CN206377376U - A kind of attachment structure of fluid path component - Google Patents

Abstract

The utility model discloses a kind of attachment structure of fluid path component, including hollow rotating shaft, bearing block, the first joint and the second joint, the shaft end of rotating shaft is by bearing block support；First joint is the hollow pipe of forward end seal, and hollow pipe includes radial hole, and radial hole is connected with the endoporus of hollow pipe；The outer surface of hollow pipe includes being embedded with sealing ring in two seals annular groove, closure gasket groove；Second joint includes sleeve and pipe joint, and sleeve is enclosed on the outer surface of hollow pipe, and the rear end of sleeve includes bead；Bead includes two mounting holes, and support set is arranged in mounting hole；The diameter of mounting hole is more than the diameter of support set, and the height of support set is more than the thickness of bead；Mounting screw screws in the screwed hole of bearing block front end face through support set, and the second joint is connected with bearing block.The utility model passes through preset clearance, it is ensured that have enough frees degree between the first joint and the second joint, and energy automatic capturing, sealing ring is not easy to wear, the good reliability and long lifespan of fluid path component.

Description

A kind of attachment structure of fluid path component

[technical field]

The utility model is related to liquid conveying, more particularly to a kind of attachment structure of fluid path component.

[background technology]

It is the attachment structure of prior art fluid path component shown in Figure 11 and Figure 12, including it is hollow rotating shaft 2, bearing block 3, defeated Liquid pipe 7, the first joint 4 and the second joint 5, bearing block 3 are fixed in frame, and the shaft end of rotating shaft 2 is by the bearing in bearing block 3 Supporting.First joint 4 includes the hollow pipe 401 and pipe joint 404 of forward end seal, and pipe joint 402 and the woven hose 7 of rear end connect Connect.Hollow pipe 401 has multiple radial holes 402, and radial hole 402 is connected with the endoporus of hollow pipe 401.The outer surface of hollow pipe 401 On be embedded with sealing ring 6 in the front and back of radial hole 402 respectively has two seals annular groove 406, closure gasket groove 406.Second joint 5 Including sleeve 501 and pipe joint 502, sleeve 501 is enclosed on the outer surface of hollow pipe 401, and there is square bead the rear end of sleeve 501 503, bead 503 is fixed on the front portion of bearing block 3 by 4 screws 10.There is a ring groove in the middle part of the endoporus of sleeve 501 504, pipe joint 502 is connected with the middle part of sleeve 501, the axis vertical take-off with sleeve 501.The endoporus and annular groove of pipe joint 502 504 connections.The two ends of annular groove 504 are sealed by sealing ring 6.The shortcoming of prior art fluid path assembly connecting structure is, due to manufacture With the error of installation, the axiality of both connecting portions is difficult to ensure that, when the first joint and the relative rotation of the second joint, sealing ring Serious wear, easily produces liquid leakage, and product reliability and life-span can not ensure.

[content of the invention]

It is not easy to wear that the technical problems to be solved in the utility model is to provide a kind of sealing ring, good reliability, long lifespan The attachment structure of fluid path component.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is, a kind of connection knot of fluid path component Structure, including hollow rotating shaft, bearing block, two mounting screws, two support sets, the first joint and the second joint, the axle of rotating shaft End is by bearing block support；First joint is the hollow pipe of forward end seal, and the rear end of hollow pipe includes transfusion tube joint；Hollow pipe bag At least one radial hole is included, radial hole is connected with the endoporus of hollow pipe；The outer surface of hollow pipe is each in radial hole front and back Including closure gasket groove, sealing ring is embedded with closure gasket groove；Second joint includes sleeve and pipe joint, and sleeve is enclosed on the outer of hollow pipe Surface, the rear end of sleeve includes bead；Described bead includes two mounting holes, and support set is arranged in mounting hole；Mounting hole Diameter be more than the diameter of support set, the height of support set is more than the thickness of bead；Mounting screw screws in bearing through support set The screwed hole of seat front end face, the second joint is connected with bearing block.

The attachment structure of above-described fluid path component, hollow tube outer surface includes ring-shaped groove, ring-shaped groove and radial direction Hole is connected, and between ring-shaped groove arrangement front closure gasket groove and rear closure gasket groove, pipe joint is connected with ring-shaped groove.

The attachment structure of above-described fluid path component, the rear portion of the first joint includes a plurality of radially-protruding projections, Projection is located at the front of transfusion tube joint；The front end face of rotating shaft includes and number of slugs identical neck, described projection insertion Into neck.

Bearing in the attachment structure of above-described fluid path component, bearing block is ball bearing, and the preceding shaft end of rotating shaft is worn The endoporus of ball bearing is crossed, the neck of rotating shaft front end is located at the front of ball bearing.

The attachment structure of above-described fluid path component, including woven hose, the side wall at the middle part of rotating shaft include through hole, transfusion Pipe is connected through through hole with the transfusion tube joint of the first joint rear end.

The attachment structure of the utility model fluid path component passes through preset clearance, it is ensured that have between the first joint and the second joint Enough axial frees degree and the free degree of radial direction, when sealing ring is relatively rotated between the first joint and the second joint, energy Automatic capturing, sealing ring is not easy to wear, and the reliability of fluid path assembly connecting structure and life-span are good, improves fluid path component seal Service life.

[brief description of the drawings]

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Fig. 1 is the front view of the attachment structure of the utility model embodiment fluid path component.

Fig. 2 is A-A in Fig. 1 to sectional view.

Fig. 3 is the schematic diagram of the utility model embodiment the second joint bead mounting hole and support set radial clearance.

