CN211145013U - Self-locking buckle for round pipe - Google Patents

Abstract

The utility model discloses a circular tube self-locking buckle, which comprises a fixed railing and a buckle body, wherein the fixed railing is arranged on one side of the upper part of an underframe through a hinge, one side of the underframe perpendicular to the fixed railing is provided with a turnover railing, and the turnover railing and the fixed railing are connected through the buckle body; the claw hook and the shell are kept in a superposed state under the action of the torsion spring, the claw hook can passively bounce backwards due to the inclined surface position, when the movable sleeve completely enters the clamping position, the claw hook can bounce back due to the elasticity of the torsion spring, and the sleeved movable sleeve cannot be separated, so that passive locking is realized, and the device is convenient to operate, safe and reliable; utilize sliding sleeve to fix the railing spacing and fixed, when the upset railing upset, automatic card is to the hasp body in, realizes that automatic multiple non-fixed axle of catching catches.

Description

Self-locking buckle for round pipe

Technical Field

The utility model relates to a locking device technical field specifically is a pipe is from hasp.

Background

A large amount of applications of axle type spare are in the railing, in components such as bracket and handling pole, railing and bracket etc. form with a large amount of pipe assemblages, basic component by the pipe is assembled into various subassemblies by specific actual installation demand, like the railing, the work platform guardrail, bracket railing or trailer guardrail etc., need install in different positions in order to protect staff or goods, because the needs of staff's work or the demand of cargo handling need often open and shut the railing, if use the connecting piece with link together between the different railing modules, make the dismouting process between the railing module become more loaded down with trivial details, need spend the long time with separating between the different railing modules, be unfavorable for improving staff's work efficiency and the transport speed of goods. Therefore, the utility model provides a pipe auto-lock is detained and is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe is from hasp to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipe is from hasp, includes fixed railing and hasp body, fixed railing passes through one side of hinge mount on chassis upper portion, the upset railing is installed with fixed railing vertically one side to the chassis, through this body coupling of hasp between upset railing and the fixed railing, the hasp body includes casing, fixed sleeve pipe, movable sleeve pipe, claw hook, torsional spring and round pin axle, the through-hole internally mounted that the casing middle part was seted up has the round pin axle, the round pin axle rotates the one end of connecting the claw hook, fixed sleeve pipe welds inside the recess of seting up on one side of the casing, movable sleeve pipe cup joints the stand outside at the upset railing, the inside at the casing is installed to the torsional spring, the terminal correspondence of torsional spring is fixed inside the recess of seting up at the claw hook lateral surface, the opposite side gomphosis of torsional spring.

Preferably, the hasp body still includes the mounting groove, the mounting groove is seted up at the middle part of casing and along the horizontal axis of casing, mounting groove internally mounted has claw hook and torsional spring.

Preferably, the fixed sleeve is fixed outside the upright post of the fixed rail through a locking bolt, and one side of the shell welded with the fixed sleeve is provided with a notch matched with the movable sleeve.

Preferably, the claw hook includes grapple, unblock spanner, screens and inclined plane position, the grapple is close to the outside one end cutting of casing for unblock spanner, the inboard position that is close to movable sleeve pipe of grapple has seted up the screens, the grapple is close to the side of screens and sets up for the inclined plane position, unblock spanner connecting pin axle one end is close to casing one side and has seted up the chamfer.

Preferably, the bottom frame is connected with the two ends of the turnover railing and the fixed railing through hinges, and support legs are installed on the bottom of the bottom frame in a rectangular mode.

Preferably, the position of the stand on one side of the fixed railing, which is close to the hinge, is sleeved with a sliding sleeve, and one end of the claw hook is provided with a through hole for the pin shaft to pass through.

Preferably, the middle parts of the two sides of the torsion spring are sleeved on the two sides of the outer part of the pin shaft, and the fixed sleeve is lined with rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lock catch body consists of a shell, a fixed sleeve, a claw hook, a torsion spring, a pin shaft and a mounting groove, and is simple in structure, modular in design and convenient to mount and replace;

2. the claw hook and the shell are kept in a superposed state under the action of the torsion spring, the claw hook can passively bounce backwards due to the inclined surface position, when the movable sleeve completely enters the clamping position, the claw hook can bounce back due to the elasticity of the torsion spring, and the sleeved movable sleeve cannot be separated, so that passive locking is realized, and the device is convenient to operate, safe and reliable;

3. utilize sliding sleeve to fix the railing spacing and fixed, when the upset railing upset, automatic card is to the hasp body in, realizes catching multiple non-fixed axle of automatic seizure and catches (rotatory or linear motion axle).

