CN218961660U

CN218961660U - Lock and horizontal bar on door

Info

Publication number: CN218961660U
Application number: CN202222590694.1U
Authority: CN
Inventors: 胡杰敏
Original assignee: YONGKANG JIECHUANG INDUSTRIAL PRODUCT DESIGN CO LTD
Current assignee: YONGKANG JIECHUANG INDUSTRIAL PRODUCT DESIGN CO LTD
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-05-05
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to the technical field of fitness equipment, and discloses an anti-loose lock and a horizontal bar on a door, comprising a first occluding piece and a second occluding piece; the first engaging piece comprises a first sleeve, a guide protrusion for driving the telescopic rod to axially move relative to the holding rod is convexly arranged on the inner wall of the first sleeve, and the first sleeve is rotated on a connecting piece; a second engagement member including a second sleeve guided for movement over the connector member and movable toward and away from the first sleeve when moved; the unidirectional locking mechanism comprises a unidirectional tooth socket and a unidirectional tooth block which are respectively arranged on one side opposite to the first sleeve and the second sleeve, and the first sleeve and the second sleeve can only rotate relatively along one direction after the unidirectional tooth block is matched with the unidirectional tooth socket; the elastic piece is sleeved on the connecting piece and drives the second sleeve to be close to the first sleeve, the one-way tooth block and the one-way tooth slot are in a meshed state, and the anti-loosening lock can automatically realize anti-loosening after being applied to the horizontal bar on the door.

Description

Lock and horizontal bar on door

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to a locking lock and a horizontal bar on a door.

Background

The horizontal bar on the door is a horizontal bar which is detachably fixed between door frames. The horizontal bar generally includes holding rod and flexible telescopic link that sets up in the holding rod tip on the current door, and the telescopic link passes through screw structure and is connected with the holding rod, adjusts both total lengths through the relative cooperation of two, in the use, simple screw cooperation makes can take place relative deflection motion between telescopic link and the holding rod, leads to the horizontal bar to have the risk of falling down from the door frame on the door.

Based on the above-mentioned problem, chinese patent publication No. CN215025627U discloses a horizontal bar retaining member on door and horizontal bar on door, the horizontal bar retaining member on its door is including first interlock piece, second interlock piece and be used for the retaining member with first interlock piece and second interlock piece, first interlock piece includes the first sleeve pipe of being connected with the holding rod, be provided with first interlock portion on the first sleeve pipe, the second interlock piece includes the second sleeve pipe of cup jointing on the telescopic link outer wall, be provided with the second interlock portion with first interlock portion interlock on the second sleeve pipe, the second sleeve pipe is provided with the direction arch of driving the telescopic link along holding rod axial displacement, this retaining member is a thread bush, the thread bush possesses the internal thread, be provided with the clamping ring on the thread bush, when rotatory thread bush, the clamping ring pushes up the second sleeve pipe and is close to first sleeve pipe, after second interlock portion and first interlock portion meshing, first interlock piece and second interlock piece lock.

In the use of horizontal bar on the door, only need the telescopic link not retract just can prevent in the use, horizontal bar falls down from the door frame on the door, and foretell retaining member just can realize the locking of first interlock portion and second interlock portion through rotating, so, after adjusting length, only need increase the step that one step rotated the retaining member and just can realize the locking effect of horizontal bar.

Disclosure of Invention

Aiming at the defect that the horizontal bar locking piece on the door in the prior art cannot realize automatic locking after the length adjustment of the horizontal bar and can be locked only by manual operation, the horizontal bar anti-loosening lock on the door is provided.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

a lock comprises a first engagement member and a second engagement member;

the first engaging piece comprises a first sleeve, a guide protrusion for driving the telescopic rod to axially move relative to the holding rod is convexly arranged on the inner wall of the first sleeve, and the first sleeve is rotated on a connecting piece;

a second engagement member including a second sleeve guided for movement over the connector member and movable toward and away from the first sleeve when moved;

the unidirectional locking mechanism comprises a unidirectional tooth socket and a unidirectional tooth block which are respectively arranged on one side opposite to the first sleeve and the second sleeve, and the first sleeve and the second sleeve can only rotate relatively along one direction after the unidirectional tooth block is matched with the unidirectional tooth socket;

the elastic piece is sleeved on the connecting piece and drives the second sleeve to be close to the first sleeve, and the one-way tooth block and the one-way tooth slot are in a meshed state.

