanism include the pedestal for being fixed on outer tube end, by be pivotally connected mould group be articulated in the lock handle on the pedestal with
And it is articulated in the tail buckling die group on the tail end of lock handle and for being locked in the tail end of lock handle on pedestal, the locking hand
The head of handle forms several locking teeth portion;Said inner tube upper end is provided with plural number and is adapted to the locking teeth portion and equidistantly distributed
Tooth socket, press the tail end of lock handle, the locking teeth portion on the lock handle head and the tooth socket of upper end of inner tube are successively ratcheting, compel
Move inner tube out against at a distance from least one tooth socket spacing with the outer tube, until the tail buckling die group is closely buckled on pedestal,
The first support holder assembly and the second support holder assembly is set to compress support outward.
Furthermore, in above-mentioned technical proposal, the tail buckling die group includes the lock shaft being installed in pedestal, passes through
First pivot is articulated in the lock handle tail end and for fastening the tail button positioned with the lock shaft, being sheathed on first pivot
It goes up and presses on the first pressure spring between the tail button and the lock handle tail end;Horizontal ruler is provided on the outside of the pedestal.
Furthermore, in above-mentioned technical proposal, the tail button includes main part, the pivot for taking shape in the main part upper end
Socket part takes shape in main part lower end and the latch portion being adapted to the lock shaft and the handle for taking shape in the main part rear end
Portion, the articulated section pivot have the first shaft hole worn for first pivot, and first pressure spring is compressed with the articulated section.
Furthermore, in above-mentioned technical proposal, the pivot joint mould group includes the first spiral shell being set on the pedestal
Silk is installed on the first screw end and first nut fixed with first screws spiral and is installed on the first screw and can
Relative to the first axle sleeve and the second axle sleeve of first screw rotation, first axle sleeve and the opposite face of the second axle sleeve have been separately formed
The outside of first protrusion and the second protrusion, first axle sleeve and the second axle sleeve is also arranged on the pedestal, so that can be on the base
The mounting hole of rotation, lock handle head setting is sheathed on first protrusion and the second protrusion, and by the first axle sleeve and
Second axle sleeve is fixedly clamped.
Furthermore, in above-mentioned technical proposal, the first support holder assembly includes that be installed on said inner tube opposite
It connect toothholder with the first of the other end of outer tube installation and mould group is connected by the first spring and be installed on first tooth connection
The first support base on seat, the first connection toothholder face opposite with the first support base are respectively arranged with the first teeth portion and the second tooth
Portion, between the elastic strength which connects the first spring in mould group forces first support base and the first connection toothholder to be formed
Gap, first teeth portion and the second teeth portion cannot be ratcheting, which can be relative to the first connection toothholder rotation;When inner tube with
The outer tube moves the distance of at least one tooth socket spacing out against, which connect toothholder docking with first, and should
First teeth portion and the second teeth portion cannot be ratcheting, which connect toothholder with first and be fixedly connected.
Furthermore, in above-mentioned technical proposal, first teeth portion be arc double wedge, according to circumference equal distribution in
The end face of first connection toothholder, and the first connection toothholder outer rim forms first stroke limiting slot;Second teeth portion is arc
Shape double wedge, according to circumference equal distribution in the end face of the first support base, and the first support base outer rim forms the first rotation stop
Convex block;First rotation stop projection is placed in the first stroke limiting slot.
Furthermore, in above-mentioned technical proposal, first support base upper end forms the first embedded division, and described first
Connection toothholder end forms the first embedded groove for the insertion of the first embedded division;First embedded division is embedded in first embedded groove
In, the first spring connection mould group includes to be installed in the first embedded groove and contradict with the first embedded division end described
First spring and sequentially pass through first embedded division, the first spring, the first connection toothholder the second screw and be installed on first
Connect second nut fixed in toothholder and with second screws spiral.
