CN208123722U - The locating ring of quick connector - Google Patents

Abstract

The utility model relates to a kind of locating rings of quick connector, including whole circle body annular in shape, the circlip locating slot due to installing lock-bit circlip is formed on the circle body, the circlip locating slot is in be similar to C font, and be made of sharp hook positioning ring, hollow out ring and stop collar, the positioning step with the cooperation of the sharp hook of lock-bit circlip is formed on the point hook positioning ring；The auxiliary circlip locating slot for installing auxiliary lock-bit circlip is also formed on the circle body, the auxiliary circlip locating slot is identical as circlip positioning slot structure.The locating ring of the utility model after lock-bit circlip is mounted in circlip locating slot, is able to achieve and carries out can be achieved with installing without tools such as spanners from locking to the fast straight coupling of inserting of insertion.

Description

The locating ring of quick connector

Technical field

The utility model relates to quick connector locating rings used in locating ring more particularly to a kind of automobile pipeline, belong to Technical field of automobile accessories.

Background technique

In automobile pipeline, the current country generallys use collar joint and is connected by cutting ferrule nut.In order to make connector not Generate gas leakage, it is necessary to make the connector that screws up with a wrench, but automobile structurally, the place or position of the connector are much installed It sets, operating space is fairly small, extremely difficult using tools such as spanners.Therefore, it is necessary to research and develop one kind to be not necessarily to the tools such as spanner just It is able to achieve the quick connector of installation.

Utility model content

For the defects in the prior art, the utility model provides a kind of for installing the locating ring of self-locking lock-bit circlip, Quick connector to can be achieved with installation without tools such as spanners provides a kind of important component.

In order to reach above-mentioned purpose of utility model, technical solution used by the utility model is：

The locating ring of quick connector, including whole circle body annular in shape, it is characterised in that be formed on the circle body due to The circlip locating slot of lock-bit circlip is installed, the circlip locating slot in being similar to C font, and by sharp hook positioning ring, hollow out ring with And stop collar forms, and the positioning step with the cooperation of the sharp hook of lock-bit circlip is formed on the point hook positioning ring；On the circle body also It is formed with the auxiliary circlip locating slot for installing auxiliary lock-bit circlip, the auxiliary circlip locating slot and the circlip locating slot knot Structure is identical.

It is advanced optimized as to above-mentioned technical proposal：The outer wall of the circle body is formed with bulge loop.

The quick connector locating ring of the utility model, due to sharp hook positioning ring, hollow out ring and the isostructural presence of stop collar, After lock-bit circlip is mounted in circlip locating slot, it is able to achieve and the fast straight coupling of inserting of insertion is carried out being not necessarily to spanner from locking Equal tools can be achieved with installing.

Detailed description of the invention

Fig. 1 is the quick connector assembly structure diagram using the utility model.

Fig. 2 is the structural schematic diagram of the fast slotting straight coupling in Fig. 1.

Fig. 3 is the structural schematic diagram of the lock-bit circlip in Fig. 1.

Fig. 4 is the structural schematic diagram of the locating ring in Fig. 1.

Fig. 5 is the schematic cross-sectional view of the locating ring in Fig. 4.

Fig. 6 is the structural schematic diagram of the circlip locating slot in Fig. 4.

Fig. 7 is the structural schematic diagram of the nut seat in Fig. 1.

Fig. 8 is the schematic cross-sectional view of the nut seat in Fig. 7.

Fig. 9 is the schematic cross-sectional view of the retainer plate in Fig. 1.

