CN217287019U - Horizontal bar body and horizontal bar on door - Google Patents

Abstract

The utility model discloses a horizontal bar body and a door horizontal bar, which comprises a handle pipe, a supporting pipe, two telescopic pipes and at least one locking and unlocking device arranged between the handle pipe and the telescopic pipes, wherein the locking and unlocking device comprises a hollow lock seat which is sleeved on the telescopic pipes and connected with the handle pipe and is used for synchronously rotating along with the handle pipe; the outer circumferential wall of the lock seat is provided with lock teeth; the handle pipe is movably sleeved on the lock seat, the lock sleeve can axially move relative to the telescopic pipe and is circumferentially limited, the inner wall of the lock sleeve is provided with a latch, and the latch can be clamped with or separated from the lock teeth when the lock sleeve axially moves so as to enable the handle pipe to be in a locking state or an unlocking state; under the locking state, the latch is clamped with the locking tooth, and the circumferential rotation of the handle pipe relative to the telescopic pipe is limited; under the unlocking state, the latch is separated from the lock tooth, and the handle pipe can rotate circumferentially relative to the telescopic pipe. The horizontal bar body and the door horizontal bar have simple structures, self-locking function and convenient self-locking operation.

Description

Horizontal bar body and horizontal bar on door

Technical Field

The utility model relates to a body-building apparatus technical field specifically says that a horizontal bar on horizontal bar body and door.

Background

Horizontal bar on the door is a common indoor body-building apparatus, mainly used installs and carries out chin upward movement on the door frame, because its volume is less, and it is fixed to facilitate the installation, receives liking of many body-building enthusiasts. The structure of the horizontal bar on the door in the prior art comprises a horizontal bar body and support legs connected to two ends of the horizontal bar body, wherein the horizontal bar body comprises a left telescopic rod, a right telescopic rod and a middle rod, one end of the left telescopic rod is in threaded connection with the middle rod, the other end of the left telescopic rod is connected with the left support leg, one end of the right telescopic rod is in threaded connection with the middle rod, the other end of the right telescopic rod is connected with the right support leg, and when the middle rod rotates, the left telescopic rod and the right telescopic rod can be unfolded outwards or retracted inwards at the same time; and the horizontal bar on the door mainly realizes the fixation of the horizontal bar on the door frame by extruding the door frame through the forward and reverse rotation of the left and right telescopic rods and the middle rod to generate friction force, and the fixation of the horizontal bar on the door and the door frame is very simple and convenient. However, in the using process, the middle rod can be held by hands, and in the process of doing pull-up and pull-down upward movement, the middle rod can generate torsion force rotating in the circumferential direction, and if the direction of the applied torsion force is opposite to the direction of the torsion force when the left and right telescopic rods are unfolded at first, the middle rod can enable the left and right telescopic rods to contract; therefore, the horizontal bar on the door can fall off, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above prior art's defect, provide a simple structure, have self-locking function, and self-locking convenient operation's horizontal bar body.

The technical solution of the utility model is that, a horizontal bar body with following structure is provided: it comprises

The telescopic pipe comprises a handle pipe, a supporting pipe and two telescopic pipes, wherein the two telescopic pipes are sleeved on two sides of the supporting pipe and can axially move relative to the supporting pipe and are circumferentially limited; the handle pipe is sleeved outside the two telescopic pipes and is in threaded connection with the two telescopic pipes respectively, and when the handle pipe rotates, the two telescopic pipes can be expanded outwards or contracted inwards at the same time; and at least one locking and unlocking device arranged between the handle pipe and the telescopic pipe, wherein the locking and unlocking device comprises

The hollow lock seat is sleeved on the telescopic pipe, is connected with the handle pipe and is used for synchronously rotating along with the handle pipe; the outer circumferential wall of the lock seat is provided with lock teeth;

the handle pipe comprises a hollow lock sleeve, a telescopic pipe and a handle pipe, wherein the hollow lock sleeve is movably sleeved on a lock seat, can axially move relative to the telescopic pipe and is circumferentially limited, the inner wall of the lock sleeve is provided with a latch, and the latch can be clamped with or separated from the latch when the lock sleeve axially moves so as to enable the handle pipe to be in a locking state or an unlocking state; under the locking state, the latch is clamped with the locking tooth, and the circumferential rotation of the handle pipe relative to the telescopic pipe is limited; under the unlocking state, the latch is separated from the lock tooth, and the handle pipe can rotate circumferentially relative to the telescopic pipe.

