CN205298191U - Plug assembly - Google Patents

Abstract

The utility model discloses a bolt subassembly belongs to oil field borehole operation machinery technical field. The pin assembly comprises a pin and a baffle plate, wherein an annular groove is formed in the pin in the circumferential direction, a clamping portion is arranged on the baffle plate, the clamping portion is matched with the annular groove after the pin is sequentially inserted into pin holes of a first fixing object and a second fixing object to connect the first fixing object and the second fixing object into a whole, and the pin holes of the second fixing object are shielded by the clamping portion. The utility model provides a bolt subassembly is semicircular in design because the opening that the pin top adopted conical surface design and baffle for the pin is convenient for insert the baffle and is blocked jail, and under tension spring's the effect, has ensured that safety catch and safety catch combine to become whole together, has still restricted the home range of safety catch through the design of baffle stopper.

Description

Plug assembly

technical field

The utility model relates to the technical field of oil field downhole operation machinery, in particular to a bolt assembly.

Background technique

During oilfield workover operations, the workover rig needs to be frequently moved between different well sites. Therefore, in the process of relocation, the folding platforms on both sides of the workover locomotive need to be put away, and the folding platforms need to be unfolded when in use. Two alternate platforms in the unfolded foldable platform need to be connected by safety bolts.

The currently used safety plug is a plug produced by Zhongcheng Equipment Manufacturing Company of Dagang Oilfield Group. The safety bolt has the advantages of being strong and firm. However, the bolt still has the following deficiencies in the field application and other related technologies: (1) the safety bolt is composed of a body and an anti-off circlip, which is troublesome to disassemble; During use, the safety pins of the detaching springs will fall off due to the vibration of the car body, causing safety accidents; (3) because dozens of safety pins need to be disassembled in each relocation operation, the working time is prolonged, Thereby reducing work efficiency.

Utility model content

In order to solve at least one aspect of the above-mentioned problems and defects existing in the prior art, the utility model provides a latch assembly. Described technical scheme is as follows:

One purpose of the present utility model is to provide a latch assembly.

According to one aspect of the present utility model, a latch assembly is provided, the latch assembly includes a pin and a baffle, the pin is provided with an annular groove along the circumferential direction, and the baffle is provided with a The pins are sequentially inserted into the pin holes of the first fixture and the second fixture and then cooperate with the annular groove to connect the first fixture and the second fixture into an integral clamping part. The connecting portion covers the pin hole of the second fixing object.

Specifically, the pin includes a pin handle and a pin rod connected to each other, and the annular groove is arranged on an end of the pin rod away from the pin handle.

Further, the shape of the end of the pin rod close to the annular groove is tapered, and the handle of the pin is set in the shape of a mushroom head.

Specifically, the baffle plate and the first fixture are respectively arranged on opposite sides of the second fixture, the engaging portion is set as a semicircle card, and the opening of the semicircle card and the annular groove match.

Preferably, the semicircular clip covers one-third of the diameter of the pin hole of the second fixture.

Further, the semicircle card is arranged at one end of the baffle, and the other end of the baffle is provided with a pressing plate for releasing the cooperation between the annular groove and the opening of the semicircle card, and the pressing plate is connected with the opening of the semicircle card. The baffles are arranged vertically to each other.

Further, the latch assembly further includes a spring for resetting the baffle, and two ends of the spring are respectively connected with the baffle and the second fixing object.

Further, a baffle fixing hole is provided in the middle of the baffle, and the baffle is fixedly connected to the surface of the second fixture through the baffle fixing hole, and the baffle fixing hole is connected to the surface of the second fixture. Spring fixing holes for fixing the springs are arranged between the semicircular clips.

Further, the two ends of the spring are respectively provided with a hook, one end of the spring is connected to the spring fixing hole through the hook, and the other end of the spring is fixed to the second fixture through the hook. hole connection,

The spring fixing holes and the baffle fixing holes are arranged along the longitudinal direction of the baffle.

Further, the latch assembly further includes a baffle limiter for limiting the baffle, and the baffle limiter is fixed on the second side near the pressing plate through the fixing hole of the limiter. on the fixture.

The beneficial effects of the technical solution provided by the utility model are:

(1) The pin assembly provided by the utility model is designed with a conical surface at the top of the pin and a semicircular opening of the baffle, so that the pin is conveniently inserted into the baffle and is firmly locked;

(2) The bolt assembly provided by the utility model ensures that the safety pin retainer and the safety bolt are combined to form a whole under the tension of the tension spring;

(3) The latch assembly provided by the utility model limits the range of motion of the safety flap through the design of the stopper block.

Description of drawings

Fig. 1 is a structural schematic diagram of a pin in a latch assembly according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a baffle in a latch assembly according to an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a spring provided with a hook in a latch assembly according to an embodiment of the present invention;

Fig. 4 is a schematic structural view of the stop block of the baffle in the latch assembly according to an embodiment of the present invention.