Specific embodiment

The utility model and its use are described further with reference to the accompanying drawings and detailed description.As Fig. 1-9 institute Show, a kind of quick connector using the utility model locating ring, including inserts straight coupling 1 and pipe joint chair 7, the pipe joint chair 7 fastly On nut seat 2 is installed, between the pipe joint chair 7 and the nut seat 2 for screw threads for fastening cooperate.Its specific structure is the pipe The inner wall of joint chair 7 is formed with internal screw thread, and the outer wall of nut seat 2 is formed with external screw thread, and nut seat 2 and pipe joint chair 7 pass through internal and external screw thread Cooperation realize fix.The straight coupling 1 slotting fastly is mounted on the nut seat 2, and the straight coupling 1 slotting fastly connects nylon The position of pipe 9 is formed with the laemodipodiform inverted teeth 8 for quickly connecting with nylon tube 9.Nylon tube 9 is connected to the straight coupling slotting fastly It is not easily to fall off due to the effect by laemodipodiform inverted teeth 8 after on 1.The fast slotting straight coupling 1 is inserted into the head of the nut seat 2 Circular conical surface is made in portion, and the convenient straight coupling 1 slotting fastly of part pyramid like configuration is inserted into nut seat 2.The straight coupling 1 slotting fastly and described Self-locking fixer is provided between nut seat 2.

In above-mentioned technical proposal：The self-locking fixer includes the fixation for being mounted on the 2 thread segment end of nut seat Circle 3, the 2 thread segment end of nut seat is formed with fixing groove 23, and one end of the retainer plate 3 is formed with aduncate fixing clasp 32, the fixing clasp 32 is located in the fixing groove 23, and retainer plate 3 is made to be fixed on 2 thread segment end of nut seat.The fixation It is provided with locating ring 6 in circle 3, the outer wall of the locating ring 6 is formed with bulge loop 63, and the inner wall of the retainer plate 3 is close to medium position Inwardly protruding formation retaining ring 33, the bulge loop 63 is between the 2 thread segment end of nut seat and retaining ring 33, the nut seat There are certain distances between 2 thread segment ends and retaining ring 33, i.e., after the installation is completed, locating ring 6 has certain activity space.It is described It is formed with circlip locating slot 61 on locating ring 6, lock-bit circlip 5 is installed in the circlip locating slot 61, the lock-bit circlip 5 blocks One end of the fast slotting straight coupling 1.

In above-mentioned technical proposal：The lock-bit circlip 5 is integrally in be similar to C font, and two points by being located at opening Hook 51, two positioning snap rings 52 being connect respectively with two sharp hooks 51 and 53 groups of connection ring that connect two positioning snap rings 52 At the interior lateral center of circle direction of described two positioning snap rings 52 forms annular protrusion；

The whole circlip locating slot 61 is also in be similar to C font, and by sharp hook positioning ring 64, hollow out ring 65 and limit Ring 66 forms, and is formed with positioning step 67 on the point hook positioning ring 64, the sharp hook 51 of the lock-bit circlip 5 hooks the positioning table The positioning snap ring 52 of rank 67, the lock-bit circlip 5 is located in the hollow out ring 65, and the annular protrusion of the positioning snap ring 52 passes through The hollow out ring 65 enters inside the locating ring 6, and the stop collar 66 is located at the tip inside of the hollow out ring 65, structure Cooperate with the connection ring 53 of the lock-bit circlip 5；

The straight coupling 1 slotting fastly is formed with lock-bit slot 11 close to the end of the nut seat 2, and the positioning snap ring 52 enters Annular protrusion inside locating ring 6 blocks the cell wall of the lock-bit slot 11.

In above-mentioned technical proposal：Auxiliary circlip locating slot 62, the auxiliary circlip locating slot are also formed on the locating ring 6 Auxiliary lock-bit circlip 4 is installed, the auxiliary circlip locating slot 62 is identical as 61 structure of circlip locating slot, described auxiliary in 62 Help lock-bit circlip 4 identical as 5 shape of lock-bit circlip, the auxiliary lock-bit circlip 4 enters the annular protrusion inside locating ring 6 In the lock-bit slot 11.The effect of auxiliary lock-bit circlip 4 is limitation slotting sliding model of the straight coupling 1 in nut seat 2 fastly It encloses.