Preferably, the lock base is provided with two annular gears distributed along the axial direction of the lock base: the inner wall of the lock sleeve is provided with an elastic clamping hook which can be matched and clamped with the two annular gears; when elasticity pothook and first annular gear joint, the latch of lock cover and the lock tooth joint of lock seat, when elasticity pothook and second annular gear joint, the latch of lock cover breaks away from with the lock tooth of lock seat.

Preferably, an elastic part is arranged in the lock sleeve, one end of the elastic part abuts against the inner wall of the outer end of the lock sleeve, and the other end of the elastic part abuts against the outer end face of the lock seat, so that the lock sleeve always has a movement trend of enabling the latch of the lock sleeve to be clamped with the latch of the lock seat.

Preferably, the first annular gear and the second annular gear are both annular protrusions arranged on the outer circumferential wall of the lock base.

Preferably, the outer circumferential wall of the lock base is provided with a handle part, and a plurality of anti-skid protrusions are distributed on the handle part along the circumferential direction.

Preferably, the outer side wall of the support tube is provided with a first limiting groove extending along the length direction of the support tube, the inner walls of the two extension tubes are respectively provided with a first limiting convex wall extending along the length direction of the extension tube and protruding inwards, and the first limiting convex walls are in sliding fit in the first limiting grooves and used for enabling the two extension tubes to move axially relative to the support tube and to limit circumferentially.

Preferably, a second limiting groove which corresponds to the first limiting convex wall and is formed in one step is formed in the outer side wall of the extension tube, and a second limiting convex wall which is matched with the second limiting groove to slide and is limited in the circumferential direction is arranged on the inner wall of the lock sleeve.

Preferably, the two telescopic pipes are a left telescopic pipe and a right telescopic pipe, and the outer circumferential walls of the left telescopic pipe and the right telescopic pipe are respectively provided with a left thread section and a right thread section with opposite thread spiral directions; the inner wall of the handle pipe is connected with a left nut in threaded connection with the left thread section and a right nut in threaded connection with the right thread section.

Preferably, the two locking and unlocking devices are respectively arranged between the left telescopic pipe and the handle pipe and between the right telescopic pipe and the handle pipe.

After the structure more than adopting, the utility model relates to a horizontal bar body compares with prior art, has following advantage:

firstly, the locking and unlocking device of the horizontal bar body realizes the locking or unlocking of circumferential rotation between the handle pipe and the telescopic pipe by utilizing the matching of the lock sleeve and the lock base, specifically, the inner wall of the lock sleeve is provided with a latch, the outer circumferential wall of the lock base is provided with a lock tooth, the lock sleeve is movably sleeved on the lock base and can circumferentially rotate and axially move relative to the lock base, when the latch is clamped with the lock tooth, the handle pipe is in a locking state, and the circumferential rotation of the handle pipe relative to the telescopic pipe is limited; when the latch is separated from the lock tooth, the handle pipe is in an unlocking state, and the handle pipe can rotate circumferentially relative to the telescopic pipe to adjust the telescopic length of the telescopic pipe. The horizontal bar body has a simple structure, has a self-locking function, is convenient to operate in a self-locking mode, and only needs to axially move the lock sleeve.

