CN220530575U - Improved anti-loose horizontal bar on indoor door - Google Patents

Abstract

The utility model relates to an improved anti-loosening indoor door upper horizontal bar, which comprises a horizontal bar body and at least one telescopic supporting device, wherein the telescopic supporting device comprises a telescopic tube and a supporting part, one end of the telescopic tube penetrates into the horizontal bar body and is in telescopic connection with the horizontal bar body through threads, the other end of the telescopic tube is connected with the supporting part, the improved anti-loosening indoor door upper horizontal bar also comprises a locking device, the locking device comprises a clamping block convexly arranged on the peripheral wall of the end part of the horizontal bar body and a locking sleeve axially sleeved on the telescopic tube in a sliding manner, a track groove is axially concavely arranged on the peripheral wall of the telescopic tube, a limiting block clamped into the track groove is convexly arranged on the inner peripheral wall of the locking sleeve, a plurality of clamping blocks are also concavely arranged on the inner peripheral wall of the locking sleeve and are matched with the clamping block sleeve at intervals along the circumferential direction, and one corresponding clamping block can be matched with the clamping block sleeve when the locking sleeve is positioned at different circumferential positions due to screwing operation of the telescopic tube. The utility model has good anti-loosening and anti-falling performance, simple structure, convenient operation and use and high reliability.

Description

Improved anti-loose horizontal bar on indoor door

Technical Field

The utility model relates to the field of fitness equipment, in particular to an improved anti-loosening horizontal bar on an indoor door.

Background

The horizontal bar on the indoor door is widely used as a household body-building equipment because of small occupied space and convenient exercise. The horizontal bar on the indoor door in the prior art is generally composed of a horizontal bar body and telescopic supporting devices arranged at two ends of the horizontal bar body, when the horizontal bar is used, the telescopic supporting devices at two ends are adjusted to a position propped against a door frame and then locked by a locking mechanism, and then pull-up and other movements can be carried out. However, the existing locking device for the horizontal bar on the indoor door has the defects of complex structure, inconvenient locking operation, poor reliability and the like, and therefore, the improvement of related practitioners is needed.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the improved anti-loosening indoor door upper horizontal bar which is simple in structure, convenient to operate and use and high in reliability.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a horizontal bar on improvement formula locking indoor door, includes the horizontal bar body and sets up the telescopic strutting arrangement in at least one end of the horizontal bar body, telescopic strutting arrangement includes flexible pipe and supporting part, flexible pipe one end penetrates in the corresponding end of the horizontal bar body and passes through screw thread telescopic connection with it, the other end is connected supporting part still includes locking device, locking device is including protruding establish fixture block and the cover that can axially sliding establish on the flexible pipe on the outer peripheral wall of the corresponding tip of horizontal bar body, be equipped with the track groove along the axial on the outer peripheral wall of flexible pipe, protruding being equipped with in the interior peripheral wall of lock cover is blocked in order to restrict the lock cover can only follow the stopper that the track groove slided, still concave be equipped with on the interior peripheral wall of lock cover be used for with fixture block plug bush complex bayonet socket, the circumference interval is provided with a plurality of, so that still can let one of them correspond when the lock cover is in different circumference positions because of the operation of screwing of flexible pipe is in the bayonet socket with flexible pipe lock bar together the lock bar body.

Further, one end of the locking sleeve, which is close to the horizontal bar body, is provided with a first inner hole with a diameter larger than the outer diameter of the horizontal bar body, the bayonet is arranged on the peripheral wall of the first inner hole, and the bayonet is a strip-shaped bayonet which is formed by opening one end face of the locking sleeve, which is close to the horizontal bar body, and axially extending one end, which is far away from the horizontal bar body.

Further, one end of the bayonet close to the clamping block is provided with a guiding opening flaring outwards, and one end of the bayonet away from the clamping block is provided with a stopping part matched with the stopping part of the clamping block.

Further, one end of the locking sleeve, which is far away from the horizontal bar body, is provided with a second inner hole with a diameter smaller than that of the outer side of the horizontal bar body but larger than that of the outer diameter of the telescopic tube, and the limiting block is arranged on the peripheral wall of the second inner hole.

Further, the clamping block is a strip-shaped clamping block which extends along the axial direction of the horizontal bar body.