By adopting the scheme, the unidirectional locking mechanism can only enable the first engaging piece and the second engaging piece to rotate relatively along one direction, only the direction is required to ensure that the telescopic rod moves relatively to the extending direction of the holding rod, the phenomenon that the telescopic rod contracts relatively to the holding rod when the locking lock is applied to the telescopic rod and the holding rod of a comparison file can be avoided, the unidirectional locking mechanism can only enable the matching of the horizontal bar on the door and the door frame to be better and firmer, unlocking can be realized only by moving the second engaging piece reversely, at the moment, the first engaging piece and the second engaging piece can rotate relatively positively and negatively, retraction of the telescopic rod can be performed, and the upper lever of the door is taken down from the door frame, so that the locking lock can realize locking automatically.

Preferably, the one-way tooth block is a ratchet, two sides of the ratchet are respectively an inclined plane and a vertical plane, and the one-way tooth slot is a ratchet slot matched with the ratchet.

By adopting the scheme, when the relative rotation of the first sleeve and the second sleeve faces the direction of the inclined plane, the ratchet and the ratchet groove slide, and the first sleeve and the second sleeve can rotate relatively; when the relative rotation of the first sleeve and the second sleeve is in the vertical direction, the first sleeve and the second sleeve cannot rotate relative to each other.

Preferably, the ratchet teeth are circumferentially uniformly spaced about the end of the second sleeve and the ratchet grooves are circumferentially uniformly spaced about the end of the first sleeve.

Preferably, a guide mechanism for preventing the second sleeve from rotating relative to the connecting piece is arranged between the matching ring and the connecting piece, and the guide mechanism comprises a guide block protruding from the outer wall of the connecting piece and a first guide groove arranged on the second sleeve and used for the insertion of the guide block.

Preferably, the second sleeve is provided with a limiting part for driving the ratchet and the ratchet groove to be in a separation state, the limiting part comprises a matching ring vertically extending from one side of the second sleeve, which is close to the first sleeve, the first guide groove is arranged on the inner annular surface of the matching ring, when the matching ring moves to one side of the guide block, which is far away from the first sleeve, and the first guide groove is staggered with the guide block, the matching ring is clamped with the guide block, and the ratchet keeps a separation state from the ratchet groove.

By adopting the scheme, the setting of cooperation ring can provide the joint face for the guide block to keep away from first sheathed tube one end with second sleeve pipe tip joint at the guide block, the benefit of setting like this is, can avoid the elastic component to drive the second sleeve pipe to reset, ensures that first sleeve pipe remains smooth rotation state with the connecting piece all the time.

Preferably, a limiting ring is convexly arranged on one side, far away from the first sleeve, of the guide block on the outer annular wall of the connecting piece, and the elastic piece is sleeved on the connecting piece, and two ends of the elastic piece are respectively elastically abutted with the limiting ring and the matching ring.

Preferably, a ring groove is arranged on one side of the guide block, close to the first sleeve, of the connecting piece, and a movable lug which can be clamped into the ring groove and rotate circumferentially around the ring groove is convexly arranged on the inner annular wall of the first sleeve.

By adopting the scheme, the first sleeve and the connecting piece can be rotationally connected through the cooperation of the annular groove and the movable lug.

The second object of the utility model is: the utility model provides a horizontal bar on door, including holding rod and telescopic link, the telescopic link inserts the at least one end of locating the holding rod, is provided with the anti-loosening lock between telescopic link and holding rod, and first sheathed tube one end and holding rod fixed connection are kept away from to the connecting piece, are provided with along its axial on the telescopic link and supply the bellied male second guide slot of direction, are close to the one end of holding rod at the telescopic link and are fixed with a nut, are fixed with one end and nut cooperation and insert the screw rod in the telescopic link at the holding rod internal fixation.

By adopting the scheme, when the unidirectional tooth block is meshed with the unidirectional tooth groove, the second sleeve and the first sleeve can only perform relative sliding movement along one direction, at the moment, the telescopic rod is held by one hand, the holding rod is rotated by the other hand, and as the telescopic rod is connected with the inside of the holding rod through the nut and the screw rod, the telescopic rod and the first sleeve do not perform circumferential rotation under the action of the hand when the holding rod rotates, and the telescopic rod can only perform stretching movement relative to the holding rod (the setting direction of the unidirectional tooth groove and the unidirectional tooth block is determined); when the unidirectional tooth block is separated from the unidirectional tooth groove, the second sleeve and the first sleeve can relatively rotate along the positive direction and the negative direction, so that the double telescopic movement of the telescopic rod relative to the holding rod can be realized.