Furthermore, in above-mentioned technical proposal, the second support holder assembly includes that be installed on the outer tube opposite
It connect toothholder with the second of the other end of inner tube installation and mould group is connected by second spring and be installed on second tooth connection
The second support base on seat, the second connection toothholder face opposite with the second support base are respectively arranged with third teeth portion and the 4th tooth
Portion, between the elastic strength which connects second spring in mould group forces second support base and the second connection toothholder to be formed
Gap, the third teeth portion and the 4th teeth portion cannot be ratcheting, which can be relative to the second connection toothholder rotation;When inner tube with
The outer tube move out against at least one tooth socket spacing apart from when, second support base with second connect toothholder docking, and
The third teeth portion and third teeth portion cannot be ratcheting, which connect toothholder with second and be fixedly connected.
Furthermore, in above-mentioned technical proposal, the third teeth portion be arc double wedge, according to circumference equal distribution in
The end face of second connection toothholder, and the second connection toothholder outer rim forms second stroke limiting slot;4th teeth portion is arc
Shape double wedge, according to circumference equal distribution in the end face of the second support base, and the second support base outer rim forms the second rotation stop
Convex block;Second rotation stop projection is placed in the second stroke limiting slot.
Furthermore, in above-mentioned technical proposal, second support base upper end forms the second embedded division, and described second
Connection toothholder end forms the second embedded groove for the insertion of the second embedded division;Second embedded division is embedded in second embedded groove
In, the second spring connection mould group includes to be installed in the second embedded groove and contradict with the second embedded division end described
Second spring and sequentially pass through second embedded division, second spring, the second connection toothholder third screw and be installed on second
Connect the third nut fixed in toothholder and with the third screws spiral.
After adopting the above technical scheme, compared with prior art, the present invention has the following advantages: the present invention uses
When, the lock handle of locking mechanism is opened, enables inner tube sliding opposite with outer tube, then inner tube is pulled outwardly with respect to outer tube
It stretches, makes the first support holder assembly and second that holder assembly be supported to bear against in doorframe two sides inner wall, then again by lock handle pressure
Under, the tooth socket of the locking teeth portion and upper end of inner tube that make lock handle head is successively ratcheting, forces inner tube and the outer tube out against
The distance of at least one mobile tooth socket spacing, until the tail buckling die group is closely buckled on pedestal, make lock handle stable position in
The pedestal, at this point, since inner tube and the outer tube are moved out against at a distance from least one tooth socket spacing, so that first can be reduced
The gap for supporting holder assembly and the second support holder assembly and doorframe two sides inner wall guarantees that entire body-building rod stabilization is installed on the doorframe
On, it operates extremely convenient;When needing to dismantle, the tail buckling die group is pushed, so that the tail buckling die group is detached from the pedestal, upward
Lift lock handle, the tooth socket opposite direction of the locking teeth portion and upper end of inner tube that make lock handle head is ratcheting, forces inner tube and is somebody's turn to do
The distance of at least one tooth socket spacing of the opposed, inwardly directed movement of outer tube increases the first support holder assembly and the second support holder assembly and door
Entire body-building rod can be dismantled quickly with respect to the doorframe with this, be operated extremely convenient by the gap of frame two sides inner wall.
Detailed description of the invention:
Fig. 1 is perspective view of the invention;
Fig. 2 is the perspective view at another visual angle of the present invention;
Fig. 3 is cross-sectional view of the invention;
Fig. 4 is the partial enlargement diagram of part A in Fig. 3;
Fig. 5 is stereogram exploded view of the invention;
Fig. 6 is the perspective view after present invention disassembly lock handle;
Fig. 7 is the partial structural diagram of locking mechanism in the present invention;
Fig. 8 is the perspective view of tail button in the present invention.
Specific embodiment:
The present invention is further described with attached drawing combined with specific embodiments below.