Preferably, the support part comprises a fixed seat and a movable seat, one end of the fixed seat is arranged into a vertical structure, a first limit chute is concavely arranged at the other end of the fixed seat, a second limit chute is concavely arranged on the bottom wall of the first limit chute, clamping grooves are respectively arranged at the bottoms of two side walls of the second limit chute, one end of the movable seat is connected with the telescopic pipe, a first sliding connection part embedded into the first limit chute and capable of sliding up and down in the first limit chute and a second sliding connection part embedded into the second limit chute and capable of sliding up and down in the second limit chute are arranged at the other end of the movable seat, limit back-off buckles clamped into corresponding clamping grooves are respectively arranged at two sides of the second sliding connection part, the bottom wall of the first limit chute and the bottom wall of the second limit chute are both arranged into inclined structures inclined from top to bottom in the direction of the movable seat, the first sliding connection part is arranged into inclined structures matched with the bottom wall shape of the first limit chute and the inclined structures in sliding connection mode, and the second sliding connection part is arranged into inclined structures matched with the bottom wall shape of the second limit chute.

The support component comprises a fixed seat and a movable seat, wherein one end of the fixed seat is of a vertical structure, a first limit chute is concavely arranged at the other end of the fixed seat, a second limit chute is concavely arranged on the bottom wall of the first limit chute, clamping grooves are respectively arranged at the bottoms of two side walls of the first limit chute, one end of the movable seat is connected with the telescopic pipe, a first sliding connection part embedded into the first limit chute and capable of sliding up and down in the first limit chute and a second sliding connection part embedded into the second limit chute and capable of sliding up and down in the second limit chute are arranged at the other end of the movable seat, limit back-off buckles clamped into corresponding clamping grooves are respectively arranged at two sides of the first limit chute, the bottom wall of the first limit chute and the bottom wall of the second limit chute are of an inclined structure inclined towards the direction of the movable seat from top to bottom, the first sliding connection part is of an inclined structure matched with the bottom wall shape of the first limit chute and in a sliding manner, and the second sliding connection part is of the bottom wall of the second limit chute.

Furthermore, one end of the movable seat, which is connected with the telescopic pipe, is provided with a connecting sleeve for the telescopic pipe to be connected with, the inner peripheral wall of the connecting sleeve is provided with a positioning block clamped into the track groove, and the vertical structure end of the fixed seat is connected with a soft supporting cushion.

Furthermore, both ends of the horizontal bar body are provided with the telescopic supporting device and the locking device.

Further, a horizontal bubble is fixedly arranged outside the middle of the horizontal bar body, soft holding sleeves are sleeved outside the two sides of the horizontal bar body, and a screw rod for the threaded connection of the penetrating ends of the telescopic tubes is fixed inside the horizontal bar body.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, the telescopic locking structure is very simple, when the telescopic pipe is screwed and stretches to a required position, the locking sleeve is only required to be sleeved on the end part of the horizontal bar body in a sliding mode, and the corresponding bayonet on the locking sleeve is clamped with the clamping block plug bush on the end part of the horizontal bar body, so that the telescopic locking structure is very convenient.

Secondly, the utility model has good anti-loosening and anti-falling performance, specifically, the utility model designs a locking device to lock the telescopic pipe on one hand, so that the telescopic pipe cannot be loosened due to the phenomenon of sliding wires when in use, and on the other hand, two groups of inclined surface structures are adopted between the movable seat and the fixed seat for sliding and abutting, so that when the horizontal bar body receives the downward pulling acting force of human body movement, the fixed seat can be pressed by the movable seat in the lateral direction when the movable seat slides downwards, and the fixed seat can be more firmly abutted and supported on the door frame, thereby preventing the horizontal bar from falling off from the door frame.

Drawings

Fig. 1 is a perspective view of a horizontal bar on an improved anti-loosening indoor door according to a preferred embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a horizontal bar of an improved anti-loosening indoor door according to a preferred embodiment of the present utility model.

Fig. 3 is an exploded view showing a locking structure between the telescopic tube and the horizontal bar body in a preferred embodiment of the present utility model.

Fig. 4 is a rear perspective view of the locking sleeve of fig. 3.

Fig. 5 is a schematic diagram showing a separated state of the movable base and the fixed base according to a preferred embodiment of the present utility model.

Fig. 6 is a schematic diagram showing a separated state of the movable base and the fixed base according to another view angle in a preferred embodiment of the present utility model.

Fig. 7 is a schematic diagram showing a separation state of the movable base and the fixed base according to an alternative embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to examples given in the accompanying drawings.