In above-mentioned technical proposal：2 inner wall of nut seat is formed with 6 first V-type grooves 21,2 inner port of nut seat Portion is formed with the ten two the second V-type grooves 22, and first V-type groove 21 is staggered one by one with second V-type groove 22.If fast It inserts and is leaked between straight coupling 1 and nut seat 2, leaked gas is let out by 2 inner wall of nut seat, 6 first v-depression 21 Out, it amplifies using the ten two the second V-type groove 22 of 2 inner end oral area of nut seat and issues sound, there is warning function.

In above-mentioned technical proposal：The outside that the fast slotting straight coupling 1 is inserted into 2 position of nut seat is formed with O-ring slot 14, it is formed with a circle protrusion 141 among the O-ring slot 14, it is described fast equipped with preventing extraneous dust from entering on the O-ring slot 14 The dustband 13 of straight coupling 1 is inserted, is formed with rotation stop groove 131, the protrusion in the O-ring slot 14 141 on the dustband 13 In in the rotation stop groove 131.The cooperation of the rotation stop groove 131 and protrusion 141 is so that dustband 13 is fixed in O-ring slot 14 not It rotates, improves dust-proof effect.The dustband 13 is O-ring, and die joint setting is put down where with dust-proof loop diameter On the position that 45 ° of face angle, actually dustband 13 also plays sealing function.

In above-mentioned technical proposal：The outside of the retainer plate 3 is provided with chase slot 31.If by the retainer plate 3 Disassembly, as long as clamping the chase slot 31 of the retainer plate 3 with clamp specially, the retainer plate 3 can be unloaded by firmly pulling outward Under, it dismantles simple, quick and conveniently.

In above-mentioned technical proposal：The outside that the fast slotting straight coupling 1 is inserted into 2 position of nut seat is provided with to described The first sealing ring 12 that fast slotting straight coupling 1 and the nut seat 2 are sealed, the 2 thread segment position of nut seat equipped with pair The second sealing ring 24 that the fast slotting straight coupling 1 and the pipe joint chair 7 are sealed.First sealing ring 12, second is close Seal 24 is O-ring, and die joint is identical as above-mentioned dustband 13, is also disposed at and plane included angle where seal diameter On 45 ° of position, sealing effect is substantially increased.