Preferably, one end of the screw rod, which is far away from the telescopic rod, is fixedly provided with a mounting block, and the mounting block is fixedly connected with the holding rod through a pin shaft or a screw.

Preferably, an anti-skid sleeve is arranged on the outer elastic interference sleeve of the holding rod.

The utility model adopts the technical proposal and has the following technical effects: the novel anti-loosening lock is arranged between the existing telescopic rod and the holding rod and comprises a first occluding part, a second occluding part, a one-way locking mechanism and an elastic part, the one-way locking mechanism enables the first occluding part and the second occluding part to rotate relatively along one direction, only the direction is required to ensure that the telescopic rod moves relative to the extending direction of the holding rod, the phenomenon that the telescopic rod contracts relative to the holding rod when the anti-loosening lock is applied to the telescopic rod and the holding rod of a comparison file can be avoided after the telescopic rod and the holding rod are in a locking state, the one-way locking mechanism only enables the matching of a horizontal rod on a door and the door frame to be better and firmer, and only the second occluding part is required to be moved reversely, so that unlocking can be realized, at the moment, the first occluding part and the second occluding part can rotate relatively positively and negatively, and retraction of the telescopic rod can be carried out, and the upper lever on the door can be taken down from the door frame, so that the anti-loosening lock can be automatically realized.

Drawings

FIGS. 1-2 are exploded views of an anti-lock of embodiment 1;

FIG. 3 is an isometric view of a horizontal bar on a door of example 2;

FIG. 4 is a front view of a horizontal bar on a door of example 2;

FIG. 5 is a cross-sectional view of A-A of FIG. 4;

FIG. 6 is an enlarged view of A of FIG. 5;

fig. 7 is a front view of a horizontal bar on a door of embodiment 3.

The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a first sleeve; 101. a guide protrusion; 102. a ratchet groove; 103. a movable bump; 2. a second sleeve; 3. a mating ring; 4. a ratchet; 401. an inclined plane; 402. a vertical surface; 5. a first guide groove; 6. a connecting piece; 7. a limiting ring; 8. a guide block; 9. a ring groove; 10. an elastic member; 11. a slot; 12. an anti-rotation block; 13. a grip; 14. a telescopic rod; 141. a second guide groove; 15. an anti-skid sleeve; 16. a screw; 17. a mounting block; 18. a nut; 19. a through hole; 20. and a pin shaft.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Example 1

1-2, including connecting piece 6, the one end normal running fit of connecting piece 6 has first interlock spare, first interlock spare includes first sleeve pipe 1, the inner wall of first sleeve pipe 1 is protruding to be equipped with a direction arch 101, the outer rampart of connecting piece 6 is protruding to be equipped with a spacing ring 7, be provided with the second interlock spare between spacing ring 7 and first interlock spare, the second interlock spare is including the cover locate on connecting piece 6 and along the axial displacement of connecting piece 6 and can be close to or keep away from first sleeve pipe 1 second sleeve pipe 2, the one end that second sleeve pipe 2 is close to first sleeve pipe 1 extends perpendicularly has a cooperation ring 3, be provided with unidirectional locking mechanism between the one side that cooperation ring 3 and first sleeve pipe 1 are relative, unidirectional locking mechanism includes setting up unidirectional tooth groove and unidirectional tooth piece in first sleeve pipe 1 and the opposite side of second sleeve pipe 2 respectively, this unidirectional tooth piece is ratchet 4 promptly, this ratchet 4 evenly distributes around cooperation ring 3 circumference interval, the both sides of ratchet 4 are inclined plane 401 and perpendicular ratchet face 402 respectively, ratchet groove 102 and ratchet 4 cooperation setting up, the one end that groove 102 is close to first sleeve pipe 1 is equipped with elastic sleeve pipe 10 on the end and elastic sleeve pipe 7 is equipped with the elastic sleeve and elastic sleeve piece respectively on the both ends of this elastic sleeve pipe 10.