As shown in fig. 1 to 6, in a preferred embodiment of the present utility model, the improved anti-loosening indoor door upper horizontal bar includes a horizontal bar body 1 and telescopic supporting means 2 provided at both ends of the horizontal bar body 1. The telescopic supporting device 2 comprises a telescopic tube 21 and a supporting member 22, wherein one end of the telescopic tube 21 penetrates into the corresponding end of the horizontal bar body 1 and is in telescopic connection with the corresponding end through threads, and the other end of the telescopic tube is connected with the supporting member 22. The telescopic tube 21 is characterized by further comprising a locking device 3, wherein the locking device 3 comprises a clamping block 31 convexly arranged on the outer peripheral wall of the corresponding end part of the horizontal bar body 1 and a locking sleeve 32 axially slidably sleeved on the telescopic tube 21, a track groove 211 is axially concavely arranged on the outer peripheral wall of the telescopic tube 21, a limiting block 321 clamped into the track groove 211 to limit the locking sleeve 32 to slide along the track groove 211 is convexly arranged on the inner peripheral wall of the locking sleeve 32, a plurality of clamping ports 322 matched with the clamping block 31 are further concavely arranged on the inner peripheral wall of the locking sleeve 32, and the clamping ports 322 are circumferentially arranged at intervals so that one corresponding clamping port 322 can be matched with the clamping block 31 when the locking sleeve 32 is positioned at different circumferential positions due to screwing operation of the telescopic tube 21, thereby locking the telescopic tube 21 and the horizontal bar body 1 together.

In this embodiment, the end of the locking sleeve 32 near the horizontal bar body 1 is provided with a first inner hole 320 having a diameter larger than the outer diameter of the horizontal bar body 1, so that the end of the locking sleeve 32 can be sleeved on the horizontal bar body 1 during the locking operation. The bayonet 322 is disposed on the peripheral wall of the first inner hole 320, and the bayonet 322 is a bar-shaped bayonet formed by opening from an end surface of the locking sleeve 32 near the horizontal bar body 1 and axially extending toward an end far from the horizontal bar body 1.

In this embodiment, one end of the bayonet 322 near the latch 31 is provided with an outwardly flared guide opening 322a, and one end of the bayonet 322 far from the latch 31 is provided with a stop portion 322b in stop fit with the latch 31. The guiding opening 322a is configured to guide the bayonet 322 to be inserted into the fixture block 31, and the stop portion 322b can prevent the bayonet 322 from being inserted too much when being inserted into the fixture block 31.

In this embodiment, one end of the locking sleeve 32 far away from the horizontal bar body 1 is provided with a second inner hole 323 with a diameter smaller than the outer diameter of the horizontal bar body 1 but larger than the outer diameter of the telescopic tube 21, and the limiting block 321 is disposed on the peripheral wall of the second inner hole 323.

In this embodiment, the clamping block 31 is a bar-shaped clamping block extending along the axial direction of the horizontal bar body 1, and the clamping block 31 and the horizontal bar body 1 are integrally formed.

In the present embodiment, the support member 22 includes a fixed base 221 and a movable base 222. One end 2211 of the fixing base 221 is provided in a vertical structure so as to be capable of being abutted against a vertical wall surface supported on a door frame; the other end of the fixing base 221 is concavely provided with a first limiting chute 2212, a bottom wall 2213 of the first limiting chute 2212 is concavely provided with a second limiting chute 2214, and two side wall bottoms of the second limiting chute 2214 are respectively provided with a clamping groove 2215. One end of the movable seat 222 is connected with the telescopic tube 21, the other end of the movable seat 222 is provided with a first sliding connection part 2221 embedded in the first limiting chute 2212 and capable of sliding up and down in the first limiting chute 2214 and a second sliding connection part 2222 embedded in the second limiting chute 2214 and capable of sliding up and down in the second limiting chute 2214, and two sides of the second sliding connection part 2222 are respectively provided with a limiting back-off 2223 clamped in the corresponding clamping groove 2215. In addition, the bottom wall 2213 of the first limiting chute 2212 and the bottom wall 2216 of the second limiting chute 2214 are both configured as inclined structures inclined toward the movable seat 222 from top to bottom, the first sliding connection portion 2221 is configured as an inclined structure matching the shape of the bottom wall 2213 of the first limiting chute 2212 and in sliding contact, and the second sliding connection portion 2222 is configured as an inclined structure matching the shape of the bottom wall 2216 of the second limiting chute 2214 and in sliding contact. In this structure, the locking of the limiting back-off 2223 and the clamping groove 2215 can prevent the movable seat 222 from axially separating from the fixed seat 221, and at the same time, when the horizontal bar body 1 receives a pull-down force during a human body movement, the first sliding connection portion 2221 and the second sliding connection portion 2222 of the movable seat 222 slide downward on the bottom wall 2213 of the first limiting sliding groove 2212 and the bottom wall 2216 of the second limiting sliding groove 2214 respectively, so as to further press the fixed seat 221 to move outwards to more reliably support against the door frame.