Secondly, be equipped with two annular gears along lock seat axial distribution on the lock seat: when the elastic clamping hook of the lock sleeve is clamped with the first annular gear, the clamping teeth of the lock sleeve are clamped with the locking teeth of the lock seat, and the circumferential rotation of the handle pipe relative to the telescopic pipe is limited; when the elastic clamping hook is clamped with the second annular gear, the clamping tooth of the lock sleeve is separated from the locking tooth of the lock seat, and the handle pipe can rotate circumferentially relative to the telescopic pipe to adjust the telescopic length of the telescopic pipe. The clamping fit of the annular gear and the elastic clamping hook of the lock sleeve enables a user to conveniently operate when the length of the horizontal bar body is adjusted, and the annular gear has a good marking effect.

Moreover, the elastic piece in the lock sleeve enables the lock sleeve to always have the movement trend of enabling the latch of the lock sleeve to be clamped with the lock teeth of the lock seat. After the length of the telescopic pipe is adjusted and the elastic clamping hook of the lock sleeve is separated from the second annular gear, the lock sleeve is quickly reset under the elasticity of the elastic piece to enable the clamping tooth of the lock sleeve to be clamped with the lock tooth of the lock seat, self-locking is quick, and safety is high. The setting of lock seat handle portion, when carrying out horizontal bar length adjustment, handle portion is held to one hand, holds the lock sleeve on the other hand, can rotate the regulation, easy operation, convenience.

In addition, the locking and unlocking devices are two and are respectively arranged between the left telescopic pipe and the handle pipe and between the right telescopic pipe and the handle pipe. Therefore, both ends of the handle pipe are locked or unlocked with the telescopic pipes, so that the handle pipe and the left and right telescopic pipes are locked more firmly and stably.

The utility model discloses a another technical solution is, provides a horizontal bar on door with following structure: the novel horizontal bar comprises a horizontal bar body and support legs connected to two ends of the horizontal bar body, wherein the horizontal bar body adopts any one of the technical schemes. The horizontal bar on the door has a simple structure, a self-locking function and convenient self-locking operation.

Drawings

Fig. 1 is a schematic structural view of a horizontal bar body of the present invention.

Fig. 2 is a schematic structural view of the support tube of the horizontal bar of the present invention.

Fig. 3 is a schematic view of an assembly structure of the horizontal bar body of the present invention.

Fig. 4 is a schematic view of a partial cross-sectional structure of the horizontal bar body of the present invention.

Fig. 5 is a schematic structural view of a lock seat of the horizontal bar body of the present invention.

Fig. 6 is a schematic view of a lock sleeve structure of the horizontal bar body of the present invention.

Fig. 7 is a schematic view of the internal structure of the lock sleeve of the horizontal bar of the present invention.

As shown in the figure:

1. handle pipe, 100, left nut, 101, right nut, 2, left flexible pipe, 200, right flexible pipe, 201, second spacing groove, 202, first spacing convex wall, 203, left screw thread section, 204, right screw thread section, 3, the stay tube, 300, first spacing groove, 4, the lock seat, 400, lock tooth, 401, first annular gear, 402, second annular gear, 403, handle portion, 404, non-slip raised, 5, lock cover, 500, latch, 501, elasticity pothook, 502, second spacing convex wall, 6, the elastic component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention discloses a horizontal bar body, which is a component of a horizontal bar on a door, and includes a hollow handle tube 1, a support tube 3, and two telescopic tubes, which are sleeved on two sides of the support tube 3, and are axially movable relative to the support tube 3 and circumferentially limited; the handle pipe 1 is sleeved outside the two telescopic pipes, the handle pipe 1 is respectively in threaded connection with the two telescopic pipes, and when the handle pipe 1 rotates, the two telescopic pipes can be expanded outwards or contracted inwards at the same time; in this embodiment, the handle tube 1, the support tube 3 and the two telescopic tubes are all metal tubes, a first limiting groove 300 extending along the length direction of the support tube 3 is arranged on the outer side wall of the support tube 3, first limiting convex walls 202 extending along the length direction of the telescopic tubes and protruding inwards are arranged on the inner walls of the two telescopic tubes, and the first limiting convex walls 202 are in sliding fit in the first limiting groove 300 and are used for enabling the two telescopic tubes to move axially relative to the support tube 3 and to be limited circumferentially. The two telescopic pipes are a left telescopic pipe 2 and a right telescopic pipe 200, and the outer circumferential walls of the left telescopic pipe 2 and the right telescopic pipe 200 are respectively provided with a left thread section 203 and a right thread section 204 with opposite thread spiral directions; the inner wall of the handle pipe 1 is connected with a left nut 100 in threaded connection with the left thread section 203 and a right nut 101 in threaded connection with the right thread section 204. When the handle pipe 1 rotates, the left nut 100 and the right nut 101 are driven to synchronously rotate, and because the left telescopic pipe 2, the right telescopic pipe 200 and the supporting pipe 3 can axially move and are circumferentially limited, the left telescopic pipe 2 and the right telescopic pipe 200 can simultaneously expand outwards or simultaneously contract inwards along the axial direction, so that the handle pipe 1 only needs to be rotated, the extension length of two ends of the horizontal bar body can be adjusted, and the operation is very simple and convenient.