Be a kind of concertina type body-building rod as shown in Fig. 1-8 comprising: inner tube 1, the outer tube 2 for being sheathed on 1 periphery of the inner tube,
Be fixedly installed in 2 end of outer tube and for the locking mechanism 3 that is locked in inner tube 1 in the outer tube 2, said inner tube 1 it is opposite with this
The other end that outer tube 2 is installed is provided with for the first support holder assembly 4 with foreign object support positioning;The outer tube 2 it is opposite with this
The other end that inner tube 1 is installed is provided with for the second support holder assembly 5 with foreign object support positioning;The locking mechanism 3 includes
There is the pedestal 31 for being fixed on 2 end of outer tube, by being pivotally connected the lock handle 32 and pivot joint that mould group 34 is articulated on the pedestal 31
In on the tail end of lock handle 32 and for the tail end of lock handle 32 to be locked in the tail buckling die group 33 on pedestal 31, the locking
The head of handle 32 forms several locking teeth portion 321;1 upper end of said inner tube is provided with plural number and is adapted to the locking teeth portion 321
And the tooth socket 11 of equidistantly distributed, the tail end of lock handle 32 is pressed, the locking teeth portion 321 and inner tube on 32 head of lock handle
The tooth socket 11 of 1 upper end is successively ratcheting, and inner tube 1 is forced to be moved at a distance from least one 11 spacing of tooth socket out against with the outer tube 2,
Until the tail buckling die group 33 is closely buckled on pedestal 31, the first support holder assembly 4 and the second support holder assembly 5 is made to compress branch outward
Support.When specifically used, the lock handle 32 of locking mechanism 3 is opened, enables inner tube 1 is opposite with outer tube 2 to slide, then will be interior
Pipe 1 is stretched out with respect to outer tube 2, bears against the first support holder assembly 4 and the second support holder assembly 5 in doorframe two sides
Then wall is again depressed lock handle 32, make 32 head of lock handle locking teeth portion 321 and 1 upper end of inner tube tooth socket 11 according to
It is secondary ratcheting, force inner tube 1 to be moved at a distance from least one 11 spacing of tooth socket out against with the outer tube 2, until by the tail buckling die
Group 33 is closely buckled on pedestal 31, makes 32 stable position of lock handle in the pedestal 31, at this point, since inner tube 1 and the outer tube 2 are opposite
Be displaced outwardly the distance of at least one 11 spacing of tooth socket, thus can reduce the first support holder assembly 4 and the second support holder assembly 5 with
The gap of doorframe two sides inner wall guarantees that entire body-building rod stabilization is installed on the doorframe, operates extremely convenient;It is needing to tear open
When unloading, the tail buckling die group 33 is pushed, so that the tail buckling die group 33 is detached from the pedestal 31, is being lifted up lock handle 32, is making to lock
The locking teeth portion 321 on 32 head of handle and 11 opposite direction of tooth socket of 1 upper end of inner tube are ratcheting, force inner tube 1 and the outer tube 2 opposite to
The distance of at least one 11 spacing of tooth socket of interior movement increases the first support holder assembly 4 and the second support holder assembly 5 and doorframe two sides
Entire body-building rod can be dismantled quickly with respect to the doorframe with this, be operated extremely convenient by the gap of inner wall.
It is provided with horizontal ruler 35 on the outside of the pedestal 31, which can show entire body-building rod whether in water constantly
It is flat upwards, if that on a horizontal, can not adjust quickly, use extremely convenient, that is, can guarantee that body-building rod being capable of level
Installation, the same stability that can guarantee the body-building rod being horizontally mounted.
The tail buckling die group 33 includes the lock shaft 331 being installed in pedestal 31, by the first pivot 332 is articulated in institute
State 32 tail end of lock handle and for fastening the tail button 333 positioned with the lock shaft 331, being sheathed on first pivot 332 simultaneously
Press on the first pressure spring 334 between the tail button 333 and 32 tail end of lock handle.When lock handle 32 is pressed with respect to the pedestal 31
After lower, push the tail button 333 to force the tail button 333 to be buckled in lock shaft 331, and first pressure spring 334 compressed after generate
Restoring force make tail button 333 stabilization be fastened in lock shaft 331.