In this embodiment, a connecting sleeve 2224 for inserting and connecting the telescopic tube 21 is provided at one end of the movable seat 222 connected with the telescopic tube 21, and a positioning block 2225 for being clamped into the track groove 211 is provided on the inner peripheral wall of the connecting sleeve 2224. The vertical structure end of the fixing base 221 is connected with a soft supporting cushion 223 so as to prevent the fixing base from damaging the surface of the door frame when supporting against the door frame.

In this embodiment, a horizontal bubble 4 is fixedly installed at the middle and outer portions of the horizontal bar body 1, and a user can check whether both sides of the horizontal bar are at the same horizontal position when the horizontal bar is installed on the door frame through the horizontal bubble 4. Soft holding sleeves 5 are sleeved outside the two sides of the horizontal bar body 1 so as to be held by a user during use. A screw rod 6 for the threaded connection of the penetrating end of the telescopic pipe 21 is fixed in the horizontal bar body 1.

As shown in fig. 7, in an alternative embodiment of the present utility model, the supporting member 22 may also have the following structure: namely, the door comprises a fixed seat 221 and a movable seat 222, wherein one end 2211 of the fixed seat 221 is arranged into a vertical structure so as to be capable of being propped against a vertical wall surface supported on a door frame; the other end of the fixed seat 221 is concavely provided with a first limit chute 2212, the bottom wall 2213 of the first limit chute 2212 is concavely provided with a second limit chute 2214, and the bottoms of the two side walls of the first limit chute 2212 are respectively provided with a clamping groove 2215; one end of the movable seat 222 is connected with the telescopic pipe 21, the other end of the movable seat 222 is provided with a first sliding connection part 2221 which is embedded in the first limiting chute 2212 and can slide up and down in the first limiting chute 2212 and a second sliding connection part 2222 which is embedded in the second limiting chute 2214 and can slide up and down in the second limiting chute 2214, and two sides of the first sliding connection part 2221 are respectively provided with a limiting back-off 2223 which is clamped in a corresponding clamping groove 2215; in addition, the bottom wall 2213 of the first limiting chute 2212 and the bottom wall 2216 of the second limiting chute 2214 are both configured as inclined structures inclined toward the movable seat 222 from top to bottom, the first sliding connection portion 2221 is configured as an inclined structure matching the shape of the bottom wall 2213 of the first limiting chute 2212 and in sliding contact, and the second sliding connection portion 2222 is configured as an inclined structure matching the shape of the bottom wall 2216 of the second limiting chute 2214 and in sliding contact. In other words, in this alternative embodiment, the bottom of the two side walls of the second limiting sliding groove 2214 is changed to the bottom of the two side walls of the first limiting sliding groove 2212 by the clamping groove 2215 in the previous embodiment, and the two sides of the second sliding connection portion 2222 are changed to the two sides of the first sliding connection portion 2221 by the limiting back-off 2223 in the previous embodiment, so that the design can also prevent the movable seat 222 from axially separating from the fixed seat 221, and also facilitate the demolding during the product mold opening.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the specific embodiments described herein, but is to be accorded the full scope of the claims.

Claims (10)

1. The utility model provides a horizontal bar on locking indoor door of improvement formula, includes the horizontal bar body and sets up the telescopic strutting arrangement in the at least one end of the horizontal bar body, telescopic strutting arrangement includes flexible pipe and supporting part, flexible pipe one end penetrates in the corresponding end of the horizontal bar body and passes through screw thread telescopic connection with it, and the other end is connected supporting part, its characterized in that: the telescopic pipe is characterized by further comprising a locking device, wherein the locking device comprises a clamping block convexly arranged on the peripheral wall of the corresponding end part of the horizontal bar body and a locking sleeve capable of axially and slidably sleeved on the telescopic pipe, a track groove is concavely arranged on the peripheral wall of the telescopic pipe along the axial direction, a limiting block which is clamped into the track groove to limit the locking sleeve to slide along the track groove is convexly arranged on the inner peripheral wall of the locking sleeve, a plurality of clamping openings for being matched with the clamping block sleeve are concavely arranged on the inner peripheral wall of the locking sleeve at intervals along the circumferential direction, so that one corresponding clamping opening of the locking sleeve can still be matched with the clamping block sleeve when the locking sleeve is positioned at different circumferential positions due to screwing operation of the telescopic pipe, and the telescopic pipe and the horizontal bar body are locked together.