The second sleeve 2 and the connecting piece 6 realize that the second sleeve 2 moves along the axial direction of the connecting piece 6 through a guiding mechanism, the guiding mechanism comprises a first guide groove 5 recessed in the inner annular wall of the matching ring 3, a guide block 8 matched with the first guide groove 5 in a guiding way is convexly arranged on one side, close to the first sleeve 1, of the limiting ring 7 on the outer wall of the connecting piece 6, when the matching ring 3 moves to one side, far away from the first sleeve 1, of the guide block 8, and the first guide groove 5 is staggered with the guide block 8, the matching ring 3 is matched with the guide block 8 in a clamping way, and at the moment, the ratchet 4 keeps a state of being separated from the ratchet groove 102.

The running fit of the first sleeve 1 and the connecting piece 6 is achieved by the following structure: on the connecting piece 6, a ring groove 9 concentric with the connecting piece 6 is recessed on one side of the guide block 8 near the first sleeve 1, and at least one movable lug 103 which can be clamped into the ring groove 9 and rotate around the circumferential direction of the ring groove 9 is arranged on the inner ring wall of the first sleeve 1 at intervals in the circumferential direction.

After the arrangement, the second sleeve 2 is always attached to the first sleeve 1 under the action of the elastic piece 10, the ratchet 4 on the second sleeve 2 is always in an engaged state with the ratchet groove 102 on the first sleeve 1, and the first sleeve 1 and the second sleeve 2 can only slip and rotate relative to one direction; when the second sleeve 2 is moved reversely by hand until the matching ring 3 moves to the side of the guide block 8 away from the first sleeve 1 and the second sleeve 2 is rotated to stagger the first guide groove 5 and the guide block 8, the guide block 8 can be clamped on the side of the matching ring 3 close to the first sleeve 1, and at this time, the first sleeve 1 and the second sleeve 2 can realize bidirectional relative rotation.

Example 2

The embodiment discloses a horizontal bar on door, combine the fig. 3-6 to show, including holding rod 13, one end at holding rod 13 stretches out and draws back and is provided with a telescopic link 14, holding rod 13 and telescopic link 14 are the pipe section, the inside concentric screw rod 16 that is fixed with of holding rod 13 of this screw rod 16 is realized through a installation piece 17, the fixed mode is, set up through-hole 19 on holding rod 13, set up screw hole or mating hole on installation piece 17, pass through-hole 19 and installation piece 17 through screw or round pin axle 20 and realize close-fitting, one end at telescopic link 14 is located holding rod 13 is fixed a nut 18, this nut 18 and screw rod 16 adaptation, inside stretching into telescopic link 14 after screw rod 16 passes nut 18, the one end that embodiment 1 was kept away from to connecting piece 6 is provided with the slot 11 that can supply holding rod 13 tip male, recess in holding rod 13 tip recess, protruding anti-rotation piece 12 that is equipped with the recess in slot 11, after anti-rotation piece 12 and recess cooperation, can prevent that connecting piece 6 from passing through the first sleeve pipe 1 and second guide sleeve 1 in proper order, it is connected to the axial direction protruding to the inside of holding rod 14 after the telescopic link 14 is located holding rod 13, the telescopic link 1 is passed through to the telescopic link 1.

When the ratchet 4 is meshed with the ratchet slot 102, the second sleeve 2 and the first sleeve 1 can only relatively slip and rotate along one direction, at the moment, the telescopic rod 14 is held by one hand, the holding rod 13 is rotated by the other hand, and as the telescopic rod 14 and the inside of the holding rod 13 are connected through the nut 18 and the screw 16, the telescopic rod 14 and the first sleeve 1 do not circumferentially rotate under the action of the hand when the holding rod 13 rotates, and the telescopic rod 14 can only extend and move relative to the holding rod 13 (the setting direction of the ratchet 4 and the ratchet slot 102 is determined); when the ratchet 4 is separated from the ratchet groove 102 (unlocked state), the second sleeve 2 and the first sleeve 1 can relatively rotate along the forward and reverse directions, so that the double telescopic movement of the telescopic rod 14 relative to the holding rod 13 can be realized.

Example 3

The difference between this embodiment and embodiment 2 is that, referring to fig. 7, both ends of the grip 13 are telescopically provided with a telescopic rod 14, and the anti-loosening lock of embodiment 1 is disposed between the telescopic rod 14 and the grip 13, the screw 16 includes two threaded sections with opposite threads, and the mounting block 17 is located between the two threaded sections.

