CN2689030Y

CN2689030Y - Joint fastening structure

Info

Publication number: CN2689030Y
Application number: CN 200320105889
Authority: CN
Inventors: 陈灿志
Original assignee: Shangyu Lianguang Rubber & Plastic Product Co ltd
Current assignee: Shangyu Lianguang Rubber & Plastic Product Co ltd
Priority date: 2003-12-09
Filing date: 2003-12-09
Publication date: 2005-03-30
Anticipated expiration: 2013-12-09

Abstract

A joint buckling structure mainly comprises a first adapter and a second adapter, wherein the first adapter is hollow, a concave part is annularly arranged on the outer surface of one end of the first adapter, and the end of the concave part can be inserted into the second adapter and is propped against the surface of a gasket; the second adapter is hollow, a placing part for placing a gasket is arranged in the second adapter in an inner ring mode, two side wall surfaces of the top end of the second adapter are respectively pivoted with a pressing arm, the top end of each pressing arm is provided with a buckling part, and the buckling parts enter the second adapter and can be buckled in the concave part of the first adapter. The utility model discloses except that the driving fit degree that increases first, second adapter to have the efficiency of prevention of seepage.

Description

The joint fastening structure

Technical field

The utility model relates to a kind of joint fastening structure, is meant a kind of two pressure arm manner of passing through especially, with the joint fastening structure of first, second conversion adapter stably fastening.

Background technique

The application of body commonly used is very extensive, the conveying of gas such as water, oil, gas, steam, liquid such as, and all need reach by body and be delivered to long-range purpose; Yet, the limited length of general body, if conveying for long distance, way among the people: connect a conversion adapter between two bodys, this conversion adapter is a sleeve pipe, and its two ends internal face is all attacked and is provided with screw thread, and be provided with screw thread equally in the end of two bodys, cause the screw thread of two body ends can be fixed at the two end part of sleeve pipe respectively, cause two bodys to link into an integrated entity, to reach the purpose that prolongs body length; But so the Placement deficiency is: in case the screw thread on conversion adapter or the body collapses the tooth situation, with the function that causes the conversion adapter forfeiture to connect.

This shows that above-mentioned article commonly used still have many disappearances, real non-one kindhearted design demands urgently being improved.

Every shortcoming that this case model utility people derives in view of above-mentioned conversion adapter is urgently to think to be improved innovation, and after concentrating on studies through taking great pains to attain one's goal for many years, successfully this part joint fastening structure is finished in research and development finally.

The model utility content

The purpose of this utility model is to provide a kind of joint fastening structure, promptly can make two bodys firmly be combined into one by manner, to reach the purpose that prolongs body length.

Of the present utility model time a purpose is to provide a kind of joint fastening structure, has simple in structure, many effects such as assembling is easy, operation facility.

For achieving the above object, the utility model joint fastening structure includes first, second conversion adapter, packing ring, two pressure arms and two safety pins; Wherein, the end ring of this first conversion adapter is provided with a recess; The both sides of this second conversion adapter respectively are provided with first lug, second lug of two correspondences, have first～the 4th hole between this correspondence lug, and be equipped with a positioning part in second conversion adapter, and are ccontaining for packing ring; The top of this pressure arm is provided with a button portion, is two pressure arms are articulated between first, second lug of the second conversion adapter both sides, causes the button portion of pressure arm can supply to be entered in second conversion adapter by the hole on second conversion adapter; In the time of in first conversion adapter enters second conversion adapter, can be fastened on by the button portion of pressure arm in the recess of first conversion adapter, make first, second conversion adapter stably fastening, and safety pin is run through first, second lug of second conversion adapter, start to prevent pressure arm; By the setting of packing ring, make the more driving fit of its joint, and have the effect of antiseepage in addition.

Joint fastening structure provided by the utility model is when comparing mutually with other prior art, more

Have following advantage:

1. the mode of the utility model by fastening makes two bodys firmly be combined into one, to reach the purpose that prolongs body length.