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the lock catch body of the present invention;

fig. 3 is a schematic view of the internal structure of the lock catch body of the present invention.

In the figure: the locking device comprises an underframe 1, a turnover railing 2, a fixed railing 3, a locking buckle body 4, a shell 41, a fixed sleeve 42, a movable sleeve 43, a claw hook 44, a grapple 441, an unlocking wrench 442, a clamping position 443, a bevel position 444, a torsion spring 45, a pin shaft 46, a mounting groove 47, a sliding sleeve 5, a hinge 6 and a support leg 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a circular tube self-locking buckle comprises a fixed railing 3 and a buckle body 4, wherein the fixed railing 3 is mounted on one side of the upper portion of an underframe 1 through a hinge, an overturning railing 2 is mounted on one side, perpendicular to the fixed railing 3, of the underframe 1, the overturning railing 2 is connected with the fixed railing 3 through the buckle body 4, the buckle body 4 limits the overturning position of the overturning railing 2, and safety and operation convenience are improved; the lock catch body 4 comprises a shell 41, a fixed sleeve 42, a movable sleeve 43, a claw hook 44, a torsion spring 45 and a pin shaft 46, a pin shaft 46 is arranged in the through hole formed in the middle of the shell 41, the pin shaft 46 rotates to be connected with one end of the claw hook 44, the fixed sleeve 42 is welded in the groove formed in one side of the shell 41, the movable sleeve 43 is sleeved on the outer portion of the upright post of the turnover railing 2, the torsion spring 45 is arranged in the shell 41, the tail end of the torsion spring 45 is correspondingly fixed in the groove formed in the outer side face of the claw hook 44, and the other side of the torsion spring 45 is embedded in.

Further, the lock catch body 4 further comprises a mounting groove 47, and the mounting groove 47 facilitates mounting of various components; a mounting groove 47 is opened in the middle of the housing 41 and along the horizontal axis of the housing 41, and a claw hook 44 and a torsion spring 45 are mounted inside the mounting groove 47.

Further, the fixing sleeve 42 is fixed outside the column of the fixing rail 2 through the locking bolt, and the fixing sleeve 42 fixed through the locking bolt is convenient and fast when fixed outside the column of the fixing rail 42, so as to be beneficial to mounting and fixing the latch body 4, and a notch matched with the movable sleeve 43 is formed in one side of the casing 41 welded on the fixing sleeve 42.

Further, the claw hook 44 includes a grapple 441, an unlocking wrench 442, a detent 443 and a slope 444, the end of the grapple 441 near the exterior of the housing 41 is cut into the unlocking wrench 442, and the unlocking wrench 442 is integrated with the grapple 441; a position on the inner side of the grapple 441 close to the movable sleeve 43 is provided with a blocking position 443, and the size and the shape of the blocking position 443 are matched with those of the movable sleeve 42; the side surface of the grapple 441 close to the blocking position 443 is provided with an inclined plane position 444, and the position of the inclined plane position 444 is adapted to the position of the movable sleeve 42; the inclined position 444 enables the grapple 441 to passively bounce backwards, and a chamfer is formed at one end, close to the shell 41, of the unlocking wrench 442, which is connected with the pin shaft 46, so that the rotation of the unlocking wrench 442 is limited by the chamfer.

Further, the both ends of upset railing 2 and fixed railing 3 are passed through hinge 6 and are connected chassis 1, and chassis 1's bottom is the rectangle and installs stabilizer blade 7, and stabilizer blade 7 is convenient for install the railing in the relevant position department of other parts, the dismouting of the railing of being convenient for.

Furthermore, a sliding sleeve 5 is sleeved at a position, close to the hinge, of the upright column at one side of the fixed railing 3, and the sliding sleeve 5 limits and fixes the fixed railing 3; one end of the claw hook 44 is provided with a through hole through which the pin 46 passes.

Further, the middle parts of the two sides of the torsion spring 45 are sleeved on the two sides of the outer part of the pin shaft 46, and the elastic force of the torsion spring 45 enables the grapple 441 to be rebounded; the retaining sleeve 42 is lined with rubber, and the rubber within the retaining sleeve 42 increases the friction within the sleeve to enhance the stability of the sleeve retention.