2. The improved anti-loosening indoor door upper horizontal bar according to claim 1, wherein: the locking sleeve is characterized in that one end, close to the horizontal bar body, of the locking sleeve is provided with a first inner hole with the diameter larger than the outer diameter of the horizontal bar body, the bayonet is arranged on the peripheral wall of the first inner hole, and the bayonet is a strip-shaped bayonet which is formed by the end face, close to the horizontal bar body, of the locking sleeve and axially extending one end, far away from the horizontal bar body.

3. The improved anti-loosening indoor door upper horizontal bar according to claim 2, wherein: one end of the bayonet close to the clamping block is provided with a guiding opening flaring outwards, and one end of the bayonet away from the clamping block is provided with a stopping part matched with the stopping part of the clamping block.

4. The improved anti-loosening indoor door upper horizontal bar according to claim 3, wherein: one end of the locking sleeve, which is far away from the horizontal bar body, is provided with a second inner hole with the diameter smaller than the outer diameter of the horizontal bar body but larger than the outer diameter of the telescopic pipe, and the limiting block is arranged on the peripheral wall of the second inner hole.

5. An improved anti-loosening indoor door upper horizontal bar according to claim 1 or 2 or 3 or 4, wherein: the clamping block is a strip-shaped clamping block which extends along the axial direction of the horizontal bar body.

6. The improved anti-loosening indoor door upper horizontal bar according to claim 1, wherein: the supporting component comprises a fixed seat and a movable seat, one end of the fixed seat is arranged into a vertical structure, a first limiting chute is concavely arranged at the other end of the fixed seat, a second limiting chute is concavely arranged on the bottom wall of the first limiting chute, clamping grooves are respectively arranged at the bottoms of two side walls of the second limiting chute, one end of the movable seat is connected with the telescopic pipe, a first sliding connection part which is embedded into the first limiting chute and can slide up and down in the first limiting chute and a second sliding connection part which is embedded into the second limiting chute and can slide up and down in the second limiting chute are arranged at the other end of the movable seat, limiting inverted buckles which are clamped into corresponding clamping grooves are respectively arranged at two sides of the second sliding connection part, the bottom wall of the first limiting chute and the bottom wall of the second limiting chute are all of an inclined structure which is inclined towards the direction of the movable seat from top to bottom, and the first sliding connection part is arranged into an inclined structure which is matched with the bottom wall shape of the first limiting chute and is in a sliding connection mode, and the second sliding connection part is arranged into an inclined structure which is matched with the bottom wall shape of the second limiting chute.

7. The improved anti-loosening indoor door upper horizontal bar according to claim 1, wherein: the supporting component comprises a fixed seat and a movable seat, one end of the fixed seat is arranged into a vertical structure, a first limiting chute is concavely arranged at the other end of the fixed seat, a second limiting chute is concavely arranged on the bottom wall of the first limiting chute, clamping grooves are respectively arranged at the bottoms of two side walls of the first limiting chute, one end of the movable seat is connected with the telescopic pipe, a first sliding connection part which is embedded into the first limiting chute and can slide up and down in the first limiting chute and a second sliding connection part which is embedded into the second limiting chute and can slide up and down in the second limiting chute are arranged at the other end of the movable seat, limiting inverted buckles which are clamped into corresponding clamping grooves are respectively arranged at two sides of the first sliding connection part, the bottom wall of the first limiting chute and the bottom wall of the second limiting chute are all of an inclined structure which is inclined towards the direction of the movable seat from top to bottom, and the first sliding connection part is arranged into an inclined structure which is matched with the bottom wall shape of the first limiting chute and is in a sliding connection mode, and the second sliding connection part is arranged into an inclined structure which is matched with the bottom wall shape of the second limiting chute.

8. The improved anti-loosening indoor door upper horizontal bar according to claim 6 or 7, wherein: the telescopic pipe is characterized in that one end of the movable seat, which is connected with the telescopic pipe, is provided with a connecting sleeve for the telescopic pipe to be connected with, the inner peripheral wall of the connecting sleeve is provided with a positioning block clamped into the track groove, and the vertical structure end of the fixed seat is connected with a soft supporting cushion.

9. An improved anti-loosening indoor door upper horizontal bar according to claim 1 or 2 or 3 or 4, wherein: both ends of the horizontal bar body are provided with the telescopic supporting device and the locking device.

10. An improved anti-loosening indoor door upper horizontal bar according to claim 1 or 2 or 3 or 4, wherein: the horizontal bar is characterized in that a horizontal bubble is fixedly arranged outside the middle of the horizontal bar body, soft holding sleeves are sleeved outside two sides of the horizontal bar body, and a screw rod for threaded connection of the penetrating ends of the telescopic tubes is fixed inside the horizontal bar body.