The tail button 333 includes main part 301, the articulated section 302 for taking shape in 301 upper end of main part, takes shape in master
301 lower end of body portion and the latch portion 303 being adapted to the lock shaft 331 and the handle portion for taking shape in 301 rear end of main part
304, which has the first shaft hole 305 worn for first pivot 332, first pressure spring 334 and the pivot
Socket part 302 compresses.
The pivot joint mould group 34 includes the first screw 341 being set on the pedestal 31, is installed on the first screw 341
End and first nut 342 fixed with 341 spiral of the first screw and be installed on the first screw 341 and can with respect to this
The first axle sleeve 343 and the second axle sleeve 344 of one screw 341 rotation, first axle sleeve 343 and the opposite face of the second axle sleeve 344 point
The first protrusion 306 and the second protrusion 307 are not formed, and the outside of first axle sleeve 343 and the second axle sleeve 344 is also arranged in the base
On seat 31, so that can rotate on pedestal 31, the mounting hole 322 of 32 head of the lock handle setting is sheathed on first protrusion
306 and second on protrusion 307, and is fixedly clamped by the first axle sleeve 343 and the second axle sleeve 344.Since lock handle 32 is fixed
Turn on pedestal 31 on the first axle sleeve 343 and the second axle sleeve 344, and through first axle sleeve 343 and the second axle sleeve 344
It is dynamic, the phenomenon that friction can be effectively reduced, prevent abrasion.
The first support holder assembly 4 includes to be installed on opposite the with the other end of the outer tube 2 installation of said inner tube 1
One connects toothholder 41 and connects the first support base 43 that mould group 42 is installed on the first connection toothholder 41 by the first spring,
First connection toothholder 41 face opposite with the first support base 43 is respectively arranged with the first teeth portion 411 and the second teeth portion 431, this
The elastic strength of first spring 421 forces first support base 43 to connect the formation of toothholder 41 with first in one spring connection mould group 42
Gap, first teeth portion 411 and the second teeth portion 431 cannot be ratcheting, which can be with respect to the first connection toothholder 41
Rotation, at this point, the inner tube 1 and outer tube 2 can be rotated relative to first support base 43, to adjust inner tube 1 and outer tube 2 to suitable
Angle;When inner tube 1 and the outer tube 2 are moved out against at a distance from least one 11 spacing of tooth socket, first support base 43 and
One connection toothholder 41 docks, and first teeth portion 411 and the second teeth portion 431 cannot be ratcheting, and first support base 43 and first connects
It connects toothholder 41 to be fixedly connected, at this point, the first support base 43, which connect toothholder 41 with first, to be rotated, stabilization of the present invention is guaranteed with this
It is installed on doorframe.Specifically, first teeth portion 411 is arc double wedge, according to circumference equal distribution in the first connection
The end face of toothholder 41, and the first connection 41 outer rim of toothholder forms first stroke limiting slot 412;Second teeth portion 431 is
Arc double wedge, according to circumference equal distribution in the end face of the first support base 43, and 43 outer rim of the first support base forms
One rotation stop projection 432;First rotation stop projection 432 is placed in the first stroke limiting slot 412, so that the first connection toothholder 41
Rotation angular dimension between the first support base 43 is the width of first stroke limiting slot 412.
First support base, 43 upper end forms the first embedded division 433, and first connection, 41 end of toothholder forms
For the first embedded groove 413 of the first embedded division 433 insertion;First embedded division 433 is embedded in first embedded groove 413, described
First spring connection mould group 42 include be installed in the first embedded groove 413 and with 433 end of the first embedded division contradict described in
The first spring 421 and sequentially pass through first embedded division 433, the first spring 421, first connection toothholder 41 the second screw
It 422 and is installed in the first connection toothholder 41 and second nut 423 fixed with 422 spiral of the second screw.
The rectangular shape of first support base 43, docked with doorframe it is more stable, and on the inside of first support base 43 also
It is fixed with the first non-slip mat 434, which enhances frictional force, be further ensured that the present invention for docking with doorframe
After being installed on doorframe, structure is stronger.