The horizontal bar body also comprises at least one locking and unlocking device arranged between the handle pipe and the telescopic pipes, the locking and unlocking device comprises a hollow lock seat 4 and a lock sleeve 5, and the lock seat 4 is sleeved on one telescopic pipe and connected with the handle pipe 1 and used for synchronously rotating along with the handle pipe 1; the outer circumferential wall of the lock base 4 is provided with a locking tooth 400, and the locking tooth 400 is an annular locking tooth 400; this lock sleeve 5 activity cover is established on lock seat 4, but lock sleeve 5 and lock seat 4 between circumferential direction and axial displacement, and lock sleeve 5 is relative to flexible pipe axial displacement and circumference spacing, in this embodiment, be formed with on the lateral wall of flexible pipe with first spacing convex wall 202 corresponding and one shot forming's second spacing groove 201, be equipped with on the inner wall of lock sleeve 5 and cooperate the second spacing convex wall 502 that slides and circumference spacing with second spacing groove 201. In addition, the inner wall of the lock sleeve 5 is provided with a latch 500, and the latch 500 can be clamped with or separated from the lock teeth 400 when the lock sleeve 5 moves axially, so that the handle pipe 1 is in a locked state or an unlocked state; in the locking state, the latch 500 is clamped with the lock latch 400, and the circumferential rotation of the handle pipe 1 relative to the extension pipe is limited; in the unlocked state, the latch 500 is disengaged from the lock teeth 400, and the handle pipe 1 can rotate circumferentially with respect to the extension pipe. The horizontal bar body realizes the locking or unlocking of circumferential rotation between the handle pipe 1 and the telescopic pipe by utilizing the matching of the lock sleeve 5 and the lock seat 4, specifically, the inner wall of the lock sleeve 5 is provided with a latch 500, the outer circumferential wall of the lock seat 4 is provided with a lock tooth 400, the lock sleeve 5 is movably sleeved on the lock seat 4 and can circumferentially rotate and axially move relative to the lock seat 4, when the latch 500 is clamped with the lock tooth 400, the handle pipe 1 is in a locking state, and the circumferential rotation of the handle pipe 1 relative to the telescopic pipe is limited; when the latch 500 is disengaged from the latch 400, the handle tube 1 is in an unlocked state, and the handle tube 1 can rotate circumferentially relative to the telescopic tube to adjust the telescopic length of the telescopic tube. The horizontal bar body has a simple structure, a self-locking function and convenient self-locking operation, and only the lock sleeve 5 needs to be axially moved.