Fig. 4 is the schematic diagram of the utility model embodiment the second joint bead axial gap.

Fig. 5 is the schematic diagram of the utility model embodiment woven hose connection.

Fig. 6 is the stereogram of the attachment structure of the utility model embodiment fluid path component.

Fig. 7 is the exploded view of the attachment structure of the utility model embodiment fluid path component.

Fig. 8 is the exploded view that the rotating shaft of the utility model embodiment is connected with the first joint.

Fig. 9 is the stereogram that the rotating shaft of the utility model embodiment is connected with frame.

Figure 10 is the front view that the rotating shaft of the utility model embodiment is connected with frame.

Figure 11 is the front view of the attachment structure of prior art fluid path component.

Figure 12 is the B-B direction sectional view in Figure 11.

[embodiment]

The attachment structure of the utility model embodiment fluid path component as shown in Figures 1 to 10, including frame 1, hollow turns Axle 2, two bearing blocks 3, two mounting screws 10, two support sets 11, the first joint 4 and the second joint 5.

Two bearing blocks 3 are separately mounted to the two ends of frame 1, and two shaft ends of rotating shaft 2 are respectively in two bearing blocks 3 Ball bearing 13 is supported.

First joint 4 is the hollow pipe 401 of forward end seal, and there is a transfusion tube joint 404 rear end of hollow pipe 401.It is empty There are multiple radial holes 402 on heart pipe 401, radial hole 402 is connected with the endoporus 403 of hollow pipe 401.The outer surface of hollow pipe 401 There are one of ring-shaped groove 405 and two seals annular groove 406, ring-shaped groove 405 is arranged between two seals annular groove 406.Annular Groove 405 is connected with radial hole 402.

Sealing ring 6 is embedded with the closure gasket groove 406 of the both sides of ring-shaped groove 405, the liquid entered in ring-shaped groove 405 is prevented Body is leaked.

Second joint 5 includes sleeve 501 and pipe joint 502, and sleeve 501 is enclosed on the appearance of the hollow pipe 401 of the first joint 4 Face, the endoporus of pipe joint 502 is connected with ring-shaped groove 405.

There is a bead 503 rear end of sleeve 501.Bead 503 has symmetrical two mounting holes centered on sleeve axis 504, support set 11 is arranged in mounting hole 504.The diameter of mounting hole 504 is more than the diameter of support set 11, depositing between the two In 2 millimeters of clearance delta, the height of support set 11 is more than the thickness of bead 503.Mounting screw 10 screws in axle through support set 11 The screwed hole of the front end face of bearing 3, the second joint 5 is connected with bearing block 3, the head of screw (including pad) of mounting screw 10 with There is 1 millimeter of gap delta between bead 503.

The rear portion of first joint 4, which has, two projections radially stretched out 408 in a bead 407, bead 407, Bead 407 is located at the front of transfusion tube joint 502.

The preceding shaft end of rotating shaft 2 passes through the endoporus of ball bearing 13, and the front end face of rotating shaft 2 has two necks 201, before rotating shaft 2 The neck 201 at end is located at the front of ball bearing, and projection 408 is embedded into neck 201, and the first joint 4 turns together with rotating shaft 2 It is dynamic.

The side wall at the middle part of rotating shaft 2 has a through hole 202, and woven hose 7 passes through through hole and the woven hose of the rear end of the first joint 4 Joint 502 is connected.

The utility model above example passes through preset clearance Δ and gap delta, it is ensured that the first joint 4 and the second joint 5 it Between have the free degree of the enough axial free degree and radial direction, sealing ring 6 is relative between the first joint 4 and the second joint 5 to be turned When dynamic, energy automatic capturing, so as to improve the service life of fluid path component seal.

Claims (5)

1. a kind of attachment structure of fluid path component, including hollow rotating shaft, bearing block, the first joint and the second joint, rotating shaft Shaft end is by bearing block support；First joint is the hollow pipe of forward end seal, and the rear end of hollow pipe includes transfusion tube joint；Hollow pipe Including at least one radial hole, radial hole is connected with the endoporus of hollow pipe；The outer surface of hollow pipe is in radial hole front and back Respectively include being embedded with sealing ring in closure gasket groove, closure gasket groove；Second joint includes sleeve and pipe joint, and sleeve is enclosed on hollow pipe Outer surface, the rear end of sleeve includes bead；It is characterised in that it includes two mounting screws and two support sets, described bead Including two mounting holes, support set is arranged in mounting hole；The diameter of mounting hole is more than the diameter of support set, the height of support set More than the thickness of bead；Mounting screw screws in the screwed hole of bearing block front end face through support set, by the second joint and bearing block Connection.

2. the attachment structure of fluid path component according to claim 1, it is characterised in that hollow tube outer surface includes annular ditch Groove, ring-shaped groove is connected with radial hole, between ring-shaped groove arrangement front closure gasket groove and rear closure gasket groove, pipe joint and ring Shape groove is connected.

3. the attachment structure of fluid path component according to claim 1, it is characterised in that the rear portion of the first joint includes plural number Individual radially-protruding projection, projection is located at the front of transfusion tube joint；The front end face of rotating shaft includes and number of slugs identical card Groove, described projection is embedded into neck.

4. the attachment structure of fluid path component according to claim 3, it is characterised in that the bearing in bearing block is ball axle Hold, the preceding shaft end of rotating shaft passes through the endoporus of ball bearing, the neck of rotating shaft front end is located at the front of ball bearing.

5. the attachment structure of fluid path component according to claim 1, it is characterised in that including woven hose, the middle part of rotating shaft Side wall include through hole, woven hose is connected through through hole with the transfusion tube joint of the first joint rear end.