The second support holder assembly 5 includes to be installed on opposite the with the other end of the inner tube 1 installation of the outer tube 2
Two connect toothholders 51 and connect the second support base 53 that mould group 52 is installed on the second connection toothholder 51 by second spring,
Second connection toothholder 51 face opposite with the second support base 53 is respectively arranged with third teeth portion 511 and the 4th teeth portion 531, this
The elastic strength of second spring 521 forces second support base 53 to connect the formation of toothholder 51 with second in two springs connection mould group 52
Gap, the third teeth portion 511 and the 4th teeth portion 531 cannot be ratcheting, which can be with respect to the second connection toothholder 51
Rotation, at this point, the inner tube 1 and outer tube 2 can be rotated relative to second support base 53, to adjust inner tube 1 and outer tube 2 to suitable
Angle;When inner tube 1 moves at a distance from least one 11 spacing of tooth socket out against with the outer tube 2, second support base 53 with
Second connection toothholder 51 docks, and the third teeth portion 511 and third teeth portion 511 cannot be ratcheting, second support base 53 and second
Connection toothholder 51 is fixedly connected.Specifically, the third teeth portion 511 is arc double wedge, according to circumference equal distribution in the
The end face of two connection toothholders 51, and the second connection 51 outer rim of toothholder forms second stroke limiting slot 512;4th teeth portion
531 be arc double wedge, and according to circumference equal distribution in the end face of the second support base 53, and 53 outer rim of the second support base forms
There is the second rotation stop projection 532;Second rotation stop projection 532 is placed in the second stroke limiting slot 512.
Second support base, 53 upper end forms the second embedded division 533, and second connection, 51 end of toothholder forms
For the second embedded groove 513 of the second embedded division 533 insertion;Second embedded division 533 is embedded in second embedded groove 513, described
Second spring connection mould group 52 include be installed in the second embedded groove 513 and with 533 end of the second embedded division contradict described in
Second spring 521 and sequentially pass through second embedded division 533, second spring 521, second connect toothholder 51 third screw
It 522 and is installed in the second connection toothholder 51 and the third nut 523 fixed with 522 spiral of third screw.
The rectangular shape of second support base 53, docked with doorframe it is more stable, and on the inside of second support base 53 also
It is fixed with the second non-slip mat 534, which enhances frictional force, be further ensured that the present invention for docking with doorframe
After being installed on doorframe, structure is stronger.
In conclusion the present invention enables inner tube 1 and outer tube 2 in use, the lock handle 32 of locking mechanism 3 is opened
Opposite sliding, then inner tube 1 is stretched out with respect to outer tube 2, support the first support holder assembly 4 and the second support holder assembly 5 respectively
It is against doorframe two sides inner wall, then again depresses lock handle 32, makes the locking teeth portion 321 and inner tube 1 on 32 head of lock handle
The tooth socket 11 of upper end is successively ratcheting, and inner tube 1 is forced to be moved at a distance from least one 11 spacing of tooth socket out against with the outer tube 2,
Until the tail buckling die group 33 is closely buckled on pedestal 31, make 32 stable position of lock handle in the pedestal 31, at this point, due to inner tube
1 moves at a distance from least one 11 spacing of tooth socket out against with the outer tube 2, so that the first support holder assembly 4 and can be reduced
The gap of two support holder assemblies 5 and doorframe two sides inner wall guarantees that entire body-building rod stabilization is installed on the doorframe, and operate pole
For convenience;When needing to dismantle, the tail buckling die group 33 is pushed, the tail buckling die group 33 is made to be detached from the pedestal 31, is being lifted up lock
Determine handle 32, keeps the locking teeth portion 321 on 32 head of lock handle and 11 opposite direction of tooth socket of 1 upper end of inner tube ratcheting, force inner tube 1
At a distance from least one 11 spacing of tooth socket of the opposed, inwardly directed movement of outer tube 2, increase the first support holder assembly 4 and the second support base
The gap of component 5 and doorframe two sides inner wall can quickly be dismantled entire body-building rod with respect to the doorframe with this, be operated extremely square
Just.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should be included in Shen of the present invention
It please be in the scope of the patents.