Referring to fig. 3 to 5 again, in the present embodiment, the lock base 4 is provided with two annular gears distributed along the axial direction of the lock base 4: the lock sleeve 5 comprises a first annular gear 401 and a second annular gear 402, wherein an elastic clamping hook 501 which can be matched and clamped with the two annular gears is arranged on the inner wall of the lock sleeve 5; when elasticity pothook 501 and first annular gear 401 joint, latch 500 of lock tube 5 and lock tooth 400 joint of lock seat 4, when elasticity pothook 501 and second annular gear 402 joint, latch 500 of lock tube 5 and lock tooth 400 of lock seat 4 break away from. When the elastic hook 501 of the lock sleeve 5 is clamped with the first annular gear 401, the clamping tooth 500 of the lock sleeve 5 is clamped with the locking tooth 400 of the lock seat 4, and the circumferential rotation of the handle pipe 1 relative to the telescopic pipe is limited; when the elastic hook 501 is connected with the second annular gear 402 in a clamping manner, the latch 500 of the lock sleeve 5 is separated from the latch 400 of the lock base 4, and the handle tube 1 can rotate circumferentially relative to the telescopic tube to adjust the telescopic length of the telescopic tube. The clamping fit of the annular gear and the elastic clamping hook 501 of the lock sleeve 5 enables a user to conveniently operate when adjusting the length of the horizontal bar, and has a good marking effect.

Referring to fig. 4 again, in the present embodiment, an elastic element 6 is arranged in the lock sleeve 5, one end of the elastic element 6 abuts against the inner wall of the outer end of the lock sleeve 5, and the other end of the elastic element 6 abuts against the outer end face of the lock base 4, so that the lock sleeve 5 always has a movement tendency of enabling the latch 500 of the lock sleeve 5 to be in engagement with the latch 400 of the lock base 4. Thus, after the length of the telescopic pipe is adjusted and the elastic hook 501 of the lock sleeve 5 is separated from the second annular gear 402, the lock sleeve 5 is rapidly reset under the elastic force of the elastic piece 6, so that the latch 500 of the lock sleeve 5 is clamped with the latch 400 of the lock base 4, the self-locking is rapid, and the safety is high. In this embodiment, the first annular step 401 and the second annular step 402 are both annular protrusions disposed on the outer circumferential wall of the lock holder 4. In other embodiments, the first annular step 401 and the second annular step 402 may also be annular grooves, bumps, etc. provided on the outer side wall of the lock base 4.

Referring to fig. 5 again, in the present embodiment, the outer circumferential wall of the lock base 4 is provided with handle portions 403, and the handle portions 403 are distributed with a plurality of anti-skid protrusions 404 along the circumferential direction. The handle part 403 of the lock base 4 is arranged, when the length of the horizontal bar is adjusted, the handle part 403 is held by one hand, and the lock sleeve 5 is held by the other hand, so that the rotation adjustment can be performed, and the operation is simple and convenient.

In other embodiments, the two locking and unlocking devices are respectively arranged between the left telescopic tube 2 and the handle tube and between the right telescopic tube 200 and the handle tube 1. Therefore, both ends of the handle pipe 1 are locked or unlocked with the telescopic pipes, so that the locking between the handle pipe 1 and the left and right telescopic pipes is firmer and more stable.

The embodiment discloses a horizontal bar on a door, which comprises a horizontal bar body and support legs connected to two ends of the horizontal bar body, wherein the horizontal bar body adopts the horizontal bar body in any one of the embodiments. The horizontal bar on the door has a simple structure, a self-locking function and convenient self-locking operation.