Among them, 10 pins, 11 annular grooves, 12 pin handles, 13 pin rods, 14 pin fixing holes, 20 baffles, 21 clamping parts, 22 pressing plates, 23 baffle fixing holes, 30 springs, 31 spring fixing holes, 32 hooks, 40 baffle plate limiting blocks, 41 limiting block fixing holes.

detailed description

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 and FIG. 2 , they respectively show a schematic structural diagram of a pin 10 and a baffle 20 according to an embodiment of the present invention. The latch assembly includes a pin 10 and a baffle 20, the pin 10 is provided with an annular groove 11 arranged along the circumferential direction, and the baffle 20 is provided with a pin inserted into the first fixture and the second fixture in turn on the pin 10 The hole is then matched with the annular groove 11 to connect the first fixture (not shown) and the second fixture (not shown) into an integral clamping part 21, and the clamping part 21 blocks the pin hole of the second fixture .

In one embodiment of the present invention, the quick latch assembly is composed of a pin 10 , a baffle 20 , a spring 30 and a baffle limiter 40 . Pin 10 is formed by round steel car pin, for example, is 20mm by diameter, and length is the round steel car pin of 150mm and forms. The pin 10 includes a pin handle 12 and a pin rod 13 connected to each other, and an annular groove 11 is provided on an end of the pin rod 13 away from the pin handle 12 . The shape of the end of the pin rod 13 close to the annular groove 11 is configured as a taper, and the pin handle 12 is configured as a mushroom head.

Specifically, the pin rod 13 is turned into a cone with a taper of 5:4, and at a certain distance (for example, 12 mm) from the tip of the cone, a locking portion 21 with a width of 3 mm and a depth of 1 mm is turned. At the same time, the pin bar 13 end is provided with a mushroom-shaped pin handle 12 (for example, the diameter of the pin handle 12 is 20mm, and the length is 25mm), and its surface is polished and polished. A diameter is drilled in the center and is the pin fixing hole 14 of 3mm, and the pin handle 12 is turned into the pin rod 13 of 10mm to the taper root surface turning into diameter.

A baffle plate 20 and a first fixture (not shown) are arranged on opposite sides of the second fixture. As shown in FIG. 2 , the baffle 20 is made of a steel plate with a thickness of 2 mm. The baffle 20 is a steel plate with a total length of 60 mm and a width of 15 mm. A semicircular engagement portion 21 with a diameter of 12 mm is pinned at, for example, 6 mm from the first end of the baffle plate 20 , so that the pin 10 can be inserted and secured. In another example of the present utility model, the clamping part 21 is a semicircle clamp, and a spring fixing hole 31 with a diameter of 0.5 mm is drilled at a distance of 2 mm from the opening of the semicircle clamp, and the spring fixing hole 31 is used to connect the spring The hook 32 on one end in 30 two ends. Drill a baffle plate fixing hole 23 with a diameter of 6mm in the middle of the baffle plate 20, that is to say, the spring fixing hole 31 is arranged between the baffle plate fixing hole 23 and the semicircle card, and the baffle plate 20 passes through the middle part of the baffle plate. The baffle plate fixing hole 23 is fixed on the outer surface of the second fixture. A press plate 22 with a thickness of 2 mm, a width of 15 mm and a length of 20 mm is vertically formed at the second end of the baffle 20 , and the first end and the second end of the baffle 20 are respectively two ends of the baffle 20 .

Referring to FIG. 3 , the latch assembly further includes a spring 30 for restoring the catch 20 . The spring 30 is made of a steel wire with a diameter of 0.5 mm. For example, the steel wire is made into a tension spring with a diameter of 3 mm and a length of 15 mm. Both ends of the spring 30 are provided with hooks 32, one end of the spring 30 is hooked in the spring fixing hole 31 through the hook 32, and the other end of the spring 30 is hooked in the fixing hole of the second fixture (not shown). As shown in FIG. 4 , the latch assembly further includes a baffle limiting block 40 for limiting the baffle 20 . The baffle stopper 40 is a steel plate with a length of 10mm, a width of 5mm and a thickness of 5mm, and a stopper fixing hole 41 with a diameter of 2mm is arranged in the center of the baffle stopper 40 . The baffle stopper 40 is fixed on the second fixture near the side of the pressing plate 22 through the stopper fixing hole 41 , so that the movable range of the baffle 20 is limited by the baffle stopper 40 .

The specific structure of the latch assembly will be further described below by describing the working principle of the latch assembly in detail.

Select a position beside the pin hole on the outer surface of the second fixture (the surfaces where the first and second fixtures are attached to each other are the inner surfaces), and use the baffle plate fixing hole 23 in the middle of the baffle plate 20 to fix, and then place the The hook 32 at one end of the spring 30 is hooked in the spring fixing hole 31 next to the semicircle card, the hook 32 at the other end of the spring 30 is hooked in the fixing hole of the second fixture, and then the baffle stopper 40 is fixed with screws On the outer surface of the second fixture, it is properly matched with the baffle plate 20 . Under the action of the pulling force of the spring 30 (such as a tension spring) and the pushing force of the baffle plate stopper 40, the clamping portion 21 (i.e. the semicircle clamp) at the first end of the baffle plate 20 is in close contact with the pin hole of the second fixture, And cover about one-third of the pin hole diameter.

