阅读说明：本技术 一种门上单杠 (Horizontal bar on door ) 是由 韩建梁 于 2020-11-17 设计创作，主要内容包括：本发明公开了一种门上单杠,包括中间管和活动设置在中间管两端的套管,中间管与套管螺旋连接,套管的外端设置有定位装置,定位装置包括安装座和固定座,安装座的一侧与固定座的一侧可活动的连接,安装座的另一侧与套管的外端固定连接,固定座的另一侧固定设置有防滑垫,安装座的一侧与固定座的一侧之间设置有顶推件、容置槽和限位机构,顶推件容纳设置在容置槽内,顶推件的侧面设置有第一环形顶推斜面,容置槽的槽壁形成与第一环形顶推斜面配合的第二环形顶推斜面,限位机构用于限制安装座相对于固定座在竖直平面内的偏移量；优点是可靠性较好。(The invention discloses a horizontal bar on a door, which comprises an intermediate pipe and sleeves movably arranged at two ends of the intermediate pipe, wherein the intermediate pipe is spirally connected with the sleeves, the outer ends of the sleeves are provided with positioning devices, each positioning device comprises an installation seat and a fixed seat, one side of the installation seat is movably connected with one side of the fixed seat, the other side of the installation seat is fixedly connected with the outer end of the sleeve, the other side of the fixed seat is fixedly provided with an anti-slip pad, a pushing piece, an accommodating groove and a limiting mechanism are arranged between one side of the installation seat and one side of the fixed seat, the pushing piece is accommodated in the accommodating groove, the side surface of the pushing piece is provided with a first annular pushing inclined surface, the groove wall of the accommodating groove forms a second annular pushing inclined surface matched with the first annular pushing inclined surface, and the limiting mechanism is used for limiting the; the advantage is that the reliability is better.)

1. A horizontal bar on a door comprises an intermediate pipe and sleeves movably arranged at two ends of the intermediate pipe, wherein the intermediate pipe is spirally connected with the sleeves, the outer ends of the sleeves are provided with positioning devices, and the horizontal bar on the door is characterized in that the positioning devices comprise mounting seats and fixing seats, one sides of the mounting seats are movably connected with one sides of the fixing seats, the other sides of the mounting seats are fixedly connected with the outer ends of the sleeves, anti-skidding pads are fixedly arranged at the other sides of the fixing seats, a pushing piece, a containing groove and a limiting mechanism are arranged between one sides of the mounting seats and one sides of the fixing seats, the pushing piece is contained in the containing groove, a first annular pushing inclined surface is arranged on the side surface of the pushing piece, and a second annular pushing inclined surface matched with the first annular pushing inclined surface is formed on the groove wall of the containing groove, the limiting mechanism is used for limiting the offset of the mounting seat relative to the fixing seat in a vertical plane.

2. The door horizontal bar as claimed in claim 1, wherein the pushing member is a circular truncated cone with a small top end and a large bottom end, and the side surface of the circular truncated cone forms the first annular pushing inclined surface.

3. The door horizontal bar according to claim 1, wherein the pushing member is an annular boss, the receiving groove is an annular groove matched with the annular boss, the annular boss is received and disposed in the annular groove, an outer side wall of the annular boss is inclined outward gradually from the top end to the bottom end to form a first annular pushing inclined surface, an inner side wall of the annular boss is inclined inward gradually from the top end to the bottom end to form a third annular pushing inclined surface, an outer side wall of the annular groove forms a second annular pushing inclined surface, and an inner side wall of the annular groove forms a fourth annular pushing inclined surface matched with the third annular pushing inclined surface.

4. A door horizontal bar according to any one of claims 1 to 3, wherein the pushing member is fixedly arranged on one side of the mounting seat, and the accommodating groove is arranged on one side of the fixing seat.

5. A door horizontal bar according to any one of claims 1 to 3, wherein the pushing member is fixedly arranged on one side of the fixing seat, and the accommodating groove is arranged on one side of the mounting seat.