2. the utlity model has simple in structure, advantages such as assembling is easy, operation facility.

Description of drawings

See also the detailed description and the accompanying drawing thereof of following relevant the utility model one preferred embodiment, further understand technology contents of the present utility model and purpose effect thereof; Relevant this embodiment's accompanying drawing is:

Fig. 1 is the decomposing schematic representation of the utility model joint fastening structure;

Fig. 2 is the schematic perspective view of the utility model joint fastening structure;

Fig. 3 A, 3B, 3C are the action schematic representation of the utility model joint fastening structure;

Fig. 4 A, 4B, 4C are other enforcement schematic representation of first conversion adapter of the utility model joint fastening structure; And

Fig. 5 A, 5B, 5C are other enforcement schematic representation of second conversion adapter of the utility model joint fastening structure.

Among the figure 1 is first conversion adapter, and 11 is recess, and 12 is first screw thread, and 13 is first sleeve pipe, 2 is second conversion adapter, and 21 is positioning part, and 22 is first lug, and 221 is first hole, 222 is second hole, and 23 is second lug, and 231 is the 3rd hole, and 232 is the 4th hole, 24 is second screw thread, and 25 is penetration hole, and 26 is second sleeve pipe, and 3 is packing ring, 4 is pressure arm, and 41 is button portion, and 411 is the 5th hole, 42 is the collar, and 5 are rotating shaft, and 6 is safety pin.

Embodiment

See also shown in Fig. 1 to Fig. 3 A, 3B, the 3C, joint fastening structure provided by the utility model mainly includes:

One first conversion adapter 1, this first conversion adapter 1 is a hollow shape, and one end outer surface is equipped with a recess 11, and the other end outer surface is provided with first screw thread 12, and is solid for the spiral shell of body;

One second conversion adapter 2, this second conversion adapter 2 is a hollow shape, be equipped with a positioning part 21 in it, put for a packing ring 3, and respectively being extended with first,

second lugs

22,23 of two correspondences in the top two side walls, this first,

second lug

22,23 is provided with first～the 4th corresponding hole 221,222,231,232, and is provided with a penetration hole 25 in 22,23 of first, second lugs, and extensible one second sleeve pipe 26 in the bottom of second conversion adapter 2, for the sheathed binding of body;

Two pressure arms 4, the top of this pressure arm 4 have a button portion 41, and this button portion 41 is provided with one the 5th hole 411, and are articulated with a collar 42 in the bottom of pressure arm 4; The button portion 41 of two pressure arms 4 is incorporated into 22,23 of first, second lugs of correspondence of second conversion adapter, 2 both sides respectively, the button portion 41 of pressure arm 4 is entered in the penetration hole 25 of second conversion adapter 2, and the 5th hole 411 in the button portion 41 is corresponding with the first, the 3rd hole 221,231 of first,

second lug

22,23, by running through of a rotating shaft 5, make the button portion 41 of pressure arm 4 be articulated in 22,23 of first, second lugs of second conversion adapter 2, and can be in first,

second lug

22,23 intercropping rotary movements;

When first conversion adapter 1 and second conversion adapter 2 interconnect, the pressure arm 4 that needs to be articulated in second conversion adapter, 2 both sides upwards starts, make its button portion 41 break away from the penetration hole 25 (as shown in Figure 3A) of second conversion adapter 2, recess 11 ends of first conversion adapter 1 can be inserted in second conversion adapter 2 smoothly, and be held in the surface of packing ring 3, again with the 4 downward pressure holdings (shown in Fig. 3 B) of two pressure arms, make the button portion 41 of this pressure arm 4 be fastened in the recess 11 of first transfer tube 1 (shown in Fig. 3 C), cause first, second conversion adapter 1,2 firmly are combined into one, and setting by packing ring 3, make the adaptation of its junction more closely knit, to reach the effect of antiseepage.In addition, very upwards do not start for avoiding two pressure arms 4, it can insert a safety pin 6 in first,

second lug

22,23 of second conversion adapter 2 and the second, the 4th hole 222,232, make pressure arm 4 upwards to start; Otherwise, when desire is separated first conversion adapter 1 and second conversion adapter 2, must earlier safety pin 6 be detached first,

second lug

22,23, can pass through the auxiliary of the pressure arm 4 bottom collars 42 again, pressure arm 4 can upwards be started, cause this button portion 41 to break away from the recess 11 of first conversion adapter 1, first conversion adapter 1 can be taken out.