At this time, the pin 10, the baffle plate 20, the baffle plate limiting block 40 and the spring 30 form a whole. When each fixture needs to be connected together, the pin 10 is inserted from the pin hole on the outer surface of the first fixture (such as platform, guardrail, pedal, etc.), and passes through the pin hole of the second fixture afterwards, so that the pin The handle 12 is held on the outer surface side of the first fixture. When the pin 10 passes through the pin hole of the second fixture, the tapered pin head at the front end of the pin 10 pushes away the semicircle clip at the first end of the baffle plate 20 . Under the action of the spring 30, the semicircle card is stuck in the annular groove 11 of the pin, so that the opening of the semicircle card is connected with the annular groove 11, so that the first fixture and the second fixture are connected into one through the latch assembly. overall. Therefore, the bolt assembly provided by the utility model solves problems such as accidents such as platform breakage caused by safety bolt falling off during the use of the existing folding platform, and time-consuming and laborious problems in the installation process of the bolt.

When it is necessary to disassemble the first and second fixtures, press the pressing plate 22 at the second end of the baffle plate 20, the first end of the baffle plate 20 is lifted upwards, the semicircle card is disengaged from the annular groove 11, and then the pin is pulled out 10, and under the action of the spring 30 and the baffle stopper 40, the baffle 20 returns to its original position for the next use.

In the latch assembly of the present utility model, the baffle plate 20, the spring 30 and the baffle plate limit block 40 all need to be installed in advance at a suitable position next to the pin hole of the second fixture to form an elastic card mechanism; the pin 10 uses a thin steel wire rope Pass the pin fixing hole 14 and be installed beside the pin hole of the first fixture. When in use, the pin 10 passes through the pin hole of the first fixture into the pin hole of the second fixture, and the snap mechanism locks the engaging portion 21 to connect the first and second fixtures together. The quick plug assembly of the utility model is easy to install and disassemble. It is not only used on the folding platform of the workover rig, but also can be used on the connection of components such as scaffolding, and has a good application prospect.

The beneficial effects of the technical solution provided by the utility model are:

(1) The pin assembly provided by the utility model is designed with a conical surface at the top of the pin and a semicircular opening of the baffle, so that the pin is conveniently inserted into the baffle and is firmly locked;

(2) The bolt assembly provided by the utility model ensures that the safety pin retainer and the safety bolt are combined to form a whole under the tension of the tension spring;

(3) The latch assembly provided by the utility model limits the range of motion of the safety flap through the design of the stopper block.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A latch assembly, characterized in that, The latch assembly includes a pin and a baffle, the pin is provided with an annular groove along the circumferential direction, and the baffle is provided with a first fixture and a second fixture inserted into the pin sequentially. The pin hole of the first fixture and the second fixture are then matched with the annular groove to form an integral clamping part, and the clamping part blocks the pin hole of the second fixture. 2. The latch assembly according to claim 1, wherein: The pin includes a pin handle and a pin rod connected to each other, and the annular groove is arranged on an end of the pin rod away from the pin handle. 3. The latch assembly of claim 2, wherein: The shape of the end of the pin rod close to the annular groove is tapered, and the handle of the pin is set in the shape of a mushroom head. 4. The latch assembly according to any one of claims 1-3, characterized in that, The baffle plate and the first fixing object are respectively arranged on opposite sides of the second fixing object, the engaging part is arranged as a semicircle card, and the opening of the semicircle card matches the annular groove. 5. The latch assembly of claim 4, wherein: The semicircle card blocks one-third of the diameter of the pin hole of the second fixture. 6. The latch assembly of claim 4, wherein: The semicircle card is arranged at one end of the baffle plate, and the other end of the baffle plate is provided with a press plate for releasing the cooperation between the annular groove and the opening of the semicircle card, and the press plate is connected with the baffle plate set perpendicular to each other. 7. The latch assembly of claim 6, wherein: The latch assembly further includes a spring for resetting the baffle, and two ends of the spring are respectively connected to the baffle and the second fixture. 8. The latch assembly of claim 7, wherein: A baffle fixing hole is provided in the middle of the baffle, and the baffle is fixedly connected with the surface of the second fixture through the baffle fixing hole, and between the baffle fixing hole and the semicircle card A spring fixing hole for fixing the spring is arranged between them. 9. The latch assembly of claim 8, wherein: The two ends of the spring are respectively provided with a hook, one end of the spring is connected to the spring fixing hole through the hook, and the other end of the spring is connected to the fixing hole of the second fixture through the hook, The spring fixing holes and the baffle fixing holes are arranged along the longitudinal direction of the baffle. 10. The latch assembly of claim 1, wherein: The latch assembly further includes a baffle limiter for limiting the baffle, and the baffle limiter is fixed on the second fixture on the side close to the pressing plate through the fixing hole of the limiter .