6. The door horizontal bar according to claim 1, wherein the limiting mechanism comprises a limiting post fixedly arranged on the mounting seat and a limiting hole arranged on the fixing seat, the limiting post extends into the limiting hole, and a gap is reserved between the outer side wall of the limiting post and the inner side wall of the limiting hole.

7. A door beam according to claim 1 wherein said mounting block has at least three internally threaded posts circumferentially spaced therefrom, the internal thread column is sleeved with a spring, countersunk holes with the number equal to that of the internal thread column are distributed on the fixed seat along the circumferential direction, the counter sink consists of a counter sink part and a through hole part, a bolt passes through the through hole part and is in threaded connection with the internal thread column, the aperture of the through hole part is larger than the diameter of the bolt, the aperture of the through hole part is smaller than the diameter of the bolt head of the bolt, the bolt head of the bolt is accommodated in the countersunk head, the gap between the bolt head of the bolt and the internal thread column is larger than the depth of the perforation part, and two ends of the spring are respectively connected with the mounting seat and the fixed seat.

8. The door horizontal bar as claimed in claim 1, wherein a plurality of mounting blocks are provided on one side of the non-slip mat, a plurality of mounting holes are provided on the other side of the fixing base, and the mounting blocks are inserted into the mounting holes.

9. The door horizontal bar as claimed in claim 1, wherein at least three positioning blocks are disposed on the other side of the fixing seat and distributed along the circumferential direction, the positioning blocks are in contact with the outer side wall of the non-slip mat, and the height of the positioning blocks is smaller than the thickness of the non-slip mat.

10. A door beam according to claim 1 wherein said intermediate tube is fixedly provided with an axially extending lead screw, said sleeve is internally threaded on an inner side wall thereof, and an inner end of said sleeve extends into said intermediate tube and is threadedly engaged with said lead screw.

Technical Field

The invention belongs to the technical field of fitness equipment, and particularly relates to a horizontal bar on a door.

Background

Horizontal bar is as a domestic body-building apparatus on the door, mainly include the intermediate tube, lead screw and two sleeve pipes, the lead screw sets up in the intermediate tube, the fixed fixing base that is provided with of sheathed tube left end, this sheathed tube right-hand member stretch into in the intermediate tube and with the left end screw-thread fit of lead screw, another sheathed tube left end stretch into in the intermediate tube and with the right-hand member screw-thread fit of lead screw, the fixed fixing base that is provided with of this sheathed tube right-hand member, two sleeve pipes compress tightly through fixing base and door frame respectively, it is fixed with horizontal bar on the door through the frictional force between fixing base and the door frame, be provided with the hasp between sleeve pipe and the intermediate tube, the hasp is used for preventing to take place relative rotation between sleeve pipe and the lead screw, the user can hold the intermediate tube and do the ascending action of chin.

The above-mentioned traditional horizontal bar on the door needs to compress the sleeve pipe with the doorframe through the fixed seat in the installation process, the degree of this compression directly affects the maximum bearing capacity of the horizontal bar on the door, not only the installation is time-consuming and labor-consuming, but also the horizontal bar on the door can drop off in the use process, there is a certain potential safety hazard, so people developed an improved horizontal bar on the door, such as the Chinese utility model patent "self-tensioning horizontal bar on the door" with patent number ZL201921717053.X (CN210813672U), the disclosed technical scheme includes a lever, telescopic adjusting rods on the left and right sides, tensioning mechanisms on the left and right sides, the telescopic adjusting rods on the left and right sides are connected with the two ends of the lever through the telescopic mechanism with adjustable length, the tensioning mechanisms on the left and right sides are correspondingly connected with the telescopic adjusting rods on the left and right sides, the tensioning mechanisms include the fixed seat and the sliding seat, the sliding seat is symmetrically provided with sliding rail chutes on the front and back sides, the sliding seat is correspondingly, the sliding seat is matched with the sliding rail chute through a sliding rail and can be arranged on the fixed seat in a vertically sliding mode, and the telescopic adjusting rod is correspondingly fixed on the telescopic rod tube seat of the sliding seat. When the horizontal bar supports and uses on the door frame and receive decurrent effort, the slide rail chute gliding on the relative fixing base of slide rail on the sliding seat produces the thrust of outwards pushing the fixing base, and the fixing base that makes both ends about can be more firm pastes tightly on the door frame, and the horizontal bar atress is big more, and it is tight more to control the fixing base and the laminating of door frame, and is fixed also firm more to solve the easy not hard up problem that drops of horizontal bar.

