CN214820348U

CN214820348U - Injection molding insert knurling bush

Info

Publication number: CN214820348U
Application number: CN202121616582.8U
Authority: CN
Inventors: 范艳普
Original assignee: Ningbo Hexin Standard Parts Co ltd
Current assignee: Ningbo Hexin Standard Parts Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-11-23
Anticipated expiration: 2031-07-16

Abstract

The embodiment of the utility model discloses mold insert annular knurl bush moulds plastics, concretely relates to bush field, including the overcoat, the bottom of overcoat is provided with first snap ring, the top of overcoat is provided with the second snap ring, first snap ring is the same with the specification size of second snap ring, the top center fixed mounting of second snap ring has the push pipe. The utility model discloses a set up first snap ring, the second snap ring, connecting seat and bolt, the bush wholly adopts assembled structure to constitute, before using, need wholly assemble the bush, when assembling, install endotheca and overcoat on first snap ring in proper order earlier, then fix the second snap ring on the top of endotheca and overcoat, when installing the ejector sleeve, insert the second snap ring earlier with the bottom connecting seat in, insert the bolt in the spacing groove, it is fixed to the connecting seat, when the in-process that uses, when the damage appears in some parts, can in time dismantle and change, practice thrift the cost of changing.

Description

Injection molding insert knurling bush

Technical Field

The embodiment of the utility model provides a relate to the bush field, concretely relates to mold insert annular knurl bush moulds plastics.

Background

The lining is a matching part used outside mechanical parts to achieve the functions of sealing, wear protection and the like, and is a ring sleeve playing the role of a gasket.

The prior art has the following defects: the existing bushing is generally of an integrated structure, when a part is damaged, the whole bushing needs to be replaced, and the replacement cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an injection molding mold insert annular knurl bush, through first snap ring, the second snap ring, connecting seat and bolt, the bush wholly adopts assembled structure to constitute, before the use, need wholly assemble the bush, when assembling, install endotheca and overcoat on first snap ring in proper order earlier, then fix the second snap ring on the top of endotheca and overcoat, when installing the ejector pin, insert the second snap ring earlier with the bottom connecting seat in, insert the bolt in the spacing inslot, it is fixed to the connecting seat, when in-process when using, when the damage appears in some parts, can in time dismantle and change, practice thrift the cost of changing, with the problem of solving among the prior art because the replacement cost height leads to.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: an injection molding insert knurling bush comprises an outer sleeve, wherein a first snap ring is arranged at the bottom end of the outer sleeve, a second snap ring is arranged at the top end of the outer sleeve, the first snap ring and the second snap ring are identical in specification and size, a top pipe is fixedly arranged at the center of the top end of the second snap ring, a connecting seat is fixedly arranged at the bottom end of the top pipe, an inner sleeve is arranged inside the outer sleeve, a first connecting groove is formed in the outer surface of the first snap ring, a second connecting groove is formed in the outer surface of the first snap ring, a first connecting pipe is fixedly arranged at the top end of the first snap ring, a second connecting pipe is fixedly arranged at the outer side of the first connecting pipe, a plurality of knurling stripes are formed in the outer surface of the outer sleeve, a plurality of through holes are formed in the outer surface of the inner sleeve, and the outer sleeve and the inner sleeve are made of plastic materials, the outer surfaces of the first connecting pipe and the second connecting pipe are both provided with threads.

Further, the connecting seat is embedded in the second clamping ring, and the connecting seat is matched with the second clamping ring.

Furthermore, the both sides fixed mounting of connecting seat has the dog, logical groove has been seted up to the inner wall both sides of second snap ring, the dog and leading to the groove phase-match.

Furthermore, the inner wall of the second snap ring is located below the through groove and is provided with an inner groove, the bottom end of the through groove is communicated with the inner groove, and the stop block is connected with the inner groove in a sliding mode.

Furthermore, the check block and the outer surface of the second clamping ring are both provided with a limiting groove, a bolt is inserted into the limiting groove, a groove is formed in the top end of the bolt, threads are arranged on the inner wall of the groove, and one end of the bolt is matched with the limiting groove.

Furthermore, the upper end and the lower end of the outer sleeve are fixedly provided with first connecting rings, and one ends of the first connecting rings are matched with the first connecting grooves.

Furthermore, the upper end and the lower end of the inner sleeve are fixedly provided with a second connecting ring, and the bottom end of the second connecting ring is matched with the second connecting groove.

Furthermore, the first connecting pipe is in threaded connection with the bottom end of the inner sleeve, and the second connecting pipe is in threaded connection with the bottom end of the outer sleeve.