Like reference numerals in the drawings of the present embodiment correspond to like parts; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A horizontal bar body is characterized in that: it comprises

The telescopic pipe comprises a handle pipe, a supporting pipe and two telescopic pipes, wherein the two telescopic pipes are sleeved on two sides of the supporting pipe and can axially move relative to the supporting pipe and are circumferentially limited; the handle pipe is sleeved outside the two telescopic pipes and is in threaded connection with the two telescopic pipes respectively, and when the handle pipe rotates, the two telescopic pipes can be expanded outwards or contracted inwards at the same time;

and at least one locking and unlocking device arranged between the handle pipe and the telescopic pipe, wherein the locking and unlocking device comprises

The hollow lock seat is sleeved on the telescopic pipe, is connected with the handle pipe and is used for synchronously rotating along with the handle pipe; the outer circumferential wall of the lock seat is provided with lock teeth;

the handle pipe comprises a hollow lock sleeve, a telescopic pipe and a handle pipe, wherein the hollow lock sleeve is movably sleeved on a lock seat, can axially move relative to the telescopic pipe and is circumferentially limited, the inner wall of the lock sleeve is provided with a latch, and the latch can be clamped with or separated from the latch when the lock sleeve axially moves so as to enable the handle pipe to be in a locking state or an unlocking state; under the locking state, the latch is clamped with the locking tooth, and the circumferential rotation of the handle pipe relative to the telescopic pipe is limited; under the unlocking state, the latch is separated from the lock tooth, and the handle pipe can rotate circumferentially relative to the telescopic pipe.

2. A horizontal bar body as claimed in claim 1, wherein: the lock base is provided with two annular gears which are distributed along the axial direction of the lock base: the inner wall of the lock sleeve is provided with an elastic clamping hook which can be matched and clamped with the two annular gears; when elasticity pothook and first annular gear joint, the latch of lock cover and the lock tooth joint of lock seat, when elasticity pothook and second annular gear joint, the latch of lock cover breaks away from with the lock tooth of lock seat.

3. A horizontal bar body as claimed in claim 2, wherein: the lock sleeve in be equipped with the elastic component, the one end of elastic component offsets with the outer end inner wall of lock sleeve, the other end of elastic component offsets with the outer terminal surface of lock seat for make the lock sleeve have the motion trend that makes the latch of lock sleeve and the lock tooth joint of lock seat all the time.

4. A horizontal bar body as claimed in claim 2, wherein: the first annular gear and the second annular gear are both annular bulges arranged on the outer circumferential wall of the lock base.

5. A horizontal bar according to claim 1 wherein: the outer circumferential wall of the lock seat is provided with a handle part, and a plurality of anti-skid protrusions are distributed on the handle part along the circumferential direction.

6. A horizontal bar body as claimed in claim 1, wherein: the outer side wall of the supporting tube is provided with a first limiting groove extending along the length direction of the supporting tube, the inner walls of the two telescopic tubes are respectively provided with a first limiting convex wall extending along the length direction of the telescopic tube and protruding inwards, and the first limiting convex walls are in sliding fit with the first limiting grooves and used for enabling the two telescopic tubes to move axially relative to the supporting tube and to be limited circumferentially.

7. The horizontal bar body according to claim 6, wherein: and a second limiting groove which corresponds to the first limiting convex wall and is formed at one time is formed on the outer side wall of the telescopic pipe, and a second limiting convex wall which is matched with the second limiting groove to slide and is limited circumferentially is arranged on the inner wall of the lock sleeve.

8. A horizontal bar body as claimed in claim 1, wherein: the two telescopic pipes are a left telescopic pipe and a right telescopic pipe, and the outer circumferential walls of the left telescopic pipe and the right telescopic pipe are respectively provided with a left thread section and a right thread section with opposite thread spiral directions; the inner wall of the handle pipe is connected with a left nut in threaded connection with the left thread section and a right nut in threaded connection with the right thread section.

9. A horizontal bar body as claimed in claim 8, wherein: the two locking and unlocking devices are respectively arranged between the left telescopic pipe and the handle pipe and between the right telescopic pipe and the handle pipe.

10. The utility model provides a horizontal bar on door, it includes the horizontal bar body and connects the stabilizer blade at horizontal bar body both ends, its characterized in that: the horizontal bar body is the horizontal bar body as claimed in any one of claims 1 to 9.

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