But horizontal bar on the door after the improvement only can ensure when receiving decurrent effort, and the fixing base can not take place the pine to take off between the door frame, and when horizontal bar on the door received horizontal direction, oblique downward or upwards wait other ascending efforts, horizontal bar on the door easily takes place to rock, can lead to the fixing base to break away from the door frame even, still has the potential safety hazard, and the reliability is relatively poor.

Disclosure of Invention

The invention aims to provide a horizontal bar on a door with better reliability.

The technical scheme adopted by the invention for solving the technical problems is as follows: a horizontal bar on a door comprises an intermediate pipe and sleeves movably arranged at two ends of the intermediate pipe, wherein the intermediate pipe is spirally connected with the sleeves, the outer ends of the sleeves are provided with positioning devices, each positioning device comprises an installation seat and a fixed seat, one side of each installation seat is movably connected with one side of the corresponding fixed seat, the other side of each installation seat is fixedly connected with the outer end of the corresponding sleeve, the other side of each fixed seat is fixedly provided with an anti-slip mat, a pushing piece, a containing groove and a limiting mechanism are arranged between one side of each installation seat and one side of each fixed seat, the pushing piece is contained in the containing groove, the side surface of each pushing piece is provided with a first annular pushing inclined surface, and the groove wall of each containing groove forms a second annular pushing inclined surface matched with the first annular pushing inclined surface, the limiting mechanism is used for limiting the offset of the mounting seat relative to the fixing seat in a vertical plane.

The pushing piece is a round table with a small top end and a large bottom end, and the side surface of the round table forms the first annular pushing inclined surface. In this structure, the side of round platform and the cell wall of storage tank all are the slope setting, when the position of mount pad takes place the skew in vertical plane for the position of fixing base, the round platform removes and slides along the top push inclined plane along the skew direction, lead to the interval grow between the tank bottom of round platform and storage tank, because the position of mount pad is unchangeable for sheathed tube position, the fixing base outwards removes, the fixing base is pressed on the door frame with bigger effort, cooperation between the two is more firm, the reliability is better.

The top push away the piece for annular boss, the storage tank be with annular boss matched with ring channel, annular boss hold and set up the ring channel in, the lateral wall of annular boss form top to bottom and lean out gradually and form first annular top push away the inclined plane, the inside wall of annular boss from top to bottom and slope gradually inwards form third annular top and push away the inclined plane, the outer cell wall of ring channel form second annular top push away the inclined plane, the inner cell wall of ring channel form third annular top push away inclined plane complex fourth annular top push away the inclined plane. In this structure, the interior lateral wall of annular boss and the inside and outside cell wall of ring channel all are the slope setting, when the position of mount pad takes place the skew in vertical plane for the position of fixing base, the annular boss removes and slides along the top push inclined plane along the skew direction, lead to the interval grow between the tank bottom of annular boss and ring channel, because the position of mount pad is unchangeable for sheathed tube position, the fixing base outwards removes, the fixing base is pressed on the door frame with bigger effort, cooperation between the two is more firm, the reliability is better.

The pushing piece is fixedly arranged on one side of the mounting seat, and the accommodating groove is formed in one side of the fixing seat.

The pushing piece is fixedly arranged on one side of the fixed seat, and the accommodating groove is formed in one side of the mounting seat.