The embodiment of the utility model provides a have following advantage:

through setting up first snap ring, the second snap ring, connecting seat and bolt, the bush wholly adopts assembled structure to constitute, before using, need assemble the bush wholly, when assembling, install endotheca and overcoat on first snap ring in proper order earlier, then fix the second snap ring on the top of endotheca and overcoat, when installing the ejector sleeve, insert the second snap ring with the bottom connecting seat earlier in, insert the bolt in the spacing inslot, it is fixed to the connecting seat, when the in-process that uses, when the damage appears in some parts, can in time dismantle and change, practice thrift the cost of changing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall exploded view of the present invention;

FIG. 3 is an exploded view of a first snap ring of the present invention;

FIG. 4 is an exploded view of the outer sleeve and the inner sleeve of the present invention;

fig. 5 is an exploded view of the second snap ring and the top pipe of the present invention.

In the figure: 1. a jacket; 2. a first snap ring; 3. a second snap ring; 4. jacking pipes; 5. a connecting seat; 6. an inner sleeve; 7. a first connecting groove; 8. a second connecting groove; 9. a first connecting pipe; 10. a second connecting pipe; 11. knurling stripes; 12. a through hole; 13. a first connecting ring; 14. a second connection ring; 15. an inner tank; 16. a through groove; 17. a stopper; 18. a limiting groove; 19. and (4) a bolt.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5 of the specification, the injection mold insert knurling bush of the embodiment comprises an outer sleeve 1, a first snap ring 2 is arranged at the bottom end of the outer sleeve 1, a second snap ring 3 is arranged at the top end of the outer sleeve 1, the first snap ring 2 and the second snap ring 3 are the same in specification and size, a top pipe 4 is fixedly installed at the center of the top end of the second snap ring 3, a connecting seat 5 is fixedly installed at the bottom end of the top pipe 4, an inner sleeve 6 is arranged inside the outer sleeve 1, a first connecting groove 7 is formed in the outer surface of the first snap ring 2, a second connecting groove 8 is formed in the outer surface of the first snap ring 2, a first connecting pipe 9 is fixedly installed at the top end of the first snap ring 2, a second connecting pipe 10 is fixedly installed in the outer side of the first connecting pipe 9, a plurality of knurling stripes 11 are formed in the outer surface of the outer sleeve 1, the outer surface of the inner sleeve 6 is provided with a plurality of through holes 12, the outer sleeve 1 and the inner sleeve 6 are made of plastic materials, and the outer surfaces of the first connecting pipe 9 and the second connecting pipe 10 are provided with threads.

Further, connecting seat 5 imbeds in the inside of second snap ring 3, connecting seat 5 and the phase-match of second snap ring 3 are when installing ejector sleeve 4, insert bottom connecting seat 5 earlier in second snap ring 3.

Furthermore, both sides of the connecting seat 5 are fixedly provided with stoppers 17, both sides of the inner wall of the second snap ring 3 are provided with through grooves 16, the stoppers 17 are matched with the through grooves 16, and in the inserting process, the stoppers 17 on both sides of the connecting seat 5 need to correspond to the through grooves 16, so that the stoppers 17 enter the inner grooves 15 from the through grooves 16.

Furthermore, an inner groove 15 is formed in the inner wall of the second snap ring 3 and located below the through groove 16, the bottom end of the through groove 16 is communicated with the inner groove 15, the stop block 17 is connected with the inner groove 15 in a sliding mode, and the connecting seat 5 is rotated to enable the limiting groove 18 in the stop block 17 to correspond to the limiting groove 18 in the second snap ring 3.

Further, stop dog 17 and second snap ring 3's surface has all seted up spacing groove 18, bolt 19 has been inserted to spacing groove 18's inside, the top of bolt 19 is seted up flutedly, the inner wall of recess is provided with the screw thread, when needs take out bolt 19, can use specific instrument one end to insert the recess, with 19 threaded connection of bolt, then pull out bolt 19, bolt 19's one end and spacing groove 18 phase-match insert bolt 19 in spacing groove 18, and is fixed to connecting seat 5.

Further, the upper end and the lower end of the outer sleeve 1 are fixedly provided with first connecting rings 13, one ends of the first connecting rings 13 are matched with the first connecting grooves 7, and the first connecting rings 13 at the bottom end of the outer sleeve 1 are inserted into the first connecting grooves 7.

Further, the upper end and the lower end of the inner sleeve 6 are fixedly provided with a second connecting ring 14, the bottom end of the second connecting ring 14 is matched with the second connecting groove 8, and the inner sleeve 6 and the outer sleeve 1 are rotated until the second connecting ring 14 at the bottom end of the inner sleeve 6 is inserted into the second connecting groove 8.

Further, the first connecting pipe 9 is in threaded connection with the bottom end of the inner sleeve 6, the second connecting pipe 10 is in threaded connection with the bottom end of the outer sleeve 1, and the second clamping ring 3 is rotated to fix the second clamping ring 3 on the top ends of the inner sleeve 6 and the outer sleeve 1.