The installation process of the utility model is as follows, the first sealing ring 12 is packed into slotting straight coupling 1 fastly first, by dustband 13 are fitted into the O-ring slot 14 in fast slotting straight coupling 1, as shown in Fig. 2, the protrusion 141 of O-ring slot 14 is made to be located at dustband 13 Rotation stop groove 131 in, by the second sealing ring 24 be packed into nut seat 2.The connection ring 53 of lock-bit circlip 5 is directed at stop collar 66 to be put into In circlip locating slot 61, then with Circlip tongs lock-bit circlip 5 is strutted, until the sharp hook 51 of lock-bit circlip 5 hooks positioning step 67, pine Circlip tongs are opened, the annular protrusion of positioning snap ring 52 passes through hollow out ring 65 and enters inside locating ring 6, completes lock-bit circlip 5 and circlip The installation of locating slot 61.Auxiliary lock-bit circlip 4 is equally fitted into auxiliary circlip locating slot 62 with Circlip tongs.Again by locating ring 6 Bulge loop 63 is put between the fixing clasp 32 of retainer plate 3 and retaining ring 33, by the 32 pressed-in nut seat 2 of fixing clasp in retainer plate 3 It is fixed to make the two in the fixing groove 23 of thread segment end, and existing gap makes between 2 thread segment end of nut seat and retaining ring 33 Locating ring 6 in Fig. 1 state has certain activity space.When assembly, the circular conical surface on fast slotting 1 head of straight coupling squeezes down, It forces locating ring 6 to move down, is limited until bulge loop 63 is touched with retaining ring 33, assist lock-bit circlip 4 and lock-bit circlip 5 at this time There are certain expansive spaces.The circular conical surface continuation on fast slotting 1 head of straight coupling squeezes down, first expansion auxiliary lock-bit circlip 4, Reinflated lock-bit circlip 5, until the positioning snap ring 52 of lock-bit circlip 5 enters in lock-bit slot 11 and blocks the cell wall of lock-bit slot 11, After i.e. slotting straight coupling 1 is inserted into nut seat 2 fastly, the lock-bit slot 11 of fast slotting straight coupling 1 is locked by the lock-bit circlip 5 in locating ring 6 Firmly, it realizes that slotting straight coupling 1 is fixed in nut seat 2 fastly not falling off, and lock-bit circlip 4 is assisted to limit slotting straight coupling 1 fastly Sliding space in nut seat 2 prevents lock-bit circlip 5 from falling off.It inserts when straight coupling 1 squeezes down and makes fastly in the above process Dustband 13 is compressed, and after the positioning snap ring 52 of lock-bit circlip 5 blocks the cell wall of lock-bit slot 11, compressed dustband 13 is opened Begin to spring back, drives fast slotting straight coupling 1 to reset to position as shown in Figure 1, simultaneously because lock-bit circlip 5 blocks the slot of lock-bit slot 11 Wall, so that lock-bit circlip 5, locating ring 6 and auxiliary lock-bit circlip 4 are sprung back together with fast straight coupling 1 of inserting, until such as Fig. 1 Shown position.The mutual cooperation of 63 chamfered portion of bulge loop and 23 chamfered portion of fixing groove as shown in Figure 8 as shown in Figure 5 is to fixed Position circle 6, which resets, plays guiding role, so that 6 springback process of locating ring is stablized.Locating ring 6 reset after, auxiliary lock-bit circlip 4 with Lock-bit circlip 5 loses expansive space, firmly locks the cell wall of lock-bit slot 11.The cooperation that nut seat 2 is finally passed through into internal and external screw thread It is fixed on pipe joint chair 7, so far completes entire assembly.

When needing to dismantle, first checking has without pressurization in pipeline, then unscrews pipe joint chair 7 and nut seat 2, then use exclusive clamps The chase slot 31 outside retainer plate 3 is stated in clamp residence, is firmly pulled and is unloaded the retainer plate 3 outward.Again from locating ring 6 Circlip locating slot 61 present in gap insertion disassembly hook, and from side pull out lock-bit circlip 5, relieve lock-bit circlip 5 with The locking of 11 cell wall of lock-bit slot.Then locating ring 6 is moved down, until auxiliary lock-bit circlip 4 obtains expansive space.Again from fixed Insertion disassembly hook in gap present in auxiliary circlip locating slot 62 on position circle 6, and auxiliary lock-bit circlip 4 is pulled out from side, then Locating ring 6 is taken out from fast 1 head of straight coupling of inserting, slotting straight coupling 1 can be extracted out from nut seat 2 fastly at this time, finally Other component is removed.

Need to check whether nut seat 2 and the first sealing ring 12, the second sealing ring 24, dustband 13 damage before assembling again It is bad.

The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain Available technical solution is tested, should all be fallen into the protection scope of the utility model.

Claims (2)

1. the locating ring of quick connector, including whole circle body annular in shape, it is characterised in that be formed on the circle body due to peace The circlip locating slot (61) of lock-bit circlip (5) is filled, the circlip locating slot (61) is in being similar to C font, and by sharp hook positioning ring (64), hollow out ring (65) and stop collar (66) form, and the sharp hook with lock-bit circlip (5) is formed on the point hook positioning ring (64) (51) positioning step (67) cooperated；The auxiliary circlip positioning for installing auxiliary lock-bit circlip (4) is also formed on the circle body Slot (62), the auxiliary circlip locating slot (62) are identical as circlip locating slot (61) structure.

2. the locating ring of quick connector according to claim 1, it is characterised in that the outer wall of the circle body is formed with bulge loop (63)。