The limiting mechanism comprises a limiting column fixedly arranged on the mounting seat and a limiting hole arranged on the fixing seat, the limiting column extends into the limiting hole, and a gap is reserved between the outer side wall of the limiting column and the inner side wall of the limiting hole. When the position of mount pad takes place the skew in vertical plane for the position of fixing base, spacing post is in spacing downthehole position change, and when the lateral wall of spacing post and the inside wall in spacing hole contacted, the top pushes away the storage tank in the unable continuation top in this skew direction of piece to take place the slippage between prevention mount pad and the fixing base, the top of control top simultaneously pushes away the piece is apart from, and the reliability is better.

The mounting seat on distribute along the circumferencial direction and have at least three internal thread post, the internal thread post on the cover be equipped with the spring, the fixing base on distribute along the circumferencial direction and have the quantity with the counter sink that the internal thread post equals, the counter sink constitute by counter sink portion and perforation portion, the bolt pass the perforation portion and with the internal thread post spiro union, the aperture of perforation portion be greater than the diameter of the screw rod of bolt, the aperture of perforation portion be less than the diameter of the bolt head of bolt, the bolt head of bolt hold set up in the counter sink portion, the bolt head of bolt with the internal thread post between the clearance be greater than the degree of depth of perforation portion, the both ends of spring respectively with the mounting seat, the fixing base be connected. In this structure, the bolt passes the perforation and is connected with the internal thread post, and the bolt restricts the position of fixing base with the cooperation of internal thread post, prevents that the mount pad from taking place the risk that probably takes place to heels when relative rotation for the fixing base, and the reliability is better, and the fixing base can not break away from the mount pad and have certain activity space simultaneously, and the position of fixing base can be in the skew takes place for the position of vertical relative mount pad in the plane, also can be to the direction removal of keeping away from the mount pad.

The anti-skid device is characterized in that a plurality of mounting blocks are arranged on one side of the anti-skid pad, a plurality of mounting holes are formed in the other side of the fixing seat, and the mounting blocks are inserted into the mounting holes. In the structure, the mounting block is inserted and matched with the mounting hole, so that the assembly is simpler.

The anti-skid device is characterized in that at least three positioning blocks distributed along the circumferential direction are arranged on the other side of the fixing seat, the positioning blocks are in contact with the outer side wall of the anti-skid pad, and the height of each positioning block is smaller than the thickness of the anti-skid pad. In this structure, the locating piece plays the positioning action, and the staff of being convenient for assembles the slipmat according to the position of locating piece, and the locating piece butt is on the lateral wall of slipmat simultaneously to restrict the position of slipmat, avoid the risk that the slipmat probably takes place the slippage, be favorable to improving the reliability.

The middle tube is internally and fixedly provided with a screw rod which extends along the axial direction, the inner side wall of the sleeve is provided with internal threads, and the inner end of the sleeve extends into the middle tube and is in threaded fit with the screw rod.

Compared with the prior art, the door frame structure has the advantages that the pushing piece, the accommodating groove and the limiting mechanism are arranged between the mounting seat and the fixing seat, the first annular pushing inclined surface of the pushing piece is matched with the second annular pushing inclined surface of the accommodating groove, when the mounting seat deviates towards any direction in a vertical plane relative to the fixing seat, the pushing piece can move along the deviation direction and slide along the pushing inclined surface, so that the distance between the pushing piece and the bottom of the accommodating groove is increased, the fixing seat moves outwards due to the fact that the position of the mounting seat is unchanged relative to the position of the sleeve, the fixing seat presses the door frame with larger acting force, the matching between the pushing piece and the bottom of the accommodating groove is firmer, the safety coefficient is greatly improved, the reliability is better, meanwhile, the deviation of the mounting seat relative to the fixing seat in the vertical plane is limited through the.