The working principle is as follows: referring to the attached drawings 1-5 of the specification, the whole bushing is made of an assembly structure, before the bushing is used, the whole bushing needs to be assembled, when the assembly is carried out, an inner sleeve 6 and an outer sleeve 1 are sequentially arranged on a first clamping ring 2, the bottom ends of the inner sleeve 6 and the outer sleeve 1 are in threaded connection with a first connecting pipe 9 and a second connecting pipe 9 respectively, when the assembly is carried out, the inner sleeve 6 and the outer sleeve 1 are rotated until a second connecting ring 14 at the bottom end of the inner sleeve 6 is inserted into a second connecting groove 8, a first connecting ring 13 at the bottom end of the outer sleeve 1 is inserted into a first connecting groove 7, then a first connecting pipe 9 and a second connecting pipe 10 at the bottom end of a second clamping ring 3 correspond to the top ends of the inner sleeve 6 and the outer sleeve 1, then the second clamping ring 3 is rotated to fix the second clamping ring 3 at the top ends of the inner sleeve 6 and the outer sleeve 1, when the top pipe 4 is arranged, a bottom end connecting seat 5 is inserted into the second clamping ring 3, in the inserting process, the stop blocks 17 on two sides of the connecting seat 5 are required to correspond to the through grooves 16, the stop blocks 17 enter the inner grooves 15 from the through grooves 16, then the connecting seat 5 is rotated, the limiting grooves 18 on the stop blocks 17 correspond to the limiting grooves 18 on the second clamping ring 3, the bolts 19 are inserted into the limiting grooves 18, the connecting seat 5 is fixed, when parts are damaged in the using process, the parts can be timely detached and replaced, and the replacing cost is saved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides an injection molding mold insert annular knurl bush, includes overcoat (1), its characterized in that: the bottom end of the outer sleeve (1) is provided with a first clamping ring (2), the top end of the outer sleeve (1) is provided with a second clamping ring (3), the first clamping ring (2) and the second clamping ring (3) are identical in specification and size, a top end center of the second clamping ring (3) is fixedly provided with a jacking pipe (4), the bottom end of the jacking pipe (4) is fixedly provided with a connecting seat (5), an inner sleeve (6) is arranged inside the outer sleeve (1), a first connecting groove (7) is formed in the outer surface of the first clamping ring (2), a second connecting groove (8) is formed in the outer side, located at the first connecting groove (7), of the outer surface of the first clamping ring (2), a first connecting pipe (9) is fixedly arranged at the top end of the first clamping ring (2), a second connecting pipe (10) is fixedly arranged at the outer side, located at the first connecting pipe (9), of the top end of the first clamping ring (2), a plurality of knurl stripes (11) have been seted up to the surface of overcoat (1), a plurality of through-hole (12) have been seted up to the surface of endotheca (6), overcoat (1) all adopt the plastic material with endotheca (6), the surface of first connecting pipe (9) and second connecting pipe (10) all is provided with the screw thread.

2. The injection mold insert knurled bushing according to claim 1, wherein: the connecting seat (5) is embedded in the second clamping ring (3), and the connecting seat (5) is matched with the second clamping ring (3).

3. The injection mold insert knurled bushing according to claim 1, wherein: both sides fixed mounting of connecting seat (5) has dog (17), logical groove (16) have been seted up to the inner wall both sides of second snap ring (3), dog (17) and logical groove (16) phase-match.

4. The injection mold insert knurled bushing according to claim 3, wherein: an inner groove (15) is formed in the inner wall of the second clamping ring (3) and located below the through groove (16), the bottom end of the through groove (16) is communicated with the inner groove (15), and the stop block (17) is connected with the inner groove (15) in a sliding mode.

5. The injection mold insert knurled bushing according to claim 4, wherein: limiting groove (18) have all been seted up with the surface of second snap ring (3) in dog (17), bolt (19) have been inserted to the inside of limiting groove (18), the top of bolt (19) is seted up flutedly, the inner wall of recess is provided with the screw thread, the one end and the limiting groove (18) phase-match of bolt (19).

6. The injection mold insert knurled bushing according to claim 1, wherein: the upper end and the lower end of the outer sleeve (1) are fixedly provided with first connecting rings (13), and one ends of the first connecting rings (13) are matched with the first connecting grooves (7).

7. The injection mold insert knurled bushing according to claim 1, wherein: and the upper end and the lower end of the inner sleeve (6) are fixedly provided with a second connecting ring (14), and the bottom end of the second connecting ring (14) is matched with the second connecting groove (8).

8. The injection mold insert knurled bushing according to claim 1, wherein: the first connecting pipe (9) is in threaded connection with the bottom end of the inner sleeve (6), and the second connecting pipe (10) is in threaded connection with the bottom end of the outer sleeve (1).