Other sees also shown in Fig. 4 A, 4B, the 4C, other implements schematic representation for first conversion adapter of the present utility model, one end of this first joint 1 is provided with recess 11, the other end is except that can be in the surface is provided with first screw thread 12, it also can be arranged on first screw thread 12 in the internal face of first transfer tube 1, shown in Fig. 4 A; Perhaps, can be with this end sealing, shown in Fig. 4 B; Perhaps, also can be extended out first sleeve pipe 13, shown in Fig. 4 C.

See also shown in Fig. 5 A, 5B, the 5C, other implements schematic representation to be second conversion adapter of the present utility model again, and the bottom of this second conversion adapter 2 and can be attacked in outer surface and establish second screw thread 24 except that extensible second sleeve pipe 26, shown in Fig. 5 A; Perhaps, this second screw thread 24 is arranged in the internal face, shown in Fig. 5 B; Perhaps, can be with this end sealing, shown in Fig. 5 C.

Above-mentioned detailed description is specifying at one of the utility model possible embodiments; this embodiment is not in order to limit scope of patent protection of the present utility model; allly do not break away from the equivalence that the utility model skill spirit does and implement or change, all should be contained in the scope of patent protection of this case.

Claims

1. joint fastening structure is characterized in that comprising:

One first conversion adapter is hollow shape, and one end outer surface is equipped with a recess, and this recess end can be inserted in second conversion adapter, and is held in washer face;

One second conversion adapter is hollow shape, is equipped with a positioning part for packing ring storing in it, and respectively be articulated with a pressure arm in the top two side walls, the top of this pressure arm has a button portion, and this button portion enters in second conversion adapter, and can be fastened in the recess of first conversion adapter.

2. by the described joint fastening structure of claim 1, it is characterized in that: wherein this second conversion adapter top two side walls respectively is extended with first lug and second lug of two correspondences, this two lug is provided with first～the 4th corresponding hole, and between two lugs and be provided with a penetration hole; And in the button portion of pressure arm, be provided with one equally and can cause button portion can enter in the penetration hole of second conversion adapter for the 5th hole that mutually articulates by running through of rotating shaft.

3. by the described joint fastening structure of claim 1, it is characterized in that: wherein the outer surface of this first conversion adapter the other end can be established for the first solid screw thread of body spiral shell.

4. by the described joint fastening structure of claim 1, it is characterized in that: wherein the internal face of this first conversion adapter the other end can be established for the first solid screw thread of body spiral shell.

5. by the described joint fastening structure of claim 1, it is characterized in that: wherein this first conversion adapter the other end extends one for the first fixed sleeve pipe of body.

6. by the described joint fastening structure of claim 1, it is characterized in that: wherein this first conversion adapter the other end can be closed shape.

7. by the described joint fastening structure of claim 1, it is characterized in that: wherein the outer surface of this second conversion adapter bottom can be established for the second solid screw thread of body spiral shell.

8. by the described joint fastening structure of claim 1, it is characterized in that: wherein the internal face of this second conversion adapter bottom can be established for the second solid screw thread of body spiral shell.

9. by the described joint fastening structure of claim 1, it is characterized in that: wherein this second conversion adapter bottom extensible one is for the second fixed sleeve pipe of body.

10. by the described joint fastening structure of claim 1, it is characterized in that: wherein this second conversion adapter bottom can be closed shape.