Claims

1. A lock comprises a first engagement member and a second engagement member; the method is characterized in that:

the first occluding piece comprises a first sleeve (1), a guide protrusion (101) for driving the telescopic rod (14) to axially move relative to the holding rod (13) is convexly arranged on the inner wall of the first sleeve (1), and the first sleeve (1) is rotated on a connecting piece (6);

a second engagement member comprising a second sleeve (2) guided for movement on the connecting member (6) and being movable towards and away from the first sleeve (1) when moved;

the unidirectional locking mechanism comprises unidirectional tooth grooves and unidirectional tooth blocks which are respectively arranged on the opposite sides of the first sleeve (1) and the second sleeve (2), and the first sleeve (1) and the second sleeve (2) can only rotate relatively along one direction after the unidirectional tooth blocks are matched with the unidirectional tooth grooves;

the elastic piece (10) is sleeved on the connecting piece (6) and drives the second sleeve (2) to be close to the first sleeve (1), and the unidirectional tooth block and the unidirectional tooth slot are in a meshed state.

2. A lock according to claim 1, wherein: the unidirectional tooth block is a ratchet (4), two sides of the ratchet (4) are respectively provided with an inclined plane (401) and a vertical plane (402), and the unidirectional tooth slot is a ratchet slot (102) matched with the ratchet (4).

3. A lock according to claim 2, wherein: the ratchet teeth (4) are circumferentially and uniformly spaced around the end of the second sleeve (2), and the ratchet grooves (102) are circumferentially and uniformly spaced around the end of the first sleeve (1).

4. A lock according to claim 1, wherein: a guiding mechanism for preventing the second sleeve (2) from rotating relative to the connecting piece (6) is arranged between the matching ring (3) and the connecting piece (6), and comprises a guide block (8) protruding from the outer wall of the connecting piece (6) and a first guide groove (5) arranged on the second sleeve (2) and used for the guide block (8) to be inserted.

5. A lock according to claim 4, wherein: be provided with the spacing portion that order about ratchet (4) and ratchet groove (102) to be in the state of breaking away from on second sleeve pipe (2), spacing portion includes that one side that is close to first sleeve pipe (1) in second sleeve pipe (2) extends perpendicularly has a cooperation ring (3), and first guide slot (5) set up on the interior anchor ring of cooperation ring (3), and when cooperation ring (3) remove to guide block (8) one side that keeps away from first sleeve pipe (1) and first guide slot (5) stagger with guide block (8), cooperation ring (3) and guide block (8) joint, the state that ratchet (4) keep breaking away from ratchet groove (102).

6. A lock according to claim 5, wherein: a limiting ring (7) is convexly arranged on the outer annular wall of the connecting piece (6) at one side of the guide block (8) far away from the first sleeve (1), the elastic piece (10) is sleeved on the connecting piece (6) and two ends of the elastic piece are respectively elastically abutted with the limiting ring (7) and the matching ring (3).

7. A lock according to claim 4, wherein: a ring groove (9) is arranged on one side, close to the first sleeve (1), of the guide block (8) on the connecting piece (6), and a movable lug (103) which can be clamped into the ring groove (9) and rotate circumferentially around the ring groove (9) is convexly arranged on the inner annular wall of the first sleeve (1).

8. The utility model provides a horizontal bar on door, includes holding rod (13) and telescopic link (14), its characterized in that: the telescopic rod (14) is inserted into at least one end of the holding rod (13), an anti-loosening lock as claimed in any one of claims 1-7 is arranged between the telescopic rod (14) and the holding rod (13), one end of the connecting piece (6) far away from the first sleeve (1) is fixedly connected with the holding rod (13), a second guide groove (141) for inserting the guide protrusion (101) is axially arranged on the telescopic rod (14), a nut (18) is fixed at one end, close to the holding rod (13), of the telescopic rod (14), and a screw rod (16) with one end matched with the nut (18) and inserted into the telescopic rod (14) is fixed in the holding rod (13).

9. A door horizontal bar as set forth in claim 8 wherein: one end of the screw rod (16) far away from the telescopic rod (14) is fixedly provided with a mounting block (17), and the mounting block (17) is fixedly connected with the holding rod (13) through a pin shaft (20) or a screw.

10. A door horizontal bar as set forth in claim 9 wherein: an anti-skid sleeve (15) is sleeved outside the holding rod (13) in an elastic interference manner.