Drawings

FIG. 1 is a schematic view of a horizontal bar on a door according to the present invention;

FIG. 2 is a first schematic structural diagram of a positioning device according to the present invention;

FIG. 3 is a second schematic structural view of the positioning device of the present invention;

FIG. 4 is a first schematic cross-sectional view of a positioning device according to the present invention;

FIG. 5 is a schematic cross-sectional view of a positioning device according to the present invention;

FIG. 6 is a schematic cross-sectional view of the mounting base of the present invention;

FIG. 7 is a schematic cross-sectional view of the fixing base of the present invention;

FIG. 8 is a third schematic sectional view of the positioning device of the present invention;

FIG. 9 is a cross-sectional view of a positioning device according to a fourth embodiment of the present invention;

FIG. 10 is a first schematic view of an exploded view of a positioning device according to the present invention;

FIG. 11 is a second schematic diagram of the positioning device of the present invention in an exploded configuration;

fig. 12 is an enlarged schematic view at a in fig. 9.

In the figure: 1. an intermediate pipe; 2. a sleeve; 3. a positioning device; 31. a mounting seat; 311. an internally threaded post; 312. a spring; 32. a fixed seat; 321. a countersunk hole; 3211. a countersunk head part; 3212. a perforation portion; 322. mounting holes; 323. positioning blocks; 33. a non-slip mat; 331. mounting blocks; 4. pushing the piece; 41. a first annular pushing inclined plane; 42. a third annular pushing inclined plane; 5. a containing groove; 51. a second annular pushing inclined plane; 52. a fourth annular pushing inclined plane; 6. a limiting mechanism; 61. a limiting column; 62. and a limiting hole.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The first embodiment is as follows: as shown in the figure, the horizontal bar on the door comprises a middle pipe 1 and sleeve pipes 2 movably arranged at two ends of the middle pipe 1, the middle pipe 1 is in spiral connection with the sleeve pipes 2, the outer ends of the sleeve pipes 2 are provided with positioning devices 3, each positioning device 3 comprises an installation seat 31 and a fixed seat 32, one side of each installation seat 31 is movably connected with one side of each fixed seat 32, the other side of each installation seat 31 is fixedly connected with the outer end of each sleeve pipe 2, the other side of each fixed seat 32 is fixedly provided with an anti-skid pad 33, a pushing piece 4 is arranged between one side of each installation seat 31 and one side of each fixed seat 32, the pushing piece 4 is accommodated in the accommodating groove 5, a first annular pushing inclined surface 41 is arranged on the side surface of the pushing piece 4, a second annular pushing inclined surface 51 matched with the first annular pushing inclined surface 41 is formed on the groove wall of the accommodating groove 5, and the limiting mechanism 6 is used for limiting the offset of the mounting seat 31 relative to the fixing seat 32 in a vertical plane.

In this embodiment, the pushing member 4 is a circular truncated cone with a small top end and a large bottom end, and a first annular pushing inclined surface 41 is formed on the side surface of the circular truncated cone.

In this embodiment, the pushing member 4 is fixedly disposed on one side of the mounting seat 31, and the receiving groove 5 is disposed on one side of the fixing seat 32.

In this embodiment, the non-slip mat 33 can be a commercially available rubber mat.

Example two: the rest of the embodiment is the same as the first embodiment, and the difference is that the pushing member 4 is an annular boss, the accommodating groove 5 is an annular groove matched with the annular boss, the annular boss is accommodated in the annular groove, the outer side wall of the annular boss gradually inclines outwards from the top end to the bottom end to form a first annular pushing inclined surface 41, the inner side wall of the annular boss gradually inclines inwards from the top end to the bottom end to form a third annular pushing inclined surface 42, the outer groove wall of the annular groove forms a second annular pushing inclined surface 51, and the inner groove wall of the annular groove forms a fourth annular pushing inclined surface 52 matched with the third annular pushing inclined surface 42.

Although the circular truncated cone in the first embodiment is matched with the accommodating groove 5 to play a role in pushing, the stress surface between the circular truncated cone and the accommodating groove 5 is distributed too far outward, the acting force effect on the anti-skid pad 33 is general, and the risk of side inclination exists, so that the second embodiment adopts the annular boss, the first annular pushing inclined surface 41 is matched with the second annular pushing inclined surface 51, the third annular pushing inclined surface 42 is matched with the fourth annular pushing inclined surface 52, and the reliability is better compared with that of the circular truncated cone.