The working principle is as follows: during actual work, the lower part of the fixed railing 3 is connected with the bottom frame 1 through a hinge, so that the fixed railing 3 has the overturning capacity, after the fixed railing 3 is overturned, the lower part of the fixed railing 3 is provided with the sliding sleeve 5 to limit and fix the fixed railing 3, and meanwhile, as the fixed sleeve 42 of the lock catch body 4 is fixed outside the upright post of the fixed railing 3, the fixed railing 2 is automatically clamped into the lock catch body 4 when overturned, so that automatic capture is realized; move unblock spanner 442 during the unblock, can unblock, hasp body 4 restriction upset railing 2's upset position improves security and operation convenience. The fixed sleeve 42 is welded with the shell 41, the claw hook 44 and the shell 41 are kept in a superposed state under the action of the torsion spring 45, when the movable sleeve 43 enters the claw hook 44 to be clamped, the claw hook 44 is firstly touched to unlock the moving position, the claw hook 441 passively bounces backwards due to the inclined surface 444, when the movable sleeve 43 completely enters the clamping position 442, the claw hook 441 can be bounced back due to the elasticity of the torsion spring 45, the sleeved movable sleeve 43 cannot be separated, passive locking is achieved, and when the movable sleeve 43 is unlocked, the clamped movable sleeve 43 can be released by moving the outward unlocking wrench 442.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a pipe is from hasp, includes fixed railing (3) and hasp body (4), its characterized in that: the fixed railing (3) is arranged on one side of the upper part of the chassis (1) through a hinge, the chassis (1) and one side of the fixed railing (3) are provided with the turnover railing (2), the turnover railing (2) is connected with the fixed railing (3) through the lock catch body (4), the lock catch body (4) comprises a shell (41), a fixed sleeve (42), a movable sleeve (43), a claw hook (44), a torsion spring (45) and a pin shaft (46), the pin shaft (46) is arranged inside a through hole formed in the middle of the shell (41), the pin shaft (46) is rotatably connected with one end of the claw hook (44), the fixed sleeve (42) is welded inside a groove formed in one side of the shell (41), the movable sleeve (43) is sleeved outside a stand column of the turnover railing (2), the torsion spring (45) is arranged inside the shell (41), the tail end of the torsion spring (45) is correspondingly fixed inside a groove formed in the outer side face of the claw hook (44), the other side of the torsion spring (45) is embedded in a groove formed in the shell (41).

2. The self-locking device for round tubes as claimed in claim 1, wherein: hasp body (4) still include mounting groove (47), the middle part of casing (41) and along the horizontal axis of casing (41) are seted up in mounting groove (47), mounting groove (47) internally mounted has claw hook (44) and torsional spring (45).

3. The self-locking device for round tubes as claimed in claim 1, wherein: the fixed sleeve (42) is fixed outside the upright post of the fixed railing (3) through a locking bolt, and one side of the shell (41) welded with the fixed sleeve (42) is provided with a notch matched with the movable sleeve (43).

4. The self-locking device for round tubes as claimed in claim 1, wherein: the claw hook (44) comprises a grapple (441), an unlocking wrench (442), a clamping position (443) and a bevel position (444), the end, close to the outer portion of the shell (41), of the grapple (441) is cut into the unlocking wrench (442), the clamping position (443) is arranged at the position, close to the movable sleeve (43), of the inner side of the grapple (441), the bevel position (444) is arranged on the side, close to the clamping position (443), of the grapple (441), and a chamfer is arranged on one side, close to the shell (41), of one end of a connecting pin shaft (46) of the unlocking wrench (442).

5. The self-locking device for round tubes as claimed in claim 1, wherein: the both ends of upset railing (2) and fixed railing (3) are passed through hinge (6) and are connected chassis (1), the bottom of chassis (1) is the rectangle and installs stabilizer blade (7).

6. The self-locking device for round tubes as claimed in claim 1, wherein: the position that the stand of fixed railing (3) one side is close to the hinge has cup jointed slip sleeve (5), the through-hole that supplies round pin axle (46) to pass is seted up to the one end of claw hook (44).

7. The self-locking device for round tubes as claimed in claim 1, wherein: the middle parts of two sides of the torsion spring (45) are sleeved on two sides of the outside of the pin shaft (46), and rubber is lined in the fixed sleeve (42).

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