Example three: the rest of the embodiment is the same as the first embodiment, except that the pushing member 4 is fixedly disposed on one side of the fixing seat 32, and the receiving groove 5 is disposed on one side of the mounting seat 31.

Example four: the rest parts are the same as the embodiment, and the difference is that the limiting mechanism 6 comprises a limiting post 61 fixedly arranged on the mounting seat 31 and a limiting hole 62 arranged on the fixing seat 32, the limiting post 61 extends into the limiting hole 62, a gap is reserved between the outer side wall of the limiting post 61 and the inner side wall of the limiting hole 62, and the outer diameter of the limiting post 61 is smaller than the inner diameter of the limiting hole 62.

In this embodiment, at least three internal threaded columns 311 are equidistantly distributed on the mounting seat 31 along the circumferential direction, a spring 312 is sleeved on each internal threaded column 311, countersunk holes 321 equal in number to the internal threaded columns 311 are equidistantly distributed on the fixing seat 32 along the circumferential direction, each countersunk hole 321 is composed of a countersunk portion 3211 and a perforated portion 3212, a bolt penetrates through each perforated portion 3212 and is in threaded connection with the internal threaded column 311, the aperture of each perforated portion 3212 is larger than the diameter of the bolt, the aperture of each perforated portion 3212 is smaller than the diameter of the bolt head of the bolt, the bolt head of the bolt is accommodated and arranged in the countersunk portion 3211, the gap between the bolt head of the bolt and the internal threaded column 311 is larger than the depth of each perforated portion 3212, and two ends of the spring 312 are respectively connected with the mounting seat 31 and the fixing.

In this embodiment, one side of the non-slip mat 33 is provided with a plurality of mounting blocks 331, the other side of the fixing base 32 is provided with a plurality of mounting holes 322, and the mounting blocks 331 are inserted into the mounting holes 322.

In this embodiment, at least three positioning blocks 323 equally spaced apart from each other along the circumferential direction are disposed on the other side of the fixing base 32, the positioning blocks 323 contact with the outer side wall of the non-slip mat 33, and the height of the positioning blocks 323 is smaller than the thickness of the non-slip mat 33.

In this embodiment, a screw rod (not shown) extending along the axial direction is fixedly arranged in the middle tube 1, an inner side wall of the sleeve 2 is provided with an internal thread, and the inner end of the sleeve 2 extends into the middle tube 1 and is in threaded fit with the screw rod.

When the horizontal bar on the door is used, the horizontal bar on the door is placed in a door frame, the sleeve 2 is rotated to enable the sleeve 2 to extend outwards along the axial direction of the screw rod, finally the positioning device 3 at the outer end of the sleeve 2 is pressed on the side wall of the door frame, the mounting seat 31 is clung to the fixed seat 32 at the moment, the fixed seat 32 is clung to the door frame through the anti-skid pad 33, then the sleeve 2 and the middle tube 1 are locked, the locking mode can be locked by adopting a common lock catch on the market, and the horizontal bar on the door is horizontally placed at the moment; when the user holds middle tube 1 and takes exercise, middle tube 1 can receive the effort that the user produced, and this effort passes through on sleeve pipe 2 transmits mount pad 31 to make the position of mount pad 31 take place the skew in vertical plane for the position of fixing base 32, mount pad 31 pushes away fixing base 32 outwards through top pushing part 4 this moment, and the connection between fixing base 32 and the door frame is more firm, and the reliability is better.

Because mount pad 31 takes place the skew for fixing base 32 in arbitrary direction in the vertical plane, mount pad 31 all can push fixing base 32 through ejector 4 and outwards remove, makes the cooperation between fixing base 32 and the doorframe more firm, so horizontal bar on the door is not limited to do the chin, also can do actions such as horizontal chin, horizontal bar arm are bent and are stretched, turn, has enlarged the application scope of horizontal bar on the door.